Analog and digital pulse width modulation circuit diagram.

Analog and digital pulse width modulation circuit diagram.

Source publication
Article
Full-text available
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 m...

Contexts in source publication

Context 1
... modulator manipulates N-bit digital command word to produce the duty cycle in proportion to it. Figure 1 shows the Analog and Digital Pulse Width Modulation Circuit Diagram. ...
Context 2
... execute the performance of DPWM converter under input voltage variation, the input voltage is increased from 50 V to 55 V at 0.12 second and the resulting output voltage are measured. The resulting input-output voltages, output voltage-current and load voltage-current variation are described in Figure 11. ...
Context 3
... shown in Figure 12, the digital PWM converter can provide constant 20 V output while the input voltage is changing from 50 V to 55 V at 0.12 second. Therefore the designed digital PWM converter is also withstand to input voltage variation. ...

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In Power Electronics, Pulse-Width Modulation (PWM) is the core for control and has proven effective in driving modern semiconductor power devices. Majority of power electronic circuits are controlled by PWM signals of various forms. Pulse Width Modulation is effective and commonly used as control technique to generate analog signals from a digital...