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특허 상세정보

On-board three-axes attitude determination and control system

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64G-001/26    B64G-001/28    B64G-001/40   
미국특허분류(USC) 244/164 ; 244/165 ; 244/171 ; 244/176
출원번호 US-0993948 (1992-12-18)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 75  인용 특허 : 0
초록

A method and system (12) for controlling the attitude of a spacecraft during its transfer orbit using an on-board, stand-alone, three-axes attitude determination and control system. The system utilizes a set of on-board sensors to define two independent angular measurements, which will initially identify the z-axis orientation of the spacecraft from an arbitrary attitude after launch vehicle separation. A set of three-axis gyros are then bias calibrated in order to measure the transverse rates of the spacecraft. The three-axis attitude of the spacecraft ...

대표
청구항

An on-board method of autonomously determining and controlling the attitude of a spacecraft after separation from a launch vehicle, comprising the steps of: determining the spin axis orientation of said spacecraft relative to a first planetary reference; determining the three-axis attitude of said spacecraft once a second planetary reference is in view; bias calibrating at least one of a set of three-axis gyros; repeatedly integrating the outputs from said gyros in a state estimator model of said spacecraft for continously updating an estimate of the thr...

이 특허를 인용한 특허 피인용횟수: 75

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