モデル予測制御による波力発電装置の高効率化

DOI Web Site Web Site 被引用文献6件 参考文献10件 オープンアクセス
  • 谷口 友基
    国立研究開発法人海上・港湾・航空技術研究所 海上技術安全研究所
  • 藤原 敏文
    国立研究開発法人海上・港湾・航空技術研究所 海上技術安全研究所
  • 井上 俊司
    国立研究開発法人海上・港湾・航空技術研究所 海上技術安全研究所
  • 大塚 敏之
    国立大学法人京都大学大学院情報学研究科 システム科学専攻

書誌事項

タイトル別名
  • Power Production Efficiency Improvement of a Point Absorber Type Wave Energy Converter by Model Predictive Control
  • モデル ヨソク セイギョ ニ ヨル ハリョク ハツデン ソウチ ノ コウコウリツカ

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説明

<p>This paper numerically investigates motion and power production characteristics of a point absorber type wave energy converter (WEC) using a model predictive control (MPC). The MPC is able to maximize power production while handling hard constraints, such as maximum motion, control force and so on. Motion and power production characteristics of the MPC were compared with two conventional control methods, the approximate complex-conjugate control with considering the copper loss (ACL) and the resistive loading control (RLC), under the sea condition of Japanese typical joint probability distribution based on a 21-year high-resolution hindcast dataset. From the numerical simulation, it was found that motion and power production characteristics of the MPC were comparable to these of the ACL if the wave height was low enough not to activate the MPC's constraints. As the wave height increased, the two conventional control methods, excluding the MPC, couldn't keep the WEC's motion constraint. Moreover, the sea conditions in which the WEC with the MPC can operate as the power production mode was broadened compared with the two conventional control methods. Through the numerical simulations, it can be said that the WEC with the MPC is feasible in the sea condition around Japanese coast.</p>

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