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VDI Wissensforum GmbH - Testen und Validieren elektrischer Antriebsstränge 2024

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VDI Wissensforum GmbH (ed.)

Testen und Validieren elektrischer Antriebsstränge 2024

Series: VDI-Berichte

Volume 2431 2024

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L. Kopp, F. Schmid, J. Molan, T. König, A. Kolluru, E. Hoffmann, M. Kley Evaluation of sensor signals using a normal distribution analysis considering temperature influences S. 65-80

„… networkPredicted signalResidual distributionDistribution rangeResidual distribution range11123Steps:Decompose time …” „… Evaluation of sensor signals using a normal distribution analysis considering temperature …” „… evaluation. In this paper, the normal distributions of the residuals of different sensor signals are analyzed …”

A. Kremser Berechnung und Messung von Motor- und Umrichterverlusten nach IEC 61800-9-2 ED2/Calculation and measurement of motor and converter losses according to IEC 61800-9-2 ED2 S. 111-120

„… most efficient converters and drive systems and the determination of the energy loss for the load …” „… fundamental currents IS and . Stator and rotor current depend on the load torque; the current ohmic losses are …” „… therefore load-dependent. Stator Rotor The iron losses are frequency- and therefore speed-dependent; in …”

doi.org/10.51202/9783181024317

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VDI Wissensforum GmbH (ed.)

Dritev 2022

Series: VDI-Berichte

Volume 2401 2022

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Z. Liu, V. Stegmayer, S. Rinderknecht, U. Fechter Multiphase CFD investigation of splash lubrication S. 169-184

„… study of the lubricant distribution in the sump and quantitative analysis of the hydraulic stresses on …” „… rotating speed and the lubricant temperature are the major influence factors of lubricant distribution and …” „… the end. Keywords CFD simulation, Oil distribution, Churning losses, Influence factors, Comparison …”

A. J. Wimmer High-Speed Testing: The Fast Lane towards a Running System S. 365-380

„… a test-rig set-up. As explained in the preceding sections the mass and mass distribution of the …” „… weight, and especially regarding weight distribution. A prelimi-nary design of this high-speed cardan …” „… often used, since they allow higher speeds compared to rolling bearings, and their load capacity is …”

D. Held The EtelligentReach Project – A new Level for Range and Dynamics S. 267-276

„… axle to be disconnected, and thus assures load point shifting at the front drive. In the 2nd phase of …” „… a higher load and thus at optimal efficiency. When re-coupling the other motor for all-wheel drive …” „… torque distribution as well as the lateral torque distribution on the rear axle within ms depending on …”

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

„… corresponding adaptions of the control types. Reproducing real-load conditions is a particular challenge, since …” „… evaluated. In addition, the load conditions of the powertrain are investigated by evaluating the torque and …” „… speed curve. The longitudinal dynamics simulation generates load conditions that take into account …”

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

„… distribution, e.g. kerb descent, level crossings, one-sided wheel slip, bumpy road) torque load peaks of …” „… powertrain parts. The shifting elements either realise different load paths, e.g. transmission paths, or …” „… load peaks (torque limitation). This is realized by automatic slip. In the event of a blocking drive …”

T. König, L. Stütz, L. Bauer, M. Kley Model-based simulation of a longitudinal dynamics vehicle model with a single-wheel drive S. 381-396

„… test rig with varying speeds and loads. Based on the test data, an efficiency model is generated using …” „… corresponding tests are carried out on a test rig as a function of different speeds and loads of the …” „… efficiency [11]. ??? (2.2) The total power loss of a transmission can be divided into load-dependent and …”

K. Lee, M. Song, S. Lim Multi-body Dynamics of a Vehicle Axle System Based on a Time-varying Gear Mesh Model for Investigating Hypoid Gear Noise and Vibration S. 185-196

„… ), can be derived from the load distribution results calculated by a three-dimensional quasi-static …” „… include gear mesh properties with respect to torque load applied to the pinion and those roll angles …” „… increasing torque at a lower load range but reaches an under-limit as the load continues to rise beyond 500Nm …”

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

„… benefit of using just one of the downsized EMs with high-utilization in part load driving scenarios which …” „… in general results in a higher efficiency compared to the use of a single high-power EM in part load …” „… distribution between the EMs (if two are available) are calculated and saved for each gear. By VDI-Berichte Nr …”

M. Schröder, K. Herold, C. Monissen Efficiency Increase of Electric Machines with Active Thermal Field Weakening S. 119-132

„… . If the temperature can be increased in a controlled manner at low load oper-ating points, the …” „… reduced. At full-load acceleration – the range of peak torque and power that is rare-ly demanded – a …” „… color is the operating point distribution that re-sults for the vehicle under study for the worldwide …”

F. Duchi, M. Ivarson, A. Schmitt, F. Haag Innovative E-Drive testing and software optimization – Key to maximize range, comfort and robustness of modern electric powertrains S. 37-60

„… current and load angle operation. Fig. 8: The transformation from geometrical to electromagnetic …” „… resulting variation range of the EME parameter gaussian distribution. The testing environment makes it …”

doi.org/10.51202/9783181024010

Behrend Bode - Entwurf von thermisch und mechanisch belasteten Bauteilen durch Lasttrennung

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Behrend Bode

Entwurf von thermisch und mechanisch belasteten Bauteilen durch Lasttrennung

Series: Berichte aus dem iPeG

Volume 01/2024 2024

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Titelei/Inhaltsverzeichnis

„… pressures, is particularly challen-ging. For the material distribution under mechanical loads like pressure …” „… loads using load separationAdditive manufacturing enables the production of free-form surfaces. Due to …” „… structures that withstand multi-physical loads.The combination of load types, such as high heat input and …”

A LSTO für Abaqus - Python Kode S. 113-122

„… import *5 from assembly import *6 from step import *7 from interaction import *8 from load import *9 from …” „… =0.003 , filmCoeffAmplitude =’’, name=’film_cc1 ’,321 sinkAmplitude =’’, sinkDistributionType =UNIFORM …”

doi.org/10.51202/9783959009300

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Konstruktion

Browse Volumes: Konstruktion

Konstruktion Volume 75 (2023) Issue 03 ISSN Online: 0720-5953

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Marvin Zander, Michael Otto, Karsten Stahl Definition eines Faktors zur Bewertung der Pressungsverteilungen in den Kontakten von Rollenlagern/Definition of a coefficient to evaluate the pressure distributions in the contacts of roller bearings S. 60-67

„… contacts based on individual load and inner bearing geometry. A tool to assess the pressure distribution is …” „… pressure distributions in the contacts of roller bearings is presented. Likewise, the face load factor for …” „… contact stress KHß, which is commonly used to assess the distributions of load over the facewidth, the …”

doi.org/10.37544/0720-5953-2023-03

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Bauingenieur

Browse Volumes: Bauingenieur

Bauingenieur Volume 97 (2022) Issue 04 ISSN Online: 0005-6650

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Ilias D. Thanasoulas, Charis J. Gantes Analysis and Design of Steel Arches/Analyse und Bemessung von Stahlbögen S. 91-98

„… arches are employed accounting for reliable residual stress distributions and geometric tolerances …” „… point of view, arches are able to cover long spans without intermediate sup-ports, as loads are carried …” „… and loading distributions, pure axial compression is developed along the entire arch length. Because …”

doi.org/10.37544/0005-6650-2022-04

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