communication-basedtraincontrol(CBTC)systems use wireless local area networks(WLANs)for trainground *** delays and packet drops may cause unnecessary tractions and brakes of trains,degradation of riding comfortabili...
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communication-basedtraincontrol(CBTC)systems use wireless local area networks(WLANs)for trainground *** delays and packet drops may cause unnecessary tractions and brakes of trains,degradation of riding comfortability,rising of energy consumption and loss of the line’s *** this paper,We model the system to control a group of trains in CBTC as a networked control system(NCS)with transmission delays and packet *** study the delays and packet drops in CBTC,analyze their effects on train’s control,and propose a method to improve the performance of *** simulation results are *** show that our proposed method has a strong tolerance for transmission delays and packet drops,and outperforms the currently adopted scheme in different channel conditions.
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