The implementation of fixed rulebase fuzzy logic to the control of small surface ships

For ship control, the Proportional plus Integral plus Derivative (PID) controllers remain common-place. However, increasingly new autopilot strategies, promising higher levels of robustness and/or adaptive qualities, are being proposed as possible successors to the PID. Fuzzy logic is a modern contr...

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Bibliographic Details
Published in:Control engineering practice 1995, Vol.3 (3), p.321-328
Main Authors: Polkinghorne, M.N., Roberts, G.N., Burns, R.S., Winwood, D.
Format: Article
Language:English
Subjects:
Adaptive control systems
Autopilot
Control system synthesis
Fuzzy Control
Fuzzy sets
Marine applications
Marine Systems
Nonlinear systems
Robustness (control systems)
Ship Control
Ships
Small Vessel
Three term control systems
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Summary:For ship control, the Proportional plus Integral plus Derivative (PID) controllers remain common-place. However, increasingly new autopilot strategies, promising higher levels of robustness and/or adaptive qualities, are being proposed as possible successors to the PID. Fuzzy logic is a modern control technique which is currently finding an increasing and diverse range of novel applications, both in its fixed-rulebase and intelligent forms. By means of full scale sea-trials, a newly developed fuzzy logic autopilot is evaluated for both course-keeping and course-changing, and a comparison made to its conventional equivalent.
ISSN:0967-0661
1873-6939
DOI:10.1016/0967-0661(95)00003-D