Optimization of clutch vibration isolation performance based on trouble shooting for reducing abnormal noise during vehicle accelerating

Wen-Bin Shangguan1, Ruo-Yuan Zheng1, Tao Sun1, Jian-Yun Xie2, Shan-Nan Wang2, Qiu-Feng Hou2

Journal of Vibration and Shock ›› 2015, Vol. 34 ›› Issue (19) : 115-119.

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PDF(1353 KB)
Journal of Vibration and Shock ›› 2015, Vol. 34 ›› Issue (19) : 115-119.

Optimization of clutch vibration isolation performance based on trouble shooting for reducing abnormal noise during vehicle accelerating

  • Wen-Bin Shangguan1, Ruo-Yuan Zheng1, Tao Sun1, Jian-Yun Xie2, Shan-Nan Wang2, Qiu-Feng Hou2
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Abstract

The purpose of the model is to analyze the performance of torsional vibration reduction for a clutch based on trouble shooting for reducing abnormal noise during vehicle accelerating. The input and output rotational speed of a clutch can be calculated using the developed model if the torque fluctuation of the flywheel is assumed, so the isolation for torsional vibration of a clutch can be estimated directly. An abnormal noise at the cabin for a passenger car is perceived at accelerating of a car with 3 gear WOT and the engine speed is at the range of 1700 rpm to 2500rpm. To reduce the noise, an optimization model is presented by maximizing the isolation of a clutch at the rotational speed of 1700 rpm to 2500rpm, and taking the torsional stiffness and damping of a clutch as design variables. After installing the optimized clutch in the car, the noise at the engine compartment and at the cabin and vibration at the bracket of transmission mount is measured and compared with that using original clutch. The experiment demonstrates that the noise and vibration are reduced greatly with the optimized clutch, which validates the proposed model and calculated results.

Key words

Abnormal noise during car accelerating / Clutch / Noise at engine compartment / Vibration of transmission bracket

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Wen-Bin Shangguan1, Ruo-Yuan Zheng1, Tao Sun1, Jian-Yun Xie2, Shan-Nan Wang2, Qiu-Feng Hou2. Optimization of clutch vibration isolation performance based on trouble shooting for reducing abnormal noise during vehicle accelerating[J]. Journal of Vibration and Shock, 2015, 34(19): 115-119

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