宇航计测技术
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周彩红1;云鹏1;梁雅军1;刘柯1
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作者简介:
ZHOU Cai-hong1;YUN Peng1;LIANG Ya-jun1;LIU Ke1
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摘要: 振动台在高频振动过程中难免会产生空间的小角度运动,这种角运动在振动试验中是非预期的,应尽量减小。利用激光干涉原理,运用双频激光干涉仪及角度测量组件测量了振动台振动频率达2 000Hz时方位、俯仰、横滚三个方向的实时角度、角速率。通过对测量数据的分析可知环境的振动对测量准确度影响较大,为进一步完善该测试方法指明了研究方向。
关键词: 周彩红, 云鹏, 梁雅军, 刘柯
Abstract: When vibration table vibrates in high frequency, dynamic angle error is induced. This dynamic angle is not anticipated, it is considered a kind of error of the vibration. A dual-frequency laser interferometer is used to measure the dynamic yaw angle、 pitch angle and roll angle respectively when vibration table vibrates in 2 000Hz. In this dynamic angle measurement method laser interference theory is used. We find the vibration of surroundings influences the result greatly by analyzing the test result. A study direction is found to prefect the dynamic angle measurement method.
Key words: Vibration table, Dynamic angle, Laser interference
周彩红;云鹏;梁雅军;刘柯. 振动台动态角的测试方法研究[J]. 宇航计测技术, doi: 10.12060/j.issn.1000-7202.2012.02.02.
ZHOU Cai-hong;YUN Peng;LIANG Ya-jun;LIU Ke. Research on Dynamic Angle Measurement Method of Vibration Table[J]. JOURNAL OF ASTRONAUTIC METROLOGY AND MEASUREMENT, doi: 10.12060/j.issn.1000-7202.2012.02.02.
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http://www.yhjcjs.com.cn/CN/Y2012/V32/I2/5