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VDI-Wissensforum GmbH - DRITEV – Drivetrain for Vehicles 2021

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VDI-Wissensforum GmbH (Hrsg.)

DRITEV – Drivetrain for Vehicles 2021

Reihe: VDI-Berichte

Band 2381 2021

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A. Fröhlcke, M. Felbermaier, A. Britten, P. Fietkau Finite element approach for analyzing noise and vibration in electric drives S. 47-60

„… Finite element approach for analyzing noise and vibration in electric drives Dr.-Ing. A …” „… , for example, as electric drives mostly have lower noise emissions and the previous concealment of …” „… attention must be paid to noises that are now experienced as a disturbance by vehicle occupants and were …”

P. Barve Gear Design Challenges of 2-speed-AMT High Torque E-Drives S. 499-516

„… . VDI-Berichte Nr. 2381, 2021514 7. References [1] Smith, J. D.: Gear Noise and Vibration,2nd Edition. New York …” „… the teeth and the subsequent vibrations through the system [1]. Peak-to-peak Transmission Error (PPTE …” „… Noise and Stress Minimization over a Broad Operating Torque Range. Gear Technology, July 2008, 42 – 55 …”

M. Häßler, O. Werner The Pendulum Rocker Damper – Providing flexible damper characteristics for hybrid powertrains S. 329-346

„… vibrations and clatter noise. Figures 12, 13 and 14 show the corresponding basic simulations. The results …” „… and disturbing noise, the main task of torsion dampers within drivetrains is to keep irregularities …” „… Vibrations – Full Isolation if Necessary, VDI-Berichte 2354, pp. 313 - 328, VDI-Congress Dritev, July 10 and …”

A. R. Lowis, R. Smith hofer H8-DCT-850 – High Performance Dual Clutch Transmission for transaxle application S. 179-190

„… . In addition, stringent NVH (Noise, Vibration and Harshness) targets were set, to ensure a refined …” „… a significant excitation factor and contributes to audible noise, noticed in vehicle as gear whine …” „… Abstract The new H8-DCT-850 eight-speed dual-clutch transmission has been designed and developed by hofer …”

Titelei/Inhaltsverzeichnis S. I-XVI

„… for analyzing noise and vibration in electric drives � � � � � � � � � � � � �47 A …” „… Friedrichshafen AG 21st International VDI Congress Dritev October 13 and 14, 2021, Bonn, Germany VDI-BERICHTE …” „… components for hybrids and e-drives Simulation and AI-supported design in development Plenary speeches …”

A. Nees Flexible Electro-hydraulic Actuation System for Multi-speed Electrified Drivetrains – Requirements and Concept S. 275-290

„… benefits they can contribute to increasing range and reducing noise and vibration,. This potential is not …” „… . Sie können unter anderem dazu beitragen, die Reichweite zu erhöhen und Geräusche und Vibrationen zu …” „… Requirements and Concept Dipl.-Ing. Alexander Nees, BorgWarner Drivetrain Engineering GmbH, Ketsch …”

D. Lechleitner, M. Hofstetter, M. Hirz, C. Gsenger, K. Huber Parking Lock Integration for Electric Axle Drives by Multi-Objective Design Optimization S. 303-318

„… spectrum is investigated and aspects regarding noise, vibration, harshness (NVH) are considered …” „… hängen unter anderem von der Einbauposition der Parksperre ab und müssen bei der Auslegung des Antriebs …” „… velocities and while driving downhill, VDI-Berichte Nr. 2381, 2021 303 leading to high loads on the e-drive …”

doi.org/10.51202/9783181023815

VDI Wissensforum GmbH - Schwingungen von Windenergieanlagen 2016

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VDI Wissensforum GmbH (Hrsg.)

Schwingungen von Windenergieanlagen 2016

Reihe: VDI-Berichte

Band 2281 2016

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M. Puff Reducing vibration and noise levels in wind turbines by means of Visco-Elastic-Supports (VES) S. 231-248

„… Reducing vibration and noise levels in wind turbines by means of Visco-Elastic-Supports (VES …” „… vibration isolation and noise performance the mount suppliers are dealing with a variety of different mount …” „… which occurs as amplification of vibration magnitude and significant increase of noise level emission …”

D. Nalliboyana, J.-P. Yrjönen, M. Klönne Optimization of Gear Configuration for the WTG Dynamic Vibration Responses S. 121-130

„… resonances, have low dynamic response (vibrations) and eventually leading to a lower noise emission …” „… order to minimize the vibration response on major structural components and to minimizes the WTG noise …” „… with direct vibration transfer paths to the WTG structure. In this study gear mesh frequencies and …”

A. Tributsch, S. Appel, F. Kirsch Prognose der durch Windenergieanlagen verursachten Schwingungsimmissionen an hochsensiblen Anlagen S. 159-170

„… ., England R., Wright, M.: Microseismic and Infrasound Monitoring of Low Frequency Noise and Vibrations from …” „… [8] (VC = vibration criteria) international etabliert. Diese Kurven geben unabhängig vom Standort …” „… mit geringfügig anderen Bodenschichtungen und einem baugleichen WEA-Typ eignet sich das angepasste …”

doi.org/10.51202/9783181022818

VDI Wissensforum GmbH - International Conference on Gears 2019

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2019

Reihe: VDI-Berichte

Band 2355 2019

Treffer in den folgenden Teilen:

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

„… Improvement of the noise and vibration behavior of an electromechanical brake booster – An …” „… how the noise and vibration behavior of the system is analyzed, which promising solutions are worked …” „… and concepts results in strong requirements for a good noise, vibration and harshness behavior (NVH …”

M. Heider, B. Pinnekamp, A. Beinstingel Planetary gears: modes, noise and modifications application and validation of simulation and experiment S. 57-68

„… impacts of gear design and flank modification on noise and vibration excitation are theoretically …” „… 252, 1985 [2] Müller, R.: Vibration and noise excitation with toothed gears, Dissertation at …” „… Planetary Gears: Modes, Noise and Modifications Application and Validation of Simulation and …”

M. Fromberger, S. Sendlbeck, M. Rothemund, J. Gotz, M. Otto, K. Stahl Comparing data sources for condition monitoring suitability S. 257-268

„… a gear mesh. Consequently, vibration excitation of gears can be relevant for noise (and thus can be …” „… . 2355, 2019258 Basics of Involute Gears and their Vibration Excitation Behavior As mentioned, the …” „… pairs excite vibrations when operating under load. Mounting and manufacturing deviations influence this …”

L. Stocco Complementary strengths of orbitless & planetary drives S. 1485-1496

„… Planetary drive, and is shown here to produce less vibration and noise at the expense of reduced torque …” „… identified and SimulationX [7] is used to demonstrate reduced Orbitless planet vibration. It is proposed …” „… and noise is recorded and analyzed to support the proposal made in Section 2. Finally, a summary and …”

D. Iba, I. Moriwaki, H. Noda, H. Inoue, M. Kim Visualization of phase differences between tooth helix deviations using graph theory S. 1191-1198

„… manufacturing error of gears which cause vibration and noise during operation. Especially, this paper proposes …” „… deviations between all tooth flanks, which could also include the factors of gear vibration and noise. To …” „… (network) images representing manufacturing error of gears which cause vibration and noise during operation …”

J. Ahn, C. H. Choi, J. H. Yu, S. C. Kim A study of dynamic behavior of tractor pto driveline to analyze a rattle noise S. 461-470

„… fatigue and discomfort, improvement and research for reducing gear rattle noise are required. Generally …” „… driving gear and engine has not been studied sufficiently in order to avoid the gear rattle noise. In …” „… user feels anxious and uncomfortable. Furthermore, since the gear rattle noise is generated in an idle …”

K. Takaki, M. Sugimoto Optimization of hypoid gear macro/micro geometries for high efficiency drives, taking into consideration NVH and strength S. 367-378

„… gear meshing friction adversely affects noise, vibration and harshness (NVH) and strength. A method …” „… loss, strength, vibration and noise. This paper describes the optimization of hypoid gear macro and …” „… reduce gear strength and worsen noise and vibration performance. Therefore, the use of other parameters …”

Y. Hawwari, J. Touzet, H. Andre, H. I. Cakar, I. Khelf, L. Alloin Ring gear tooth cracks detected using instantaneous angular speed: wind turbine application S. 1039-1052

„… of maintenance operations indicators including : the vibration levels evolution and the amount of …” „… methods such as vibration [1] and oil analysis [2]. However, as it will be presented in the first part of …” „… manifest slow and varying speed, as it is sensitive to noise in low speed and is unable to follow the …”

K. Landet, J. Perret-Liaudet, E. Rigaud, J. Y. Guerder, M. Fraces Experimental study of railway gearbox whining noise S. 79-90

„… Trains: A Review of Results in the TGV Case,” Noise and Vibration Mitigation for Rail Transportation …” „… Geared Systems—Predicting and Controlling the Whining Noise,” Automotive NVH Technology, Springer, pp …” „… . 63–79. [3] Poisson, F., Gautier, P. E., and Letourneaux, F., 2008, “Noise Sources for High Speed …”

A. Pogačnik, U. Kissling Layout of profile modifications for symmetric and asymmetric plastic gears S. 1461-1472

„… vibration and noise behaviour of the gear mesh. The main task of profile modifications is to compensate for …” „… of noise and vibrations can be achieved by selecting appropriate material combinations, by …” „… is not the main design criteria anymore. NVH (noise-vibrations-harshness) is becoming very important …”

K. Liu, H. Liu, W. Shi Investigation on dynamic behavior of differential gearing with herringbone teeth S. 1215-1222

„… provides a theoretical basis for the dynamic design and vibration noise evaluation of the coaxial …” „… the dynamic design and vibration noise evaluation of the coaxial counter-rotating system …” „… and mode vectors, the vibration modes corresponding to different frequencies are obtained, as shown …”

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

„… systems, cam gears, pump and accessory drives can become an NVH (Noise, Vibration, Harshness) issue. The …” „… and EV’s without any ICE masking noise. The paper will present efforts to validate this …” „… high-output engines mostly have inherent vibration and NVH issues, while customers have increased …”

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

„… cylindrical gears with fixed and parallel axes, predicting and controlling the whining noise emitted from a …” „… . Cooley, RG. Parker, A review of planetary and epicyclic gear: dynamic and vibration research, Applied …” „… systems – predicting and controlling the whining noise. Automotive NVH Technology, Fuchs A, Nijman E and …”

S. Nowoisky, M. Grzeszkowski, C. Guhmann, J. G. Pelham Monitoring concept study for aerospace power gear box drive train S. 269-286

„… the art for gearbox vibration monitoring and serves to reduce noise significantly. A more advanced …” „… , and vibrations. Using a gearbox in a turbojet engine introduces additional failure modes such as …” „… time-dependent vibration signal, which can consist of acceleration sensor and AE sensor signals, is merged with …”

R. Slatter Condition monitoring of gearboxes using magnetoresistive sensors S. 229-244

„… .: Gear Noise and Vibration (2nd Ed.). New York. Marcel Dekker 2005 [11] Klocke, F. & Brecher, C …” „… classic approach is to measure vibration and acoustic emission is an associated technique. Furthermore …” „… components or failure mechanisms in drivetrains for example, vibration, force, rotational and/or linear …”

A. Carbonelli Transferring knowledge about gear systems to machines in order to improve diagnosis efficiency S. 1065-1076

„… relies on one’s ability to extract information from the redundancies and the noise. 3. The database …” „… to different vibration signatures. Faults are present on gears, bearings and shafts, each associated …” „… comparison lower levels of vibration and could have been detected as healthy. VDI-Berichte Nr. 2355 …”

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

„… gearbox housing as an excitation force through bearing resulting in acoustic noise and vibration at the …” „… “ECO-Powertrain”. VDI-Berichte Nr. 2355, 20191108 References [1] Smith, J. D.: Gear noise and vibration. 1999 …” „… Mechanical Engineers, 172(1):87-112, 1958. [3] Tuma, J.: Vehicle Gearbox Noise and Vibration: Measurement …”

Titelei/Inhaltsverzeichnis S. I-XXVI

„… Improvement of the noise and vibration behavior of an electromechanical brake booster – An integral approach …” „… : modes, noise and modifications application and validation of simulation and experiment …” „… , France f Dynamic Investigation of dynamic modeling and vibration transmission characteristics of …”

C. Chevrel-Fraux, R. Fargere, J. Bruyere, P. Velex Modelling of high power geared transmissions, introduction of a filling material S. 903-914

„… body of the larger gear (the wheel). But in certain cases, reduce noise and vibrations is also a …” „… systems by using continuous system model”, Journal of Sound and Vibration, 166(3), pp 539-556, 1993 [3 …” „… errors on gear dynamic”, Journal of Sound and Vibration, 191(5), pp 629-660, 1996 [4] Baud S., Velex P …”

M. Trubswetter, M. Otto, K. Stahl Evaluation of gear flank surface structure produced by skiving S. 1799-1812

„… modifications and periodic flank modifications will lead to low noise excitation. On a smaller scale, even the …” „… . The effects of machining parameters on the microstructures are analyzed and the impact on noise is …” „… 340 gears were manufactured and the noise behavior was rated by test persons [27]. Gravel analyzes …”

H. Blettery, D. Talbot, A. Kahraman, H. Xu A methodology for measurement of loaded transmission error of hypoid gear pair with misalignments S. 619-634

„… , confirming that misalignments should result in both noise and durability concerns for a hypoid gear pair …” „… , or misalignments, are known to influence the contact path and vibration excitations at the gear mesh …” „… misalignments Hugo Blettery, David Talbot, Ahmet Kahraman, Gear and Power Transmission Research Laboratory …”

Y. Cai, L. Yao, J. Ding, S. Ouyang, J. Zhang Analysis of dynamic transmission error for nutation drive with double circular arc gears under assembly errors and different loads S. 343-354

„… guiding significance for optimizing structural design and reducing vibration and noise. The mathematical …” „… spiral bevel gears is more stable and the noise is reduced under low load conditions. The study of the …” „… vibration stability in helical gears. Journal of Mechanical Science and Technology, 2014, 28(6):2253-2262 …”

J. Hongu, H. Noborio, T. Koide, A. Tamura Proposal of linear mapping model among machining processes for gear tooth surface using graphic analysis S. 1199-1206

„… Index of Vibration and Noise of Power Transmissions, JSME C, Vol. 56, No. 532, p. 3404-3409, C, 1990 …” „… vibration of gears [1], [2]. To effectively reflect these surface textures in gear meshing analysis and …” „… desired component g and the noise component h, the cepstrum analysis can separate the signal fc into the …”

B. Mahr, A. Pogacnik, A. Langheinrich Derivation of tooth stiffness of asymmetric gears for loaded tooth contact analysis S. 937-948

„… specific cases, also lower noise and vibration [4, 6]. The main drawback is a more complex manufacturing …” „… overall life. However, today’s applications also have critical noise and efficiency requirements. With a …” „… . Benjamin Mahr, Dr. Aljaz Pogacnik, Dr. Andreas Langheinrich, KISSsoft AG, Bauhar s.p. and Horst Scholz …”

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 …” „… presence and evolution of a surface damage can be evaluated based on the vibrations under operation. In …” „… formation and development of pitting produces significant sidebands and a high level of noise on the …”

P. Falbriard Index hobbing for asymmetrical gears S. 1181-1186

„… , Vendlincourt,Switzerland The components of a modern gearbox are optimized to minimize friction, weight, noise and …” „… vibration. These unfavorable elements lead to a loss of efficiency of the developed system. The shape of …” „… the gear teeth plays a crucial role in this assembly and can help to achieve the set optimization …”

D. V. Kalinin, J. Y. Temis Influence of tooth profile modification on planetary gear sets dynamic S. 777-784

„… largely determine the noise and vibrations in the drive as well as the durability of the gears and other …” „… stresses and vibrations in gears may be caused by using of standard parameters of tooth profile …” „… modification of teeth is shown. 1. Introduction The task of decrease dynamic forces and vibrations in …”

F. Lubos, Z. Roth Bionic tooth root: fatigue testing and potential on gear units S. 47-56

„… the materials 18CrNiMo7-6 and 16MnCr5 and noise reduction potential on gear units. 1. Introduction …” „… : fatigue testing and potential on gear units Dipl.-Ing. Florian Lubos, Dipl.-Ing. Zsolt Roth, VDI, J …” „… with a changed or unchanged face width resulting in a reduced gear noise up to 3 dB or more. This …”

A. Spatzig, N. Fujimura, T. Monden, T. Kikuchi, K. Yoshikawa, A. Georgoussis Machining process solutions to support the reduction of distortion in ring gears after heat treatment S. 1635-1646

„… . Even slightest distortions in the ring gear will lead to unwanted noise and vibration. Additionally …” „… demands on surface quality and accuracy, since efficiency and the reduction of noise and vibration (NVH …” „… Aachen University Abstract Ring Gears are present in all types of modern transmissions and need to …”

B. H. Kien, D. Iba, Y. Ishii, Y. Tsutsui, N. Miura, T. Iizuka, A. Masuda, A. Sone, I. Moriwaki Vibration-based plastic gear crack detection system using a pre-learned convolutional neural network S. 1443-1452

„… pre-learned from image data of ImageNet and relearned from the created images of vibration data with the …” „… were carried out to collect the vibration signals and tooth images of meshing POM gears. A large number …” „… of collected vibration and image data motivated us to apply the achievements of artificial …”

T. Inoue, S. Kurokawa Improving the Estimation accuracy of fishing reel sensation caused by gear vibration using tactile response delay time S. 1123-1134

„… response ratio. In addition, we applied the concept of td and derived the vibration detection limit only by …” „… reel sensation, and feels discomfort when the vibration is relatively large. The fishing reel sensation …” „… equation is verified by comparing the calculated result and the actual vibration sensation …”

E. Maier, T. Lohner, K. Stahl, P. Sperka, M. Hartl Detailed analyses of film thickness and friction in thermoplastic EHL contacts S. 1391-1400

„… machine elements in many ways. Mechanical damping reduces noise levels and injection molding allows cost …” „… that mechanical damping reduces not only noise levels but creates a local and internal heat source …” „… that is used for noise-vibration-harshness optimization but remains disregarded in tribological …”

K. Smrczkova Wear resistant plastics – Bespoke plastic compounds for plastic gears S. 1345-1356

„… lightweight constructions. And despite of the low weight a damping of vibration occurs and leads to low noise …” „… areas the friction leads to high abrasion and a noise generation (stick-slip-effect) is possible …” „… protect compounds and the fillers which are used to improve wear resistance of plastic materials …”

J. I. Pedrero, M. Pleguezuelos, M. B. Sanchez Load sharing model for high contact ratio spur gears with long profile modifications S. 985-996

„… the driven tooth tip, which induces noise, vibrations and dynamic load. To avoid these undesirable …” „… interval but increases the noise, vibration and dynamic load levels. Previous studies on the load transfer …” „… , the output velocity oscillates along the meshing cycle, so dynamic loads and vibrations are …”

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

„… requirements for gear noise and vibration - especially for the electric vehicles - demand more silent …” „… in-depth understanding of gear vibration, there are a series of factors to be evaluated; manufacturing and …” „… Experimental and Numerical Investigation of Helical Gear Transmission Error under Gear …”

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 …” „… adjacent components and indirectly through structure borne vibrations which propagate throughout the …” „… time-varying quantity which represents the total stiffness of the gear stage and is a main cause of vibrations …”

L. Hui, X. Changl, Y. Shouw, L. Cheng, Z. Chen, L. Yu Research on Dynamic Drum Shape Modification of Helical Gear Pair S. 1011-1026

„… vibration shock and roll vibration will occur, and its motion error will further increase[3]. In order to …” „… width vibration response and dynamic load distribution of the gear system are analyzed. On this basis …” „… . and W. Rouverol.Differential Crowning:A New Weapon Against Gear Noise and Dynamic Load[J].1996. [3 …”

J. Zhang, J. Wang Dynamic modeling and analysis of a star-wheel reducer S. 741-752

„… bearing premature fatigue and high level noise in the three-ring gear reducer, Yang and Zhang [7 …” „… largest modal energy and the most obvious vibration. 3) f3=113.5 Hz, except for the output shaft and the …” „… Systems and Signal Processing, 2018, 98: 852-876. [2]. Liu X, Yang Y, Zhang J. Resultant vibration signal …”

M. Zapf, J. Klose, F. Zanger, V. Schulze Analysis of process forces and surface topography when manufacturing case-hardened gears by double flanked hard skiving S. 1647-1658

„… positive influence on the noise excitation [7] and the capacity to hold oil under tribological load [8]. A …” „… Analysis of process forces and surface topography when manufacturing case-hardened gears by double …” „… and external gears to substitute gear grinding. Single flanked hard machining by skiving offers …”

K. Matsuo, Y. Suzuki, I. Moriwaki Simulation of tooth flank profile in the gear honing process S. 1707-1724

„… transmission gears undergo tooth flank modification because of the requirements for strength and noise …” „… , vibration and harshness (NVH) performance. Therefore, the new simulation has been developed such that it can …” „… in a series of processes consisting of hobbing, heat treatment and gear honing. In order to reduce …”

J. Cathelin Material data for advanced plastic gear simulation S. 1335-1344

„… like injection molding, their good vibration dampening, light weight, low maintenance and corrosion …” „… . Data, like the gear noise, transmission error and tooth wear, can also be recorded. The main …” „… guidelines, the JIS B1759 for Japan and VDI 2736 for Germany, are known. Moreover, designers are facing a …”

J. Tavčar, J. Kos, D. Zorko, J. Duhovnik A multi-criteria polymer gears design optimisation procedure S. 1473-1484

„… geometric values of the gears. 1. Introduction Polymer gears dampen vibrations well and can be …” „… , the geometry of the tooth profile is damaged. In the first phase, the noise level and temperature …” „… materials, and the complex relations between geometric and operating parameters. The national standards (BS …”

T. Fukuda, M. Nakagawa, T. Hirogaki, E. Aoyama Investigation of transient response motion of differential planetary gear train during reverse rotation and starting by using high-speed camera monitoring S. 331-342

„… their complex geometry and different types of meshing, PGTs generate severe levels of vibration that …” „… increase noise in vehicles. A PGT has two types of complexity, i.e., structural and motional. Internal …” „… rotation and starting by using high-speed camera monitoring Tomoki Fukuda, Dr. Masao Nakagawa, Prof …”

I. Bae, U. Kissling Comparison of strength ratings of plastic gears by VDI 2736 and JIS B 1759 – In vision of building a new international standard S. 1267-1278

„… in terms of weight, noise, vibration, lubrication, and in design and production when it is injection …” „… Comparison of Strength Ratings of Plastic Gears by VDI 2736 and JIS B 1759 In Vision of …” „… difficult for engineers to exchange knowledge on design and production which are often done on a global …”

H. Wang, X. Wen, C. Zhou, Z. Liu Wear prediction for double helical gears grinded by forming method S. 315-330

„… increasingly becoming one of the major failure modes. Gear surface wear not only can impact the vibration and …” „… , State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha …” „… , PR China; Changjiang Zhou, State Key Laboratory of Advanced Design and Manufacturing for Vehicle …”

doi.org/10.51202/9783181023556

VDI Wissensforum GmbH - International Conference on Gears 2017

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2017

Reihe: VDI-Berichte

Band 2294 2017

Treffer in den folgenden Teilen:

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

„… Simultaneous experimental characterization of dynamic transmission error to noise and vibration …” „… vibration and radiated noise in a gearbox. It corresponds to the existing offset between the ideal angular …” „… error, vibrations, internal and external noise, establishes a complete experimental database useful for …”

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

„… e-mobility the NVH (noise, vibration and harshness) behavior of electric actuators which are often used for …” „… it is the key factor in achieving low vibrations and as a low noise level of an actuator. 3. The …” „… “classic” powertrain. As a result of this new environment other noise sources are getting more and more …”

A. Carbonelli, J.-Y. Guerder Computing and minimizing the whining noise – Application to a bogie gearbox S. 517-526

„… noise and vibration in several industries. The gearbox internal sources of excitation are various. The …” „… conf. on Noise and Vibrations of Engines and Transmissions. C177/79, pp. 9-29. [4] M.S.Tavavoli, and …” „… Computing and minimizing the whining noise – Application to a bogie gearbox Dr.-Ing. A …”

T. Utakapan, B. Kohn, M. Fromberger, M. Otto, K. Stahl Evaluation of gear noise behaviour with application force level S. 695-706

„… Centre (FZG), Technical University of Munich, Garching Abstract Reducing excessive vibration and …” „… by the German research association for drive technology (FVA). 1. Introduction Noise and …” „… exposure, the reduction of gear noise begins in the very early development stage and is a perpetual …”

M. Nakagawa, D. Nishida, D. Sah, T. Hirogaki Development of novel test stand for three-axis driving planetary gear train control and analysis of novel PGT for noise reduction S. 331-340

„… noise and vibration issues. There have been many reports dealing with planet gear displacement under …” „… called the Z-type PGT is introduced to reduce noise and vibration and to expand gear ratio range …” „… achieved its goal of reducing the noise and vibration by reducing the planet gear speed Np and expanding …”

L. Zhao, R. C. Frazer, B. A. Shaw The influence of overlap ratio on transmission error in parallel axis gears S. 939-952

„… Abstract Reducing gear vibration and noise has long been a prime concern for gear designers. In gear …” „… vibration, low losses and noise emissions are increasing important. Gear transmission error is an accepted …” „… because variation in load line length causes noise and vibration, then gear transmission error are …”

T. Nagumo, M. Ishizuka, Y. Satou, S. Matsumura, H. Houjoh Estimation of loaded static transmission error using vibration measurement under operating conditions in a two-stage helical gear reducer S. 857-868

„… ] Smith, J. D.: Gear noise and vibration second edition, New York: Marcel Dekker 2003. VDI-Berichte Nr …” „… results in lower noise because it makes it possible to deduce the effects of deviation in dimensions and …” „… equation (2) and comprises the following steps: (1) vibration measurement, (2) FRF acquisition, and …”

S. Stoyanov, V. Dobrev, A. Dobreva Investigating dynamic behavior of planetary gear trains through the systematic approach S. 197-208

„… design process. Vibration-induced gear noise and dynamic loads remain very important problems in many …” „… decreasing of noise and vibrations of planetary gear drives. The application of the relationships of natural …” „… noise. The reduction and control of noise and vibration is absolutely necessary because these phenomena …”

J. W. Vriesen Topographical tooth modifications in planetary gears for reduction of the noise excitation without load capacity loss – Optimization of complex systems capable of oscillation S. 185-196

„… (WKA) increase steadily particularly for vibrations and noises. The main excitation from the tooth …” „… vibration and noise excitation out of the gearbox for wind turbines are strong influenced from the selected …” „… : Topographical gearing modifications to optimize the rotation path and to reduce excitation of noise without …”

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

„… raised expectations on driving comfort, the smaller high-output engines have inherent noise, vibration …” „… smaller high-output engines mostly have inherent vibration and NVH issues, while customers have increased …” „… expectations on comfort and driving experience. Gear noise and whine in mass balance systems, cam gears, pump …”

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

„… the Noise Vibration Harshness (NVH) behaviour of the gears is to use scissor gear systems. Such …” „… have adjusted small clearances, you will end again with interference and whine noise. Also in that …” „… rigs. 8. References (1) Pedro Reis University of Porto, Noise Vibration Harshness (NVH …”

J. Neufond, Y. Xu, J. Perret-Liaudet, E. Rigaud The iterative spectral method for computing the planetary gear dynamic response S. 209-218

„… , vibrations, whining noise. VDI-Berichte Nr. 2294, 2017 209 1. Introduction The emergency of new design …” „… parametrically excited forced sys-tem, Journal of sound and Vibration, 196 (2), 165-177, (1996). [2] Bachelet …” „… and the ring-planet meshes. These internal excitations are of parametric kind and induce, under …”

E. Rigaud, P.-H. Cornuault, B. Bazin, E. Grandais-Menant Prediction of the vibroacoustic response of an electric window-lift gear motor S. 635-648

„… motor. They induce vibration and noise radiated by the gear motor housing itself, as well as dynamical …” „… Knowledge of Gear Noise - A Survey. Conference on Noise and Vibrations of Engines and Transmissions …” „… the acoustic radiation of the vehicle door and therefore has a direct impact on the noise perceived …”

Titelei/Inhaltsverzeichnis S. I-XXVII

„… error to noise and vibration behavior of a M. Octrue gear system under load Materials J. Lohmiller …” „… and minimizing the whining noise – 517 J.-Y. Guerder Application to a bogie gearbox C. Zhang, Study …” „… of vibration for spur gears of tooth profile 527 H. Liu, modification and experimental validation of …”

C. Brecher, C. Löpenhaus, M. Schroers, T. Frech, P. Scholzen Optimization of NVH behavior of gears by alternative gear materials S. 539-552

„… gear body and ends up in airborne noise due to the noise radiation of structural components [2]. On …” „… noise emission limits and on the other hand by the awareness of the surrounding noise and the rising …” „… path through the gear body and thus, the noise emission of the powertrain. In addition, the process …”

J. J. Liou, S. Rakuff The development of worm drives S. 503-516

„… increase in the noise level and vibration can be expected when the worm drives fail. Different failures …” „… . This demand is driven by lower cost, light weight and low noise that can be achieved with plastics …” „… debris analysis, vibration analysis, and/or other techniques in parallel. 4 Conclusions Worm drives …”

P. Tenberge, D. Kupka, T. Panéro Influential criteria on the optimization of a gearbox, with application to an automatic transmission S. 253-266

„… in efficiency, noise, and weight can be achieved. In order to find an optimal solution, it is …” „… vibration behavior of the reducer. Modifying the shafts dimensions, macro and micro geometries of the gears …” „… optimization: ‐ For weight: shafts geometry, gears width ‐ For noise: shafts geometry, bearings and loads …”

B. Kohn, T. Utakapan, M. Fromberger, M. Otto, K. Stahl Flank modifications for optimal excitation behaviour S. 1319-1330

„… – and in general not at all – yield a low mesh excitation. Since noise emission levels of gearboxes are …” „… operation conditions, the target load for low noise excitation differs from the nominal load and is …” „… . ; OTTO, M. ; BIHR, J.: Assessment of the Vibration Excitation and Optimization of Cylindrical Gears. In …”

J. I. Pedrero, M. Pleguezuelos, M. B. Sánchez Load sharing model for spur gears with tip relief – An investigation on the influence of profile modifications on the mesh stiffness S. 795-806

„… pair and results in a shock between both meshing teeth inducing noise, vibrations and dynamic load …” „… pressure line reducing the noise, vibration and dynamic load levels. Usually the amount of material …” „… reduction of vibration and noise in spur gear pairs. Mech. Mach. Theory 105, 2016. [6] Pedrero, J. I …”

K. Togai, N. Fujinaga A reduced order internal combustion engine model for transmission development S. 1191-1198

„… for noise & vibration improvement, SAE Technical Paper SAE2014-01-1683, 2014 [7] HIH Saravanamutoo …” „… evaluation and design. ICE power output process consists of fuel energy conversion gain in a combustion …” „… cylinder and fuel transportation delay from the control mean to a combustion cylinder. If required …”

J. Cathelin, R. Janssen Material data for advanced plastic gear simulation S. 1553-1564

„… , their good vibration dampening, light weight, low maintenance and corrosion resistance [1]. However …” „… rig. (c.) Influence of the wear on fatigue S-N curve shape Wear, friction and noise Wear and …” „… Japan and VDI 2736 for Germany, are known. Moreover, designers are facing a lack of material data …”

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

„… , the need for developing systems with higher power density and the strong NVH (Noise Vibration …” „… of the A/B structure borne noise comparison represented by the Campbell diagrams for the steel and …” „… rotational speed and torque, up to 3dB lower structure borne noise could be realized. 6. Off-tool gear …”

C. Zhang, H. Liu, C. W. Yao, Y. Li Study of vibration for spur gears of tooth profile modification and experimental validation of modification method S. 527-538

„… vibration and noise[3,4]. Only considering the nonlinear factors and the es- VDI-Berichte Nr. 2294, 2017 527 …” „… Study of vibration for spur gears of tooth profile modification and experimental validation of …” „… them. Vibration acceleration of gearbox, rev and torque of transmission shafts are tested. Finally …”

E. Böyükbaş, H. J. Stadtfeld Surface structure shift for ground bevel gears S. 1391-1402

„… The regularities in the generating flats and in the roughness lines are the sources of certain noise …” „… flat below e.g. 5 microns in order to assure trueness of flank form and preserve the effect of a noise …” „… generates additional frequencies as side bands in the frequency spectrum and reduces the levels of the …”

A. K. Shojaei, P. Volgers An improved lifetime prediction technique for plastic gears through finite element analysis and continuum damage mechanics S. 1109-1112

„… change the Noise Vibration and Harshness characteristics. 3. Results and Discussions The developed …” „… An Improved Lifetime Prediction Technique for Plastic Gears through Finite Element Analysis and …” „… , Geneva, Switzerland Abstract The constitutive behavior and fatigue mechanisms in plastic gears differ …”

E. Chiappetta, D. Morrey Non-standard spur gear tooth profiles for improved epicyclic gear system performance in low speed applications S. 825-834

„… carrier). In that range of angular velocities, vibration and noise are not particularly evident so they …” „… directly dependent on the load carried. Since only low speeds are considered, vibrations and the resulting …” „… noise are considered to be negligible and consequently the design process is dictated by the stress …”

I. Atanasovska, H. Abderazek Comparative analysis of few new procedures for spur gears tooth profile optimization with different methods and aspects S. 1169-1176

„… time with safety against wear, prediction of crack initiation, low noise and vibration, [1 through 3 …” „… Figure 1. The optimization of tooth profile parameters with aspect of vibration response and stability …” „… Different Methods and Aspects Assoc. Research Prof. Ivana Atanasovska, Mathematical Institute of the …”

O. Berka, M. Dub, F. Lopot Experimental measurement of gears impact in transmission S. 1119-1126

„… meshing affects besides other things intended and real lifeness of gearing and its noise and vibration. In …” „… and development of the gears meshing in time, it just displays the summarized result. This is why …” „… gearing proposal and check calculations. This coefficient is defined according to the next formula …”

T. Jurkschat, T. Lohner, K. Stahl Improved calculation method for load-dependent gear losses S. 893-904

„… (Noise-Vibration-Harshness) behavior and flank modifications for uniform contact patterns are used. The modified mesh and …” „… practical applications, generally helical gears for improved NVH (Noise-Vibration-Harshness) behavior and …” „… which the existing calculation method is analyzed in detail and improved. In drive technology, spur …”

A. Kahraman, H. Ligata Effects of external splines on deformations of ring gears of planetary gear sets S. 341-352

„… order the meet certain design objectives regarding noise, power density, load sharing and durability …” „… Vibration”, Journal of Vibration and Acoustics, 121, 316–321. [13] Saada, A., Velex, P., 1995, “An Extended …” „… Dynamic Analysis of Planetary Gears With Thin Rims”, J. Sound and Vibration, 262, 732-768. [19 …”

Y. Cai, L. Yao, Z. Xie, J. Zhang, C. Peng Influence analysis of system parameters on characteristics of the nutation drive with double circular arc spiral bevel gears S. 435-446

„… characteristics of shock, vibration, and noise. The influence of nutation angle and spiral angle on the dynamic …” „… corresponding meshing force is almost unchanged and the corresponding vibration image does not change greatly …” „… meshing force, and the corresponding vibration image was relatively unchanged such that the meshing force …”

M. Shuai, M. Shuai, J. Guoguang, Z. Yidu, L. Chao, H. Haruo Research on multiple-split load sharing characteristics of 2-stage external meshing star gearing system S. 769-782

„… sharing has great influence on vibration and noise of power split transmission systems, domestic and …” „… load sharing coefficients determination, vibration noise reduction, structure optimization, error …” „… Key Laboratory of Virtual Reality Technology and Systems, Beihang University, Beijing, China …”

E. Erkilic, Z. Burcay Optimizing tooth proportions to improve topland Saribay balance in aerospace bevel gears S. 447-456

„… favorable to obtain higher contact ratio to produce gear sets with less noise and vibration. Such designs …” „… of Hypoid Gears for Their Efficiency, Noise, and Durability Performances,» Journal of Mechanical …” „… performance and load capacity requirements of aerospace bevel gears make smaller module designs more …”

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

„… backlash are the important cause of reducers noise and vibration, because TS and backlash affect the …” „… University, Chongqing, China Abstract Transmission performances such as torsional stiffness (TS) and …” „… changes of the force and the speed of reducers. In order to evaluate the performance of precision …”

A. K. Shojaei, P. Volgers, M. Cassata Advanced modeling and experimental techniques for fatigue life prediction of plastic gears S. 1575-1582

„… ratio and will change the Noise Vibration and Harshness characteristics. To simulate the progressive …” „… Advanced Modeling and Experimental Techniques for Fatigue Life Prediction of Plastic Gears Dr …” „… industrial applications, e.g. electronic cars and bikes, has led to a rapid increase in plastic and hybrid …”

B. Kianian, C. Andersson Sustainability-conscious Powder Metallurgy gear manufacturing – An analysis of current manufacturing challenges S. 1251-1264

„… . For example, Sen et al [3] in an explorative study indicated that air, water, and noise pollutions …” „… conventional method was used for PM. Thus, the weight and/or noise behavior were not optimized. Another …” „… Engineering, Division of Production and Materials Engineering, Lund, Sweden Abstract This paper aims …”

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

„… and low-noise running behavior compared to other gear transmissions. These positive properties …” „… different gear sizes and ratios. An extensive parameter study with the use of this simulation program was …” „… characterized by the large gear ratios that can be realized in one single stage, as well as by a low-vibration …”

B. Schlecht, C. Ulrich, J. Bräunig Investigations on the influence of anisotropic material properties of gear teeth on their macroscopic behavior S. 659-668

„… behavior of the gear wheels is also very important, particularly in regard to the noise excitation in …” „… can have an impact on the elastic material behavior of gear teeth. 1 Introduction and motivation …” „… to use innovative energy-saving and material-saving technologies to develop resourceefficient …”

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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

„… Investigating Hypoid Gear Noise and Vibration M. Eng. Kibok Lee, Myeongeui Song, B. Eng. Seungeon Lim …” „… gearbox housing acting as a structural member. Proceedings of the 2009 SAE Noise and Vibration Conference …” „… the automotive axle system to cover the practical gear mesh excitation mechanisms and the vibration …”

C. Ugare, A. Sibirko Plastics in high reliability Power Inverter Applications S. 209-222

„… mechanically stressed due to vibration. As the coolant housing is built with plastic, DC busbars and the phase …” „… Interference (EMI) in an inverter is caused by noise generated due to high amplitude and high-speed switching …” „… shows the generation of EMI noise and the coupling path. The power module has an intrinsic coupling …”

J. Merckling Use of Power-Dense Fuel-Efficient Tapered Roller Bearings in E-Drives under Low-Viscosity Oil and High-Speed Conditions S. 153-168

„… : Pocket wear damage Noise, vibration and harshness (NVH): Due to frictional problems such as severe …” „… Fig. 8. In ex-treme cases, this can lead to cage rupture, noise and reduced bearing life.Fig. 8 …” „… Use of Power-Dense Fuel-Efficient Tapered Roller Bearings in E-Drives under Low-Viscosity Oil and …”

M. Essam Ahmed, I. Garcia de Madinabeitia Merino, F. Duchi Advanced Electric Drive Modelling for Thermal and NVH adaptive control S. 407-XII

„… Axle," in 11th International Styrian Noise, Vibration & Harshness Congress: The European Auto-motive …” „… Advanced Electric Drive Modelling for Thermal and NVH adaptive control Case study 48V e-Axle for …” „… development of electric drives components to be integrated and optimized together at an early stage …”

Titelei/Inhaltsverzeichnis S. I-X

„… Model for Investigating Hypoid Gear Noise and Vibration …” „… drivesIntelligent all-wheel driveThermal management of e-machinesSustainability and life cycle analysis in …” „… � � � � � � � � � � � � � � � � � � � � � �27 V. Ludwig, Magna Powertrain, Untergruppenbach f MethodsInnovative E-Drive testing and software …”

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