Filtering backstepping ship movement control system based on self-adaption fuzzy estimator
A technology of self-adaptive fuzzy control system, applied in the direction of self-adaptive control, general control system, control/regulation system, etc., to achieve the effect of simple form, enhanced suppression ability, and improved robust performance
Active Publication Date: 2014-02-19
哈尔滨船海智能装备科技有限公司
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The invention provides a filtering backstepping ship movement control system based on a self-adaption fuzzy estimator. The filtering backstepping ship movement control system comprises a control system (2), a guide system (4), a diffeomorphism exchanger (6), a data processing system (7) and a sensor system (12). The guide system (4) obtains the expectation position, the expectation heading and the expectation speed of a ship at each moment. The sensor system (12) comprises a pose sensor (11) and a speed sensor (10). The data processing system (7) comprises a data fusion system (9) and a filtering system (8). The control system (2) comprises a filtering backstepping controller (3) and the self-adaption fuzzy estimator (5). The self-adaption fuzzy estimator (5) simultaneously receives data from the guide system (4) and the diffeomorphism exchanger (6). The filtering backstepping controller (3) simultaneously receives expectation information and differential coefficients of the expectation information which are provided by the guide system (4), new state variable information provided by the diffeomorphism exchanger (6), and estimated output, provided by the self-adaption fuzzy estimator (5), for unknown nonlinear functions.
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