DETECTION OF COMPONENT FAILURES FOR SMART STRUCTURE CONTROL SYSTEMS
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概要
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Uncertainties in the dynamics model of a smart structure are often of significance due to model errors caused by parameter identification errors and reduced-order modeling of the system. Design of a model-based FDI (Failure Detection and Isolation) system for smart structures, therefore, needs a careful consideration about robustness with respect to such model uncertainties. This paper proposes a new method of robust fault detection that is insensitive to the disturbances caused by unknown modeling errors while it is highly sensitive to the component failures. Capability of the robust detection algorithm is examined for the sensor failure of a flexible smart beam control system. It is shown by numerical simulations that the proposed method suppresses the disturbances due to model errors and remarkably improves the detection performance.
- 一般社団法人日本機械学会の論文
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