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階層的最適化手法の援用による エネルギー供給システムのロバスト最適設計

Robust Optimal Design of Energy Supply Systems With Aid of a Hierarchical Optimization Method

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  • A robust optimal design method of energy supply systems under uncertain energy demands has been proposed using a mixed- integer linear model for constituent equipment. A robust optimal design problem has been formulated as a three-level min-max- min optimization one by expressing uncertain energy demands by intervals, evaluating the robustness in a performance criterion based on the minimax regret criterion, and considering hierarchical relationships among design variables, uncertain energy demands, and operation variables. Since this problem must be solved by a special algorithm and is too difficult to solve even using a commercial solver, a hierarchical optimization approach has been applied to solve the problem but its application is limited only to small scale toy problems. In this paper, some strategies are introduced into the hierarchical optimization approach to enhance the computation efficiency for the purpose of applying the approach to large scale practical problems. In a case study, the proposed approach is applied to the robust optimal design of a cogeneration system with a complex configuration, and the validity and effectiveness of the method are ascertained.

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Author:Hiroki Kamada, Ryohei Yokoyama, Yuji Shinano, Tetsuya Wakui
Document Type:Article
Parent Title (Japanese):エネルギー・資源学会第36回エネルギーシステム・経済・環境コンファレンス講演論文集
First Page:730
Last Page:735
Year of first publication:2020
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