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タイトルReasoning about fault diagnosis for the space station common module thermal control system
著者(英)Vachtsevanos, G.; Hexmoor, H.; Purves, B.
著者所属(英)Georgia Inst. of Tech.
発行日1988-08-01
言語eng
内容記述The proposed common module thermal control system for the Space Station is designed to integrate thermal distribution and thermal control functions in order to transport heat and provide environmental temperature control through the common module. When the thermal system is operating in an off-normal state, due to component faults, an intelligent controller is called upon to diagnose the fault type, identify the fault location and determine the appropriate control action required to isolate the faulty component. A methodology is introduced for fault diagnosis based upon a combination of signal redundancy techniques and fuzzy logic. An expert system utilizes parity space representation and analytic redundancy to derive fault symptoms, the aggregate of which is assessed by a multivalued rule based system. A subscale laboratory model of the thermal control system designed is used as the testbed for the study.
NASA分類SPACECRAFT DESIGN, TESTING AND PERFORMANCE
レポートNO88N29395
権利Copyright, Distribution as joint owner in the copyright
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/233145


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