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Method and apparatus for improving performance of an inertial navigation system having global positioning system corrections
Method and apparatus for improving performance of an inertial navigation system having global positioning system corrections
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机译:用于改进具有全球定位系统校正的惯性导航系统的性能的方法和装置
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摘要
Performance of an inertial navigation system (INS) corrected with GPS position data is enhanced with the addition of a filter that smooths the GPS-INS position difference data and couples the smoothed data to the INS position data. Difference data provided to the filter is edited to eliminate GPS-INS position data that excceeds a predetermined level. Performance is further improved by applying position resets from the INS Kalman filter in a ramp like manner.
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