scholarly journals Energy‐maximising moment‐based constrained optimal control of ocean wave energy farms

2021 ◽  
Author(s):  
Nicolás Faedo ◽  
Giordano Scarciotti ◽  
Alessandro Astolfi ◽  
John V. Ringwood
Keyword(s):  
Optimal Control ◽  
Wave Energy ◽  
Ocean Wave ◽  
Constrained Optimal Control ◽  
Ocean Wave Energy

scholarly journals An Optimal Control Method for Maximizing the Efficiency of Direct Drive Ocean Wave Energy Extraction System

2014 ◽  
Vol 2014 ◽  
pp. 1-10 ◽  
Author(s):  
Zhongxian Chen ◽  
Haitao Yu ◽  
Cheng Wen
Keyword(s):  
Optimal Control ◽  
Wave Energy ◽  
Pid Control ◽  
Control Method ◽  
Ocean Wave ◽  
Extraction System ◽  
Energy Extraction ◽  
Direct Drive ◽  
Ocean Wave Energy ◽  
Optimal Control Method

The goal of direct drive ocean wave energy extraction system is to convert ocean wave energy into electricity. The problem explored in this paper is the design and optimal control for the direct drive ocean wave energy extraction system. An optimal control method based on internal model proportion integration differentiation (IM-PID) is proposed in this paper though most of ocean wave energy extraction systems are optimized by the structure, weight, and material. With this control method, the heavy speed of outer heavy buoy of the energy extraction system is in resonance with incident wave, and the system efficiency is largely improved. Validity of the proposed optimal control method is verified in both regular and irregular ocean waves, and it is shown that IM-PID control method is optimal in that it maximizes the energy conversion efficiency. In addition, the anti-interference ability of IM-PID control method has been assessed, and the results show that the IM-PID control method has good robustness, high precision, and strong anti-interference ability.

scholarly journals Ocean Wave Energy Utilization using Magnetostrictive Vibrational Power Generator

2014 ◽  
Vol 70 (2) ◽  
pp. I_1306-I_1310
Author(s):  
Takehis SAITOH ◽  
Junpei WAGATSUM ◽  
Toshiyuki UENO ◽  
Shot KITA
Keyword(s):  
Wave Energy ◽  
Energy Utilization ◽  
Ocean Wave ◽  
Power Generator ◽  
Ocean Wave Energy

scholarly journals Experimental testing and model validation for ocean wave energy harvesting buoys

2013 ◽  
Author(s):  
Douglas A. Gemme ◽  
Steven P. Bastien ◽  
Raymond B. Sepe ◽  
John Montgomery ◽  
Stephan T. Grilli ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Model Validation ◽  
Wave Energy ◽  
Experimental Testing ◽  
Ocean Wave ◽  
Ocean Wave Energy
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