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There are often many mobile robots in the AGV system in industrial production. In the production process, they are always running safely, quickly, and efficiently. They do not interfere with each other and are on their own routes. Orderly operation. The realization of the above effects is inseparable from the traffic controller in the agv control system.
Traffic controller English name Traffic Controller English abbreviated TC, is the agv operating system console. The TC is a part of implementing the scheduling of the AGV control system. Its role is similar to that of the towers in the aviation field and traffic police in daily traffic systems. Responsible for scheduling AGV, play a role in a unified, rational and efficient allocation of agv system resources in accordance with the production conditions of the industrial site.
As the title says, why does the TC play the role of God in the AGV control system?
Because in the AGV control system, the TC needs to communicate with different mobile robots in real time to obtain the state of these mobile robots in real time. In addition to this, the TC will also provide an interface for human-computer interaction. Through the human-computer interaction interface, the TC can also The operator communicates, obtains the operation information on the craft, obtains the operation information of the third party equipment through the IO board card or the network card and so on. After the TC obtains this information, it analyzes and predicts the information in real time and schedules the AGV.
Because TC can obtain the data in the entire system in real time, it is like "God" real-time "looking down" the entire system, so that TC is the role of God in the AGV control system
Then, when you see here you may ask why it is necessary to use the role of God in the control system. Isn't the mobile robot able to complete autonomous operation with its self-recognized "intelligent"?
Mobile robots can realize “intelligent†autonomous operation production with their own variety of sensors and high-performance controllers. However, just like the transportation system in life, each car can be automatically run on the road under the driving of people, and it can also face many complicated road conditions calmly.
However, each individual running a vehicle can only ensure its own safe and stable operation, but it cannot avoid the occurrence of traffic jams because the self-decision of each vehicle is based on its own situation and demand rather than on the entire traffic system. Happening.
Why do TCs with God's perspective make a reasonable and efficient allocation of AGV system resources?
The essential reason is the information . God's point of view means that it can acquire enough information. From the perspective of the automatic control system, obtaining the operating information of the system is the feedback of the system. Based on these feedbacks, real-time calculations can be performed, similar to the PID. The differential link in the algorithm can improve the rapidity of the entire control system and predict the error of the control system, so that the control can be performed in advance so that the entire control system can operate normally according to the instructions.
Having "God's perspective" can really "do whatever you want"
First of all, as a centralized processing center of information, TC can be easily and efficiently implemented. The optimal distribution of road resources can be achieved through the routing system and the routing algorithm can achieve the optimal distribution of routes, thus achieving “no traffic jamsâ€. , improve handling efficiency. In the assembly line on the chassis of the automobile factory, it is possible to achieve a tight, fast-paced operation of the mobile robot so that as many mobile robots as possible can be operated with a sufficiently high tempo in a limited space without occurrence of “traffic jamâ€. Deadlock situation occurs.
Secondly, TC can obtain the operator's technological instruction information through the man-machine interface, can carry on the overall dispatch to the whole AGV operating system, thus can realize the flexible production, meets the production request to the greatest extent. The process operator can conveniently schedule the AGV control system through the TC without having to control the mobile robot one by one.
Furthermore, TCs can interact with third-party equipment, enabling the cooperation of AGV control systems and other equipment to improve the integrity and automation of the production line and achieve flexible production to the greatest extent possible.
Finally, TC can monitor the running status of the entire AGV control system in real time and analyze and predict according to different production information, thus giving alarm information or warning information, so as to ensure production safety and protect the most practical and important enterprises. interest.
TCs and mobile robots complement each other to form an efficient, safe, and flexible AGV operation system.
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