Adaptive Sliding Mode BTT Autopilot for Cruise Missiles with Variable-Swept Wings
Wei-Ming Li, Rui-Sheng Sun, Hong-Yang Bai, Peng-Yun Liu
(School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)
Abstract:
In this paper, an adaptive sliding mode method was proposed for BTT autopilot of cruise missiles with variable-swept wings. To realize the whole state feedback, the roll angle, normal overloads and angular rates were considered as state variables of the autopilot, and a parametric sliding mode controller was designed via feedback linearization. A novel parametric adaptation law was put forward to estimate the nonlinear time-varying parameter perturbations in real time based on Lyapunov stability theory. A sliding mode boundary layer theory was adopted to smooth the discontinuity of control variables and eliminate the control chattering. The simulation was presented for the roll angle and overload commands tracking in different configuration schemes. The results indicated that the controlled system has robust dynamic tracking performance in condition of the large-scale aerodynamic parametric variety resulted from variable-swept wings.
Key words: BTT autopilot adaptive sliding mode control variable-sweep wing
DOI:10.11916/j.issn.1005-9113.2014.02.006
Clc Number:V19
Fund:
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Adaptive Sliding Mode BTT Autopilot for Cruise Missiles with Variable-Swept Wings
本站小编 哈尔滨工业大学/2019-10-23
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