Evaluation of a robust PID dead-time compensation controller based on the evolutionary computation method.
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| Title: | Evaluation of a robust PID dead-time compensation controller based on the evolutionary computation method. |
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| Authors: | Ramaveerapathiran, Arun1 (AUTHOR), Muniraj, R.2 (AUTHOR), Jarin, T.3 (AUTHOR), Boselin Prabhu, S.R.4 (AUTHOR) eben4uever@gmail.com, Willjuice Iruthayarajan, M.5 (AUTHOR) |
| Source: | Automatika: Journal for Control, Measurement, Electronics, Computing & Communications. Dec2025, Vol. 66 Issue 4, p32-46. 15p. |
| Subjects: | PID controllers, Evolutionary computation, Closed loop system stability, Time delay systems, Mathematical optimization, Robust statistics |
| Abstract: | Additional time delay compensation in an established Proportional plus Integral plus Derivative (PID) Controller improves the performance of the closed loop for systems having time delay. From another point of view, the actual delay time processing creates a loop thatis decidedly sensitive to changes. The existence of number of Nyquist curve points of interaction, closed-loop and unit circle make the closed-loop to be highly sensitive. This high sensitivity reduces the robustness of the controlled system against loop variations in dead-time. The conventional robustness measures are inadequate to ensure the robustness against uncertainty in the process dead-time of the PID Dead-time compensating controlled system. Therefore, in this research work, an additional robustness constraint is introduced to tune a robust PID Dead-time compensating controller. Tuning is performed by resolving an optimization issue in addition to constraints on robustness using efficient Heterogeneous Comprehensive Learning Particle Swarm Optimization (HCLPSO) evolutionary computation algorithm. Using simulation, the robustness and functioning of the proposed tuning methodology are evaluated. An additional robustness constraint ensures the stable operation of the controlled system with respect to uncertainty with higher dead-time. Also, this offers satisfactory time domain servo-regulatory performance. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | Additional time delay compensation in an established Proportional plus Integral plus Derivative (PID) Controller improves the performance of the closed loop for systems having time delay. From another point of view, the actual delay time processing creates a loop thatis decidedly sensitive to changes. The existence of number of Nyquist curve points of interaction, closed-loop and unit circle make the closed-loop to be highly sensitive. This high sensitivity reduces the robustness of the controlled system against loop variations in dead-time. The conventional robustness measures are inadequate to ensure the robustness against uncertainty in the process dead-time of the PID Dead-time compensating controlled system. Therefore, in this research work, an additional robustness constraint is introduced to tune a robust PID Dead-time compensating controller. Tuning is performed by resolving an optimization issue in addition to constraints on robustness using efficient Heterogeneous Comprehensive Learning Particle Swarm Optimization (HCLPSO) evolutionary computation algorithm. Using simulation, the robustness and functioning of the proposed tuning methodology are evaluated. An additional robustness constraint ensures the stable operation of the controlled system with respect to uncertainty with higher dead-time. Also, this offers satisfactory time domain servo-regulatory performance. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 00051144 |
| DOI: | 10.1080/00051144.2025.2524193 |
