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  • ?自動導引小車 ?Automated Guided Vehicles


    The Automatic Guided Vehicle (AGV) is a battery-powered, unmanned automatic transport vehicle equipped with a non-contact guiding device. The main function of the AGV is that, under the control of the computer, the material is transported to the designated position with a certain parking accuracy through a complex path.




    The development status of AGV:

    In the mid-1950s, Barret designed a driverless truck, the earliest prototype of an automatic guided vehicle AGV. Later, the American Institute of Materials Handling defined it as an automatic guided car AGV, which is a rechargeable driverless car that can be programmed according to the path and positioning, and the walking route can be changed and expanded. According to reports, by 1960, various models and levels of automatic truck systems were installed in Europe, using more than 13,000 AGVs. AGVs began to be used in warehouse automation and factory operations in 1959. Japan also began to introduce AGV technology from this time. Japan is the country that uses the most such vehicles. At the end of the 1980s, there were more than 10,000 automatic trucks of various types, and there were 47 manufacturers, which were widely used in automobile manufacturing, machinery, electronics, steel, chemical industry. , medicine, printing, warehousing, transportation and commerce.

    In the 1970s, AGV entered the production system as a production component and developed rapidly. In 1973, the Swedish VOLVO company adopted a large number of AGVs on the assembly line of the KALMAR car factory for computer-controlled assembly operations, expanding the use of AGVs.





    The role of AGV in AS/RS:

    The console accepts the AGV conveyance task issued by the three-dimensional warehouse management system through the computer network, and collects the status information of each AGV and the unpacking robot in real time through the wireless local area network communication system. According to the demand situation and the current AGV operation situation, the scheduling command is delivered to the selected AGV. The AGV completes a transportation task, stands by at the pallet recycling station, and waits for the next task.

    There are optical communication devices at the outlet of each three-dimensional warehouse and the unpacking robot. For the running AGV, the console will exchange information with the AGV through the wireless local area network communication system to realize the collision avoidance scheduling, working status detection and task scheduling of the AGV. At the three-dimensional warehouse and the unpacking robot, the task and status are exchanged with the AGV through optical communication to complete the transfer.

    The automatic navigation system completes the guidance of the AGV. The charging system consists of a charger and a charging controller to complete online fast and automatic charging. The AGV accepts the task of the console and completes the transportation. The ground transfer equipment can realize the automatic transfer, loading and exchange of empty pallets of AGV.





    The composition of  AGV:

    AGV consists of the following parts: car body, battery, on-board charging device, control system, drive device, steering device, precise positioning device, transfer mechanism, communication unit and guidance system.