Automatic Monitoring and Control System of Ventilator Based on Intelligent PID

We established a the hardware platform of distributed monitoring and control system based on PLC and configuration technology, developed the monitoring and control program of subordinate computer PLC and monitoring program of principal computer based on WinCC configuration environment. Aimming at characteristics of the mine ventilator system such as great inertia, long timedelay and nonlinearity, the PID control scheme based on BP neural network was proposed, the neural networ k PID adaptive controller was designed. The simulation results showed that the method can improve the adaptability and robustness of the control system. This study can enhance safe running of mine ventilator and accuracy of the control, It can also ensure safe and effective production in coal mine.