Study on error sources of angle measurement with dynamic ring laser goniometers

XIE Qi-hua; LI Wei-sheng; HUANG Yun

doi:10.3969/j.issn.1001-3806.2012.02.007

With decades of development,a dynamic ring laser goniometer(DLG) becomes a kind of dynamic angle measuring system with high precision and sensitivity.The structure and principle of DLG system were introduced.In order to increase the accuracy of angle measurement and make the best use of the ring laser gyro,the major errors were analyzed qualitatively and calculated quantificationally,and the total angle measure uncertainty of the system was about 0.3''.The result shows that the quantization error will influence the accuracy of angle measurement significantly,and it's instructive to find the methods to increase the angle measuring accuracy further.

Study on error sources of angle measurement with dynamic ring laser goniometers

Corresponding author: HUANG Yun, Hyun101@sina.com

1. College of Opticelectronic Science and Engineering, National University of Defense Technology, Changsha 410073, China;

2. Department of Information Engineering, Jiujiang Vocational and Technical College, Jiujiang 332007, China

Received Date: 2011-06-09

Accepted Date: 2011-09-01

Available Online: 2012-03-25

Abstract: With decades of development,a dynamic ring laser goniometer(DLG) becomes a kind of dynamic angle measuring system with high precision and sensitivity.The structure and principle of DLG system were introduced.In order to increase the accuracy of angle measurement and make the best use of the ring laser gyro,the major errors were analyzed qualitatively and calculated quantificationally,and the total angle measure uncertainty of the system was about 0.3''.The result shows that the quantization error will influence the accuracy of angle measurement significantly,and it's instructive to find the methods to increase the angle measuring accuracy further.

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Reference (20)

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Study on error sources of angle measurement with dynamic ring laser goniometers

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