| 高速涡轮泵实时振动监控算法与系统设计 |
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| 引用本文： | 夏鲁瑞,胡茑庆,李俭川.高速涡轮泵实时振动监控算法与系统设计[J].推进技术,2011,32(1):135-139. |
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| 作者姓名： | 夏鲁瑞 胡茑庆 李俭川 |
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| 作者单位： | 1. 国防科学技术大学机电工程与自动化学院,湖南,长沙,410073;装备指挥技术学院航天装备系,北京,101416
2. 国防科学技术大学机电工程与自动化学院,湖南,长沙,410073 |
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| 基金项目： | 国家自然科学基金，湖南省杰出青年科学基金 |
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| 摘 要： | 涡轮泵是液体火箭发动机的故障高发部件之一,研究其实时振动监控算法及系统对提高发动机的可靠性与安全性具有非常重要的意义。在选择涡轮泵监控参数的基础上,深入研究涡轮泵实时故障检测算法,提出用于阈值更新的滑动样本递推方法,实现涡轮泵故障的自适应阈值检测,然后基于数字信号处理器设计涡轮泵新型实时振动监控系统,实现更高的处理速度,并满足小型化需求。
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| 关 键 词： | 涡轮泵 实时振动监控 自适应阈值 数字信号处理器 |
| 收稿时间： | 2009/12/17 0:00:00 |
| 修稿时间： | 2010/4/22 0:00:00 |
Real-time vibration monitoring algorithm and system design for high-speed turbopump |
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| XIA Lu-rui,HU Niao-qing and LI Jian-chuan.Real-time vibration monitoring algorithm and system design for high-speed turbopump[J].Journal of Propulsion Technology,2011,32(1):135-139. |
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| Authors: | XIA Lu-rui HU Niao-qing and LI Jian-chuan |
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| Institution: | XIA Lu-rui1,2,HU Niao-qing1,LI Jian-chuan1(1.Coll.of Mechatronics Engineering and Automation,National Univ.of Defense Technology,Changsha 410073,China,2.Dept.of Space Equipment,Inst.of Equipment Command and Technology,Beijing 101416,China) |
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| Abstract: | Turbopump is one of key components in Liquid Rocket Engine(LRE),and its fault rate is relatively high.The research on real-time vibration monitoring algorithm and system for turbopump is vital to increase the reliability and safety of LRE.Firstly,the monitoring parameters for turbopump were selected and the real-time fault detection algorithm for turbopump was studied.The moving sample recursive method for self-refreshed threshold was presented to realize adaptive threshold detection of turbopump faults.The... |
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| Keywords: | Turbopump Real-time vibration monitoring Self-adaptive threshold Digital signal processor |
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