| 摘要 |
PURPOSE:To automatically perform loading and unloading of a container by detecting coordinates of the central position and a slant angle of the container and the like through comparing reflections of the container and a chassis with previously memorized picture signals and calculating the direction and distance of movement of conveyance section of a container crane correspondingly to the detected value. CONSTITUTION:In case of unloading a container 11 of a ship onto a chassis 12 on land, a TV camera 16 first reflects said chasses 12 and outputs a reflection signal to a picture process section 17, which compares this reflection signal with a previously memorized picture signal and detects corrdinates of the central position and the slant angle of the chassis 12 with respect to a coordinate axis of the camera. Subsequently, the direction and distance of movement of a spreader, which is a crane conveyance section of a container crane, corresponding to the detected coordinates of the central position and the slant angle above-mentioned, is calculated in an operation signal composite section 18. Then through operation control, the spreader is docked with the container 11 of the ship and lifts it. |
