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- W2364589485 abstract "For improving the positioning and attitude precision of vehicle Strapdown Inertial Navigation System(SINS),the paper analyzes the static gyrocompass alignment principles(SINS),and then,with the assistance of odometer velocity output,applies it to dynamic conditions as vehicle is moving.Meanwhile,through the velocity smoothing by dynamic gyrocompass alignment control algorithms,the vehicle's parking automatic identification with zero-velocity updating is realized.As soon as vehicle stops,the system corrects the attitude information with the dynamic alignment result,sets velocity zero,and corrects position error by the velocity error curve fitting between two latest stop time.At last,three vehicle experiments about 4 h(160 km) are implemented according to this method.The result shows that the positioning precision is 44.2 m(CEP) with ZVU(1 s) every 10 min,and the attitude precision is better than 0.5'." @default.
- W2364589485 created "2016-06-24" @default.
- W2364589485 creator A5053183670 @default.
- W2364589485 date "2010-01-01" @default.
- W2364589485 modified "2023-09-26" @default.
- W2364589485 title "Strap-down INS automatic zero velocity update base on level gyrocompass" @default.
- W2364589485 hasPublicationYear "2010" @default.
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