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The algorithms of improved GPC network time-delay compensation based on online time-delay estimation

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Indexed by:期刊论文

Date of Publication:2011-03-01

Journal:Journal of Convergence Information Technology

Included Journals:EI、Scopus

Volume:6

Issue:3

Page Number:46-54

ISSN No.:19759320

Abstract:In the network control system, the random network time-delay can usually deteriorate the control performance and stability of networked control systems. To solve this problem, this paper establishes the AR model for network time-delays and uses online and parameter self-tuning LMS algorithm to predict time-delay. Then adopting improved GPC based on state-space model to compensate the time-delay. Finally, simulation results show that this method has a good effect on time-delays compensation and has a good real-time because of the small amount of on-line calculation.

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