Analysis of Hydraulic Ejection Ramming and Parameter Optimization

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Journal of Vibration and Shock ›› 2015, Vol. 34 ›› Issue (15) : 98-102.

JIANG Qing-shan, QIAN Lin-fang, ZOU Quan

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Abstract

To improve the consistency of the bayonet-chamber velocity, mechanical analysis of projectile was carried out at different period during ejection. Formulation of ejection rammer was established, the change law of ramming force and the motion law of projectile were obtained. Dynamic simulation model was constructed based on MSC.ADAMS, ramming simulations were carried out at series of fire angle and correctness of which was verified by bench experiments. An optimization method was proposed to improve the projectile moving ride-comfort and reduce the velocity attenuation. Multi-Island Genetic Algorithm (Multi-Island-GA) was employed to optimize initial pose parameters of rammer, simulation results confirmed the feasibility of the method.

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applied mechanics / ejection ramming / bayonet-chamber / parameter optimization

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JIANG Qing-shan, QIAN Lin-fang, ZOU Quan. Analysis of Hydraulic Ejection Ramming and Parameter Optimization[J]. Journal of Vibration and Shock, 2015, 34(15): 98-102

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