Abstract:This paper introduces a new faults detection and diagnosis (FDD) subsystem for microsatellite attitude determination systems which use one three-dimensional rate gyro and two vector sensors. This FDD subsystem includes two filters for residual generations, hypothesis tests for fault detections and a reference logic table for fault isolations and fault recovery. This automatic FDD subsystem helps to enhance the automatic ability of attitude determination flight software and to reduce the dependence on ground su… Show more
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