Fault Tolerant Flight Control Using Sliding Modes and Subspace Identification-Based Predictive Control
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ArticleDate
2016-07-26Online Publication Date
2016-07-26Print Publication Date
2016Permanent link to this record
http://hdl.handle.net/10754/620942
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In this work, a cascade structure of a time-scale separated integral sliding mode and model predictive control is proposed as a viable alternative for fault-tolerant control. A multi-variable sliding mode control law is designed as the inner loop of the flight control system. Subspace identification is carried out on the aircraft in closed loop. The identified plant is then used for model predictive controllers in the outer loop. The overall control law demonstrates improved robustness to measurement noise, modeling uncertainties, multiple faults and severe wind turbulence and gusts. In addition, the flight control system employs filters and dead-zone nonlinear elements to reduce chattering and improve handling quality. Simulation results demonstrate the efficiency of the proposed controller using conventional fighter aircraft without control redundancy.Citation
Siddiqui BA, El-Ferik S, Abdelkader M (2016) Fault Tolerant Flight Control Using Sliding Modes and Subspace Identification-Based Predictive Control. IFAC-PapersOnLine 49: 124–129. Available: http://dx.doi.org/10.1016/j.ifacol.2016.07.510.Publisher
Elsevier BVJournal
IFAC-PapersOnLineAdditional Links
http://www.sciencedirect.com/science/article/pii/S2405896316307248ae974a485f413a2113503eed53cd6c53
10.1016/j.ifacol.2016.07.510