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Bridging GPS outages of tightly-coupled GPS/SINS using GMDH neural network
Authors:PANG Chen-peng and LIU Zao-zhen
Affiliation:PANG Chen-peng,LIU Zao-zhen(School of Aerospace Engineering,Beijing Institute of Technology,Beijing 100081,China)
Abstract:A tightly-coupled GPS(global positioning system)/SINS(strap-down inertial navigation system)based on a GMDH(group method of data handling)neural network was presented to solve the problem of degraded accuracy for less than four visible GPS satellites with poor signal quality.Positions and velocities of the satellites were predicted by a GMDH neural network,and the pseudo-ranges and pseudo-range rates received by the GPS receiver were simulated to ensure the regular operation of the GPS/SINS Kalman filter du...
Keywords:tightly-coupled GPS/SINS integrated navigation  GPS outage  GMDH neural network  pseudo-range and pseudo-range rate  
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