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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2005> 14(3): 269-272
ZHANG Ting, WANG Bo, SHI Yong-sheng. Observability of Inertial Navigation System[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2005, 14(3): 269-272.
Citation: ZHANG Ting, WANG Bo, SHI Yong-sheng. Observability of Inertial Navigation System[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2005, 14(3): 269-272.
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Observability of Inertial Navigation System

  • School of Information Science and Technology, Beijing Institute of Technology, Beijing 100081, China

  • Received Date:2003-12-19
    Abstract
  • To improve the observability of strapdown inertial navigation system and the effectiveness of Kalman filter in the navigation system, the method of estimating the observability is analyzed based on eigenvalues and eigenvectors which are proved to be availabe, on this basis two-position alignment technigue is applied. The simulation shows that two-position alignment really makes the system's observability change from being incomplete to being complete, and the test method based on eigenvalues and eigenvectors is available to determine the observability of every state vector.
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    • References (5)
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