Tank testing experiment of the Mocean M100 wave energy converter: Linear non-causal optimal control and wave prediction

Zhijing Liao, Tao Sun, Mustafa Al-Ani, Laura Beth Jordan, Chirstopher Edwards, Michael Belmont, Guang Li

Research output: Contribution to journalConference articlepeer-review

Abstract

This paper presents tank testing experimental results of applying a non-causal optimal control strategy to a hinged-raft wave energy converter (WEC). The linear non-causal optimal control (LNOC) algorithm is designed and implemented in real-time to calculate the PTO torque signal based on the WEC response feedback information and the incoming wave feed-forward information. A controllable DC motor is used to provide the required torque to the WEC hinge. Tank testing results show that, compared with a well-tuned passive damper, the LNOC can improve the absorbed mechanical power in most of the tested sea conditions by up to 126%.

Original languageEnglish
Pages (from-to)351-356
Number of pages6
JournalIFAC-PapersOnLine
Volume55
Issue number31
DOIs
Publication statusPublished - 1 Oct 2022
Event14th IFAC Conference on Control Applications in Marine Systems, Robotics, and Vehicles, CAMS 2022 - Kongens Lyngby, Germany
Duration: 14 Sept 202216 Sept 2022

Keywords

  • Optimal control
  • Sea waves prediction
  • Tank testing
  • Wave energy converter

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