Optimisation of Engine Mounting System for Reduction in Lateral Shake and Drive Away Shudder on Vehicle

2017-01-1822

06/05/2017

Features
Event
Noise and Vibration Conference and Exhibition
Authors Abstract
Content
In this study we will be discussing two issues related to vibrations which effect car owners. The first one, called lateral shake, can be described as a lateral vibration felt by customer in low speed of around 1200rpm, when vehicle shakes severely in Y-direction. The vibration is significantly felt at the thighs of passengers. A 16DOF rigid body model is established to simulate the power train & body system. The second vibration issue, called drive away shudder (also known as clutch judder/chatter/shudder) is a vibration felt by customers at the time of marching off. The vibration is significantly felt at the time of clutch engagement as a shiver in vehicle. While the common solution of shudder is to optimize clutch friction & engagement, in this study solution has been provided by optimizing the power train mounting system. Clutch shudder is observed on a medium sized car when driven in the range of 10-20 Km/h. The design of powertrain mounting system has been modified to achieve the reduction in above mentioned vibrations. The pros & cons of the suggested change in mounting system on the overall NVH performance is also discussed.
Meta TagsDetails
DOI
https://doi.org/10.4271/2017-01-1822
Pages
7
Citation
Agarwal, K., and Hazra, S., "Optimisation of Engine Mounting System for Reduction in Lateral Shake and Drive Away Shudder on Vehicle," SAE Technical Paper 2017-01-1822, 2017, https://doi.org/10.4271/2017-01-1822.
Additional Details
Publisher
Published
Jun 5, 2017
Product Code
2017-01-1822
Content Type
Technical Paper
Language
English