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Model reference pi controller tuning for second order inverse response and dead time processesand science
(2016-09-06)
In this paper, a One-Degree-of-Freedom PI controller is optimized using the model reference tuning approach for a Second Order Inverse Response and Dead Time Process operating as a servo control. In addition, a graphic ...
Development of a Mobile Application for Robust Tuning of One- and Two-Degree-of-Freedom PI and PID Controllers
(2015-12-01)
This paper presents the development of a mobile application for Android systems devices, that helps in the control system design task. The application allows to compute the parameters of PID-type controllers. The controlled ...
Robust PI/PID controllers for load disturbance based on direct synthesis
(2018-10)
It is recognized that disturbance rejection is much more important than set-point tracking for many process control applications, leading set-point tracking to a secondary level of interest. In this paper a proposal for ...
Multi-objective optimal tuning of two degrees of freedom PID controllers using the ENNC method
(2016-10-13)
In this paper the Enhanced Normalized Normal Constrained method is applied to find the optimal tuning of second order PID controllers. This tuning takes into account both the servo and regulatory modes simultaneously, as ...
Improved PID controller tuning rules for performance degradation/robustness increase trade-off
(2016-09)
Definitely, robustness is an important feature that any control system must take into account, especially considering that the design is usually based on low-order linear models that represent the whole controlled process. ...
Robustness/performance tradeoff for anisochronic plants with two degrees of freedom PID controllers
(2015)
In this paper, the anisochronic model (which is able to represent both over-damped and under-damped process with the same topology) is used for the tuning of PI and PID controllers. The relationship between robustness and ...
Multivariable decoupling set-point approach applied to a wastewater treatment plant
(2016-10-21)
This paper presents a formulation for the inclusion of the second degree of freedom for MIMO system for decoupling purposes. The proposal is specially effective when combined with decentralized feedback controllers. Loop ...
I-PD controller as an structural alternative to servo/regulation tradeoff tuning
(2018)
One of the recurrent topics in the PI/PID literature of recent years is the incorporation of the tradeoff between the two possible modes of closed-loop operation: servo and regulation. Tuning rules are usually provided as ...
Fractional order model identification: Computational optimization
(2015-10-26)
This paper deals with the identification of fractional models with one fractional parameter. This kind of models are capable to represent an extensive range of dynamics, including overdamped and oscillatory behaviors. The ...
Improvement of the Control System Performance based on Fractional-Order PID Controllers and Models with Robustness Considerations
(2018)
In this paper we assess the performance improvement achievable by using onedegree-of-freedom fractional-order proportional-integral-derivative controllers (FOPI/FOPID) instead of their integer-order counterparts (PI/PID). ...