Title: Two Kalman Filter Structures of GPS/INS Integrated Vehicle Navigation System
Abstract: GPS system can’t locate when it is in turnel,while INS system can’t locate when the accumulated error is too much. GPS/INS integrated vehicle navigation system can solve this problem based on data fusion principle,mainly using Kalman filter to estimate,correct,and mix GPS position data and INS position data. Taking reliability and cost into account,this paper deduce status and measuring equation,filter equation of GPS/INS integrated navigation system by Kalman filter principle,simulate and compare the dispersing filter structure with combining filter structure. The simulation results indicate the latter has higher precision.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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