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Simultaneous state and parameter estimation based actuator fault detection and diagnosis for an unmanned helicopter

Chong WuJuntong QiDalei SongXin QiJianda Han — 2015

International Journal of Applied Mathematics and Computer Science

Simultaneous state and parameter estimation based actuator fault detection and diagnosis (FDD) for single-rotor unmanned helicopters (UHs) is investigated in this paper. A literature review of actuator FDD for UHs is given firstly. Based on actuator healthy coefficients (AHCs), which are introduced to represent actuator faults, a combined dynamic model is established with the augmented state containing both the flight state and AHCs. Then the actuator fault detection and diagnosis problem is transformed...

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