The Computer Control System Of The Dafangying Reservoir

The computer control system of the Dafangying Reservoir is "composed of four independent subsystem,namely,strobe control system,vedio system,dam safety monitor system and water level measure-report system.The data of these four subsystem is sent to the related workstation in the control center through the optical fiber Industrial Redundant Ethernet ring which is made up of five Industrial Ethernet Swith.This dissertation mainly solves the strobe control system.The whole strobe control system deals with the design of the industrial ethernet architecrure,the selection of all subsystem device,the partition of the VLAN port,the determining of all device IP adress,the measure of strobe opening and the selection of coder,etc.This dissertation stresses to design the industrial ethernet architeture and function in detail,so as to realize the master level's function,such as control, data sampling, data processing and storing, exception alarm,self-diagnosis,double industrial computer used as mutual hot standby,and realize local level's maunal control function.Also,this dissertation researchs and analyses the installation mode of coder which is used to measure the strobe opening,the computing of the strobe opening and selection of the coder.This dissertation is very applicable for the water engeering designer and builder.