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《Journal of Taiyuan Normal University(Natural Science Edition)》 2013-03
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Based on Observer of The Vehicle Lateral Dynamic Control

Zhang Chao;Yang Bo;School of Mathematics Sciences,Shanxi University;  
To study lateral dynamics control problem with unmeasured side slip angle and the uncertainty of the cornering stiffness coefficient,the T-S fuzzy membership function is introduced to describe vehicle lateral force of front and rear tires.Taking into account the price of side slip angle sensor is expensive,this paper uses a fuzzy obs-erver to estimate side slip angle,which highly reduce the cost.Based on the Lyapunov stability theory,a sufficient condition for the existence of controller is established in terms of linear matrix inequalities.The controller can im-prove the stability under the situation of the nonlinearities of the lateral force,the variations of the adherence coef-ficients.Eventually,a numerical example is given to show the effectiveness of the proposed approach.
【CateGory Index】: U461;TP13
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