Optimization of the Positioning of Illuminance Meters in a Method that Uses a Database Using by Genetic Algorithm to Locate Light Source

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  • データベースを用いた光源位置の探知計算のための遺伝的アルゴリズムによる受光部位置の最適化
  • データベース オ モチイタ コウゲン イチ ノ タンチ ケイサン ノ タメ ノ イデンテキ アルゴリズム ニ ヨル ジュコウブ イチ ノ サイテキカ

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Abstract

The ability to locate the position of light sources can be applied to the diagnosis of partial discharges in gas-insulated switchgears (GIS) as an indication of a fault. We propose a method using a database and illuminance meters. In this method, the positions of the illuminance meters affect the accuracy of locating a light source and there are lots of combinations of position of illuminance meters. We describe a method that uses genetic algorithm (GA) to optimize the positions of illuminance meters for locating light sources. A cubic room with six illuminance meters, with each surface having a sensor, is assumed for the optimizing calculation. The accuracy improves from 23.3%, for the configuration with each sensor centered in the surface, to 41.0% for the optimized one. In expanding the detected space to a neighborhood space, . the accuracy reaches 92.9%. We also consider optimization of rooms with one or two shading surfaces.

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