- LIU Chun
LIU Chun
Department of Surveying and Geo informatics,Tongji University,Shanghai 200092,China; Key Laboratory of Advanced Engineering Survey of SBSM,Shanghai 200092,China
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ZHOU Fagen
Department of Surveying and Geo informatics,Tongji University,Shanghai 200092,China
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A study was made of the navigation calculation model in local frame and detailed steps for strapdown inertial navigation system(SINS).Then the error characteristics of SINS was analyzed through navigation calculation with the measured data.Finally,GPS/SINS loose coupling was implemented by using Kalman filter and Kalman smooth.The results show that,coordinate error of SINS grows as parabola function,in a short time it can provide accurate navigation parameters,with coordinate error less than 2 meters within one minute.SINS/GPS integrated navigation system,which combines advantages of the two systems,gains more reliability and integrity respect to each subsystem.
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LIU Chun, ZHOU Fagen. Navigation Calculation Model for Airborne SINS and Its Accuracy Analysis[J].同济大学学报(自然科学版),2011,39(12):1865~1870
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History
- Received:October 10,2010
- Revised:November 01,2011
- Adopted:April 07,2011
- Online: January 09,2012
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