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2003•Journal of Projectiles.Rockets.Missiles and GuidanceRequires access

Study on A New Integrated Navigation System Based on GPS Attitude Determination System

Jin Zhi-hua

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Abstract

In traditional way,GPS's position and velocity are used to be the measurement variables in Kalman filter design for INS/GPS integrated navigation system.Recently the GPS attitude determination system already has high attitude accuracy and without drift error.Based on a new GPS attitude determination system (Ms860),a new GPS/INS system is built in this pa- per.The position,velocity and attitude of GPS are chosen as the measurement variables in INS/GPS Kalman filter design.The error equations of this new integrated navigation system are described.Simulation results show that the evaluation precision and velocity of the navigation parameters were effectively improved in the new integrated navigation system.

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What this paper is about

In traditional way,GPS's position and velocity are used to be the measurement variables in Kalman filter design for INS/GPS integrated navigation system.Recently the GPS attitude determination system already has high attitude accuracy and without drift error.Based on a new GPS attitude determination system (Ms860),a new GPS/INS system is built in this pa- per.The position,velocity and attitude of GPS are chosen as the measurement variables in INS/GPS Kalman filter design.The error equations of this new integrated navigation system are described.Simulation results show that the evaluation precision and velocity of the navigation parameters were effectively improved in the new integrated navigation system.

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Available abstract

In traditional way,GPS's position and velocity are used to be the measurement variables in Kalman filter design for INS/GPS integrated navigation system.Recently the GPS attitude determination system already has high attitude accuracy and without drift error.Based on a new GPS attitude determination system (Ms860),a new GPS/INS system is built in this pa- per.The position,velocity and attitude of GPS are chosen as the measurement variables in INS/GPS Kalman filter design.The error equations of this new integrated navigation system are described.Simulation results show that the evaluation precision and velocity of the navigation parameters were effectively improved in the new integrated navigation system.

Key concepts: Global Positioning System, GPS/INS, Kalman filter, Navigation system, Computer science, Position (finance), GPS disciplined oscillator, Assisted GPS

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