Optimization of Dual-Mass Flywheel Parameters Based on a Multicondition Simulation Test

Author:

Xie Maoqing12,Wang Shangrui3,Yan Zhengfeng3ORCID,Wang Leigang4,Tan Guanhua2

Affiliation:

1. School of Intelligent Manufacturing, Hangzhou Polytechnic of Science and Technology, Hangzhou 311402, China

2. Zhejiang Tieliu Clutch Co., Ltd., Hangzhou 311101, China

3. School of Automotive and Transportation Engineering, Hefei University of Technology, Hefei 230009, China

4. School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China

Abstract

A dual-mass flywheel is an important part of an automobile transmission system whose function is to ensure the smooth transmission of engine power to a gearbox. Vehicle vibration and noise are major indicators of vehicle comfort, while dual-mass flywheel technology can preferably solve the comfort problem. Based on the created torsional vibration model, this paper describes the testing of the torsional characteristics under various conditions with an LMS AMESim simulation. The results show that the noise in the cab is fundamentally below 60 dB. The computational formula for the angular stiffness of an arc coil spring is derived, and then the spring angular stiffness is optimized with arithmetic averaging, which reveals an adjusted angular stiffness of 12.8 Nm/°. Additionally, the requirement for the angular acceleration of the WOT input shaft (i.e., being less than 500 rad/s2) is satisfied for various gears. The test results show that the double-mass flywheel can attain a vibration isolation efficiency of around 85%, which more effectively reduces the transmission vibration and noise and improves the vehicle comfort.

Funder

National Natural Science Foundation of China

Publisher

Hindawi Limited

Subject

Mechanical Engineering,Mechanics of Materials,Geotechnical Engineering and Engineering Geology,Condensed Matter Physics,Civil and Structural Engineering

Reference29 articles.

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