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[1]褚卫华,谢明伟.燃气发生器供气多级调压控制策略与实现方法[J].火箭推进,2021,47(03):60-66.
　CHU Weihua,XIE Mingwei.Control strategy and implement method of multi-stage pressure regulation for gas supply of gas generator[J].Journal of Rocket Propulsion,2021,47(03):60-66.
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燃气发生器供气多级调压控制策略与实现方法

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V] 卷: 47 期数: 2021年03期 页码: 60-66 栏目: 研究与设计 出版日期: 2021-06-30
Title:
Control strategy and implement method of multi-stage pressure regulation for gas supply of gas generator
文章编号:
1672-9374(2021)03-0060-07
作者:
褚卫华; 谢明伟
中国空气动力研究与发展中心 设备设计及测试技术研究所,四川 绵阳 621000
Author(s):
CHU Weihua; XIE Mingwei
Facility Design and Instrument Institute, China Aerodynamics Research and Development Center,Mianyang 621000, Sichuan China
关键词:
燃气发生器;  环状缝隙调压阀;  控制策略;  多级调压;  控制耦合
Keywords:
gas generator;  annular gap pressure-regulating valve;  control strategy;  multi-stage pressure regulation;  control coupling
分类号:
TH41
文献标志码:
A
摘要:
针对高压气源供气管路双级调压阀调压过程中存在的耦合、压力波动和管路压力难以快速收敛,导致的燃气发生器燃烧脉动压力大、点火延迟和爆燃问题,提出了双级调压阀位置与压力串联闭环调压控制策略,并通过分析给出了一级调压阀位置闭环目标跟踪曲线和二级调压阀最佳调节位置的调试获取方法。双级调压阀位置与压力串联闭环调压控制策略和实现方法在某装置大流量燃气发生器供应调压系统中得到应用验证,调压精度优于1%。结果表明:采用一级位置闭环和二级压力闭环控制策略可以很好地解决串联调压阀调节过程中存在的压力耦合问题,一级调压阀位置闭环目标跟踪曲线和二级调压阀最佳调节位置的调试获取方法简单有效。
Abstract:
The coupling, pressure fluctuation and difficulty in fast convergence of pipeline pressure during the process of pressure regulation with two-stage pressure regulating valve for high-pressure gas supply lead to high combustion pulsation pressure, ignition delay and deflagration of the gas generator. A closed-loop pressure control strategy using the series circuit of position and pressure for two-stage pressure regulating valve is proposed. And through the analysis, the debugging method about the closed-loop target tracking curve of the first-stage pressure regulating valve and the optimal adjusting position of the second-stage pressure regulating valve is given. The control strategy and implementation method have been applied in the large-flow supply pressure regulating system of a gas generator, and the pressure regulation accuracy is better than 1%. The results show that the control strategy of first-stage position closed-loop and second-stage pressure closed-loop can well solve the pressure coupling problem in the adjustment process of the series pressure regulator, and the obtained method of debugging and optimal adjusting position is simple and effective.

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备注/Memo

收稿日期：2020-06-20; 修回日期:2020-09-13
基金项目：国家863计划项目(2014AA8061009)
作者简介：褚卫华(1968—),男,博士,研究员,研究领域为流体控制。

更新日期/Last Update: 1900-01-01