Nonlinear dynamic analysis of the whole vehicle on bumpy road |
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| Authors: | WANG Wei LI Guixian SONG Yuling |
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| Institution: | 1. School of Mechanical Engineering, Harbin Institute of Technology, Harbin 150001, China
2. Harbin North Special Type Vehicle-Making Ltd., Harbin 150056, China |
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| Abstract: | Through the research into the characteristics of 7-DoF high dimensional nonlinear dynamics of a vehicle on bumpy road, the periodic movement and chaotic behavior of the vehicle were found.The methods of nonlinear frequency response analysis, global bifurcation, frequency chart and Poincaré maps were used simultaneously to derive strange super chaotic attractor.According to Lyapunov exponents calculated by Gram-Schmidt method, the unstable region was compartmentalized and the super chaotic characteristic of ... |
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| Keywords: | vehicle nonlinear dynamics chaotic movement global bifurcation Lyapunov exponent nonlinear frequency response analysis |
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