Volume 15, Issue 12 (2016)                   Modares Mechanical Engineering 2016, 15(12): 209-220 | Back to browse issues page

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Navabi M, Roozgard P. Nonlinear fault-tolerant flight control for a transport aircraft in presence of actuators fault and failure. Modares Mechanical Engineering. 2016; 15 (12) :209-220
URL: http://journals.modares.ac.ir/article-15-7177-en.html
Abstract:   (13034 Views)
Aircraft actuator damage is one of the main causes of the loss of control during the flight. The Aircraft dynamic are severely affected by the faults and failures and if the corrective command signals are not supplied immediately, damages will lead aircraft to catastrophic consequences such as instability and system performance degradation and deadly plane crashes will be occurred. This paper presents a fault-tolerant control technique based on nonlinear optimal control method using State-Dependent Riccati Equation. Two fault and failure scenarios including loss of elevator effectiveness and aileron hard-over for a large transport aircraft is considered and the performance of State-Dependent Riccati Equation method is evaluated in comparison with its linear counterpart (Linear Quadratic Regulator). For the first time this technique as a fault-tolerant flight control method has used in the internal investigations. Simulation results demonstrate the effectiveness of the proposed nonlinear approach in restoring stability and maintaining the flight path.
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Article Type: Research Article | Subject: Control
Received: 2015/07/27 | Accepted: 2015/10/19 | Published: 2015/11/30

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