Comparison of control strategies performance for a Wave Energy Converter

Valério, Duarte; Beirão, Pedro; Mendes, Mário J. G. C.; Costa, José Sá da

http://hdl.handle.net/10400.21/10872

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Authors

Valério, Duarte

Beirão, Pedro

Mendes, Mário J. G. C.

Costa, José Sá da

Abstract(s)

The Archimedes Wave Swing (AWS) is a a fully submerged Wave Energy Converter (WEC), that is to say, a device that converts the kinetic energy of sea waves into electricity. A ﬁrst prototype of the AWS has already been built and tested. This paper presents simulation results of the performance of several control strategies applied to this device, including PID control, reactive control, phase and amplitude control, latching control, feedback linearisation control, internal model control, switching control, and combinations thereof. Linear, white-box nonlinear, and neural network models were employed. Signiﬁcant (above threefold) increases in yearly energy production were found to be possible with properly designed control strategies.

Keywords

Archimedes Wave Swing (AWS) Wave Energy Converter (WEC) Kinetic energy of sea waves Electricity

URI

http://hdl.handle.net/10400.21/10872

Citation

VALÉRIO, Duarte; [et al] – Comparison of control strategies performance for a Wave Energy Converter. In 2008 16th Mediterranean Conference on Control and Automation. Ajaccio, France: IEEE, 2008. ISBN 978-1-4244-2505-1. Pp. 773-778