Model-free Hybrid Fault Detection and Isolation Method for Inertial Measurement Sensors

摘要

Non model complex fault diagnosis method of the disclosed inertial sensor comprising the steps of calculating a measurement signal for a plurality of the inertia sensor as parity type (parity equation) based on hardware redundancy diagnose the failure of the inertial sensor, the inertial sensor and a have the respective signal comprises performing a discrete wavelet transform (discrete wavelet transform), and separation failure that perform the serial monitoring (in-line monitoring) for its conversion value, a failure occurs in any inertial sensor . ; According to the present invention described above, because they do not use a mathematical model of the aircraft, it can be easily applied to a complex fault diagnosis and isolation of the low-end of the aircraft, such as unmanned aircraft systems. ; Fault diagnosis and isolation, the inertial sensor, the discrete wavelet transform, an extra administration.