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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

M. Kneißler, R. Welter, M. Baumann Entry hybridization of manual transmission drivetrains – A review of P0/P1 structures with an automated clutch S. I-305-I-322

„… automated clutch Markus Kneißler, Dr. Roland Welter, Matthias Baumann, Schaeffler, Bühl 1 …” „… . Introducing an automated clutch and a coasting strategy in the first step allows CO2 savings of 3 % to 5 …” „… stalling. 6. Ways to design an automated system with a single clutch (E-Clutch) There are three …”

F. Mühlfeld, M. Hochrein, N. Schmidt-Winkel, J. Buhl Electrified automated manual transmission (eAMT) – Synergies by combining an electric drive with an automated transmission S. I-197-I-210

„… automated manual transmission in an eAMT system clearly approaches the automatic and dual-clutch …” „… Electrified automated manual transmission (eAMT) Synergies by combining an electric drive with …” „… an automated transmission Dr.-Ing. Florian Mühlfeld, Dipl.-Ing. Matthias Hochrein, Dipl.-Ing …”

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

„… 1 structures with an automated clutch …” „… , Bonn Main topics: Automatic and dual clutch transmissions Transmission topologies as part of …” „… . Donges, F. Jauch, ZF Friedrichshafen AG, Friedrichshafen Enhancement of a dual clutch transmission kit …”

T. Smejkal, C. Wirth Innovative transmission topologies using the example of a P2-hybridtransmission for front-transverse applications S. I-147-I-162

„… increasing prevalence of automated transmissions in the area of compact, front-driven vehicles. The …” „… axial length. Existing serial solutions for automated transmissions aim to reduce installation space by …” „… nesting conventional elements or replacing friction discs by compact dog clutches. Furthermore, an often …”

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 S. I-163-I-180

„… two-mode hybrid system Mode M1 M2 M3 Closed clutches/brakes C1 & B2 C1 & C2 C1 , 0 0 1 , 1 2 1 The …” „… automated generation, or synthesis, of DHT topologies [3]. The generation of many topologies does, however …” „… itself. For the interested reader, the automated generation of the parameters is explained in detail in …”

G. van Spijk, A. Klaassen, A. van der Leest, A. Brandsma, M. Tweehuysen CVT: dedicated to hybrid solutions – Setting the benchmark on all KPI’s S. I-65-I-78

„… total world vehicle production growth and the increasing share of automated transmissions in vehicles …” „… last, the trend towards automated driving may push the need for the high comfort level of a CVT even …” „… connected to the e-machine. Further main components are transfer gears, a park lock and two clutches C1 and …”

R. Heckmann Fully automated EOL E-drive testing – Automation and modularity for efficient testing solutions S. II-73-II-84

„… Fully automated EOL E-Drive Testing Automation and modularity for efficient testing solutions …” „… Abstract E-Drives are a challenge in automated EOL testing. Where a test bench in the past was primarily …” „… suitable for all kinds of transmissions, ranging from manual to automatic, CVT, double-clutch and recently …”

D. Evenschor, D, Dennin, P. Tenberge Automated design concept generation of automatic transmissions – Design concept generation based on results of transmission synthesis S. I-181-I-196

„… Automated design concept generation of automatic transmissions Design concept generation based …” „… and losses). Automated design concept generation whereas increases topology’s evaluation level by the …” „… objectively calculated criteria. Additionally, automated generated design concepts can be used as basis for …”

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) S. I-323-I-346

„… Investigation of Gear Shifts in a Parallel-Series Hybrid Powertrain with Dog Clutches in a …” „… by coupling two identical electric motors and an internal combustion engine via an automated …” „… performed without interruption of driving force. Form-locking dog clutches are used as shifting elements …”

K. Bennewitz, A. Mann Powertrain electrification exemplified by the VW Golf S. II-135-II-168

„… 6-speed dual-clutch transmission which compactly incorporates a permanent-magnet synchronous …” „… , Jetta Hybrid 1.4l TSI with DQ200E dual-clutch transmission, XL1 PHEV 0.8l TDI with DQ200E dual-clutch …” „… , VDI-Berichte Nr. 2328, 2018144 Golf GTE PHEV 1.4l TSI with DQ400E dual-clutch transmission, Passat GTE …”

M. Werra, A. Ringleb, C. Sieg, F. Küçükay Thermal behavior of 48 V hybrid systems S. I-529-II-VI

„… directly connected to the gearbox module. This launch element can be a frictional clutch, a torque …” „… machine is positioned after the clutch and before the transmission, which is a Dual clutch transmission …” „… . Rochlitzer, AUDI AG, Ingolstadt Fully automated EOL E-drive testing – Automation and modularity for …”

L. Dedeleit, M. Ayeb, L. Brabetz Short circuit calculation of permanent magnet synchronous machines with comsol multiphysics S. II-197-III-VII

„… Automated gearbox synthesis and evaluation of electric power-split transmissions …” „… Mobima, Karlsruhe Efficient development by means of automated calibration of tractor control units …” „… position to achieve higher shifting comfort and safe dog clutch engagement …”

N. Dudin, S. Ott, A. Albers, R. Misch, T. Rochlitzer Virtualizing validation processes of electrified powertrain generations S. II-47-II-72

„… , Ingolstadt ABSTRACT As the four automotive megatrends; electrification, automated driving, diverse …” „… clutch, torque converter, gearbox, differentials and drive shafts, as well as the separation clutch and …”

doi.org/10.51202/9783181023280

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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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

„… Development of a method for the automated validation of the shift quality of modern dual clutch …” „… particularly evident in the example of validating the shift quality of modern dual-clutch transmissions, where …” „… method for automated validation of shift quality on full vehicle test benches, the following chapter …”

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

„… multi-disc clutches. One key element of this approach is an automated component dimensioning combined with a …” „… is presented in this paper: A novel approach for the fully automated concept design of dedicated …” „… market. To solve this conflict, a new approach for the fully automated generation and optimization of …”

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

„… , series-production experience has been gained for automated manual transmissions, dual-clutch transmissions and …” „… Freudenberg Sealing Technologies. The latter has already been used millions of times for shifting automated …” „… manual transmissions or dual-clutch transmissions in conjunction with a combustion engine. When …”

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

„… hofer H8-DCT-850 – High Performance Dual Clutch Transmission for transaxle application …” „… Abstract The new H8-DCT-850 eight-speed dual-clutch transmission has been designed and developed by hofer …” „… Input Torque 850 Nm Max Transient Torque 1150 Nm Clutch Fill Time 50 ms Input Shaft to Ground Line …”

C. Schmidt, H. Dhejne, J. Karlsson High Efficient 2 speed e-Axle – Highly efficient and shiftable under load S. 145-158

„… featuring single dry-clutch transmission and utilizing high-speed E-machine is the right answer to fulfill …” „… solutions enable state of the art efficiency and affordability by utilizing dry clutch and high speed …” „… - Single Clutch - High speed e-motor - Smart actuator - Power shift And key performance targets: Fig …”

G. Brudeli, B. Vestgård, S. Bjørkgård, L. Bjørkhaug Sustainable drivetrain architecture for hybrid and electric trucks S. 567-580

„… including powershift. The technology is targeting Heavy Duty (HD) truck Automated Manual Transmissions (AMT …” „… the motor and clutch C1. The electric motor E2 is either connected to the input shaft via C1 and iX …” „… for both fuel optimization and driver comfort Geared motors and clutches for reduced weight and …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… automated validation of the shift quality of modern dual clutch transmissions on full-vehicle test benches …” „… Hybrid Dual Clutch Transmission (HDCT) – Electrification of TREMEC’s high performance dual clutch …” „… H8-DCT-850 – High Performance Dual Clutch Transmission for transaxle application …”

A. Ramsauer, A. Pujari Frontloading for (Hybrid-) Transmission Integration at BMW S. 101-116

„… approach, which is to further close the gap between multi-faceted subjective perception and its automated …” „… , component testbeds, …). BMWs quality claim towards driveability evaluation in automated transmissions must …” „… ) and oncoming (MC2) clutches. The influence of each of these variables on the shift characteristic …”

P. Barve Gear Design Challenges of 2-speed-AMT High Torque E-Drives S. 499-516

„… & control (fully automated factories). Fig. 1: VCST strategy VCST e-Drive department offers a …” „… uses e-synchronization and its patented dog clutch system to achieve short shift times and is …” „… inexpensive compared with friction clutches. The 2-Speed AMT gearbox is suitable for SUVs, sports cars …”

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

„… ). Electrically-piloted dog clutches belong to AMT (Automated Manual Transmission) category. The drawbacks of the former …” „… clutches – belonging to AMT (Automated Manual Transmission) shifting category – are one of the most …” „… P erformances V alidation of an electrically- commanded dog clutch system for multi- speed and …”

K. Seno Prediction for the service lives of drive-train units by model-based development with the measured operational conditions S. 561-566

„… accordingly the vehicle model was run. Automated Manual Transmission (AMT) can be evaluated by connecting an …” „… reliability for the components of drive-train units (e.g. clutch, differential gear and shafts) and also the …”

M. Häßler, O. Werner The Pendulum Rocker Damper – Providing flexible damper characteristics for hybrid powertrains S. 329-346

„… for decades. Particularly with regard to damper design, standardized and automated processes are …” „… secondary side forced by the electric motor or a clutch. In the new constellation, the damper is thus …” „… not contain any separating elements in the form of a friction clutch (e.g. power splitters) or if dog …”

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

„… the desired speed. A simplified transmission without additional passive dampers or clutches will …” „… here as well. When the power demand is high, the wheel is directly connected to the ICE via a clutch …” „… continuous application of virtual development [10], automated optimization and calibration, the objective …”

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

M. Hochrein, F. Mühlfeld, J. Buhl CBW system by ZF – maximum efficiency with maximum acceptance – Maximum efficiency with maximum acceptance S. 109-120

„… clutch-by-wire which means automated clutch actuation system. But there are more good reasons for this …” „… in automated gearboxes. ZF is convinced that clutch-by-wire technology is a right answer to the …” „… automated clutch actuation freewheeling functionality can also be realized in manual transmission cars …”

P. Maurel, B. Bradaï, T. Heitzmann, V. Picron, R. Randriazanamparany, D. Taccoen Entry Mated©: An automated vehicle traffic jam assist function for three pedals entry cars S. 531-542

„… automation of the clutch. First It will introduce the different automated driving levels for autonomous …” „… Entry Mated©: An automated vehicle traffic jam assist function for three pedals entry cars Ing …” „… vehicle and robotized clutch systems. Then it will summarize which level can be reached with the different …”

J. Willert, C. Bünder Modular and Scalable Approaches in Layshaft Transmission Design S. 167-176

„… can cover the whole range from manual, automated manual, dual-clutch and advanced hybrid …” „… hand necessary to enable economies of scale. For example, these can be shift and clutch actuation …” „… to the intrinsic efficiency they have: Clutches aside, the load path is entirely made-up of …”

R. Welter, M. Kneißler, M. Hausner, D. Schulteis The Fascination of Clutch-by-Wire S. 121-136

„… . - Reduction in fuel consumption The automated clutch facilitates a reduction in fuel consumption and CO2 …” „… rotational irregularity through permanent clutch slip with an automated clutch, it is necessary to put …” „… of an automated clutch can definitely lead to an improvement in torsional vibrations and even to the …”

D. Kupka, P. Tenberge Automated concept design for the evaluation of favourable AT structures S. 193-206

„… Automated concept design for the evaluation of favourable AT structures Daniel Kupka M.Sc, Prof …” „… . The synthesis result of those programs is a structure coding. From that state the automated …” „… automated in the synthesis routine. This means a reduction of the manual design work in the early …”

Preface S. 1-2

„… automated driving. Within the VDI-Congress in 2016 “Drivetrain for Vehicles – Drivetrain – Integration …” „… , • concepts for dual clutch, automatic and manual transmissions, • driveline-components and materials …”

R. König, A. Viehmann, S. Rinderknecht Development of the transmission control for a High-Speed Multi-Gear Powertrain Concept for Electric Vehicles S. 543-562

„… driving mode changes are performed with dog clutches. Synchronization can be done by controlling the speed …” „… twospeed transmission (STM2) using well known technology from automated manual transmissions (AMT). STM1 is …” „… from SM to SF are from GETRAG series production. The dog clutch as shown on the right was designed by …”

M. Spreckels, U. Christoffer Efficient synchronizer for comfort and performance – increase of manual and dual clutch transmissions S. 207-220

„… . Abstract Synchronizers are an important element of all manual, automated manual and dual clutch …” „… Efficient synchronizer for comfort and performance increase of manual and dual clutch …” „… in passenger vehicles. Today synchronizers are an important element of all manual, automated manual …”

A. Lampe, U. Mettin, R. Serway Clutch control of stepped automatic transmissions by using a virtual DCT-structure – Power shifts made easy with generic control software S. 405-420

„… Clutch control of stepped automatic transmissions by using a virtual DCT-structure Power …” „… transmission (AT) structure by using a power shift control scheme of a dual clutch transmission (DCT). The …” „… market: dual clutch transmissions (DCT), which VDI-Berichte 2276, 2016 405 equal an arrangement of two …”

S. Foulard, S. Rinderknecht, R. Fietzek Paradigm Change in Transmission Design by Online Condition Prediction – Cost- Efficient and Resource-Optimized Lightweight Design based on the eLIFE and ecoLIFE3 Concepts S. 515-530

„… example of two concrete application cases, namely a manual and dual clutch transmission (DCT). Furthermore …” „… introduce new ways to operate automated transmissions, for example with damageoriented operating strategies …” „… 0 5 10 15 20 25-1000 0 1000 2000 time in s si de s ha ft to rq ue in N m clutch 1 - CAN (abs …”

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

„… enabling the efficient and automated analysis of such transmission systems. 2.1 State of the art …” „… together with the calculation method from VDI 2157 enables an automated analysis of kinetics, kinematics …” „… , dual clutch transmissions can also Continuously Power split Direct Positive engagement Electrical …”

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

„… Energy Saving Potentials by Advanced Functionalities of Clutch or Brake actuator Systems for …” „… transmissions. These transmissions and clutches or brakes are mostly hydraulic solutions. The conventional …” „… automatic transmissions, the dual clutch transmissions as well as the CVTs and partly future 2-3 gear …”

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

„… technologies like a damped clutch disc (DCD), DCD with special second stage, DCD with a centrifugal pendulum …” „… major transmission types: MT (manual transmission), AMT (automated manual transmission), DCT (double …” „… clutch transmission), AT (automatic transmission), P2-Hybrid and CVT. For the shown damper concepts the …”

M. Seeberger, P. Leipold, R. Schmelzer 8-speed transmission development for motorsport application S. 397-404

„… the introduction of an automated 8-speed automatic transmission for volume production passenger cars …” „… planetary gear-set when compared to a conventional manualshift solution with clutch system - Advantage of …” „… converter or the associated lock-up clutch. This innovation has reduced the system weight compared to the …”

doi.org/10.51202/9783181022764

VDI Wissensforum GmbH - International Conference on Gears 2017

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2017

Series: VDI-Berichte

Volume 2294 2017

Results in this title

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

„… dry fiction clutch. The proposed system allows a seamless shifting between any two speeds in an …” „… efficiency and shifting comfort when compared to the automated manual transmission with same transmission …” „… simulation and experiments on the two-speed automated manual transmission (AMT) are studied [3], and an …”

doi.org/10.51202/9783181022948

VDI Wissensforum GmbH - Kupplungen und Kupplungssysteme in Antrieben 2021

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VDI Wissensforum GmbH (ed.)

Kupplungen und Kupplungssysteme in Antrieben 2021

Series: VDI-Berichte

Volume 2382 2021

Results in this title

M. Hoić, B. Škugor, A. Miklik, J. Deur, A. Tissot Experimental characterization and modeling of dry clutch wear with emphasis on fading effect S. 265-278

„… been introduced in clutch-by-wire (Eclutch) [3, 4], Automated Manual Transmissions (AMT), Dual Clutch …” „… , H.; Kim, H.S.; Hwang, S.H.: Design and implementation of clutch-by-wire system for automated manual …” „… friction [2]. While typically associated with manual transmissions (MT), automated dry clutches have also …”

D. Groetsch, K. Voelkel, H. Pflaum, K. Stahl Echtzeit-Temperaturberechnung und Temperaturprädiktion nasslaufender Lamellenkupplungen S. 115-128

„… Real-Time Temperature Calculation and Temperature Prediction of Wet Multi-Plate Clutches M.Sc. D …” „… clutches are within safety-critical areas since malfunction or failure of the clutch is often equivalent …” „… clutches is the temperature on the friction interface. Owing to the thin, rotating geometry of the plates …”

J. Köber, M. Gärtner, A. Albers Entwicklung einer Methode zur Effizienzsteigerung des Manövertransfers auf Gesamtfahrzeug- und Rollenprüfstände am Beispiel der Validierung der Schaltqualität S. 29-42

„… transferred into a suitable format so that automated validation on alternative validation environments is …” „… rollertest bench carried out with dual clutch transmissions. Innovative Automotive Transmissions, Hybrid …”

doi.org/10.51202/9783181023822

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