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Precision Positioning of Farm vehicles Using A Plural GPS Receiver

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  021156,  2002 ASAE Annual Meeting . (doi: 10.13031/2013.9154) @2002
Authors:   S. C. Kim, W.P.Park, I.G. Jung, J.H. Sung, C.K.Lee, W.Y.Lee
Keywords:   Farming vehicle navigation, muti GPS, Sensor fusion

This study was carried out for the development of the robust navigator, which is used as a positioning system for precision farming by developing an H/W (Hardware). The H/W is composed of plural GPS receivers and simulating algorithm for the correction and integration of positioning signals. A tracking test was performed in a 50X22m plaza. An RT-2 GPS receiver (NovTel Co., Accuracy = 2cm(rms)) was mounted on a tractor for measuring traveling trace. There were many obstacles which could interfere with delivering radio frequency in the traveling path, but the perceived error deviation of the positioning data processed by the algorithm was less than 1.5m.

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