Results 61 to 70 of about 200,578 (202)
Design and manufacture of direct current torquer amplifiers Final summary report [PDF]
Design and manufacture of direct current torquer amplifier with pulse width modulation ...
Gilchrest, D. W., Schutz, A. E.
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Method and apparatus for pulse width modulation control of an AC induction motor [PDF]
, 1984 An inverter is connected between a source of DC power and a three-phase AC induction motor, and a micro-processor-based circuit controls the inverter using pulse width modulation techniques.
Geppert, Steven, Slicker, James M.
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, 2018 In this paper, Multirate Partial Differential Equations (MPDEs) are used for the efficient simulation of problems with 2-level pulsed excitations as they often occur in power electronics, e.g., DC-DC switch-mode converters.
Gyselinck, Johan +3 more
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Direct power control in pulse-width modulation rectifier based on virtual flux estimation
Advances in Mechanical Engineering, 2017 Pulse-width modulation rectifier plays an important role in the field of electric energy conversion. It has many advantages such as the grid side current sinusoidal, bidirectional energy flow, and unit power factor.
Bo Fan +4 more
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Scalar Pulse Width Modulation Strategies For Matrix Converters
Eletrônica de Potência, 2007 This paper describes three different scalar pulse width modulation (PWM) techniques for matrix converters to be compared to two other scalar techniques proposed here.
A. G. H. Accioly +5 more
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Five-level selective harmonic elimination PWM strategies and multicarrier phase-shifted sinusoidal PWM: A comparison [PDF]
, 2005 The multicarrier phase-shifted sinusoidal pulse-width modulation (MPS-SPWM) technique is well-known for its important advantage of offering an increased overall bandwidth as the number of carriers multiplied with their equal frequency directly controls ...
Agelidis, V.G. +3 more
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Radiation properties of extreme nulling pulsar J1502-5653
, 2012 We report on radiation properties of extreme nulling pulsar J1502-5653, by analyzing the data acquired from the Parkes 64-m telescope at 1374 MHz. The radio emission from this pulsar exhibits sequences of several tens to several hundreds consecutive ...
A. Esamdin +23 more
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Design of High-Precision Driving Control System for Charge Management
SensorsDue to the interaction of accumulated charges on the surface of a test mass with the surrounding electric and magnetic fields, the performance of inertial sensors is affected, necessitating charge management for the test mass.
Yang Wang +4 more
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Energy efficiency of semiconductor light sources at pulse mode [PDF]
, 2018 Представлена методика та опис установки для вимірювання енергоефективності напівпровідникових джерел світла при імпульсному живленні. Досліджено вплив параметрів джерел живлення з широтною модуляцією імпульсів на енергетичну ефективність ...
Andriychuk, Volodymyr +5 more
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Step-Pulse Modulation of Gain-Switched Semiconductor Pulsed Laser
Applied Sciences, 2019 To improve the peak power and extinction ratio and produce ultra-short pulses, a novel approach is presented in this paper offers a highly effective modulated method for a gain-switched semiconductor laser by using step-pulse signal modulation.
Bin Li +4 more
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