Optimization design and analysis of a rapid erection device based on gas-squeezer type power source

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Journal of Vibration and Shock ›› 2020, Vol. 39 ›› Issue (24) : 83-90.

REN Yuliang1，GAO Qinhe1，TIAN Hongning2

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Abstract

A rapid erection scheme of a vehicle borne missile launcher was proposed.The scheme was based on gas-squeezer in order to reduce both the erection time and the volume of the power source.An integrated model describing the whole progress of erection was established.Two erection schemes, with constant and variable burning area respectively, were compared and analyzed.A gas-liquid subsection control strategy based on optimization of grain burning area and cam profile was designed.In the first erection stage, the gas generator with variable burning area was applied, which helps to start up quickly and then keep a uniform speed.In the second erection stage, a speed control valve was used to control the process of deceleration, braking, and smooth parking.The spool of the speed control valve was controlled by a cam.Simulation results show that the erection progress can be achieved in 16 s, and the final parking process is smooth.Comparing with the traditional scheme based on hydraulic pump, the erection time is shortened significantly by inducing gas-squeezer.The scheme can provide an important design reference for the upgrading of the erection equipment.

Key words

missile / gas-squeezer / rapid erection / variable burning area / subsection control strategy

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REN Yuliang1，GAO Qinhe1，TIAN Hongning2. Optimization design and analysis of a rapid erection device based on gas-squeezer type power source[J]. Journal of Vibration and Shock, 2020, 39(24): 83-90

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