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다중 GPS 수신기에 의한 농업용 차량의 정밀 위치 계측(I) - 오차추정 시뮬레이션 및 고정위치계측 -
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  • 다중 GPS 수신기에 의한 농업용 차량의 정밀 위치 계측(I) - 오차추정 시뮬레이션 및 고정위치계측 -
저자명
김상철,조성인,이승기,이운용,홍영기,김국환,조희제,강지원,Kim. Sang-Cheol,Cho. Sung-In,Lee. Seung-Gi,Lee. W.Y.,Hong. Young-Gi,Kim. Gook-Hwan,Cho. Hee-Je,G
간행물명
바이오시스템공학
권/호정보
2011년|36권 2호|pp.116-121 (6 pages)
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한국농업기계학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

This study was conducted to develop a robust navigator which could be in positioning for precision farming through developing a plural GPS receiver with 4 sets of GPS antenna. In order to improve positioning accuracy by integrating GPS signals received simultaneously, the algorithm for processing plural GPS signal effectively was designed. Performance of the algorithm was tested using a simulation program and a fixed point on WGS 84 coordinates. Results of this study are aummarized as followings. 1. 4 sets of lower grade GPS receiver and signals were integrated by kalman filter algorithm and geometric algorithm to increase positioning accuracy of the data. 2. Prototype was composed of 4 sets of GPS receiver and INS components. All Star which manufactured by CMC, gyro compass made by KVH, ground speed sensor and integration S/W based on RTOS(Real Time Operating System)were used. 3. Integration algorithm was simulated by developed program which could generate random position error less then 10 m and tested with the prototype at a fixed position. 4. When navigation data was integrated by geometrical correction and kalman filter algorithm, estimated positioning erros were less then 0.6 m and 1.0 m respectively in simulation and fixed position tests.