GNSS World of China

Volume 47 Issue 3
Jul.  2022
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WANG Jianping, PAN Shuguo, GAO Wang, YU Guorong, HE Liujie, WANG Hao. Research on automatic test and evaluation method of GNSS/INS Integrated Navigation Attitude performance based on high-precision three-axis turntable[J]. GNSS World of China, 2022, 47(3): 79-84. doi: 10.12265/j.gnss.2021120901
Citation: WANG Jianping, PAN Shuguo, GAO Wang, YU Guorong, HE Liujie, WANG Hao. Research on automatic test and evaluation method of GNSS/INS Integrated Navigation Attitude performance based on high-precision three-axis turntable[J]. GNSS World of China, 2022, 47(3): 79-84. doi: 10.12265/j.gnss.2021120901

Research on automatic test and evaluation method of GNSS/INS Integrated Navigation Attitude performance based on high-precision three-axis turntable

doi: 10.12265/j.gnss.2021120901
  • Received Date: 2021-12-09
    Available Online: 2022-06-09
  • At present, for the Global Navigation Satellite System /Inertial Navigation System (GNSS/INS) performance test and evaluation the evaluation method is single and automatic data processing is still at a low level. Aiming at the attitude performance evaluation of the system, this paper studies a new dynamic test and evaluation method of GNSS/INS performance, and develops corresponding automatic control test and evaluation software. Based on the high-precision three-axis dynamic benchmark simulation turntable, this method first tests through the task of multi rotation and multi attitude motion scene, collects the three-axis motion attitude data of turntable and the output data of integrated navigation system, then processes the measured data by Thompson singular value elimination method, and finally analyzes the uncertainty combined with the measured data of turntable so as to complete the test and evaluation work. In this paper two groups of tests are carried out on a Micro Electro Mechanical System (MEMS) integrated navigation product. Results show that this method can better suppress the singular value points in the integrated navigation system, and the uncertainty values of the turntable are within 0.2", which verifies the high feasibility and reliability of the test and evaluation method.

     

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