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NVH matters

Vehicle Dynamics International, 2021
EVs may be quiet, but that has not simplified the task of NVH refinement. The increasing shift to electric power has resulted in a new direction for NVH engineering, with development still having to address the suppression of noise, but now alongside its enhancement
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NVH UND AERODYNAMIK

ATZextra, 2012
Bei NVH und Fahrkomfort soll der neue SL fuhrend im Vergleich mit dem Wettbewerb bleiben. Um die anspruchsvollen Ziele zu erreichen, wurden die bestimmenden Wirkketten vom ersten Konzept bis zur finalen Feinabstimmung des Fahrzeugs durchgangig analysiert und die entsprechenden Bauteile optimiert. Ziel der Aerodynamikentwicklung des neuen SL war es, den
Stephan Reinberg   +5 more
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Hybrid Vehicle’s NVH Challenges and Influences on the NVH Development

SAE Technical Paper Series, 2016
<div class="section abstract"><div class="htmlview paragraph">Due to more stringent emission regulation, especially plug-in hybrid vehicles have an increased attractiveness for OEMs to reduce OEM’s CO2 fleet emission. Generally, hybrid vehicles have a much higher complexity than conventional vehicles.
Stephan Brandl   +3 more
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NVH-Development of Electric Powertrains - CAE-Methods and NVH-Criteria

SAE Technical Paper Series, 2014
<div class="section abstract"><div class="htmlview paragraph">Electric cars are getting popular more and more and the expectations of the customers are very challenging. Concerning comfort, the situation is clear: customers want an electric car to be quiet and without any annoying noise from the powertrain.</div><div class ...
Christoph Meier   +2 more
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Portable NVH Dynamometers

SAE Technical Paper Series, 2003
<div class="htmlview paragraph">Noise Vibration and Harshness (NVH) characteristics have become a key differentiator between “Good” vehicles and “Best-In-Class” vehicles. While all OEM's and most Tier 1 suppliers have on-site in-ground chassis dynamometers, a need was identified to design, develop and bring to market, a fully capable portable NVH
Gary E. Kopp, Janet L. Holzinger
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Powertrain NVH Refinement

SAE Technical Paper Series, 2004
<div class="htmlview paragraph">Over the last decade, demands regarding noise and vibration performance of whole vehicle and, in particular, powertrain are steadily increasing as a consequence of continuous product growth.</div> <div class="htmlview paragraph">This paper describes the NVH refinement for a new powertrain.</div> ...
C. Grasso   +3 more
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Vehicle NVH Evaluations and NVH Target Cascading Considerations for Hybrid Electric Vehicles

SAE Technical Paper Series, 2015
<div class="section abstract"><div class="htmlview paragraph">The increasing trend toward electric and hybrid-electric vehicles (HEVs) has created unique challenges for NVH development and refinement. Traditionally, characterization of in-vehicle powertrain noise and vibration has been assessed through standard operating conditions such as ...
Todd Tousignant   +3 more
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Ride Comfort and NVH

2011
Ride comfort is defined as the overall comfort and well-being of the vehicle’s occupants during vehicle travel. The main sources of discomfort are oscillations which reach the vehicle’s passenger compartment and cause noise, vibration, or both. Since the sources of these oscillations (the roadway, chassis, and powertrain) are outside of the passenger ...
Bernd Heißing, Metin Ersoy
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