Working Paper Article Version 1 This version is not peer-reviewed

Adaptive Anti-saturation Fault-tolerant Control for Integrated Missile Guidance and Control

Version 1 : Received: 4 May 2020 / Approved: 5 May 2020 / Online: 5 May 2020 (11:07:03 CEST)

How to cite: Li, P.; Qi Liu, Q.; He, C.; Liu, X. Adaptive Anti-saturation Fault-tolerant Control for Integrated Missile Guidance and Control. Preprints 2020, 2020050073 Li, P.; Qi Liu, Q.; He, C.; Liu, X. Adaptive Anti-saturation Fault-tolerant Control for Integrated Missile Guidance and Control. Preprints 2020, 2020050073

Abstract

This paper studies the integrated design problems of control and guidance with parameter uncertainties, target disturbances, input constraints and actuator faults. Firstly, based on the integrated design idea of the missile guidance and control, the auxiliary variable is used to establish and transform it into a cascade system with input constraints, actuator faults and disturbances of unknown upper bounds. Secondly, the adaptive anti-saturation dynamic surface fault-tolerant controller is designed by using the back-stepping method, adaptive control, auxiliary system and tracking differentiator. By introducing the tracking differentiator and tangent barrier Lyapunov function, the computational explosion problem in the traditional back-stepping method is avoided and the angle of attack can be guaranteed in prospective range, respectively. Finally, the theoretical proof of the designed control strategy is given to ensure that the states of the closed-loop system are bounded. At the same time, the digital simulation of the maneuvering target of different maneuvering forms is carried out, which further illustrate the effectiveness and robustness of the designed control schemes.

Subject Areas

missile guidance and control; dynamic surface control; state constraints; input saturation; actuator faults

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