Next generation relay autotuners—analysis and implementation

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Sammanfattning

In order to produce models for automatic controller tuning, this paper proposes a method that combines a short experiment with a novel scheme for approximating processes using low-order time-delayed models. The method produces models aimed to tune PI and PID controllers, but they could also be used for other model-dependent controllers like MPC. The proposed method has been evaluated in simulations on benchmark processes. It has also been implemented in an industrial controller and tested experimentally on a water-tank process. It is shown that our method is successful in estimating models for a variety of processes such as lag-dominated, delay-dominated, balanced, and integrating processes. We also demonstrate that the experiment time is both shorter and more predictable than currently used autotuners.
Originalspråkengelska
Titel på gästpublikationProceedings of the 5th IEEE Conference on Control Technologies and Applications (CCTA) 2021
Sidor1075-1982
StatusAccepted/In press - 2021
EvenemangIEEE Conference on Control Technologies and Applications - Online, San Diego, USA
Varaktighet: 2021 aug 82021 aug 11
https://ccta2021.ieeecss.org

Konferens

KonferensIEEE Conference on Control Technologies and Applications
Förkortad titelCCTA
Land/TerritoriumUSA
OrtSan Diego
Period2021/08/082021/08/11
Internetadress

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