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DRITEV – Drivetrain for Vehicles 2021

VDI-Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2381 2021

Treffer in den folgenden Teilen:

B. Krüger, G. Filomeno, D. Dennin, P. Tenberge Holistic Design of All-Wheel Drive Electric Powertrains Using a Multi-Objective Optimization Algorithm S. 377-394

„… Algorithm A Simultaneous Optimization of Technical and Economic Objectives M.Sc. Bastian Krüger, M.Sc …” „… multi-objective optimization algorithm is applied. This allows the identification of Pareto optimal solutions …” „… framework, he employs a pre-defined library of EM efficiency maps. The optimization algorithm identifies …”

M. Giannantonio, S. Henzler, S. Rinderknecht Advanced Design of Dedicated Hybrid Drivetrains S. 77-100

„… flows using optimization algorithms striving for the most beneficial design in a resource-optimized …” „… ) the SO L V E R layer featuring one or more distinct solving algorithms (e.g. an optimization approach …” „… 297.05 mm 4 .2.1 O ne-sh ot optim ization appr oach One obvious approach using optimization algorithms …”

D. Lechleitner, M. Hofstetter, M. Hirz, C. Gsenger, K. Huber Parking Lock Integration for Electric Axle Drives by Multi-Objective Design Optimization S. 303-318

„… calculating the system properties, the optimization algorithm – following the concept of differential …” „… parameters are defined as additional optimization parameters for the optimization algorithm. Moreover …” „… optimization algorithm is valid or not. In case clashes are identified, the design variant is considered …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… Holistic Design of All-Wheel Drive Electric Powertrains Using a Multi-Objective Optimization Algorithm …” „… Integration for Electric Axle Drives by Multi-Objective Design Optimization� � � � 303 D. Lechleitner, M …” „… Multi-Objective Optimization Driveability optimization of electrified powertrains utilizing machine learning based …”

M. Dilzer BorgWarner P2 Modules – from HV to 48V S. 35-46

„… optimization of the electrical drive system BorgWarner has developed a best fit inverter solution. The …” „… application of mature SW and Control algorithms. P2 48V Hybrid Building Blocks – The PES (Permanently …” „… that need to be identified as opportunities and subject for optimization. This is where a systematic …”

X. Zhang, F. Küçükay Driveability optimization of electrified powertrains utilizing machine learning based control and the interaction with ADAS/AD systems S. 361-376

„… Driveability optimization of electrified powertrains utilizing machine learning based control and …” „… improve the effectiveness of active driveability optimization, efforts are being made to link powertrain …” „… enable proactive driveability optimization. 1 Introduction Nowadays, hybrid vehicles and electric …”

J. Shutty, A. Moser, D. Gajowski Analysis of propulsion system architectures across vehicle segments and markets S. 23-34

„… in the past. It is used throughout our organization to support the design and optimization of …” „… in Figure 2. Fig. 2: Portion of diagnostics output Other Controller and design optimization …” „… are performed while varying the control parameters. Optimization methods are used, such as genetic …”

N. Scharlach Possibilities of a modern Powertrainmanagement S. 719-XIX

„… creativity to simplify complex algorithms to get them running on the ECUs, modern automotive µCs performance …” „… main drivers: - cost optimization by minimizing the ECU number - scalability of the EE architecture …” „… Strategic Layer defines the vehicles behaviour. There are allocated higher level predictive algorithms …”

A. Albers, M. Behrendt, J. Köber, T. Breitinger Development of a method for the automated validation of the shift quality of modern dual clutch transmissions on full-vehicle test benches S. 399-414

„… required for measurement to generate the test data for model parameterization and optimization, Albers et …” „… this optimization approach can reduce the required validation time by 80% [18]. However, it is not …” „… time optimization has an influence on the shift quality. Situation Analysis, Motivation and …”

Z. Caba, M. Zafer, C. Harman, G. Hellenbroich, Ö. Eyigöz Multi-speed e-axle for electrified heavy commercial vehicles S. 609-620

„… are: 10% energy saving by hybridisation of the truck with smart control algorithms Using HVO …” „… . Load distribution between electric motors was considered during the optimization, including fully …”

G. Gao, D. Schöneberger, S. Rinderknecht Development of an innovative and modular test bench to analyse gear shifts in electrified powertrains S. 415-436

„… . In addition to the model-based development and optimization of powertrains or its components …” „… 4.2 Algorithm for precise angle synchronization In the Speed4E case, not only the speed is …” „… environment to analyze and further develop this particular shifting control algorithm at an earlier …”

G. Herbillon Performances Validation of an electrically-commanded dog clutch system for multi-speed and disconnectable eDrives S. 255-274

„… secondary axle with disconnection clutch for efficiency optimization. As all types of losses are tracked …” „… the setpoint is reached with sufficient accuracy before the algorithm proceeds to the next steps …” „… . ‐ once an action is started, no change in target possible anymore until algorithm end. ‐ Furthermore …”

doi.org/10.51202/9783181023815

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International Conference on Gears 2023

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2422 2023

Treffer in den folgenden Teilen:

B.-S. Kim, D. Im, J.-H. Park, W.-J. Chung, Y.-J. Park Development of Optimal Design Program for Macro-Geometry of Planetary Gear Set using Multi-Objective Optimization Algorithm S. 1181-1194

„… Multi-Objective Optimization AlgorithmBeom-Soo Kim, Dongu Im, Jung-Ho Park, Woo-Jin Chung, Young-Jun Park, Seoul …” „… Genetic Algorithm III (NSGA-III) is generally used in the field of multi-objective optimization of gear …” „… macro-geometry design. In this study, various multi-objective optimization algorithms such as NSGA-III, knee …”

J.-H. Park, B.-S. Kim, D. Im, D.-J. Moon, J.-H. Kim, Y.-J. Park Development of Damage-based Accelerated Life Test Code for Gearbox using Genetic Algorithm S. 329-340

„… number of cycles to failure under 2.3 Optimization setting A non-dominated sorting genetic algorithm III …” „… (NSGA-III), a multi-purpose optimization algorithm, was used to develop an accelerated life test code using …” „… the damage calculation results of gears and bearings. NSGA-III is an optimization algorithm that seeks …”

E. Grabovic, A. Artoni, M. Gabiccini, E. Ciulli Exploration of trade-offs between NVH and efficiency in bevel gear design S. 853-880

„… ). Notably, the Particle Swarm Optimization- Gravitational Search Algorithm (PSOGSA) [17] and the Fast …” „… general-purpose FEM software). The optimizations are carried out by a relatively simple direct-search algorithm …” „… utilizing ideal polynomial functions to steer the optimization process, a tailored identification algorithm …”

T. Jagiella, S. Haller, J. Lechner, T. Rung, M. Wöppermann, B. Zeeb Building a software toolchain for automated mass-customization of specific end-use gear unit parts using AM-driven design guidelines S. 1607-1616

„… of the topology optimization algorithm can be extended to include the build direction of the AM …” „… main principles: Design for AM and automation.The AM-driven design is based on topology optimization …” „… and omission of support structures.Topology optimization leads to parts with low volume. These parts …”

S. Chen, C. Liu, D. Qin Forward Performance-driven Design of Gear Parameters S. 211-226

„… on multi-objective optimization algorithms, the gear parameter design driven by comprehensive gear …” „… to evaluate gear comprehensive performance. Finally, a multi-objective optimization is carried out …” „… affecting the performance of gears. Optimization of gear parameters can lead to the optimal value of gear …”

P. Michel New generation in plastic gear technologies S. 1461-1468

„… combination with algorithm calculated corrections for more cost efficiency in serial production and shorter …” „… technology and reduces also cycle times due to the elimination of handling for sprues.For optimization …” „… possible to simulate the results of the tool optimization at the plastic gears.By using the advantages of …”

I. Atanasovska, D. Momcilovic Analysis of new tooth profile design based on the biomimetics principles S. 945-956

„… is differential evolution algorithm and its modifications, are very common methods for optimization …” „… standard and non-standard gears, are high demanded. The main focus is on the optimization of gears tooth …” „… modification or optimization of this basic profile [11]. The verified mathematical optimization methods, such …”

D. Park, A. Rezayat, Y. Gwon Design optimization of multi-stage gear trains with asymmetric teeth under a broad range of torques by incorporating multibody simulations S. 383-396

„… Design optimization of multi-stage gear trains with asymmetric teeth under a broad range of torques …” „… optimization. To include non-conventional asymmetric gear teeth in the design exploration, a root strength …” „… . In this contribution, an automated design optimization software tool is developed and incorporated …”

D. Meyering, C. Hussmann Smart Gearboxes for a Sustainable and Reliable Industry S. 645-658

„… algorithms and the based load case presumptions. While the algorithms are already at an advanced stage, the …” „… recognition algorithms were developed, which will detect these conditions in the next stage of smart sensors …” „… optimizations are done with different customers. In other cases, operators are aware of critical conditions …”

J. D. M. Marafona, J. H. O. Seabra, P. M. T. Marques, R. C. Martins Effect of overlap ratio on gear dynamic behavior and noise level S. 1239-1256

„… taking advantage of this concept, Marafona et al. [6] developed a gear design algorithm to create integer …” „… overlap ratio of a gear in its dynamic behavior. First, the previously developed algorithm [6] is used to …” „… gears for the dynamic evaluation of the overlap ratio, a previously developed gear design algorithm [6 …”

M. Gebhardt, A. Rhode, B. Legrady Lubrication improvement at the HS-IS spline shaft interface of a wind turbine gearbox using the smooth particle hydrodynamic method S. 519-536

„… smooth particle hydrodynamic method Spline design optimization using an advanced numerical method Dr.-Ing …” „… spline mesh is improved by using local design optimization. An improved version of the spline design is …” „… current particles’ locations. A thorough overview of the utilized discretization and underlying algorithm …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… Macro-Geometry of Planetary Gear Set using Multi-Objective Optimization Algorithm 1181B.-S. Kim, D. Im, J.-H …” „… with verified knowledge on the design of products and processes and their optimization in terms of …” „… , FranceDevelopment of Damage-based Accelerated Life Test Code for Gearbox using Genetic Algorithm 329J.-H. Park …”

M. Willecke, J. Brimmers, C. Brecher Experimental Investigation of the load carrying capacity of beveloid gears with optimized flank topography S. 125-138

„… Beveloid Gear Pair with intersecting axisWithout a micro geometry optimization the beveloid gear contact …” „… a micro geometry optimization is needed. [7] The micro geometry design process extensively relies on …” „… model [9]. For this gear macro geometry a first micro geometry optimization VDI-Berichte Nr. 2422 …”

F. Concli, M. N. Mastrone Latest advancements in the lubrication simulations of geared systems: a technology ready for industrial applications S. 499-518

„… , demonstrating the capability of the CFD model to provide useful information for the optimization of the internal …” „… time-handling libraries and rotational speeds to investigate the desired operating conditions. This algorithm …” „… GRAMC algorithm [79] The analyzed system is shown in Figure 3 (a). It is a two-stage gearbox having a …”

A. Beinstingel, F. Haringer, W. Sigmund, M. Heider, B. Pinnekamp, S. Marburg Investigation of Sound and Vibration Behavior of Cylindrical Gears S. 599-618

„… similar driving machine vanishes, the optimization of the noise characteristics contribute as an important …” „… required for optimization purposes. A suitable calculation strategy highly supports production development …” „… properties in a positive way. Especially when the production and optimization of a prototype is not a …”

B. Karba, N. Yildirim Backlash optimization via compatible gear couples on the assembly lines for planetary gearboxes S. 1147-1158

„… Backlash optimization via compatible gear couples on the assembly lines for planetary gearboxes …” „… needs for single stage planetary gearbox. It contains its own algorithm that is open to improvement …” „… . Optimization methodology The actual value and effects of the backlash which is critical in the mesh condition …”

I. Gonzalez-Perez, A. Fuentes-Aznar, J. Calvo-Irisarri, N. Bilbao-Handley, X. Lopez-Fuentes, A. Fernandez-Sison Evaluation of the effect of the rim thickness on the root stress cycle of helical planet gears with integrated rollers S. 553-568

„… presented. The parameter optimization of Hermite curves between the flank and the root land guarantees that …” „… the planet gear and the ring gear, is accomplished following an algorithm that is based in the work of …” „… [20], but considering three pairs of possible contacting teeth. The algorithm is based on the …”

L. Becker, P. Tenberge Crossed helical gears – simulative studies and experimental results on non-involute geometries S. 1499-1514

„… currently not considered), q3 leads to an optimization of the flank curvature at the contact beginning and …” „… end by an S-bend modification and using q4, further free-form geometries are possible. The algorithm …” „… to a curvature optimization with an S-modification, the coefficient q3 is negative. It influences the …”

I. Gonzalez-Perez, A. Fuentes-Aznar Improvement of the transmission efficiency in electric vehicles by using double staggered helical gears with shortened teeth S. 1083-1090

„… efficiency is based on the application of the finite element method through two algorithms for …” „… power losses and efficiency estimation through a hybrid analytical-numerical optimization tool …”

M. Hausmann, E. Kirchner Investigation of the electrical impedance of the gear mesh of helical gears in an industrial gearbox S. 1173-1180

„… of the impedance signal. Details of this procedure will be published after further optimization …” „… well as different operating conditions. In further research, the evaluation algorithms will be further …”

D. Zorko, N. Vukašinović, B. Černe The effect of gear manufacturing quality on the mechanical and thermal state of a plastic gear S. 1319-1332

„… integrated plastic gear design optimization considering all possible failure modes was presented by Tav ar et …” „… . al. [4]. Attempts were made also to introduce machine learning algorithms into gear design [5]. Such …” „… . Duhovnik, D. Zorko, A multicriteria function for polymer gear design optimization, Journal of Computational …”

C. Westphal, J. Brimmers, C. Brecher Influence of Axis Misalignments in Stepped Planetary Gear Stages on the Excitation Behavior – Test Rig Development and Simulative Analysis S. 175-190

„… on the algorithm-based method according to Westphal et al. [9]. The focus of this paper is on the …” „… axis misalignments. The next step is to design the tooth flank modifications for further optimization …” „… . https://doi.org/10.1007/s10010-021-00512-8 9. Westphal C, Brimmers J, Brecher C (2021) Algorithm …”

C. Kunik, J. Kunert Wetting and oil flow analysis of planetary gearboxes using oil flow simulations S. 467-484

„… contribute to less downtime and increased customer satisfaction. Oil level optimizations using simulations …” „… Prediction of the Load Independent Power Losses of Gears: Development of a Mesh-Handling Algorithm to Reduce …” „… efficiency estimation through a hybrid analytical-numerical optimization tool. In: Forschung Ingenieurwesen …”

doi.org/10.51202/9783181024225

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Dritev – Drivetrain for Vehicles 2020

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2373 2020

Treffer in den folgenden Teilen:

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 …” „… are conventional optimization algorithms, whose metaheuristics, combined with the scalarisation of …” „… algorithm to guide the optimization and improve convergence, thus potentially saving simulation time. 1 …”

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

„… founded with support of the BMWi. Within this project an innovative numerical optimization algorithm is …” „… structures in the rotor. Thus the algorithm has to take into account the optimization of three different …” „… optimization is used to optimize a rotor considering magnet, iron and air material within a genetic algorithm …”

D. Evenschor, P. Tenberge, M. Wolkerstorfer Package-optimized configuration of transmission elements for automated design concepts – Design concept generation based on results of transmission synthesis S. I-417-I-434

„… optimization algorithms in the respective fields, and that the proposed algorithms bear potential for future …” „… three optimization problems can be solved using the queued Bellman-Ford algorithm [9], or alternatively …” „… mechanism is proposed. Furthermore, a novel algorithm for the optimal axial placement of gear box elements …”

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 Arved Esser, Tobias Eichenlaub, Stephan Rinderknecht, Technical University of …” „… contribution we present a data-driven optimization environment that enables to identify the ecological …” „… within the optimization. In this study, we investigate long-range capable vehicles for a scenario in the …”

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

„… interactions, an optimization on component level will only lead to a local optimum. VDI-Berichte Nr. 2373 …” „… , thermal or NVH), which complicates the optimization of the overall design. The design process is therefore …” „… approach targeting system optimization is required. The efforts and benefits on component level should be …”

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

„… optimization environment and knowledge-based guided evolutionary algorithms for automated transmission …” „… the eco-impact of powertrain concepts using a data-driven optimization environment …”

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

„… information was populated into a simulation model, and an optimization algorithm was used to select the best …” „… through the optimization algorithm to find the best combination of pump size and gear ratios. The diagram …”

C. A. Spangler Borg Warner’s P1 and P2 hybrid drive modules – Modular kit for P1 and P2 hybrids S. I-221-I-232

„… motors. The co-development of both the motor and the inverter allows for the optimization of the hybrid …” „… the following optimizations: Compact Design (<1 Liter internal volume) Body integrated WEG …” „… Algorithms and Software VDI-Berichte Nr. 2373, 2020226 Wet Friction Clutch Systems Building on …”

D. Schöneberger, S. Rinderknecht, D. Reitmeier, A. Mertens Development of a transmission control for an innovative high-speed powertrain using motor-related control – Simulative approach to develop an angular position controlled engagement of dog clutches in ... S. I-195-I-212

„… . Progressive optimization approaches in different areas of the powertrain aim for a higher overall powertrain …” „… high control frequencies. To achieve this, these control algorithms are implemented …” „… system Because of its complexity, the OS-Algorithm cannot be computed with high frequency in real …”

doi.org/10.51202/9783181023730

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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:

Conclusion and Outlook S. 105-109

„… Currently, the implemented algorithm performs a TSE optimization to choose the load packet to send and also …” „… successful component redeployment. Src Algorithm Dst. AlgorithmServerSrc. Component Dst. ComponentSrc …” „… approach, a benchmark and a list of KPIs are introduced to assess the performance of algorithms. Although …”

Runtime Adaptation Concept S. 23-36

„… . Thus requiring heuristic optimization via redeployment algorithms. The redeployment stage ensures an …” „… 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 …”

Bibliography S. 110-118

„… , volume 290. Citeseer, 1976. 110 Bibliography [13] Stephen Boyd. Convex optimization of graph laplacian …” „… with symmetries. SIAM Journal on Optimization, 20(2):792–819, 2009. [15] Stephen Boyd, Persi Diaconis …” „… Optimization, 20(2):792–819, 2009. [16] Junwei Cao. Self-organizing agents for grid load balancing. In …”

Implementation - Reality Approach S. 73-84

„… , different optimization criteria can be considered. In the decentralized algorithm approach, the following …” „… optimization criteria are possible: 74 8.1 Decentral Algorithm (Resources Perspective) • Balanced utilization …” „… chapter, a state of the art decentral algorithm is proposed that distributes the load using the resources …”

Titelei/Inhaltsverzeichnis S. I-XII

„… Distribution Algorithms . . . . . . . . . . . . . . . . . . . . . 15 2.7.2 Multi-Core Processing Analysis …” „… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.4.1 Optimization Criteria and Constraints . . . . . . . . . . . . . . . . 28 3.4.2 Boundary …” „… Investigation - Analytical Approach - Linear Model 40 5.1 Modeling of the Adaption Algorithms …”

State of the Art S. 6-22

„… a repository (Docker cloud). In the optimization domain, Docker utilizes a consensus algorithm …” „… the algorithm to include stigmergy (i.e., pheromone communication) and particle optimizations are …” „… infeasible-interiorpoint algorithm and shows robustness for medium-size semidefinite optimization problems [88]. 2.7.5 …”

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

„… algorithm is not a simple task. Thus performing an online performance optimization can be time consuming and …” „… Algorithms In the multi core processing domain, load distribution constitutes a crucial factor to the …” „… the fundamental basis upon which the algorithm model is constructed. 5.2 Model Characteristics In the …”

Introduction S. 1-5

„… Intelligence Automation Model Linear Non-Linear Non-Linear Tools Decentral Algorithm …” „… conditions. The optimization is achieved through the rearrangement of the components in the network ensuring …” „… Perspective: During load balancing, coordinating different optimization objectives (e.g., load distribution …”

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

„… performance. However, this analysis lacks many realistic aspects of the available algorithms for different …” „… cycles. The piecewise function varies according to the algorithm’s logic. Thus the transfer function and …” „… the load transfer coefficients are time variant. The optimization is performed decentrally since each …”

Scenario 2 - Agents System S. 97-104

„… and QIM, the algorithm can anticipate a load optimization that can be executed in upcoming location …” „… of concept, a recipe is written to be inputted to the algorithm and to compute the information …” „… required by the redeployment algorithm using the agents approach. The structure of the roller tables in the …”

Scenario 1 - Decentralized Algorithm S. 85-96

„… 9 Scenario 1 - Decentralized Algorithm Raspberry Pi (Palette - GCU) Monitor Computer … Raspberry Pi …” „… communicated from other nodes. In this section, the algorithm function blocks implementation is explained to …” „… demonstrate the logic flow. 85 9 Scenario 1 - Decentralized Algorithm Application MonitorApp Paths Apps …”

doi.org/10.51202/9783186267085

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Partitioned Fluid-Structure Interaction Simulation of Maritime Applications

Jorrid Lund

Reihe: Mechanik/Bruchmechanik

Band 360 2024

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Ship propeller S. 81-117

„… optimization algorithmshould be introduced in the next section.Optimization algorithmTraditional optimization …” „… non-differentiable problems.Optimization problems generally require certain properties of the optimization algorithm …” „… algorithmTraditional optimization approaches are often gradient-based algorithms that require thecomputation or …”

Titelei/Inhaltsverzeichnis S. I-VIII

„… anevolutionary algorithm is performed. For the optimization, an automatic framework is developedthat can simulate …” „… carbon-reinforced polymer is optimized with an evolutionary algorithm based on coupled simulations concerning …” „… carbon-reinforced polymer is optimized with an evolutionary algorithm based on coupled simulations concerning …”

Bibliography S. 124-138

„… ] J. Chung, G. Hulbert, A time integration algorithm for structural dynamics withimproved numerical …” „… :10.1115/1.2900803.[42] D. Kuhl, M. A. Crisfield, Energy-conserving and decaying algorithms in nonlin-ear structural …” „… /jmcea3.0000098.[41] J. Chung, G. Hulbert, A time integration algorithm for structural dynamics …”

Summary and outlook S. 118-123

„… propeller with an evolutionary optimization algorithm. For the modelingof the anisotropic KCS propeller, a …” „… propeller with an evolutionary optimization algorithm. For the modelingof the anisotropic KCS propeller, a …” „… model and modifications of the propeller pitch. The aimof the optimization was a further reduction in …”

Introduction S. 1-4

„… based on anevolutionary algorithm is performed. For the optimization, an automatic framework is …” „… convergence acceleration.In the second part of the final chapter, an optimization of a flexible ship propeller …” „… propeller in conjunction with the pitch. The optimization issupposed to ensure high efficiency, a constant …”

Fluid-structure interaction S. 35-48

„… neighbor can be used to obtain a set of linearlyindependent vectors (xi,s − x1,s). The algorithm that …” „… search algorithm to find the elementsclosest to the given target point xt, as described in [62, p. 69 f …” „… a set of linearlyindependent vectors (xi,s − x1,s). The algorithm that implements this approach …”

doi.org/10.51202/9783186360182

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Distributed Edge Intelligence Enabled Wireless Communication Systems Serving Industrial Applications

Sun Danfeng

Reihe: Mess-, Steuerungs- und Regelungstechnik

Band 1278 2022

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Related Work S. 6-23

„… ]. Compared with the conventional algorithms, machine learning meth-ods can resolve optimization problems …” „… the energy costs, Zhang et al. [193] proposed an opti-mization model to assign algorithms with …” „… ]Transformer[60]2017Supervised Learning Unsupervised Learning Reinforcement Learning Involved AlgorithmsIsomap …”

Titelei/Inhaltsverzeichnis S. I-XII

„… learningSL Supervised learningSLA System level assessmentSLINK Single-link algorithmSM Number of sent …” „… Efficiency OptimizationHigh requirements of industrial applications are challenging for WCSs, and advances in …” „… efficiency optimization aims to maximize spectral efficiency under certain conditions of quality of services …”

Distributed Edge Intelligence for Dependability Assessment and Spectral Efficiency Optimization S. 70-82

„… Al-gorithm [225], Ant Colony Optimization [226], Cuckoo Search [3], and the optimizationdirection decided by …” „… spectral efficiency optimization.765.3 EvaluationAlgorithm 2 Coordinatorfor T̂ jk in Dj doif Sjk != waiting …” „… OptimizationSymbols Description*τ , σ Finite sets of the virtual initial and end sub-modelsA A finite set of sub-model …”

Conclusions and Future Work S. 83-84

„… ., optimal execution time) is an NP-hard problem.Therefore, a suitable optimization algorithm is required.84 …” „… optimiza-tion for WCS control.In the dependability assessment branch, the author proposed three models, i.e …” „… optimization branch, fully connected neural network (FNN),attention-based convolutional neural network (Att-CNN …”

Bibliography S. 87-108

„… multiple-algorithm service model for energy-delay optimization in edgeartificial intelligence. IEEE Transactions on …” „… ] Darina Schulze and Holger Zipper. A decentralised control algorithm for an automatedcoexistence …” „… ,20(3):273–297, 1995.[40] Yoav Freund. Boosting a weak learning algorithm by majority. Information and …”

Spectral Efficiency Optimization S. 47-69

„… 4 Spectral Efficiency Optimization4.1 System Model and Optimization ProblemsFig. 4.1 shows the …” „… primary radio network. Derived from author’s publication [212].474 Spectral Efficiency Optimization …” „… Table 4.1: Symbols for spectral efficiency optimizationSymbols Descriptionα Penalty ratioδ(·) Function of …”

Introduction S. 1-5

„… the state of the art of dependabilityassessment, spectral efficiency optimization, and edge …” „… spectral efficiency optimization. Firstly, a system model and an op-timization problem are built. To …” „… step by step. Evalu-41.3 General Symbolsations on channel gain datasets show that these AI algorithms …”

doi.org/10.51202/9783186278081

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Deep Homography Estimation for Micro-Topographic Measurement Data

Stefan Siemens

Reihe: Berichte aus dem imr

Band 01/2024 2024

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4. Methods and Algorithms S. 67-102

„… Chapter 4Methods and AlgorithmsThis chapter outlines the steps for preparing datasets prior to …” „… performed.FeatureextractionFeaturedescriptionImageloadingFeaturematchingHomographyestimationMSACFigure 4.7: Workflow of the feature-based registration algorithms.The implemented feature detectors …” „… CNN-based imageregistration.774 Methods and AlgorithmsThe training of the CNNs was executed on two compute …”

1. Introduction S. 1-10

„… substantial hurdles for opti-mization algorithms [62]. The lack of standardized benchmarks and consistent71 …” „… challenges and complexities [18].Early algorithms for the automatic detection of features and subsequent …” „… Freemanand Davis in 1977, who developed a corner-finding algorithm for chain-codedcurves, an early technique …”

2. Foundational Concepts S. 11-52

„… iterative optimization algorithm dedicated to minimizinga specific function, typically an error or cost …” „… regis-tration are then introduced, including transformation models and conventionalregistration algorithms …” „… tooverlay data from multiple sources or different time points. Additionally, thesame algorithms can also be …”

6. Conclusion and Outlook S. 143-146

„… reliable surface characterization. Conventional image reg-istration algorithms, like feature-based or …” „… optimization of parameters for specific tasks and struggle with large imagevariations and issues like noise …”

Bibliography S. 147-170

„… . Boulesteix, D. Deng, and M. Lin-dauer, “Hyperparameter Optimization: Foundations, Algorithms, BestPractices …” „… Im-age Registration Algorithms for Navigation of Unmanned Aerial Vehi-cles”, Indian Journal of Science …” „… Corner-Finding Algorithm for Chain-CodedCurves”, IEEE Transactions on Computers, vol. C-26, no. 3, pp. 297–303 …”

doi.org/10.51202/9783959009225

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Toleranzanalyse und Toleranzsynthese abweichungsbehafteter Mechanismen

Michael Simon Josef Walter

Reihe: Konstruktionstechnik/Maschinenelemente

Band 437 2016

Treffer in den folgenden Teilen:

Literatur S. 193-236

„… optimization algorithm: convergence analysis and parameter selection. Information Processing Letters Bd. 85 …” „… : Logos Verlag, 1. Auflage, 2012. [Gov12] Governi, L.; Furferi, R.; Volpe, Y.: A Genetic Algorithms-based …” „… .; Wartzack, S.: Neural network based modeling and optimization of deep drawing – extrusion combined process …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… Algorithmen (z. B. Partikelschwarm Optimierung) dient hier der Lösung des viel zitierten …” „… tolerance-optimization problem. Therefore, global optimization techniques (such as particle swarm optimization) are …”

doi.org/10.51202/9783186437013

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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:

Bibliography S. 199-238

„… Genetic Algorithms-based Procedure for Automatic Tolerance Allocation Integrated in a Commercial Variation …” „… optimization of deep drawing – extrusion combined process. Journal of Intelligent Manufacturing, 25(1):77–84 …” „… ] Anselmetti, B. Part optimization and tolerances synthesis. Ye International Journal of Advanced Manufacturing …”

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

„… convex hull methods, in [RABL11] based on genetic optimization algorithms, in [SZ12] using four different …” „… (see Figure 5.3). For this purpose, algorithms for the evaluation of geometrical tolerances are …” „… verification based on algorithms for the computational metrology is provided. 7ereaqer, algorithms for the …”

Context and State of the Art S. 5-62

„… Optimization Operating Windows `ality Check F t Figure 2.3: Important Issues in Geometrical Variations …” „… CMM algorithms produced results different from those obtained with traditional methods” [Voe98 …” „… functional and aesthetic key characteristics for the continuous optimization of the product definition and …”

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

„… numerical optimization algorithms to solve the assembly problem. Figure 7.24 (a) highlights the results of …” „… diameter combinations, for which the optimization algorithm could not find feasible solutions. It can be …” „… combinations, that led to feasible solutions of the numerical optimization, whereas the red crosses imply …”

doi.org/10.51202/9783186438010

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Generic Topology Optimization Based on Local State Features

Nikola Aulig

Reihe: Rechnerunterstützte Verfahren

Band 468 2017

Treffer in den folgenden Teilen:

Introduction S. 1-7

„… topology optimization algorithms are so-called gradient-based algorithms. When using mathematical gradients …” „… the holes”. In conventional topology optimization algorithms, the knowledge causing the formation of …” „… Computational Intelligence, for instance, evolutionary algorithms for optimization, or artificial neural …”

Bibliography S. 177-202

„… solid geometry based topology optimization using evolutionary algorithm. In Bansal, J. C., Singh, P. K …” „… . Performance evaluation of a two stage adaptive genetic algorithm (TSAGA) in structural topology optimization …” „… geometric variables for topology optimization using genetic algorithm. Structural and Multidisciplinary …”

Fundamentals S. 8-28

„… optimization algorithms, Sec. 2.3 introduces the field of evolutionary computation, which provides more general …” „… topology optimization algorithm can be illustrated as in Fig. 2.4. The algorithm starts with an initial …” „… Matlab implementation of this topology optimization algorithm, including educational code, is available …”

Structure Representations for Evolutionary Computation S. 29-47

„… applications was the optimization of the compliance problem using a genetic algorithm. Thereby, every element …” „… aspect of any application of an evolutionary optimization algorithm is the parameterization of the …” „… algorithm and a constraint handling evolutionary algorithm have been applied for optimization [187, 188 …”

Topology Optimization by Predicting Sensitivities S. 48-83

„… of a parameterized structure. The enclosing topology optimization algorithm is described in Sec. 4.2 …” „… algorithm to a topology optimization problem by specific operators or by combining it with heuristics in …” „… optimization algorithm compared to that of a generic topology optimization algorithm. In the classical approach …”

Conclusions S. 150-154

„… structures [182, 183]. Interestingly, also classical topology optimization algorithms show aspects of a …” „… these topology optimization algorithms are performed based on a mathematical perspective, instead of a …” „… derivatives are a prerequisite. In contrast, the optimization progress of evolutionary algorithms is guided by …”

Topology Optimization of Crashworthiness Objectives S. 121-149

„… optimization parameters can be addressed with global search algorithms [57]. However, the field of …” „… interface was developed to couple the optimization algorithm to the commercial solver [13]. It provides …” „… 121 6 Topology Optimization of Crashworthiness Objectives Within the automotive industry, the task …”

Titelei/Inhaltsverzeichnis S. I-XVIII

„… learning, this dissertation explores a novel generic topology optimization algorithm, which is able to …” „… 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 …”

Studies on the Minimum Compliance Problem S. 84-120

„… topology optimization algorithm, the TOPS approach requires validation on a reference problem. A standard …” „… LSFs. Biologically-inspired or intuition-based topology optimization algorithms that utilize the strain …” „… optimization method and presents comprehensive results. Primarily, Topology Optimization by Predicting …”

doi.org/10.51202/9783186468208

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International Conference on Gears 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2294 2017

Treffer in den folgenden Teilen:

I. Atanasovska, H. Abderazek Comparative analysis of few new procedures for spur gears tooth profile optimization with different methods and aspects S. 1169-1176

„… algorithm with a brief description of the developed optimization procedure. The FEA calculations give the …” „… optimization - EPM VDI-Berichte Nr. 2294, 2017 1171 4. New evolutionary optimization algorithm for spur gears …” „… - EOA The new evolutionary optimization algorithm for spur gears performs optimization with aspects of …”

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

„… process. The optimization is performed using a genetic algorithm that tests a lot of different gears. The …” „… meshing process. The optimization is carried out by a genetic algorithm named NSGA-II. It is based on the …” „… optimization problem and the used genetic algorithm are depicted, and an example illustrates the methodology …”

B. Schlecht, T. Schulze, K. Riedel Tooth contact analysis under load on double helical-geared planetary gearboxes S. 83-96

„… . 2294, 2017 93 6. Optimization The present research project describes the algorithm to determine …” „… with its two tooth contacts. The calculation algorithm of the planet gear tilt and resulting bearing …” „… computer-aided algorithm allows multiple calculations in a short period that can be used to improve the design …”

S. Stoyanov, V. Dobrev, A. Dobreva Investigating dynamic behavior of planetary gear trains through the systematic approach S. 197-208

„… carries out an optimization of planetary gear trains for vehicles based upon computer aided frequency …” „… software product Abaqus/Explicit provides two algorithms for modelling contact interactions: general …” „… contact algorithm and contact pair algorithm, [1]. The general contact algorithm allows simple contact …”

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

„… deflection can be inserted into the optimization algorithm in order to anticipate it. 5. Conclusion The …” „… modifications in order to reduce the radiated noise. The optimization of tooth modifications in simple mesh …” „… powerful resolution algorithm in frequency domain to solve the dynamic equations with an iterative …”

C. Brecher, C. Löpenhaus, J. Brimmers Potential of free flank modifications for beveloid gears S. 553-564

„… optimization algorithm. The iterative optimization is stopped once an optimal flank topography is found. In or …” „… Optimization algorithm Determination of target valueSpecification of modifications f(r,z) = a10·r + a20·r …” „… gears regarding the operational behavior. After a brief overview on existing geometry optimization …”

A. L. Kapelevich, Y. V. Shekhtman Root fillet optimization of thin rim planet gears with asymmetric teeth S. 741-750

„… Root Fillet Optimization of Thin Rim Planet Gears with Asymmetric Teeth Dr. Alex L. Kapelevich …” „… optimization by means of Direct Gear Design provides the ultimate bending stress minimization. Previous …” „… publications [1, 3] had described the tooth root fillet optimization assuming that both mating gears have a …”

J. Yu, L. Yao, C. Ren, X. Yan, L. Lin Design and experimental validation on a novel tow speed transmission for electric bus S. 97-108

„… . Here, the Multi-Island Genetic Algorithm (MIGA) is used for solving the multi-objective optimization …” „… principle and ratios optimization for the SDAT system 2.1 The structure of the proposed SDAT system As …” „… transient gear ratio during the gear shifting process. 2.3 The gear ratios optimization for the SDAT …”

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

„… corners on tooth flanks after case hardening. While many studies are present on optimization of gear …” „… topland unbalance by using the proposed optimization procedure. 1. Introduction Literature Review and …” „… has been pub- VDI-Berichte Nr. 2294, 2017 447 lished to attempt optimization of tooth contact and …”

Z. Roth, J. Opferkuch High load capacity gear root fillet contour with a bézier curve S. 719-732

„… gear root safety. Due to the multitude of combinations the optimization occurs with the help of an …” „… in-house software program, which is iteratively based upon the Finite Element Method. The optimization of …” „… the parameters can be achieved with a heuristic algorithm. This method is largely preferred in …”

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

„… of stiffness of gears, bearings, etc. and damping evaluated by parameter optimization using …” „… real-coded genetic algorithm (RCGA) [6]. (2-c) FRF combining: FRF in a wide frequency range is derived by …” „… vibration measurement result. By repeating this process using an optimization method, the relative tooth …”

Y. Shen, S. Rinderknecht, M. Hoppert General modelling method of power losses in transmission with parameter identification S. 905-916

„… identification method and algorithm. On the one hand, a much better proximity is achieved. On the other hand …” „… , the identified parameters indicate the optimization potential of the component losses for …” „… (electric motor). But the optimization of efficiency is also necessary for all other components in the …”

F. Concli, C. Gorla Numerical modeling of the churning power losses of gears: an innovative 3D computational tool suitable for planetary gearbox simulation S. 881-892

„… and the optimization of the power losses of gears [14-20]. Numerical simulations remove the …” „… . Traditionally the general purpose software integrate a local remeshing algorithm that substitute the …” „… ]. While the fluid dynamic solver was already available, the algorithm for the boundary motion, the …”

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 …” „… supply control algorithm. The fuzzy PID is used to achieve the coordinated power supply control. The …”

J. Reißmann, E. Leidich Computation of the tooth root strength of Worm Wheels with a calculation program based on local stresses S. 373-394

„… are analytical calculation algorithms to consider wear, pitting and fracture. The german standard DIN …” „… 3996 [1] is based on shear stresses. Another algorithm [2] is based on von-Mises equivalent stresses …” „… algorithm of the computation program to determine the tooth root strength of worm wheels The program …”

Y. Wang, B. Peng, G. Liu, L. Liu Design of transmission accuracy of the involute cylindrical gear-worm gear system under large temperature difference based on FE method S. 491-502

„… of Technology, 2013. [6] Padmanabhan, S.: Gear pair design optimization by genetic algorithm and FEA …”

A. Lohrengel, M. Heß Thrust cone bearings provide increased efficiency for helical gear units at moderate speed levels – Indications for possible energy saving potential in an expanded field of application S. 231-242

„… parameters on the film thickness, a hydrodynamic fluid film simulation was developed. The algorithm …” „… lubrication an optimization problem results for the design engineer which might be solved by numerical …”

doi.org/10.51202/9783181022948

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Autonomous Systems 2019: An Almanac

Herwig Unger (Hrsg.)

Reihe: Informatik/ Kommunikation

Band 864 2019

Treffer in den folgenden Teilen:

M. Hloch, M. Kubek Sequential Clustering using Centroid Terms S. 72-88

„… text-clustering algorithms.In addition to the centroid term χ(D) itself, which can be considered as cen-troid of …” „… for the conducted algorithms.The given implementation of the Chinese Whispers algorithm and its …” „… : Average purity for each of the tested algorithmsAlgorithm A Algorithm B Chinese Whispers0.70 0.72 0.75Fig …”

X. Xu, C. Yuan, Z. Li A Comparative Study of Visual and Visual-inertial SLAM S. 171-174

„… approaches so far available have been stu-died. Our survey points to two state-of-the-art algorithms …” „… EuRoCdataset, which is publicly available at https://projects.asl.ethz.ch/datasets.Using different algorithms …” „… positions calculated with different algorithms and sensor configurations.References[1] Mur-Artal, R …”

M. S. Zahan, J. Ch. Chedjou, K. Kyamakya On the Introduction of Nonlinear Dynamics in Image Processing with Applications S. 199-212

„… algorithms. For example, in traffic management system image processingtechniques become very popular because …” „… CPUresources. Therefore developing efficient image processing algorithms couldbe an alternative solution to …” „… processing algorithm thatcan work perfectly in a limited resource environment is highly …”

D. Samorukov Balancing Data Access Frequencies in P2P Systems with Error-prone Communication S. 106-120

„… . on, page 131, 2016.[19] D. Samorukov. Operation on distributed structures: An optimization ap-proach …” „… ] P. T. Wojciechowski. Algorithms for location-independent communicationbetween mobile agents …”

doi.org/10.51202/9783186864109

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Bauingenieur

Alle Ausgaben: Bauingenieur

Bauingenieur Jahrgang 92 (2017) Heft 10 ISSN Online: 0005-6650

Treffer in den folgenden Teilen:

Rimantas Belevicius, Algirdas Juozapaitis, Dainius Rusakevicius, Ieva Misiunaite, Saulius Valentinavicius Optimal Schemes of Underslung Girder Foot Bridges for Different Spans and Deck Types S. 427-434

„… varies depending on the number of sections chosen by the optimization algorithm and may reach 57 for a …” „… actually multimodal character of the problem. Stochastic evolutionary optimization algorithms (EA) that …” „… do not require the sensitivity information were used for optimization. Stochastic algorithms do not …”

doi.org/10.37544/0005-6650-2017-10

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Increasing Output in Transfer Lines through Adaptive Buffer Operation

Jeanette Hamiga

Reihe: Fördertechnik/Logistik

Band 58 2016

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Method design for increased output in assembly S. 39-63

„… during a shift. Optimization Single and Multi-objective Optimization: Evolutionary Algorithm …” „… optimization concept is presented. Concluding the search methodology, the Evolutionary Algorithms used, are …” „… Evolutionary Algorithms used for search of solutions As the variables in the proposed optimization task are …”

References S. 118-132

„… Approach to the Traveling Salesman Problem: An Efficient Simulation Algorithm. Journal of Optimization …” „… , Kalyanmoy. 2004. Multi-Objective Optimization using Evolutionary Algorithms. Chichester: Wiley. Deb …” „… Genetic Algorithm for Multi-objective Optimization: NSGA- II. In Proceedings of the 6th International …”

Buffer management in manufacturing systems S. 7-38

„… dedicated to a special class of optimization methods, the Evolutionary Algorithms. The methods presented …” „… the shorter path in the end. In the ant colony optimization algorithms this principle is transferred …” „… optimization process, is fulfilled.31F Genetic Algorithms Genetic Algorithms as introduced by Holland 98 are …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… – Multi-Objective-Optimization – Evolution Strategies – Automotive Production – Manufacturing System – Assembly – Buffer …” „… simulation-based optimization method is proposed. This method is split into the evaluative methodology, here …” „… simulation, and the generative technique of evolution strategies, solving the multi-objective optimization …”

Introduction S. 1-6

„… method is the operation of buffers and simulation-based optimization. With the goal of improving buffer …” „… optimization is envisioned to be developed. 1.1 Background and motivation of research German automotive …” „… . Most studies on system optimization deal with allocation and sizing of buffers, whereas the filling of …”

Summary and outlook S. 97-99

„… status. Due to the chosen optimization algorithms, the Evolution Strategies, computation time is fast …” „… optimization method to find optimized parameter settings for adaptive buffer operation was developed. In …” „… within the system should be filled simulation-based optimization was applied. As this optimization method …”

Application of method S. 64-96

„… algorithm did not find the global optimum. 4.2.3 Multi-objective optimization The first striking result …” „… problem. In the proposed simulation-based optimization method algorithms considering multiple-objectives …” „… operation and simulationbased optimization have been described. In this chapter the developed method is …”

doi.org/10.51202/9783186058133

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International Conference on Gears 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2389 2022

Treffer in den folgenden Teilen:

L. Bo Integrated optimization of structural and control parameters for a hybrid electric system S. 927-934

„… . The reinforcement learning algorithm is used to solve the optimization results in the iterative …” „… variables are discretizedSelect the starting point, and use the optimization algorithm to search the optimal …” „… Fig. 3: Parameter optimization process 3.2 Control strategy based on dynamic programming algorithm …”

P. Tenberge, R. Uelpenich, P. Dong, R. He Very fast tooth root optimization – general tool geometry for much smaller tooth root stresses S. 457-468

„… the optimization algorithm and are based on the initial variants a), c) and e). The optimizations can …” „… . With this experience, we could speed up our optimization algorithm again a lot. This result …” „… root optimization => General tool geometry for much smaller tooth root stressesProf. Dr.-Ing. P …”

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

„… algorithms allow to perform optimizations for user-defined objective functions with varying constraints, e.g …” „… Holistic friction optimization of transmissions A significant contribution for sustainability …” „… are faced with new challenges. The topic friction optimization gains higher importance during …”

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

„… optimization algorithms provides a powerful tool which helps save time and cost in the improvement and …” „… Advanced Use of DOE in Gear Geometry Optimization Quality and robustness improvement of …” „… NVH-behavior, gear durability and efficiency through hypoid gear macro-geometry optimization N. Hessinger, M …”

C. Schonke, T. Magdy, K. Daubach, W. Kassem, M. Oehler, O. Koch Simulation of high torque density gearbox noise excitation S. 837-848

„… , Technische Universitat Kaiserslautern, Germany Abstract Market requirements for cost optimization of …” „… influence. Furthermore, gear bodies with more complex geometries (e.g. for weight optimization) are …” „… technologies, such as efficient contact calculation algorithms and selective degree of freedom reductions. The …”

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

„… . 2. Conventional Gearbox Optimization Depending on the complexity of physical phenomena under …” „… nonlinear behavior of the gear units is essential for reliable systematic optimizations. A bottom-up V&V …” „… Digital Twin Model Optimizations An automated toolchain based on input and output variables and an …”

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

„… Application of Genetic Algorithms for parameters identification in a developing smart gear system …” „… Algorithms (GA) for identifying the parameters of the smart gear in a developing wireless gear health …” „… optimization process. Once the value of MSE becomes minimum, the best fitting of these two data is obtained …”

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

„… machine learning algorithms. The generation of a sufficient amount of data per condition class is relevant …” „… to ensure training stability and accuracy of the applied algorithms. But especially in early …” „… and time-consuming in practice. However, for the implementation of machine learning algorithms to …”

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 …”

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

„… 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 …” „… scenario is translated into a multi-objective optimization in a multibody simulation environment with all …”

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

„… on the commercial FEA software LS-DYNA, which has superiority in explicit algorithm and impact …” „… as targets in optimization. (a) (b) Fig. 2.1: Alignment and …” „… Inputting the above data into Kriging model and combined with NSGA-II algorithm, the optimized geometry of …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… aculty of Electrics and Informatics Aalen, Aalen University, GermanyApplication of genetic algorithms …” „… (Now: MAN Truck & Bus AG)Advanced use of DOE in gear geometry optimization …” „… geometry optimizationParametric study of hypocycloidal involute gears …”

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 …” „… algorithm is used to speed up the dimensioning of the special gear design by avoiding a time-consuming …” „… and not all points of the tooth in the calculation, an acceleration of the algorithm is achieved …”

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

„… with a patented algorithm that, in conjunction with the right methodology, uncovers unknown mechanisms …” „… patented mathematical algorithm [1], valid prediction models can be generated even for prototypes with few …” „… an automatic algorithm. A sensitivity analysis is followed by a group/family formation of influence …”

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

„… major focus in the development of gear boxes is the optimization of the gears. The aim is to increase …” „… ]. In contrast, ZaKo3D uses an interpolation algorithm based on Bézier surfaces or a triangulated mesh …” „… . Both approaches make it necessary to determine the contact dis-tances with numerical algorithms, such …”

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

„… profile can be generated. Within a subsequently following algorithm, the line of action is determined …” „… analysis are supplied. Optimizations of the tooth root are also in the scope of this method. Fig. 3 …” „… optimizations The simplified assumptions for the residual stresses might also be only valid for symmetric gears …”

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

„… simulation model, the churning losses of the experiment are correctly reproduced. A post-processing algorithm …” „… loss optimization as well. Using this tool in a cloud-based environment leverages the potential of SPH …” „… : Development of a Mesh-Handling Algorithm to Reduce the CFD Simulation Time. In: Advances in Tribology 2016 …”

doi.org/10.51202/9783181023891

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