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VDI Wissensforum GmbH - SIMVEC Simulation und Erprobung in der Fahrzeugentwicklung 2016

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VDI Wissensforum GmbH (ed.)

SIMVEC Simulation und Erprobung in der Fahrzeugentwicklung 2016

Series: VDI-Berichte

Volume 2279 2016

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K. Pfeiffer, R. Merl NVH Kalibration auf einem Powertrain-In-The-Loop Prüfstand S. 833-848

„… regulations (pass-by noise…) Compensation of RDE effects on NVH behavior. Fulfillment of customer …” „… NVH Kalibration auf einem Powertrain-In-The-Loop Prüfstand Nvh Calibration on a …” „… vom Motor bis zur Radnabe aufgebaut. Der Prüfstand ist in der Lage NVH-Prüfaufgabe und auch reale …”

doi.org/10.51202/9783181022795

VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2018

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VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain For Vehicles 2018

Series: VDI-Berichte

Volume 2328 2018

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R. Buchberger, O. Grieshofer, K. Puchner, R. Sereinig System optimization of electric drives in terms of lightweight design, acoustics and efficiency by means of modern transmission simulation methods

„… & Harshness (NVH) behavior. Fig. 1: MPT eDrive System VDI-Berichte Nr. 2328, 201832 2. Development …” „… with respect to good NVH behavior. It must be avoided, that excitation orders of the electric machine …” „… profile contact ratio should be as low as possible for good efficiency. For good NVH behavior and …”

C. Braykoff, B. Zornek, K. Johann Moser, C. Wirth Modular drivetrain concept for electrical commercial vehicles

„… specification of the modular concept in detail. Furthermore investigations and test results regarding the NVH …” „… behavior will be presented. VDI-Berichte Nr. 2328, 2018 83 Höhere Anforderungen und strengere …” „… Konzepts sowie Untersuchungen und Versuchsergebnisse zum NVH-Verhalten. VDI-Berichte Nr. 2328, 201884 …”

B. Chamberlin, E. Gold HEV P2 module concepts for different transmission architectures clutch and e-motor options

„… resources, and/or the eco-friendly behavior of consumers. For HEVs, a common nomenclature is in place …” „… potential for further chain driven assembly integration. It’s important that potential NVH (noise vibration …” „… motor selection and development. These include, but are not limited to, topics such as packaging, NVH …”

M. Hofstetter, D. Lechleitner, M. Hirz, M. Gintzel, A. Schmidhofer Multi-objective gearbox design optimization for xEV-axle drives under consideration of package restrictions

„… ; also favorable noise, vibration and harshness (NVH) behavior is a key design goal (although not yet …” „… characteristics, e.g. lubrication, deformation of the housing, acoustic behavior (NVH), rotor stability and park …” „… time it seriously lowers the quality of the result. This behavior is in strong conflict with the aim …”

A. Dietrich, H. Klampfl “Friction Stir Welding” – Lightweight through manufacturing technology – The path from a concept to revolutionary gearbox manufacturing

„… put attention on the NVH behavior of the new system. A reduction of local stiffness can support a …” „… to NVH issues. Both the strength- and the NHV properties were optimized using simulation tools …”

M. Bahne, U. Frey, G. Schlager Transmission technology contribution to CO2 roadmap – a benchmark

„… , NVH, and costs. While consumers continue to demand ever-greater performance, driving range, and …” „… factors encompass the vehicle itself (weight, rolling resistance, chassis, suspension, NVH, drivability …” „… power, NVH, and drivability. For example, comparing a DCT to a CVT or AT says little if the DCT is …”

doi.org/10.51202/9783181023280

VDI Wissensforum GmbH - Testen und Validieren elektrischer Antriebsstränge

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Testen und Validieren elektrischer Antriebsstränge

Series: VDI-Berichte

Volume 2412 2023

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F. Duchi, M. Ivarson, B. Wultsch Novel Methodology of E-Drive testing, calibration and optimization S. 45-72

„… efficiency but also on the torque ripple and NVH behavior since they are also part of the optimization …” „… improved NVH behavior, and an improved system efficiency compared to the baseline with -0.9% cumulated …” „… efficiency, high dynamic ripple and NVH  Simulation data as pre knowledge for models running at the testbed …”

doi.org/10.51202/9783181024126

VDI Wissensforum GmbH - International Conference on Gears 2019

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International Conference on Gears 2019

Series: VDI-Berichte

Volume 2355 2019

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K. Stahl Foreword S. 1-2

„… regarding the efficiency, NVH-behavior, cost and load-carrying capacity of gears are presented. The …” „… of the conference is the NVH-behavior of geared transmissions. Not only for automotive powertrains …” „… , the NVH-behavior gets more and more into the focus. Several contributions to the conference address …”

J. Fechler, S. Oberle, M. Knopfle, V. Merz Improvement of the noise and vibration behavior of an electromechanical brake booster – An integral approach S. 1431-1442

„… and concepts results in strong requirements for a good noise, vibration and harshness behavior (NVH …” „… systems NVH behavior and to tap possible potential of improvement. 2. Approach It is well known that the …” „… NVH behavior. Therefore additional rubber elements are placed in the bearing system of the …”

T. Kleiber DIN Q6 meets DIN Q10 – Need for modern internal gear production S. 415-424

„… with respect to correlate between NVH behavior of the car and the geometric deviations / gear quality …” „… production and creates the ability of comparing them to NVH Behavior of the overall system (car, gearbox on …” „… Nr. 2355, 2019 415 1. Challenge – Design space and NVH A meaningful discussion about noise is …”

A. D. Rauch, C. Wirth An easy-to-use and fast computational model for the prediction of the influence of manufacturing errors on gear transmission error S. 645-656

„… a-priori unexpected low frequency excitations. Furthermore, causal links between NVH behavior and …” „… deformations are negligible compared to the magnitude of manufacturing errors which may then cause severe NVH …” „… microgeometry and in troubleshooting noticeable NVH problems. VDI-Berichte Nr. 2355, 2019 645 1 …”

F. Andary, G. Jacobs, J. Berroth Application of pre-calculated gear mesh stiffness on elastic gear bodies in multi-body simulation S. 1087-1098

„… a great significance on the Noise, Vibration, and Harshness (NVH) behavior in the system …” „… (MBS) is an essential tool for mechanical engineers for predicting the dynamic behavior of mechanical …” „… . Predicting this behavior is an important factor in estimating the stability and comfort of the system as …”

R. Weidig, H. J. Weimar Powertrain NVH improvement with high-performance polymer gears S. 1421-1430

„… Powertrain NVH improvement with High-Performance Polymer Gears Dipl.-Eng. Ralf Weidig, Victrex …” „… systems, cam gears, pump and accessory drives can become an NVH (Noise, Vibration, Harshness) issue. The …” „… to considerably reduce NVH in engine related application areas like mass balance systems, camshafts …”

Titelei/Inhaltsverzeichnis

„… , Okayama University, Okayama, Japan; K. Ishimoto, A. Ueda, IHI Corporation, Yokohama, Japan f NVH Bionic …” „… for high efficiency drives, taking into consideration NVH and strength …” „… University, Chongqing, China A study of dynamic behavior of tractor pto driveline to analyze a rattle noise …”

F. Mieth, B. Schlecht Loaded tooth contact analysis of bevel gears with complex gear body S. 185-192

„… influence of local stiffness variations in the gear body and shows the impact on the deformation behavior …” „… graphs. These results leads to the conclusion that for a detailed LCTA investigation including the NVH …” „… deformation behavior. It can be shown that the verifiable deformation influences are mainly due to the …”

J. Neufond, E. Rigaud, J. Perret-Liaudet, A. Carbonelli Influence of tooth profile modifications on the dynamic behavior of a planetary gear set – Experimental investigation and numerical validation for different amplitudes of tooth profile modifications S. 765-776

„… Influence of tooth profile modifications on the dynamic behavior of a planetary gear set …” „… aim of this work is to perform an experimental and numerical investigation of the dynamic behavior of …” „… and on the dynamic behavior of the planetary gear set. The first sample consists in standard gears …”

F. Concli, C. Gorla Dynamic models for planetary gearboxes SHM S. 471-480

„… dangerous but causes a degradation of the NVH (Noise, vibration, and harshness) behavior of the system …” „… describe the behavior of the gearbox, both in healthy conditions and in the presence of damages, would …” „… represent a great support. Analytical studies of the behavior of planetary gearboxes are present in the …”

P. Scholzen, C. Lopenhaus, C. Brecher, D. Billenstein, F. Rieg, G. Hammerl Investigation of the influence of elastic gear body structures on the operational behavior of gears S. 785-796

„… modifications with regard to the tooth root load capacity and the NVH behavior. 1. Introduction, Objective …” „… Investigation of the Influence of Elastic Gear Body Structures on the Operational Behavior of …” „… evaluation of the influence on the operational behavior. First, the method for the simulation of free shaped …”

C. Natali, A. Rezayat, D. Park, P. Jiranek, T. Tamarozzi Analysis of manufacturing variability on the transmission error of an internal gear pair using a multibody framework S. 1099-1110

„… characteristics of transmission systems is crucial for the durability, NVH and acoustic comfort in different …” „… behavior of transmission systems in operating conditions often involves phenomena related to the complex …” „… actual operating conditions is the lack of proper simulation tools allowing one to predict the behavior …”

M. Geitner, T. Tobie, K. Stahl, B. Zornek Investigations on the pitting load capacity of internal spur and helical gears S. 301-314

„… improved NVH behavior and higher pitting resistance acc. to ISO 6336. However, systematic experimental …” „… NVH behavior and load carrying capacity, the planetary gears are often designed as helical gears …”

D. Park, F. Santini, A. Rezayat, T. Tamarozzi, J. Pavel Experimental and numerical investigation of helical gear transmission error under gear misalignments S. 355-366

„… . Jiranek Pavel, Siemens Industry Software, Leuven, Belgium Abstract The reliability and NVH …” „… of the static and dynamic system behavior for comparison with simulation results. However, it is a …” „… the gear contact behavior in industry for various gear pair assembly conditions with different …”

J. Brimmers, M. Willecke, C. Lopenhaus, C. Brecher Investigation of the potential of using surrogate models in the gear design process S. 727-740

„… geometry. Each set of micro geometry parameter has a changing influence on the operational behavior of …” „… behavior of the engineering system. Possible approximation types for surrogate models are shown in Figure 1 …” „… used for the gear design process There are several gear design objectives (durability, efficiency, NVH …”

S. Matkovič, A. Pogačnik, M. Kalin Comparison between VDI 2736 wear calculation and experimentally obtained results S. 1311-1322

„… 5. References in this document [1] Singh A. K., Singh P. K.: Polymer spur gears behaviors under …” „… Mechanical Contact Behavior of Polymer Gears. Journal of Tribology 141 (2018) 10 pp. 1–10 [9] Wright N. A …” „… consequences on NVH and lifetime. International Gear Conference (2015) 12 pp VDI-Berichte Nr. 2355, 2019 …”

doi.org/10.51202/9783181023556

VDI Wissensforum GmbH - International Conference on Gears 2022

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International Conference on Gears 2022

Series: VDI-Berichte

Volume 2389 2022

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A. Hessler, B. Neubauer NVH-performance versus Costs – Coherent R&D for gears, system and manufacturing S. 103-118

„… - Excitations and NVH-behavior Excitations, the origin of noise caused by gear meshes, have a high impact on the …” „… NVH behavior of the entire e-axle system. Subsidiary orders (e.g., beats, ghosts) caused by periodic …” „… NVH-Performance versus Costs – Coherent R&D for Gears, System and Manufacturing Interaction …”

S. Ebrahimi, J. Langhart, D. Marano NVH calculations for drivetrains, a methodology for selection of the best suitable calculation approach for a specific purpose S. 75-90

„… NVH Calculations for Drivetrains, A Methodology for Selection of the Best Suitable Calculation …” „… transient loads are evaluated. In case of the NVH evaluation, furthermore the housing is excited by the …” „… emission level of a gear set is directly related to the excitation behavior of the powertrain. The …”

S. Oberle, V. Labriola, E. Melnikov, G. Gariglio High performance plastic gear solution in the engine environment S. 1033-1044

„… ones allowed relevant improvements in terms of NVH behavior, friction, weight / inertia and cost …” „… damping properties, which has a positive effect on NVH behavior. The tooth mesh will react tolerantly to …” „… wear and NVH behavior. The change in dimensions can be reduced to an acceptable level by using this 2K …”

N. Hessinger, M. Braunstingl, H. Bansal Advanced use of DOE in gear geometry optimization S. 281-286

„… NVH-behavior, gear durability and efficiency through hypoid gear macro-geometry optimization N. Hessinger, M …” „… areas of NVH as well as efficiency and durability. Design of experiment paired with advanced …” „… by further comparing dynamic results of the NVH response of the system to real test data. Hypoid …”

B. Zhmud, M. Bengtsson, L. Everlid Improving the tribological and nhv behavior of gears by mechanochemical surface finishing S. 1365-1370

„… Improving the Tribological and NHV Behavior of Gears by Mechanochemical Surface Finishing The …” „… ) vehicles also bring up some new challenges, such as increased requirements for NVH performance in high …” „… increased sensitivity related to the NVH behaviour. Surface specifications and tooth geometry have a big …”

K. Stahl Foreword S. 1-2

„… subjects of the conference are the NVH-behavior and gear dynamics of geared transmissions. Furthermore …” „… , measures to reduce excitation behavior are developed and analyzed from different perspectives in numerous …”

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

„… significant. Compared to PA46, GENESTAR™ is offering smaller backlash, leading to a better NVH be-havior (due …” „… is offering smaller backlash, leading to a better NVH behavior (due to the low deviation of rotation …” „… processing behavior to achieve a light, compact and modular design of the shown coolant control valve here …”

P. Rodel, R. Spieler, M. Indenbirken, T. Nuisl Holistic friction optimization of transmissions – a significant contribution for sustainability S. 731-744

„… development. For this purpose, a deeper understanding of the complete system and its operating behavior is …” „… error for gear stages on the one hand and rating life and NVH for bearings on the other hand. This …” „… , targeted, and application-oriented design regarding load capacity, acoustics (NVH) and energy efficiency …”

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

„… , combining high resilience and sliding prop-erties with the additional benefits of an improved NVH behavior …” „… efficiently and be further reduced in power and weight while allowing the same dynamic behavior of the …” „… gearboxes, PEEK gears are expected to have a high impact on the sound behavior of the highest-turning gear …”

F. Eigner, S. Heinrich, M. Berger An approach on contact analysis for micro geometry optimization of the gear unit HypoGear S. 943-950

„… offset occurs at the edges and especially at the corners. This leads to a better behavior in terms of NVH …” „… " and provides information about the general feasibility and contact behavior in a short time. On the …” „… necessary to allow even more precise statements about the contact behavior in line with the gear calculation …”

Titelei/Inhaltsverzeichnis

„… . Pinnekamp, RENK AG, Augsburg;S. Marburg, Technical University of Munich-VIB, GarchingNVH-performance versus …” „… University of Munich, Garching, GermanyInfluences on the Excitation Behavior of Lightweight Planetary …” „… . Nuißl, Schaeffler Technologies AG & Co. KG, Herzogenaurach, GermanyCoefficient of friction behavior of …”

D. Park, A. Rezayat, Y. Gwen Gear design optimization for multi-mesh and multi-power flow transmissions under a broad torque range incorporated with multibody simulations S. 849-862

„… involve multi-mesh assembly conditions to account for coupled gear meshing behaviors. Furthermore, the …” „… captures gear contact behaviors under system deflections. In addition, to deal with large-scale …” „… , 200, 300, 400, 500} Nm • Dynamic behavior such as dynamic amplifications under resonance is not …”

A. Turich Gear hard finishing with up to 100% in-process inspection S. 1583-0

„… density demands for gears and the growing importance of excellent noise behavior, especially with latest …” „… due to NVH and other topics leading to increasingly tight tolerances. Clearly, this high dependency on …”

doi.org/10.51202/9783181023891

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