基于卡尔曼滤波的RAIM方案研究

为了使卫星导航接收机自主完好性检测算法与卡尔曼滤波位置解算法结合起来,并且有效降低卫星导航接收机自主完好性检测的漏检率和误警率,进而为用户提供实时、准确、可靠的定位定时服务。对卡尔曼滤波位置解算法和卫星导航接收机自主完好性检测算法进行了研究,提出了能够对多个故障进行检测与识别的基于卡尔曼滤波的卫星导航接收机自主完好性检测方案,方案中引入了故障检测调整系数,有效地降低了漏检率和误警率。对方案进行了仿真分析,仿真结果表明方案是可行、有效。

Research on Receiver Automatic Integrity Monitoring Scheme Based on Kalman Filtering

A scheme for navigation receiver automatic integrity monitoring（RAIM）is designed to integrate navigation RAIM algorithm with Kalman filtering positioning algorithm,and reduce the probability of missed and error detection.Kalman filtering positioning algorithm and navigation RAIM algorithm are studied.The scheme of navigation RAIM capable of multi-fault detection is based on Kalman filtering algorithm.The regulating coefficient of fault monitoring is introduced,which can reduce the probability of missed and error detection.The simulation results prove that the scheme is feasible and effective.