Application Research on Industrial Ethernet Based on EtherNet/Ip for the Production of Refined KCL
|Course||Control Theory and Control Engineering|
|Keywords||Ethernet/Ip industrial ethernet process control PID redundany|
As the scale of the industry system continues to expand, the control law becomes more and more complex, industrial control systems are required to develop towards decentralized, networked, intelligent and integration of control and management. Industrial Ethernet which inherited the advantages of Ethernet such as common uniform protocol, low cost and high speed communication, can meet the requirements of real-time and certainty about industrial control, and achieves a seamless integration of information networks and the control field. Industrial Ethernet has been widely used in industrial control.In this paper, EtherNet/Ip Industrial Ethernet communication theory and technical features are studied in depth on the background the refined KCL program in Qinghai. Based on the actual production process, combined with the design principles of industry Ethernet, the process control system of study of refined KCL production is designed in the basis of EtherNet/Ip industry Ethernet. The system consists of the information layer, control layer and device layer and the EtherNet/Ip Ethernet is used to establish the communications network from top to bottom. The ControlLogix control platform is used in control layer, which uses RSLogix for the software development environment. The control program uses a modular structure and the program design process is proposed based on the industrial product process. A system flow and the temperature control system is designed. Human-machine interface is developed by Factory Talk View in the information layer which can achieve the monitoring and management of the process.A redundancy system of software and hardware is designed based on industrial production process, which improves the reliability of the system effectively. Since the conventional PID control strategy for temperature control is ineffective in the actual operation, a single neuron adaptive PID temperature control is proposed. Simulation results show that the algorithm has better control of the temperature, and provides a solution for further optimization of the system.After a long period of actual operation, System has good characteristics such as high control precision, high communication speed, good stability and high reliability. The management and control system integration has been further strengthened and the requirements of industrial production are met.