Research Article

Efficiency Improvement of Kalman Filter for GNSS/INS through One-Step Prediction of Matrix

Table 5

Statistic values (RMS) of position drift error and estimated position standard deviation of standard and simplified GPS/INS algorithms during GPS outages (2nd MEMS dataset and a middle grade dataset).

Horizontal position (m)Position STD

RMSMTi-G (#2)Standard88.05387.553
Simplified87.55083.565
Degradation (%)−0.57
FSASStandard3.5403.854
Simplified3.5403.708
Degradation (%)0