实时GPS定位中的自适应故障检测 |
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作者姓名: | C.-W.Jang J.-C.Juang F.-C.Kung |
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作者单位: | C.-W.Jang(Department of Electrical Engineering National Cheng-Kung University, Tainan, Taiwan, 70101);J.-C.Juang(Department of Electrical Engineering National Cheng-Kung University, Tainan, Taiwan, 70101);F.-C.Kung(Department of Electrical Engineering National Cheng-Kung University, Tainan, Taiwan, 70101) |
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摘 要: | 给出了一种GPS卡尔曼滤波的自适应方案,该方案能根据GPS导航中变化的动态来估计协方差.当增强卡尔曼滤波器时,方案可得到更精确的定位修正.此外,也可将此估计方法用于完整监测,以增强故障检测的阈值选择.采用模拟数据验证了提出方法的正确性.
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关 键 词: | GPS 定位 故障检测 残差 X2试验 |
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