From a safety perspective, stopping and waiting is still the main obstacle avoidance method.ĪMR (Autonomous Mobile Robot) refers to a mobile robot with strong autonomy, and is currently the only mobile robot defined in the scene of human-machine collaboration. They usually only travel on wide arterial roads. Nowadays, there are more abundant positioning technologies to replace the reflector laser positioning technology.Īlthough unmanned forklifts do not need to lay fixed beacons on the ground, they drive along virtual guide lines and do not have the ability to flexibly avoid obstacles and adapt to the real environment. Then a virtual guide wire is generated at the software level, and the robot can move along the virtual guide wire. Generally, reflectors are installed on the wall with a height of about 2m, and the reflectors with coordinate information are measured by the positioning lidar on the robot to perform high-precision positioning of the robot. The early soft guidance technology is mainly laser positioning technology with reflectors. Moreover, soft-guided AGVs generally have more sensors to ensure safety during operation. Compared with (solid line) guided AGVs, the soft-guided technology has higher accuracy and wider range of positioning technology, which can plan routes at the software level to achieve physical ground Replace the effect of the physical guide wire. Most unmanned forklifts are soft-guided AGVs. (Solid line) Guiding AGV is difficult to handle complex and tedious task instructions and lacks human-machine coordination. It cannot bypass the obstacle and can only wait until the obstacle is cleared. There are many application scenarios in the manufacturing industry, and there are also some limitations.īecause it runs according to the prescribed path, the (solid line) guided AGV usually only runs on the specific “track” that has been demarcated, and only has simple obstacle perception capabilities. (Solid line) The application of guided AGV has a history of nearly 70 years. The transportation method is more Traditionally, similar to the subway, it runs on a single path and stops at a fixed station. It has simple safety protection sensors and various transfer vehicles. Obviously, the (solid line) guided AGV is based on the fixed guide wires (wires, ribbons, magnetic strips, etc.) laid on the ground. The earliest AGV actually refers to (solid line) guided AGV. AGV (Automated Guided Vehicle) is a very historical term.
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