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All Journal IAES International Journal of Robotics and Automation (IJRA)
Yousaf Khalil
University of Engineering and Technology Peshawar
Automotive Engineering Electrical & Electronics Engineering

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Stabilization of liquid level in a tank system based on fuzzy logic controller Muhammad Ilyas; Syed Ali Raza Shah; Arshad Rauf; Yousaf Khalil; Muhammad Ayaz
IAES International Journal of Robotics and Automation (IJRA) Vol 11, No 4: December 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijra.v11i4.pp315-323

Abstract

Process industry needed a fast executed automatic control system capable of handling uncertain, vague problems and nonlinear control variables. Liquid level control is one of the emerging control problems getting the interest of technical experts in the area of control. This paper is based on a fuzzy logic control strategy to maintain and stabilize the liquid level in a tank system that deals with pumping of liquid in tanks as well as regulating liquid level and pushing off the liquid into another tank. Fuzzy controller attains optimum performance by eliminating perturbation in steady state and vanishing the overshoot as compared to proportional, integral, and derivative (PID) controller. The proposed fuzzy logic controller shows minimal steady error as compared to PID controller. The defuzzification of the proposed scheme is based on the centroid method to obtain optimum results. The settling time is nearly 50 second while using fuzzy logic control as compared to 80 seconds in PID control strategy. The overshoot observed is minimal, nearly less than 1% using a fuzzy logic control scheme.
Co-Authors Arshad Rauf Muhammad Ayaz Muhammad Ilyas Syed Ali Raza Shah