Adaptive tracking control of nonholonomic mobile robots considering actuator dynamics: dynamic surface design approach

  • Authors:
  • Bong Seok Park;Sung Jin Yoo;Jin Bae Park;Yoon Ho Choi

  • Affiliations:
  • Department of Electrical and Electronic Engineering, Yonsei University, Shinchon-Dong, Seodaemum-Gu, Seoul, Korea;Department of Electrical and Electronic Engineering, Yonsei University, Shinchon-Dong, Seodaemum-Gu, Seoul, Korea;Department of Electrical and Electronic Engineering, Yonsei University, Shinchon-Dong, Seodaemum-Gu, Seoul, Korea;School of Electronic Engineering, Kyonggi University, Suwon-Si, Kyonggi-Do, Korea

  • Venue:
  • ACC'09 Proceedings of the 2009 conference on American Control Conference
  • Year:
  • 2009

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Abstract

In this paper, we propose an adaptive tracking control of nonholonomic mobile robots considering actuator dynamics. All parameters of robot kinematics, robot dynamics, and actuator dynamics are assumed to be uncertain. For the simple controller design, the dynamic surface control methodology is applied and extended to multi-input multioutput systems (i.e., mobile robots) that the number of inputs and outputs is different. From the Lyapunov stability theory, we derive adaptation laws and prove that all signals of a closed-loop system are semi-globally uniformly ultimately bounded. Finally, we perform compute simulations to demonstrate the performance of the proposed controller.