Abstract
Abstract Engine mounting system is the most responsible system for NVH performance of vehicle. The vibration at idle shake, road shake, Key ON/OFF, gear shift tuned by the engine mount position and stiffness. Previously described Engine mounting system theory investigated and summarized in this paper. Decoupling of the Power train rigid mode and Reducing the angle between Torque-Roll-Axis and Elastic-roll-Axis is starting point of optimization. Multi-optimization analysis was performed because of variety simulation case and FE-model. Eventually, Find the best mount location and the stiffness has improved the performance of the vehicle NVH. Key Words : Idle Vibration, Torque Roll Axis, Elastic Roll Axis, Multi-Optimization, Power Train, Mode decoupling, Engine Mounting, NVH(Noise Vibration Harshness) * Corresponding Author : Jang-Su Kim(Ssangyong Motor Company Changwon Engine Plant)Tel: +82-55-268-0331 email: kimJangSu1229@gmail.comReceived July 16, 2013 Revised (1st August 22, 2013, 2nd September 2, 2013) Accepted October 10, 2013
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