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In this paper, the suitability of wireless sensor networks for networked control loop is shown. As the non beacon-enabled mode of IEEE 802.15.4/ZigBee does not ensure the stability for the control loop since non mechanism can prevent the perturbation coming from other applications sharing the same network, the authors investigate the beacon-enabled mode using the Guaranteed Time Slot (GTS) mechanism and show it is suitable. Networked Control Systems (NCS) are getting an increasing interest from both industrials and researchers. However, they suffer from limitations in mobility and flexibility because of the network wires.
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