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2001•Chinese Journal of Space ScienceRequires access

SIMULATION OF SINS/GPS INTEGRATED NAVIGATION SYSTEM

Cao Fuxian

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Abstract

The main aim using SINS/GPS integrated system in navigation is to improve long-term accuracy. For remote sensing application, both long-term accuracy and short-term accuracy are important. The SINS/GPS pseudo-range and pseudo-range rate integrated navigation system are studied based on the precise model of pseudorange rate in which position error is concerned in this paper. Simulation results show that the long-term position error of integrated system is within 5 meters. If the middling accuracy inertial instrument is used, the relative change of position error in the time interval of GPS measurement is centimeter level.

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What this paper is about

The main aim using SINS/GPS integrated system in navigation is to improve long-term accuracy. For remote sensing application, both long-term accuracy and short-term accuracy are important. The SINS/GPS pseudo-range and pseudo-range rate integrated navigation system are studied based on the precise model of pseudorange rate in which position error is concerned in this paper. Simulation results show that the long-term position error of integrated system is within 5 meters. If the middling accuracy inertial instrument is used, the relative change of position error in the time interval of GPS measurement is centimeter level.

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Available abstract

The main aim using SINS/GPS integrated system in navigation is to improve long-term accuracy. For remote sensing application, both long-term accuracy and short-term accuracy are important. The SINS/GPS pseudo-range and pseudo-range rate integrated navigation system are studied based on the precise model of pseudorange rate in which position error is concerned in this paper. Simulation results show that the long-term position error of integrated system is within 5 meters. If the middling accuracy inertial instrument is used, the relative change of position error in the time interval of GPS measurement is centimeter level.

Key concepts: Pseudorange, Global Positioning System, Inertial navigation system, Computer science, Position (finance), Term (time), GPS/INS, Remote sensing

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