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VDI-Wissensforum GmbH - DRITEV – Drivetrain for Vehicles 2021

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VDI-Wissensforum GmbH (ed.)

DRITEV – Drivetrain for Vehicles 2021

Series: VDI-Berichte

Volume 2381 2021

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T. Hillesheim Energy-efficient Hydraulic Control for the Multi-speed Transmission of an Electric Vehicle S. 319-328

„… that are often driven on the highway. This design is accompanied by lower efficiency in the urban …” „… design the traction motor for long-distance highway driving. Electric drives are intended to achieve …” „… design as a three-speed transmission could make sense. A fuel consumption simulation in WLTP also shows …”

D. Morgenweck, M. Großmann, W. Fakler, M. Lamke, F. Bitzer ZF E-Mobility Software Functions for Commercial Vehicles S. 703-718

„… , if the design of the cooling system enables to interchange heat between different circuits waste …” „… different models for the Chinese market that have the same design concept but are developed according to …” „… volume-production products in the AT segment. The carry-over of components and parts as well as proven design …”

P. Geskes, J. Treier, M. Moser MAHLE 48V Battery for Truck applications S. 581-592

„… low-temperature circuit. The need for a secondary circuit with refrigerant, shown in Fig. 3, is therefore …” „… Fig. 2: MAHLE 48-volt MHEV Battery 1 kWh – exploded view Fig. 3: Cooling circuit with low temp and …” „… secondary circuit Fig. 4: Cooling circuit with low temp circuit VDI-Berichte Nr. 2381, 2021586 In case …”

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

„… housing design. Fig. 9: Active lubrication circuit . Status and outlook The first prototype unit has …” „… challenging package envelope, and based on detailed energy consumption simulations. The final design includes …” „… . Fig. 5: Stick diagram To realize the required total gear ratios, a 4-stage design has been selected …”

C. Schörghuber, M. Ortner, J. Pell, S. Pretsch Holistic system design and operation of a fuel cell truck based on an innovative energy management S. 685-700

„… heat is generated) and the designated cooling circuit(s) have a rather low thermal capacity. Therefore …” „… Holistic system design and operation of a fuel cell truck based on an innovative energy …” „… installation space in the vehicle the system design is challenging. The focus for system design is on fuel …”

F. Bayer, J. Tochtermann Development of a Heavy-Duty E-Axle S. 621-636

„… AVL-designed HM-132 e-motor was selected. As the original design neither fulfilled the power nor the packaging …” „… contains two major parts. The first describes how the design solutions are derived from a “stick diagram …” „… design topics, such as e-motor development, E/E, cooling and controls concept. E-Axle for Heavy-Duty …”

A. Nees Flexible Electro-hydraulic Actuation System for Multi-speed Electrified Drivetrains – Requirements and Concept S. 275-290

„… the anyway required oil circuit. They can be designed according to individual requirements and …” „… gear sets or layshaft designs in most cases. The shift from first to second gear or back must not be …” „… layshaft designs the typical DCT-like architecture is used, including friction clutches and synchronizers …”

A. R. Lowis, R. Smith hofer H8-DCT-850 – High Performance Dual Clutch Transmission for transaxle application S. 179-190

„… more aggressive vehicle design proportions. A P2.5 hybrid topology has been designed, moving the …” „… taken during design and development to ensure the requirements were achieved successfully …” „… . Transmission Concept Overview The H8-DCT-850 is a three-shaft design, incorporating a single split input shaft …”

M. Hein, J. Pellkofer, K. Michaelis, T. Tobie, K. Stahl, D. Kadach Test method A/16,6/90 with injection lubrication for discriminating different lubricants for dual-clutch transmissions S. 437-452

„… considered within the design of a gear set and the whole gearbox. Therefore special lubricants for different …” „… consequential failures and partially even to a total break-down of the gearbox. The safe design of the …” „… development and design. As experiences show that established lubricant tests for evaluating the scuffing load …”

K. Hirano E-Axle with multi driving modes for BEV & Mild HEV P4 – The 3 in 1 e-Axle for EV requiring a wide range of driving force S. 229-240

„… possible. In other words, a package design with lower power consumption, higher driving performance, and …” „… circuit use, there are limitations to the driving scenes that can be covered in the high efficiency range …” „… more stable driving and contributing to greater freedom in interior and exterior design. For example …”

R. R. Kasibhatla, P. Neidhardt, K. Caliskan Thermal Simulation according to Maturity Level in E-Drive Development S. 61-76

„… demands detailed design of electric drive. Thereby, such detailed modelling and simulation can be …” „… velocities can be achieved via design optimization of the cooling channels for available flow rates. The …” „… cooling circuit in an ZF electric axle Alongside high cooling power, homogenous temperature …”

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

„… Holistic Design of All-Wheel Drive Electric Powertrains Using a Multi-Objective Optimization …” „… cost. Applying an open-source EM design tool, both induction machines (IMs) and permanent magnet …” „… are calculated. To identify optimal solutions among the huge number of possible design candidates, a …”

A. Drechsel, J. Pellkofer, K. Stahl, J. Sandor, M. Hein Development of a new test method to investigate the wear behaviour of hypoid gear oils S. 453-468

„… test rig, which works according to the principle of a closed power circuit (see Fig. 2). Two hypoid …” „… breakage should be reliably avoided due to the design. Table 1: Basic geometry data of the hypoid test …” „… . Due to the design of the test rig, only the wheel is removed for weighing. This ensures that the …”

G. Sandkühler Heavy Duty Vehicles with Electric Drive Train and Hydrogen Fuel Cells as Range Extender S. 701-702

„… hydraulic pressure derived from the hydraulic supply circuit for the rear axle. Electric power is supplied …” „… , secondary cooling circuit by a plate heat exchanger, the primary cooling circuit is due to this separation …” „… secondary cooling circuit is at approximately 70 litres per fuel cell. VDI-Berichte Nr. 2381, 2021702 …”

H. Wittig, J. Engasser, A. Glavinic AEROFLEX – Distributed Hybrid Drivetrain for Long Haul Freight Vehicles S. 593-608

„… torque vectoring capability is not provided. The electric powertrain contains two cooling circuits …” „… Dolly as designed Fig. 8: Smart Power Dolly 6 Testing and Results The EMS1 demonstrator vehicle …”

doi.org/10.51202/9783181023815

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

D. Engelmann, W. Müller, M. Geimer Project “Line Traction 3” – Mechanical driveline with activewheel hubs S. 731-742

„… . Thanks to the hydraulic circuit, the torque transmitted to the wheel is not affected during the …” „… demonstrator with hydraulic circuit plate. [2] Table 1: Technical specifications of the demonstrator …” „… Stationary gear ratio 5 [-] Hydrostatic part High pressure part of hydraulic circuit 420 bar Low pressure …”

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

„… 's hydraulic circuit features a variable design and can be adapted to the various requirements of all …” „… , 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 …”

F. Brezger, A. Moser Energy Saving Potentials by Advanced Functionalities of Clutch or Brake actuator Systems for Vehicle Drivetrains S. 137-156

„… are always neglected in this paper, as these occur in each hydraulic circuit. However, in various …” „… the FWD clutch runs as follows: it starts at the exit of the internal circuit of the pump (so-called …” „… savings by secondary effects by design of the pump and system architecture. Assuming a possible lowering …”

C. Ott, S. Eisenhuth, F. Jonas, T. Hofmann New Generation of Hydraulic Control Modules with Integrated Pressure Sensors for Transmission Control S. 243-256

„… the capability of this design idea in terms of designed space reduction a study has been performed …” „… actuated. A design study impressively shows that both the designed space and the weight of the actuation …” „… Design Robert Bosch GmbH is one of the leading manufacturers for both actuators and electronics for …”

M. Kraft, W. Pflieger, S. Henzler, C. Nizzola, S. Rinderknecht Simulation-based study of drivetrain electrification to improve driving dynamics S. 177-192

„… method to handle complex solution spaces of designing electrified powertrains is the Design of Experiment …” „… design of hybrid powertrains enables reproducible driving dynamic improvements. Holistically, these …” „… research. Objective of this paper is to investigate correlations between these design variables and their …”

B. Löffler, J. Patzner, M. Drabek, K. Armbruster Modular 8-Speed Hybrid Dual Clutch Transmission With Integrated All-Wheel Distributor by ZF S. 85-100

„… transmission system was developed based on a completely new 8-speed dual clutch transmission design (8DT) for …” „… can be combined in any way. VDI-Berichte 2276, 201686 2.2 Design of the 8DT The very narrow dual …” „… drive unit via a diagonal side shaft. Another design feature: Since the new dual clutch transmission has …”

S. Heller, S. Heppel The new BMW hybrid powertrain with eight speed hybrid module S. 353-368

„… design length of the electric machine, the transmission design is realized still sufficiently compact so …” „… electric machine With respect to its mechanical and electromagnetic design, the electric machine was …” „… primary cooling oil circuit of the transmission. Whereas the rotor is cooled by oil spray the stator has …”

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 …” „… transmission oil circuit for transmission control and lubrication/cooling Transmission control with control …” „… (park-by-wire) The premise of the project was to adapt the design of the transmission variant for AMG in the …”

doi.org/10.51202/9783181022764

Bernhard Geringer, Hans-Peter Lenz - 40. Internationales Wiener Motorensymposium 15.-17. Mai 2019

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Bernhard Geringer (ed.), Hans-Peter Lenz (ed.)

40. Internationales Wiener Motorensymposium 15.-17. Mai 2019

Series: Verkehrstechnik/Fahrzeugtechnik

Volume 811 2019

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V. Verdino, P. Lavazza, D. Rampone, L. Garzarella, A. Mogavero, A. Vassallo, J. Barta, J. Catalogna, S. Franco, C. Marlett, M. Umierski Der neue General Motors 3,0 Liter Duramax Diesel-Sechszylinderreihenmotor für die 2019er Modelle des Chevrolet Silverado und des GMC Sierra /The New General Motors 3.0 Liter Duramax Diesel Inline 6-Cy...

„… continuous Variable Displacement Oil Pump (cVDOP) in the circuit design (Figure 24). The cVDOP can supply the …” „… . Different turbocharger sizes and EGR circuit design combinations were evaluated. As a result, by means of …” „… combined 1-D and 3-D CFD simulations, the detailed design of the EGR circuit was defined in order to …”

K. Philibert-Palmer, C. Dicken, D. Mumford, M. Harper Das innovative Erdgaseinspritzsystem Westport HPDI 2.0 - C02-Einsparungen bei schweren Nutzfahrzeugen mit Flussigerdgas als Kraftstoff /The Innovative Westport HPDI 2.0 Natural Gas Injection System - ...

„… circuit volume is kept small by utilizing a concentric plunger design for both the gas and pilot control …” „… . This presents some unique challenges to the complete system including the injector design. Some of …” „… pressure diesel return circuit 3. Contain high pressure diesel fuel and high pressure gaseous fuel 4 …”

B. Lehman, K. Luchansky, C. Mariott, S. Shin Der neue 2.7L Turbomotor von General Motors/The New 2.7L Turbo Engine from General Motors

„… Global Propulsion System Integration – Craig Marriott Design System Engineer – Steve Shin General Motors …” „… architecture, mechanical design, and integration of these core CO2 enabling technologies will be described. The …” „… Beitrag werden die Architektur des Motors, das mechanische Design und die Integration dieser …”

D. Choi, Y.-S. Kang, l.-C. Cheong, Y.-R. Chung, J.-K. Lee, J. Chun Der neue Hyundai-Kia 2.2L Vierzylinder Dieselmotor - Smartstream D2.2 FR/The New Hyundai-Kia 2.2L 4-Cylinder Diesel Engine - Smartstream D2.2 FR

„… cylinder block. Cooling circuit, intake and exhaust layout were optimized to accommodate design boundary …” „… Entwicklungshintergrundes wird das Designkonzept, die integrierten Kerntechnologien und deren Einfluß auf das Design sowie …” „… and purpose, key design concept, development objectives, core technologies that influenced design …”

T. Tabata, H. Shibata, H. Katsurahara, Y. Konishi Weiterentwicklung eines flexiblen Motorsteuerungssystems für Benzinmotoren unter Berücksichtigung zukunftiger Elektrifizierung /Evolution of Versatile Gasoline ICE Core System, Considering Future Elec...

„… the spring mass system including the needle, the magnetic circuit and the remaining magnetism. The …” „… be prevented due to this thin film [2]. Fig12. DENSO New Nozzle Design Fig.13 shows the spray …” „… . Internationales Wiener Motorensymposium 2019 - 275 - Fig.13 Spray Characteristics of New Nozzle Design 4-3 …”

T. Reuss, N. Ardey, M. Schober, M. Deblaize, J. Helbig, A. Wetzel Der neue AUDI 3.0I V6-TDI Gen.3 mit elektrisch angetriebenem Verdichter (EAV)/The New Generation of the Audi 3.01 V6 TDI Gen.3 Engine with Electric Compressor

„… start-off acceleration. Upgrades to the cooling and oil circuits, measures relating to the crank drive …” „… Design ähnelt einem Doppel-S-Schlag. Durch die verbesserte Stegkühlung zwischen den Ein- und …” „… AdBlue-Mischers wurde unter Erhalt der Gleichverteilungsgüte spürbar reduziert. Nachdem das grundlegende Design …”

doi.org/10.51202/9783186811127

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VDI Wissensforum GmbH (ed.)

ELIV 2019

Series: VDI-Berichte

Volume 2357 2019

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L. Schindele, D. Schütz, F. Heber, P. Sailer, G. Le Hen, N. Müller Future e-mobility and the change in system requirements – The interplay between battery and thermal management for different mobility concepts S. 87-100

„… the thermal operating strategy and the thermal topology are decisive for the energy-optimal design of …” „… typically lead to other vehicle architectures and component designs than optimizing a vehicle for an …” „… parcel delivery, or vice versa. This represents a paradigm shift in vehicle design, with new …”

P. Gesner, F. Kirschbaum, F. Landenberger, J. Scheiffele, L. Morawietz, B. Bäker Modeling and identification of electrochemical energy storage for drive train development – Review and evaluation S. 101-114

„… presented. The literature indicates a recent emphasis on electrochemically-motivated equivalent circuit …” „… batteries for the design and dimensioning tasks on engine test benches. The modeling for such a …” „… mean battery power. The reason for this is the targeted application of the models for the design and …”

A. Kashyap, A. Gendron-Hansen, D. Sdrulla, B. Odekirk The Transition of EV Applications from Silicon to Silicon Carbide – Helping the power electronics design community overcome reliability challenges for EV applications that use silicon carbide S. 177-188

„… quality of the starting material to the quality of the processing or design. • Short-circuit withstand …” „… design community overcome reliability challenges for EV applications that use silicon carbide A …” „… such as silicon carbide (SiC) and gallium nitride (GaN) for future designs. The authors will also …”

F. Rennig, J. Barthel, M. Sanza, D. Tagliavia CAN FD Light – A novel communication bus supporting digitalization and customization of automotive lighting for the broad market S. 567-580

„… nowadays with Organic LEDs (OLEDs) automotive lighting has developed into an eye catching design element …” „… crystals and external driver circuits. Its tailored protocol structure ensures an efficient data …” „… , but vehicle developers and lighting designers are finding completely new and varied creative freedom …”

A. Schleicher Service-Oriented HPC Communication Standard for Vehicle Lifecycle Management S. 503-518

„… (HPCs) with considerable computing resources are found in most of today’s vehicle platform designs …” „… the previous generation of employed technology: Where ECUs with their single-core designs, limited …” „… . Multiple cores of even different design (e.g. RISC, DSP), Gigabytes of memory and Gigabit networking …”

T. Bürger, Kunal Goray, F. Berg, W. Resende Modular DC-DC converter for high-performance fuel-cell systems in trucks and buses S. 189-200

„… modular in its design and is unique in the fact that it is designed for the commercial vehicle …” „… and the air compressor which are both HV components and play a role in the design of the DC-DC …” „… circuit within the DC-DC converter VDI-Berichte Nr. 2357, 2019 191 Fig. 2: Illustration of a Fuel …”

M. Kleinkes, W. Pohlmann, C. Wilks Boost Safety & Styling for vehicle lighting – Individualization and new Functionalities S. 551-566

„… on a super-integration of one single silicon application specific integrated circuit (ASIC) supplying …” „… ) Especially for the LED pixel layer different designs are generally feasible. On the one hand the LED layer …” „… designs for HDSSL light sources Monolithic Pixelated LED Array Single Pixel LED Array Potential …”

A. Shomer The transition to HPC-based vehicle architectures – Cyber Security Implications S. 431-442

„… known as Guest to Host Escape. Alternatively, HPC architecture has introduced new security design …” „… into the design and production of vehicles with HPC architecture. Introduction Throughout recent …” „… significant change. After several decades of stagnation, during which the E/E design changed slowly and …”

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

„… design of embedded hardware and software systems,“ Journal of circuits, systems, and computers, Bd. 12 …” „… 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 …”

L. Krauß, E. Kögler, M. Bayer, S. Wiechmann, M. Worch, M. Mohamad Development of the Cockpit-UI/UX of the Taycan in an Agile Way – Less is More S. 67-78

„… designing, a good interaction designer that can layout the information in a way that will be easy to digest …” „… User Interface & Ergonomics were trained by agile coaches, Scrum and Design Thinking experts, finally …” „… right. The underlying maxim in system design "less is more" is a revolution in itself. For example …”

A. Magnuson Going from an Electronic Unit Centric Development to Application Software Centric Requires a Different Architecture Mindset in Automotive S. 239-254

„… design thinking in the commercial vehicle industry is still very much oriented towards a geometric …” „… provide the market with mass-produced cost efficient vehicles. Thus the overall design thinking, at least …” „… converter circuit to an application software entity where it might become a temperature, leads to that …”

B. Fähnrich, A. Körner Easy Integration of 48V Mild Hybridization by Dual Voltage Battery Management – Realizing CO2 saving potentials by low implementation efforts S. 139-152

„… small and micro vehicles generally do not have a separate water-cooling circuit for power consumers …” „… the target package space of existing 12V lead acid batteries and on the design of the cooling concept …”

M. Brunner, H. Adlkofer Hardware matters: how one chip can impact the security of a connected vehicle S. 455-468

„… change the vehicle design from scratch from both, the technical- and the design-perspective thereby …” „… multitude of different aspects impacting their design and use, such as a large and complex software base …” „… reverse engineering and refer to access or influence certain circuit paths on the chip. Hence, the use …”

S. Wagner, F. Wüst, S. Trampert, F. Sehr, A. Middendorf, O. Wittler, M. Schneider-Ramelow Condition monitoring for failure monitoring of power electronic assemblies S. 115-126

„… forecasts for power electronics in electric vehicles all the more important. The circuit approach presented …” „… Miller Plateaus, which is described in the previous chapter. A measurement circuit is developed and …” „… = 0.73 ) and time measurement. The parasitic inductivity of the gate circuit is quite high due to the …”

doi.org/10.51202/9783181023570

VDI Wissensforum GmbH - Technische Zuverlässigkeit 2021

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VDI Wissensforum GmbH (ed.)

Technische Zuverlässigkeit 2021

Series: VDI-Berichte

Volume 2377 2021

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A. Lange, K.-U. Giering, R. Jancke Wie Alterungsmodelle für integrierte Transistoren die Entwicklung zuverlässiger Systeme unterstützen S. 173-184

„… integrated circuit (IC) design as well. Its importance has been rising despite the pressure for cost …” „… impact on circuit performance can be virtually investigated by aging simulations in the design phase …” „… Zuverlässigkeit häufig in diesen Tests, z.B. nach AEC-Q100, identifiziert. Sie müssen dann in Re-Designs behoben …”

S. Kupjetz, T. Pfeiffer, J. Holz Entwicklungsbegleitende domänenübergreifende Zuverlässigkeitsanalyse von Einzelkomponenten bis hin zum Gesamtsystem am Beispiel einer Lithium-Ionen-Batteriezelle S. 185-196

„… , the effect of design specifications on (system) reliability can be calculated quantitatively down to …” „… of the technical system in the early phase of the design process. Often there are dependencies …” „… reliability data over the design process of different generations of the cell and battery pack is shown. The …”

D. Schepers, L. Bodenröder, J. Börcsök, F. Rieger Simulation und Analyse mechanischer Bremsenschocks an Elektromotoren S. 63-74

„… KG, Bruchsal. [2] ECSS, „Space engineering - Mechanical shock design and verification handbook …” „… by Brake Actuation on Electric Motors,“ International Journal of Circuits, Systems and Signal …”

doi.org/10.51202/9783181023778

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