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Drivetrain for Vehicles 2016

VDI Wissensforum GmbH (Hrsg.)

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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International Conference on Gears 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2389 2022

Treffer in den folgenden Teilen:

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

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Dritev 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2401 2022

Treffer in den folgenden Teilen:

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 S. I-X

„… 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

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Model-based diagnosis of electronic cooling fan drive systems

Michael Pagel

Reihe: Mess-, Steuerungs- und Regelungstechnik

Band 1262 2018

Treffer in den folgenden Teilen:

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 S. I-X

„… 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

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Commercial Vehicles 2021

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2380 2021

Treffer in den folgenden Teilen:

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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ELIV 2021

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2384 2021

Treffer in den folgenden Teilen:

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 …”

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 …”

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. 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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Land.Technik AgEng 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2300 2017

Treffer in den folgenden Teilen:

C. Körtgen, G. Morandi, G. Jacobs, A. Kramer Efficient development by automatic calibration of tractor transmission control units S. 291-296

„… a tractor simulation model and the second option is the testing of the real tractor on a test bench …” „… used in all the described cases. Simulation Test bench Test Track Optimization input Run maneuver …” „… MW dynamometer is used. The test setup is shown in figure 2. Fig. 2: Tractor Test Bench: Setup of …”

D. Engelmann, M. R. Unger, M. Geimer Testing and Benchmarking a Powertrain with Independent Wheel Control for Heavy Machinery S. 303-314

„… in mobile machines. Fig. 3: Line Traction 3 unit on the test bench, and section of the LT3 unit …” „… The superposition gear, here the unit under testing, is implemented with an own ECU on the test bench …” „… . The electric machines of the test bench drive and break the unit according to the values calculated …”

J. Ettl, H. Bernhardt, K. Thuneke, E. Remmele, P. Emberger, G. Huber Real driving emissions of tractors during field work and on the test stand S. 391-398

„… performed on dismounted engines on the engine test bench by applying the non-road steady state test cycle …” „… Real driving emissions of tractors during field work and on the test stand M.Sc., Dipl.-Ing. J …” „… ploughing into test cycles. The test cycles are applied at the tractor, which is connected to an eddy …”

J. Wieckhorst, T. Fedde, L. Frerichs A Traction Field Test – Real Time Tire Soil Parameters of a Tractor in Tillage Applications S. 431-438

„… of a tractor, was presented [1]. The test bench results were promising. In 2016, the prototype …” „… . Validation of the Sensor Performance within the Tractor After finishing the test bench phase [1] and …” „… A Traction Field Test – Real Time Tire Soil Parameters of a Tractor in Tillage Applications …”

W. Stark, C. Pieke Efficiency Optimization by Using “Vehicle in the Loop” Test Methodology S. 399-406

„… on the vehicle test bench. This benchmark test evaluates the fuel consumption of tractors in …” „… Efficiency Optimization by Using “Vehicle in the Loop” Test Methodology Dipl.-Ing. (FH …” „… test was conducted on a real test track and public roads. Currently the DLG PowerMix test is running …”

K. Szalay, L. Kovács, G. Bércesi, I. Oldal, E. Piron, J. Charlat, T. Joly, C. Poncet, F. Tran Agricultural Tire Energy Efficiency test method and dedicated equipment to measure the fuel consumption and traction of agricultural tires under real field conditions S. 407-416

„… chassis dynamometer – the field on a test bench, VDI AgEng 2015 VDI-Berichte Nr. 2300, 2017 415 …” „… Agricultural Tire Energy Efficiency test method and dedicated equipment to measure the fuel …” „… Working Group in order to draft a common methodology to test the agricultural tire energy efficiency, in …”

F. Hantschack, R. Rahmfeld, J. Bagusch, A. Meyer, E. Dohm Development of a high performance continuously variable drive for mobile agricultural and construction machinery S. 315-322

„… design, the manufacturing and the test bench validation while Danfoss supplied the hydraulic components …”

J. Karner, C. Danner, A. Kerschbaumer, H. Prankl Definition of a test method to evaluate vibrations acting on a tractor driver S. 255-262

„… creation of a database for detailed benchmarks of tractors. The “Wieselburg vibration test-cycle” could be …” „… Definition of a test method to evaluate vibrations acting on a tractor driver Dr. Jürgen Karner …” „… is incredibly versatile [2]. Previous tests were carried out typically without implements [3, 4]. So …”

Titelei/Inhaltsverzeichnis S. I-XVII

„… Vehicle Dynamics J. Karner, Definition of a test method to evaluate vibrations acting on 255 C. Danner, a …” „… Evaluation Test Stand to quantify System M. Rothmund Response and Accuracy Technologies for Renewable Energy …” „… T. Hoffmann Tractor Tests and Emissions J. Ettl, Real driving emissions of tractors during field …”

B. Köber-Fleck, P. Ahlbrand, S. Böttinger, H. Korte Telematics and Big Data Analytics – An Effective Way to Quantify Fuel Saving Potentials – A Proof of Concept by the Joint Research Project EKoTech S. 227-236

„… . Proof of Concept Target of the Proof of Concept is to test, if the data source of telematics data in …” „… collection is not executed under test conditions. For example, only a low proportion of the data collecting …” „… total combine fleet operating in the selected regions than results under test conditions with a small …”

doi.org/10.51202/9783181023006

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Dritev – Drivetrain for Vehicles 2020

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2373 2020

Treffer in den folgenden Teilen:

A. Manelli, F. Filippo Irato, C. Cavallino, R. Gay e-FDU: Concept, develop & industrialization of a novel P4 powertrain – From concept to industrialization of a novel P4 powertrain in 24 month S. I-45-I-78

„… ), wheel speed sensors and ECU, have been firstly tested on Dana Graziano test benches and subsequently …” „… , meaning e-FDU and inverters together, test benches should therefore provide HV DC power, through the use …” „… stage. Fig. 21: Fatigue Test bench set-up As per customer specification, the entire duty cycle …”

H. Gürbüz, S. Ott, A. Sutschet, J. Kern Highly efficient clutch system for multispeed BEV S. I-119-I-132

„… that of a ballpoint pen. The functionality of the locking mechanism was verified on a test bench. The …” „… results of the test bench trials show that the operating energy can be considerably reduced …” „… in initial test bench trials (Fig.4). - - Fig. 4: Test setup and functional verification …”

F. Brezger, A. Moser Investigation and potential analysis of shiftable form-locked one-way clutches for hybrid and electric vehicles S. I-133-I-148

„… test bench setup for overrun mode observations The simulation model was validated by varying test …” „… . VDI-Berichte Nr. 2373, 2020 141 Fig. 7: Drag torque measurement test bench (left) and test result of OWC …” „… parts and implemented in test bench as system. This system includes a friction clutch, shafts and …”

M. Grill, M.-T. Keskin, M. Bargende Virtual RDE: Ensuring RDE conformity of hybridized powertrains in the early stage of the development process S. I-343-I-354

„… pressure-part, using mean effective pressure and emission values derived from the test bench or detailed 1D …” „… use test bench data for RDE simulations and powertrain analysis. The implementation of such an …” „… means of detailed 1D flow simulation or on the test bench (typically one cylinder engines are used). In …”

M. Deiml High speed electric drive system – A solution for the next generation E-cars S. II-49-II-62

„… various applications. On the motor test bench and on the chassis tester the EDU showed excellent power …” „… performed on the motor test bench. Results show a torque output which even exceeds the simulated values …” „… the performance of 2x200kW pk for 10 sec could be measured. The ongoing test bench run confirmed also …”

S. Worrall, J. Foulsham, I. Stone, T. Gassmann CeDrive – Electric drive technology for a new era – Advanced cooling and control of high-speed eDrive S. II-33-II-48

„… and bench-testing of the hardware, we will finally confirm the system performance and efficiency in an …” „… prove system performance on bench and in a demonstrator vehicle. ACeDrive is a UK funded project led by …” „… Coefficient (H.T.C.) in the critical areas of the motor. Comprehensive tests have been performed on an …”

D. Schöneberger, S. Rinderknecht, D. Reitmeier, A. Mertens Development of a transmission control for an innovative high-speed powertrain using motor-related control – Simulative approach to develop an angular position controlled engagement of dog clutches in ... S. I-195-I-212

„… test bench and tested in a demonstrator vehicle. 1. Introduction Speed4E is a joint project of …” „… improved both at powertrain test benches and in a demonstrator vehicle. 2. Speed4E powertrain The Speed4 …” „… possible to test a smaller, less powerful actuator without disassembling the whole transmission …”

T. Korb, M. Nussbaumer, S. Rinderknecht Generic optimization environment and knowledge-based guided evolutionary algorithms for automated transmission calibration – Method to generate a knowledge base through impact analysis of parameters a... S. I-355-I-384

„… climate regions – as well as high and expensive test bench times in return. Besides to the high costs …” „… hardware-in-the-loop test benches. Starting from this point of configuration the so-called model-based calibration is …” „… conventional procedure during the transmission calibration is done in a vehicle and on the road, by a test …”

doi.org/10.51202/9783181023730

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International Conference on Gears 2023

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2422 2023

Treffer in den folgenden Teilen:

L. Binanzer, L. Merkle, M. Dazer, A. Nicola Pitting Detection for Prognostics and Health Management in Gearbox Applications S. 97-108

„… bench, a single stage spur gearbox is developed. The test gearbox is used on a test bench, which is …” „… greatest possible increase in RUL is achieved. Therefore, in the further part of this work, test bench …” „… Approach An electric load test bench is used for the experiments with the test gearbox. The test bench is …”

G. Devaraj Vibration reduction of planetary gear drive using mesh phasing: modelling and experimental validation S. 157-174

„… of the system is predicted using finite element models, and then operational experimental bench tests …” „… experimentally on a bench test. 2. Demonstration of mesh phasing in planetary gear sets vibration As previewed …” „… validated in a bench test. 3. Application case: Electric drive unit for passenger car 3.1. Application case …”

M. Willecke, J. Brimmers, C. Brecher Experimental Investigation of the load carrying capacity of beveloid gears with optimized flank topography S. 125-138

„… Rig for Beveloid Gears with Intersecting AxisTo built a test bench for load capacity testing on …” „… , 2023130was done with a kriging model [8]. To design the final optimized micro geometry for the test bench …” „… oil for the test bench comes into focus. At the initial startup of the test rig a Titan Gear Hyp 90 …”

P. Chavan, M. Lutz Validation of an industrial gearbox model for predicting vibro-acoustic behavior S. 619-632

„… displaced markers. In the second step, the validated gear unit is assembled on a test bench, as illustrated …” „… in Fig. 4 (right), employing four bolted joints. The corresponding model of the gear unit-test bench …” „… assembly is also created within the MBS software. The T-slot plates of the test bench are modeled as …”

W. Ramdane, C. Changenet, S. S. Ouali, C. Chevrel-Fraux, P. Casanova Thermal model of a planetary gear set using an isothermal approach S. 451-466

„… force sensor (figure 3) is used in the output of the test bench in order to control the applied load. A …” „… temperature during tests. Several K-thermocouples are placed on the test bench to measure the temperature …” „… correlation can be observed between the model and the test bench results.VDI-Berichte Nr. 2422, 2023 461Table …”

M. Reichl, P. Lenz, A. Oliva Challenges and possibilities of virtual development of e-axle transmissions S. 485-498

„… increasing. The number of prototypes must be reduced, since test bench times are expensive and limited …” „… rendering is seen, and on the right side the photographs of the test bench gearbox. Fig. 7: Gearbox at 30 …” „… (splashing, squeezing and ventilation) in the test gear of the Gear Research Center (FZG) at the Technical …”

J. Zheng, D. Qin, C. Liu A Novel Dynamic Modeling Method of High-Speed Thin-Rimmed Gear Transmission S. 1279-1286

„… dynamics model. On the test bench shown in Fig. 3, the speed and torque sensors are mounted on the pinion …” „… contrasting the simulation and test results, the validity of the model was confirmed. The effects of gear body …” „… sensorHigh‐speed gearboxFig. 3: Picture of thin-rimmed gear transmission experimental bench The parameters of the …”

Y. Koch, E. Kirchner, J. Hirschmann Measuring Instantaneous Angular Speed using a Gear Wheel as Material Measure to detect Pitting Damage during an Endurance Test S. 81-96

„… bevel gear stage and two helical gear stages. The test gearbox is mounted to the steel test bench via a …” „… , accelerometers are used as a benchmark to detect fatigue pitting damage. The endurance test was carried out for …” „… Damage during an Endurance Test Yanik Koch, Eckhard Kirchner, Institute for product development and …”

U. Cihak-Bayr, T. Wopelka, C. Wintersteiger Effect of LOL conditions under high velocity and high injection temperatures S. 763-778

„… alternative to expensive gearbox tests. [6] Höhn, B.R.; Michaelis, K.; Doleschel, A.: Limitations of Bench …” „… on a twin-disc test-rig Dr. Ulrike Cihak-Bayr, Dr. Thomas Wopelka, Dr. Christoph Wintersteiger, AC …” „… been performed on a twin-disc test rig to study the limits of stable friction condition at high …”

E. Virtanen, M. Kanerva, G. Szanti Fatigue testing of large sized bevel gears S. 897-906

„… collaboration with Tampere University. The test bench has a back-back-construction with two test gears and is …” „… based on endurance tests performed on relatively small-size test gears and testing equipment, such as …” „… the standard FZG test rig. Large bevel gears are dimensioned using special standards for bevel gears …”

A. Alnahlaui, P. Tenberge Optimised statistical evaluation for the determination of tooth root endurance strength S. 19-32

„… bench. In this rotating gear (RG) test, the results are close to reality, however, such tests take a …” „… of asymmetrical clamping of a gear in pulsator tests Ahmad Alnahlaui, M.Sc., Prof. Dr.-Ing. Peter …” „… compare the test results of pulsator tests to test results of rotating gear tests or to compare them with …”

A. Baseer, B. Bauer, C. Wang Mesh Load Factor in Multiple Planetary Stage Gearboxes S. 281-290

„… and validated with measurements from the test bench. VDI-Berichte Nr. 2422, 2023 283Fig. 2: MBS …” „… on a test rig for a PPP gearbox. The validated gearbox is then integrated into a wind turbine …” „… capable gearbox model. After setting up the gearbox model it is implemented into the test rig environment …”

T. Jagiella, S. Haller, J. Lechner, T. Rung, M. Wöppermann, B. Zeeb Building a software toolchain for automated mass-customization of specific end-use gear unit parts using AM-driven design guidelines S. 1607-1616

„… components are produced using this software solution and tested under alternating load on a test bench …” „… alternating load using a flywheel test rig designed to simulate a real-word application.Tests on the flywheel …” „… exemplary part that was generated by the software was tested under worst-case conditions, this test proves …”

M. J. Herberger, F. Rudolph, B. Sievers Efficient concepts for high ratio angular gearboxes S. 801-814

„… efficiencies, an electrically braced test bench is used. Torque measuring equipment on the input and the output …” „… . Fig-ure 4 shows this test setup consisting of test gearbox and input shaft assembly. Equation 1 is also …” „… applicable for the input shaft assembly. Fig. 4: Test setup consisting of test gearbox and input shaft …”

S. Matkovič, D. Šeruga, M. Nagode, M. Kalin Prediction of tooth root fatigue failure of polymer gears for dry and oil lubricated contact and its comparison to experimentally obtained results S. 1301-1318

„… tribological data. However, the characterization of polymers’ properties and their behaviour in the gear test …” „… bench devices employing gear meshing under controlled parameters, is time- and cost-inefficient. The …” „… reason behind time inefficiency is the length of tests that needs to be performed in order to …”

M. Werner, S. Graf, M. Oehler, O. Koch Investigation of the electrical behavior of a spur gear stage pair by means of impedance measurements S. 67-80

„… gears, the test bench has to be modified and a specific current path over the tooth flank has to be …” „… electrical substitute system is first explained (chapter 2). This is followed by a presentation of the test …” „… by this. The following chapters show the test setup for determining the impedance of a gear stage as …”

F. Mieth, D. Tazir Local load capacity analysis for the design of a balanced flank modification for cylindrical gears according to bevel gear procedures S. 927-944

„… environment is assumed, similar to the test bench conditions. The flank modifications are included in the …” „… modifications. To validate the accuracy of the calculation methods, a well-documented series of tests from the …” „… surface roughness of a standard reference test gear, VDI-Berichte Nr. 2422, 2023 929along with the …”

M. Rothemund, M. Otto, K. Stahl Applicability of classic analytical calculation approaches for the design of plastic gears S. 1483-1498

„… based on three illustrative gearings, for which measurement data is available from test bench trials …” „… calculation of the load capacity of spur and crossed helical gears and the execution of test rig trials. VDI …” „… are usually observed in practical tests compared to theory. In addition to the calculation of the load …”

B. Guilbert, D. Dureisseix, P. Velex Hybrid models for the simulation of displacements and stresses in lightweight gears S. 315-328

„… using time-averaged holographic interferometry. Table 1: Test bench gear data [31] Pinion Gear Module …” „… horizontal axis.4. Displacements and stresses in a thin-rimmed gear 4.1. Test case definition In what follows …”

C. Karampatzakis, A. Mihailidis, A. Mantzaflaris, C. Provatidis Contact simulation of tooth flanks using Isogeometric Analysis S. 413-428

„… test which was introduced in [19] and second the classical two-dimensional Hertzian contact [2]. Patch …” „… Test The contact patch test consists of two dissimilar rectangular patches, with the smaller of the two …” „… patches. VDI-Berichte Nr. 2422, 2023420 Fig. 2: From left to right: a) Setup of patch test, stress …”

doi.org/10.51202/9783181024225

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SIMVEC – Simulation und Erprobung in der Fahrzeugentwicklung

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2333 2018

Treffer in den folgenden Teilen:

A. Krätschmer, A Wagner, H.-C. Reuss Lastlose Erprobung von E-Maschinen in der fruhen Entwicklungsphase S. 487-494

„… development phase, modular and highly specialized test benches are required which can carry out relevant …” „… investigations. FKFS has a number of state-of-the-art and specialized test benches for engine and powertrain …” „… . One of these test benches, the load-less test bench, offers the opportunity to study E-machines in …”

I. Vogeler, R. Untermaierhofer, R. Petz, T. Schütz Different methods for road load determination in comparison – Wind tunnel, Wind tunnel method according to WLTP and Coastdown method S. 469-486

„… ride height change and the surface structure of the road or rather the test bench belts have a …” „… surfaces of the test benches have an enormous impact on the rolling resistance of the vehicle. The road …” „… coefficient with an inner drum test bench. He found out that the rolling resistance on a real road surface …”

O. Al-Saidi, S. Müller, A. Zech, C. Schyr Bewertung und Analyse von Fahrzeugregelsystemen im fahrdynamischen Grenzbereich mit einem Vehicle-in-the-Loop Prufstand S. 495-510

„… test tools. This contribution first describes a new test bench concept for complete vehicles which …” „… combines the advantages of HiL and road tests. The presented test bench concept combines high dynamic …” „… lateral driving functions can be analyzed on a test bench. A virtual environment model enables the …”

K. Büttner, F. Kocksch, A. Zäper Systematik zum Entwurf von Versuchsfeldern unter Berucksichtigung virtueller Absicherungsmethoden – Entwicklung und Vernetzung von Versuchsmethoden und Prufstanden fur virtualisierte Absicherungsproze... S. 315-336

„… determined mechanical parameters at the interfaces to the test bench. The test benches developed in this way …” „… mapping complex maneuvers on multiple test benches simultaneously. Furthermore, methods for requirement …” „… for the simultaneous development of a test field, the functionally adapted test stands and the …”

M. Benedikt, M. Krammer, M. Wierse, T. Haid, A. Soppa, J. Zehetner Introducing the Distributed Co-Simulation Protocol (DCP) S. 699-702

„… .: „Real-Time Co-Simulation for the Control of an Engine Test Bench“, Development – Calculation and Simulation …” „… Simulation im Office bis hin zum verteilten Testen unter Echtzeitbedingungen. Darüber hinaus wurde in …” „… und frühzeitig zu testen (frontloading). Ein Beispiel für diese Systeme sind Entwicklungen im Bereich …”

T. Scholz, M. Hellwig, F. Pautzke Algorithm for Parameter Identification of Lithium-Ion Batteries S. 389-398

„… benches are needed to generate precise alternating excitation currents and the analysis of test data …” „… systems and components in component development and dimensioning and for emulation in SIL and HIL test …” „… parameterization of lithium-ion cell models based on the data of a standardized test routine. The method extracts …”

S. Balci, T. Filler, A. Soppa, S. H. Reiterer, M. Benedikt, H. Szczerbicka Kontinuierliche Integration von vernetzten Steuergeratefunktionen im automatisierten Modellierungs- und Build-Prozess bei Volkswagen – Agile Entwicklung von mechatronischen Systemen mithilfe von Conti... S. 749-768

„… .; Lagalaye, M.; Pfefferkorn, J; Casteres, J.: Modular and open test bench architecture for distributed …” „… des Fahrzeuges immer mehr an. Infolge dessen ist der Test von Softwarefunktionen mit aktuellen …” „… bietet insbesondere die Parallelisierung von Tests einen großen Mehrwert für die zukünftige …”

J. Berger, R. Theuerkauf, S. Ott Neue Pruf(-stands)-Konzepte ermoglichen Validierung mehrdimensional angeregter Triebstrangteilsysteme S. 511-526

„… test bench. Actuator systems that enable a combined load condition – characteristic, for example, of …” „… possibility is shown how exemplary test setups with highly dynamic twodimensional stresses and interactions …” „… kompensieren oder o können als physisches Teilsystemmodell des Test-Gesamtsystems verwendet werden (z.B …”

E. Papoutsis, M. Hojjat, K.-U. Bletzinger Geometric constraints for node-based shape optimization of car body parts S. 75-92

„… commercial software such as OptiStruct ([6]) or Abaqus ([7]). Two test cases of simple 3D geometries and …” „… first two models were used to test the robustness of the algorithm. Lastly, the industrial cases …” „… meshes. 3.1 Non-Industrial Test Cases The first test case is an initially feasible (manufacturable …”

doi.org/10.51202/9783181023334

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AgEng LAND.TECHNIK 2022

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2406 2022

Treffer in den folgenden Teilen:

B. Pölling, J. Steiner, C.-P. Stickel Development of a new structural undercarriage for combine harvesters S. 31-40

„… simulation after a test bench failure. At the end, the benefits of linking a well thought-out design with the …” „… strength test bench. In order to achieve maximum flexibility during these 6 months and to avoid expensive …” „… the geometry (radii, draft angle). After the side wall has passed the roller test bench …”

E. Thiessen, M. Eslamifar, R. Kock, E. Hartung, P. Lausen On Farm Validation of different NIR Sensors for Manure Sensing S. 9-16

„… mobile sensors, some cubic meters of manure were pumped through a test line of a mobile test bench with …” „… . Material and Methods Measurement set up For that purpose, a mobile manure test bench was designed and …” „… test bench used in the trial The NIR sensors are typical devices on the market and were made available …”

S. H. F. Al-Rikabi, E. Santolini, M. Bovo, A. Barbaresi, D. Torreggiani, P. Tassinari, B. Pulvirenti Definition of a Porous Media Model Simulating the Presence of a Small Canopy Crops in a Greenhouse – CFD simulations and comparison with experimental tests S. 639-648

„… bench(on the left) with points of measurements (on the right). The measurements were conducted on the 29th …” „… CFD simulations and comparison with experimental tests Shahad Hasan Flayyih Al-Rikabi, Enrica …” „… distributed on one bench, the span consist of 4 Poly-carbonate benches, the bench dimension is 1.635m *5.7m …”

F. Herter, C. Schwaer Valuation Method for Corn head integrated Stubble Cracker System S. 173-178

„… product lifetime cannot be reached by one or two harvest seasons, test benches are used. As shown in the …” „… dimensioning of power train components In addition one important outcome of the harvest tests is setting a …”

D. Sousa, R. Moutinho, C. Resende, J. Oliveira, M. Roque, R. Graca, A. Oliveira-Jr, W. Moreira, L. Carvalho Underground Sensing Probes for Precision Agriculture S. 625-630

„… level and 1 hour at surface level. The surface tests were used as benchmark validation tests for the …” „… illustrates the prototype being deployed in the test area (cf., Fig. 2C). The test area was a green yard …” „… LoRaWAN [12] concentrator shield. We tested different factors: underground (depth: 10cm) and surface tests …”

J. E. Hilgert, T. Amon, B. Amon, V. Belik, F. Dragoni, C. Ammon, A. Cardenas, C. Herrmann, S. O. Petersen Influence of the temperature of storage on biogas production from dairy cows and fattening pigs’ liquid manure S. 317-322

„… methane potential (BMP) tests and the chemical composition of the slurry samples were analysed before and …” „… analysis. Temperature (°C) Dairy cow manure (storage) Dairy cow manure (BMP test) Fattening pigs manure …” „… (storage) Fattening pig manure (BMP test) 5 5.1 401.0 1.9 358.6 10 11.8 394.7 10.3 371.6 15 29.7 430.9 43.8 …”

S. Röttgermann, G. Podann, J. IJsselmuiden, F. Tamminga, N. van de Westeringh, K. Jayaraj, D. Matos, D. Albrecht Disturbance Input Detection and Performance Monitoring for Smart Agricultural Implements S. 141-148

„… tests along with next steps to take. Fig. 1: Autonomous towing vehicle (VTE) together with a …” „… , one of our test implements was equipped with a LiDAR-based measurement and evaluation system. [9 …” „… harrow [8] Conclusion and Outlook – Our Next Steps During the tests for the detection of disturbance …”

A. van Dueren den Hollander Intra row weeding in sugar beets with the use of Artificial Intelligence – From theory to practice S. 267-274

„… as much variation in the data as possible. Initial tests were done with one prototype IC-Weeder AI in …” „… weed during the first prototype tests, a common weed, Chenopodium album, was recognized as a sugar beet …” „… F-score of 0.96 was reached in desk tests. The Intersection over Union that was used in this case was 0.7 …”

C. M. Levrault, J. T. Eekelder, J. P. M. Ploegaert, N. M. W. Ogink Measurement of dairy cows‘ individual methane production rates: the Cubicle Hood Sampler, an on-barn alternative S. 85-92

„… version of the CHS allowed to 1) observe the level of acceptance of the CHS by the cows, 2) test the …” „… : 10.2527/1995.7382483x. [4] D. Boadi, J. Chiquette, and D. Massé, and C. Benchaar, “Mitigation strategies to reduce …”

doi.org/10.51202/9783181024065

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ELIV 2024

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2441 2024

Treffer in den folgenden Teilen:

T. Ost, D. Petanjek, M. Beer Ensuring ADAS functionality during periodic technical inspection ADAS/AD functionalities over a vehicle’s lifetim S. 281-292

„… moving, which requires a costly roller test bench. Otherwise, they are not active or are deactivated …” „… the entire system on series vehicles, AVL DiTEST has set up a prototype test bench (Figure 2). This …” „… consists of a roller test bench, front radar and front camera stimulation as well as data acquisition from …”

D. Simon, T. Wenka Battery-Integrated Multilevel Inverter Technology A Highly Integrated Electric Drivetrain Approach and its Technical Implementation in a Distributed Real-Time System S. 467-476

„… feasibility study, tested on the test bench and demonstrated in a vehicle. Introduction The trend in the …” „… ) to a first HV system prototype of Gen1, which was first tested on the test bench and finally …” „… technology was demonstrated both on the test bench and in the vehicle. The developed and investigated …”

C. Wiegand, F. Sontheim, J.-E. Stavesand, A. Amoroso, S. Rößner The Path to Virtual Homologation Aspects of the necessary framework for product safety in ADAS/AD S. 117-126

„… comparisons of real world data and data generated from the XIL test benches. These enable the system under …” „… , virtual test environments take on a completely different significance as they are the only way to make …” „… test distances would be required to determine whether or not an AD system was sufficiently safe with …”

M. Münzer, S. Zhang, C. Bauer, D. Graovac Boosting vehicle range by mating semiconductor technologies S. 477-482

„… inverter test bench. Figure 4 shows thermography images of the IGBT and SiC MOSFETs being operated as a …” „… WLTP (Worldwide Harmonized Light-Duty Vehicles Test Procedure) is commonly used to compare vehicle …” „… . Figure 3: Short circuit test with HybridKITTM Fusion Short circuit measurements as shown in figure 3 …”

L. Hettich, J. Stümpfle, M. Weyrich Testing Variant-Rich Software-Defined Mobility Systems Methods, Future Challenges and Innovative Concepts S. 243-256

„… aforementioned challenges can be addressed by the proposed concept. In this chapter, we discuss bench-marking …” „… specific test approaches are necessary to efficiently handle the enormous variability. It is typically …” „… test cases - collectively referred to as implementation artifacts - to realize the features outlined in …”

K. Brand, T. Tang, D. Selvaraj A New Era for Software Verification: Heterogeneous Multicore Compute With Model-Based Design and Virtual ECUs S. 437-452

„… complex bench setups and accessibility issues. Reducing the dependency on hardware becomes critical to …” „… responsible for executing the SW under test on the target processor. Typically, Simulink uses the Host PC …” „… the plant model. The data flow destined for the SW under test is routed through a serial link onto the …”

T. Huck, A. Achtzehn When innovation demand meets E/E architecture Further endeavours into next-gen architectural designs S. 395-406

„… architectures, the fundamental base of modern vehicle development, are once again on the test bench. This paper …”

P. Dreiseitel, R. Grewe Quo vadis Vision Zero – Can AI help us to make our vision come true? S. 41-52

„… products, triggered by the elk test. The impact on fatality rates has been significant. Since then, many …” „… Design Domain (ODD). The size of test catalogs tends to grow continuously, making them difficult to …” „… manage manually and impossible to physically test exhaustively. LLMs can help manage test catalogs by …”

G. Schneider, F. Woitschek, A. von Twickel, R. Plaga Auditing Guidelines for AI-based AD/ADAS Components focusing on AI Security S. 53-66

„… to move from high-level requirements topractical tools or tests which can be employed in …” „… be applied in practice. 3. Practical Example: Traffic Sign RecognitionTo test the practical …” „… case. This allows us to test the proposed auditrequirements for a relevant system with limited …”

X. Wang, A. Hübner, M. Kühl, B. Zlotnik Enabling Automotive MLOps with Open-Source Based Software S. 93-104

„… . Upon passing all tests included in stage 2, the model proceeds to the deployment phase (stage 3 …” „… Figure 2, we employed the complete ML lifecycle of a 2D Object Detection system as the System under Test …” „… learned representations by augmenting test data with image manipulation or synthetic data. This helps to …”

F. Ozog Bring TSN cloud native support to SDV architectures S. 179-212

„… https://www.sciencedirect.com/science/article/abs/pii/S1389128621000372 10 https://docs.fd.io/csit/master/report/vpp_performance_tests …” „… Several benchmarks show that networking performance in VMs or containers can reach several tens of …” „… cost. Many latency benchmarks have been done, leveraging various technologies and to solve different …”

doi.org/10.51202/9783181024416

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Autoreg 2019

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2349 2019

Treffer in den folgenden Teilen:

N. Althar Udupa, E. Schulz, M. Schultalbers Polytopic LPV Controller Design to Control the Boost Manifold Pressure in an Internal Combustion Engine S. 377-388

„… engine test bench is borrowed in this research. It is transformed into a polytopic state-space [8] model …” „… the controller design and implementation of the designed controller in the test bench. The fourth …” „… plant i.e. the reference for the actuator of the engine on the test bench. Fig. 7: Description of …”

E. Enders, F. Fent, M. Lienkamp, G. Burkhard, D. Schramm Objectification Methods for Ride Comfort – Comparison of Conventional Methods and Proposal of a new Method for Automated Driving Conditions S. 323-352

„… that the ISO-2631 [29], VDI-2057 [69] and BS6841:1987 [7] perform best under the given test conditions …” „… methods, investigate the influence of attention on comfort perception, and test if there is a correlation …” „… approach was used to test the work hypotheses, which is recommended if it is not possible to control all …”

J. Ultsch, J. Brembeck, R. de Castro Learning-Based Path Following Control for an Over-Actuated Robotic Vehicle S. 25-46

„… ausreichend genaues Synthesemodell des Fahrzeuges benötigt. Der Entwurf, die Parametrierung und das Testen von …” „… . The parameters for the -slip characteristics of the used tyre model are obtained from real world test …” „… in Kempten is chosen (cf. Fig. 7a). The planned path on this test track is very demanding, includes …”

S. Rothfuß, R. Prezdnyakov, M. Flad, S. Hohmann Decentralized Path Planning for Cooperating Autonomous Vehicles S. 271-284

„… system or communication failure. Last we provide simulation results of two test scenarios that show the …” „… Verhandlungssystem in zwei definierten Benchmark-Szenarien nach folgenden Kriterien bewertet: Gesamtfahrzeit t aller …”

doi.org/10.51202/9783181023495

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Drivetrain for Vehicles 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2313 2017

Treffer in den folgenden Teilen:

U. Reichert, A. Albers, K. Wolter, T. Pinner, S. Ott A new approach for the investigation of synchronizations by different shifting characteristics S. 65-66

„… of synchronizations. The test bench allows investigations at different systemic conditions. On the …” „… clutch and hybrid transmissions can be mapped by the test bench. The synchronization process is based on …” „… requirements for the test bench were derived. In addition, the integration of a fiber-optic sensor system [2 …”

C. Glühmann, H. Huang, R. Knoblich Modelling, simulation and optimisation in the development of transmission control units S. 133-134

„… and white box models are combined and with the help of a test bench parametrised. Afterwards, the …” „… Calibration Software and function test Problems Availability of prototype vehicles Optimisation needs …”

M. Bhai, X. Shan Design of a hybrid mode and shift coordinator [hmsc] for the central control software of a range extender powertrain S. 137-138

„… test bench and a demo vehicle. The HMSC, which is a key component of the central control SW, will be …”

M. Bahne, U. Frey CO2 potentials of DCTS - competition benchmark and technology outlook S. 5-6

„… measured using the WLTC (Worldwide Harmonized Light-Duty Vehicles Test Cycle). As is known, the WLTC has …” „… CO2 Potentials of DCTs – Competition Benchmark and Technology Outlook Martin Bahne, Ulrich Frey …” „… future powertrains. CO2 Potentials of DCTs – Competition Benchmark and Technology Outlook Martin …”

doi.org/10.51202/9783181023136

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LAND.TECHNIK 2020

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2374 2020

Treffer in den folgenden Teilen:

A. Roth, C. Puls Development of a 3-speed gearbox in electric powertrain – Ground drive transmission for a commercial vehicle S. 23-30

„… 27 Fig. 8: Gear change Validation Test bench testing All operating points - known from …” „… the specification - were run through in the test bench program. Non-load test By means of finely …” „… was tested, parameterized and optimized at test bench. Fig. 9: Dynamic test rig Practical …”

U. Claes Development of an advanced grain handling system for a new combine range S. 383-386

„… practical use was ensured by intensive trials on the test bench and in the field. Strength tests were …” „… components had been largely determined and verified in the tests, the suitability of the components for …” „… carried out using FEM calculations and corresponding test rigs. In various regions around the world, a …”

M. Pußack, I. Stasewitsch, L. Frerichs Investigations of a cutter bar operated in resonance mode with an electric direct drive S. 151-156

„… reference amplitude in tests on a stationary test bench. The first approach is characterized by its fast …” „… adapt to uneven ground. The power and control electronics for the test operation are located on the …” „… provide the electrical energy for the test operation, a generator is attached to the rear of the machine …”

S. Raikwar, T. Herlitzius, J. Fehrmann Autonomous Navigation Strategy for an Orchard Robot Using Simulation Design S. 425-434

„… : elWObot test bench The control algorithm for the robot navigation was tested in the MATLAB 2D simulator …” „… laboratory with operating speed of 1 m/s and was able to navigate successfully. Additionally tests were …”

P. C. Etzbach, T. Rademacher, U. Rubenschuh Determination of grain losses and broken grains S. 195-202

„… lossthroughput-characteristics and broken grains exists in the ratio of result to effort. Within a benchmark-test, carried out …” „… benchmark tests Paul Christian Etzbach B.SC, Prof. Dr. agr. Thomas Rademacher, Technical University of …” „… the framework of a combine harvester benchmark test, the results of the pan method and the DLG …”

I. Schröter, M. Keppmann, M. Mergenthaler, J. Stiegemann The application of mobile eye-tracking to improve the usability of touch terminals for farm vehicles: an example S. 233-244

„… approaches to test newly developed human-machine interfaces. Due to these time constraints conducting …” „… participants’ gaze behaviour. In addition, the test persons answered a questionnaire that supports and …” „… deactivate the Cruise Pilot. Actually, the test persons could have then returned directly to the main menu …”

doi.org/10.51202/9783181023747

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