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Some analyses and researches are done about networked control systems (NCS) those are based on the new Smith predictor and internal model control (IMC) from the system structures in this paper. The research and simulation results show that the choice of strategy of the new Smith predictor is more flexible than internal model control, but the adjusting parameter of the internal model control is relatively...
To aim at the network delays in the industrial control process and uncertain object model, we add a feedback filter into the feedback loop of the traditional internal model controller, which we call it two-degree-of-freedom internal model controller for the networked control system, so that we can adjust the track and the robustness respectively. The results of the simulation show the validity of...
To aim at the network delays in the networked control systems, an internal model control algorithm is proposed. This method makes that the network delays don't need to be measured, identified or estimated on line, and the nodes don't need the clock signal synchronization. Moreover, it adapts to the environment which has random, variant and uncertain delays, more than dozens of sampling periods, some...
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