Compensator design with control force limitation for heaving wave energy converters

Addy Wahyudie, Mohammed A. Jama, Tri B. Susilo, Omsalama Saeed

Research output: Chapter in Book/Report/Conference proceedingConference contribution


The paper considers a reference-based control system for heaving wave energy converters. The proposed controller comprises two parts: lower level part (LLP) and higher level part (HLP). The HPL generates the buoy's velocity reference with the objective to maximize the power absorption with the constraints in the maximum control force and the power take-off device's utilization index. The index is determined as the ratio between the maximum electrical power with its average power. The LLP ensuring the actual velocity of the buoy follows reference by utilising the feedback controlled system. The simple robust lead-lag controller is used as the main controller in the LLP. The proposed control method is examined using the irregular and regular sea-states, as so with the perturbations and nominal scenarios.

Original languageEnglish
Title of host publicationOCEANS 2017 � Anchorage
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages5
ISBN (Electronic)9780692946909
Publication statusPublished - Dec 19 2017
EventOCEANS 2017 - Anchorage - Anchorage, United States
Duration: Sept 18 2017Sept 21 2017

Publication series

NameOCEANS 2017 - Anchorage


OtherOCEANS 2017 - Anchorage
Country/TerritoryUnited States

ASJC Scopus subject areas

  • Oceanography
  • Automotive Engineering
  • Water Science and Technology
  • Acoustics and Ultrasonics
  • Instrumentation
  • Ocean Engineering


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