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This paper deals with the optimum dynamic positioning control problem for marine ships in the presence of actuator gain uncertainties and unknown environmental disturbances. The proposed approach is formulated as two modules, i.e., the guidance part and the control part. By utilizing the improved extremum seeking algorithm, the optimum-seeking guidance is developed in this note to generate the reasonable...
Headbox is the key component in a paper machine which has a significant effect on product quality. In this paper, a hybrid model which combines mixing tank and air-cushioned headbox is proposed. In the hybrid model, the mixing tank is taken into consideration, which makes the consistency of pulp controllable. An internal model controller with both good control effect and strong robustness is designed...
This article describes a split-range tuning method based on the well developed IMC-PID controller for the parameters of the MacPID controller. The goal is to simplify the tuning complexity. Detailed tuning procedure is provided. The FOPTD model is employed to compare the proposed idea with the well known tuning methods, such as Ziegler-Nichols, Cohen-Coon and MacPID method to illustrate the simplicity...
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