A Novel Random PWM Technique With Low Computational Overhead and Constant Sampling Frequency for High-Volume, Low-Cost Applications

Space Vector Based Random Discontinuous PWM Schemes for Vsi Fed Ac Drive for Reduced Harmonic Distortion, Accoustic Noise and Switching Loss

“…This is the basic principle of the random pulse width modulation (RPWM) which has in recent years attracted the increasing interest of researchers. The detailed review of the RPWM algorithms is given in [9]. Among, various RPWM algorithms, random pulse position PWM algorithms are easier for implementation [7][8][9][10].…”

“…The detailed review of the RPWM algorithms is given in [9]. Among, various RPWM algorithms, random pulse position PWM algorithms are easier for implementation [7][8][9][10]. However, a novel algorithm known as variable delay RPWM (VDRPWM) is reported recently.…”

Comparative Study and Design Analysis of Several Pulse Width Modulation Control Techniques

“…SVPWM techniques are increasingly becoming popular [1,4,6] as an alternate to sinetriangle PWM in various applications of drives. In 1980s, form of PWM called Space Vector Modulation (SVM) was proposed.…”

“…Comparing SPWM and TSPWM, the RPWM technique has lower acoustic noise and harmonic distortion. To solve the problem, RPWM [1]- [2] has attracted attention from 1987 [3]. The remarkable features of an inverter adopting RPWM, its output harmonic spectra dispersed and continuously distributed.…”

Simple and Novel Hybrid Random PWM Algorithm for DTC-Induction Motor Drive for Reduced Acoustical Noise

“…To reduce the acoustical noise of the drive, recently, random PWM (RPWM) algorithms are becoming popular. Various type of RPWM algorithms have been discussed in [7]- [10]. The RPWM algorithms randomize the pulse pattern or switching frequency by using a random number generator.…”