Measurement Method of An Ultra-Low-Speed Turntable′s Rate Index

doi:10.12060/j.issn.1000-7202.2013.04.06

Abstract

Abstract: The measurement method of the rate error,rate steady and the rate resolution for an ultra-low-speed turntable(0.000 01 ° / s ~ 0.000 1 ° / s) is introduced.The measurement method using the triangulation method, rate index is measured by measuring the displacement of a line within the predetermined time, the angular rate′s measurement results are calculated by corresponding formula.By actual measurement and measurement uncertainty analysis,the measurement method meets the measurement requirements of the ultra-low-speed turntable′s rate error, steady and rate resolution. This measuring method can not only solve the problem of detection in the actual work, and also helps to improve the development level of the ultralow speed turntable, in particular the speed of 0.000 01 ° / s rate table.

Key words: Ultra low speed turntable, Rate, Triangulation

WANG Ming-yuan；YU Hai-sheng；YANG Lian-chun；ZHANG Xin. Measurement Method of An Ultra-Low-Speed Turntable′s Rate Index[J]. JOURNAL OF ASTRONAUTIC METROLOGY AND MEASUREMENT, 2013, 33(4): 21-23.

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Measurement Method of An Ultra-Low-Speed Turntable′s Rate Index

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