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Error Analysis and Experiments of Attitude Measurement using Laser Gyroscope
Ren, Xin-Ran1,2; Ma, Wen-Li1; Jiang, Ping1; Huang, Jin-Long1; Pan, Nian1; Guo, Shuai1; Luo, Jun1; Li, Xiao1
Source PublicationProceedings of SPIE - YOUNG SCIENTISTS FORUM 2017
Indexed BySCI ; Ei
WOS IDWOS:000451888100067
EI Accession Number20181505007011
AbstractThe precision of photoelectric tracking and measuring equipment on the vehicle and vessel is deteriorated by the platform's movement. Specifically, the platform's movement leads to the deviation or loss of the target, it also causes the jitter of visual axis and then produces image blur. In order to improve the precision of photoelectric equipment, the attitude of photoelectric equipment fixed with the platform must be measured. Currently, laser gyroscope is widely used to measure the attitude of the platform. However, the measurement accuracy of laser gyro is affected by its zero bias, scale factor, installation error and random error. In this paper, these errors were analyzed and compensated based on the laser gyro's error model. The static and dynamic experiments were carried out on a single axis turntable, and the error model was verified by comparing the gyro's output with an encoder with an accuracy of 0.1 arc sec. The accuracy of the gyroscope has increased from 7000 arc sec to 5 arc sec for an hour after error compensation. The method used in this paper is suitable for decreasing the laser gyro errors in inertial measurement applications.
Keywordlaser gyro attitude measurement error analysis photoelectric tracking and measuring equipment
EI KeywordsError analysis ; Fixed platforms ; Gyroscopes ; Photoelectricity ; Ring lasers
Conference NameYoung Scientists ForumYoung Scientists Forum
Conference DateNOV 24-26, 2017NOV 24-26, 2017
Conference PlaceShanghai, PEOPLES R CHINAShanghai, PEOPLES R CHINA
EI Classification Number511.2 Oil Field Equipment ; 701.1 Electricity: Basic Concepts and Phenomena ; 744 Lasers
Citation statistics
Document Type会议论文
Affiliation1.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu; 610209, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China
Recommended Citation
GB/T 7714
Ren, Xin-Ran,Ma, Wen-Li,Jiang, Ping,et al. Error Analysis and Experiments of Attitude Measurement using Laser Gyroscope[C],2018:107101X.
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