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Dritev – Drivetrain for Vehicles 2020

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2373 2020

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T. Korb, M. Nussbaumer, S. Rinderknecht Generic optimization environment and knowledge-based guided evolutionary algorithms for automated transmission calibration – Method to generate a knowledge base through impact analysis of parameters a... S. I-355-I-384

„… Generic optimization environment and knowledge-based guided evolutionary algorithms for automated …” „… taken as an output of this analysis. 3.1.3 Multi-criteria decision and ANN-based verification After …” „… optimization or sensitivity analysis there are three key elements needed: configuration, object, cost function …”

A. Esser, T. Eichenlaub, S. Rinderknecht Real-driving-based comparison of the eco-impact of powertrain concepts using a data-driven optimization environment S. I-309-I-342

„… optimization environment for the comparative analysis of the ecological potential of different powertrain …” „… of GHG emissions. In Section 2 of this work, the optimization framework for the comparative analysis …” „… Real-Driving-Based Comparison of the Eco-Impact of Powertrain Concepts using a Data-Driven …”

Titelei/Inhaltsverzeichnis S. I-I-I-X

„… optimization environment and knowledge-based guided evolutionary algorithms for automated transmission …” „… vehicle-gearboxes based on big-data-analysis and machine learning …” „… , Tokyo, Japan Cost efficient PHEV powertrain solution based on dedicated hybrid transmission – Cost …”

S. Rothe, B. Schröder, G. Lührs Coupled topology optimization of an electric drive S. II-75-II-88

„… taken into account and a variance-based optimization is performed resulting in a robust design. [8 …” „… optimization, based on a parametric CAD model, is used VDI-Berichte Nr. 2373, 202076 to determine the cavities …” „… .: Variance based Robust Optimization of a Permanent Magnet Synchronous Machine. IEEE Trans. Magn. 54 (2018 …”

D. Kieninger, J. Hemsen, G. Witham The highly integrated ModulED drive module – Holistic concept design S. I-27-I-44

„… selected for further analysis. Based on the gearing geometry, the gear forces and thus all shaft bearing …” „… the same direction. VDI-Berichte Nr. 2373, 202028 The inverter is based on gallium nitride (GaN …” „… based on vehicle requirements. This development approach and the resulting method will be presented in …”

M. Saborío, O. Sarmiento, C. Böhm High efficiency electric transmission oil pump – Transmission hydraulic efficiency improvement through hybridization S. I-149-I-158

„… temperature. Both effects are reflected in the volumetric efficiency. For the present analysis, an ideal pump …” „… efficiency of the components (pumps, electric motors, gear trains). The analysis showed also that the …” „… dimensioned based on hydraulic needs, and not only on the combustion engine speed. Dual Drive Pump The …”

B. Pohle, M. Clauß, J. R. Schwarz, E. Schwiederik, D. Lasuen Design optimization of battery systems by multiphysics simulation S. II-89-II-96

„… Design optimization of battery systems by multiphysics simulation B. Pohle1, D. Lasuen 2, M …” „… of the optimization takes place into the cell itself, using electrochemical simulation to define …” „… the design optimization of electrical connection inside and outside of the cell to reduce the power …”

C. Danzer, T. Voigt, A. Forell, M. Sens, E. Schreiterer, R. Kockisch, J. Müller, E. Schneider The systematic way to your sustainable powertrain platform – holistic and customizable – Systematical methods to investigate mobility scenarios of tomorrow S. I-385-I-402

„… their technical requirements and customer acceptance. Based on these mobility scenarios, IAV …” „… vehicle-specific powertrain variants form the basis for optimization on fleet level. Platform synthesis collates …” „… subjected to a fully combinational analysis. It is thus possible to assess how many powertrain types are …”

K. Kim New high efficiency CVT for middle class FWD vehicle S. I-271-I-284

„… recently developed, substantially enlarge the torque capacity based on the current Small-CVT(CF18 …” „… Packaging Condition To improve the packaging condition on vehicle, packaging analysis had been completed …” „… efficiency through optimization of capacity and minimized drive losses. The oil pump of CF28 is vane type …”

F. Völkel, M. Tietz, A. Schamin, S. Giehl Rolling into the future – Bearing solutions for electric mobility S. I-103-I-118

„… . 6: Typical damage (a-c: SCHAEFFLER damage analysis, d: [4]) The following section describes two …” „… VDI-Berichte Nr. 2373, 2020 113 achieved. Which bearing ring is to be insulated is determined based on the …” „… optimization. The integration minimizes the number of interfaces and reduces the tolerance chain, which makes …”

doi.org/10.51202/9783181023730

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Robust Design Optimierung endlosfaserverstärkter Verbundbauteile

Markus Kellermeyer

Reihe: Konstruktionstechnik/Maschinenelemente

Band 443 2018

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Literaturverzeichnis S. 135-146

„… Rooij, R.; Schoofs, A.; Rooda, J.: Simulation based optimization of stochastic systems with integer …” „… concept for reliability-based design optimization to nonsmooth and extreme cases. Structural and …” „… 7th AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis & Optimization, AIAA, St. Louis …”

doi.org/10.51202/9783186443014

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Learning-Based Inverse Dynamics for Human Motion Analysis

Petrissa Zell

Reihe: Informatik/ Kommunikation

Band 877 2022

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Introduction S. 1-14

„… recording of contact forces or tedious optimization.A computationally efficient and robust analysis of the …” „… demonstrating the diverseprospects of learning-based motion analysis. To implement this vision algorithms …” „… problems [22, 68, 82, 90, 93, 100, 149]. The remaining step to allowa fully learning-based analysis of the …”

Related work S. 15-22

„… context of human gait analysis,transfer learning based on pre-trained models is used, e. g. to support …” „… optimization are used for comparison with thelearning-based methods proposed in this work.Further related works …” „… for mobile learning-based inverse dynamics analysis. The authors propose a dependent Gaussian …”

Bibliography S. 130-152

„… , Rosa Pamies-Vila, and Javier Cuadrado. “Skeletal-level control-based forward dynamic analysis of …” „… optimization-based and other approaches.” In: Structural and Multidisciplinary Optimization42.1 (2010), pp. 1–23.[161 …” „… Marler, Jasbir S. Arora, and Karim Abdel-Malek.“Predictive dynamics: an optimization-based novel approach …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… Fortschritt-Berichte VDILearning-Based Inverse Dynamics for Human MotionAnalysisPetrissa Zell, M …” „… Human Motion AnalysisZell, Petrissa, M. Sc., Hannover NR. 877Institut für …” „… Dynamics for Human Motion AnalysisFortschritt-Berichte VDI, Reihe 10, Nr. 877. Düsseldorf: VDI Verlag …”

a Appendix S. 127-129

„… optimizationIn Chapter 5, the performance of the learning-based inverse dynamics methods is comparedto a …” „… AA P P E N D I Xa.1 evaluation based on additional metricsThis appendix lists additional results …” „… measured GRF.Similar to [85], principle component analysis is used to linearize the local parameterspace at …”

Human motion dataset S. 62-75

„… motion capture and kinematic optimizationIn marker-based motion capture, retro-reflective markers are …” „… GRF.Similar to the optimization method presented above, the learning-based approachesoperate on sliding …” „… 4H U M A N M O T I O N DATA S E TA learning-based approach to inverse dynamics of human motion …”

Conclusions S. 123-126

„… locomotion aredeveloped and compared. The suitability of the presented learning-based methods forsolving the …” „… of motion. Based on the quantitativeevaluation it can be concluded that regression methods like …” „… pure motion samples by means of self-supervisedlearning with differentiable physics-based loss layers …”

Supervised learning of inverse dynamics S. 76-94

„… motionrepresents the next natural step toward a complete learning-based analysis of humanmotion. As previously …” „… used to give a first indication of the evoking impairment. The conducted analysisis only based on the …” „… representation of an input motion, as illustrated inFigure 19. In contrast to traditional model-based approaches …”

Self-supervision by dynamics-based layers S. 95-122

„… self-supervised learning for inverse dynamics of human motion. Itis based on an earlier publication from which …” „… Dynamics Network: A neural network that predictscontrol coefficients based on motion coefficients, similar …” „… to the previous end-to-end ap-proaches, is extended by two physics-based loss layers, the forward …”

doi.org/10.51202/9783186877109

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Generic Topology Optimization Based on Local State Features

Nikola Aulig

Reihe: Rechnerunterstützte Verfahren

Band 468 2017

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Topology Optimization by Predicting Sensitivities S. 48-83

„… information. The approach utilizes a density-based formulation, but avoids a direct evolutionary optimization …” „… . The learning concept is either based on evolutionary optimization, proposed in Sec. 4.3 or supervised …” „… efficiency and generality, density-based methods are one of the most commonly applied topology optimization …”

Fundamentals S. 8-28

„… Density-based Topology Optimization 19 Start: Initial Design Structural Analysis Optimization Step Update Design …” „… field, and an overview of current methods. Section 2.2 elaborates density-based topology optimization …” „… test case with examples of optimizations. In contrast to the specialized, gradient-based topology …”

Structure Representations for Evolutionary Computation S. 29-47

„… contours of a level set function. Usually, gradient-based optimization is best suited to address the large …” „… finite element analysis, this is effectively an early example for addressing a topology optimization …” „… evolutionary computation and the gradient-based topology optimization methods introduced in Chap. 2. Based on …”

Bibliography S. 177-202

„… solid geometry based topology optimization using evolutionary algorithm. In Bansal, J. C., Singh, P. K …” „… ., Jouve, F., and Toader, A.-M. Structural optimization using sensitivity analysis and a level-set method …” „… design sensitivity analysis in structural optimization. AIAA journal, 17(9):970–974, 1979. [7] Auger, A …”

Introduction S. 1-7

„… replaces experience-based engineering practices. Many engineering problems can be addressed as optimization …” „… topology optimization algorithms are so-called gradient-based algorithms. When using mathematical gradients …” „… have lead to nature-inspired topology optimization methods that are based on simple rules; for instance …”

Titelei/Inhaltsverzeichnis S. I-XVIII

„… Reihe 20 Generic Topology Optimization Based on Local State Features Berichte aus dem Institut für …” „… Automatisierungstechnik und Mechatronik der TU Darmstadt Generic Topology Optimization Based on Local State Features …” „… 2017 D17 Darmstadt 2017 Fortschritt-Berichte VDI Generic Topology Optimization Based on Local State …”

Topology Optimization of Crashworthiness Objectives S. 121-149

„… optimization can be performed based on rigorously derived sensitivities. The thickness and/or presence of the …” „… the graph based topology optimization approach. It originates from the idea of combining shape …” „… level set methods [3, 125]. The idea of a graph-based topology optimization is one of the possible …”

Conclusions S. 150-154

„… 150 7 Conclusions 7.1 Main Results This thesis proposes topology optimization based on integration …” „… these topology optimization algorithms are performed based on a mathematical perspective, instead of a …” „… implicit, or gradient-based optimization steps do not suit to improve the design, TOPS can succeed with the …”

doi.org/10.51202/9783186468208

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Systematic and Optimization-Based Synthesis and Design of Chemical Processes

Sebastian Recker

Reihe: Verfahrenstechnik

Band 951 2017

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Conclusions and final thoughts S. 95-98

„… methods for the optimization-based process design by means of superstructure optimization. Marquardt et al …” „… . (2008) proposed a framework for an optimization-based design of hybrid separation processes, which …” „… framework of Marquardt et al. (2008) is extended towards the optimization-based design of …”

Bibliography S. 99-114

„… simulation-based optimization, AIChE Journal 60(6), 2211–2227. Cremaschi, S. (2015): A perspective on process …” „… Näherungsverfahren, Chemie Ingenieur Technik 79(10), 1601–1612. Krämer, K. (2012): Optimization-based Synthesis of …” „… , K., Kossack, S. and Marquardt, W. (2009): Efficient optimization-based design of distillation …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… computationally efficient in order to allow an optimization-based design and analysis of large-scale processes. As …” „… 3 Systematic and Optimization-Based Synthesis and Design of Chemical Processes Berichte aus der …” „… Verfahrenstechnik - Prozesstechnik RWTH Aachen University Systematic and Optimization-Based Synthesis and Design of …”

Introduction S. 1-10

„… models (ROMs)) can be trained by rigorous simulation for later use in simulation-based optimization …” „… practice. Systematic and optimization-based design approaches which facilitate the simultaneous …” „… systematic and optimization-based framework for the design of hybrid separation processes proposed by …”

A unifying framework for conceptual process design S. 11-54

„… more efficient processes has drawn attention towards the optimization-based design of …” „… gradient-based optimization algorithms in principle enable the solution of problems with thousands of equations …” „… , the VLE calculations are integrated into the equation-based optimization by means of an external …”

Systematic variant generation for catalytic processes S. 55-62

„… suitable process variants. Catalyst-based processes account for about 60% of chemicals production …” „… with the shortcut evaluation and rigorous optimization methodology presented in Chapter 2, this …” „… . Additionally, the kinetic models can be utilized for subsequent shortcut evaluation and rigorous optimization …”

Systematic design of a butadiene telomerization process S. 63-94

„… model-based experimental analysis strategy does not allow to consider reaction steps which occur outside the …” „… in Chapter 3 and the optimization-based evaluation methods presented in Chapter 2 are combined …” „… homogeneously catalyzed butadiene telomerization. The established homogenous catalyst is based 63 4 Systematic …”

doi.org/10.51202/9783186951038

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Pinch-based Methods for Absorption and Extraction Process and Solvent Screening

Christian Redepenning

Reihe: Verfahrenstechnik

Band 955 2018

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Bibliography S. 173-198

„… ., & Marquardt, W. (2012). Reaction network flux analysis: Optimization-based evaluation of reaction pathways for …” „… . (2002). Analysis of generalized pattern searches. SIAM Journal on Optimization, 13, 889–903. Austin, N …” „… ., Grossmann, I. E., & Miller, D. C. (2015). Simultaneous process optimization and heat integration based on …”

Introduction S. 1-20

„… process analysis, which starts based on the actual chemical plant, and the inverse design approach for …” „… heuristic rules for the identification of preliminary ideas up to complex optimization-based calculations …” „… . Examples are the simultaneous optimization-based design of reaction and separation processes (Recker …”

Software S. 137-142

„… pinch-based shortcut methods. The simple nature of pinch-based shortcut methods allows to develop tailored …” „… solution procedures to solve the pinch-based models without any a priori knowledge or the need of trial and …” „… of this work are highlighted. The prototypes separation analysis, rectification shortcut, extraction …”

Recommendations for further research S. 143-156

„… , alternative solution procedures based on global optimization techniques are discussed. Rigorous models for …” „… . Alternatively, the pinch-based shortcut methods suggested in this work can allow for robust optimization-based …” „… three components. Appropriate optimization-based problem formulations for mixtures with more than three …”

Titelei/Inhaltsverzeichnis S. I-XII

„… . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.1.3. Optimization techniques . . . . . . . . . . . . . . . . . . . . . . 10 1.2. The pinch-based …” „… . . . . . . . . . . . . . . . . . . . . 97 4.1.5. Optimization of pinch-based processes . . . . . . . . . . . . . . 97 4.1.6. Flowsheet …” „… techniques . . . . . . . . 144 6.2. Robust optimization-based design of rigorous models …”

Pinch-based solvent screening for absorption and extraction processes S. 90-136

„… evaluation Flowsheet evaluation by pinch-based methods Process optimization Cost-optimal process …” „… solvent selection (Zhou et al., 2015) or accomplished by model-based experimental analysis (MEXA, Bonvin …” „… cooling cost, which usually depend on the relevant temperature level. 4.1.5 Optimization of pinch-based …”

Pinch-based shortcut method for the design of adiabatic absorption columns S. 21-58

„… Chapter 2 Pinch-based shortcut method for the design of adiabatic absorption columns Absorption …” „… absorption process. Superstructure optimization, where a mixed-integer non-linear programming (MINLP) problem …” „… challenging to solve efficiently and reliably with today’s optimization algorithms (Amaran et al., 2014 …”

Appendix S. 158-172

„… methods which are not based on pinch points in terms of accuracy. Even though the proposed shortcut model …” „… extraction columns perfectly complement with existing pinch-based methods for rectification columns and heat …” „… integration. The combination of pinch-based methods ultimately allows for the comprehensive evaluation of …”

doi.org/10.51202/9783186955036

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International Conference on Gears 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2389 2022

Treffer in den folgenden Teilen:

N. Hessinger, M. Braunstingl, H. Bansal Advanced use of DOE in gear geometry optimization S. 281-286

„… boundaries for the optimization process. Based on this trade-off analysis for both drive and coast load …” „… stiffness data, which is then used to set up a contact analysis based on the Winkler mattress model, similar …” „… Advanced Use of DOE in Gear Geometry Optimization Quality and robustness improvement of …”

E. Lamaj, J. Blomeke, F. Rudolph, J. Hermes A comprehensive, fully parametrized calculation model for improved helical-hypoid gearbox efficiency S. 825-836

„… analysis, the design of new gear-boxes is based on the obvious variation of bearing sizes, distances and …” „… Digital Twin Model Optimizations An automated toolchain based on input and output variables and an …” „… Swarm Optimizer (PSO) can be used for optimizations. PSO in Optislang is a swarm intelligence based …”

P. Rodel, R. Spieler, M. Indenbirken, T. Nuisl Holistic friction optimization of transmissions – a significant contribution for sustainability S. 731-744

„… Holistic friction optimization of transmissions A significant contribution for sustainability …” „… are faced with new challenges. The topic friction optimization gains higher importance during …” „… required. The only means to achieve cost and time efficient holistic friction optimization is the usage of …”

D. Park, A. Rezayat, Y. Gwen Gear design optimization for multi-mesh and multi-power flow transmissions under a broad torque range incorporated with multibody simulations S. 849-862

„… analysisPlot and save resultsRun durability module• Static & fatigue analysis• Mesh efficiency• Flash …” „… for gear and bearing contact analysisRun postprocessor• Calculate weighted average TE peak-to-peak …” „… Gear design optimization for multi-mesh and multi-power flow transmissions under a broad torque …”

X. Zheng, Y. Hu FE analysis and predication on the traveling wave – resonance of aero-gears S. 915-926

„… (driving gear), while the torque applied to the pinion (driven gear). In this paper, the analysis is based …” „… FE Analysis and Predication on the Traveling Wave Resonance of Aero-Gears Xingyuan Zheng, Prof …” „… agreements. Based on predictions on gear dynamics, a damping-ring design methodology is proposed to reduce …”

A. Beinstingel, M. Heider, B. Pinnekamp, S. Marburg Gear mesh excitation and non-uniform rational B-splines S. 91-102

„… transmission based on the Isogeometric Analysis (IGA) [4] is described in detail in [5]. This paper …” „… strength analysis aside the optimization process of acoustically demanded toothing designs is easily …” „… hybrid analytical-numerical method based on isogeometric analysis for determination of time varying gear …”

P. Barreiro, S. Pfrimmer, G. Armutcu, J. Hermes Quality improvement of an aluminum gearbox housing by implementing additive manufacturing S. 1429-1446

„… Figure 7). The simulation was based only on a static structural analysis. Neither the influence of …” „… hardened steel dies with the desired shape, are very high. Based on one particular gearbox housing, the …” „… was developed. Afterwards, an FEM analysis was carried out to check the die’s integrity during the …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… , GermanyPreflight Lx3 am August 23, 2022 | 08:38:21 | 148 mm x 210 mm f Loaded tooth contact analysisDesign …” „… 561 M. Weigand, C. Gachot, TU Wien, Vienna, Austria f FEM analysisDynamic modeling and accuracy …” „… Science and Engineering, Technical University of Dresden, GermanyInnovative tooth contact analysis with …”

M. Furst, J. Gotz, M. Otto, K. Stahl Automation of gearbox design S. 787-802

„… practice. Design optimization usually is achieved through an iterative and time-consuming process of …” „… analyzing and tuning towards an optimization objective. In this paper a time-saving, automated and …” „… mixed integer nonlinear optimization problem results from the interdependence between these distinct …”

T.-T. Mac, D. Iba, Y. Matsushita, S. Mukai, T. Inoue, A. Fukushima, N. Miura, T. Iizuka, A. Masuda, I. Moriwaki Application of genetic algorithms for parameters identification in a developing smart gear system S. 239-252

„… monitoring system. Based on a derived return loss function, the GA method helps selecting the most suitable …” „… optimization process. Once the value of MSE becomes minimum, the best fitting of these two data is obtained …” „… topic like based on acoustic emission, vibrational data, strain gauge, and so on, Utagawa Masahiro [1 …”

T. Konig, M. Kley, F. Wagner, M. Liebschner Enhanced damage classification on transmissions by generating synthetic data with Generative Adversarial Networks (GAN) S. 227-238

„… classification than, for example, a simple parameter analysis.VDI-Berichte Nr. 2389, 20222304. Signal …” „… pre-processed via appropriate signal analysis techniques, in this case the spectral kurtosis. It is shown that …” „… signals are learned by the algorithms, based on the real and existing data set, to replicate the signal …”

F. Muller, S. Schumann, B. Schlecht Innovative tooth contact analysis with non-uniform rational b-spline surfaces S. 171-184

„… Innovative tooth contact analysis with non-uniform rational b-spline surfaces Dipl.-Ing. Felix …” „… the tooth contact analysis (TCA) of bevel, hypoid, beveloid and spur gears. The gear geometry is …” „… major focus in the development of gear boxes is the optimization of the gears. The aim is to increase …”

T. Matsumura, K. Mioki, M. Kada, R. Okuizumi, A. Pogačnik Improved calculation methodology for the prediction of tooth temperature of plastic gears S. 1237-1248

„… parameters based on theory and experiments. Some examinations have been done to improve the accuracy [2], but …” „… static operation (z54/z54) 2.3 FEM analysis 2.3.1 Dynamic operation The mesh model of the gear pair …” „… was created by modeling the actual geometry based on CAD file of the solid gear generated by KISSsoft …”

F. Eigner, S. Heinrich, M. Berger An approach on contact analysis for micro geometry optimization of the gear unit HypoGear S. 943-950

„… An approach on contact analysis for micro geometry optimization of the gear unit HypoGear Florian …” „… are set in rotation, in order to create a vector field of the sliding velocity. Based on a starting …” „… pattern is based on a geometric method that is used to estimate the qualitative contact area. The …”

P. H. O. Teixeira, J. Brimmers, T. Bergs Consideration of micro-interaction in the modeling of generating gear grinding processes S. 1517-1528

„… curve peaks in each of the profile lines extracted from the tool topography analysis. Based on a …” „… based on an analysis of all the curve peaks of each profile line within the grain body. Because each …” „… V 84-30. The analysis of the tool topography was performed based on the procedure developed in Phase …”

N. Tros, J. Brimmers, T. Bergs Approach for multiscale modeling the thermomechanical tool load in gear hobbing S. 1489-1502

„… . Based on this, the temperature distribution on the rake face is calculated. 1 Introduction Gear hobbing …” „… forces are calculated based on the uncut chip thickness from the penetration calculation and empirical …” „… ]. For a detailed analysis of the thermomechanical load in the gear hobbing process, Finite Ele-ment …”

J.-A. Meis, M. Walkowiak Influence of case hardness depth on tooth interior fatigue fracture S. 863-874

„… analysis are supplied. Optimizations of the tooth root are also in the scope of this method. Fig. 3 …” „… based on the flank fracture assessment concept presented in [1] and is comparable to the model of …” „… fatigue fracture is based on Murakami’s equations [4] for the effect of non-metallic inclusions on the …”

A. Hessler, B. Neubauer NVH-performance versus Costs – Coherent R&D for gears, system and manufacturing S. 103-118

„… parameters that are decided to be modified for the acoustic optimization. 4.2.3 ANN-analysis The number of …” „… / gears can be generated. Based on this, a detailed analysis for the influence from the individual …” „… ". Setting up virtual gearboxes based on real measured gearboxes, therefore a process analysis of gear …”

F. Thurner Light into the black box: using AI software to identify unknown mechanisms of action and resolve acoustic/NVH problems – practical example of a passenger car powertrain S. 779-786

„… . VDI-Berichte Nr. 2389, 2022 779 Procedure: From measurability to new design 1. Basic analysis by means of …” „… path analysis with / without order analysis or at neighbouring positions to a suspension point to the …” „… dynamometer or an operational vibration shape analysis also help to determine the best positions for airborne …”

A. Hilligardt, J. Klose, V. Schulze A new method for avoiding meshing interference in gear skiving S. 1305-1318

„… analysis [4]. The kinematics of the gear skiving process are based on crossed helical gears [8] and can be …” „… determine whether a fast analytical approach based on a detailed analysis of the generating gear with …” „… consuming CAD-simulation. In contrast, this paper presents an automated geometrical model for the analysis …”

P. Roth, M. Hein, K. Stahl Scuffing load capacity calculation of worm gears S. 811-824

„… calculation Based on the presented regression analysis, formulas are derived within in this paper. These new …” „… local frictional loading due to the contact. Based on the results of this simulation, this paper derives …” „… . The simulation considers the local loads and calculates the local heat flux strain ? ?,? based on the …”

F. Donner, T. Scheu, M. Weigand Dynamic simulation of a rotor system with variable speed S. 985-994

„… ). The project is based on the results of „VARI-SPEED“ and the direct follow-up project. VARI-SPEED …” „… mass minima for Architecture 2. Based on these findings, a dynamic simulation model is now to be …” „… simulation. It will later also be used for detailed calculation and optimization of the transmission …”

K. Yanagisawa, A. Weinmann Weight and cost reduction potentials with high performance polymers for gears S. 1019-1032

„… . The automotive industry does not stand still. Improvements in vehicle safety, optimization of design …” „… polyamide-based engineering plastic developed from unique mon-omers. This thermoplastic resin is a well-balanced …” „… of the parts, followed by 3. DIGIMAT in use for the material property analysis, and finally 4. ANSYS …”

G. Hlebanja, M. Hriberšek, M. Erjavec, S. Kulovec Influence of the tooth flank shape on wear for a steel-POM gar pair S. 1295-1304

„… rig Testing results presented in this paper are based on experiments performed on two small testing …” „… calibrated based on laser measurement of shaft deformations with prescribed excitation frequency differences …” „… between both inverters. Based on shaft torsional deformation, torque, which is controlled based on current …”

X. Tian, L. Zhou, J. Han, L. Xia Research on tooth flank twist compensation of continuous generating grinding gear based on flexible electronic gearbox S. 1005-1018

„… meshing and stress analysis[J]. Computer methods in applied mechanics and engineering, 2003, 192(33-34 …” „… Research on tooth flank twist compensation of continuous generating grinding gear based on flexible …” „… crowning lead modified helical gears. A twist compensation method based on flexible electronic gearbox is …”

F. Reinle, D. Mangherini, E. Morgano, A. Bongiovanni Combining improved gear efficiency and improved fatigue performance through mass finishing S. 609-620

„… the company OTEC and is based on a rotating container filled with media in which a workpiece is …” „… flank 800 x 1600 µm, 20 x, polarized / before (l.), after (r.) The media was an Al2O3 based granulate …” „… validated by several previous investigations regarding root strength improvements based on the same material …”

P. I. Pedrero, D. Martinez–Lopez, M. Pleguezuelos, J. Calvo–Irisarri, M. B. Sanchez, A. Fernandez–Sison Minimum friction losses in wind turbine gearboxes S. 715-730

„… gear ratio and high power-density required by the wind turbine, gearboxes based on planetary gear sets …” „… , a new optimization method of the mechanical losses in wind turbine gearboxes, regarding the design …” „… the analysis, for example, the output radius of the sun. The output radius of the planet will be given …”

A. Spatzig, N. Fujimura, P. de Oliveira Teixeira Practical analysis of productivity of grinding tools in the process of internal generating gear grinding S. 1319-1330

„… Practical analysis of productivity of grinding tools in the process of internal generating gear …” „… provide sun and planetary gears has undergone many iterations of optimization, the ring gear was left out …” „… analysis to find corundum wheels that can achieve acceptable tool life for mass production with more …”

J. Vorgerd, P. Tenberge, M. Joop Scuffing of cylindrical gears with pitch line velocities up to 100 m/s S. 903-914

„… analysis of the scuffed flanks showed a different morphology in respect to the pitch line velocity. Based …” „… damage location and the surface condition. Based on the experimental results, a simulation approach with …” „… , but the experimental data at high pitch line velocities is based on a small number of tests …”

S. Oberle, V. Labriola, E. Melnikov, G. Gariglio High performance plastic gear solution in the engine environment S. 1033-1044

„… toothing optimization design. Without taking into deep accounts these aspects and their mutual interactions …” „… development process about how to replace metal gears with plastic ones. Therefore optimization studies …” „… each material, based on actual stress type and level. The unreinforced-plastic ring gear shows very …”

D. Mevissen, L. Uhlmann, U. Kupper, J. Brimmers, T. Bergs Analysis of friction of bowl-shaped surface structures resulting from alternative gear manufacturing processes S. 1371-1382

„… conditions for evaluating the friction coefficient and the possibility for a deeper analysis of wear and …” „… a precise comparison of the initial state and the state after the test run. Analysis of Friction …” „… ]. In the past, surface topography was investigated as an optimization parameter for friction reduction …”

K. Fukanoki, K. Matsuo, Y. Suzuki, K. Fujiki Practical application of asymmetric tooth root geometry for downsizing automotive transmission gears S. 197-214

„… breakage. By applying the modified Miner’s rule, the target number of load cycles is defined based on the …” „… . Equation (1) was derived as an expression based on gears having a symmetric tooth root radius of curvature …” „… for the coasting-side tooth flank. The gear tooth root radius of curvature is determined based on the …”

B. Legrady, M. Taesch, G. Tschirschnitz, C. F. Mieth Prediction of churning losses in an industrial gear box with spiral bevel gears using the smoothed particle hydrodynamic method S. 651-664

„… loss optimization as well. Using this tool in a cloud-based environment leverages the potential of SPH …” „… experiments [13]. The investigations of the last decades are based on traditional CFD approaches that utilize …” „… a grid-based Eulerian technique. These methods are established but have to cope with major …”

F. Lagier, A. Bischofberger, K. Bause, S. Ott Suitability of additive manufactured PEEK gears as a means of gear sampling for automotive high-speed gearboxes S. 1045-1060

„… low torque. Further reduction of weight and power consumption can be achieved by optimization of the …” „… analysis and discuss which parameters could lead to the performance difference in the two test samples …” „… while operating the gears. Fig. 4: Spectral domain analysis of motor speed when operating with PEEK …”

doi.org/10.51202/9783181023891

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Reactor network synthesis with guaranteed robust performance

Xiao Zhao

Reihe: Verfahrenstechnik

Band 952 2017

Treffer in den folgenden Teilen:

Bibliography S. 158-176

„… , J. Schlöder, and O. von Stryk. Introduction to model based optimization of chemical processes on …” „… . Oldenburg. Logic-Based Modeling and Optimization of Discrete-Continuous Dynamic Systems. PhD thesis, RWTH …” „… Bibliography [148] V. Sakizlis, J. Perkins, and E. Pistikopoulos. Recent advances in optimization-based …”

Introduction S. 1-16

„… the reactors is postulated first. Based on the usage of numerical optimization tools, an optimal …” „… structure, is important for the analysis and the synthesis of eigenvalue-based dynamic properties of the …” „… integer variables. This trick also plays a central role in the eigenvalue-based analysis of the derived …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… , Mixed-integer nonlinear programming, Normal vector approach, Robust optimization In this work a systematic …” „… model-based approach for reactor network synthesis problem with guaranteed robust dynamic performance will be …” „… presented. The work is based on the superstructure approach and aims to find an optimal process flowsheet …”

Solution methods S. 60-106

„… ., algorithms based on interval analysis [18] and algorithms based on relaxing the right hand side [115]. For …” „… algorithm based on interval analysis [18]. An algorithm based on interval analysis Bhattacharjee et al. [18 …” „… that since smooth optimization techniques (both, local and global algorithms) are based on the …”

Summary and outlook S. 133-140

„… design degrees of freedom, which are determined by solving a single optimization problem. The method has …” „… also subject to optimization. The obtained dynamic model for closed-loop design can therefore determine …” „… presented in this work, in particular to the analysis of the eigenvalue constraints for reactor network …”

Simultaneous design of reactor network and its decentralized control system S. 47-59

„… optimization method more efficiently, compared to the integer-based formulations proposed in [124]. This …” „… this optimization problem will be treated in Section 5.6. 4.1 Modeling of reactor networks with …” „… the integer-based formulation proposed in [124] for control structure design. The authors formulate …”

Open-loop reactor network synthesis S. 30-46

„… throughout this chapter to facilitate the eigenvalue-based analysis and problem reformulation below. We …” „… eigenvalue-based dynamic properties for the design of open-loop reactor networks. A structured modeling approach …” „… sufficiently large number of fully connected reactors. It is the objective of optimization to determine how …”

doi.org/10.51202/9783186952035

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SIMVEC – Simulation und Erprobung in der Fahrzeugentwicklung

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2333 2018

Treffer in den folgenden Teilen:

S. Luthardt, L. Fredriksson, V. Leconte, Patrick Lombard, A. Dyer E-Motor Design using Multi-Physics Optimization S. 359-380

„… . Fig. 3: Execution of a Multi-Disciplinary Study in time If metamodel-based optimization is chosen …” „… DOE based optimization is clearly the ability to use the data to answer a large number of different …” „… E-Motor Design using Multi-Physics Optimization Sven Luthardt, Dr. Ing. h.c. F. Porsche AG …”

E. Papoutsis, M. Hojjat, K.-U. Bletzinger Geometric constraints for node-based shape optimization of car body parts S. 75-92

„… Geometric constraints for node-based shape optimization of car body parts Dipl.-Ing. Efthymios …” „… node-based shape optimization technique named Vertex Morphing ([5]) and the successful application on …” „… constraints were enforced for a node-based shape optimization method. Minimal thickness control for robust …”

R. Fuger, M. Hanke An integrated Workflow for the Simulation-Driven Development of Electric Motors and Generators – Design and Optimisation of Electric Drives S. 381-388

„… electric machines including fast preliminary investigation, detailed analysis of components, examination of …” „… analysis of all components and coupled simulations allows to investigate and optimize the preliminary …” „… analysis. Fig. 2: Workflow for simulation-driven electric machine development. 2. Preliminary …”

T. Scholz, M. Hellwig, F. Pautzke Algorithm for Parameter Identification of Lithium-Ion Batteries S. 389-398

„… ), which are based on the Thévenin theorem offer a decent representation of the electric behavior at …” „… parameterization of lithium-ion cell models based on the data of a standardized test routine. The method extracts …” „… simulative analysis of operational behavior. Further, they are used in battery management systems (BMS) for …”

M. Stokmaier, R. Niemeier, D. Bachinski Pinhal Design- und Kennfeldoptimierung von elektrischen Motoren mit Hilfe von Metamodellen S. 435-456

„… .: Sensitivity analysis using the Metamodel of Optimal Prognosis, 8th Optimization and Stochastic Days, Weimar …” „… 5 (1986) S. 485-500 [10] Methods for multi-disciplinary optimization and robustness analysis …” „… domain reduction scheme for simulation-based optimization. Engineering Computations 19-4 (2002) S …”

M. Peperhowe, S. Bannenberg, R. Rasche Smart Testing of Intelligent Systems S. 731-748

„… process by the means of simulation. However, the well-known and established method of requirements-based …” „… approaches, such as scenario-based testing. A scenario in the context of highly automated driving mainly …” „… reliable coverage of relevant traffic situations. Mathematical algorithms, based on test result histories …”

J. Wimmer, P. Stopp Einbindung eines pradiktiven Elektro-Chemischen Batteriemodells in ein virtuelles E-Fahrzeug S. 399-414

„… use of physics-based battery models allows the simulation of the cell to be done well beyond the …” „… parameters with vehicle performance and energy management analysis. 1. Introduction System-level vehicle …” „… to be defined. Physics-based electrochemical models of Lithium-ion batteries are not often used in …”

C. Diez Analyse von Crash Simulationen mit Hilfsmitteln der kunstlichen Intelligenz S. 1-16

„… Thole C.-A.: Data analysis for parallel car-crash simulation results and model optimization, Simulation …” „… Ähnlichkeitsanalyse, VDI Reports 2279, 2016 [5] Iza-Teran, R. and Garcke, J.: Operator Based Multi-Scale Analysis of …” „… al. Big-Data based rule-finding for analysis of crash simulations, 12th World Congress of Structural …”

M. Bruschetta, D. Minen Assisted and Autonomous Driving on Driving Simulators – Advanced features to make Dynamic Driving Simulators suitable for studies on Assisted and Autonomous Driving S. 671-684

„… coordinated thanks to a coupled model; 2) the usage of an optimization based controller allows to have an …” „… virtual environment. Advanced Multi-Sensory Motion Cueing Algorithm based on Nonlinear Model Predictive …” „… analysis. To this aim, an advanced biotelemetry device is used to collect driver’s Heart Rate Variability …”

Johann Heinrich Knowledge Discovery in Databases (KDD) in der virtuellen Produktentwicklung – Entscheidungsfindungsprozess auf Grundlage von Erkenntnissen aus grosen Datensatzen S. 39-46

„… the key factors of product optimization and gaining insights of your system behaviour. The …” „… into knowledge rely on manual analysis and interpretation. For applications in virtual vehicle …” „… . The following image shows the steps described above (based on Fayyad (1996)). VDI-Berichte Nr. 2333 …”

D. Dorribo Development of mechanism-based models for resistance spot weld failure simulation of multi-material advanced high strength steel sheets S. 585-606

„… Development of mechanism-based models for resistance spot weld failure simulation of …” „… models are fitted based on large experimental campaigns, considering all the main factors that have the …” „… energetic fracture criterion based on the use of elastic-plastic fracturemechanics well suited for the …”

doi.org/10.51202/9783181023334

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Method for Non-Invasive Skin Artifact-Free Spatial Bone Motion Tracking Using Pressure Sensor Foils

Nikolas Bufe

Reihe: Biotechnik/Medizintechnik

Band 296 2019

Treffer in den folgenden Teilen:

3Dpose estimation based on the ellipsoid-approximated bone model S. 23-27

„… analysis For sensitivity analysis, a simulation of bone pose estimation using the optimization cost …” „… optimization process, i = 1, . . . , 3. 3.3 Sensitivity analysis 27 0 2000 4000 6000 8000 10000 data points 0 …” „… : Sensitivity analysis of the optimization cost function without (left) and with (right) feasibility term di …”

Titelei/Inhaltsverzeichnis S. I-X

„… solution approach, an optimization cost function is proposed allowing bone pose tracking that is …” „… state of the art model based tracking techniques. Finally, the general approach is extended to …” „… A. Kecskeméthy. Position analysis of a planar rigid-body tracked by three ellipse pressure points …”

Introduction S. 1-8

„… subject concerned to an absolute minimum. Currently, marker-based motion capture systems are mostly used …” „… by using a marker-based motion capture system allowing to determine the absolute coordinates of each …” „… of those based on ionized radiation such as X-rays (authors stating that X-rays are invasive [55, 68 …”

Validations S. 32-58

„… . Marker-based motion capture system The motion capture system Motion Analysis was used to collect marker …” „… experienced that instrumental errors cannot generally be quantified based on the knowledge of those system …” „… based on the ellipsoid-approximated bone model using dual fluoroscopy. The concept of this validation is …”

Bibliography S. 75-84

„… of soft tissue artefacts in skin marker-based motion analysis? An in vivo study of knee kinematics …” „… . Nelissen, and E. R. Valstar. Marker configuration model-based Roentgen fluoroscopic analysis. Journal of …” „… analysis using wearable acceleration and gyro sensors based on quaternion calculations. Sensors …”

doi.org/10.51202/9783186296177

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Reaction Network Generation and Evaluation for the Design of Biofuel Value Chains

Juan José Wilhelm Victoria Villeda

Reihe: Verfahrenstechnik

Band 950 2017

Treffer in den folgenden Teilen:

Network evaluation strategy S. 77-94

„… 5 Network evaluation strategy It was mentioned in Section 1.2 that an optimization-based evaluation …” „… optimization-based evaluation technique and subsequently the novel approach that also assesses the network topology …” „… and the integration of waste streams. 77 5 Network evaluation strategy 5.1 Optimization-based network …”

Bibliography S. 170-186

„… . (2012b). Reaction network flux analysis: Optimization-based evaluation of reaction pathways for …” „… . T. (2013). An optimization-based assessment framework for biomass-to-fuel conversion strategies …” „… ). Comparison of network-based pathway analysis methods. Trends in biotechnology, 22(8):400–405. Post, W. M …”

Titelei/Inhaltsverzeichnis S. I-XVIII

„… evaluation – Optimization-based analysis – Elementary mode analysis – Network topology analysis The present …” „… decomposed into elementary nodes, non-further decomposable sequences of reactions. Optimization-based …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 5 Network evaluation strategy 77 5.1 Optimization-based network evaluation …”

Introduction S. 1-10

„… approach that joins combinatorial assessment of elementary modes with optimization-based pathway analysis …” „… pathways. An optimization-based formulation identifies the optimal combination of elementary modes subject …” „… . based on land-use change (Kim et al., 2009) and additional secondary effects due to water consumption …”

Case studies S. 95-127

„… most important reactions in the network were identified based on elementary mode analysis; these …” „… hemicellulose. Several approaches propose to make material use of lignin by producing lignin-based carbon fibers …” „… was identified as platform chemical by Werpy et al. (2004) based upon the rich amount of contained …”

Appendices S. 132-169

„… Lange (2001) derived criteria to evaluate the investment costs (IC) of the process, based on the …” „… Equation (E.8). Since the equation was derived from investments based on the year 1993, they are updated to …” „… criteria Voll and Marquardt (2012a) proposed an adoption of the Eco-Efficiency Analysis (EEA) of Saling et …”

doi.org/10.51202/9783186950031

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ELIV-MarketPlace 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2405 2022

Treffer in den folgenden Teilen:

A. Ropers Virtual E/E Test Platform – co-exploration, optimization and validation of ECU architecture and software in the context of the car S. 9-18

„… designo Apply data-driven verification of system requirementso Trade-off analysis and optimization …” „… & SW-driven verification of system requirementsTrade-off analysis and optimizationQuickly analyze KPIs …” „… analysiso Multicore HW-SW partitioning – joint optimization of application and architectureo Interconnect …”

S. Alexander Real-time, Context-aware E-Mobility Services to Optimize Commercial Transportation Ecosystem – Optimized Battery Electric Fleet Operations: Maximize utilization, Minimize electricity costs, Simplify o... S. 381-394

„… clusterMulti-objective optimizations with context-sensitive constraintsVDI-Berichte Nr. 2405, 2022 389| 13Model-based AI …” „… distances and then determining based on electric vehicle manufacturer supplied range of vehicle …” „… Charging Capex – Caused by overbuilding charging infrastructure based on uncertain electricity charging …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… Based Systems – From AI Test Principles to T est Optimization …” „… Platform – co-exploration, optimization and validation of ECU architecture and software in the context of …” „… � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 9 A. Ropers, Synopsys Inc., AachenEvent Chain Analysis as a Key Competency: Efficient Development of …”

U. Bodenhausen Comprehensive Test Strategy for AI Based Systems – From AI Test Principles to T est Optimization S. 265-282

„… Comprehensive Test Strategy for AI Based Systems From AI Test Principles to Test Optimization Dr …” „… improvement of AI based systems, the testing of AI based systems needs an extension of existing best practices …” „… to improve the evidence that an AI based system is compliant with the requirements: 1. Independence …”

S. Poledna, L. Antonia Zaza Bringing together major stakeholders to shape the future of autonomous operation. Can this also be done for the offhighway industry? S. 447-460

„… platform domains by 20302USD billion84Source: (1) McKinsey analysis: Automotive software and electronics …” „… 2030 Company analysis;(2) Forbes: Autonomous Vehicles And Their Impact On The Economy of the top 10 …” „… Release nVDI-Berichte Nr. 2405, 2022450open platform-based automotive ecosystem• Innovation cycles not …”

T. Zipper Wireless Services in Next Generation E/E Architectures S. 181-188

„… architecture development process is based on methods and selected toolchains starting from user-stories …” „… . Ideally an independent partner with strong automotive experience, who can offer tailored services based on …” „… / Zones etc.ElectrificationNewly added functionality with strong need for optimizations.ADAS / Automated …”

M. Dargel, L. Bublitz Lessons learned from current developments of highly automated driving functions (SAE Level 3 and 4) and derivation of future success factors S. 69-78

„… be based on an objective core competence analysisSupplier & PartnerHYPOTHESIS“Identify core …” „… deployment by task forces is an option for a single event, but not for an overall “process optimization …”

doi.org/10.51202/9783181024058

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International Conference on Gears 2019

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2355 2019

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P. L. Yin, J. H. Wang, C. X. Lu Digital twin of gear measuring center (dtgmc) S. 1521-1532

„… is the quasi-static geometric error of measuring machine. Based on the systematic analysis of the …” „… comprehensive analysis and optimization of measurement strategies, and the identification and separation methods …” „… based on DTGMC 3.3 Optimization of measurement strategy Using the computational experiments of DTGMC …”

J. Brimmers, M. Willecke, C. Lopenhaus, C. Brecher Investigation of the potential of using surrogate models in the gear design process S. 727-740

„… data points are then simulated with the help of the FE-based tooth contact analysis ZAKO3D (TCA) in …” „… used to minimize the approximated objective value with optimization techniques (e.g. gradient-based …” „… advances in surrogate-based optimization. Prog. Aerosp. Sci. 45(1-3):50–79. doi:10.1016/j.paerosci …”

B. Schlecht, T. Schulze Improved tooth contact analysis by using virtual gear twins – How helpful is AI for finding best gear design? S. 203-216

„… distribution analysis software, a design expert could come to equally good results with simple means. 1 …” „… immense advantages with the Improved tooth contact analysis by using virtual gear twins How helpful is AI …” „… optimization of tooth flank. 2. Possibility of digital gear twins Previously, the use of the digital twin …”

Z. Zhan, H. Liu, C. Xiang, Q. Yan, H. Li, W. Wei, L. Xu Study of lateral and torsional vibration distribution of two-stage planetary gears based on vibration energy theory S. 1245-1252

„… analysis for planetary gear system based on vibration energy theory can effectively compare the lateral …” „… optimization of vehicle transmission based on lateral-torsional coupled nonlinear dynamic model. In Proceedings …” „… Study of Lateral and Torsional Vibration Distribution of Two-stage Planetary Gears Based on …”

Titelei/Inhaltsverzeichnis S. I-XXVI

„… of S-N curves for pitting based on local damage analysis …” „… micropitting formed on particle-based parkerized gears 69 R. Saito, K. Matsuo, Hardware System …” „… , INSA Lyon, LabECAM, Université de Lyon, France Power loss analysis of different high-power density …”

N. Yildirim, M. Yasar, E. Yildirim, F. Erdogan, B. Karatas Experimental verification of improvements in static and fatigue bending capacity of spur gear tooth via tooth root design optimization S. 959-972

„… tooth via tooth root design optimization Prof. Nihat Yildirim, Gaziantep University, Gaziantep …” „… element analysis tools. Next, the same gear pair design is optimized with application of asymmetric …” „… tooth root and analyzed by using the finite element analysis tools. Maximum principal tensile stresses …”

C. Brecher, C. Lopenhaus, F. Goergen Transfer of the tooth flank stress into an analogy test concept to provoke the damage pattern tooth flank fracture (TFF) S. 25-36

„… analogy test. The aim of this work is a method for the optimization of the pulsator load sequences in …” „… optimization of the pulsator load sequences in order to generate an equivalent local stress condition between …” „… the pulsator load optimization, the optimal positioning of the primary actuator for inducing an …”

C. Natali, A. Rezayat, D. Park, P. Jiranek, T. Tamarozzi Analysis of manufacturing variability on the transmission error of an internal gear pair using a multibody framework S. 1099-1110

„… formulations to high fidelity FE-based methodologies [5] -[11] . The choice of numerical analysis tools highly …” „… planetary gear stages based on a dynamic approach and the FE-based tooth contact analysis. International VDI …” „… Analysis of manufacturing variability on the transmission error of an internal gear pair using a …”

P. Scholzen, C. Lopenhaus, C. Brecher, D. Billenstein, F. Rieg, G. Hammerl Investigation of the influence of elastic gear body structures on the operational behavior of gears S. 785-796

„… the gear body stiffness of complex geometries into the FE-based tooth contact analysis and the …” „… hexahedral mesh of the teeth. The load definition comes from the FE-based tooth contact analysis and the …” „… and can be evaluated with an FE-based tooth contact analysis. The calculation method allows to …”

P. Barreiro, J. Hoffmeister, J. Hermes, A. Bronner New improvement opportunities through applying topology optimization combined with 3D printing to the construction of gearbox housings S. 1823-1834

„… New improvement opportunities through applying topology optimization combined with 3D printing to …” „… topology optimization consisted on the determination and design of the primary load-bearing structure of …” „… structure. An FEM analysis was performed to check and improve safety and weight after each loop. During the …”

F. Concli, L. Maccioni, C. Gorla Power loss analysis of different high-power density gearbox typologies: CFD analysis and experimental measurements on a cycloidal gear set S. 101-114

„… , no. 12, pp. 65–69, 2015. [32] R. Imin and M. Geni, “Stress analysis of gear meshing impact based on …” „… Power loss analysis of different high-power density gearbox typologies: CFD analysis and …” „… increasing thanks to the growing demand of automatic systems. The selection of the best architecture is based …”

G. Vasileiou, N. Rogkas, V. Spitas, P. Zalimidis Optimisation of spur gear tooth fillet for maximum bending strength using Bezier curves S. 149-160

„… tested using finite element analysis (FEA) while assuming that the loading occurs at their highest point …” „… radius of the root circle and simultaneously should not cross any of the other tooth curves. Based on …” „… ] respectively (in non-dimensional values). 4. Finite element analysis The effect of the Bezier-Bernstein …”

F. Rudolph, S. Schumann, B. Schlecht Consideration of solid particles in a gear lapping simulation S. 1675-1686

„… carried out by single, highly experienced employees. The first step towards the objective optimization …” „… of lapping programs is the replacement of lapping experiments by a simulation. Based on a highly …” „… efficient tooth contact analysis and a VDI-Berichte Nr. 2355, 2019 1675 widely used wear approach, such a …”

V. I. Goldfarb, E. S. Trubachev, K. V. Bogdanov, T. A. Pushkareva Prospects of manufacturing spiroid gears with small gear ratios S. 1665-1674

„… methods of analysis and the production technique are proposed basing on application of multi-thread hobs …” „… analysis and production and application areas. In particular, the range of implemented gear ratios i in …” „… gearwheel machining Our new developed approach to analysis of machine-tool setting parameters for spiroid …”

S. Detzel, Y. S. Krieger, M. F. Traeger, T. C. Lueth Design of gear surface models for 3D-printing of plastic gears S. 1401-1410

„… presented in [2]. Powder-based AM technologies such as selective laser sintering (SLS) allow a huge freedom …” „… primitives and their modifications, as well as optimization algorithms [10], specialized and functional …” „… detailed statistical analysis, the purpose of the test was to get an estimate for the root bearing …”

Y. Hawwari, J. Touzet, H. Andre, H. I. Cakar, I. Khelf, L. Alloin Ring gear tooth cracks detected using instantaneous angular speed: wind turbine application S. 1039-1052

„… wear debris in the oil analysis. Firstly, this work aimed at the optimization of the vibration …” „… methods such as vibration [1] and oil analysis [2]. However, as it will be presented in the first part of …” „… the temporal analysis of the vibration signal, it is less adapted to planetary gearboxes which …”

Y. Cai, L. Yao, J. Ding, S. Ouyang, J. Zhang Analysis of dynamic transmission error for nutation drive with double circular arc gears under assembly errors and different loads S. 343-354

„… , G. Liu, et al. Quasi-static analysis based on generalized loaded static transmission error and …” „… , 2019 353 [10] H. P. Wu, L. Liu. Transmission error analysis of novel torus-involute gears based on …” „… Analysis of dynamic transmission error for nutation drive with double circular arc gears under …”

P. H. O. Teixeira, C. Lopenhaus, C. Brecher, T. Bergs Discretization of the contact conditions considering the grain engagement for generating gear grinding S. 1739-1748

„… , which might cause thermal damages. To avoid the generation of these damages, an analysis of the …” „… the process, a detailed analysis of the resulting energy conversion is recommended. The energy …” „… based on empirical relationships. In addition, due to the random and irregular engagement between …”

K. Takaki, M. Sugimoto Optimization of hypoid gear macro/micro geometries for high efficiency drives, taking into consideration NVH and strength S. 367-378

„… Optimization of hypoid gear macro/micro geometries for high efficiency drives, taking into …” „… loss, strength, vibration and noise. This paper describes the optimization of hypoid gear macro and …” „… calculating hypoid gear friction loss. With this equation, transmission efficiency can be calculated based on …”

B. Karpuschewski, T. Lierse, S. Schulze Inline-deep rolling – a new approach to increase tooth root load capacity S. 1787-1798

„… increases and CO2 emissions rise in the area of fuel-based drive systems, which is offset by restrictive …” „… is necessary to raise the tooth root load capacity. Based on this objective a tool system was …” „… strength of 10 % over the ground surface condition. The main reason for this unexpectedly low optimization …”

K. Smrczkova Wear resistant plastics – Bespoke plastic compounds for plastic gears S. 1345-1356

„… optimized wear and sliding friction, based on different thermoplastics (e.g. PA, POM, PBT, PC, PPS) with …” „… coefficient of static friction [ME3]is higher than coefficient of sliding friction: µH ≥ µ 4. Optimization …” „… applied additive for bear and friction optimization is molybdenum disulphide (MoS2). MoS2 is a natural …”

X. Yang, N. Yue, Q. Yang, L. Wang, Y. Shao, H. Xiong Dynamic simulation for double input compound power-split mechanism of in-wheel motor driven EVs S. 481-492

„… kinematics analysis of double input compound power-split mechanism (DICPSM) were implemented based on the …” „… offer dependents for the experiment research of DICPSM. 2. Configuration Scheme Analysis and …” „… Structure of DICPSM 2.1 Configuration Scheme Analysis of DICPSM Some Motors can achieve the higher …”

T. Kleiber DIN Q6 meets DIN Q10 – Need for modern internal gear production S. 415-424

„… analysis. By using raw data of the double flank inspection for a post processing transferring time based …” „… signals into frequency based deviation analysis on each part, it is easy to distinguish poor and good …” „… improved by optimizing the machinig process, e.g. tool optimization, proper machine type and machine …”

E. Maier, T. Lohner, K. Stahl, P. Sperka, M. Hartl Detailed analyses of film thickness and friction in thermoplastic EHL contacts S. 1391-1400

„… based on white light interferometry are compared to detailed thermo-EHL (TEHL) simulations …” „… ]. Similarly, estimations for the coefficient of friction were developed based on the isoviscous assumption [6 …” „… that is used for noise-vibration-harshness optimization but remains disregarded in tribological …”

A. Weis, T. Deliktas, M. Liewald, N. Missal Cold forging of gear components by a modified Samanta process S. 1765-1776

„… manufacturing toothed components based on the conventional Samanta process. The newly developed die design of …” „… method was developed. The fundamental concept of the new method is based on two enhancements, which are …” „… forming to involute toothing. The geometry of the preform contour is very important in the optimization …”

D. Mevissen, C. Lopenhaus, T. Bergs Calculation of mixed friction conditions in large-scale rolling-sliding contacts for different surface structures S. 555-568

„… new solving algorithm for the micro contact calculation based on elastic half-space theory according …” „… procedure is based on submodels. In existing calculation approaches, the results of each submodel on the …” „… as flow factors or solid contact pressure curves [3, 4]. The micro contact calculation based on …”

T. Sturmlinger, A. Comak, A. Albers, S. Gerdhenrichs, R. H. Schmitt Methodical analysis and selection of auto identification systems in the gear box manufacturing S. 1509-1520

„… potentials in digitalisation. Based on these potentials, the BMW Group intends to increase its …” „… technology were pre-selected as promising opportunities. This selection is based on a comparison of …” „… separated into process and product related functionality in a tabular form. Based on previous findings, the …”

J. Zhang, J. Wang Dynamic modeling and analysis of a star-wheel reducer S. 741-752

„… . Based on the established dynamic model, a modal analysis is carried out to reveal the modal …” „… Dynamic Modeling and Analysis of a Star-wheel Reducer Prof. J. Zhang, J. Wang, School of …” „… . Huang et al. [8] analyzed the natural frequencies and modal shapes of planetary gear apparatus based on …”

A. Pogačnik, U. Kissling Layout of profile modifications for symmetric and asymmetric plastic gears S. 1461-1472

„… loaded tooth contact analysis (LTCA), which allows the users to analyse the contact during a meshing …” „… transmission optimization is discussed. NVH can be improved in different ways; for instance, selecting an …” „… contact analysis (LTCA), which allows the users to analyse the contact during a meshing cycle step by …”

B. Karpuschewski, D. Sackmann, M. Kochig, M. Beutner, F. Welzel Potentials and limits of gear hobbing with cooling lubricants S. 1591-1602

„… results about the profitability of wet hobbing. The potential for optimization in wet hobbing remains …” „… tools consisted of powder-metallurgically manufactured high speed steel with an aluminium-chromium based …” „… density inside the machine a special transmitted-light-based device was developed, see Fig. 4. Fig …”

D. Marino, H. Binz, M. Bachmann Analytical design method for beveloid gears with a small shaft angle and offset S. 391-402

„… position. Most analysis and optimization tools for gearings particularly require these main gearing data as …” „… gearing data based on strengthrelated aspects and mounting space. The geometric characteristics of …” „… skewed axis arrangements are based on kinematic cone surfaces, whereby both cones are in contact with an …”

T. Fukuda, M. Nakagawa, T. Hirogaki, E. Aoyama Investigation of transient response motion of differential planetary gear train during reverse rotation and starting by using high-speed camera monitoring S. 331-342

„… , camera frame rate, and error elimination [2]. Thus, the accuracy of the analysis could be ensured; these …” „… optimizations were adapted to the present study and direct observation of the 2K-HV PGT was achieved using a …” „… driving conditions of the PGT can be divided into special and general conditions based on Eq. (4), as …”

J. Han, Y. Zhu, X. Tian, L. Xia A method of tooth longitudinal modification for internal gearing power honing S. 1725-1738

„… ] proposed a method of tooth surface topography modification based on multi-axis linkage control for …” „… a tooth surface distortion correction technology based on five-axis forming grinding machine. The …” „… function of on-line measurement. From the above analysis, it can be seen that many gear modification …”

J. Fechler, S. Oberle, M. Knopfle, V. Merz Improvement of the noise and vibration behavior of an electromechanical brake booster – An integral approach S. 1431-1442

„… acoustical optimization of the system has therefore to follow a holistic approach and investigate all the …” „… . Definition of measurement setup and analysis procedure 4. Measurement, analysis and conclusion Fig. 3 …” „… standalone iBooster system. This means that all test and analysis are carried out on the test bench and not …”

H. Baour, P. Falbriard Micro skiving – (r)evolution of a known production process S. 1619-1634

„… small module. Constraints related analysis will be made based on the time, cost and quality for each …” „… : Tilt angles optimization (Ai) Different carbide grades or other materials Coating on the cutter …”

T. Pinel, J. Bruyere, P.Velex, L. Billet Parametric Study of a 3D trochoidal reducer model with involute profile S. 437-448

„… approach of cycloid profile optimization considering on cinematic behaviour. FEM quasi-static models were …” „… model The reducer model is based on the study of different part of the reducer. The rigid body state …” „… at each time-step of the simulation. 3. Quasi-static and Dynamic analysis a. Validation of the …”

F. Lubos, Z. Roth Bionic tooth root: fatigue testing and potential on gear units S. 47-56

„… combinations the optimization occurs with the help of an in-house software program, which is iteratively based …” „… themselves naturally, for example to wind loads and growth. On this basis, the professor for damage analysis …” „… upon the Finite Element Method. The optimization of the parameters can be achieved with a heuristic …”

B. Brodmann, H. Bodschwinna Scattered light measurement on worm gears with high efficiency requirements S. 1567-1578

„… of the surface, based on the scattered light parameter Aq, from the angular distribution of the …” „… the stylus method have disadvantages in the detection of lateral characteristics [6], the analysis is …” „… . Scattered light method according to VDA2009 In addition to the coordinate-based methods such as profile …”

P. Lopez Garcia, S. Crispel, T. Verstraten, E. Saerens, B. Vanderborght, D. Lefeber Wolfrom gearboxes for lightweight, human-centered robotics S. 753-764

„… Wolfrom- based gearboxes possess the potential to gain terrain in this new setting. This research is …” „… Planetengetriebe, catalog, Wittenstein, 2018 [19] He, S., Sun, H.; et al: Modeling and dynamic analysis of …” „… Planetenrädergetrieben. Werkstattstechnik, Vol. VI, 1912 [31] Kapelevich, A.: High Gear Ratio Epicyclic Drives Analysis …”

doi.org/10.51202/9783181023556

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Skin Model Shapes: A new Paradigm for the Tolerance Analysis and the Geometrical Variations Modelling in Mechanical Engineering

Benjamin Schleich

Reihe: Konstruktionstechnik/Maschinenelemente

Band 438 2017

Treffer in den folgenden Teilen:

A comprehensive Framework for the Computer-Aided Tolerance Analysis based on Skin Model Shapes S. 85-156

„… 5 Framework for the Tolerance Analysis based on Skin Model Shapes 85 5 A comprehensive Framework …” „… for the Computer-Aided Tolerance Analysis based on Skin Model Shapes 7e concept of Skin Model Shapes …” „… are dedicated to providing a comprehensive tolerance analysis theory based on the concept of Skin …”

Context and State of the Art S. 5-62

„… Cause Analysis Process Optimization Tolerance Analysis and Variation Simulation; Tolerance and Variation …” „… 03], which is based on the application of assembly graphs, propagation chains, and risk analysis …” „… activities. Among these different tasks, the tolerance analysis is a key activity, since it aims at assessing …”

Bibliography S. 199-238

„… .; and Zhou, Y. Time-Based Competition in Multistage Manufacturing: Stream-of-Variation Analysis (SOVA …” „… statistical tolerance analysis based on quantified constraint satisfaction problems and Monte Carlo simulation …” „… — Computer-Based Analysis. CIRP Annals - Manufacturing Technology, 35(1):7 – 10, 1986. [FG13] Feldhusen, J. and …”

Application and Benchmark of the Tolerance Analysis Approach based on Skin Model Shapes S. 163-191

„… based on Skin Model Shapes As it has been highlighted, tolerance analysis is a main issue in the …” „… . 7us, the framework for the tolerance analysis based on Skin Model Shapes is applied to multiple …” „… , Table 7.1 (c) shows the theoretical values and the results of the tolerance analysis based on Skin Model …”

The Concept of Skin Model Shapes as a new Paradigm for the Modelling of Geometrical Variations S. 67-84

„… Shapes by employing these approaches is based on the procedure of the Statistical Shape Analysis and …” „… obtained from skeleton models. Furthermore, a tolerance analysis framework based on Skin Model Shapes …” „… tolerancing decisions are highly based on tolerance analysis results, the application of a Skin Model Shape …”

doi.org/10.51202/9783186438010

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A Runtime Adaptation Concept to reinforce Versatility in Industrial Automation

Haitham Elfahaam

Reihe: Mess-, Steuerungs- und Regelungstechnik

Band 1267 2018

Treffer in den folgenden Teilen:

Bibliography S. 110-118

„… Alexander Fay. Analysis of potential instabilities in agent-based smart grid control systems. In IECON …” „… Jazdi, Peter Göhner, and Ramin Yousefifar. Knowledge-based planning and adaptation of industrial …” „… , and Karl-Heinz Wehking. Flexible agent-based planning and adaptation of material handling systems. In …”

State of the Art S. 6-22

„… application-level rather than virtual machine-based operating system-level support to virtualize. A distinct …” „… a repository (Docker cloud). In the optimization domain, Docker utilizes a consensus algorithm …” „… (field level) or to control software adaptation (control level) or at the optimizations strategies …”

Titelei/Inhaltsverzeichnis S. I-XII

„… optimizations. Moreover, performance enhancements analysis is conducted through investigating the automation …” „… Distribution Algorithms . . . . . . . . . . . . . . . . . . . . . 15 2.7.2 Multi-Core Processing Analysis …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2.9 Market-based Multi-Agent-System Approach . . . . . . . . . . . . . . . . . 20 2.10 Agents …”

Runtime Adaptation Concept S. 23-36

„… imposed by hardware or software, the logic is based on heuristic optimizations and algorithms that can …” „… Engineering systems • Deployer system (Executor) • Redeployment management/optimization system The function …” „… as a tool to perform load balancing on and resource optimization to the computation nodes. In the …”

Methodology Investigation - Analytical Approach - Linear Model S. 40-54

„… throughout time. The Optimization for the load exchange can be performed centrally which results in computing …” „… optimum load transfer parameters. The optimization can be performed with different criteria, e.g …” „… stability and the analysis of the different algorithms, an objective has to be defined. Since the objective …”

Methodology Investigation - Empirical Approach - Non-Linear Model S. 55-64

„… mathematical analysis of load distribution is presented that can ensure the stability as well as enhance the …” „… performance. However, this analysis lacks many realistic aspects of the available algorithms for different …” „… the load transfer coefficients are time variant. The optimization is performed decentrally since each …”

doi.org/10.51202/9783186267085

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