Design & Implementation Digital Liquid Level Control System Using Microcontroller
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Date
2013
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Publisher
University of Management and Technology
Abstract
“Digital Liquid Level Control System” as cleared by its name that this project is digitally controlled through the digital microcontrollers such as PIC16F877A. The aim of this project is to maintain the fluid level in the tanks by using the techniques of microcontroller. Instead of analogue control the digital control is carried out through the microcontrollers by developing their algorithms and using the feed-back by the appropriate sensors.
Coupled-tanks model which resembles the model of the chemical or mixing process plant is used to evaluate the performance of digital liquid level control system under various conditions. Simulation work is carried out using MATLAB® and Proteus to control the modeled nonlinear coupled tanks using the microcontroller algorithm. It is also utilized to show that the controller can produce the appropriate control signals to the coupled tank system’s control devices to control the liquid level in the presence of plant nonlinearity, disturbance and measurement noise. Basically in this project there are three main fields of work, mathematical work related to this project, simulation work and hardware developing of the project. Initially the mathematical work will be completed then simulation and at the end the hardware will be implemented. At the end the results will be compared of the simulated work with the real developed hardware.
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Keywords
Digital Liquid Level Control System, BSc Thesis