International Journal of Precision Engineering and Manufacturing

Korean Society for Precision Engineering (한국정밀공학회)
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Implementation of Networked Control System using a Profibus-DP Network

  • Lee, Kyung-Chang (School of Mechanical Engineering, Pusan National University) ;
  • Lee, Suk (School of Mechanical Engineering and Research Institute of Mechanical Technology, Pusan National University)
  • Published : 2002.07.01
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Abstract

As numerous sensors and actuators are used in many automated systems, various industrial networks are adopted for real-time distributed control. In order to take advantages of the networking, however, the network implementation should be carefully designed to satisfy real-time requirements considering network induced delays. This paper presents an implementation scheme of a networked control system via Profibus-DP network fur real-time distributed control. More specifically, the effect of the network induced delay on the control performance is evaluated on a Profibus-DP testbed. Also, two conventional PID gain tuning methods are slightly modified fur fouling controllers fur the networked control system. With appropriate choices for gains, it is shown that the networked control system can perform almost as well as the traditional control system.

Keywords

References

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