导弹液压起竖系统流量压力复合控制策略研究

doi:10.3969/j.issn.1000-1093.2018.02.001

摘要/Abstract

摘要： 导弹起竖系统的负载是时变的且存在超越负载，而采用位置闭环或开环控制方法时控制精度低，且在负载起动、制动过程中易产生较大的液压冲击。针对这一问题，提出负载口独立控制起竖过程的方法，液压缸的进口与出口分别由两个独立调节的节流阀控制，进口节流阀用来控制进油侧的流量，出口节流阀用来控制出油侧的压力，分别设计了基于计算流量反馈的流量控制器和基于压力闭环控制的压力控制器，实现了流量压力复合控制。完成了控制策略的起竖试验验证，通过与位移闭环控制效果对比得出结论：基于负载口独立的流量压力复合控制策略减小了起竖过程的压力冲击，提高了系统控制精度。

关键词: 导弹, 起竖, 液压冲击, 负载口独立, 计算流量反馈, 流量压力复合控制

Abstract: The load of missile erection system is time-varying and an excessive load exists. When the closed or open loop control method is used, the control accuracy is low, and a large hydraulic impact is easily generated in starting-braking process. An independent metering technology is proposed to control the erection process. The inlet and outlet of hydraulic cylinder are controlled by two independently adjustable throttle valves, respectively. The inlet throttle valve is used to control the flow of inlet, and the outlet throttle valve is used to control the pressure of outlet. The flow and pressure controllers are designed based on computational flow feedback and pressure closed loop, respectively. Flow and pressure compound control strategy was achieved. Experiment of the control strategy was accomplished. Through comparison with displacement closed loop, it is shown that the flow and pressure compound control method is used to reduce the hydraulic impact and improve the control precision of erection system. Key

Key words: missile, erection, hydraulicimpact, independentmeteringcontrol, computationalflowfeedback, flowandpressurecompoundcontrolstrategy

中图分类号:

TJ768.2⁺8

冯江涛，高钦和，邵亚军，钱文鑫. 导弹液压起竖系统流量压力复合控制策略研究[J]. 兵工学报, 2018, 39(2): 209-216.

FENG Jiang-tao, GAO Qin-he, SHAO Ya-jun, QIAN Wen-xin. Flow and Pressure Compound Control Strategy for Missile Hydraulic Erection System[J]. Acta Armamentarii, 2018, 39(2): 209-216.

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第39卷
第2期2018 年2月兵工学报ACTA
ARMAMENTARIIVol.39No.2Feb.2018

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