航天推进技术研究院主办
Wei Pengfei,Wu Jianjun,Chen Qizhi.Research of damage-mitigating control for startup process of liquid-propellant rocket engines[J].Journal of Rocket Propulsion,2006,32(01):7-13.
液体火箭发动机起动过程减损控制研究
- Title:
- Research of damage-mitigating control for startup process of liquid-propellant rocket engines
- 关键词:
- 液体推进剂火箭发动机; 起动过程; 减损控制; 控制输入
- 分类号:
- V434
- 文献标志码:
- A
- 摘要:
- 为了控制液体火箭发动机起动过程中故障的发展,以便提高发动机的可靠性与安全性,在其关键部件损伤与系统性能之间折衷考虑,实施减损控制。提出一种以减小部件损伤为目的的发动机开环控制结构,并对其所涉及的相关模型作了简短的分析;通过综合分析减损控制律,可对控制输入序列进行优化选择。仿真研究了某火箭发动机起动过程实施减损控制后的两个实例,结果表明通过减损控制,可以实现在系统性能不明显损失的情况下,较大幅度地减小关键部件损伤。
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