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International Conference on Gears 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2422 2023

Results in this title

J. Cathelin Plastic Gears: Investigation on Noise and NVH Behavior S. 1449-1460

„… Plastic Gears: Investigation on Noise and NVH Behavior Sr. Application Development Engineer, Dr …” „… the origin of the investigation. 2. Noise origin and NVH behaviour of gears. The sources of the noise …” „… used to judge the impact of a gear train on the noise behavior. A high Transmission error results in a …”

U. Kissling Impact of manufacturing deviations on the NVH behavior of modern gear design concepts S. 367-382

„… Impact of manufacturing deviations on the NVH behavior of modern gear design concepts Dr. Ulrich …” „… are designed for specific NVH behavior and/or optimum load distribution. So, the basic question is …” „… , how manufacturing deviations affect the NVH and/or load distribution behavior of gears. 1.2 …”

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

„… investigated using meshing phase to optimize its NVH performance, then its dynamic behavior is experimentally …” „… and Planet-Ring meshes and maximizing the overall NVH performance of electric drive units by virtual …” „… , thereby improving its NVH performance. A system-level multibody dynamic model of the planetary gear set is …”

Titelei/Inhaltsverzeichnis S. I-XXVIII

„… National University, Seoul, Republic of Korea NVH: ImpactsAcoustical behavior of periodic flank …” „… Deutschland GmbH, München, GermanyImpact of manufacturing deviations on the NVH behavior of modern gear …” „… ), Friedrich-Alexander-University (FAU), Erlangen, GermanyPlastic Gears: Investigation on Noise and NVH Behavior 1449J. Cathelin …”

S. Ebrahimi, U. Kissling, C. S. Matkovič Evaluation of the NVH Characteristics of Gear Drives with Plastic Gears by the Forced Response Analysis S. 1403-1418

„… Evaluation of the NVH Characteristics of Gear Drives with Plastic Gears by the Forced Response …” „… adjust the gear meshing damping for achieving better NVH characteristics of a powertrain system. This …” „… addition, the nonlinear behavior induced by backlash and parametric resonances associated with the …”

N. Fujimura Application-oriented research on internal generating polishing S. 1863-1876

„… bessere NVH-Leistung (Noise Vibration and Harshness). Die Verbesserung der Lebensdauer ist die …” „… steigen die Anforderungen an die Effizienz und das NVH-Verhalten. Bei Außenzylinderrädern sind Schleifen …” „… surfaces. (2) Possibility of transmission efficiency increase and better NVH (Noise Vibration and Harshness …”

B. Abert, D. Werner The Influence of Wheel Body Design on Airborne Noise S. 357-366

„… noise sources means that special attention must be paid to the NVH behavior of a gearbox during design …” „… vollständig vermeiden lassen, muss dem NVH-Verhalten eines Getriebes bei der Konstruktion und Fertigung …” „… body geometry in the load and pressure distribution and in the excitation behavior. It also includes a …”

B. van Wissen, L. Pastukhov, F. Mitsuzuka, K. Iwanaga, A. Hasanovic NVH performance of thermoplastic gears: modelling and measuring S. 1389-1402

„… including first order estimations of predicted NVH behavior 2. Background If we focus only on the noise …” „… NVH performance of thermoplastic gears; modelling and measuring Ir. Benjamin van Wissen, Dr. ir …” „… for gears could have large advantages in the overall NVH performance of these applications. To improve …”

S. Sepp, A. Wenig, M. Otto, K. Stahl Acoustical behavior of periodic flank modifications under dynamic operating conditions S. 341-356

„… Acoustical behavior of periodic flank modifications under dynamic operating conditions Sebastian …” „… behavior is to reduce the excitation in the tooth contact, since the tooth contact represents the main …” „… source of noise in gearboxes. Special flank modifications may optimize the noise behavior, but the common …”

A. Hilligardt, V. Schulze Gear Skiving with Minimum Twist Errors S. 1749-1764

„… from the twist leading to unwanted contact patterns and unfavorable NVH behavior. In this work, a …” „… flank nominal and actual geometry [5], which reduce Load capacity and NVH behavior. For generating …” „… Profilwinkeländerungen über die Zahnbreite zu unerwünschten Tragbildern und ungünstigem NVH-Verhalten. In dieser Arbeit …”

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

„… Validation of an industrial gearbox model for predicting vibro-acoustic behavior Prateek Chavan …” „… behavior. The reliable prediction of the vibro-acoustic behavior of gear units in the early stages of …” „… requirements of load carrying capacity, service life as well as acoustic behavior can be achieved. Flexible …”

D. Park, A. Rezayat, Y. Gwon Design optimization of multi-stage gear trains with asymmetric teeth under a broad range of torques by incorporating multibody simulations S. 383-396

„… optimal gear train design, the trade-off between gear strength, efficiency, and NVH performance should be …” „… , efficiency, and NVH performance, simultaneously. Asymmetric gear is getting more industry attention due to …” „… that captures asymmetric gear contact behaviors under system deflections. In addition, to deal with …”

I. Criscuolo, F. Carneiro, G. Guimarães, R. Rego, J. Mascheroni Indirect Selective Laser Sintering: Modeling and analysis of surface densification by shot peening S. 1681-1698

„… behavior that represents the residual stress state. In order to obtain a residual stress response in depth …” „… same location where it showed a densification of 943 µm. The behavior of the quadratically interpolated …” „… stored deformation energy that characterize the potential energy behavior of residual stresses; These …”

L. Klee, T. Bergs, M. Solf, J. Brimmers Binder Jetting in Gears – Process Design and Tooth Bending Strength for Gears made of 17-4PH S. 1665-1680

„… NVH-behavior of a gear. PM gears may be manufactured by both, die pressing and additive manufacturing (AM). The …” „… the reduction of weight and the possibility of optimizing the NVH-behavior of a gear [19]. Due to the …” „… optimization of the noise behavior of transmission components is becoming increasingly important [22]. Powder …”

M. Vivet, A. Rezayat, J. Verhoogen, K. Kucukcoskun, S. Donders Numerical analysis of bevel gear transmission acoustic emission using a 3D gear contact force model within a multibody system dynamics simulation environment S. 689-702

„… electric drives?”.NVH (noise, vibration, and harshness) performance is seen as a key differentiator since …” „… orders, and thus also the tonality. Yet, LTCA approaches only simulate the static behavior of the gear …” „… (housing and shafts) has non-negligible effects on the gear pair’s contact behavior. Finally, a fully …”

B.-S. Kim, D. Im, J.-H. Park, W.-J. Chung, Y.-J. Park Development of Optimal Design Program for Macro-Geometry of Planetary Gear Set using Multi-Objective Optimization Algorithm S. 1181-1194

„… load dependent loss and load independent loss. Each loss is calculated through the behavior of gears …” „… . 𝑖𝑛 𝑒 𝑒 (22)For the NVH performance of the planetary gear set, the non factorizing condition and the …”

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

„… , noise-vibration-harshness (NVH) and efficiency. In recent years in particular, the demands on the efficiency of the entire …” „… powertrain have constantly increased. In this context, the flow behavior of the oil distribution in vehicle …”

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

„… analysis and NVH calculation [21-24]. More universal than analytical models are numerical methods such as …” „… , such as nonlinear material behavior or temperature dependencies. However, the results of FE …” „… material behavior of thermoplastics, there are numerous dependencies that are not present in steel gears or …”

doi.org/10.51202/9783181024225

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International Conference on Gears 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2294 2017

Results in this title

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

„… Optimization of NVH-Behavior of Gears by Alternative Gear Materials Prof. Dr.-Ing. C. Brecher …” „… . Additionally, alternative gear materials offer a high potential for an optimized NVH behavior due to the …” „… an optimized gear design for an improved NVH behavior by using the alternative gear materials PM and …”

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

„… A contribution to the NVH behavior of plastic gears in automotive applications Dr.-Ing. J …” „… e-mobility the NVH (noise, vibration and harshness) behavior of electric actuators which are often used for …” „… variation of dimensional parameters than metal gears. These variations can cause abnormal NVH behavior …”

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

„… mechanically the gear clearance. This improves the NVH behavior of the whole system. Further reduction of the …” „… , together with OEMs the goal was to find out the best available systems for an improved NVH behavior. In …” „… all that tests Adaptocoat® was in the top area. In many gear drives the NVH behavior can be extremely …”

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

„… exemplary results in case of performance and NVH behavior. In the following, the adaption of the surface …” „… core density of 6.8 g/cm³, assuming a positive influence from the porosity on the NVH behavior. Hard …” „… NVH behavior could be evaluated. For the investigation, the gearbox has been assembled on an NVH test …”

Titelei/Inhaltsverzeichnis S. I-XXVII

„… Systems – NVH Behavior J. W. Vriesen Topographical tooth modifications in planetary gears for 185 …” „… . Liou, The development of worm drives 503 S. Rakuff Page NVH Behavior – Noise A. Carbonelli, Computing …” „… C. W. Yao, modification method Y. Li C. Brecher, Optimization of NVH behavior of gears by …”

Foreword S. 1-4

„… plastics material, from hobbed to sintered gears and more. One focus of the conference is the NVH-behavior …” „… of geared transmissions. Especially for automotive powertrains, the NVH-behavior gets more and more …” „… conference address the subject of modelling and simulating the noise behavior of geared transmissions and …”

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

„… dynamic behavior of planetary gear systems induced by the time-varying mesh stiffnesses of the sun-planet …” „… systems such as wind turbines, under NVH constraints requires design to integrate the vibroacoustic …” „… automatic gearboxes, to cite a few. Concerning the NVH performance, their noise characteristics remain …”

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

„… practical applications, generally helical gears for improved NVH (Noise-Vibration-Harshness) behavior and …” „… without flank modifications. In practice, however, helical gears for improved NVH …” „… (Noise-Vibration-Harshness) behavior and flank modifications for uniform contact patterns are used. The modified mesh and …”

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

„… modeled in a linear equation. When dynamic behavior of an ICE is required, response from the control mean …” „… behavior simulation, is obtained with an amplitude modulation of the mean value torque. 1 …” „… property is less than 20. VDI-Berichte Nr. 2294, 2017 1191 When dynamic behavior of an ICE is required …”

M. Brumm, H. Müller Cyber physical gear production system – Vision of industry 4.0 gear production S. 1209-1218

„… different running behavior of the virtual twin and the manufactured gear. It causes also high costs in …” „… different running behavior is not caused by the stability of the machine tool it is just related to the …” „… requirement is checked by subjective noise evaluation. The driver of the car evaluates the noise by NVH …”

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

„… performance of each PGT is evaluated by its rotational stability and behavior of the torque as shown in Fig …” „… , vibration, and harshness (NVH) reduction is to reduce the planet gear rotation speed. In this section, the …” „… ] Matsumura, S., Wakasaki, T., Iino, T. and Houjoh, H., Experimental investigation of vibration behavior of a …”

doi.org/10.51202/9783181022948

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Drivetrain for Vehicles 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2313 2017

Results in this title

M. Falco lnfluence of electric drive systems and their control on the NVH behavior of hybrid and electric vehicles S. 141-142

„… Influence of electric drive systems and their control on the NVH behavior of hybrid and electric …” „… neglected in the optimization process of the NVH behavior. Finally the electric drive also acts as …” „… technology and topology has significant influence on the NVH behavior of hybrid and electric vehicles …”

S. Ebina, Y. Asaoka, T. Kusada, T. Hyakutake NVH optimization of a transmission oil pump S. 79-80

„… NVH Optimization of a Transmission Oil Pump Sueharu Ebina, Toyota Motor Corporation; Yuuki …” „… mechanism was analyzed by the measurement of the inside pressure and the gear behavior in the O/P. This …” „… mechanism was analyzed by the measurement of the inside pressure and the gear behavior in the O/P. This …”

doi.org/10.51202/9783181023136

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Dritev 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2420 2023

Results in this title

P. Geradts, M. Kasten, A. Landvogt Psychoacoustic optimization of the NVH behavior of an eDrive power train – Application of a Targeted Micro Geometry Scatter on Helical Gears to break-up the regularity of the transmission error excita... S. 459-470

„… Psychoacoustic optimization of the NVH behavior of an eDrive power train Application of a Targeted …” „… Hintergrundgeräusch erhöht wird. Das Potenzial dieser NVH-Optimierung wird nach der simulativen Bewertung mittels …” „… . Abstract Enhancements to the gear whine NVH performance of transmissions have increased in signif-icance …”

D. Schweigert, B. Morhard, F. Oberneder, L. Pointner-Gabriel, M. Otto, K. Stahl Speed4E: Simulative and Experimental Results on the Vibration Behavior of a High-Speed Planetary Gearbox S. 441-458

„… advantages. Reaching an acceptable NVH behavior gets more challenging with higher speed, especially for the …” „… NVH-optimized variant VDI-Berichte Nr. 2420, 2023 445Chavan et al. [10] investigate the NVH behavior of an …” „… studies, as well as a large number of other studies on the NVH behavior of gearboxes in e-mobility …”

L. Roslaniec, T. Hackl Next generation Electric Drive Units with multi-level GaN inverter for highest HV EV performance and efficiency – Comparison of 2-level and 3-level inverter topologies S. 107-114

„… in the e-motor, support the NVH characteristics of the electric drivetrain, improve the EMC behavior …” „… Vorzüge wie erhöhte Spannung, verringerte harmonische Verluste sowie optimierte NVH-Merkmale und …” „… EMC-Filterung und NVH-Dämpfung verringert werden können. Abstract This paper discusses the importance of …”

J. Bonifacio, V. Warth, S. Scharr Optimizing sustainable high-performance e-drives S. 349-358

„… already been proven in vehicle application showing NVH and efficiency behavior on a level of conventional …” „… 206 kWPeak torque 5210 NmWeight 74 kgSystem efficiency @WLTC >93%NVH on series levelSystem costs -10 …” „… series design. The consideration of related gearbox weight as well as efficiency effects, acoustics, NVH …”

L. Bayoux, K.-L. Kimmig, D. Reitz Has the potential in terms of weight, installation space, and function already been exhausted for hybrid transmissions? S. 205-220

„… significantly, which has a positive effect on the dynamic behavior. For excellent NVH behavior, innovative …” „… werden weiter hinsichtlich Effizienz, Bauraum, Gewicht, NVH, CO2-Footprint und damit auch Kosten …” „… auswirkt. Für ein exzellentes NVH-Verhalten sind auch bei den hybriden Antriebsträngen innovative …”

C. Mohr Acoustic Optimization of Electric Powertrains from a Vehicle Level Perspective S. 471-XVI

„… do also guaran-tee the desired acoustic behavior in the entire vehicle. VDI-Berichte Nr. 2420 …” „… is not authorized for onward distribution, Schaeffler can draw approximate conclusions about NVH in …” „… noises - and correlated to the values of acoustical vibration on the component. Evaluating the NVH …”

Titelei/Inhaltsverzeichnis S. I-XIV

„… optimization of the NVH behavior of an eDrive power train – Application of a Targeted Micro Geometry Scatter …” „… on the Vibration Behavior of a High-Speed Planetary Gearbox 441D. Schweigert, B. Morhard, F …”

doi.org/10.51202/9783181024201

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Dritev – Drivetrain For Vehicles 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2354 2019

Results in this title

C. Dassler, M. Kurch, M. Nichols NVH-challenges and solution approaches in electric drive development from the supplier‘s view S. I-349-I-366

„… only regarding exhaust gases, but also the NVH behavior from the vantage point of the driver …” „… perspectives. Thus, we have certain expectations based on our experience with NVH behavior, for example if we …” „… . A superb NVH-behavior is an attribute that can be found from each variant. VDI-Berichte Nr. 2354 …”

D. Schweigert, M. Mileti, B. Morhard, M. Sedlmair, M. Fromberger, M. Otto, T. Lohner, K. Stahl Innovative transmission concept for hyper-high-speed electromechanical powertrains S. I-541-I-554

„… losses and results in the best overall efficiency. The better dynamic behavior of the NVH …” „… NVH-Optimized design. As expected, the results of the NVH-simulations indicate the best vibration behavior for …” „… predicted efficiency and NVH-behavior at revolutions up to 50,000 min-1. 6. Acknowledgements Speed4E is …”

Titelei/Inhaltsverzeichnis S. I-I-I-XII

„… of how to increase power density Innovative 4-wheel-drive systems New ways to achieve NVH reduction …” „… . Küçükay, Institute of Automotive Engineering, Technical University Braunschweig f NVH Minimize …” „… � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 329 C. Möser, T. Märkle, K. Hornung, AUDI AG, Ingolstadt NVH-challenges and solution approaches in …”

H. Göbbels, S. Scholz, S. Volkmer Efficient 6-speed manual transmission for modern downspeeding solutions S. I-411-I-426

„… this, together with the use of dual-mass flywheels, ensures a noise, vibration, and harshness (NVH …” „… ) behavior in line with today's expectations. 1. Introduction As a result of their high installation …” „… increase in comfort to be achieved with NVH characteristics in line with today's expectations. 3. Design …”

P. Fietkau, N. Lamparsky, M. Felbermaier, A. Fröhlcke, T. Conze Holistic design approach for electric drives S. I-163-I-178

„… , various conditions and requirements have to be met, e.g. in terms of crash behavior and NVH properties …” „… ] describe the design aspects of electric drives and, in particular, an NVH development process. Similarly …” „… , Steffens et al. [10] describe an analytical method for NVH issues. A possible link to higher-level …”

A. Kinigadner, T. Biermann Schaeffler eAxle family – future solutions for the electric drivetrain S. I-567-II-VIII

„… the best NVH behavior on a system level, we must also take a look at the occurring forces as well as …” „… cooling capabilities. In addition to the main function of producing the defined speedtorque behavior, the …” „… be placed on the weight, package, robustness, and NVH in order to meet customer expectations. [3 …”

A. Kooy, R. Seebacher Minimize torsional vibrations – Full isolation if necessary S. I-313-I-328

„… requirements for vibration damping and noise behavior (noise vibration harshness, NVH) as early as possible in …” „… , reduzierte Bauräume, Fahren bei niedriger Motordrehzahl und erhöhte NVH-Anforderungen. Die Weiterentwicklung …” „… start and stop challenges, reduced design spaces, driving at low engine speed and increased NVH …”

B. Müller, C. Angrick, M. Fritz New concepts for electrical drive trains for high power density S. II-55-II-66

„… function, that of representing defined speed-torque behavior, other demands need to be handled by this …” „… NVH optimization Minimized harmonics, which for their part likewise generate force effects, but …”

S. Stöhr, R. Koesling, V. Marx New all-wheel drive systems in Mercedes-Benz SUVs S. I-483-I-500

„… improved utilization of the transient behavior of all the new engines through a reduction of the backlash …” „… NVH, including in the rpm window of the natural resonances. compliance with the requirements on …”

doi.org/10.51202/9783181023549

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SIMVEC Simulation und Erprobung in der Fahrzeugentwicklung 2016

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2279 2016

Results in this title

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

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Dritev – Drivetrain For Vehicles 2018

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2328 2018

Results in this title

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 S. II-31-II-46

„… & 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 S. III-83-III-92

„… 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 S. I-441-I-450

„… 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 S. I-239-I-254

„… ; 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 S. I-385-I-396

„… 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 S. I-285-I-304

„… , 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

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Testen und Validieren elektrischer Antriebsstränge

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2412 2023

Results in this title

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

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International Conference on Gears 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2355 2019

Results in this title

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 …”

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 …”

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 …”

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 …”

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 …”

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 …”

Titelei/Inhaltsverzeichnis S. I-XXVI

„… , 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

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International Conference on Gears 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2389 2022

Results in this title

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 S. I-XXVIII

„… . 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-XL

„… 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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Dritev 2022

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2401 2022

Results in this title

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

„… DPWM has however to be based on not only efficiency but also on the torque ripple and NVH behavior …” „… critical areas, e.g. resonance peaks. The result was an im-proved NVH behavior and an improved system …” „… efficiency and NVH / Torque rip-ple. Usually NVH and torque ripple are addressed by hardware selection …”

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

„… function, NVH-behavior or efficiency (i.e. drag torque). Functionality is confirmed by friction …” „… . The NVH-behavior of shift elements is mainly affected by the friction characteristic and the …” „… , 2022 75short slipping times, the NVH behavior usually is of less importance for synchronizer systems …”

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

„… a simulation modeling integration process for studying vehicle axle system NVH per-formance to …” „… gear mesh properties. To verify the correctness of the proposed simulation models, an experimental NVH …” „… . Introduction Gear whine problems have been considered a big challenge for NVH engineers to satisfy de-sign …”

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

„… Advanced Electric Drive Modelling for Thermal and NVH adaptive control Case study 48V e-Axle for …” „… machine and even cables on the overall performance including reliability, thermal and NVH aspects. The …” „… contribution showcases the effect that control optimization can achieve regard-ing electric machine NVH, with …”

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

„… gliding speeds and challenges the gear design in terms of load-carrying capacity, NVH behavior, and …” „… and to design a test bench that is able to analyze the behavior of PEEK gears under high turning rates …” „… torque is lowered, the be-havior of polymers as novel automotive gearing materials is not yet …”

doi.org/10.51202/9783181024010

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Gießtechnik im Motorenbau 2019

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2339 2019

Results in this title

M. Souren, T. Uhlmann, J. Slotman Grey cast iron as cylinder-block material for range extender engines – A serious alternative? S. 99-118

„… demonstrated its superior NVH behavior by reducing the vibrations during load changes, especially during …” „… structure possible to improve the NVH behavior even further. The concept is characterized by an integration …” „… 107 3.4 Influence of grey cast iron on the NVH behavior While both aluminum and grey cast iron have …”

doi.org/10.51202/9783181023396

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Dritev 2024

VDI Wissensforum GmbH

Series: VDI-Berichte

Volume 2433 2024

Results in this title

M. T. Hirsch, G. Götting Merits of using harmonic current injection in electric drives to reduce torque ripple, improve NVH behavior, and more S. 103-116

doi.org/10.51202/9783181024331

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Humanschwingungen 2023

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2411 2023

Results in this title

J. Hofmann, Y.-Y. Lu, A. R. Veeraraghavan, G. C. Enss Interaktion Mensch – Sitz – Fahrzeug: Methodik zur Integration des Menschen in die Gesamtfahrzeugsimulation S. 23-34

„… spürt,sondern auch mit der Fahrzeugstruktur wechselwirkt. Dies ist zum einen unter NVH-Aspektenvon Bedeutung, da …” „… , but also interacts with the vehicle structure. On the one hand,this is important from an NVH point of …” „… view, as people also influence the vibration behavior ofthe vehicle. On the other hand, ride comfort is …”

G. Wolf Ride Comfort on Tractors S. 3-10

„… support the cab weight and provide NVH (noise, vibration, and harsh-ness) characteristics as well as the …” „… isolators that normally focusses on NVH (noise, vibration, and harshness). Both, primary and secondary …” „… performance. For NVH the rubber isolators define the per-formance. For ride comfort a rigid guidance of the …”

doi.org/10.51202/9783181024119

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16. Internationale VDI-Tagung Reifen-Fahrwerk-Fahrbahn 2017

VDI Wissensforum GmbH (ed.)

Series: VDI-Berichte

Volume 2296 2017

Results in this title

A. Gallrein, M. Bäcker, F. Calabrese Einfluß der Dynamik des Füllgases des Reifens auf Betriebszustände S. 215-232

„… solche Anwendung ist die Erweiterung des Frequenzbereiches bei NVH-Anwendungen (Noise-Vibration-Harshness …” „… Amplitudeneinträge im Spektrum der Reifenkräfte, welche bei NVH-Auslegungen in diesem Frequenzbereich berücksichtigt …” „… in linearen FEM-basierten NVH-Systemen. Besonderes Augenmerk wird dabei auf die beobachtete …”

doi.org/10.51202/9783181022962

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International Conference on Gears 2023

International Conference on Gears 2017

Drivetrain for Vehicles 2017

Dritev 2023

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Humanschwingungen 2023

16. Internationale VDI-Tagung Reifen-Fahrwerk-Fahrbahn 2017