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VDI Wissensforum GmbH (ed.)

ELIV 2019

Series: VDI-Berichte

Volume 2357 2019

Results in this title

M. Oertel, J. Wolf Safety for Automated Driving with High Performance ECUs S. 395-406

„… the level of the ECU design, and finally looking at the application development itself …” „… contrast, faults in software are systematic faults. Attempts to create a generally accepted model for …” „… probabilities of systematic faults have not succeeded to date. Thus, fault avoidance must be implemented to …”

R. Adler, D. Schneider, T. Fukuda Engineering and Hardening of Functional Fail-Operational Architectures for Highly Automated Driving – Identifying and shaping the operational design domain S. 383-394

„… Driving Identifying and shaping the operational design domain Dr. Rasmus Adler, Dr. Daniel Schneider …” „… facilitates the design of fail-operational architectures from early design stages on, by enabling informed …” „… in the case of non-automated driving we have to select several variants at design time and implement …”

J. Tung AI and the Evolution of Model-Based Design S. 347-352

„… features such as wiper systems7. In each of these domains, Model-Based Design involves the systematic …” „… AI and the Evolution of Model-Based Design Jim Tung, MathWorks, Natick, Massachusetts, USA …” „… . To help in that transition, the widely used Model-Based Design approach is evolving in ways that …”

O. Ur-Rehman, G. Wallraf, B. Holderbaum, M. Jentges Impact of Cybersecurity and Safety Standards on ADAS Software Development Practices S. 407-418

„… cause harm to people. Functional safety considers malfunctions caused by systematic faults or random …” „… respectively. The systematic derivation of safety requirements from the safety goals is one of the …” „… and alignment on the results is essential. By means of the fault tree analysis, a systematic approach …”

doi.org/10.51202/9783181023570

VDI Wissensforum GmbH - International Conference on Gears 2023

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2023

Series: VDI-Berichte

Volume 2422 2023

Results in this title

P. Chavan, M. Lutz Validation of an industrial gearbox model for predicting vibro-acoustic behavior S. 619-632

„… development is crucial for optimizing gear tooth design. In this way, the VDI-Berichte Nr. 2422, 2023 619 …” „… . Therefore, this paper aims to demonstrate the systematic experimental validation of the component and …” „… flexible housings, the systematic validation of these predicted surface velocities has not been extensively …”

L. Binanzer, L. Merkle, M. Dazer, A. Nicola Pitting Detection for Prognostics and Health Management in Gearbox Applications S. 97-108

„… , speed and vibration sensors. The experiments are statistically designed by means of Design of …” „… Theorie von Design of Experiments (DOE) folgend statistisch ausgelegt. Dabei werden die Faktoren …” „… damage and a damage size. The aim of this investigation is a systematic VDI-Berichte Nr. 2422, 2023 97 …”

M. Geitner, S. Preintner, T. Tobie, K. Stahl Simulation Study on the Tribological Characteristics in the Meshing Contact in the Context of the Load Carrying Capacity Calculation of Internal Gears with Unbalanced Sliding Conditions S. 429-450

„… characterized by a high power density and a compact design with coaxial in- and output. Consequently, planetary …” „… positioning the pitch point C outside of the active profile. Depending on the gear design, this allows a …” „… noted that such gear designs are already part of some practical applications. However, the existing …”

S.-J. Tsai, Q.-Y. Zhuang, L.-C. Chang Design and analysis of compound stepped planetary gear drives for better transmission performances S. 537-552

„… City, Taiwan Abstract This paper aims to propose a systematic approach to design and analyze compound …” „… of the paper is thus to propose a systematic approach to design and analyse the CSPG for better …” „… requirements are also categorized in a systematic manner to establish design rules. The analysis tool used in …”

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

„… the reliable design of plastic gears. Knowledge on material properties (such as fatigue strength, wear …” „… required for a reliable design. Plastic gears would be probably even more widely adopted, if there would …” „… be any VDI-Berichte Nr. 2422, 2023 1319standardized design methods and relevant material data …”

T. Kleiber, B. Neubauer Advancing to The Next Level – Cost Efficient Roll-Inspection: Back from End-of-Line NVH to Skiving Process S. 1591-1606

„… engine noise increased the necessity of high-quality gears. Restrictive design space, in all applications …” „… interruptions, which may be better visualized in Fig. 9. Fig. 9: Interruptions - Systematic orders and skiving …” „… , provide an indicator for systematic effect if it drops to almost 0% ratio. This is the case for the outer …”

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

„… that the methodology presented allows the designer to obtain Pareto-optimal solutions in a systematic …” „… (MOO) is presented where the tooth micro-geometry is systematically designed. The design variables are …” „… Exploration of trade-offs between NVH and efficiency in bevel gear design Ph.D. E. Grabovic, Prof …”

M. Fürst, S. Sepp, D. Schweigert, M. Otto, K. Stahl Experimental Investigation of Moving Contact Pattern in Helical Planetary Gearboxes S. 569-582

„… Stahl,School of Engineering and Design, Department of MechanicalEngineering, Gear Research Center (FZG …” „… Abstract Planetary gear sets combine the characteristics of high-power density and compact design which are …” „… and cost reduction, new challenges arise regarding a lightweight design. An accurate prediction of the …”

Y. Koch, E. Kirchner, J. Hirschmann Measuring Instantaneous Angular Speed using a Gear Wheel as Material Measure to detect Pitting Damage during an Endurance Test S. 81-96

„… gearbox housing. This requires additional mounting at the rotating shaft and a design change. Koch et al …” „… and a design change. Therefore, Koch et al. [1] used the gear wheel as a material measure and an …” „… gearboxes? Method First, the test stand and design of the endurance test are presented. Then the integrated …”

I. Criscuolo, F. Carneiro, G. Guimarães, R. Rego, J. Mascheroni Indirect Selective Laser Sintering: Modeling and analysis of surface densification by shot peening S. 1681-1698

„… electromobility requirements for gears in terms of materials and product design. iSLS manufacturing allows for …” „… of materials and product design with geometric freedom [3,4]. Indirect Selective Laser Sintering …” „… processability. Figure 2 shows the complexity of the iSLS process from material to product design. Fig. 1: iSLS …”

J. Lohmiller, F. Dobler, M. Wöppermann Investigating different nodular graphite irons for the application of gears – a step towards standardization by using reasonable quality criteria S. 1731-1748

„… ; however, the design freedom of the casting process outweighs this drawback. Although commonly used for …” „… for obtaining optimal tooth-root bending strength. Following this design strategy, a pearlitic ductile …” „… , for one supplier the size of the carrier was varied systematically over 4 design sizes of the series …”

P. E. Schnetzer, J. Pellkofer, K. Stahl Calculation method for wear of steel-bronze rolling-sliding contacts relating to worm gears S. 907-926

„… ), School of Engineering and Design, Technical University of Munich, Garching, Germany Symbols A mm Running …” „… high transmission ratios in one stage, a compact design, the ability to self-lock, and low-noise …” „… authors are not aware of any paper in which systematic wear investigations have been carried out on the …”

doi.org/10.51202/9783181024225

VDI Wissensforum GmbH - Drivetrain for Vehicles 2016

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VDI Wissensforum GmbH (ed.)

Drivetrain for Vehicles 2016

Series: VDI-Berichte

Volume 2276 2016

Results in this title

R. Moehlmann Modular design for driveline mechatronic systems – Global development strategy driven by automotive market demands in the context of global competition S. 309-320

„… Modular design for driveline mechatronic systems Global development strategy driven by …” „… . Basierend auf diesen Zusammenhängen ist die globale Entwicklungsstrategie „Modulares Design für …” „… Vorteile des Entwicklungsansatzes „Modulares Design für mechatronische Systeme“ anschaulich dargestellt …”

A. Kooy, D. Eireiner, T. Krause, C. Herbers, B. Vögtle Torsional Damping Systems for all relevant Powertrains – Extending current Damping Technologies S. 257-270

„… has established a systematic, simulation-based procedure and evaluation method to find the best …” „… the accessory drive damper. In the DCDCPA design, the pendulum mass ends, figure 5, do not simply …” „… and design can be found in [3]. VDI-Berichte 2276, 2016 261 Fig. 5: Damped clutch disc with CPA …”

K. Fronius, A. Harsch, P. Neuwirth, J. Gindele The AMG SPEEDSHIFT DCT from the Mercedes-Benz 7G-DCT Family – Performance for the Road and Race Track in the Compact Segment S. 53-68

„… the 7G-DCT AMG SPEEDSHIFT with PTU and open differential The main design features of the 7G-DCT are …” „… (park-by-wire) The premise of the project was to adapt the design of the transmission variant for AMG in the …” „… of 7.14 in the new design. The other transmission ratios and further important figures are listed in …”

M. Maisch, M. Homm, U. Keller The Highly Efficient 9GH-TRONIC Plug-In Hybrid Transmission by Mercedes-Benz S. 339-352

„… clutch was achieved by means of a systematic hydraulic design. As a result, a minimum filling and …” „… , considerable attention was paid to create an extremely compact design through the optimum constructive and …” „… damper (Fig. 3). Only this compact design allows the 9GH-TRONIC plug-in hybrid transmission to be used …”

V. Warth, B. Reick, B. Bertsche, M. Geimer Efficient analysis of complex continuously variable power split transmissions with multiple in- and outputs S. 719-730

„… the tasks to be fulfilled [8]. Figure 1.1 shows a systematic overview of different designs of …” „… extended by the rotational axes. Due to the coaxial design of the planetary gearset, all elements are …” „… . An exception are special mechanical variators in coaxial design which can also be used as …”

doi.org/10.51202/9783181022764

Nikola Aulig - Generic Topology Optimization Based on Local State Features

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Nikola Aulig

Generic Topology Optimization Based on Local State Features

Series: Rechnerunterstützte Verfahren

Volume 468 2017

Results in this title

Introduction S. 1-7

„… with competitive pressure, leads to an increased demand for systematic design optimization that …” „… 1 1 Introduction Human engineers or designers usually judge their designs with respect to numerous …” „… all necessary restrictions. They typically change design parameters in an iterative and intuitive …”

Conclusions S. 150-154

„… topology optimization problems resides in the design freedom naturally reflected by an accordingly high …” „… representations are limited to small problems, geometric representations can provide a balance between design …” „… of topological designs is identified for indirect representations, although they are rarely studied …”

Topology Optimization by Predicting Sensitivities S. 48-83

„… lowerdimensional representation of the design space, since assigning a variable to each element is infeasible for …” „… topology optimization, typically, the partial derivative of a function with respect to a design variable is …” „… computation at the given design point is obtained from one or several structural analyses. The resulting …”

Studies on the Minimum Compliance Problem S. 84-120

„… for our studies. Design space and boundary conditions are shown in Sec. 2.2.2 in Fig. 5.1. The …” „… component of the load vector l at the index of the centre node along the right edge of the design space. The …” „… = f, i = 1, . . . , N) is used as initial design guess. The resulting design when optimizing with …”

doi.org/10.51202/9783186468208

VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2019

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VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain For Vehicles 2019

Series: VDI-Berichte

Volume 2354 2019

Results in this title

A. Harsch, G. Clausen, A. Rink Modular system 8G-DCT with all-wheel drive

„… Minimization of mechanical and electrical losses Reduction of weight through systematic lightweight design …” „… cars Due to the systematic modular design of the 8G-DCT, the transmission can meet the requirements …” „… Transmission design and specifications The dual clutch transmission is designed in a classic and compact …”

T. Pullen Integrated eDrive system for various performance classes

„… ratio and a high volumetric power density. Due to the smart and optimized GKN design a scalability of …” „… systematic integration in combination with modularization enables the reduction of complexity across the …” „… electric all-wheel drive applications, should, however, be covered by one design concept in order to …”

M. Horn, F. Kutter, B. Vahlensieck Advanced development of dedicated hybrid concepts – Systematic search for optimal powertrain concepts

„… Advanced Development of Dedicated Hybrid Concepts Systematic search for optimal powertrain …” „… concepts Systematic search for tailor-made hybrid powertrains In order to find optimal dedicated …” „… hybrid concepts a systematic concept search has to be performed. This search must consider the whole …”

A. Grunwald Transmission system footprint related to fatigue, efficiency and NVH

„… sub-assembly level, combined with systematic analysis of concept on system level, enables rating of the …” „… structures are based on offset design, layshaft design or epicyclic design. Definition of the transmission …” „… first sketch onwards step-by-step to the design freeze, followed by verification and validation of the …”

P. Lück, K. Bennewitz, J. Tousen Volkswagen’s electric drivetrains of the new modular e-drive kit (MEB)

„… . 2354, 2019516 1. Introduction Volkswagen is committed to the systematic advancement of electric …” „… ) The modular design of the PI is configured for high volume industrialization. From the power module …” „… delay of bus communication. The advantages of this design are more direct adaptation options in the …”

Titelei/Inhaltsverzeichnis

„… dedicated hybrid concepts – Systematic search for optimal powertrain concepts …” „… , Untergruppenbach Innovative 8HP modular design kit for conventional, MHEV and PHEV transmissions …” „… Holistic design approach for electric drives …”

C. Dassler, M. Kurch, M. Nichols NVH-challenges and solution approaches in electric drive development from the supplier‘s view

„… should also be considered in the design-phase, as they could enhance resonance effects in the motor in …” „… approaches Every electric motor has by design an “acoustic fingerprint”, which is characterized by a number …” „… of factors, foremost the type of motor (e.g. synchronous motor or induction motor) and by its design …”

H. Gürbüz, S. Ott, A. Albers Potentials for improving the system behaviour of highspeed clutches for BEV using optimal transmission springs

„… electric drive train. [1][2][3][4] The systematic development of shiftable high-speed transmissions and …” „… importance here. Highspeed concepts using stateof-the-art drive systems, components and design methods can …” „… design of the frictional clutch system, the requirements and boundary conditions from the research …”

K. von Rueden, C. Danzer, J. Liebold, T. Mueller, T. Hirschbeck 1, 2 or 3 – how much it would be? Evaluating the need of multispeed electric drives coming from different perspectives

„… change itself and on the other hand must be taken into account in the e-machine design. Both with the …” „… presentation, different approaches to the design of electric power trains with one or more gears are shown …” „… compared to the 2-speed. The 1-speed design falls back due to increasing electrical losses in the …”

A. Lampe, R. Serway, L. Große Siestrup, C. Gühmann Artificial intelligence in transmission control – Clutch engagement with reinforcement learning

„… design a start-up controller that meets customer demands. In order to reduce calibration effort on the …” „… systematic processes that deal with safety-related embedded development. These standards neither specify nor …” „… rewards: ⋅ ⋅ ⋅ ⋅ . . . ⋅ Both the reward and the return are scalar values. is a design parameter …”

doi.org/10.51202/9783181023549

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