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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...
This paper presents a set of controllers for TCP/IPv6 networks. These controllers are developed from the traditional proportional integral controller, and can support differentiated quality of service requirement of the end users. Those requirements are labeled in the IPv6 header of the packets, checked by the controllers upon their arrival to the routers, so as to provide guidance to further dropping...
The design of Web-based user interfaces is of primary importance for achieving successful operation of Internet-based monitoring and control systems. Operators need to be able to act promptly on changing situations requiring remote actions to process plants. A formal development process is proposed to determine the minimum amount of information that needs to be presented at interfaces. The first stage...
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