A kind of robust rudder roll-damping system

Author

Zhang, Xianku ; Jin, Yicheng ; Yang, Chengen ; Zhang, Likun

Author_Institution

Dalian Maritime Univ.

fYear

2006

fDate

19-21 Jan. 2006

Lastpage

1154

Abstract

A closed-loop gain shaping algorithm for an SIMO system is presented in this paper. The closed-loop transfer function matrix of an SIMO system must be singular, so the closed-loop transfer function should be assumed a singular matrix, and then the robust controller is designed. The closed-loop gain shaping algorithm is applied to the rudder roll-damping system. The nonlinear mathematical model of a rudder roll-damping system is researched and built, and is realized by programming in Matlab. The controller designed is applied to the nonlinear model, and then simulated by Simulink. The simulating curves are analyzed and compared, and a conclusion can be drawn that the designed controller has good control performance and robustness, the roll reduction rate is about 50%

Keywords

closed loop systems; multivariable control systems; robust control; transfer function matrices; SIMO system; closed-loop gain shaping algorithm; closed-loop transfer function matrix; nonlinear mathematical model; nonlinear model; robust controller; roll reduction rate; rudder roll-damping system; singular matrix; Control systems; Frequency; MIMO; Marine vehicles; Mathematical model; Robust control; Robust stability; Robustness; Shape control; Transfer functions; SIMO system; closed-loop gain shaping; rudder roll-damping; singular; unsquare matrix;

fLanguage

English

Publisher

ieee

Conference_Titel

Systems and Control in Aerospace and Astronautics, 2006. ISSCAA 2006. 1st International Symposium on

Conference_Location

Harbin

Print_ISBN

0-7803-9395-3

Type

conf

DOI

10.1109/ISSCAA.2006.1627570

Filename

1627570