نتایج جستجو برای: phase disposition pd pwm

تعداد نتایج: 667970  

2017
Rikinkumar S Patel Ramkrishna Makani Zeeshan Mansuri Upenkumar Patel Rupak Desai Amit Chopra

Background Major Depressive Disorder (MDD) is a common comorbidity that significantly affects the quality of life and disease outcomes in Parkinson's disease (PD) patients. No studies have been conducted to our knowledge to address the health care utilization and its outcomes in these patients. The aim of this study is to analyze and discern the differences in the hospitalization outcomes, como...

2015
Syed Mohammed Khusro Raju Yanamshetti

This paper presents a new current control method for three phase pulse width modulation rectifiers using single dc current sensor. Conventional three-phase PFC control requires sensing of at least two input phase currents. The proposed current control method solves the problems of conventional methods by controlling a three phase PWM rectifier using only the dc-rail current as the feedback sign...

2016
Korkut BEKİROĞLU Mario SZNAIER Constantino LAGOA Bahram SHAFAI

The objective of this study is twofold: to approximate a model of a blimp, and to use this model to develop a setup to track a target with the blimp that is outfitted with a wireless camera and radio-controlled propellers. This article presents a powerful method to track any moving or stationary target with an unmanned aerial vehicle by combining the advantages of the proportional derivative (P...

1997
Qihong Huang Dan Y. Chen Milan M. Jovanovic Fred C. Lee

HARMONIC REDUCTION IN A SINGLE-SWITCH THREE-PHASE BOOST RECTIFIER WITH HARMONIC-INJECTED PWM by Qihong Huang Fred C. Lee, Chairman Electrical Engineering

Journal: :Clinical cancer research : an official journal of the American Association for Cancer Research 2008
Jing Li Michael B Jameson Bruce C Baguley Roberto Pili Sharyn D Baker

PURPOSE To develop a population pharmacokinetic-pharmacodynamic (PK-PD) model that defines the dose-concentration-effect relationship of 5,6-dimethylxanthenone-4-acetic acid (DMXAA), using plasma 5-hydroxyindole-3-acetic acid (5-HIAA) as a biomarker for the antivascular effect of DMXAA. EXPERIMENTAL DESIGN The plasma DMXAA and 5-HIAA concentration data were obtained from 124 patients receivin...

Journal: :Acta crystallographica. Section C, Crystal structure communications 2007
Mark R J Elsegood Martin B Smith Sophie H Dale

In the two square-planar palladium(II) complexes chloro[(diphenylphosphinoamino)diphenylphosphine oxide]methylpalladium(II) dimethyl sulfoxide solvate, [Pd(CH3)Cl(C24H21NOP2)].C2H6OS, (I), and chloro{[2-(diphenylphosphino)phenyl]diethoxymethane}methylpalladium(II), [Pd(CH3)Cl(C23H25O2P)], (II), a trans disposition of the diphenylphosphino and chloro groups is observed. The Pd atom in both compl...

Journal: :iranian journal of science and technology transactions of electrical engineering 2015
k. chitra a. jeevanandham

this paper presents the new topology of three phase on line uninterruptible power supply (ups) by employing t-source inverter (tsi) with maximum constant boost pulse width modulation (pwm) control and the results are compared with the conventional uninterruptible power supply (ups). the conventional ups consists of voltage source inverter (vsi) with step up transformer or dc-dc booster which de...

Journal: :Signal Processing 2003
Zukui Song Dilip V. Sarwate

The determination of the frequency spectrum of a pulse width modulated (PWM) signal with general band-limited input x(t) has been an open problem for many years. We describe a new approach that gives exact analytical expressions for the spectra of uniform-sampling PWM signals and natural-sampling PWM signals with single-edge as well as with doubleedge modulation. For the special case of single ...

Journal: :IEEJ journal of industry applications 2022

In this study, we propose a novel pulse-width modulation (PWM) method to reduces common-mode noise. The proposed includes 120-degree dormant two-phase modulated three-phase inverter that the comparative carrier of one two phases. This configuration is easy implement because it uses triangular-wave comparison. an experiment using inverter, current was reduced by approximately 60%, and in particu...

2014
Tanveer Ahmad Zia Ullah

Power Inverters have a high range of applications not only in domestic appliances but also in industries for performing variety of operations regarding switching and conversion of electrical energy. The purpose of this research paper is to analyze a three phase inverter using PWM topology to obtain a smooth and pure sinusoidal wave form of good quality which ensures better operation for sensiti...

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