Abstract—
Based on a 6 degrees-of-freedom dynamic model of vehicle shimmy system with consideration of stochastic clearance, the influence of clearance joints on the dynamic characteristic of the vehicle shimmy system is analyzed. The global analysis is also carried out to discuss the influence of vehicle speeds and clearance parameters on the dynamic behavior of the vehicle shimmy system. Moreover, the influence of stochastic clearance on the shimmy amplitude is investigated by means of the Monte Carlo method. According to the analysis of the amplitude distribution of the vehicle shimmy system, a reliability index is introduced to evaluate the system stability. The results show that with the increase of contact stiffness, the large amplitude domain can be reduced even with a relatively large mean value of stochastic clearance, which is an economical and effective way to attenuate vehicle shimmy.
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This research was supported by Program for New Century Excellent Talents in University under grant no. NCET-10-0358, the National Natural Science Foundation of China under Grant Agreement No [51875150] and Innovation Project of New Energy Vehicle and Intelligent Connected Vehicle of Anhui Province.
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Wei, H., Lu, J. & Jiang, J. Analysis of dynamic behavior of vehicle shimmy system with stochastic clearance. Mech. Solids 57, 139–148 (2022). https://doi.org/10.3103/S0025654422010058
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DOI: https://doi.org/10.3103/S0025654422010058