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Citation:
　Lei Yuanand Han-song Wu.Terminal Sliding Mode Fuzzy Control Based on Multiple Sliding Surfaces for Nonlinear Ship Autopilot Systems[J].Journal of Marine Science and Application,2010,(4):425-430.
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Terminal Sliding Mode Fuzzy Control Based on Multiple Sliding Surfaces for Nonlinear Ship Autopilot Systems

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Title:
Terminal Sliding Mode Fuzzy Control Based on Multiple Sliding Surfaces for Nonlinear Ship Autopilot Systems
Author(s):
Lei Yuanand Han-song Wu
Affilations:
Author(s):
Lei Yuanand Han-song Wu
Department of Electrical and Information Engineering, Naval University of Engineering, Wuhan, 430033, China
Keywords:
ship course control;  unmatched uncertainty;  multiple sliding mode control;  nonsingular terminal sliding mode control;  robustness
分类号:
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DOI:
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Abstract:
A terminal sliding mode fuzzy control based on multiple sliding surfaces was proposed for ship course tracking steering, which takes account of rudder characteristics and parameter uncertainty. In order to solve the problem, the controller was designed by employing the universal approximation property of fuzzy logic system, the advantage of Nussbaum function, and using multiple sliding mode control algorithm based on the recursive technique. In the last step of designing, a nonsingular terminal sliding mode was utilized to drive the last state of the system to converge in a finite period of time, and high-order sliding mode control law was designed to eliminate the chattering and make the system robust. The simulation results showed that the controller designed here could track a desired course fast and accurately. It also exhibited strong robustness peculiarly to system, and had better adaptive ability than traditional PID control algorithms. Keywords: ship course control; unmatched uncertainty; multiple sliding mode control; nonsingular terminal sliding mode control; robustness

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Last Update: 2011-04-29