書誌事項
- タイトル別名
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- Soft-sensor Development for Flow Measurement in Central Air-Conditioning System
- セントラル クウチョウ ニ オケル リュウリョウ スイテイ ギジュツ ノ カイハツ
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<p>In a central-air-conditioning system, a centralized unit cools or heats water before its circulation throughout a building. By using cooled or heated water, each air conditioner cools or heats each room. To control room temperature, the centralized unit needs to create heating value (heat demand) enough to cool or heat all rooms. To satisfy both indoor comfort and energy saving, the centralized unit needs to create the minimum heat demand that is necessary to satisfy indoor comfort. Heat demand is calculated from temperature difference and water flow rate. However, flow sensors are rarely attached because they are expensive. In this work, we developed a soft-sensor for predicting water flow rate. Although linear regression models have been widely used, they cannot always achieve high estimation accuracy because most of the systems are non-linear and changes in system characteristics make models not suitable. Thus, we adopted locally weighted regression, which is a type of Just-In-Time modeling methods, and achieved high estimation performance.</p>
収録刊行物
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- システム制御情報学会論文誌
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システム制御情報学会論文誌 30 (6), 209-215, 2017
一般社団法人 システム制御情報学会
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詳細情報 詳細情報について
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- CRID
- 1390001205167205376
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- NII論文ID
- 130006078715
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- NII書誌ID
- AN1013280X
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- ISSN
- 2185811X
- 13425668
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- NDL書誌ID
- 028285583
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可