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특허 상세정보

Autonomous local vertical determination apparatus and methods for a ballistic body

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01C-021/00   
미국특허분류(USC) 73/178R ; 244/031.5 ; 244/171 ; 364/459 ; 364/424.013
출원번호 US-0675734 (1996-07-03)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Lappin & Kusmer LLP
인용정보 피인용 횟수 : 32  인용 특허 : 19
초록

Three rate gyros are mounted to a ballistic body to provide an autonomous navigation system. A roll gyro, a yaw gyro and a pitch gyro are rigidly fixed to the ballistic body. Each gyro is arranged to be responsive to a roll rate about an input axis that is substantially orthogonal to any other gyro. The roll-rate gyro has its input axis aligned parallel to the body spin axis. An on-board processor utilizes recursive Kalman-filtering to determine the roll angle, i.e., the local vertical direction, from the gyro outputs.

대표
청구항

[ Having described the invention, what is claimed as new and secured by Letters Patent is:] [1.] Autonomous navigation apparatus for determining the local vertical direction of a ballistic body of the type having a body spin axis, comprising:(A) a roll gyro, a yaw gyro and a pitch gyro, each gyro being rigidly fixed to the ballistic body and being responsive to a rate about an input axis that is substantially orthogonal to any other gyro, the roll-rate gyro having its input axis aligned parallel to the body spin axis; and(B) an on-board processor having ...

이 특허에 인용된 특허 (19)

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