Adaptive variable structure control of input delay non-minimum phase hypersonic flight vehicles. (10th February 2017)

• Record Type: Journal Article
• Authors: Huang, Dedong; Hu, Xiaoxiang; Yan, Xunliang
• Is Part Of: International journal of advanced robotic systems. Volume 14:Number 1(2017:Jan./Feb.)
• Publication Date: 2017-02-10
• Subjects: Hypersonic flight vehicles (HFVs) -- non-minimum phase system -- adaptive variable structure control -- input delay; Robotics -- Periodicals; Robotics; Periodicals; 629.892
• DOI: 10.1177/1729881416685614
• Languages: English
• ISSNs: 1729-8806

Abstract

An adaptive variable structure control strategy is proposed for the output tracking control of input delay non-minimum hypersonic flight vehicles. The problem is challenging because of the complex nonlinearity of hypersonic flight vehicles and the existence of input delay. The nonlinear model of hypersonic flight vehicles is partially linearized, and a state tracking model is constructed based on the ideal internal dynamics of hypersonic flight vehicles. A filtered tracking error is introduced to handle the input delay. A variable structure control strategy is proposed for the stability of filtered tracking error system, and an adaptive law is established for the unknown perturbations. Finally, the effectiveness of the proposed control method is shown by the simulation results.