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Performance Analysis and Architectures for a MEMS-SINS/GPS Ultratight Integration System

Author

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  • Jianxin Ren
  • Junlin Zi
  • Hao Yang
  • Jin Li

Abstract

In order to analyze the performance of strapdown inertial navigation system/global position system (SINS/GPS) ultratight integration system with low-precision microelectromechanical system (MEMS) under challenging environments, a new MEMS-SINS/GPS ultratight integration scheme is designed. The time-space difference carrier phase velocity (TSDCP-v) is used to assist the carrier tracking loop, the measurement model including nonlinear term is established, and the corresponding filtering algorithm is designed. A simulation and verification platform is established to analyze and verify the performance of the MEMS-SINS/GPS ultratight integration system designed in this paper. Compared with the SINS/GPS tight integration navigation system, the MEMS-SINS/GPS ultratight integration system has higher dynamic performance, anti-interference capability, and navigation performance. At the same time, the MEMS-SINS/GPS ultratight integration system improves the carrier tracking performance of SINS-assisted GPS ultratight integration system when using low-precision MEMS and in high dynamics, strong interference environments.

Suggested Citation

  • Jianxin Ren & Junlin Zi & Hao Yang & Jin Li, 2021. "Performance Analysis and Architectures for a MEMS-SINS/GPS Ultratight Integration System," Mathematical Problems in Engineering, Hindawi, vol. 2021, pages 1-13, March.
    • Handle: RePEc:hin:jnlmpe:8892205
    DOI: 10.1155/2021/8892205
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