積雪寒冷地域における集成材膜ドームの膜上積雪処理方法に関する実験的研究 : その3 完全消雪運転のファジィ予測制御に関する解析

概要

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Indoor of a membrane structure, there is natural brightness through the polytetra fluorine ethylene membrane. However, in winter season it is difficult to keep it in a snow cold area. Then snow removal is necessary for it and in order to security the reduction of snow load should be practiced usually. In this paper, we studied about a control method of real time snow melting operation by using the test membrane structure, in Iiyama city of Nagano Pref., which is a special heavy snowfall area in Japan. We obtained the following results. (1) The method of cluster analysis of snowfall data was effective towards the patternization of snowfall. And the characteristics of snowfall in Iiyama were obtained clearly. (2) We analyzed the heat quantities for melting the snow over the top in snowing, and proposed the control method of real time snow melting operation. (3) We applied control by using fuzzy regression analysis as prediction control system, and showed that fuzzy prediction control based on the possibility presumption model of snowfall was useful to real time snow melting operation.
1996-07-30