Green net protection-intelligent hedge trimmer pruning robot In order to solve the problems of automatic pruning of hedges, urban green belts and gardens, get rid of the complicated operating procedures and narrow scope of application of traditional pruners, and expand the versatility of pruners, a fully automatic intelligent hedge pruning robot is designed. A four-degree-of-freedom three-axis, double-frame trimming tool is designed. Based on machine vision technology, Intel depth camera is used to reconstruct the three-dimensional reconstruction model of the hedge. HSV vision conversion is used to realize the automatic identification and positioning of the hedge, the speed and steering of the propeller are controlled by PID algorithm, and the optimal path solution is found according to A * algorithm, so as to realize the automatic trajectory planning of hedge trimming. The automatic intelligent hedge pruning robot has the functions of visual recognition, automatic adjustment of tool position, trajectory planning, and danger alarm. At present, the automatic intelligent hedge trimmer has realized the accurate identification, positioning and accurate measurement of the hedge, and landed on the campus to realize the accurate trimming of the hedge. In order to better provide social personalized customized pruning services, lvjingzhenhu has been used in 23 property management companies such as Sichuan tongfan property management co., ltd. and Sichuan gongxin property management co., ltd. under the continuous optimization of the team, it has been widely praised. Keywords: hedge pruning robot; personalized pruning; recognition and localization; trajectory planning; automatic operation