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Design and Application of a Remote Control System Based on NetLinx Architecture

Author: ZhangZheMing
Tutor: WeiHengHua
School: University of Science and Technology of China
Course: Control Science and Engineering
Keywords: Remote Control NetLinx OpenVPN RADIUS MJPG-streamer
CLC: TP273
Type: Master's thesis
Year: 2010
Downloads: 71
Quote: 1
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Abstract


Fieldbus technology is widely used in various fields of industrial production, with the open industrial control systems and the development trends of the network, the industrial Ethernet technology by virtue of it down with the existing bus communication upward with commercial interaction characteristics of the Internet, more and more attention by the market. We build a remote control system applicable to the ControlLogix controller Ethernet / IP module, the system can provide remote access support equipment, only to follow the mainstream of the development of industrial automation, and provides a good college teaching experiment protection. Remote control system consists of field devices, remote network control server and remote client three parts. Field devices based on the NetLinx three ControlLogix controller as the core network system constructed by the experimental system of the distillation column, the experimental system of the boiler and water tank experimental system. Remote network server is a computer with Linux systems, its shelves with virtual private network server, RADIUS server, MySQL database, Apache server MJPG-streamer streaming media server. , Virtual private network server to provide a reliable network link for client access; RADIUS server to authorize the client records and management accounts; live Webcam streaming media server; support of the Apache server management interface, the system can provide query RADIUS server can also provide a platform for streaming webcast services; streaming server to provide an image of the real-time monitoring. Client computers using the Windows XP system, the software installed on a virtual private network client and three Rockwell Software (RSLogix5000, RSLinx, and RSVIew32). When in use, the client need to log in to the server to establish a tunnel to connect the server to communicate with field devices. When the connection is established with the server, the client can use the RSView32 configuration software development host computer program rich system setup and monitoring; RSLogix5000 connection ControlLogix controller can also be, to modify the program, upload the written procedures and download controller on the program; client browser real-time monitoring devices running the screen. The needle of the remote control system has good real-time performance, maneuverability and convenient remote monitoring features. Been tested client freedom control design of the experimental equipment through the PC monitoring interface or video monitor, monitor video images and smooth, clear picture quality. The system is successfully applied to the Rockwell Automation Laboratory, good teaching effect.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system
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