Automatic correction of key error sources in an inertial navigat

Details Automatic correction of key error sources in an inertial navigat Automatic correction of key error sources in an inertial navigat

1996-11-02

2000-02-29

Chin, Gary

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

701221, 73178R, G06F16500

Patent

active

060320990

ABSTRACT:
Processes and algorithms to determine and correct key error sources in an inertial navigator. These key error sources are azimuth misalignment error and all gyro drift rate errors ("North", "East" and "Down"). Thus the invention provides improved directional accuracy and improved navigation performance. The processes and algorithms can be implemented within the system computer to determine and correct for the system error sources thus determined automatically.

REFERENCES:
patent: 4303978 (1981-12-01), Shaw et al.
patent: 4675820 (1987-06-01), Smith et al.
patent: 5194872 (1993-03-01), Musoff et al.
patent: 5410487 (1995-04-01), Okayama et al.
patent: 5574650 (1996-11-01), Diesel
patent: 5789671 (1998-08-01), Fernandez
patent: 5809457 (1998-09-01), Yee et al.

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