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VDI Wissensforum GmbH - Kunststoffe im Automobilbau 2016

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VDI Wissensforum GmbH (Hrsg.)

Kunststoffe im Automobilbau 2016

Reihe: VDI-Berichte

Band 4342 2016

Treffer in den folgenden Teilen:

L. Gervat, M. Lacuve, J. M. Fiard, G. Gauge, F. Bekaert Determination of thermal damages undergone by plastic parts in stochastic environments: application to air ducts S. 107-120

„… , Guyancourt, France Abstract Two important levers to reduce CO2 emissions are weight reduction and more …” „… efficient powertrains. More efficient powertrains means smaller, lighter and hotter engines …” „… . Hightemperature-resistant plastics are therefore a useful tool to achieve these objectives. However plastics have two …”

doi.org/10.51202/9783182443421

VDI Wissensforum GmbH - Plastics in Automotive Engineering 2016

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VDI Wissensforum GmbH (Hrsg.)

Plastics in Automotive Engineering 2016

Reihe: VDI-Berichte

Band 4343 2016

Treffer in den folgenden Teilen:

L. Gervat, M. Lacuve, J.M. Fiard, G. Gauge, F. Bekaert Determination of thermal damages undergone by plastic parts in stochastic environments: application to air ducts S. 105-118

„… , Guyancourt, France Abstract Two important levers to reduce CO2 emissions are weight reduction and more …” „… efficient powertrains. More efficient powertrains means smaller, lighter and hotter engines …” „… . Hightemperature-resistant plastics are therefore a useful tool to achieve these objectives. However plastics have two …”

doi.org/10.51202/9783182443438

VDI Wissensforum GmbH - International Conference on Gears 2023

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VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2023

Reihe: VDI-Berichte

Band 2422 2023

Treffer in den folgenden Teilen:

M. Yilmaz, M. Ayar, F. Zerulli, K. Humm, J. König, B. Schwarz Gearbox efficiency of eDrives: correlation between measurement and calculation of load-dependent torque losses S. 985-994

„… Gearbox efficiency of eDrives: correlation between measurement and calculation of load-dependent …” „… , zusammenfassend für einen großen Bereich an Betriebsbedingungen. Abstract The electrification of the powertrain …” „… , these approaches are also used for the calculation of the load-dependent torque losses of eDrives …”

T. König, L. Cadau, L. Steidle, M. Kley, D. Cansu Güney, J. Albrecht, K. Weber A concept for comparison of new and aged lubricants in transmissions of electric vehicles and a method of oil aging on a test rig S. 1195-1206

„… possible time. A two-stage planetary transmission, which is used as a wheel drive in a multifunctional …” „… , Lukas Steidle, Markus Kley, Institute of Drive Technology Aalen IAA, Aalen University, Didem Cansu Güney …” „… addition, the powertrain of BEVs requires special lubricants, such as to reduce friction and wear in the …”

A. Donmez, A. Kahraman Experimental Investigation of Influence of Indexing Errors on Gear Rattling S. 703-714

„… . Various automotive powertrain applications experience such noise issues ranging from timing gear trains of …” „… . The test set-up is arranged in two- or three-axis configurations with modular spindles serving as …” „… arrangements, respectively. Two (or three) test gears of identical baseline designs with various tooth indexing …”

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

„… as a merge between two high performance material suppliers: DSM Engineering Materials and Lanxess HPM …” „… generated due the meshing of two gears and due to angular displacements of those gears, we can define the …” „… gear noise roughly into two sections as shown in Figure 2. Rattle – Sound created by the impact on …”

N. Missal, S. Schwertel, M. Ludwig The next level of axial forming for a sustainable component and process chain design S. 1765-1776

„… manufacturing external helical gears. In cooperation with various partners, including Hofer powertrain GmbH, two …” „… billion alone are passenger cars. By 2035, this number is expected to rise to around two billion. This …” „… power-driven vehicles themselves, must become more environmentally friendly with less negative impact on …”

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 …” „… required torque ratio specifications. For this purpose, a two-stage gearbox model is considered in some …”

S. Sklenak, D. Mevissen, J. Brimmers, C. Brecher, B. Lenz, A. Mehner Analysis of Load Cycles and Local Wear of Dry and Solid-Lubricated Gears S. 727-740

„… ., 2005,“Development of Power-train and Drive Line Components without Liquid Lubrication …” „… drives is limited due to the lubricant properties, for example by hygiene guidelines or high temperature …” „… fluctuations. Solid lubricants are an alternative to liquid lubricants in gear drives. However, the …”

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

„… Kaiserslautern-Landau Kaiserslautern AbstractIn electric drive trains, an undesirable current flow can occur over its …” „… example, this is leading to an increased push for and development of alternative drive concepts to the …” „… hydrogen drives by means of a fuel cell, electric and hybrid drive systems play a decisive role in the …”

K. Suzuki, K. Sakai, K. Sakai, T. Hara Considerations on Lubrication of High-Speed Rotating Gear (First Report) S. 741-752

„… - production of powertrain component and drive unit. This paper introduces some of the considerations regarding …” „… powertrain parts. Since then, the company has expanded the product line from parts to units, such as manual …” „… . We will continue to contribute to the spread of electrification of powertrain by realizing …”

T. Kleiber, B. Neubauer Advancing to The Next Level – Cost Efficient Roll-Inspection: Back from End-of-Line NVH to Skiving Process S. 1591-1606

„… powertrain. With a focus on e-Axles, the system requires a lightweight, compact, and power dense solution …” „… correlation analysis identifies two regions: the so-called “AND-orders” and the “OR-orders”. 2FI is still a …” „… , is a key driver for technical solutions. Therefore, planetary gear sets have advantage of power …”

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

„… places the focus of development on increasingly compact drive units with the highest power density. Due …” „… increasingly used in drive units [1]. While internal gears of a DIN Q10 quality are still sufficient for …” „… combustion engine-driven transmission solutions, internal gears of DIN Q6 qualities are required for …”

A. Carvalho, R. Rego, N. Fukumasu, D. Tamayo, F. Nascimento, I. Machado PVD Deposition of Nb-MoS2 Coatings on Gear Carburized Steel S. 1071-1082

„… e-mobility and the continuous drive for higher efficiency in these systems, there arises a need for advanced …” „… depth ranging between 0.6-0.8 mm [9,10]. Two different grinding methods were employed to induce distinct …” „… used to power simultaneously two targets (Nb and MoS2 with, respectively, 99.999% and 99.99% purity …”

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

„… , which must be managed and optimized. In addition, the efficiency of the drive system plays a major role …” „… . Introduction There are three main concerns in the development of today's gear drives: load capacity …” „… powertrain have constantly increased. In this context, the flow behavior of the oil distribution in vehicle …”

J. Langhart, S. Ebrahimi, T. Kelichhaus A comparison of time and frequency domain approaches for NVH S. 583-598

„… periodical vibrations such as gear whine noise, and the calculation of dynamic effects, two main approaches …” „… such variations with time. The current study will show the comparison of the two approaches on various …” „… design variants of a typical EV drive model. The evaluation of the NVH results is done by comparing …”

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

„… and presented for three spiral bevel gear variants; two that have a normal gear blank design and one …” „… shaking the foundations of automotive powertrain development, as the automotive industry can no longer …” „… leverage their 100 years plus experience in ICE (internal combustion engine) powertrain development. On top …”

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

„… concentration points, and the presence of pores can further drive crack nucleation and propagation. Powder …” „… horizontal direction. For the layers deposition, two routes of composite materials production were studied …” „… consisted of blocks that were manufactured with two building orientations, vertical and horizontal. The two …”

C. Westphal, J. Brimmers, C. Brecher Influence of Axis Misalignments in Stepped Planetary Gear Stages on the Excitation Behavior – Test Rig Development and Simulative Analysis S. 175-190

„… powertrain, the requirements in terms of noise emission and efficiency increase additionally. Stepped …” „… challenges in drive technology. Advantages include in particular the short axial length in conjunction with a …” „… is replaced by a stepped planet consisting of two joined gears. Due to the different number of teeth …”

Titelei/Inhaltsverzeichnis

„… , Blankenfelde-Mahlow, GermanyEfficiency-improvement with low-loss-gears by two different application 13B.-R. Höhn, TUM …” „… , 2023 | 15:31:04 | 148 mm x 210 mm Planetary gears: NVHVibration reduction of planetary gear drive using …” „… Industries (CETIM), Senlis, FranceForward Performance-driven Design of Gear Parameters 211S. Chen, C. Liu, D …”

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

„… automotive industry continues towards the development of vehicles with elec-trified powertrains in order to …” „… need for lightweight powertrains in electric vehicles is addressed by the use of high-speed electric …” „… progressively and due to the additional overlap ratio, the total contact ratio is usually larger than two. Thus …”

P. Fischmann, A. Hilligardt, V. Schulze Tooth Root Burnishing in the Kinematics of Gear Skiving S. 1829-1844

„… generate low load-dependent gear power losses, they are particularly suitable for modern drive systems. As …” „… the root fillet of small-modulus gears in modern drive systems limits the media size for shot peening …” „… properties.Introduction New mobility solutions require increasingly powerful drive units with favorable vibroacoustic …”

G. Vasileiou, C. Vakouftsis, C. Kalligeros, V. Spitas, C. Papalexis, A. Tsolakis, P. Zalimidis Continuous prestressed reinforcement of plastic gear teeth and its effect on bending strength vs conventional reinforcement S. 1375-1388

„… intersection of the force vector (acting on the highest point of single tooth contact – HPSTC of the drive side …” „… tooth FA(sFe/2,hFe)OVDI-Berichte Nr. 2422, 2023 1377In order to reduce the tensile loads on the drive …” „… two was observed and the design objective was reached and validated. An overall decrease in root …”

doi.org/10.51202/9783181024225

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VDI Wissensforum GmbH (Hrsg.)

AUTOREG 2017

Reihe: VDI-Berichte

Band 2292 2017

Treffer in den folgenden Teilen:

C. Winter, R. de Castro Optimal Velocity Profile Generation for Semi-Autonomous Vehicles S. 129-142

„… range 0,1 provides a trade-off between the two performance goals, which the driver can directly …” „… time and energy optimal velocity profiles. This trade-off can be directly chosen by the driver. With …” „… particularly interested in investigating how the driver’s longitudinal demands, i.e. his preference on how fast …”

J. Richenhagen, M. Schumacher, J. Pinnekamp, V. Kumar Konenki Developing Adaptive Lighting in an Agile Software Factory S. 461-474

„… development approaches need to be found. This paper shows an approach how advantages of two disciplines can …” „… varying requirements. This leads to a gap between available state-ofthe-art model-driven development …” „… methods are required to get the better of the two methodologies. We will discuss some specific criteria …”

M. Grotjahn, B. Luck, M. Feldt Nichtlineare adaptive Regelung und Störkraftkompensation für elektrische Gaspfadaktoren S. 337-352

„… comparison with a flatness-based two-degree-of-freedom control structure and the classical gain-scheduling …” „… . Additionally, the actuators are influenced by severe disturbances like gas forces, temperature driven effects …” „… and compared to a flatness-based two-degree-of-freedom approach and a series gainscheduled PID …”

doi.org/10.51202/9783181022924

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VDI Wissensforum GmbH (Hrsg.)

Automation 2021

Reihe: VDI-Berichte

Band 2392 2021

Treffer in den folgenden Teilen:

N. Schoch, J. Schlake, S. Grüner, J. Heuschkel Orchestration of Co-Simulations with FMU Integration as a Service S. 447-460

„… our simulation orchestration service based on a powertrain co-simulation. Here, drive experts can …” „… Drive-Experten exemplarisch die Antriebsdimensionierung manipulieren können, und Applikations-Experten die …” „… calibrate the drive dimension in the drive simulation, and application experts can run the master …”

doi.org/10.51202/9783181023921

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