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| TRACKING CONTROL FOR CHAOS MOTION OF AUTOMOBILE SUSPENSION SYSTEM WITH DUAL-FREQUENCY EXCITATIONS |
| Gao Dawei1;Cui Ling2;Wang Hao3 |
| (1.College of Automotive Engineering, Tongji University, Shanghai 201804;2.Shandong Trasportation Vocational College Shandong Weifang 261206 ;3.Shanghai Volkswagen Automobile Co., Ltd 201804) |
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Abstract Chaos motion of nonlinear Automobile suspension system under the dual-frequency sinusoidal excitations is analysed. Chaos motion is decided through Lyapunov exponents and Poincare map and amplitude of chaos motion is found.Then a controller U is designed when all the states of the system are measurable. It is proved by means of Lyapunov function that the closed-loop system is asymptotically stable in the sense of large range. At last, the tracking control with the controller U is used to control chaos motion and the control process has being numerical Simulation. The results of numerical Simulation prove that the tracking control method is effective.
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Received: 03 April 2009
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2010, Vol. 29 
