書誌事項
- タイトル別名
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- A flexible quantitative values definition method for stochastic qualitative reasoning
- カクリツテキ テイセイ スイロン ニ オケル テイリョウチ ノ ジュウナン ナ
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For fault detection of a complex system such as an air-conditioning system, we have developed an effective stochastic qualitative reasoning method. In this method, a complex system is expressed by its simple qualitative models. By comparing the states derived from the reasoning with the observations, the “agreement rate”, which is a parameter that shows how the reasoning reflects the real world, can be calculated. The malfunctioning parts of a system can be identified by the highest “agreement rate”.<br>In the stochastic qualitative reasoning, we have used a landmark separating definition for changing quantitative data into qualitative values. According to this definition, a little change in the quantitative data often gives rise to the radical fluctuation in the corresponding qualitative values. To tackle this problem, we propose a flexible definition using fuzzy set. In this flexible definition, the quantitative data near the landmark have double-defined qualitative values, and the grade of the quantitative data belonging to each qualitative value is expressed by the membership function.<br>This flexible definition was applied to a heat source system of a heat source system, and its effectiveness has been confirmed.
収録刊行物
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- 電気学会論文誌C(電子・情報・システム部門誌)
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電気学会論文誌C(電子・情報・システム部門誌) 118 (12), 1764-1771, 1998
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390001204607012992
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- NII論文ID
- 10002815740
- 130006842982
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- NII書誌ID
- AN10065950
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- ISSN
- 13488155
- 03854221
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- NDL書誌ID
- 4612090
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