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VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2019

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VDI Wissensforum GmbH (Hrsg.)

Dritev – Drivetrain For Vehicles 2019

Reihe: VDI-Berichte

Band 2354 2019

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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... S. I-21-I-48

„… configurations based on test bench measurements Andreas Viehmann, M.Sc., Jean-Eric Schleiffer, M.Sc., Prof …” „… . In the completed DE-REX project, the powertrain concept was tested both on a powertrain test bench …” „… reduction based on test bench measurements in the NEDC and WLTC. The electric energy consumption with the …”

H. Gürbüz, S. Ott, A. Albers Potentials for improving the system behaviour of highspeed clutches for BEV using optimal transmission springs S. I-265-I-278

„… models and test bench tests required for the accompanying and early validation of the system properties …” „… control under high speed conditions are to be demonstrated in test bench tests. In the procedure, the …” „… subsystems will be investigated using FEM and a test bench in order to determine today's limits and to work …”

A. Alkan Human/machine readable language representation method in HEV drivetrain testing S. II-125-II-140

„… various testing environments - system dyno, hardware in the loop simulation test benches, e-machine …” „… environments which can be grouped as follows: System Hardware in the Loop (HiL) Test Bench: The low voltage …” „… the power-electronics and the e-motor models. System Power HiL (Emulator) Test Bench: On these …”

R. Gat, M. Ehlen Virtual lubrication analysis – Simulation of oil flow in gearboxes using a novel lagrangian approach S. I-133-I-136

„… . Therefore, numerous different test scenarios have been evolved (tilt test benches, transparent housings …”

A. Moser, F. Brezger Efficiency improvements in transmissions using new latching technologies in clutch & hydraulic actuation systems S. I-427-I-446

„… disengages completely when pressure is further lowered. The test bench results with prototypes verify …” „… layout. Test Bench Measurement Results In order to proof function in several operating conditions an …” „… functional tests were all successful, now durability testing have to follow. Latching Valve Description …”

Titelei/Inhaltsverzeichnis S. I-I-I-XII

„… – Comparative assessment of electric and hybrid powertrain configurations based on test bench measurements …”

U. Stockinger, H. Pflaum, K. Stahl Single vs. multi-cone synchronizers with carbon friction lining – A comparison of load limits and deterioration behavior S. I-455-I-470

„… ., UBERTI, M. u. URBINATI, M.: GUDA-4 Multi Cone Synchronizer Dynamic Modeling and Experimental Bench Test …” „… experimentally using the component test rig SSP-180 and compared against each other. Different load stages were …” „… run in life cycle tests and the influences of sliding velocity, friction work and frictional power …”

P. Fietkau, N. Lamparsky, M. Felbermaier, A. Fröhlcke, T. Conze Holistic design approach for electric drives S. I-163-I-178

„… . to be incorporated in the process. Further, limit load spectra and test bench test programs are …” „… while simultaneously reducing development times and test vehicles per derivative. On the other hand …” „… design and simulation scopes and increasing use of virtual tests instead of real ones. Modern electric …”

D. Schweigert, M. Mileti, B. Morhard, M. Sedlmair, M. Fromberger, M. Otto, T. Lohner, K. Stahl Innovative transmission concept for hyper-high-speed electromechanical powertrains S. I-541-I-554

„… , extensive investigations on test benches and the first integration of a hyper-high-speed electromechanical …” „… purpose-built test-rigs. Additionally, two drivelines are to be integrated in existing electric vehicles …” „… integrated into the housing. The powertrain will be extensively tested at two test rigs at IMKT in Hannover …”

C. Dassler, M. Kurch, M. Nichols NVH-challenges and solution approaches in electric drive development from the supplier‘s view S. I-349-I-366

„… implemented and analyzed on a test bench, as well as the reference variant before. Fig. 9 shows the results …” „… : Test results of optimization Challenges and solutions of the system´s NVH behavior In order to …” „… E-Mobility or electrified platforms, it is rarely possible to test the NVH behavior in-vehicle early on …”

A. Grunwald Transmission system footprint related to fatigue, efficiency and NVH S. I-367-I-384

„… variable conditions. VDI-Berichte Nr. 2354, 2019 379 Worldwide Harmonized Light Vehicles Test Cycle (WLTC …” „… VDI-Berichte Nr. 2354, 2019 381 Based on results from shown way of working in Figure 15 a EOL-test procedure …” „… related to NVH. Other test features, e.g. drag torque performance, can be measured on EOLtester …”

R. Nasdal, K. Masser Diverse requirements, one product family – The HV Kit for LCV from MAGNA S. III-55-III-60

„… during fuel efficiency drives (identical state of charge at test start and test end). Furthermore, the …” „… ; U. Frey: Transmission Technology Contribution to CO2 Roadmap - A Benchmark, VDI Wissensforum (2018 …”

W. Wenzel, M. Eglinger, M. Li, C. Sieg, J. Hengst, F. Küçükay Next generation of 48V HEV S. I-295-I-312

„… recuperation levels, which cover a high share of the energy offered in the standard test cycles. The base …” „… which might not be fully covered in the test cycle, but can be addressed by eco-innovation credits …” „… driving cycles are considered: The Worldwide Harmonized Light Duty Vehicle Test Cycle (WLTC), and a …”

doi.org/10.51202/9783181023549

VDI Wissensforum GmbH - Powertrain Systems in Mobile Machines 2022

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VDI Wissensforum GmbH (Hrsg.)

Powertrain Systems in Mobile Machines 2022

Reihe: VDI-Berichte

Band 2402 2022

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R. Himmelsbach, J. Ziegler, E. Nachbaur eCVT for Tractors – Experience report about potentials and challenges S. 223-232

„… opportunity for electric power take off become possible. This report will provide insights on test bench …” „… . Test bench setup The above shown prototype transmission has been investigated on the test bench. To …” „… electric motors on the test bench setup are controlled via the inverter directly by the trans-mission …”

M. Birk, S. Biel Potential and Implementation of Neural Networks on Volume Production Control Units for Off-Highway Applications S. 233-240

„… ) test bench. If the output signals are within the expected range and VDI-Berichte Nr. 2402, 2022236the …” „… tool chain presented here, all necessary steps were implemented to train, test and transfer a neural …” „… directly subjected to a vehicle test and be validated like this. Fig. 1: Tool chain for training and …”

S. Mutschler eLION: A New Platform Approach for the Electrification of Mobile Machines S. 151-162

„… eGFZ9275 with the EMS1-13 motor on the test bench, and the final installation in the machine. Fig. 3 …” „… : EMS1-13 electric motor with eGFZ9275 2-speed gearbox on the test bench and in the demonstrator In …”

M. Pußack, L. Frerichs Electrification of linear positioning and working functions in mobile machines S. 199-210

„… tested on the test bench as well as in the mobile application. 3 Exemplary application 1: Positioning …” „… , were first checked by further analysis of test data. While the hydraulic solution provides …” „… tests is shown in figure 4. To check whether the requirements were met, the attainable motor torques and …”

H. Jahn Regulations and measures for limiting emissions from non-road mobile machinery in Europe S. 13-28

„… ) Current measurement methods Mobile machines and devices are tested on the engine test bench in the …” „… Non-Road Transient Cycle (NRTC) and the Non-Road Steady State Test Cycle (NRSC). These methods are al-ready …” „… B). During the test emissions must remain below the respective limits, which vary for different …”

S. Rinderknecht, S. Foulard, R. Fietzek Resource-efficient dimensioning, usage and maintenance of machine components through AI-based virtual sensors S. 241-XII

„… automatic calculation of driving cycles and test bench proce-dure was described. Finally, the cloud-based …” „… data (e.g. fatigue theory, development data, test rig results). The idea behind this is to generate a …” „… profiles. For cost and time reasons, simulations and few field tests mainly determine these requirements …”

L. Virnich, T. Durand, S. Schaub, S. Ghetti, D. Van der Put Optimization of powertrain layout to maximize benefits of an H2 internal combustion engine S. 79-94

„… engine. The simulation model has been matched with VDI-Berichte Nr. 2402, 2022 87test bench data. Load …” „… test engine and low-pressure optical chamber investigations are continuously being validated against …”

doi.org/10.51202/9783181024027

VDI Wissensforum GmbH - LAND.TECHNIK AgEng 2023

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VDI Wissensforum GmbH (Hrsg.)

LAND.TECHNIK AgEng 2023

Reihe: VDI-Berichte

Band 2427 2023

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V. N. Nguyen, W. Cho, K. Tokuda Outdoor computer vision for aiding agricultural implement hitching by autonomous tractor S. 533-540

„… established for localizing an implement with respect to a tractor. Bench tests and the tractor-implement …” „… corresponding offsets. The results of the bench test demonstrated that the computer vision could robustly detect …” „… evaluated through bench tests and implement hitching tests. These tests aimed to verify whether the computer …”

J. Konrad, C. Varlese, C. Junger, R. Krizan, P. Hofmann Fuel cell electric powertrain for the agricultural tractor – FCTRAC: development, performance, and benchmarking S. 49-56

„… coolant temperatures. Finally, the paper addresses the test bench validation of the FCTRAC powertrain and …” „… longitudinal dynamics model in MATLABSimulink. The models are parameterized with test bench measurement data …” „… test bench measurements at the Institute of Powertrains and Automotive Technology at TU Wien. Fig. 4 …”

E. Zamora, A. Benavent, M. Wójcik, C. Metz, T. E. Madsen Robot Operating System ROS 2 in safety critical agricultural robot applications S. 219-226

„… testing We envision a scenario-centric software testing approach. We introduce a Test Bench (figure 6 …” „… the Test Bench, we use pytest to leverage the Python ROS launch interfaces and the launch_pytest …” „… plugin. Fig. 6: Test bench VDI-Berichte Nr. 2427, 2023 223Space ROS is impacting safety …”

S. Becka CFD/DEM coupling for the optimization of air conveyor sections of pneumatic seed drills S. 413-416

„… via the riser pipe and the feed lines. The simulations were based on extensive bench tests. In these …” „… particle properties led to a good correlation with the bench tests, so that the settings could also be …” „… , equipment options) can be evaluated with regard to the required fan power. Based on this, tests to prove …”

T. Herlitzius, H. Döll, M. Lindner Tyre testing methodology to evaluate contact pressure distribution and simulation of the resulting soil compaction risk S. 247-254

„… test bench is the contact pressure distribution between the tyre and the surface as seen in Fig. 2. The …” „… at Dresden’s tyre test stand with the purpose to assess tractor tyres of the dimension 650/65R42 in …” „… subjected to representative wheel loads in the test rig and the resulting contact surfaces area and contact …”

J. C. Krause, N. Iqbal, M. Niemeyer, B. Thy, L. Plagge, H. Hollmeier, A. Ruckelshausen, S. Röttgermann, A. Tauber, J. Herbers, S. Menke, J. Hertzberg AI-TEST-FIELD – A Test Environment for the Automated Evaluation of Methods for Robust and Reliable Environment Perception S. 547-554

„… AI-TEST-FIELD – A Test Environment for the Automated Evaluation of Methods for Robust and …” „… objects like humans in the surroundings of a working machine is crucial. On the AI-TEST-FIELD typical …” „… test field recording of sensor raw data with repro-ducible scenarios and objects under varying …”

P. Riegler-Nurscher, M. Wenzlaff, H. Prankl, S. Stiene, R. Giaffreda Test Concepts AgrifoodTEF – The Test and Experimentation Facilities for AI and Robotics in the Agrifood sector S. 541-546

„… AgrifoodTEF – The Test and Experimentation Facilities for AI and Robotics in the Agrifood sector …” „… , Fondazione Bruno Kessler, Trento, Italy Abstract AgrifoodTEF is a network of test and validation …” „… . 2427, 2023542the possibility to reflect different regions in Europe within the tests and experiments …”

Titelei/Inhaltsverzeichnis S. I-XX

„… , Eindhoven, The NetherlandsA comparison between conventional calibration experiments and the Excavator Test …” „… , FinlandTraction test methods to assess the energy efficiency of agricultural tractors and tires 263L. Angelucci …” „… , K. Tokuda, National Agriculture and Food Research Organization, Japan Test ConceptsAgrifoodTEF …”

C. Hurd, J. Hollinger, T. Schuster, R. Schildroth Deploying Off-Road Autonomy at Scale S. 463-470

„… requirements and safety analysis, architectural design, implementation, test and verification, deployment, and …” „… important to rigorously test across the entire input space, including edge cases ○ A single blade of grass …” „… benchmark of efficiency for autonomous systems. This can be very helpful depending on the use case to ensure …”

E. Eder, U. C. Bicici, P. Riegler-Nurscher Evaluating the work quality of in-row hoeing systems using computer vision methods S. 477-482

„… Discussion To show the application of the method, a weeding test with 24 sample points on maize was conducted …” „… ] Bertoglio, R., Fontana, G., Matteucci, M., Facchinetti, D., & Santoro, S. (2020). Quantitative Benchmarking …”

F. Wohlfahrt, P. Heymann Potentials of Functional-electrified System Topologies for the Powertrain Design on Combine Harvester Applications S. 341-348

„… benefits of the system are discussed by performed in-field-tests in comparison to a conventional combine …” „… conducting a benchmark against a conventional LEXION 7600. VDI-Berichte Nr. 2427, 2023342Discussion of …”

doi.org/10.51202/9783181024270

VDI Wissensforum GmbH - International Conference on Gears 2017

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2017

Reihe: VDI-Berichte

Band 2294 2017

Treffer in den folgenden Teilen:

J. Champain, S. Dalle, M. Octrue Simultaneous experimental characterization of dynamic transmission error to noise and vibration behavior of a gear system under load S. 953-962

„… , etc… Test bench development The vibroacoustic transfer concept of the structure borne noise and the …” „… : Illustrations of the tested gearbox and test bench To enhance and be able to order the generation of …” „… bearings are applied. The test bench and gearbox housing are also designed to “optimize” the global …”

H. Schreiber, T. Röthlingshöfer Kinematic classification of a gearbox comprising separate thrusted teeth and its advantages regarding existing approaches S. 267-280

„… also by test bench results. Furthermore, using these considerations, an analyzation of the superior …” „… that ran inside test bench gearboxes show that those areas have been really within contact and …” „… bench trial with cyclic load using maximum acceleration moment (left) and after test bench trial with …”

B. Bauer, R. Hambrecht, A. Kube Thermal analysis and optimization of gearboxes by simulation S. 917-926

„… solutions have been built and tested on a test bench. Validation of simulation results The test bench A …” „… test bench has been set up in a square, containing two pairs of back-to-back connected gearboxes …” „… Fig. 12: Simulated Temperature for Concept 1 and Concept 2 Fig. 13: Test bench VDI-Berichte Nr …”

C. Gorla, E. Conrado, F. Rosa, F. Concli Austempered Ductile Iron (ADI) for gears: manufacturing, performances and tests S. 977-988

„… performed in the region between 10 and 10 cycles using a mechanical recirculating power gear test bench …” „… test bench two separate hydraulic circuits are present: one for the service gearbox and the hydraulic …” „… recirculating power test bench on meshing gears for pitting. The strength data obtained, after the necessary …”

M. Oehler, B. Magyar, B. Sauer A new standardizable calculation method to predict the efficiency of worm gear drives S. 363-372

„… carried out on the modular MEGT electrical wiring test bench. The basis of this test bench are two …” „… worm gear drive with a = 125 mm The test bench for examining the worm gearboxes with a center distance …” „… gearbox under test. The average gear friction coefficient can also be used to check the transmission for …”

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

„… the drive system with proposed two-speed transmission, a bench test and a real driving cycle on …” „… by real EV test. The efficiency for SDAT on bench test is shown in Fig. 8. The average efficiency …” „… efficiency for SDAT on bench test As shown in Fig. 9, the results from a real driving cycle were obtained …”

S. Vonderschmidt, A. Vonderschmidt, R. Vonderschmidt A novel magnetic angular transmission S. 591-602

„… transmission On a test bench, magnetic gearboxes are applied which have been optimized to be as quiet as …” „… . Similar speeds to electric motors or motor spindles can be realized. For e.g. test bench applications …” „… : Schematic of the measurement site Fig. 7.2: Motor test bench with measurement setup for the angular …”

T. Aoyama, H. Inokura, Y. Shibata Prediction of plastic deformation in hypoid gears S. 669-682

„… given torque and rotation speed on a test bench. Plastic deformations were measured by the difference …” „… index Yp) correlated closely with the plastic deformation measured on the test bench, as shown in Fig …” „… deformation test results is confirmed. The plastic deformation is predicted by the index. 1. Introduction …”

J. Fechler, M. Böhm, S. Aberle, V. Merz A contribution to the NVH behavior of plastic gears in automotive applications S. 1531-1540

„… noise is recorded with an accelerometer and evaluated. The test bench is specially optimized to detect …” „… analysis tools and test benches developed and established at IMS Gear serial production help to keep a high …” „… orientation of reinforcements have been tested. This was done by a modal analysis (figure 6). Fig. 6: Test …”

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

„… , experiments on the thrust cone test bench [7] were carried out. For various thrust cone specimen …” „… full film lubrication. For a single stage test gearbox noticeable increases in efficiency were …” „… investigated in a third test series. It appears that the few limit values known so far might be exceeded …”

P. Kauffmann, P. Schäflein, V. Heuer PM technology for the future powertrain S. 1289-1298

„… engineering properties required for this application through joint reviews of initial bench test results and …” „… mesh is lower since smooth surfaces are achieved during rolling. Back to back tests for combination …” „… , although did not have design responsibility, undertook the bench testing and established better options …”

C. Peng, C. Li, B. Chen Development of a test rig for transmission performances of precision planetary reducer S. 1127-1132

„… ] investigated the torsional stiffness of harmonic drive experimentally and set up a test bench used electric …” „… Development of A Test Rig for Transmission Performances of Precision Planetary Reducer Changyan …” „… planetary reducers, a test rig has been designed and developed. The test rig consists of lock device, load …”

B. Leupold, V. Janzen, G. Kotthoff, D. Eichholz Validation approach of PM gears for eDrive applications S. 119-130

„… bench. Test runs have been carried out at three torque levels (40, 60 and 80 Nm) at rotational speeds …” „… The graph above builds on tooth flank and tooth root performance tests of sintered gears and compares …” „… process knowledge. Furthermore, GKN has developed the “GSM test gear” geometry as a standard test gear …”

G. Eitzinger Adaptive coatings on gears for NVH improvement S. 1439-1450

„… Abaqus and shows a good analogy with the result from the test bench but mesh size in the coated area …” „… Vickers going down to 350 HV 0,020. Especially Copper and Silver alloys are used in the first tests due …” „… . Therefore, we have ongoing tests and simulation what is the best possibility to shorten the deposition time …”

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

„… simulation of a simple test case which geometry was that of a back-to-back test bench was reduced by 93.5 …” „… information about the correct lubrication of all the components unless with expensive tests. In the past, the …” „… back-to-back test rig as shown in figure 1. Fig. 1: example of mesh generation (extrusion) In order to …”

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

„… 100ºC and with a constant oil level, on the test bench. There was no speed difference between the two …” „… a better proximity to the test results. Nevertheless, the uncertainties in the input parameters of …” „… model, many of the parameters are not available for the vehicle transmission on test and the validity …”

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

„… performance and electricity. The simulation and bench test results indicate that the complex dynamic control …” „… electric equipment rapidly and stably. 4. Simulation tests and analysis In order to verify the …”

R. Weidig Adoption of polymer gears – Challenges and solutions S. 1565-1574

„… overcome this challenge. The journey is supported by test data done with validation customers and …” „… range at typical engine operating temperatures and speeds. VDI-Berichte Nr. 2294, 2017 1567 The tests …” „… were conducted on a test rig with parallel shaft transmission (Picture 1, 2). The polymer test gears …”

M. Kanters, B. van Wissen, R. Nickel Relevant tribological testing method for high performance plastic gears S. 1507-1518

„… can be done by experimentally accessing the long-term performance of a gear pair in a gear tester …” „… . However, usually these tests are performed under conditions that accelerate failure (high loads …” „… pressures representative for gears, a custom setup is developed based on the twin-disc test rig, the …”

R. Müller, L. Schirmer New tolerance concepts for the realization of steel-only worm gears S. 467-478

„… adjustment processes or functional tests or both. The adjustment process can compensate axial and/or radial …” „… deviations. A functional test ensures the achievement of the KC. In summary, the combination of the …” „… : Structure of the worm gear assembly VDI-Berichte Nr. 2294, 2017474 area the function test, the leak test …”

E. Tanaka, H.-C. Lin Gear diagnostic system using zonal laser beam for practical use S. 845-856

„… the laser irradiated position VDI-Berichte Nr. 2294, 2017852 Table 2: Specification of the test …” „… system easily with low cost. VDI-Berichte Nr. 2294, 2017854 Fig. 10: Gear meshing test device with …” „… compared to the benchmark data. The benchmark data is selected from three steps as shown in Fig. 2 [3 …”

doi.org/10.51202/9783181022948

VDI Wissensforum GmbH - Drivetrain for Vehicles 2016

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VDI Wissensforum GmbH (Hrsg.)

Drivetrain for Vehicles 2016

Reihe: VDI-Berichte

Band 2276 2016

Treffer in den folgenden Teilen:

C. Fouret Fatigue Strength of pendulum components in dual mass flywheel VDI 2016 S. 271-280

„… situation. DMF 1D model and pendulum 3D model are validated through independent bench tests. A great …” „… ) model are validated through independent bench tests, and pendulum-3D RBD model is also validated …” „… through impact bench test. In the third one, the pendulum-DMF behavior during aborted engine start can be …”

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

„… represented in Fig. 3 had the specifications shown in Table 1. Fig. 3: Realised test bench demonstrator …” „… logged by the test bench units. Due to the split housing design of the assemblies, the normal shaft of …” „… After assembling all parts, the demonstrator was put on the test bench. Two electric machines were used …”

A. Albers, K. Bause, S. Ott, S. Reichert, M. Behrendt, U. Reichert applications Tribosystemic view of CVT in drive systems – Getting tribological mechanisms in CVT under control S. 905-918

„… usually take place at two levels for the working-surface-pair a model test bench is used and for the …” „… original components a component test bench. The consideration at working-surface-pair-level allows using …” „… highly abstracted test specimens access to tribological processes. Regarding at component level allows …”

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

„… prompt results. VDI-Berichte 2276, 2016 63 2. Total transmission testing on powertrain test benches: The …” „… route profiles used in the design are driven here on test benches powered by combustion engines. To map …” „… the load as realistically as possible, the test benches are operated with the company's own real time …”

F. Markowsky Efficient Friction – Use of modern tools in friction system development S. 637-644

„… system will be discussed based on test bench measurements. As an outlook, the future integration of the …” „… tor ue test rig s structure and mode of action as well as the usage and the result s benefits. This …” „… new test rig makes it possible to set testing parameters like clearance, oil supply mode an amount …”

J.-N. Mach, G. Poll Influence of surface structures on the operational behavior of continuously variable transmissions S. 919-920

„… term tests on a special bench with additional performance measurements thereafter. The evaluated …” „… laser structures. The tangential laser grooves proved less durable in the long term test and the shot …”

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

„… operation on a test bench. Fig. 2: Powertrain topology (left) and transmission design (right) of the …” „… procedures on the test bench. The structure of the flowchart enables all possible mode changes in the Speed …” „… simulation models with test results from the test bench. The test bench will soon be put into operation and …”

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

„… corresponding test bench setup with both valves implemented at top right corner. Depending on the application …” „… ] ; right top: implementation in test bench with dual clutch; right bottom 3D CAD view on one valve …” „… VDI-Berichte 2276, 2016 153 when pressure is further lowered. First test bench results with prototypes verify …”

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

„… standard hydraulic test bench. VDI-Berichte 2276, 2016250 Fig. 6: Hydraulic performance of pilot valve …” „… nh under standard test conditions Fig 7. shows the resulting characteristic curve at the 6.5MPa …” „… . Fig. 7: Secondary Pulley pressure with µHM as in Fig. 5 The main task of the tests performed was to …”

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

„… . Validation on test benches and approval, whether the transmission bears the pre-defined load collectives …” „… covers theoretically 99.9 % of the driver profiles. Simulations and a few field tests mainly determine …” „… driving tests. At this point, it must be emphasized that these profiles are largely independent of actual …”

A. Albers, S. Ott, N. Bursac, S. Rapp Product Generation Engineering – efficient and effective to innovative drivetrain solutions S. 17-32

„… verification tests on a specially built test bench. Thereby a trustworthy solution for the bearing task could …”

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

„… drive test bench. AUTOREG VDI Reports 2011 - Vehicle and engine control and closed-loop control, 2011 …”

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

„… the assumption must be confirmed by experimental evaluation. Functional tests with different …” „… test rig to prove the theory. The results of each combination have been assigned to one of three …” „… synchronizer torque per applied axial force, of both synchronizers have been measured on the test rig under …”

R. Kronstorfer, F. Kolb, U. Pinschmidt Audi quattro – Four wheel drive becomes more efficient S. 369-382

„… were invited to test drive it themselves for different road conditions. For many it was a surprise how …” „… dynamics and traction it remains a benchmark. VDI-Berichte 2276, 2016370 Fig. 1: Audi Urquattro …”

doi.org/10.51202/9783181022764

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