نتایج جستجو برای: width modulation

تعداد نتایج: 210664  

Journal: :IOP Conference Series: Materials Science and Engineering 2020

Journal: :International Journal of VLSI Design & Communication Systems 2019

2015
Konstantin Kozlov Vitaly Gursky Arina Dymova Ivan Kulakovskiy Maria Samsonova

Table S1: PWM for Hb # A C G T 1 0.28286611155278 0.592185569462781 -0.136145867625823 -1.76751293532056 2 0.254213296764319 -0.279058161264544 0.435320237208231 -0.718027195298608 3 -3.04079579883957 0.805679778784623 -0.405565047598881 0.250334015567387 4 1.15434963541116 -2.77466891653729 -1.26870528382949 -2.98624111976211 5 1.18718322170129 -2.77466891653729 -2.77466891653729 -2.2434402482...

2008
Jasim. A. Ghaeb

The main purpose of pulse-width –modulation technique for power inverters is to control the output voltage. The most familiar techniques: uniform-pulse-width-modulation and sinusoidal-pulsewidth-modulation. This paper proposes new techniques for improving the inverter performance. The methods are based on pulse-width technique. A variation of pulse-widths for the middle and boundary pulses is i...

2006
F. J. MASEDA O. BARAMBONES

This paper analyzes the way to increase the energy efficiency of three phase converters applied to control AC motor drives, through the reduction of the total harmonic distortion (THD) of the output voltage and the reduction in the switching losses in the PWM inverter. The aim is to develop a system which selects the most adequate modulation technique required to simultaneously optimize the har...

Journal: :IEEE Trans. Industrial Electronics 2003
José R. Rodriguez Luis Morán Jorge Pontt Pablo Correa César A. Silva

This paper presents a switching strategy for multilevel cascade inverters, based on the space-vector theory. The proposed high-performance strategy generates a voltage vector across the load with minimum error with respect to the sinusoidal reference. In addition, it generates very low harmonic distortion operating with reduced switching frequency, without the use of traditional sinusoidal puls...

Journal: :IEEE Trans. Industrial Electronics 2009
Sébastien Mariéthoz Manfred Morari

This paper deals with the control of pulsewidth modulation inverters connected to the grid through resonant LCL filters. It proposes two alternative (piecewise affine) models that account for the switched behavior of the converter. Based on these improved models, an explicit model-predictive control scheme is derived in order to provide a fast response, making it very suitable for applications,...

1997
Gabriel M. Nelson Roger D. Quinn Richard J. Bachmann W. C. Flannigan Roy E. Ritzmann J. T. Watson

This paper describes the design and simulation of a cockroach-like hexapod robot which is under construction for the purpose of testing control principles which are being extracted from the cockroach. The cockroach was chosen because of its remarkable running and climbing capabilities and because much is known about its biomechanics and control. The robot is designed with five, four, and three ...

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