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This article addresses the stability analysis for TCP networks with proportional-integral (PI) AQM scheme based on a graphical necessary and sufficient stability criterion. A linearized second-order fluid-flow TCP model is adopted and the stability region is drawn in the proportional-integral gain space of PI AQM strategy. Then, we relate the network parameters with the PI controller parameters, and...
Multilevel inverters have been widely used in medium and high voltage applications. Selective harmonics elimination for the staircase voltage waveform generated by multilevel inverters has been studied extensively in the last decade. Most published methods on this topic aimed at solving high-order multi-variable polynomial equation groups derived from Fourier series expansion. A totally different...
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