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Adaptive Delay Estimation and Control of Networked Control systems

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2 Author(s)
Li Chunmao ; Sch. of Electr. Eng., Southwest Jiaotong Univ., Sichuan ; Xiao Jian

An adaptive algorithm is introduced in this paper to estimate random communication time delay in networked control systems (NCS). The algorithm updates an adaptive delay estimate using gradient descent method, and identifies plant parameters by a modified RLS. By using this algorithm, future control sequences are generated to compensate for the communication time delay when control signals are delayed or missed. To illustrate the improvement in control performance using the proposed method, simulation results are presented to show that the method is superior to the standard networked predictive control

Published in:

Communications and Information Technologies, 2006. ISCIT '06. International Symposium on

Date of Conference:

Oct. 18 2006-Sept. 20 2006

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