Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2008-04-29
2008-04-29
Jeanglaude, Gertrude A. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C701S003000, C701S013000, C701S066000, C701S221000, C340S945000
Reexamination Certificate
active
10935303
ABSTRACT:
Provided are a method and apparatus for compensating an attitude of an inertial navigation system and a method and apparatus for calculating a position of the inertial navigation system using the same. The method of compensating an attitude of the inertial navigation system includes sensing movement of the system and outputting information for stoppage time periods and a movement time period of the system; receiving angular velocity information of the system during every time period and calculating a first attitude of the system using the angular velocity information; receiving gravity direction information of the system during the stoppage time periods, calculating a second attitude of the system using the gravity direction information, and calculating an attitude error of the system during every time period using the first attitude and the second attitude; and compensating the attitude error for the first attitude.
REFERENCES:
patent: 3695554 (1972-10-01), Phillips
patent: 6820025 (2004-11-01), Bachmann et al.
Bang Won-chul
Chang Wook
Cho Sung-jung
Choi Eun-seok
Kang Kyoung-ho
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