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Predictive Control for Visual Servo Stabilization of Nonholonomic Mobile Robots

Author:
CAO, Zheng-Cai   YIN, Long-Jie   FU, Yi-Li   LIU, Tian-Long  


Journal:
Acta Automatica Sinica


Issue Date:
2013


Abstract(summary):

Visual servo stabilization of nonholonomic mobile robots has gained extensive attention. However, currently, the solution of the problem does not consider both the visibility constraints and the actuator limitations, so the designed controller is difficult to realize satisfactory performance in practical application. In this paper, a predictive controller for the visual servo stabilization of a mobile robot is presented. Firstly, a kinematic predictive stabilization controller utilized to generate the command of velocity is introduced. Then, in order to make the actual velocity of the mobile robot asymptotically approach to the desired one, a dynamic predictive controller is designed. The proposed predictive controller can deal with the constraints easily. Finally, several simulations are performed, and the results illustrate that the proposed control scheme is effective to solve the visual servo stabilization problem.


Page:
1238-1245


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