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Manual spraying of pesticides and herbicides to crops and weed inhibitorsonto the field are quite laborious work to humans. Manual trimming of selectedunwanted plants or harvested crops from the field is also difficult. Ourproject proposes a multipurpose solar powered, flexible, Remote Controlled,semi-automated spraying robot with 4 Degrees of Freedom (DoF) in spatialmovement, with an additional plant mowing equipment. The robot is designed tospray pesticide/insecticide directly onto individual lesions minimizing wastageor excess chemical spraying, hence making the system cost effective and alsoenvironment friendly. It is designed to cut down undesired plants selectivelyby remotely controlling the start and stop of the mowing system. Alternatively,it also serves the purpose of maintaining lawns and sports field made of grass.The same system can be used for water spraying and mowing the grass to desiredlevels, leading to proper maintenance of the field. The robot is designed tomove at 1.4m/s, with an effective spraying area of 0.98 sq. m. by the nozzleand an effective cutting area of 0.3 sq. m. by the mower, when stationary. Theprototype has a battery back-up of 7.2hrs under minimum load conditions.

Design and fabrication of solar powered remote controlled all terrain sprayer and mower robot