Modeling Goals and Functions of Micro Gas Turbine System by Multilevel Flow Models
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概要
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Semiotic analysis is often used for describing the inter-relationship of structure, function and behavior of any artifacts as the means for designing various computerized tools for machine diagnosis and operation procedure. In this study, a graphical method called Multilevel Flow Models (MFM) is applied for supporting machine maintenance work of commercially available Micro Gas Turbine System (MGTS), to describe and handle the relationships between goals and functions that exist in various parameters of MGTS including signal, alarm and fault. A new three-step methed including alarm validation, fault condition checkup and fault identification is proposed for fault diagnosis based on MFM. A trial software has been developed by using Visual C++ and Excel for monitoring and diagnosing the MGTS based on the proposed fault diagnosis method. And it was tested by several typical actual fault cases, to show that the proposed method is efficient to monitor the running state of MGTS and to diagnose the real reasou of fault message from the operation software provided by the vendor of Micro Gas Turbine.
- Information and Media Technologies 編集運営会議の論文
著者
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Ishii Hirotake
Graduate School Of Energy Science Kyoto University
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Yang Ming
Graduate School Of Energy Science Kyoto University
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Wu Wei
Mitsubishi Electric Corporation
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ZHOU Yangping
Graduate School of Energy Science, Kyoto University
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Zhou Yangping
Graduate School Of Energy Science Kyoto University
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Yoshikawa Hidekazu
Graduate School Of Energy Science Kyoto University
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Yang Ming
Graduate School of Energy Science, Kyoto University
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