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This paper shall introduce the Taipei City Mass Rapid Transit underground section stations chiller Supervisory Control And Data Acquisition (SCADA) system and customized application software system development. Each station's existing chiller machine microprocessor Human Machine Interface (HMI) utilizes a standard communication protocol convertor and the environmental control system control room Open...
In this paper, an intensive research was made into the OPC technology and the OPC Data access specification, then the application of OPC communications in the supervisory system of marine electrical propulsion was proposed to achieve data exchange between the field control station and operator station. The OPC Server was used to collect the state and key parameters of the control system, and the OPC...
The development of computer network technology and control technology has contributed to the development of remote network control technology. In this paper, a remote control system is researched and implemented based on the VC environment. In this paper, the overall system structure and implemented principle are introduced, data transmission technology and protocol format are studied in the system,...
This paper describes about the design and implementation of the Computer Assisted Railway Control System for Sri Lanka Railways. Currently, the train traffic control system of Sri Lanka Railways has two control units. They are Outstation and Metropolitan control units. In the outstation unit, TDG (Time Distance Graph) is used to visualize the train movement and make decisions. Controllers spend more...
This paper introduces techniques of OPC and multibus and gives an application of them which is based on Wincc(windows control centre) platform. The application has been using to integrate different kind of control systems together. The paper gives an example system, which is based on two layers, the Ethernet layer and Modbus layer. Based on the platform of Ethernet consisting of PC and PLC and C/S...
The paper introduces the remote control teaching system of central air-conditioning. It designs idea to carry through interactive distant education in remote control teaching system. It expatiates the methods, process and thoughts to accomplish distant education by applying modern education technology and interactive teaching methods. By means of these , the distant teaching and training of central...
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