パラメータプロジェクションを有する極値探索制御を用いた太陽光発電システムの出力最適化

木下 弘之; 藤本 陽太郎; 水本 郁朗; 神澤 龍市

doi:10.11511/jacc.53.0.90.0

THE 53RD JAPAN JOINT AUTOMATIC CONTROL CONFERENCE

Session ID : 245

DOI https://doi.org/10.11511/jacc.53.0.90.0

Conference information

Host: The Japan Society of Mechanical Engineers, The Society of Instrument and Control Engineers, The Institute of Systems, Control and Information Engineers, The Society of Chemical Engineers, Japan, The Japan Society for Precision Engineering, The Japan Society for Aeronautical and Space Sciences

Co-host: Technically Cosponsored by 50 Societies and Institutes

Theory and Applications of Adaptive and Learning System 2

Output Optimization of a Solar Photovoltaic System by Extremum Seeking Control with a Parameter Projection

*Hiroyuki Kinoshita, Yotaro Fujimoto, Ikuro Mizumoto, Ryuichi Kohzawa

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Keywords: solar photovoltaic (SPV), extremum seeking control, parameter projection

CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

In this paper, a method for maximization of the power generation efficiency of a solar photovoltaic (SPV) system will be proposed. By moving the solar panel to optimal angle, one can obtain the maximum power of the SPV system. However, it is hard to derive a model of a relation between angle of solar panel and the power generation efficiency in the SPV system. We consider controlling the SPV system by an extremum seeking control (ESC) strategy. In the proposed method, the ESC is modified with a parameter projection in order to maintain the robustness with respect to rapidly varying weather conditions. Simulation and experiment results demonstrate the effectiveness of the proposed method.

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