Abstract
BOILER STEAM PRESSURE CONTROL USING I-PD, PI-FIRSTORDER AND 2/2 SECOND-ORSER COMPENSATORS
Prof. Dr. Galal Ali Hassaan*
ABSTRACT
The control of steam pressure in a boiler is essential for safe operationand energy saving. The paper presents the control of steam pressure ina water-boiler using three compensators from the second generation ofcontrol compensators: I-PD, PI-first order and 2/2 second-ordercompensators. A proper tuning technique is selected to tune thecompensators using a proper performance index. The step timeresponse of the control system using the three proposed compensatorsis presented and compared with using a conventional PID controller tocontrol the same process and the time-based characteristics are also compared. Thecomparison reveals the best compensator among the four controllers/compensators dependingon a graphical and quantitative comparison study.
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