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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/44128

Title: Controller Design Problem of Discrete Uncertain Ship Autopilot Servo Stochastic System
Authors: Cheung-Chieh Ku;Guan-Wei Chen
Contributors: 國立臺灣海洋大學:輪機工程學系
Keywords: Marine vehicles;Mathematical model;Servomotors;Stochastic processes;Closed loop systems;Stochastic systems;Differential equations
Date: 2014
Issue Date: 2017-11-15T03:31:19Z
Publisher: Systems, Process and Control (ICSPC), 2014 IEEE Conference on
Abstract: Purpose of this paper is to propose a method of gain-scheduled controller design for uncertain ship autopilot servo stochastic system. The Linear Parameter Varying (LPV) system, which is evolved from uncertainty linear system, is presented on characterizing uncertain time variations of parameters for the considered system. Moreover, the stochastic differential equation is employed to describe the stochastic behaviors of the system. Through the LPV system and the stochastic differential equation, the uncertain ship autopilot servo stochastic system can be completely described. For the system, the gain-scheduled design technique is applied in discussing the stabilization problems. Based on the Lyapunov function, the sufficient conditions are derived to analyze the stability of the system in the mean square. Then, the gain-scheduled controller design method can be proposed based on the derived conditions. Finally, the simulation results of uncertain ship autopilot servo stochastic system with designed controller are provided for demonstrating the effectiveness and usefulness of the proposed design method.
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/44128
Appears in Collections:[輪機工程學系] 演講及研討會

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