5-DOF Dynamic Model of Vehicle Shimmy System with Clearance at Universal Joint in Steering Handling Mechanism | Zendy

Jianwei Lu | Zendy; Yi Xu | Zendy; Chen Hu | Zendy; Alexander F. Vakakis | Zendy; Lawrence A. Bergman | Zendy

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5-DOF Dynamic Model of Vehicle Shimmy System with Clearance at Universal Joint in Steering Handling Mechanism

Author(s) -

Jianwei Lu,

Yi Xu,

Chen Hu,

Alexander F. Vakakis,

Lawrence A. Bergman

Publication year - 2013

Publication title -

shock and vibration

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.418

H-Index - 45

eISSN - 1875-9203

pISSN - 1070-9622

DOI - 10.1155/2013/469497

Subject(s) - speed wobble , mechanism (biology) , joint (building) , universal joint , control theory (sociology) , computer science , engineering , vehicle dynamics , automotive engineering , simulation , mechanical engineering , structural engineering , physics , control (management) , classical mechanics , quantum mechanics , artificial intelligence

5-DOF dynamic model of vehicle shimmy system with clearance in universal joint of steering handling mechanism is presented. The sub model of cross shaft universal joint with clearance is built based on Hertz' theory, and two-state model is applied to describe the contact force. The sub model of the universal joint is combined with the simplified dynamic model of steering system, and a 5-DOF dynamic model of vehicle shimmy system with consideration of assembling clearance in universal joint of steering handling mechanism is presented. Based on this model, numerical analysis is carried out to evaluate the influence of clearance in universal joint on the dynamic behavior of the vehicle shimmy system. The results show that the clearance and some other parameters, such as vehicle speed, have coupled contribution to the dynamic behavior of the vehicle shimmy system. The conclusions provide theoretical basis for effective attenuation of vehicle shimmy, especially for those in-service vehicles.

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