Estimation of excitation force on wave energy converters using pressure measurements for feedback control
© 2016 IEEE. Many of the control strategies for wave energy converters (WECs) that have been studied in the literature rely on the availability of estimates for either the wave elevation or the exciting force caused by the incoming wave; with the objective of addressing this issue, this paper presents the design of a state estimator for a WEC. In particular, the work described in this paper is based on an extended Kalman filter that uses measurements from pressure sensors located on the hull of the WEC to estimate the wave exciting force. Simulation results conducted on a heaving point absorber WEC shows that the extended Kalman filter provides a good estimation of the exciting force in the presence of measurement noise combined with a simplified model of the system, thus making it a suitable candidate for the implementation in an experimental set-up.
OCEANS 2016 MTS/IEEE Monterey, OCE 2016
Estimation of excitation force on wave energy converters using pressure measurements for feedback control.
OCEANS 2016 MTS/IEEE Monterey, OCE 2016.
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