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VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2018

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VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain For Vehicles 2018

Series: VDI-Berichte

Volume 2328 2018

Results in this title

C. Danzer, T. Voigt, T. Günther, R. Tröger From fleet requirements to optimized Dedicated Hybrid Powertrains

„… parameters and technologies regarding criteria like CO2-Emissions, driving performance and powertrain costs …” „… criteria describing properties from the cycle simulation, driving performance analysis and the cost …” „… above-mentioned criteria and conFig.s OEM-specific powertrains. The conference paper describes a possible way to …”

P. Maurel, N. Termenon, Philippe Kraemer, I. Sogoba Efficient hybrid clutch actuator

„… this efficiency depends on how is used the actuator in term of mission profile, performances and high …” „… features, with on demand performances, scaled to be the less energy consuming to the task, and that can be …” „… cycles like RDE, NEDC and WLTC. Finally, we will introduce an on demand performance electro-mechanical …”

A. Viehmann, R. König, S. Rinderknecht Investigation of gear shifts in a parallel-series hybrid powertrain with dog clutches in a demonstrator vehicle (two-drive-transmission with range-extender, DE-REX)

„… acceleration profiles during gear and mode change are defined and criteria for evaluating the sportiness and …” „… shift comfort are presented. A selection of evaluation criteria is applied to measurement data of four …” „… still seen as a predominantly electric powertrain, the requirements regarding driving performance (e.g …”

M. Paal, K. Graner Electrical drives in mobile machines – Current trends & drivers, resulting requirements and considerations on their implementation

„… advantages, such as energy savings, better driving performance, etc. This, however, usually at higher …” „… , economic issues will fade into the background when authorities make decisions based on different criteria …”

N. Dudin, S. Ott, A. Albers, R. Misch, T. Rochlitzer Virtualizing validation processes of electrified powertrain generations

„… criteria. These include performance (e.g. 0-100 acceleration), VDI-Berichte Nr. 2328, 201850 environmental …” „… , performance and drivability can be achieved through optimizing control software and calibration [Hasel et al …” „… activities of objective analysis and subjective evaluation with regards to performance, drivability …”

T. Grasshoff, P. Beckedahl Power module packaging technologies for silicon and silicon carbide in automotive applications – challenges and solutions

„… are used to optimize performance, size and reliability supporting the trend towards car specific …” „… semiconductor solutions to improve performance and reduce the system costs. 3. Introduction Vehicle …” „… may get hotter impacting performance and lifetime. On the other side a 25°C increase in junction …”

S. Rinderknecht, A. Esser, P. Jardin Relevance of multidimensional real-driving optimization for the development of a battery-electric vehicle 5.0

„… calculating a relative error using a relevant set of criteria comparing the database with the generated …” „… as cooling, it is assumed that a heat pump with a performance number of 3 is used. In case of an …” „… cycles and choosing the best cycles according to a defined evaluation criteria set. Many different …”

R. Bredtmann, M. Beck, O. Mühlfeld, K. Olesen, O. Shajarati Robust multi-chip power module for effective integration to automotive powertrains – Danfoss DCM™1000 meets future automotive requirements

„… , semiconductors can be rated to ideal cost and performance criteria. Semiconductor switches are now allowed to …” „… lifetime improvement for DBB® over standard wire bonding combined with the improved thermal performance of …” „… Fig. 3_ Proven power cycling performance with copper wire-bonds and DBB®. Automotive traction power …”

B. Arnold, B. Lecointre Shift simulator for shift feel and quality development of manual transmissions

„… match in evaluation results was achieved for the defined criteria. Introduction Looking at the …” „… shift performance (sporty or comfort shift feel). 1. Project definition The goal of this Project …” „… determine appropriate settings of certain hardware design parameters to maximize the performance of the …”

M. Bahne, U. Frey, G. Schlager Transmission technology contribution to CO2 roadmap – a benchmark

„… carbon dioxide emissions potential of transmission technologies in connection with vehicle performance …” „… , NVH, and costs. While consumers continue to demand ever-greater performance, driving range, and …” „… selection of the best possible combustion engine, as well as vehicle performance. In order to assess the …”

M. Behzad, V. Saxena, M. Schaefer Thermal-hydrodynamic optimization of grooves in a wet clutch

„… performance criteria of the clutch, such as the drag torque and the friction coefficient characteristics …” „… orientations on the ATF flowrate and its heat transfer performance are throughly studied. The CFD results show …” „… temperature and thereby, overall performance of clutch system. In addition to optimizing thermal behavior …”

C. Sibla, A. Donges, F. Jauch Third Generation of ZF’s 8-speed automatic transmission – Reducing CO2 emissions in the 8HP transmission

„… battery performance, the additional costs and their complexity. That is why there is still a need to …” „… important assessment criteria was the impact on CO2. The main goal was to widen the gear ratio spread and …”

W. van Harselaar, M. Brouwer, T. Hofman A generic transmission model for hybrid electric drives – Integration of the dynamic behavior of all conventional-, electric-, and hybrid-transmission mode types in a single model

„… , launch performance and behavior in battery charge boundaries, which is also neglected here as only an …” „… . [6] Kaehler, B., Kersting, K., Brouwer, M. and Christ, T.: Design criteria, methods of analysis, and …”

doi.org/10.51202/9783181023280

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

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

„… mild-hybrid concept variants. Dedicated hybrid concepts can be clustered according to different criteria …” „… (Phase IV). The maximum performance of the EDA mode primarily depends on the performance of ICE and …” „… requirements. The holistic multi-criteria transmission system optimization considers all possible driving …”

M. Maillard, L. Laurenty, S. Chretien Impact of hybridization on functional safety for low voltage eMotors – Impact of electrical and hybrid architectures (P2 P4) on the ASIL of electrical machines (eMotors)

„… and dynamic performances of its electrical machines. These changes make the requirements of functional …” „… batteries by liion batteries, are all criteria that can make the safety mechanisms more severe or more …” „… driving and operating situations (E), and Controllability by the driver (C). Theses 3 criteria are then …”

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

„… Abstract In order to achieve the development goals for 2025+ in terms of CO2-emissions, performance …” „… conventional, hybrid and allelectric power trains. Development goals, such as high starting performance and …” „… the three points of view: • Vehicle longitudinal performance, • Efficiency, powertrain losses and …”

A. Esser, J.-E. Schleiffer, T. Eichenlaub, S. Rinderknecht Development of an optimization framework for the comparative evaluation of the ecoimpact of powertrain concepts

„… calculated for each criteria and the overall mean error is used as a final performance value to evaluate the …” „… performance value of 1,22 %. Criteria Single cycle value Fleet data value Rel. error Criteria Single …” „… performance indicators in the operational phase by simulation in Section 4. Section 5 shows the comparative …”

S. Stöhr, R. Koesling, V. Marx New all-wheel drive systems in Mercedes-Benz SUVs

„… without tolerating any compromises in terms of traction and driving safety. The key criteria were the …” „… . Compared with the previous model series, all the criteria were significantly improved, with the …” „… VDI-Berichte Nr. 2354, 2019 485 Particularly with regard to the criteria of longitudinal agility and backlash …”

J. Grabowski, A. Colognese 48V to 12V Converters for xEV Applications – Managing the headaches of dual voltage automotive architectures

„… . VDI-Berichte Nr. 2354, 201948 In a simplified way, this problem sets the performance criteria for the amplifier …” „… temperatures. This often is the case when LI-Ion battery systems are implemented with their selection criteria …” „… , there is a fundamental trade-off between power density and cold temperature performance. The …”

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

„… performance footprint including improvements for fatigue, efficiency and last but not least NVH performance …” „… performance. GKN Driveline operates with around 31,700 employees in 23 countries with 58 manufacturing …” „… e-motor for driveline electrification with exemplary rating of main performance. The rating of listed …”

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

„… gives an insight into the selection criteria for the algorithm and the procedure for stipulating …” „… automated manual transmissions (AMT), due to the multiple criteria that have to be met. This section …” „… discusses these criteria and gives an overview of published investigations. VDI-Berichte Nr. 2354, 2019118 …”

W. Wenzel, M. Eglinger, M. Li, C. Sieg, J. Hengst, F. Küçükay Next generation of 48V HEV

„… , Technical University Braunschweig Abstract To improve efficiency and performance at moderate costs …” „… 35 kW. Thus, the efficiency and performance of the 48V electrified drive train can be enhanced. In …” „… time in hybrid operation from 0 km/h to 100 km/h is examined to compare the performance. To estimate …”

P. Fietkau, N. Lamparsky, M. Felbermaier, A. Fröhlcke, T. Conze Holistic design approach for electric drives

„… digital prototype is built from several DPSs. The Load Spectra DPS and Driving Performance DPS deliver …” „… certain maturity criteria at set points in time. All input and output data are stored centrally in a …” „… . 3. Driving Performance DPS and Load Spectra DPS At the start of a project, the vehicle target …”

C. Möser, T. Märkle, K. Hornung Effective acoustic development of electrified powertrains – Combination of simulation and evaluation methods

„… criteria by way of the ANSA Batchmesh functions – activated by a Python script. If the algorithm severely …” „… infringes against the criteria for one component, or if automatic mesh generation is not possible, the …” „… subsequent postprocessing. This makes high-performance representation and analysis of the results possible …”

A. Viehmann, J.-E. Schleiffer, S. Rinderknecht Evaluation of the dedicated range-extender transmission powertrain concept DE-REX regarding efficiency, costs and complexity – Comparative assessment of electric and hybrid powertrain configurations b...

„… advantage of outstanding acceleration capabilities and extraordinary driving performance, but on the other …” „… gear ratios were determined by applying a multi-criteria optimization method [5]. The partners TU …”

doi.org/10.51202/9783181023549

Martin Ralf Münster - Systematic Derivation of Objective Requirements on Vehicle Steering System

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Martin Ralf Münster

Systematic Derivation of Objective Requirements on Vehicle Steering System

Series: Verkehrstechnik/Fahrzeugtechnik

Volume 819 2023

Results in this title

Requirement-Based Module Design Using Solution Spaces S. 153-188

„… ) andsteering performance [82].Correlation of Design CriteriaSample-Size: 10.000Steering Performance …” „… satisfy the defined performance criteria (e. g., maximum vibration level) or not.By repetitive Monte Carlo …” „… Meta-ModelInitial DesignSpaceEvaluate Performance at current designSampling#1..mParameter setsCriteria …”

Introduction S. 1-12

„… “corridors”, which satisfy specified design criteria.Note that thereby no singular exact parameter values are …” „… criteria formulatedat the level of subsystems and modules.Model ValidationDecoupling CouplingObjective …” „… Criteria Vehicle LevelObjective Criteria Subsystem LevelSimulation Vehicle LevelSimulation …”

Conclusion S. 189-194

„… performance of the complete vehicle.8.1 Summary and Discussion 1918.1.4 Resulting Subsystem RequirementsBy …” „… limits, the performance at vehiclelevel is predictable. In this manner, target mismatch can be detected …” „… the final vehicle performance basedon iteratively assembled subsystems yields more accurate and more …”

Resulting Subsystem Requirements S. 123-152

„… Vehicle Transfer Impedance A12G5 10 15 20 25 30104105106Figure 6.2: Vehicle performance based on different …” „… [84].6.1.1 Predicting Vehicle Performance with Directly Assembled SubsystemsEquation (3.84) in Sec. 3.3.1 …” „… φFigure 6.3: Comparison of phase angle and predicted vehicle performance using different limiting …”

doi.org/10.51202/9783186819123

VDI Wissensforum GmbH - Kunststoffe im Automobilbau 2016

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VDI Wissensforum GmbH (ed.)

Kunststoffe im Automobilbau 2016

Series: VDI-Berichte

Volume 4342 2016

Results in this title

J. M. Fiard, J. M. Cardona, P. Gauquie Plastic oil pan design for an optimized gasoline engine – Project management of novelty by failure mode analysis S. 185-196

„… performance / mass ratio. To illustrate this point, we show in Fig. 2 a benchmark for cylinder blocks in …” „… performance index taking into account engine power, engine torque and NVH performance. One can see that the …” „… associate physical criteria which can be measured or calculated for each pair (failure mode, solicitation …”

L. Gervat, M. Lacuve, J. M. Fiard, G. Gauge, F. Bekaert Determination of thermal damages undergone by plastic parts in stochastic environments: application to air ducts S. 107-120

„… molecular weight. These degradations affect – and may be characterized by – many criteria such as visual …” „… performance and lifetime prediction» 2013. [9] «CAMPUS(r),» [on-line]. Available …”

doi.org/10.51202/9783182443421

VDI Wissensforum GmbH - Plastics in Automotive Engineering 2016

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VDI Wissensforum GmbH (ed.)

Plastics in Automotive Engineering 2016

Series: VDI-Berichte

Volume 4343 2016

Results in this title

J. M. Fiard, J. M. Cardona, P. Gauquie Mécaplast Plastic oil pan design for an optimized gasoline engine – Project management of novelty by failure mode analysis S. 181-192

„… performance / mass ratio. To illustrate this point, we show in Fig. 2 a benchmark for cylinder blocks in …” „… performance index taking into account engine power, engine torque and NVH performance. One can see that the …” „… associate physical criteria which can be measured or calculated for each pair (failure mode, solicitation …”

L. Gervat, M. Lacuve, J.M. Fiard, G. Gauge, F. Bekaert Determination of thermal damages undergone by plastic parts in stochastic environments: application to air ducts S. 105-118

„… molecular weight. These degradations affect – and may be characterized by – many criteria such as visual …” „… performance and lifetime prediction» 2013. [9] «CAMPUS(r),» [on-line]. Available …”

I. Kleba, J. Emig Innovative PUR surfaces – self-healing and more S. 29-44

„… in the interior of a vehicle. Here additional criteria must be satisfied, in solar simulation and …” „… aspect. Even these criteria specific to the steering wheel are satisfied by a special puroclear …” „… agent. This means that with performance of this kind it is entirely justified to speak of a …”

doi.org/10.51202/9783182443438

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