Abstract

The paper mainly focuses on the digital pulse width modulation (DPWM) control techniques for high performance power electronic circuit design. The problem to be solved in this study addresses the DPWM converter design for DC to DC conversion process. The control techniques have been utilized the Fuzzy Logic Rules Base method for proposed SIMULINK model of high performance power electronic circuit. The analytical calculations for real circuit design have been completed based on the mathematical modeling of the system. The results from the developed SIMULINK model confirm the target specifications of the high performance condition for power electronic circuit which was met the objective of this study. The numerical results have been carried out with the help of MATLAB/SIMULINK.

Highlights

  • The Pulse Width Modulation (PWM) is a modulation technique for controlling analog circuits with digital outputs of processing device

  • The paper mainly focuses on the digital pulse width modulation (DPWM) control techniques for high performance power electronic circuit design

  • We have developed digital pulse width modulation for DC to DC converter based on the analytical calculation and mathematical modeling of the power electronic circuits

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Summary

Introduction

The Pulse Width Modulation (PWM) is a modulation technique for controlling analog circuits with digital outputs of processing device. Pulse Width Modulation is employed in a wide variety of applications, ranging from measurement and communications to power control and conversion processes in power electronic circuits. The digital power controller uses analog-to-digital converters (ADC’s) with sample analog power supply variables, such as voltages, currents, and temperature These quantities are processed by control laws implemented in a fast computational block. Among them DC to DC conversion process is a vital role to enhance the high performance and accuracy for controlling the power electronic circuit by using PWM techniques. We have developed digital pulse width modulation for DC to DC converter based on the analytical calculation and mathematical modeling of the power electronic circuits.

Concept
Design Consideration of DPWM
Design of Fuzzy Logic Controller
Calculation of Buck Converter
Implementation
Test on Normal Load Condition
Test on Changes Load Condition
Test on Changing Input Voltage Level
Findings
Conclusion

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