Practical results show that such a controller may be recommended to control a variety of industrial processes. The controller reacts on a persistent offset error value as a result of load disturbance or a set point change. The controller uses an open loop relay test, calculates the tuned parameters in an open loop mode of operation before it updates controller parameters and runs the process as a closed-loop system. Received February 20 th, 2011 revised March 5 th, 2011 accepted March 9 th, ABSTRACT In this paper a trial has been made to design a simple self-tuning LabVIEW-based PID controller. Alsabbah Mechatroncis Engineering Department, Faculty of Engineering Technology, Al-Balqa Applied University, Amman, Jordan. 1 Journal of Software Engineering and Applications, 2011, 4, doi: /jsea Published Online March 2011 ( 161 A Design of a PID Self-Tuning Controller Using LabVIEW Mohammad A.
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