Title: The study of time delay compensation method for a kind of heterogeneous networked cascade control systems
Abstract: In the heterogeneous network cascade control system, the existence of networks in the control loops, which could induce unsure network delay, affects the stability of the system. To aim at the above question, the method of new Smith predictor is proposed, the key of this method is that true network data transmission replace the predictor compensation models among nodes, no matter what the system satisfies all conditions of Smith predictor, but make sure that it satisfies the network time delay conditions. The implementation of presented method has nothing to do with the size and nature of network time delay; it can avoid the request for the clock synchronous and reduce the influence of stability caused by network time delay. The simulation results demonstrate that the robustness is strong when the control plants model parameters are changed more and anti-interference ability of the system is better when network time delay changed or existing interference.
Publication Year: 2015
Publication Date: 2015-07-01
Language: en
Type: article
Indexed In: ['crossref']
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