Abstract
The paper presents a tuning method for PID controllers which substantially improves closed-loop disturbance rejection performance while keeping the tracking performance. The tuning method is based on the internal disturbance compensator which parameters are calculated according to the Magnitude Optimum criterion. The results of experiments show that the proposed model-based approach gives superior disturbance-rejection response and lower controller activity when compared to Disturbance Rejection Magnitude Optimum tuning method.
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Notes
- 1.
The filter T F is assumed to be part of the process and the controller parameters are tuned according to such process. Due to negligible T F , compared to the process time constants, the overall result for K FD should not vary significantly and the change can be supposed to remain negligible.
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Acknowledgments
This work was supported in part by the Slovenian Research Agency through the programme P2-0001 and Grant L2-5476 and by EU’s Seventh Framework Programme under grant agreement n°[621208].
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Vrančić, D., Oliveira, P.M., Cvejn, J. (2017). The Model-Based Disturbance Rejection with MOMI Tuning Method for PID Controllers. In: Garrido, P., Soares, F., Moreira, A. (eds) CONTROLO 2016. Lecture Notes in Electrical Engineering, vol 402. Springer, Cham. https://doi.org/10.1007/978-3-319-43671-5_8
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