NDLI: Adaptive non-singular fault-tolerant control for hypersonic vehicle with unexpected centroid shift

Content Provider	IET Digital Library
Author	Meng, Yizhen Jiang, Bin Qi, Ruiyun
Abstract	A study on hypersonic vehicle (HSV) with centroid shift and actuator fault is made to investigate the adaptive fault-tolerant control for stability recovery of HSV operating in off-nominal conditions. Based on the modelling and analyzing the influence of centroid shift and actuator fault on HSV, the centroid shift can cause system uncertainty, variation of inertial matrix, eccentric moment and strong coupling between the longitudinal and lateral motions, resulting in the high demand for controller. According to the difference of response time, the attitude system of HSV is divided into slow and fast loop. For handling the effect of centroid shift, actuator fault and external disturbance, an improved sliding mode controller combined with adaptive estimator is designed for the slow-loop. Nonlinear general predictive controller (NGPC) assisted by adaptive radial basis function neural network (RBFNN) is developed for fast-loop. In addition, the nonsingular improvements to fast-loop controller are also made to cope with such the problem caused by the estimation of inertial matrix. The stability and tracking ability of the system are analyzed by the Lyapunov theorem of stability. At last, the simulation results show that the fault-tolerant control algorithm provided in this paper is very effective.
Starting Page	1773
Ending Page	1785
Page Count	13
ISSN	17518644
Volume Number	13
e-ISSN	17518652
Issue Number	Issue 12, Aug (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cta/13/12
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2018.5578
Journal	IET Control Theory & Applications
Publisher Date	2019-06-07
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Actuator Fault Adaptive Control Adaptive Estimation Method Adaptive Fault-tolerant Control Method Adaptive Nonsingular Fault-tolerant Control Adaptive Radial Basis Function Neural Network Aerodynamic Modelling Aerodynamic Parameter Aerodynamics Aerospace Control Aircraft Control Algebra Buckling And Instability Control Derivatives Control Slow-loop Control System Analysis Control System Synthesis Control Technology And Theory Eccentric Moment Fast-loop Controller Fault Tolerant Control Fault-tolerant Control Algorithm Fluid Mechanics HSV Hypersonic Vehicle Improved Sliding Mode Control Lateral Motion Longitudinal Motion Matrix Algebra Mechanical Engineering Mechanical Stability Motion Control Multivariable Control System Neurocontrol Neurocontrollers Nonlinear General Predictive Control Nonsingular Fault-tolerant Controller Off-nominal Flight Condition Optimal Control Predictive Control Radial Basis Function Network Self Adjusting Control System Spatial Variables Control Stability in Control Theory Synthesis Method System Input Matrix Unexpected Centroid Shift Variable Structure System Vehicle Dynamics Vehicle Mechanics
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications

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