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In this paper, a design method for a nonlinear system is proposed, using a linear control scheme for the approximated linear model of the controlled object and a NN compensating the modeling error. In this scheme, the linear controller is designed based on the approximated linear model. And the augmented controlled object which consists of the controlled object and the NN behave same as the approximated...
PID controllers have been widely used in a many process systems because of simple control structure and clear physical meaning of PID parameters. Among the PID tuning schemes, the VRFT (Virtual Reference Feedback Tuning) and the FRIT (Fictitious Reference Iterative Tuning) which determine control parameters by using closed-loop data have received much attention in recent years. This paper studies...
In industrial processes, PID control has been applied in many real systems. The control performance strongly depends on the PID parameters. Although some schemes for tuning PID parameters have been proposed, these schemes need system parameters which are estimated by system identification in order to calculate the PID parameters. On the other hand, model‐free controller design schemes represented...
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