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Implementation of a Control Loop Experiment in a Network-Based Control System With LonWorks Technology and IP Networks

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2 Author(s)
Sergio R. M. Canovas ; P2S Tecnologia Ltda, São Paulo, Brazil ; Carlos E. Cugnasca

Considering the increasing popularity of network-based control systems and the huge adoption of IP networks (such as the Internet), this paper studies the influence of network quality of service (QoS) parameters over quality of control parameters. An example of a control loop is implemented using two LonWorks networks (CEA-709.1) interconnected by an emulated IP network, in which important QoS parameters such as delay and delay jitter can be completely controlled. Mathematical definitions are provided according to the literature, and the results of the network-based control loop experiment are presented and discussed.

Published in:

IEEE Transactions on Industrial Electronics  (Volume:57 ,  Issue: 11 )