• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
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Volume 17 Issue 2
Apr.  2009
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Article Contents
ZHANGXiang, XIAOJian, LIANJi-san. Characteristic and Control of Time Delay in Field Bus Control System[J]. Journal of Southwest Jiaotong University, 2004, 17(2): 209-212.
Citation: ZHANGXiang, XIAOJian, LIANJi-san. Characteristic and Control of Time Delay in Field Bus Control System[J]. Journal of Southwest Jiaotong University, 2004, 17(2): 209-212.

Characteristic and Control of Time Delay in Field Bus Control System

  • Publish Date: 25 Apr 2004
  • The characteristic of the transmitting delay of forward and feedback channels were analyzed. According to theworkingmodes of actuators, a linear control object is converted into time-driven and event- driven discrete time models. Two control methods for field bus control system were proposed. The first method transforms randomdelay into constant delay that is then compensated; the sencond method processes random delay directly. These two methods compensate each other and can eliminate the deterioration of delay to the control system performances of field buses.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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