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International Journal of Advanced Technology and Engineering Exploration (IJATEE)

ISSN (Print):2394-5443    ISSN (Online):2394-7454
Volume-8 Issue-74 January-2021
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Paper Title : Design and implementation of digital controller for DC-DC boost converter
Author Name : Muaz Zabir bin Mohammad Suhaimi, Ahmad Asri Abd Samat, Nor Salwa Damanhuri, Nor Azlan Othman, I.H. Hamzah and M.H. Abdullah
Abstract :

This paper presents a design and simulation of a DC/DC boost converter by implementing the digital controller. In this project, the user chooses the desired output voltage. The system will then automatically calculate the duty cycle and produce the pulse width modulation (PWM) signal according to that duty cycle. The PWM signal was injected into power MOSFET, and the desired output voltage was produced by varying the duty cycle. PWM was designed by using two methods: analog and digital. PWM generator was designed analogously using MATLAB / Simulink software, while the digital controller of the PWM was developed using the Verilog Hardware Description Language (HDL). The performance of both techniques was compared in terms of their steady-state and transient response. MATLAB/Simulink was also used to create test signals and software test benches for Verilog code to validate the effectiveness of the designed system. The system was tested by varying the duty cycles at 70%. The control design, analysis, and simulation results were presented in this paper to confirm the digitally controlled boost converter's performance. It has also been tested for its effectiveness by being implemented in MATLAB/Simulink using the co-simulation process. The results between analog and digital controller of boost converter have been compared. Among these two systems, digital control was producing a better performance as compared to analog controller.

Keywords : Boost converter, Digital controller, Verilog HDL.
Cite this article : Suhaimi MZ, Samat AA, Damanhuri NS, Othman NA, Hamzah I, Abdullah M. Design and implementation of digital controller for DC-DC boost converter . International Journal of Advanced Technology and Engineering Exploration. 2021; 8(74):12-23. DOI:10.19101/IJATEE.2020.S2762162.
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