Computer Science – Systems and Control
Scientific paper
2012-02-25
ISA Transactions, vol. 5, no. 3, pp. 376-388, July 2011
Computer Science
Systems and Control
27 pages, 10 figures
Scientific paper
10.1016/j.isatra.2011.02.003
In this paper, a comparative study is done on the time and frequency domain tuning strategies for fractional order (FO) PID controllers to handle higher order processes. A new fractional order template for reduced parameter modeling of stable minimum/non-minimum phase higher order processes is introduced and its advantage in frequency domain tuning of FOPID controllers is also presented. The time domain optimal tuning of FOPID controllers have also been carried out to handle these higher order processes by performing optimization with various integral performance indices. The paper highlights on the practical control system implementation issues like flexibility of online autotuning, reduced control signal and actuator size, capability of measurement noise filtration, load disturbance suppression, robustness against parameter uncertainties etc. in light of the above tuning methodologies.
Das Saptarshi
Das Shantanu
Gupta Amitava
Saha Suman
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