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Frequency-controlable sine signal based on PWM and its implementation on FPGA

Lianzhen HUANG, Jiangang LI, Dongjun ZHANG

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 3,   Pages 322-328 doi: 10.1007/s11465-012-0312-9

Abstract: A sine generation method that the different frequent sine signals can be generated by the different Pulse-WidthModulation (PWM) signals generated by Field-Programmable Gate Array (FPGA) through low-pass filter of

Keywords: Pulse-Width Modulation (PWM)     Field-Programmable Gate Array (FPGA)     frequency controllable    

Simulation of grid connection and maximum power point tracking control of brushless doubly-fed generator in wind power system

Hicham SERHOUD, Djilani BENATTOUS

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 380-387 doi: 10.1007/s11708-013-0252-z

Abstract: In this paper, based on the analysis of the mathematical model in a common synchronous reference frame of the brushless doubly-fed generator (BDFG), the grid connection strategy and maximum energy extraction control were both analyzed. Besides, the transient simulation of no-load model and generation model of the BDFG have been developed on the MATLAB/Simulink platform. The test results during cutting-in grid confirmed the good dynamic performance of grid synchronization and effective power control approach for the BDFG-based variable speed wind turbines.

Keywords: brushless doubly-fed generator (BDFG)     modeling     grid connection control     back-to-back pulse-width modulation(PWM) converter     wind power generation    

Toward a nonlinear control of an AC-DC-PWM converter dedicated to induction heating

Amel HADRI-HAMIDA, S. ZEROUALI, A. ALLAG

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 140-145 doi: 10.1007/s11708-013-0243-0

Abstract: In this paper, a nonlinear control strategy applied to an AC-DC-pulse width modulation (PWM) converter

Keywords: DC-DC converter     AC-DC-pulse width modulation (PWM) converter     induction heating     nonlinear control    

DFIG sliding mode control fed by back-to-back PWM converter with DC-link voltage control for variable

Youcef BEKAKRA,Djilani BEN ATTOUS

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 345-354 doi: 10.1007/s11708-014-0330-x

Abstract: fed induction generator (DFIG) with the rotor connected to the electric grid through a back-to-back pulsewidth modulation (PWM) converter for variable speed wind power generation.proportional-integral-(PI) controller is used to keep the DC-link voltage constant for a back-to-back PWM

Keywords: doubly fed induction generator (DFIG)     wind turbine     back-to-back pulse width modulation (PWM)     DC-link    

A Novel PWM Method of Diode-clamped Multilevel Inverter at Low Modulation Indices

Xin Xiang,Zhang Qingfan,Hu Shunquan,Li Ruilai

Strategic Study of CAE 2007, Volume 9, Issue 10,   Pages 91-96

Abstract:  Its corresponding PWM control is studied extensively. The paper presents a novel carrier-based PWM method to take advantage of all levels in the invertereven at low modulation indices. The simulation results indicate that the novel PWM strategy increases device utilization and enablesthe inverter to switch at higher frequencies and low modulation indices.

Keywords: diode-clamped inverter     carrier-based PWM     low modulation index     redundant state    

A driving pulse edge modulation technique and its complex programming logic devices implementation

Xiao CHEN,Dong-chang QU,Yong GUO,Guo-zhu CHEN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 12,   Pages 1088-1098 doi: 10.1631/FITEE.1500111

Abstract: This paper describes a new technique of driving pulse edge modulation for insulated gate bipolar transistorsBy modulating the density and width of the pulse trains, without regulating the hardware circuit, the

Keywords: Driving pulse edge modulation     Switching voltage spike     Complex programmable logic device (CPLD)     Active    

Power quality investigation of a solar PV transformer-less grid- connected system fed DVR

Akhil GUPTA,Saurabh CHANANA,Tilak THAKUR

Frontiers in Energy 2014, Volume 8, Issue 2,   Pages 240-253 doi: 10.1007/s11708-014-0322-x

Abstract: the maximum power from the solar PV array, and maintains the DC link voltage constant by changing the modulation

Keywords: point tracking (MPPT)     total harmonic distortion (THD)     proportional integral     control     voltage restorer     pulsewidth modulation    

Fault tolerant control strategy for modular PWM current source inverter

Frontiers in Energy 2023, Volume 17, Issue 2,   Pages 228-238 doi: 10.1007/s11708-022-0852-6

Abstract: In this paper, a fault-tolerant control method for an input-series output-parallel modular grid-tied pulse-widthmodulation (PWM) current source inverter is proposed to address the most commonly seen single symmetricalthe proposed method effectively suppresses the resonance caused by the transformer and the modified modulation

Keywords: current source converter (CSC)     fault-tolerant control     space vector modulation     active damping     resonance    

Analysis and design of pulse frequency modulation dielectric barrier discharge for low power applications

Tang-tang GUO,Xing-liang LIU,Shi-qiang HAO,Chi ZHANG,Xiang-ning HE

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 3,   Pages 249-258 doi: 10.1631/FITEE.1400185

Abstract: the frequency range and the applied electrode voltage, is discussed when the power is regulated with pulsefrequency modulation (PFM).

Keywords: Dielectric barrier discharge     Rectifier-compensated first harmonic approximation     Parasitic capacitance     Power converter design    

Simulation Research on PWM Control in Excitation System of Generator

Jia Guixi,Xu Wei,Guo Baoyue,Zhang Chentang

Strategic Study of CAE 2005, Volume 7, Issue 6,   Pages 50-53

Abstract: In this paper, a PWM rectifier is applied to excitation system of synchronous generators.

Keywords: PWM     high power factor     excitation system     Matlab simulation    

Esophageal pulse oximetry is more accurate and detects hypoxemia earlier than conventional pulse oximetry

Guo Chen, Zhaoqiong Zhu*, Jin Liu, Wei Wei

Frontiers of Medicine 2012, Volume 6, Issue 4,   Pages 406-410 doi: 10.1007/s11684-012-0217-3

Abstract: esophagus is perfused directly by prominent arteries and may provide a more consistent tissue source for pulseThe goal of this study was to evaluate the sensitivity and accuracy of an esophageal pulse oximetry probeon patients during controlled hypoxemia in comparison to measurements obtained with conventional pulsesub> is more accurate and enables earlier detection of hypoxemia when compared to conventional pulse

Keywords: esophageal pulse oximetry     conventional pulse oximetry     hypoxemia    

Calculation methods of the crack width and deformation for concrete beams with high-strength steel bars

Jianmin ZHOU, Shuo CHEN, Yang CHEN

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 316-324 doi: 10.1007/s11709-013-0211-0

Abstract: Three groups of concrete beams reinforced with high-strength steel bars were tested, and the crack width

Keywords: concrete beam     high-strength steel bar     crack width     deformation    

Influence of nozzle height to width ratio on ignition and NO

Liutao SUN, Yonghong YAN, Rui SUN, Zhengkang PENG, Chunli XING, Jiangquan WU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 431-448 doi: 10.1007/s11708-021-0726-3

Abstract: ., ratios (denoted by / ) of the height of the rectangular burner nozzle to its width of 1.65, 2.32,

Keywords: rectangular jet burner     nozzle height to width ratio     ignition characteristics     pyrolyzed semicoke (SC)    

High efficiency spreading spectrum modulation based on double orthogonal complex sequences

Shi Xiaohong

Strategic Study of CAE 2012, Volume 14, Issue 3,   Pages 108-112

Abstract:

This paper presents a kind of high efficiency spreading spectrum modulationEach group is then mapped into a word of width M and then utilized to select one sequence from 2M-2 DoCS

Keywords: modulation and demodulation     high efficiency spreading spectrum modulation     forward phase correction    

Pulse control of frequency and width for a real-time independently adjustable laser source Research Articles

Zhiwei Yang, Xu Wu, Deqin Ouyang, Encheng Zhang, Huibin Sun, Shuangchen Ruan,wuxu@sztu.edu.cn,scruan@szu.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 10,   Pages 1379-1389 doi: 10.1631/FITEE.2000294

Abstract: A set of semiconductor laser pulse seed sources based on an embedded chip is proposed.The greatest feature is that the optical pulse frequency and width can be independently adjusted in realThe system evaluation indicates that the optical pulse frequency adjustment range is 250 Hz to 42 MHz, and the narrowest optical pulse output width is 80 ps.The pulse seed source can drive semiconductor lasers with different central wavelengths (1064, 1550,

Keywords: 电参数控制;电子设计自动化及方法;光脉冲产生;光控制    

Title Author Date Type Operation

Frequency-controlable sine signal based on PWM and its implementation on FPGA

Lianzhen HUANG, Jiangang LI, Dongjun ZHANG

Journal Article

Simulation of grid connection and maximum power point tracking control of brushless doubly-fed generator in wind power system

Hicham SERHOUD, Djilani BENATTOUS

Journal Article

Toward a nonlinear control of an AC-DC-PWM converter dedicated to induction heating

Amel HADRI-HAMIDA, S. ZEROUALI, A. ALLAG

Journal Article

DFIG sliding mode control fed by back-to-back PWM converter with DC-link voltage control for variable

Youcef BEKAKRA,Djilani BEN ATTOUS

Journal Article

A Novel PWM Method of Diode-clamped Multilevel Inverter at Low Modulation Indices

Xin Xiang,Zhang Qingfan,Hu Shunquan,Li Ruilai

Journal Article

A driving pulse edge modulation technique and its complex programming logic devices implementation

Xiao CHEN,Dong-chang QU,Yong GUO,Guo-zhu CHEN

Journal Article

Power quality investigation of a solar PV transformer-less grid- connected system fed DVR

Akhil GUPTA,Saurabh CHANANA,Tilak THAKUR

Journal Article

Fault tolerant control strategy for modular PWM current source inverter

Journal Article

Analysis and design of pulse frequency modulation dielectric barrier discharge for low power applications

Tang-tang GUO,Xing-liang LIU,Shi-qiang HAO,Chi ZHANG,Xiang-ning HE

Journal Article

Simulation Research on PWM Control in Excitation System of Generator

Jia Guixi,Xu Wei,Guo Baoyue,Zhang Chentang

Journal Article

Esophageal pulse oximetry is more accurate and detects hypoxemia earlier than conventional pulse oximetry

Guo Chen, Zhaoqiong Zhu*, Jin Liu, Wei Wei

Journal Article

Calculation methods of the crack width and deformation for concrete beams with high-strength steel bars

Jianmin ZHOU, Shuo CHEN, Yang CHEN

Journal Article

Influence of nozzle height to width ratio on ignition and NO

Liutao SUN, Yonghong YAN, Rui SUN, Zhengkang PENG, Chunli XING, Jiangquan WU

Journal Article

High efficiency spreading spectrum modulation based on double orthogonal complex sequences

Shi Xiaohong

Journal Article

Pulse control of frequency and width for a real-time independently adjustable laser source

Zhiwei Yang, Xu Wu, Deqin Ouyang, Encheng Zhang, Huibin Sun, Shuangchen Ruan,wuxu@sztu.edu.cn,scruan@szu.edu.cn

Journal Article