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An Explorative Study of Search Algorithms Applied to the Gain Scheduling in PID Controllers | IEEE Conference Publication | IEEE Xplore

An Explorative Study of Search Algorithms Applied to the Gain Scheduling in PID Controllers

Publisher: IEEE

Abstract:

The efficiency of a proportional-integral-derivative (PID) controller depends directly on the values of the gains K_{p},K_{i} , and K_{\mathrm{d}} . In this context...View more

Abstract:

The efficiency of a proportional-integral-derivative (PID) controller depends directly on the values of the gains K_{p},K_{i} , and K_{\mathrm{d}} . In this context, changes in the process dynamics imply degradation in the performance of the closed-loop control system. Several artificial intelligence techniques are used to adjust the PID parameters to improve the control system's performance. However, there is little exploratory evidence about how primitive techniques with low computational costs can contribute to solve this gain calculation task. This paper explores and compares three algorithms applied to the real-time gain calculation of PID controllers: fuzzy logic (FGS-PID), simulated annealing (SA-PID), and the A * search method (A *-PID). The validation of the operation of these schemes is carried out through simulations as well as by applying these controllers to a two-tank liquid-level control system. Experimental results show the algorithms' effectiveness to improve the control system's global performance and to add passive fault-tolerance capabilities.
Date of Conference: 03-06 July 2023
Date Added to IEEE Xplore: 24 October 2023
ISBN Information:

ISSN Information:

Publisher: IEEE
Conference Location: Rome, Italy

References

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