Manual Transmission Gear Rattle Vibration Research Based on Mathematical and Multi-Body Dynamics Co-simulation and Experiment

doi:10.1007/s12204-019-2085-3

Journal of Shanghai Jiao Tong University (Science) ›› 2019, Vol. 24 ›› Issue (4): 524-533.doi: 10.1007/s12204-019-2085-3

Manual Transmission Gear Rattle Vibration Research Based on Mathematical and Multi-Body Dynamics Co-simulation and Experiment

LI Meng (李蒙), ZHANG Yong* (张勇), LIU Fengyu (刘峰宇), YIN Chengliang (殷承良)

(National Engineering Laboratory for Automotive Electronic Control Technology, Shanghai Jiao Tong University, Shanghai 200240, China)

出版日期:2019-08-01 发布日期:2019-07-29
通讯作者: ZHANG Yong* (张勇) E-mail:yongzhang1977@sjtu.edu.cn

Manual Transmission Gear Rattle Vibration Research Based on Mathematical and Multi-Body Dynamics Co-simulation and Experiment

LI Meng (李蒙), ZHANG Yong* (张勇), LIU Fengyu (刘峰宇), YIN Chengliang (殷承良)

(National Engineering Laboratory for Automotive Electronic Control Technology, Shanghai Jiao Tong University, Shanghai 200240, China)

Online:2019-08-01 Published:2019-07-29
Contact: ZHANG Yong* (张勇) E-mail:yongzhang1977@sjtu.edu.cn

摘要/Abstract

摘要： A method, which compares the angular acceleration and vibration spectrums of shafts and gears with physical characteristics of gearbox as tooth numbers and speed ratios, is proposed to find the source of gear rattle vibration. A mathematical and multi-body dynamics co-simulation model is built to reproduce the gear rattle phenomenon of one typical type of manual transmission. In the model, multi-body dynamics part is used for rotational motion and engagement simulation of gearbox shafts and gears, while mathematical part for control and data processing. The simulation results show that the sound source of the gear rattle from the first gear to the third gear is similar to the experimental results; different parameters like rotating damping, contact stiffness, contact damping, inertia moment and torque fluctuation making effects on gear rattle vibration strength are researched and simulated. The comparison of the simulation and experimental results shows that this method can provide recommendations for solving practical gear rattle problems.

关键词: gear rattle, manual transmission, mathematical model, multi-body dynamics, co-simulation

Abstract: A method, which compares the angular acceleration and vibration spectrums of shafts and gears with physical characteristics of gearbox as tooth numbers and speed ratios, is proposed to find the source of gear rattle vibration. A mathematical and multi-body dynamics co-simulation model is built to reproduce the gear rattle phenomenon of one typical type of manual transmission. In the model, multi-body dynamics part is used for rotational motion and engagement simulation of gearbox shafts and gears, while mathematical part for control and data processing. The simulation results show that the sound source of the gear rattle from the first gear to the third gear is similar to the experimental results; different parameters like rotating damping, contact stiffness, contact damping, inertia moment and torque fluctuation making effects on gear rattle vibration strength are researched and simulated. The comparison of the simulation and experimental results shows that this method can provide recommendations for solving practical gear rattle problems.

Key words: gear rattle, manual transmission, mathematical model, multi-body dynamics, co-simulation

中图分类号:

U 463.212

LI Meng (李蒙), ZHANG Yong* (张勇), LIU Fengyu (刘峰宇), YIN Chengliang (殷承良). Manual Transmission Gear Rattle Vibration Research Based on Mathematical and Multi-Body Dynamics Co-simulation and Experiment[J]. Journal of Shanghai Jiao Tong University (Science), 2019, 24(4): 524-533.

参考文献

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Manual Transmission Gear Rattle Vibration Research Based on Mathematical and Multi-Body Dynamics Co-simulation and Experiment

Manual Transmission Gear Rattle Vibration Research Based on Mathematical and Multi-Body Dynamics Co-simulation and Experiment

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