Robust Fault Diagnosis for a Quadrotor with Actuator Fault
About this article
DOI:
https://doi.org/10.14419/ijet.v7i4.39.23709Keywords:
Quadrotorter, adaptive observer, sliding mode observer, fault estimation, fault diagnosis.Abstract
Background/Objectives: Fault diagnosis (FD) is a main role in active fault tolerant control system. It can not only determine the location but also estimate the magnitude of fault.
Methods/Statistical analysis: This article presents an adaptive fault diagnosis approach for a quadrotor with a simulated actuator fault. Firstly, the dynamics of the quadrotor are considered as a state space model. The magnitude of fault is identified through an adaptive law. Designed matrices and parameters are solving by linear matrix inequalities (LMI).
Findings: Unlike previous studies, the present method can determine time-varying actuator faults with disturbances consideration.
Improvements/Applications: Simulation results demonstrate that proposed method can estimate time-varying faults with high accuracy.
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