New Zealand Journal of Agricultural Research abstracts
Integrating GIS and GPS to realise autonomous navigation of farm
machinery
Meng Xiangjian
Liu Gang*
Key Laboratory of Modern Precision Agriculture Systems Integration
Research
China Agricultural University
PO Box125
Qinghua Donglu 17
Haidian District
Beijing 100083, China
*Author for correspondence: pac@cau.edu.cn;
mengxiangjian1026@163.com
Abstract Path planning is a key technique
to realise
autonomous navigation of farm machines. Based on MapObjects, a
Geographic Information System (GIS) for autonomous navigation was
developed with Visual C++. A path search algorithm used to guide
machines to track the desired path was designed. A Global Positioning
System (GPS) was adopted in this algorithm to determine the current
position of the machine. A path preview algorithm was designed to
estimate the future position for the machine. On the basis of this
system, dynamic tracking and display of the position was realised and
the optimal path was provided through path planning.
Keywords autonomous navigation; GIS;
MapObjects; path
planning; path preview
A07095; Online publication date 31 January 2008; Received and
accepted 10 August 2007
New Zealand Journal of Agricultural Research, 2007, Vol. 50:
807–812
0028–8233/07/5005–0807 © The Royal Society of New Zealand 2007
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