AGV is spelled as Automated Guided Vehicle in English, which translates to automatic guided transport vehicle or unmanned transport vehicle. AGV refers to a transport vehicle equipped with electromagnetic or optical automatic guiding device, which can travel along the specified guiding path and has safety protection and various load shifting functions. Under the command of the control system, the AGV car with automatic load shifting device automatically completes the whole process of picking, placing and horizontal operation of goods.

There are several kinds of AGV, latent, sneaking into the bottom of the material car, and automatically hooking and separating to realize the delivery and recovery of materials; Traction type, through the tail automatic hook and tripping mechanism to achieve the traction of the skip; Loading and unloading, backpack platform, using rollers, belts or other means to achieve material docking; Lifting type, the loading platform can automatically lift materials and run synchronously with the assembly line; Forklift type, using an open forklift to carry materials.