Application of PLC Fuzzy PID Control System to Tunnel Lighting Saving Energy Control
The mileage of highway tunnel is increasing year by year in China.In the tunnel,the lighting system is arranged to ensure the driving safety and meet the drivers'good visual need.However,the lighting cost occupies a high proportion of tun-nel operating costs.This paper designs lighting saving energy control system to solve the problem.The system is connected to the remote host computer through the field PLC,uses fuzzy PID algorithm to realize the tunnel lighting control,and realizes the energy saving by controlling the variable power dimming of lamps.In this paper,the control structure of the system is de-signed,the method of collecting the actual brightness and the required brightness of the tunnel is given,and the flow of fuzzy PID control algorithm is proposed.The experiment shows that the proposed method can effectively realize the energy saving of tunnel lighting.
tunnel lightingPLCfuzzy PIDenergy saving and lighting
万方数据
维普
