Title :
PID controller optimisation for fin roll stabilisation
Author :
Hickey, N.A. ; Johnson, M.A. ; Katebi, M R ; Grimble, M.J.
Author_Institution :
Dept. of Comput. & Electr. Eng., Heriot-Watt Univ., Edinburgh, UK
Abstract :
The classical ship roll control PID design method is based on a single performance criterion. This paper extends this method to a nonlinear constrained optimisation, which includes all the controller performance and stability design criteria. The classic PID design method is first introduced before going on to discuss the set of controller design specifications. It is then shown how these specifications are incorporated into the optimised design. The optimal method is then applied to the design of controllers for three separate ships, which present particular problems for the classical design method. Conclusions are then drawn from the results obtained
Keywords :
control system synthesis; nonlinear programming; optimal control; performance index; ships; stability; three-term control; PID controller optimisation; PID design method; controller performance criteria; fin roll stabilisation; nonlinear constrained optimisation; optimised design; ship roll control PID design method; stability design criteria; Constraint optimization; Control systems; Design methodology; Design optimization; Low pass filters; Marine vehicles; Resonance; Resonant frequency; Three-term control; Velocity control;
Conference_Titel :
Control Applications, 1999. Proceedings of the 1999 IEEE International Conference on
Conference_Location :
Kohala Coast, HI
Print_ISBN :
0-7803-5446-X
DOI :
10.1109/CCA.1999.801242