吉林大学学报(工学版) ›› 2004, Vol. ›› Issue (3): 479-482.

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Optimal sampling period selection methed for network control system

HE Jianqiang1,2, ZHANG Huanchun1, JING Yazhi1   

  1. 1. College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016 China;
    2. Dept of Electrical Engineering, Yancheng Institute of Technology, Yancheng 224003, China
  • Received:2003-07-28 Online:2004-07-01

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Abstract: The time delay of control system induced by network was analyzed, and the influence of both sampling period and this time delay to network control systems(NCS) was discussed. Based on control performance optimization and network scheduling condition, considering system control and network scheduling, an optimized model and sampling period selection algorithm were proposed. An example shows that the algorithm satisfies performance requirement for NCS, optimizes network scheduling, and improves network efficiency. Furthermore this proposed method is also the guidance for the sampling period selection in NCS.

Key words: automatic control technology, network control system, sampling period, network scheduling, time delay

CLC Number: 

  • TP273
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