Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/33644
Title: Design of high-performance networked real-time control systems
Authors: Wen, P
Cao, J 
Li, Y
Issue Date: 2007
Source: IET Control theory and applications, 2007, v. 1, no. 5, p. 1329-1335 How to cite?
Journal: IET Control Theory and Applications 
Abstract: The performance of a networked control system (NCS) is affected directly and indirectly by time delays generated in network communication. This paper addresses these time delays, their effects on system performance and the measures taken in an NCS design. For a time delay that is random but less than one sampling interval T, we model the system as a time-invariant control system with constant time delay T. For a time delay that is random and greater than one sampling interval T, we consider the system as a control system with packet drop and model it as a jump linear control system. Based on the above models, we propose a systematic method to improve the control system quality of performance by choosing a proper sampling interval to reduce data transmission, optimally scheduling to minimise packet loss and optimising controller design in case of packet loss. The simulation results and lab experiments demonstrate that the design method results in high performance in networked real-time control system.
URI: http://hdl.handle.net/10397/33644
ISSN: 1751-8644
DOI: 10.1049/iet-cta:20060424
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