Optimal Tunings for Fractional PI D Controllers
نویسندگان
چکیده
The objective of this work is to nd out optimum settings for a fractional PI D controller in order to ful l ve different design speci cations for the closed-loop system, taking advantage of the fractional orders, and . Since these fractional controllers have two parameters more than the conventional PID controller, two more speci cations can be met, improving the performance of the system. For the tuning of the controller an iterative optimization method has been used, based on a nonlinear function minimization. Illustrative examples are presented and simulation results show the effectiveness of this kind of controllers.
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