不規則波の波浪エネルギー吸収

概要

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The optimal conditions for complete absorption of wave energy in regular waves are well known. However, to establish the system of wave energy absorption in irregular waves it is necessary to consider the problem on the basis of time domain analysis, because the optimal condition depends on wave frequency and irregular waves contain many component waves having different frequencies. In this paper, the theory of optimal control system for absorbing the energy of irregular waves is studied. For this purpose, a system in which the incident irregular waves are measured at a certain distance in front of the floating body and the external mechanism attached to the floating body for wave energy absorption is controlled with high efficiency instantaneously by using the measured wave data, called "Feedforward Control System for Wave Energy Absorption", is proposed. Furthermore, the law of causation in the characteristics of wave propagation is discussed from the viewpoint of practical approach, because the kernel function of wave propagation does not usually satisfy the law of causation.
社団法人日本船舶海洋工学会の論文
1984-09-30