Hussein, Hawre and Mishra, Rakesh (2014) A LabVIEW-based PI controller for controlling CE 105 coupled Tank System. In: CONTROL 2014 10th International Conference of Control, 9-11 July 2014, Loughborough University.
Abstract

In this paper, use of Proportional-Integral (PI) controller to monitor and control liquid level in an interconnected CE 105 model coupled tank is investigated. To achieve a system which can instantaneously and accurately control the liquid level in a coupled tank, two different PI controllers have been tested. The LabVIEW library for the PI controller is used to measure liquid levels in the coupled tank. The PI SubVI already exists in the LabVIEW library that gives reasonable performance but to get a better system performance and monitor the liquid levels more accurately another SubVI is derived from the PI controller mathematical equations. The practical results and the system performance of the second SubVI show a faster response and more accurate instantaneous data which minimises the error in the measurements to ±1 mm. Furthermore, the robustness of the controller to change in the system’s parameters is also investigated and established.

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CONTROL2014(HAWRE).pdf - Accepted Version

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