ESP32-Based Workbench for Digital Control Systems of Duty-Cycle Modulation Buck Choppers

Paul Owoundi Etouké¹ , Léandre Nneme² , Jean Mbihi³

Section:Research Paper, Product Type: Journal-Paper
Vol.8 , Issue.6 , pp.62-67, Dec-2020

Online published on Dec 31, 2020

Copyright © Paul Owoundi Etouké, Léandre Nneme Nneme, Jean Mbihi . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
This research work presents an automated workbench for digital control systems of DCM (Duty-cycle modulation) Buck choppers. The prototyping control system used as practical case study consists of: a power Buck chopper associated with a simple DCM driver, an UTD2052CL digital storage oscilloscope, a PS150 power supply with ±15 V outputs, a Laptop computer with installed Arduino IDE/C++ 1.8.13, analog signal conditioning circuits, an ESP32 system-on-chip device, and a standard testing board. The overall ESP32-based workbench has been implemented, built and well tested. Then, experimental conditions and results for all automated operating modes are presented and discussed.

Key-Words / Index Term :
Digital control system, DCM Buck choppers, analog signal conditioning circuits, ESP32 system-on-chip, Arduino C++ application, automated operating modes

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