Compensating the transmission delay in networked control systems
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A4 Artikkeli konferenssijulkaisussa
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Date
2007
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en
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14th Nordic Process Control Workshop, Espoo,2007, pp. 153-158
Abstract
Recent interest in networked control systems (NCS) has instigated research in both communication networks and control. Analysis of NCSs has usually been performed from either the network or the control point of view, but not many papers exist where the analysis of both is done in the same context. In this paper an overall analysis of the networked control system is presented. First, the procedure of obtaining the upper bound delay value for packet transmission in the switched Ethernet network is presented. The upper bound delay algorithm applies ideas from network calculus theory. Next, the obtained delay estimate is utilised in delay compensation for improving the Quality of Performance (QoP) of the control systems. For the improvement of the performance a robust control based delay compensation strategy is used.Description
Keywords
networked control systems, delay compensation,real time systems, networked control systems, delay compensation, real time systems
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Citation
Vatanski, N, Georges, J-P, Aubrun, C, Rondeau, E & Jämsä-Jounela, S-L 2007, Compensating the transmission delay in networked control systems . in S-L Jämsä-Jounela (ed.), 14th Nordic Process Control Workshop, Espoo,2007 . Helsinki University of Technology, Espoo, pp. 153-158 .