AGV, as a small and precise important equipment in the horizontal transportation system of fully automated terminals, is, to a certain extent, an important limiting factor for the success or failure of fully automated terminals. Automated Guided Vehicle (AGV) is characterized by unmanned driving, which can automatically travel along a predetermined route and load and unload goods back and forth through remote control. The AGV developed and produced by Zhenhua Heavy Industry is powered by all-lithium batteries, and the opportunity charging method is used to replenish the battery, so as to complete the infinite cycle operation of the equipment in a green and environmentally friendly manner, and has the advantages of low energy consumption, low pollution, low noise and low protection cost.
The basic principle of AGV is powered by a lithium battery pack, and the whole car is driven by two inverters with sagging control, one drives the front wheels and the other drives the rear wheels. The two inverters are controlled by master and slave, the master is controlled by speed, and the slave is controlled by torque, and the power balance is achieved by setting a certain droop frequency. The car is equipped with a PLC, which controls the GD800 inverter through Canopen communication.
Program Benefits
1. High reliability, key equipment is selected from international well-known brand long-life equipment; Optical fiber communication is selected between the system units to complete the optoelectronic isolation;
2. According to user requirements, air-cooled/water-cooled structural products can be supplied;
3. Friendly user interface, convenient for users to debug and operate, can be debugged, protected and monitored through the keyboard, PC host computer software
4. Abundant I/O interface, standard I/O can meet the needs of most users
5. A variety of communication methods, standard 485 communication, optional CANopen, Profibus, DeviceNet, Ethernet protocol communication
6. Suitable for a variety of load types, supporting asynchronous motors, synchronous motors, and hybrid loads
7. Standard STO/SS1/SLS/SBC and other more comprehensive high-end safety functions to ensure the high safety of port machinery
8. Professional local support team, preventive protection service to ensure the high availability of the system
4. Application cases
Qingdao Qianwan Automation Terminal: Supply air-cooled/water-cooled drives and on-board chargers for all AGVs in the first and second phases of the project. The average power of AGV is 43.23 natural boxes/hour; Create an AGV with simple quality, cyclic power replenishment, and unlimited cruising mileage; Save more than 100 million yuan in the construction cost of the battery swap station, and reduce the weight of similar equipment by more than 10 tons.
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