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Experiences of System Identification Applied to Ship Steering

På svenska

Author

Summary, in English

Different system identification methods have been applied to determine ship steering dynamics from full-scale experiments. The techniques used include output error, maximum likelihood and more general prediction error methods. Different model structures have been investigated ranging from input-output models in difference equation form to the equations of motion in their natural form. Effects of disturbances, errors and dynamics in sensors and actuators have been considered. Programs for interactive system identification have been used extensively. The experiments have been performed both under open loop and closed loop conditions. Both linear and nonlinear models have been considered. The paper summarizes the experiences obtained from applying system identification methods to many different ships. The results have been applied both to investigate steering properties and to design autopilots for ship steering. Insight into ship steering dynamics and identification methodology has been obtained.

Publishing year

1981

Language

English

Pages

187-198

Publication/Series

Automatica

Volume

17

Issue

1

Document type

Journal article

Publisher

Pergamon Press Ltd.

Topic

  • Control Engineering

Status

Published

ISBN/ISSN/Other

  • ISSN: 0005-1098