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World Journal of Engineering
Research and Technology

An International Peer Reviewed Journal for Engineering Research and Technology

ISSN 2454-695X

Impact Factor : 5.924

ICV : 79.45

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Indexing

Abstract

TUNING OF A PI-PD CONTROLLER USED WITH A THIRD ORDER PROCESS

*Akram F. Singer, Galal A. Hassaan and Mohamed A. Elgamil

ABSTRACT

Highly oscillation in industrial processes is completely undesirable, and controller tuning has to solve this problem. PI-PD is a controller type of the PID family which is suggested to overcome this problem with improved performance regarding the spike characteristics associated with certain types of controllers. This work has proven that using the PI-PD controller is capable of solving the problems of the highly oscillated third order process. A highly oscillated third order process of 57% maximum overshoot and 75 seconds settling time is controlled using a PI-PD controller (through simulation). The controller is tuned by minimizing the sum square error (ISE) of the control system using a software package. A software package optimization toolbox is used assuming that the tuning problem is an unconstrained one. The overshoot, undershoot and oscillatory behavior disappeared completely in the step response. The performance of the control system using an PI-PD controller using the present tuning technique is compared with that using the standard forms tuning technique.

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