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VDI Wissensforum GmbH (ed.)

Dritev 2022

Series: VDI-Berichte

Volume 2401 2022

Results in this title

F. Lagier, N. Freund, K. Bause, S. Ott, A. Albers Simulation-based evaluation of high-speed PEEK gears in automotive powertrains and design of a validation environment for high-speed gears S. 223-240

„… the benchmarking design as well as the construction of the high-speed test bench module. After …” „… and to design a test bench that is able to analyze the behavior of PEEK gears under high turning rates …” „… gears. In order to commission the test bench module that will be presented later, a simple and easily …”

T. Skubacz, C. Burkhardt, S. Krischke Proof of Concept: Bistable Shift Element S. 241-252

„… engagement (dog clutches) also enables shifting under differential speed. In component test bench and …” „… subsystem test bench trials, the functional requirements of shift-ing, torque transfer, overload protection …” „… transmission Rotating, quasi-static Torque transmission tests were carried out on an axle/gearbox test bench …”

M. Hein, S. Prinke, A. Damm, P. Fischer Testing of shift elements – Standardized Methods, State of the Art and Future Challenges S. 73-94

„… through testing, for specific oils on the ZF/FZG SSP-180 test bench with an oil flow of ? 5 ?/???. The …” „… also on the capabilities of the test benches, e.g. in case a cycle time of a1…2 seconds is permissible …” „… , it could be that the test bench itself only can implement minimum cycle times of 5 seconds. Nowadays …”

S. Cortès, A. Albers, C Dettmann, P. Boche Chassis Dynamometer – a development environment for calibration and validation of vehicle drivetrains in context of RDE legislation? S. 347-364

„… reproduce a road drive on a test bench, the driveline load parameters must be exactly simulated. The …” „… physical vehicle, the vehicle system is investigated in a vehicle-in-the-loop test bench, more precisely a …” „… types of the test bench used [6]. VDI-Berichte Nr. 2401, 2022 351In the present validation configuration …”

P. He, A. Eßer, S. Rinderknecht, M. Schmiedt A Degradation Model of a Wet Friction Clutch based on Theoretical and Experimental Analysis and the Application for a Condition Monitoring Method S. 303-320

„… this basis, an analysis of endurance experiment measurements from a powertrain test bench is performed …” „… theoretical and experimental analysis based on endurance experiments on a powertrain test bench. The testing …” „… . This test bench provides an environment to test the entire transmission under the consideration of the …”

F. Schuchter, M. Schönstein, K. Bause, A. Albers Temperature Modelling of a Dual Clutch with Artificial Neural Networks S. 335-346

„… the clutch temperature models are laboriously determined in many tests on the test bench. However …” „… efficiently. In addition, there are differences between the test bench and the vehicle, since components are …” „… built into the test bench that will not be used in the later series production. Often the final …”

P. Alagarsamy, A. Zangaro Compact Reduced Order Model (ROM) based on Finite Element (FE) Models of Power Electronics in Electric and Hybrid Vehicles S. 95-108

„… if the DOFs or states are less than 20 with an accuracy of ±3% error relative to test bench …” „… a single solution for all parts on an inverter and can be created by the fitting of tests, but the …” „… . 4.1, the physical CAD model pre-pared in ANSYS WorkBench has been reduced in MATLAB for respective …”

Titelei/Inhaltsverzeichnis

„… Product Engineering at Karlsruhe Institute of Technology (KIT), Karlsruhe f Test benchesChassis …”

T. Gemassmer, P. Lindau, M. Zimmermann Modular Torque Management Architecture S. 13-26

„… to the function architecture with a proven calibration set for tests on the vehicle, test-bench or a …” „… (endurance test suitable) 2 Calibrated Projectspecific calibrated 3 Pre validated Final calibrated and …” „… 80%. For example, standard software building-blocks and standard integration test strategies can be …”

V. Ludwig Life Cycle Assessments – Magna’s Path to Eco-Social Products S. 27-36

„… outlook for the year 2050 For this study, three vehicles were considered that have been in real-life test …” „… be driven at Magna’s 2022 Winter Tests in Sweden. More information about these vehicles and drives …” „… for action. It also includes carrying out benchmarks and ultimately incorporating the findings into …”

A. Eßer, J. Mölleney, S. Rinderknecht Potentials to reduce the Energy Consumption of Electric Vehicles in Urban Traffic S. 133-152

„… Test Cycle (WLTC) and a possible pathway for its introduction in the European legislation …” „… achieve a benchmarking of the potentials of fixed-speed and multi-speed BEV. 1. Introduction and …” „… simulations considering shifting losses to achieve a benchmarking of the potentials of fixed-speed and …”

doi.org/10.51202/9783181024010

VDI Wissensforum GmbH - International Conference on Gears 2022

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VDI Wissensforum GmbH (ed.)

International Conference on Gears 2022

Series: VDI-Berichte

Volume 2389 2022

Results in this title

S. Bill Efficiency improvement and surface protection by using particle-based phyllosilicate-additive S. 935-942

„… in the lab and in the field. The tribological performance was proven with different test bench …” „… simulation on the SRV test bench with the test load values provided by Optimol. Following parameters were …” „… REWITEC (blue curve). Fig. 2: Friction curve of the FZG simulation performed on SRV test bench in gear …”

F. Thurner Light into the black box: using AI software to identify unknown mechanisms of action and resolve acoustic/NVH problems – practical example of a passenger car powertrain S. 779-786

„… test bench vs. vehicle So-called transfer functions are to be formed for selected transmissions using …” „… measurement system analyses EoL test bench vs. vehicle The transfer functions are now built for all gears in …” „… : Example of a transfer function vehicle vs. EoL test bench measurements. 5. Transfer functions and …”

C. Schonke, T. Magdy, K. Daubach, W. Kassem, M. Oehler, O. Koch Simulation of high torque density gearbox noise excitation S. 837-848

„… of a gearbox, a small-scale test bench was designed. Similar investigations have been carried out e.g …” „… electrically loaded test bench. The test bench is shown schematically in Fig. 4. The test gearbox (4) is …” „… the transmission error. Fig. 4: Schematic illustration of the test bench The transmission error was …”

Y. Koch, G. Martin, E. Kirchner, D. Quirnheim Pais, R. Slatter Feasibility study of measuring instantaneous angular speed of helical gears with magnetoresistive sensors S. 253-264

„… . 4. 3. Experimental set up Test bench To measure IAS with MR-Sensors in this paper, a gearbox test …” „… bench at the Institute of Product Development and Machine Elements (pmd) is used. Fig. 3 shows the Test …” „… bench and the National Instruments (NI) data acquisition chassis including modules. The Test bench …”

M. Weigand, C. Gachot Improved rotorcraft drivetrain safety and related research with special focus on improved lubricants for rotorcraft transmissions S. 561-572

„… lubricants were analysed and the analysis evaluated against the results of tests on the FZG-test bench at the …” „… test benches in combination with FVA – reference oils. Fig. 7: Friction coefficient for base …” „… laboratory with several test stands which are - besides experimental research and development – basically …”

F. Lagier, A. Bischofberger, K. Bause, S. Ott Suitability of additive manufactured PEEK gears as a means of gear sampling for automotive high-speed gearboxes S. 1045-1060

„… for in operating points up to 30,000 rpm [6]. The test bench is designed as a non-mechanically closed …” „… stage, made with PEEK gears, is being physi-cally operated on the test bench. VDI-Berichte Nr. 2389 …” „… the sensor arrangement on the test bench The tests are run with the PEEK gears and are repeated with …”

R. Longato, M. Turci The effect of temperature on the SN curve for bending stress measured on a new test rig for plastic gears S. 1209-1222

„… The effect of temperature on the SN curve for bending stress measured on a new test rig for plastic …” „… test rig for plastic gears with input torque up to 10 Nm and input speed from 500 to 4000 rpm. The test …” „… general plastic mold specialists are not necessarily gear specialists. Gear measuring machines and test …”

A. Alnahlaui, P. Tenberge Improved method for the determination of tooth root endurance strength S. 31-44

„… what load the specimen would have failed and, in the Fig. 8: Test bench VIBROFORTE Fig. 9: GEGAFORTE [7 …” „… considerations, significant compromises have to be made in terms of testing time or number of test specimens. The …” „… large number of tests (24 Tests) [1]. Particularly in the case of gear units with required long running …”

B. Legrady, M. Taesch, G. Tschirschnitz, C. F. Mieth Prediction of churning losses in an industrial gear box with spiral bevel gears using the smoothed particle hydrodynamic method S. 651-664

„… component. VDI-Berichte Nr. 2389, 20226543. Experimental SetupThe torque test bench “Kegelradprüfstand …” „… (cSt)26 894 31060 875 53Figure 2: Bevel gear torque test bench (KRPS) at Dresden University of …” „… are carried out at a bevel gear test rig (KRPS) of the Chair of Machine Elements at Dresden University …”

J. Koenig, D. Kehle, K.-P. Heinzle Investigation of the failure mechanisms of plastic materials with and without fiber reinforcement S. 1269-1280

„… gears. Fig. 1: Test gear pair Fig. 2: Manufacturing of the test gears Test bench All experimental …” „… various conditions. These tests were accompanied by a non-destructive documentation of the gears with a …” „… of POM, PA46 and PEEK experimentally on a FZG back-to-back gear test rig [10]. Gears made of POM and …”

A. Baumann, B. Bertsche Coefficient of friction behavior of gear oils and significance for the meshing process of spur gears S. 745-762

„… with regard to their frictional behavior in a two-disc test bench and gearwheel tension test bench. In …” „… determined using test methods. There are standardized test methods for determining viscosity and density. The …” „… explanation of different levels of noise emissions in vehicle transmissions. For this reason, the test …”

A. Kubo, M. Nagae High-speed measurement of hardness distribution with X-ray diffraction S. 1553-1568

„… we can measure e.g. the tooth flank hardness of a gear without cutting the target object into test …” „… 1557A test specimen of ca.60x60x60mm cubic block made from the central part of 260 bar of SCM420 steel …” „… flank of a planet gear for land construction vehicle. This gear was endurance tested on bench and only …”

H.-J. Dennig, L. Zumofen, A. Kirchheim, S. Winterberg, D. Stierli Increasing the safety against scuffing of additive manufactured gear wheels by internal cooling channels S. 1345-1364

„… against scuffing. Therefore, at the highest possible power level achievable on the test bench, the safety …” „… , the setup of a suitable test infrastructure and the analysis of the LPBF gears tested for scuffing …” „… geometry and the associated test procedures are very important. The aim of this study is to clarify the …”

K. Yanagisawa, A. Weinmann Weight and cost reduction potentials with high performance polymers for gears S. 1019-1032

„… material bench-mark to better understand the influence of water absorption for gears by considering the …” „… developments and test equip-ment.7. DisclaimerIn case of any further question, please do not hesitate to …”

P. Mahendra Rao, S. Foletti, L. Bonaiti, C. Gorla, S. Beretta, F. Concli Mode III threshold under rolling contact fatigue and development of a test gearbox for planet gears S. 499-510

„… subjected to the test article bearing is similar to full-scale benchmark conditions. As mentioned before …” „… Mode III threshold under Rolling Contact Fatigue and development of a test gearbox for planet …” „… design and development of a test gearbox for the full-scale testing of such a 3-gear train planet gears …”

S. A. Bohme, J. Keski-Rahkonen, T. Komssi A standardizable approach to tooth flank fracture S. 371-388

„… stress and fatigue predictions in the mean cross-section of gear teeth[2], the test results from …” „… multiaxialfatigue tests under proportional and non-proportional stresses, it achieved an average fatigue error …” „… the calculations that were runon maritime gears [2, 4, 5], FVA test gears [23] and medium-sized test …”

doi.org/10.51202/9783181023891

Michael Pagel - Model-based diagnosis of electronic cooling fan drive systems

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Michael Pagel

Model-based diagnosis of electronic cooling fan drive systems

Series: Mess-, Steuerungs- und Regelungstechnik

Volume 1262 2018

Results in this title

The Engine Cooling Fan System S. 18-39

„… showing the structure of the used motor. Except the PCB, the motor is assembled on the test bench in this …” „… ). On the test bench, current clamps connected to an oscilloscope were used for current measurement (see …” „… evaluation on the test bench. The corresponding equations are derived in Section 3.1.1 to Section 3.1.4, the …”

Fault Detection and Diagnosis of the electrical motor: Online Parameter Acquisition S. 40-98

„… measurement were evaluated at the test bench. The method originally proposed did neither produce satisfactory …” „… damping of the test bench. The voltage and current waveforms for an injection during standstill are …” „… calculated by simulation or directly measured at the test bench. For determination at the test bench the …”

Titelei/Inhaltsverzeichnis

„… the Simulation Model . . . . . . . . . . . . . . . . . . 34 3.2 Test Bench …” „… Filter 125 D Datasheet Parameters of Selected Test Bench Components 126 Bibliography 127 VII List of …”

Introduction S. 1-7

„… tuning on the test-bench. Eliminating the need for adaption is thus a key for reduction of the overall …” „… air ow through the engine compartment. The simulation model and the test-bench, both used for …”

Appendices S. 122-126

„… to the looked for quantities. 126 D Datasheet Parameters of Selected Test Bench Components Load …”

Fault Detection and Diagnosis: Application S. 99-117

„… work. As pointed out in Section 3.2, no external heat source could be assembled on the test bench …” „… of expensive test bench measurements during design phase for parametrization of the algorithm for …” „… , all faults were reproduced on the test bench. As the estimation of the friction coe cients is attached …”

Summary and Outlook S. 118-121

„… available. Usefulness of the proposed methods was proven both by simulation and by evaluation on the test …” „… bench. The algorithms can not only be used for engine cooling fans, but are suitable for all continuous …”

doi.org/10.51202/9783186262080

VDI Wissensforum GmbH - Commercial Vehicles 2021

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VDI Wissensforum GmbH (ed.)

Commercial Vehicles 2021

Series: VDI-Berichte

Volume 2380 2021

Results in this title

T. Mrazek, K. Puchner, D. Übellacker Fatigue development of a 10x10 commercial vehicle frame using dynamic and/or strength simulation, virtual iteration and component testing together with measurement data acquisition S. 73-80

„… construction of the test bench. On the simulation side, the question of the load data was a key issue. In this …” „… some quasi-static VDI-Berichte Nr. 2380, 202174 measurements on a torsion test bench. Here …” „… simulation State-of-the-art MBS models of the vehicle and the test bench were developed. In the ADAMS/Car …”

T. Schulz, S. Herrmann Data-driven selection of vehicle variants for the E/E integration test – Increasing variants and complex technology versus test coverage S. 81-96

„… selection and prioritization of vehicle variants for the construction of test benches and test vehicles …” „… integration tests are primarily executed on Hardware-in-the-Loop (HiL) test benches. These test benches …” „… development process also makes it necessary to update the planned configurations of test benches and test …”

J. Ebert, Cornelia Keller-Ebert Lightweight construction and cost reduction – a lean, agile MSCDPS® product development process S. 43-54

„… servo-hydraulic vehicle test bench until a sufficient correlation is given. Other cost drivers include materials …” „… . 7: left: Recording of load spectra for demanding operating conditions, right: Vehicle test bench …” „… follows the expected stresses. Usually these are taken from past tests and continuously supplemented by …”

L. Heber, J. Schwab, T. Knobelspies Thermoelectric generators for heavy-duty vehicles as an economical waste heat recovery system S. 17-32

„… . Fig. 5 also presents the enclosure for test bench investigations around the TEG core …” „… ) Further… VDI-Berichte Nr. 2380, 2021 23 Fig. 5 illustrates the TEG variants, as test bench functional …”

T. Mauthner, G. Hasenbichler, B. Henriques Intelligent automated driving features for refuse collection vehicles S. 189-204

„… vehicle. To ensure working safety for developers and test engineers working in close distance to the …” „… requirements, system requirements and performance test procedures. [4] Users and automated driving systems …” „… structured analysis of human machine interfaces and iterative testing, useracceptance benchmarking and …”

C. Biedinger, T. Halfmann, M. Speckert, C. G. Berges, P. Cuny Consumption-optimized planning of transport missions using virtual drives S. 149-166

„… the innovative tool, a two-stage pilot test is carried out with 20 trucks and 20 trailers provided by …” „… of the vehicle. It serves as a benchmark for the estimated energy consumption for the virtual drives …”

doi.org/10.51202/9783181023808

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VDI Wissensforum GmbH (ed.)

ELIV 2021

Series: VDI-Berichte

Volume 2384 2021

Results in this title

T. Fricke, F. Schuck, J. Vogelpoh, J. Ax, R. Stolpe, H. Amelunxen Collaborative Development of a Test Environment for Automated Driving S. 5-16

„… architecture of a HIL test bench for AD-HPC testing is mainly governed by the test strategy, the actual test …” „… system and its components and their responsible party. The central component of the HIL test bench is a …” „… automation system can manage the test bench from a host- PC. Test bench management includes the set-up of the …”

K. Brand Shifting Left the development of Electric Vehicle Products, from System to Software S. 563-578

„… , with its emerging supply chains and expensive test bench requirements, we discuss the need for a range …” „… development and test, with a focus on virtual development and integration of xEV drive trains. A key aspect …” „… test prior to hardware availability, as well as efficiency in the development process by reducing …”

M. Bottigheimer, T. Lammle, C. Lammle, V. Schall, A. Wiebelt Wireless Charging for Electric Vehicles with its Boundary Conditions – A Contribution for Market Breakthrough S. 459-474

„… the measurement of interoperable systems and the necessary test bench setup can be found in [27] and …” „… environment is shown. Figure 9: Typical EMC-measurement [23] Figure 10: Typical EMC-measurement Test …” „… operate within the same positioning tolerances according to Table 3. For all tests, an efficiency greater …”

S. Wonneberger, S. Balci Reliable Validation of Highly Automated Driving Functions by Increasing the Virtualization Level of High Performance Computing Platforms and Smart Sensors S. 17-28

„… render even the most efficient and scalable HiL (hardware-in-the-loop) test benches in cost intensive …” „… validation of those systems, the amount of scenarios and test-cases requires the usage of data center …” „… tremendous increase in test requirements for function validation. Covering the software complexity can only …”

S. Alexander, F. Borrelli, M. Pfeifle Real-time Contextual Intelligence Services for Connected Electrified Vehicles S. 509-522

„… capacity prediction was compared to the measured actual in bench tests with full discharge. Resulting …” „… ) Dashboard for OEMs & Fleet Operators. Context-Aware E-Mobility Services: Road Test Results. Validation …” „… miles road tests, predicton accuracy greater than 90% compared to measured actual was demonstrated …”

A. Matarage User Experience – The key to successfully combining electric mobility and connectivity S. 355-366

„… called “Prototype”): Produce design solutions to meet user requirements - Test: Evaluate the designs …” „… tests. From connected vehicles, over charging stations to even micromobility solutions such as …” „… view. It is very versatile and can be used with prototype vehicles, to test and validate functions …”

F. Rundo Perceptive Advanced Car-driver Drowsiness Monitoring Neuro-Embedded System S. 317-330

„… statistical process correlated to drowsiness dynamic of the analyzed subject. The test sessions carried out …” „… reported the validation of the proposed pipeline. The test sessions were carried out driven by supervision …” „… 70 subjects of different ages, sexes and physiological features. As a validation test, the EEG …”

J. Langkau, S. Wenz, T. V. Fernandez, L. Pullen, A. Tekavčič, N. Jezeršek, A. Wagner Electric Charge Lid – System components for future charge lid systems S. 475-488

„… source - HELLA GmbH & Co. KGaA [5] Auto freaks TEST DRIVE REVIEW: BMW 330e – Electric Dreams …” „… !: https://www.autofreaks.com/2017/130850/test-drive-review-bmw-330e-electric-dreams/ (access: 5. 8. 2021) [6] Netcarshow …” „… ] Benchmarking shows one major challenge – intuitive interpretation of the charging mode and battery status. To …”

D. Mehlig, M. Muller, J. Treier, A. Loges Long distance e-mobility in the trade-off between battery capacity & charging power – Battery immersion cooling as enabler technology? S. 545-562

„… evaluated by the test persons. This is done with trade-off decisions by combining the characteristics of …” „… ]: https://www.adac.de/rund-ums-fahrzeug/tests/elektromobilitaet/schnellladenlangstrecke-ladekurven/ [16] n-tv (2005), „Lange Autofahrten: Alle zwei Stunden Pause“, n-tv 11 Juni, online available …” „… the DC charging power. Current benchmark is the Porsche Taycan with a maximum charging power of 270 …”

Z. Hermon Active Acoustics Innovations Supported by Tuning & Prediction Tools S. 331-338

„… , and dealer support. 7. Employing an NVH-focused CAD system upfront, development teams can test and …” „… development of modern sound technology have created new benchmarks within the automotive industry for both …”

doi.org/10.51202/9783181023846

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