TY - JOUR A2 - Wang, Zi-Peng AU - Li, Jingdong AU - Wang, Zhangang AU - Sun, Liankun AU - Wang, Wanru PY - 2021 DA - 2021/06/09 TI - Modeling and Analysis of Network Control System Based on Hierarchical Coloured Petri Net and Markov Chain SP - 9948855 VL - 2021 AB - This paper investigates a modified modeling of networked control systems (NCSs) with programmable logic controller (PLC). First, the controller-to-actuator and sensor-to-controller network-induced delays are investigated by a modeling tactics based on hierarchical coloured petri net (HCPN) in a structure-conserving way. Comparing with the recent result, the signal transmission delay is set in a random interval instead of a fixed mode; moreover, the data packet drop out and disorder are also taken into consideration. Second, delays captured form CPN tools are analyzed with a strategy based on Baum–Welch algorithm and statistics science. Besides, time delays are modeled as a Markov chain and the transition probabilities is calculated using the consequent from the previous operation. Finally, a comparison verification illustrates the equivalence property between proposed models. SN - 1026-0226 UR - https://doi.org/10.1155/2021/9948855 DO - 10.1155/2021/9948855 JF - Discrete Dynamics in Nature and Society PB - Hindawi KW - ER -