Control and Optimization of Marine Renewable Energy Systems

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Marine Energy".

Deadline for manuscript submissions: 15 March 2026 | Viewed by 615

Special Issue Editors


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Guest Editor
School of Engineering, University of Manchester, Manchester M13 9PL, UK
Interests: control system design; offshore renewable energies; wave energy converter; floating offshore wind turbine; optimal power management.

E-Mail Website
Guest Editor
Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology, Kunming 650500, China
Interests: integrated modelling; offshore renewable energies; adaptive control; vibration control; parameter estimation; transient performance improvement

Special Issue Information

Dear Colleagues,

Marine renewable energy systems (MRESs) usually exhibit complicated hydrodynamic and aerodynamic properties and have strong design couplings and constraints across different design domains (mechanical, electrical, power electronics, energy storage, etc.). These complexities introduce great challenges for the development of MRESs towards their commercialization. Device design optimization and control system design play a central role in improving the performance of MRESs: increasing energy conversion efficiency, improving resilience, and enhancing safe operations and resilience against harsh and changing sea conditions. Innovations in design optimization and control for MRESs will ultimately contribute to the reduction in the unit cost of electricity generation and increase their competitiveness in the energy market. This Special Issue focuses on the latest developments in control and design techniques for MRESs, including sea wave, tidal, ocean thermal, salinity gradient, etc. Offshore wind and hybrid energy systems can also be included.

Prof. Dr. Guang Li
Dr. Yingbo Huang
Guest Editors

Manuscript Submission Information

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Keywords

  • control system design
  • optimal design
  • wave energy
  • tidal energy
  • offshore wind
  • ocean thermal
  • salinity gradient

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Published Papers (1 paper)

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Research

18 pages, 4489 KB  
Article
Attitude Control Method and Model Test for the Wave-Absorbing Buoy of the Sharp Eagle Wave Energy Converter Under All-Sea-State Operations
by Kunlin Wang, Peifan Chen, Yin Ye, Wensheng Wang, Yaqun Zhang and Songwei Sheng
J. Mar. Sci. Eng. 2025, 13(11), 2184; https://doi.org/10.3390/jmse13112184 - 18 Nov 2025
Viewed by 403
Abstract
As a critical component of marine renewable energy, wave energy has long remained a focal point in research on development and use. The Sharp Eagle wave energy converter (hereafter, Sharp Eagle WEC) exhibits wave energy capture efficiency-related advantages, which are attributed to the [...] Read more.
As a critical component of marine renewable energy, wave energy has long remained a focal point in research on development and use. The Sharp Eagle wave energy converter (hereafter, Sharp Eagle WEC) exhibits wave energy capture efficiency-related advantages, which are attributed to the unique structural configuration of its Sharp Eagle wave-absorbing buoy (hereafter, buoy). Operational observations reveal that under severe sea conditions, buoy motion amplitude increases significantly. Consequently, the downstream hydraulic and power generation systems experience excessive power loads, and the converter exceeds displacement limits, causing collisions with end-stop structures, which compromises operational safety. Research findings indicate that the attitude of the buoy directly governs its motion characteristics. We proposed a ballast-and-load-based attitude control method for the buoy. This approach provides safe and efficient operation across all sea conditions. Via scaled model tests, converter operational data covering various ballast configurations were compared and analyzed, focusing on the effects of ballast on the capture width ratio (hereafter, CWR) and piston displacement range of energy conversion hydraulic cylinders. Herein, the feasibility of adjusting capture efficiency and motion displacement by controlling the buoy attitude is validated, providing a technical framework for efficient and safe operation of the WEC under all sea conditions. Full article
(This article belongs to the Special Issue Control and Optimization of Marine Renewable Energy Systems)
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