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Field information fast collection and real-time processing system based on palm-sized PC

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2 Author(s)
Hui Fang ; Coll. of Biosystems Eng. & Food Sci., Zhejiang Univ., Hangzhou, China ; Yong He

To quickly and effectively acquire and analyze field information, a palm-sized personal computer (PPC) based field information fast collection and real-time processing system was designed. Compared with desktop computer, the operation system, windows CE, this one has brought great difference in system development and design due to its hardware. So, the difference of key technologies of the system was analysed and debated. These key technologies includes geographic information system (GIS), spatial accessing methods, database technology on windows CE, sampling control plan, and etc. Considering the particularity of farms, an object-oriented farm model was proposed to describe farm objects properly, edit sampling plan conveniently and do sampling control easily. As a kind of real- time system, the system can be used with global positioning system (GPS) and kinds of sensors to acquire and analyse field information instantly. The precision test of two GPS receivers (Agl32 and Map330) was finished by the system. The result of experiment validated higher accuracy and stability of Agl32. So Agl32 is more suitable to be used in precision farming. The experiment process and result also indicated strong practicality of the system.

Published in:

Intelligent Control and Automation, 2004. WCICA 2004. Fifth World Congress on  (Volume:4 )

Date of Conference:

15-19 June 2004