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This paper presents a new design method of a fractional order PI (FO-PI) for time delay systems based on the min-max numerical optimization. The proposed method uses a constrained optimization algorithm to determine the unknown parameters of the controller and has an objective to improve the transient response, stability margin, stability robustness and load disturbance rejection. A simulation example...
In this paper, a servo control strategy for tuning of fractional order PI (FO-PI) controllers is proposed for fractional order system models with and without time delays. The proposed strategy is based on a reference model, whose open-loop transfer function is given by Bode's ideal transfer function, which provides an infinite gain margin and constant phase margin. To come up with satisfactory tuning...
In this paper, model output following control based on command generator tracker is designed and applied to networked aluminum plate thermal process. One of the most important problems on networked system is the time delay problem. An explorative technique is that time delay is approximated as high order rational transfer functions. Therefore, the approximated high order system must be analyzed. Model...
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