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Development of a High-Efficient Weeding Robot in the Crop Fields

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

Citation:  Paper number  131596766,  2013 Kansas City, Missouri, July 21 - July 24, 2013. (doi: @2013
Authors:   Jun Che, Yong Chen, Lie Tang, Yan Wang, Xiaojun Jin, Jun Chen
Keywords:   mechanical weed control direct herbicide application intra-row inter-row autonomous navigation

Abstract. A novel high-efficient weeding robot was developed, which could perform inter-row and intra-row weed control simultaneously. A machine vision based system was constructed to guide the robot to move along the crop line. The robot was driven by two geared motors. Intra-row weeds were distinguished from the crops by utilizing infrared sensing technology and the plant spacing information. A microcontroller based control system was designed and fabricated to remove intra-row weeds mechanically and inter-row weed by direct herbicide application. Experiments showed that the prototype of the weeding robot was able to walk along the crop line with an accuracy of ±5 cm and realize weeding operations.

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