New PI-PD controller design strategy for industrial unstable and integrating processes with dead time and inverse response
G Lloyds Raja, A Ali - Journal of Control, Automation and Electrical …, 2021 - Springer
Industrial processes of unstable/integrating nature having a dead time and inverse response
characteristics are challenging to control. For controlling such processes, double-loop …
characteristics are challenging to control. For controlling such processes, double-loop …
Simple PI-PD tuning rules based on the centroid of the stability region for controlling unstable and integrating processes
F Alyoussef, I Kaya - ISA transactions, 2023 - Elsevier
Designing the parameters of a PI-PD controller is very challenging. Consequently, the
centroid of the convex stability boundary locus approach was employed to overcome this …
centroid of the convex stability boundary locus approach was employed to overcome this …
Optimal tuning of PID controller in time delay system: A review on various optimization techniques
T George, V Ganesan - Chemical Product and Process Modeling, 2022 - degruyter.com
The processes which contain at least one pole at the origin are known as integrating
systems. The process output varies continuously with time at certain speed when they are …
systems. The process output varies continuously with time at certain speed when they are …
Experimentally verified optimal bi-loop re-located IMC strategy for unstable and integrating systems with dead time
Internal model controllers (IMCs) are popular strategies for controlling stable systems with
dead time. The relocated IMC (RIMC) design reportedly achieves the expected performance …
dead time. The relocated IMC (RIMC) design reportedly achieves the expected performance …
A novel equilibrium optimized double-loop control scheme for unstable and integrating chemical processes involving dead time
Integrating and unstable chemical processes showcase instability in open-loop
configuration due to the existence of poles at the origin and right-half of the s-plane. They …
configuration due to the existence of poles at the origin and right-half of the s-plane. They …
Controller design on a new 2DOF PID structure for different processes having integrating nature for both the step and ramp type of signals
Chemical reactors, heat exchangers, level-loops, and distillation columns are commonly
encountered in the chemical process industry, and these are having a significant role in the …
encountered in the chemical process industry, and these are having a significant role in the …
Repositioned internal model control strategy on time-delayed industrial processes with inverse behavior using equilibrium optimizer
This paper investigates a repositioned inner-loop stabilized internal model control technique
for demanding inverse response industrial processes and bioreactors with …
for demanding inverse response industrial processes and bioreactors with …
Design and simulation of a novel FOIMC-PD/P double-loop control structure for CSTRs and bioreactors
The design of control methods for unstable plants is somewhat complex than that of stable
plants. This is because unstable process models contain one or more poles lying on the …
plants. This is because unstable process models contain one or more poles lying on the …
Modeling, simulation and experimental realization of a new nonlinear fuzzy PID controller using Center of Gravity defuzzification
D Sain, BM Mohan - ISA transactions, 2021 - Elsevier
Abstract Though Center of Gravity (CoG) defuzzification is a well-known and long-standing
method in the history of fuzzy systems, because of its computational complexity, its use in the …
method in the history of fuzzy systems, because of its computational complexity, its use in the …
Enhanced dual-DOF PI-PD control of integrating-type chemical processes
A dual-degree of freedom (dual-DOF) propor-tional-integral proportional-derivative (PI-PD)
controller is developed for integrating-type chemical processes with delay. The interior-loop …
controller is developed for integrating-type chemical processes with delay. The interior-loop …