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Title: Network load minimisation design for dual-rate Internet-based control systems
Authors: Li, Y.
Yang, S.H.
Zhang, Z.
Wang, Q.-G. 
Issue Date: Feb-2010
Source: Li, Y., Yang, S.H., Zhang, Z., Wang, Q.-G. (2010-02). Network load minimisation design for dual-rate Internet-based control systems. IET Control Theory and Applications 4 (2) : 197-205. ScholarBank@NUS Repository.
Abstract: This study presents a design method for Internet-based control systems in a dual-rate configuration to achieve load minimisation and dynamic performance specifications. It avoids the complexity of large-scale system design by focusing on individual control systems. In the dual-rate configuration, the plant under control is first stabilised by a local controller with a high sampling rate. The remote proportional integral derivative (PID) controller, which regulates the output according to the desirable reference, adopts a low sampling rate to reduce load on the network. The upper bound of the remote PID controller's sampling time which meets the requirement on control performance is derived and a simple tuning method for the remote PID controller is presented. Simulation and real-time examples are provided for illustration. © 2010 The Institution of Engineering and Technology.
Source Title: IET Control Theory and Applications
ISSN: 17518644
DOI: 10.1049/iet-cta.2008.0572
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