Journal of System Simulation ›› 2020, Vol. 32 ›› Issue (9): 1753-1761.doi: 10.16182/j.issn1004731x.joss.19-0081

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Ship's Rudder/Fin Joint Anti-Rolling MPC Control Based on Feedback Linearization

Li Hui, Xie Yingnan, Lan Liqi   

  1. Marine Electrical Engineering College, Dalian Maritime University, Dalian 116026, China
  • Received:2019-03-01 Revised:2019-04-15 Online:2020-09-18 Published:2020-09-18

Abstract: Aiming at the nonlinearity, strong coupling and multivariate characteristics of the ship motion system, and considering the influence of marine environment on ship motion, a four-degree-of-freedom (surging, swaying, rolling and yawing) motion nonlinear mathematical model is established to comprehensively represent the essential characteristics of ship motion. Since the model predictive control is an applied multivariable optimal control strategy, the ship rudder/fin joint anti-rolling Model Predictive Control (MPC) system based on feedback linearization is designed. The simulations of ship rolling and course-keeping joint control are carried out under different sea conditions, and the results show that the control method is robust and can achieve accurate heading control and good anti-rolling effect.

Key words: rudder/fin joint roll stabilization, four-degree-of-freedom model, feedback linearization, Model Predictive Control

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