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This paper presents a fault diagnosis method for detecting pitch sensor offset fault according to the mechanical structure characteristics of wind turbine. The method establishes corresponding relation between the change of pitch angle and the minute displacement which produced by the force acting on tower of wind turbine. It is based on the change of displacement to diagnosis whether the fault occurs...
For uncertain linear time-delay fault systems, an online fault detection method which using the fault residual signal sequences generated from the system state and actual output is presented. The main contribution of this work is to propose the parity space approach to diagnose and determine the parameters of the filter by transfer functions. The designed method can use the residual signals to detect...
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