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Asian Journal of Plant Sciences

Year: 2009 | Volume: 8 | Issue: 6 | Page No.: 451-454
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Authors

E. Seidi

H.R. Ghassemzadeh

A. Salimi

Keywords

Research Article

A Cheap Automatic Tractor's Driver Assistant System

E. Seidi, H.R. Ghassemzadeh and A. Salimi
The purpose of this study is to develop appropriate guiding system based on this method. In the proposed system there is a soil-engaging sensing arm to follow a furrow made in previous pass and firstly by driver. This system is a mechanical guidance system as an aid to manual steering. The driver would make the first pass and headland turnings. During subsequent passes the driver will be free to concentrate on engine speed, Ploughing depth, etc., whilst the self steering device maintains the tractor in correct pass relative to the previous furrow. A sensor attached to the tractor carried a pivoted furrow follower arm which projected between the front wheels of tractor and parallel to the furrow. Through a series of linkages the movement of furrow follower was transferred to an angle sensor. It produces an appropriate signal for controlling the steering wheels. The accuracy achieved was approximately 9 cm.
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