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首页> 外文会议>2009 International Conference on Measuring Technology and Mechatronics Automation(ICMTMA 2009)(2009年检测技术与机械自动化国际会议）论文集 >Research on the Measurement of Thrust Vector for a Liquid-propellant Rocket Motor Based on Piezoelectric Quartz
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Research on the Measurement of Thrust Vector for a Liquid-propellant Rocket Motor Based on Piezoelectric Quartz

机译：基于压电石英的液体火箭发动机推力矢量测量研究

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摘要

In spaceflight, the orbit/attitude control rocket which mainly works in pulse ignition has important effect on spacecraft control. It is necessary to study the performance of thrust vector generated by rocket in order to improve the control precision and extend working life of spacecraft. A piezoelectric measurement system for thrust vector measurement is investigated both theoretically and experimentally. The postulate of thrust vector measurement is proposed and its expression is obtained according to 6-point-orientation principle. Piezoelectric quartz is selected as the sensitive component and key parameters are evaluated by setting up demand capability restriction. Static and dynamic characteristic of the measurement platform is analyzed by means of experiment. Special experiments have been done to validate the system's capability on the designed stand.
机译：在航天中，主要用于脉冲点火的轨道/姿态控制火箭对航天器的控制具有重要作用。为了提高控制精度，延长航天器的工作寿命，有必要研究火箭产生的推力矢量的性能。从理论上和实验上研究了用于推力矢量测量的压电测量系统。提出了推力矢量测量的假设，并根据六点定向原理获得了表达式。选择压电石英作为敏感组件，并通过设置需求能力限制来评估关键参数。通过实验分析了测量平台的静态和动态特性。已经进行了特殊的实验来验证系统在设计的支架上的功能。

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