Regular Papers
International Journal of Control, Automation and Systems 2021; 19(7): 2309-2322
Published online May 1, 2021
https://doi.org/10.1007/s12555-020-0169-3
© The International Journal of Control, Automation, and Systems
Finite-time Dynamic Surface Fault-tolerant Control for Hypersonic Vehicle with Mismatched Disturbances
This paper studies the tracking control problem of hypersonic vehicle in the process of external disturbance, parameters uncertainties and actuator faults. Firstly, a non-triangular velocity and altitude nonlinear subsystem with mismatched disturbances and actuator faults are established based on the feedback linearization model. Secondly, adaptive dynamic surface fault-tolerant controllers are designed for velocity and altitude subsystems by combining nonlinear filter, adaptive control and back-stepping method. Finally, the Lyapunov stability theory and numercial simulation are carried out to verify the availability of the proposed control strategy.
Keywords Actuator faults, finite-time control, hypersonic vehicle, mismatched disturbances.
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Regular Papers
International Journal of Control, Automation and Systems 2021; 19(7): 2309-2322
Published online July 1, 2021 https://doi.org/10.1007/s12555-020-0169-3
Copyright © The International Journal of Control, Automation, and Systems.
Finite-time Dynamic Surface Fault-tolerant Control for Hypersonic Vehicle with Mismatched Disturbances
Peng Li, Peng Huang, Chen-Yu He, and Xiao-Qing Liu*
Tsinghua University
Abstract
This paper studies the tracking control problem of hypersonic vehicle in the process of external disturbance, parameters uncertainties and actuator faults. Firstly, a non-triangular velocity and altitude nonlinear subsystem with mismatched disturbances and actuator faults are established based on the feedback linearization model. Secondly, adaptive dynamic surface fault-tolerant controllers are designed for velocity and altitude subsystems by combining nonlinear filter, adaptive control and back-stepping method. Finally, the Lyapunov stability theory and numercial simulation are carried out to verify the availability of the proposed control strategy.
Keywords: Actuator faults, finite-time control, hypersonic vehicle, mismatched disturbances.
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