| Summary: | 碩士 === 國立中興大學 === 農業機械工程學系 === 82 === Pesticide spraying is unavoidable in agriculture. Beneath
vined trellieses of vineyard, it takes to have chemical drops
disperse after spraying. These drops are very dangerous to
the workers. Therefore, it is absolutely necessary to
develop an unmanned vehicle for spraying pesticide. The
guidance of the unmanned vehicle is a keypoint technically to
this automatic device. The purpose of this study is, according
to conventional guidance, to develop a fast way to manipulate
the driving of the vehicle, to ensure the vehicle standing on
the prefixed path that is between two columns of plant stems.
Two infrared sensors are employed to inspect the relative
position between the vehicle and the path that is represented
by a shallow gully. The manipulation of the vehicle is
affected by the distance between sensors to the central
lines,but not affected by the distance between the two
sensors. For actual and convenient use, the optimum
locations where the infared sensors may install is 10 cm from
the central line of driving axle.Such an installation
makes accurate manipulation of the vehicle. The simulation
by computer can be the reference for deciding the position of
sensors in actual use evidentially.
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