![]() The laser failed to detect small trunks beginning at 1.34 m s-1, indicating that a laser scanner with an update rate >40 Hz may improve the trunk detection accuracy. Preliminary tests in a simulated vineyard showed that the trunk size estimated by the target recognition system decreased with increasing travel speed but improved with a compensation function derived from experimental tests. An existing trunk detection system was modified to improve the accuracy of the target recognition by increasing the speed of the scanning laser from 10 to 40 Hz and adding a revised trunk size compensation function. The sprayer system consists of two arrays, one on each side, with three nozzles connected to solenoids wired to a CAN bus control system. In response to grape growers request for a simplified trailer sprayer, this research developed and tested an automated targeted sprayer system consisting of a computer-controlled scanning laser based trunk detection system and a multi-nozzle sprayer control system installed on a commercially available, low-cost trailer sprayer platform. ![]() Keywords: CAN bus, Cutworm control, Laser range finder, Multi-nozzle, Targeted sprayīarrier application for cutworm control in vineyards requires an efficient target recognition system and a rapid and precise sprayer control system to ensure an adequate coverage on grape trunks and posts that effectively repels climbing cutworms. Published by the American Society of Agricultural and Biological Engineers, St. An Automated Trailer Sprayer System for Targeted Control of Cutworm in Vineyards If you are not an ASABE member or if your employer has not arranged for access to the full-text, Click here for options. Click on “Download PDF” for the PDF version or on the title for the HTML version.
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