Abstract
This robot is a device performing weeding the intrarow spacing of the onion autonomously. The burden of the farmer is reduced by a robot performing weeding work and prevents the many use of the weed killer. The robot consists mainly of a running gear, a rectangular manipulator, a weeding hand, and a computer. The robot steps over the ridge and runs. A manipulator goes and returns the intrarow spacing of the onion. The weeding hand which is end-effector is form of the hammer knife. The robot detects the crops with a sensor and image processing not to injure the vegetables when a weeding hand weeds a garden. As a result of weeding examination, the weeding hand was able to remove most weeds.