燃气-液压混合驱动的大型起竖系统内弹道设计

推进技术 ›› 2017, Vol. 38 ›› Issue (9): 1956-1962.

燃气-液压混合驱动的大型起竖系统内弹道设计

邵亚军¹,张炜¹,高钦和²,杨正伟¹,田干¹,冯江涛²

火箭军工程大学动力工程系，陕西西安 710025,火箭军工程大学动力工程系，陕西西安 710025,火箭军工程大学发射工程系，陕西西安 710025,火箭军工程大学动力工程系，陕西西安 710025,火箭军工程大学动力工程系，陕西西安 710025,火箭军工程大学发射工程系，陕西西安 710025

发布日期:2021-08-15
作者简介:邵亚军，男，博士生，研究领域为航空宇航推进理论与工程。
基金资助:
国家自然科学基金(51475462)。

Interior Ballistic Design for Large Erecting System Based on Hybrid Drive of Gas and Hydraulics

Department of Power Engineering，Rocket Force University of Engineering，Xi’an 710025，China,Department of Power Engineering，Rocket Force University of Engineering，Xi’an 710025，China,Department of Launch Engineering，Rocket Force University of Engineering，Xi’an 710025，China,Department of Power Engineering，Rocket Force University of Engineering，Xi’an 710025，China,Department of Power Engineering，Rocket Force University of Engineering，Xi’an 710025，China and Department of Launch Engineering，Rocket Force University of Engineering，Xi’an 710025，China

Published:2021-08-15

摘要/Abstract

摘要： 针对传统起竖方式起竖缓慢、装机功率大等问题，提出了一种燃气与液压方式混合驱动的起竖方案，并结合机械结构实际，建立了起竖系统的整体动力学模型；参照起竖过程目标曲线，采用线上匹配参数、线下修正弹道的方案，重点对起竖系统内弹道进行了设计:将系统微分方程嵌入遗传算法程序，龙格库塔方法在线求解，遗传算法进行实时寻优，并对解算结果作了三种方式的修正，通过对比分析，最终确定了一种药柱燃烧8s且在15s时进行动力切换的燃气-液压混合动力起竖方式。数值试验结果表明，该方式可在22.3s内实现负载起竖到位，相比于传统方式，大大缩短了起竖时间，具有理论可行性，可为实现大型装置快速、平稳起竖提供参考。

关键词: 燃气-液压；混合驱动；起竖方式；内弹道；参数匹配

Abstract: A gas-hydraulic hybrid drive erecting method was proposed for the problem of low erecting velocity and too high installed power of traditional erecting process. The integrated dynamic model of erecting system combined with real mechanical structure was established. Referring to the target erecting curve，a method of matching parameter online and correcting the interior ballistic offline was used to optimize the interior ballistic of erecting system. The ordinary differential equation system of erecting process，which could be solved by Runge-Kutta iteration method，was embedded into the generic algorithm (GA) program to optimize the parameters at real time. On the basis of the GA result，three possible erecting methods were analyzed and improved respectively. The optimal method，the propellant burning 8s and the drive changed at 15s，was obtained by comparing three methods with each other. The simulation results demonstrate that the proposed method could finish the erecting process inner 22.3s，which can shorten the erecting time. This study can offer reference for large erecting system to erect quickly.

Key words: Gas-hydraulic；Hybrid drive；Erecting method；Interior ballistic；Parameter matching

邵亚军,张炜,高钦和,杨正伟,田干,冯江涛. 燃气-液压混合驱动的大型起竖系统内弹道设计[J]. 推进技术, 2017, 38(9): 1956-1962.

SHAO Ya-jun¹,ZHANG Wei¹,GAO Qin-he²,YANG Zheng-wei¹,TIAN Gan¹,FENG Jiang-taO². Interior Ballistic Design for Large Erecting System Based on Hybrid Drive of Gas and Hydraulics[J]. Journal of Propulsion Technology, 2017, 38(9): 1956-1962.

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