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Determining characteristics of the initial fixed-focus are a key technique for the design of laser beam riding guidance missile. Through analyzing the effects of the initial cone information field in guidance and control system of missile,those effects are considered as an approximate lead compensation network. The position and time of guidance spot initial fixed-focus can be designed. This method is applied to determine the characteristics of the initial fixed-focus of laser information field for a laser beam guidance gun-launched missile. The results of design and simulation show that the initial cone information field apparently speeds up convergence on the initial trajectory,and provides a guarantee for the implementation of minimum range index of a missile system. 相似文献
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Trajectory design and simulation in injection phase for hyper-velocity kinetic energy missile 总被引:1,自引:1,他引:0
A movement law of laser beam facula is designed for the injection trajectory of hyper-velocity kinetic energy missile to eliminate the influence of motor exhaust smoke on laser signal transmission.Taking guidance loop of hyper-velocity kinetic energy missile as plant,a closed loop control system with desired step response characteristics is constructed and the movement law of laser beam facula for the missile injection trajectory is designed based on the output signal of the closed loop controller under a step input.Six degree-of-freedom trajectory simulations show that by the guidance of the laser beam facula moving with designed law,the missile can finish transition from the initial trajectory to a stable tracking trajectory without overshoot within the required time. 相似文献
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