TAILIEUCHUNG - Design of interval type 2 fuzzy sliding mode controller for hypersonic aircraft

order to overcome the uncertain parameters and external disturbances which exist in aerospace, we utilize an interval type-2 fuzzy approach represented by 9-point representation. Simulation results indicate that this method of interval type-2 fuzzy sliding mode controller can provide robust flight control to ensure good tracking performance of hypersonic aircraft. | Journal of Automation and Control Engineering Vol. 4, No. 2, April 2016 Design of Interval Type-2 Fuzzy Sliding Mode Controller for Hypersonic Aircraft Xin Jiao and Ju Jiang Department of Automation of Nanjing University of Aeronautics and Astronautics, Nanjing, China Email: jiaoxin_mengqu@, jiangju@ [6]. It can also be combined with neural networks to solve the parameter uncertainty problem for hypersonic flight vehicles [7]. In this paper, the combination of sliding mode control and the interval type-2 fuzzy control based on the fullstate feedback is proposed to longitudinal control of hypersonic aircraft. Abstract—The interval type-2 fuzzy, combined with sliding mode control, is proposed in this paper to design a novel nonlinear robust controller for a hypersonic aircraft. In this method, sliding mode reaching law is designed to keep the system stable. In order to overcome the uncertain parameters and external disturbances which exist in aerospace, we utilize an interval type-2 fuzzy approach represented by 9-point representation. Simulation results indicate that this method of interval type-2 fuzzy sliding mode controller can provide robust flight control to ensure good tracking performance of hypersonic aircraft. II. Using the longitudinal force and moment equilibrium of hypersonic aircraft, the longitudinal model of hypersonic aircraft [8] can be obtained as follows: Index Terms—sliding mode control, interval type-2 fuzzy, flight control, hypersonic aircraft I. THE MODEL OF HYPERSONIC AIRCRAFT T cos D sin m r2 (1) L T sin ( V 2 r ) cos mV Vr 2 (2) My (3) V INTRODUCTION A hypersonic aircraft, with either rockets or scramjet as the main power plant, is an aircraft which can achieve Mach-5 flight speed, either winged or wingless. It is, however, more difficult to control the flight of hypersonic aircraft, with their features of having rapidly time-varying, strongly nonlinearity, strong-coupling and .

• Cơ khí - Chế tạo máy
• Journal of Automation and Control Engineering
• Interval type 2 fuzzy sliding mode controller
• Fuzzy sliding mode controller for hypersonic aircraft
• Robust flight control
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