Reaction-jet control missile autopilot design based on human-imitating intelligent control
Xitong Fangzhen Xuebao / Journal of System Simulation(2008)
Abstract
Based on the human-imitating control, which imitated human thinking way and general manner of dealing with control problem depending on the physical model of the object and corresponding human knowledge, a control logic and a nonlinear attitude control law for reaction-jet control missile were proposed. The control logic determined the sequence between aerodynamic and reaction-jet multi-controller. Then, the qualitative control law was designed by human imitating. The problem of missiles’ attitude control could be decomposed into several primitive problems by generalized reduction, which could be easily resolved. Then, according to the importance of the primitive problems and the coupling relationship among them, the structure of a nonlinear control law could be given by analyzing the flight dynamic model of the missile. Finally, the quantitative control law was optimized using the genetic algorithm. The present control is suitable for the attitude control for missiles which are characteristic of high-maneuvering, system nonlinearities and strong coupling. The control logic and control law can acquire large maneuver, keeping the missile stabile. The simulation result shows that the compound control method brings higher precision.
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Key words
Compound control,General reduction,Genetic algorithm, reaction-jet control,Human-imitating intelligent control
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