VDI Verlag eLibrary

International Conference on Gears 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2294 2017

Results in this title

P. Garambois, E. Rigaud, J. Perret-Liaudet Robust optimization of gear macro and micro-geometries in order to minimize static transmission error and gear stiffness fluctuations S. 927-938

„… Robust optimization of gear macro and micro-geometries in order to minimize static transmission …” „… . Introduction The objective of this paper is to present a multi-objective robust optimization method that …” „… method for the multi-objective optimization of gear macro and microgeometry parameters in order to …”

E. Erkilic, Z. Burcay Optimizing tooth proportions to improve topland Saribay balance in aerospace bevel gears S. 447-456

„… multi-objective optimization problem with their robust counterparts. In all of these studies, main focus of …” „… . Harianto, «Robust Optimization of Cylindrical Gear Tooth Surface Modifications Within Ranges of Torque and …” „… corners on tooth flanks after case hardening. While many studies are present on optimization of gear …”

J. Fechler, M. Böhm, S. Aberle, V. Merz A contribution to the NVH behavior of plastic gears in automotive applications S. 1531-1540

„… element simulation model is the basis of this optimization. It was initially developed to understand the …” „… acoustic, i.e. a lower TE, and a mechanical robust design at the same time. Figure 4 shows the percentage …” „… the nominal load. Very often the acoustic optimization of a gear set has its biggest effect in a …”

A. Şorea, F. Buus Bendixen Reluctance magnetic gear – Magnetic gears, no longer toothless S. 615-622

„… a more reliable and robust system. 1. Introduction Ever since their invention by C.G. Armstrong …” „… magnetic gears (Fig. 6), the reluctance gear is a mechanically robust construction. This statement being …” „… showing a picture of the stand SWOT Helpful Harmful Internal Strength: Robust mechanical design Only …”

A. Carbonelli, J.-Y. Guerder Computing and minimizing the whining noise – Application to a bogie gearbox S. 517-526

„… amplification coincidences with exciting frequencies. On the other hand, a robust optimization of the teeth …” „… modifications in order to reduce the radiated noise. The optimization of tooth modifications in simple mesh …” „… deflection can be inserted into the optimization algorithm in order to anticipate it. 5. Conclusion The …”

Titelei/Inhaltsverzeichnis S. I-XXVII

„… Transmission Error P. Garambois, Robust optimization of gear macro and micro-geometries 927 E. Rigaud, in …” „… reduction of the noise excitation without load capacity loss – Optimization of complex systems capable of …” „… micro-spur-gears H. Takahashi P. Tenberge, Influential criteria on the optimization of a gearbox, with 253 D …”

T. Nagumo, M. Ishizuka, Y. Satou, S. Matsumura, H. Houjoh Estimation of loaded static transmission error using vibration measurement under operating conditions in a two-stage helical gear reducer S. 857-868

„… Harianto, J.: Robust optimization of cylindrical gear tooth surface modifications within ranges of torque …” „… of stiffness of gears, bearings, etc. and damping evaluated by parameter optimization using …” „… vibration measurement result. By repeating this process using an optimization method, the relative tooth …”

J. Langhart, I. Zotos, G. Franzoso Casing stiffness variations and influence on the gear meshing properties S. 1161-1168

„… recent years the influence of casing deformation became one focus of gear transmission optimization. A …” „… conclusion, it is found that for industrial gearboxes with robust casing designs, also the variations in FE …”

W. Wang, L. Han, Q. Yan, C. Xiang, Y. Li Research on the dynamic power split characteristics and the electric power coordinated control for a hybrid transmission system S. 131-142

„… base of the scheme selecting, parameter matching and the power distribution and optimization. For …” „… optimization, the speed and the split power characteristics of the researched two-mode EVT is proposed first …” „… , Yahui Zhang, Lipeng Zhang, Jian Song. Robust coordinated control for hybrid electric buswith …”

doi.org/10.51202/9783181022948

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Reactor network synthesis with guaranteed robust performance

Xiao Zhao

Series: Verfahrenstechnik

Volume 952 2017

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Titelei/Inhaltsverzeichnis S. I-XIV

„… , Mixed-integer nonlinear programming, Normal vector approach, Robust optimization In this work a systematic …” „… : Mixed-integer problem without uncertainty . . . . . . . . . 101 5.6.2 Step 2: Robust optimization problem …” „… network synthesis with guaranteed robust performance Reactor Network Synthesis With Guaranteed …”

Bibliography S. 158-176

„… . Lewis, and M. Overton. A robust gradient sampling algorithm for nonsmooth, nonconvex optimization. SIAM …” „… . Robust optimization of fixed points of nonlinear discrete time systems with uncertain parameters. SIAM …” „… Bibliography [148] V. Sakizlis, J. Perkins, and E. Pistikopoulos. Recent advances in optimization-based …”

Summary and outlook S. 133-140

„… is presented for open-loop and closed-loop reactor network design with guaranteed robust dynamic …” „… 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 …”

Introduction S. 1-16

„… method with numerical optimization. Superstructure approach. The superstructure approach for reactor …” „… optimization. Depending on the type of the resulting optimization problem, the approach can be classified into …” „… superstructure approach using static or dynamic optimization. The first presentation of the superstructure …”

Solution methods S. 60-106

„… called an uncertain or a robust optimization problem in applications, because variables x and y can be …” „… 5 Solution methods In previous chapters we derived two optimization problems, Eqs. (3.44) and (4.39 …” „… this chapter, we will first review each related classes of optimization problems and then propose a …”

Case study of allyl chloride production S. 107-132

„… network design with robust stability The open-loop reactor network synthesis problem (3.44) is solved in …” „… and the two-step solution method proposed in Section 5.6. Since we want to guarantee robust stability …” „… ) 108 6.1 Open-loop reactor network design with robust stability Table 6.2: Uncertain parameters for the …”

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

„… section, we first propose a robust eigenvalue constraint to ensure desired dynamic properties of the …” „… design for closed-loop reactor networks with guaranteed robust dynamic properties. Solution methods for …” „… this optimization problem will be treated in Section 5.6. 4.1 Modeling of reactor networks with …”

Open-loop reactor network synthesis S. 30-46

„… sufficiently large number of fully connected reactors. It is the objective of optimization to determine how …” „… formulating an optimization problem in the next section. 3.2 Problem formulation 3.2.1 Eigenvalue constraint …” „… reactors are idle). Hence, Eq. (3.33) is a well-defined constraint for numerical optimization, although, as …”

doi.org/10.51202/9783186952035

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Regelung elastisch gekoppelter Mehrmassensysteme

Matthias Joost

Series: Mess-, Steuerungs- und Regelungstechnik

Volume 1263 2018

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Literaturverzeichnis S. 170-177

„… 0-540-67179-X [2] PETER, KARSTEN: Robuste Regelung eines Zweimassensystems, Fortschritt- Berichte VDI Reihe 8 …” „… Bremen — ISBN 978-3-18- 512108-1 [3] ZHOU, KEMIN ; DOYLE, JOHN C. ; GLOVER, KEITH: Robust and optimal …” „… ; SCHÖLING, INGO ; ORLIK, BERND: Robust State-Feedback H∞- Control of a nonlinear two-mass System. In …”

doi.org/10.51202/9783186263087

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Robust Design Optimierung endlosfaserverstärkter Verbundbauteile

Markus Kellermeyer

Series: Konstruktionstechnik/Maschinenelemente

Volume 443 2018

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Literaturverzeichnis S. 135-146

„… Robust Design of Thick Laminated Composite Structure. Optimization and Engineering, Vol.1. 2000. [CR06 …” „… . 1999. [Jur07] Jurecka, F.: Robust Design Optimization Based on Metamodeling Techniques. Fakultät für …” „… Rooij, R.; Schoofs, A.; Rooda, J.: Simulation based optimization of stochastic systems with integer …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… robust design optimization is carried out where the layer stack is changed in such a way that predefined …” „… calibrated with experimental results of several parts. Finally a robust design optimization for a new load …” „… / Maschinenelemente Reihe 1 Robust Design Optimierung endlosfaserverstärkter Verbundbauteile Robust Design …”

doi.org/10.51202/9783186443014

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

Christian Redepenning

Series: Verfahrenstechnik

Volume 955 2018

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Recommendations for further research S. 143-156

„… . Alternatively, the pinch-based shortcut methods suggested in this work can allow for robust optimization-based …” „… possible. 6.2 Robust optimization-based design of rigorous models Rigorous models for separation columns …” „… , www.gams.com 146 6.2. Robust optimization-based design of rigorous models niques, where an upper bound needs to …”

Bibliography S. 173-198

„… . Düsseldorf: VDI. Kossack, S., Kraemer, K., & Marquardt, W. (2006). Efficient optimization-based design of …” „… Krämer, K. (2012). Optimization-based synthesis of hybrid separation processes. Volume 934 of …” „… ). Efficient optimization-based design of distillation processes for homogeneous azeotropic mixtures …”

Titelei/Inhaltsverzeichnis S. I-XII

„… techniques . . . . . . . . 144 6.2. Robust optimization-based design of rigorous models …” „… of multiple separation units, heat-integration as well as optimization of the operating point …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1.1.3. Optimization techniques . . . . . . . . . . . . . . . . . . . . . . 10 1.2. The pinch-based …”

Software S. 137-142

„… the shortcut methods. This shortcoming prior to this thesis probably prevented the robust integration …” „… , which is perfectly suited to parallellize the screening of process alternatives, or the optimization …” „… toolbox TOMLAB1, which provides several state-of-the art optimization algorithms, e.g., SNOPT, for …”

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

„… robust and automated manner is ultimately required (Adjiman et al., 2014; Ng et al., 2015). Accurate …” „… . Optimization techniques need to be employed, not only to determine the optimal operating point, but also to …” „… ) problems. MINLP optimization problems are already difficult to solve for a single solvent and therefore a …”

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

„… 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 …” „… robust calculations are desirable (Marquardt et al., 2008). To review existing techniques, the separation …”

doi.org/10.51202/9783186955036

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SIMVEC 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2407 2022

Results in this title

M. Denk, J. Mayer, S. Wartzack Fully Automated Reconstruction of Topology Optimization Results with Feature Transformation and Curve Skeletonization! S. 501-512

„… , 2022510[10] Y. Xia, M. Langelaar, und M. Hendriks, „Optimization-based three-dimensional strut-and-tie model …” „… Fully Automated Reconstruction of Topology Optimization Results with Feature Transformation and …” „… verschiedensten Modellen getestet. Abstract The results of a topology optimization are often available as …”

B. P. van de Weg, L. Greve, B. Rosic Surrogate modelling for finite element simulations Towards a stochastic surrogate approach S. 555-562

„… favouring weight optimization, it is shown using a structural application that an auto-adaptive recurrent …” „… optimization problems has strongly gained popularity in the automotive industry [1, 2, 3, 4]. The main reason …” „… optimization problem time consuming nonetheless. Stimulated by the architectural non-adaptability of these mean …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… , Regensburg f Simulation und OptimierungOptimization approach for powertrain dimensioning of fuel cell vehicle …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323M. Probst, W. Pohl, I. Phillips, CAIQ GmbH, MünchenData Analytics für die robuste Fahrzeugauslegung …” „… Automated Reconstruction of Topology Optimization Results with Feature Transformation and Curve …”

doi.org/10.51202/9783181024072

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wt Werkstattstechnik online

Browse Volumes: wt Werkstattstechnik online

wt Volume 103 (2013) Issue 10 ISSN Online: 1436-4980

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M. Liewald, T. Schiemann, C. Mletzko Regelung von (Kalt-)Massivumformprozessen* S. 764-769

„… robusten Umformprozessen gesprochen [1]. Ein Ansatz, um die Pro-zessrobustheit solcher Fertigungsprozesse …” „… entsprechender Aktoren auf den Um-formprozess regelnd einwirken können. Die Robustheit von Umformprozessen und …” „… Werkzeugkonzepten erhöht werden, ohne robuste Eingangsgrößenkombinationen anstreben zu müssen. Darü-ber hinaus …”

doi.org/10.37544/1436-4980-2013-10

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Toleranzanalyse und Toleranzsynthese abweichungsbehafteter Mechanismen

Michael Simon Josef Walter

Series: Konstruktionstechnik/Maschinenelemente

Volume 437 2016

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Literatur S. 193-236

„… Workbench – efficient, easy, and safe to use Robust Design Optimization (RDO). URL: http://www.ansys.com …” „… .; Wartzack, S.: Neural network based modeling and optimization of deep drawing – extrusion combined process …” „… . Journal of Intelligent Manufacturing Bd. 25 (2014) Nr. 1, S. 77–84. [Ban74] Bandler, J. W.: Optimization …”

doi.org/10.51202/9783186437013

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Technische Zuverlässigkeit 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2307 2017

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C. Hayer, S. Fiebig, T. Vietor, J. Sellschopp Robustheitsoptimierung innerhalb des Entwicklungsprozesses durch Integration von Fertigungstoleranzen in die Simulation S. 83-96

„… rechnergestützte Optimierungsmethoden eingesetzt. Dabei ist es wichtig, die Robustheit der so generierten Bauteile …” „… durch konstruktive Maßnahmen robuster gestaltet werden. Dies verursacht einen zusätzlichen Zeitaufwand …” „… das Bauteil durch Anpassungen der Toleranzbereiche robuster gestaltet. Die optimierte Tolerierung …”

A. Müller, M. Hinz, S. Bracke Auslegung von Zeitraffertests auf Basis numerischer Simulationen im Rahmen der Dentalimplantat-Erprobung S. 253-268

„… Testverfahren dient ausschließlich der Steigerung der Robustheit und Zuverlässigkeit des Bauteils. Dazu zählt …” „… . Hinz and S. Bracke: “Optimization of the dental implant testing based on FEM simulation of fatigue and …”

M. Stohrer, K. Lucan, B. Bertsche Planung eines Zuverlässigkeits-DoE im Spannungsfeld zwischen Test-Design und Erfolgswahrscheinlichkeit S. 269-280

„… Wert für EW ist danach ein Indiz für einen Versuchsplan, der robust gegenüber der Zufallsstreuung ist …” „… . Planning, analysis, and parameter design optimization. Wiley series in probability and statistics. New York …”

doi.org/10.51202/9783181023075

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Synchronisierung agentenbasierter dynamischer Systeme mittels strukturbeschränkter Regelungen

Jan Strubel

Series: Mess-, Steuerungs- und Regelungstechnik

Volume 1250 2016

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Literatur S. 156-168

„… http://coordinationbook.info. Princeton University Press, Princeton, 2009. [13] R. Byers und S. G. Nash. „Approaches to robust …” „… Applied Mechanics 77 (1955), S. 215–221. [23] G.-R. Duan. „Simple algorithm for robust pole assignment in …” „… : International Journal of Robust and Nonlinear Control 23.1 (2013), S. 48–66. [35] R. A. Horn und C. R. Johnson …”

Entwurf strukturbeschränkter Rückführungen S. 23-65

„… genutzt werden können, um gezielt Eigenschaften des geschlossenen Regelkreises hinsichtlich einer robusten …” „… Eigenstrukturvorgabe zu verbessern. Dies führt auf die robuste Eigenwertvorgabe. Darüber hinaus gelingt die Anwendung …” „… wird am Beispiel der robusten Entkopplungsregelung vorgestellt. 3.1 Parametrisches Entwurfsverfahren …”

doi.org/10.51202/9783186250087

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Optimierung in der Energiewirtschaft

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2303 2017

Results in this title

S. Kirschbaum, B. Bahl, A. Bardow Multifunktionale Modelle zur Optimierung von industriellen Energiesystemen – Dispatching, Backtesting und Design S. 97-104

„… ., Lampe, M., Bardow, A. 2017. ‘Robust multi-objective optimization for sustainable design of distributed …” „… Berücksichtigung von Unsicherheiten in den Eingangsdaten wurden Verfahren der robusten Optimierung umgesetzt. Diese …” „… Nebenbedingungen immer noch gut ist [12]. Die VDI-Berichte Nr. 2303, 2017100 Kopplung der robusten Optimierung mit …”

doi.org/10.51202/9783181023037

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Higher-Order Multiple Object Tracking

Roberto D. Henschel

Series: Informatik/ Kommunikation

Volume 875 2021

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Titelei/Inhaltsverzeichnis S. I-XVIII

„… Model – Global Optimization – Video – Sensor Fusion – Inertial Sensors This dissertation deals with …” „… research. However, they commonly represent NP-hard optimization problems so that their application in …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 2.5 Computational Complexity Theory . . . . . . . . . . . . . . . . . . . . 47 2.6 Optimization …”

Introduction S. 1-32

„… global optimization. Robust pairwise features combining visual and motion cues are presented, suitable …” „… be robust against these types of errors when assigning detections to identities which poses a …” „… works exploit this relation by formulating an optimization problem that simultaneously optimizes both …”

Conclusions S. 165-171

„… corresponding optimization problem is presented that is crucial to obtain near-optimal solutions. The second …” „… using a global optimization formulation. The fusion result is obtained from a weighted graph labeling …” „… optimization problem is formulated as a BQP. Since it is NP-hard, the computation of a solution is difficult. A …”

Fundamentals S. 33-79

„… and computer vision, especially discrete optimization, machine learning, and object detection. This …” „… neighborhood is aggregated in a pooling layer, a neural network becomes robust to certain translations. Pooling …” „… ) where [y = c] denotes the Iverson bracket. It is applied in Section 2.7.2.2 to train robust appearance …”

Bibliography S. 172-196

„… k-shortest paths optimization”. In: IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI …” „… , Wenguan Wang, Ling Shao, Haibin Ling, and Fatih Porikli. “Dynamical Hyperparameter Optimization via Deep …” „… Yang and Ram Nevatia. “Multi-target tracking by online learning of nonlinear motion patterns and robust …”

Lifted Disjoint Paths S. 130-164

„… higher-order consistencies while avoiding suboptimal choices during optimization. To this end, an extension to …” „… connectivity priors. We call the resulting optimization problem the lifted disjoint paths problem. It is shown …” „… practical global optimization, several classes of linear inequalities are proposed that produce a …”

HO-MOT with Signal Fusion S. 80-129

„… input-to-identity assignments across all signals. The underlying optimization problem is an NP-hard BQP. An …” „… optimization problem is to find the best labeling (see Figure 3.1). A probabilistic model is provided showing …” „… all times, even if a person is not localized in an image. This allows robust handling of issues such …”

doi.org/10.51202/9783186875105

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Autonomous Systems 2016

Herwig Unger (ed.), Wolfgang A. Halang (ed.)

Series: Informatik/ Kommunikation

Volume 848 2016

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Neural and Evolutionary Computing S. 133-166

„… following [1–10]: finite element solvers, preliminary steps for optimization, signal processing …” „… these cases, matrix inversion needs to be robust as well. When neurocomputing gets involved, these …” „… section will however highlight that these approaches are good but not perfectly robust or efficient …”

doi.org/10.51202/9783186848109

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International Conference on Gears 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2389 2022

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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

„… . Kahraman, and J. Harianto, “Robust Optimization of Cylindrical Gear Tooth Surface Modifications Within …” „… Gear design optimization for multi-mesh and multi-power flow transmissions under a broad torque …” „… aspect. Therefore, the development of a seamless gear design optimization software tool is crucial to …”

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

„… the other features should also be extended to reduce manufacturing costs. With the Robust Design …” „… robust products and stable processes in a closed loop via the Analyser® Streaming Server. To validate the …” „… and industries for all product safeguarding and process optimization. [1] European Patent Number 10 …”

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

„… : design and optimization A poorly thermally designed die will have a lasting influence on productivity …” „… optimization of the cooling system was carried out by applying FEM methods, using Ansys Workbench 2020 R1 (see …” „… Fig. 7: Defined conditions for casting mold part in the FEM model. The optimization was achieved by …”

doi.org/10.51202/9783181023891

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Fehlerrobuste Audiocodierung mit geringer Latenz

Stephan Preihs

Series: Informatik/ Kommunikation

Volume 854 2017

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Literaturverzeichnis S. 108-118

„… . Evolutionary optimization of an experimental apparatus. Applied Physics Letters (APL), 102(21):214105 …” „… ] D.E. Goldberg. Genetic Algorithms in Search, Optimization & Machine Learning. Addison-Wesley, 1989 …” „… Bundeswehr Hamburg, 2009. [HZ09] M. Holters and U. Zölzer. Automatic Parameter Optimization for a Perceptual …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… robust subband-ADPCM, filter bank design, dynamic bit-allocation, audio codec optimization. XIII …” „… Bit-Allokation, Audiocodec Optimierung. XII Abstract Error robust low delay audio coding has numerous …” „… results of the listening test. Due to the applied global parameter optimization, a PEAQ-evaluation of the …”

doi.org/10.51202/9783186854100

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