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    Fault Tolerant Flight Control Using Sliding Modes and Subspace Identification-Based Predictive Control

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    Type
    Article
    Authors
    Siddiqui, Bilal A.
    El-Ferik, Sami
    Abdelkader, Mohamed cc
    KAUST Department
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2016-07-26
    Online Publication Date
    2016-07-26
    Print Publication Date
    2016
    Permanent link to this record
    http://hdl.handle.net/10754/620942
    
    Metadata
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    Abstract
    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 BV
    Journal
    IFAC-PapersOnLine
    DOI
    10.1016/j.ifacol.2016.07.510
    Additional Links
    http://www.sciencedirect.com/science/article/pii/S2405896316307248
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.ifacol.2016.07.510
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program

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