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Vector quantized signal dependant Delta-Sigma modulator based high performance three-phase switching converter

2009
*
IEICE Electronics Express
*

This paper proposes

doi:10.1587/elex.6.1259
fatcat:a4gdal3tdre3jmap67qm5tibme
*three*-*phase**signal**dependant*DSM*based**switching**converter*with*vector**quantizer*. The proposed*three*-*phase*SC increases the input*signal*to full scale and maintains its stability. ... The conventional second-order*Delta*-*Sigma**modulator*(DSM)*based**switching**converter*(SC) cannot be used for full range (−1 to +1) of input*signal*. ... Introduction*Delta*-*Sigma**Modulators*(DSMs) are over sampled analog-to digital*converters*that achieve the*performance*of*high*resolution*quantizer*by using low resolution*quantizer*and linear filter in ...##
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Space vector based pulse density modulation scheme for multilevel inverter control with zero voltage switching

2014
*
2014 Annual International Conference on Emerging Research Areas: Magnetics, Machines and Drives (AICERA/iCMMD)
*

First order

doi:10.1109/aicera.2014.6908191
fatcat:u7ljjjbygvdapc2fyukxb5q2k4
*sigma**delta**modulator*is used to obtain Pulse Density*Modulation*. The*vector*space is divided into 18 segments for spatial*quantization*. ... Space*Vector**Based*Pulse Density*Modulated*scheme for multilevel inverter is proposed in this paper. ... The space*vector**quantizer*consists of two parts, m-n to*three**phase*voltage*converter*and a space*vector**quantizer*. ...##
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Methods of Modulation for Current-Source Single-Phase Isolated Matrix Converter in a Grid-Connected Battery Application

2020
*
Energies
*

This paper discusses

doi:10.3390/en13153845
fatcat:f5offknjrbblxhovv7wbtmilai
*three*methods of*modulation*for a single-*phase*isolated matrix*converter*. ... The matrix*converter*is combined with a transformer integration to*perform*power decoupling control in order to reduce the number of component and capacitor volumes. ...*Delta*-*Sigma*Conversion with Pulse Density*Modulation*(PDM) In order to eliminate the voltage error, a*delta*-*sigma*conversion which is*based*on pulse density was discussed. ...##
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Several-hundred-kHz single-phase to commercial frequency three-phase matrix converter using delta-sigma modulation with space vector

2014
*
2014 IEEE Energy Conversion Congress and Exposition (ECCE)
*

This paper discusses the pulse density

doi:10.1109/ecce.2014.6953445
fatcat:yky3p624l5a4bk2dpl42a4lgei
*modulation*(PDM) control methods for a single-*phase*to*three*-*phase*matrix*converter*(MC) in the*high*-frequency application. ... a*delta*-*sigma*conversion. ... PDM Control*based*on Space*Vector**Modulation*combined with*Delta*-*Sigma*Conversion In this section, a proposed PDM method, which is combined with SVM and*delta*-*sigma*conversion, is proposed in order to ...##
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An Investigation on the Performance of Random PWM Controlled Converters

2015
*
Engineering, Technology & Applied Science Research
*

renewable energy sources, for two level as well as

doi:10.48084/etasr.599
fatcat:jnft52o6bzbbfnlwyujf3fcdd4
*three*level inverter. ... Among others, it may be implemented to achieve*switching*loss equalization in power*switches*for cascaded H-Bridge multilevel inverters. ... Harmonics spikes at multiples of*switching*frequency are reduced by using a*sigma**delta**modulator*where*switching*frequency is varied randomly using a*vector**quantization*technique [10] . ...##
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A fundamental verification of a single-phase to three-phase matrix converter with a PDM control based on space vector modulation

2014
*
2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA)
*

This paper discusses pulse density

doi:10.1109/ipec.2014.6869571
fatcat:q5qhlk4gdfctbjywulld7eemiy
*modulation*(PDM) control methods for a single-*phase*to*three*-*phase*matrix*converter*for*high*-frequency applications such as the grid interface*converter*for a wireless ... As a result, the THD of the output voltage with*delta*-*sigma*conversion and PDM pattern method*based*on SVM are 5.96% and 2.15% respectively in the experiment using IMC. ... Fig. 5 5 shows a frame format of PDM control waveform for the single-*phase*to*three*-*phase*CMC. (a) PDM*signals*generation block diagram*based*on SVM.(b) Space*vector*diagram. ...##
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A Low-Noise Delta-Sigma Phase Modulator for Polar Transmitters

2014
*
The Scientific World Journal
*

A low-noise

doi:10.1155/2014/521717
pmid:24719578
pmcid:PMC3956518
fatcat:cdbfu2vebjbife4yuqcuaw7iem
*phase**modulator*, using finite-impulse-response (FIR) filtering embedded*delta*-*sigma*(ΔΣ) fractional-N*phase*-locked loop (PLL), is fabricated in 0.18 μm CMOS for GSM/EDGE polar transmitters. ... Experimental results show that the presented architecture*performs*RF*phase**modulation*well with 20 mW power dissipation from 1.6 V supply and achieves the root-mean-square (rms) and peak*phase*errors ... the*signal*fidelity while*phase**modulation*is*performed*: Figure 3 gives the proposed low-noise*delta*-*sigma**phase**modulator*for polar transmitters,*based*on the discussion above. / components of GSM/ ...##
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Noise Minimization for Ultra-High SNR Class-D Power Amplifiers

2018
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CPSS Transactions on Power Electronics and Applications
*

*Delta*-

*Sigma*

*Modulation*Noise shaping

*delta*-

*sigma*

*modulation*comprises different methods that can alter the frequency distribution of

*quantization*noise [38] . ... Fig. 16 . 16 Experimentally analyzed effects of

*delta*-

*sigma*

*modulation*on SNR with closed-loop

*converter*operation. ... He has proposed numerous novel PWM

*converter*topologies, and

*modulation*and control concepts and has supervised over 70 Ph.D. students. ...

##
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An overview of sigma-delta converters

1996
*
IEEE Signal Processing Magazine
*

*Sigma*-

*delta*techniques are also applicable to the

*high*resolution A/D conversion of narrowband band-pass

*signals*using band-pass

*sigma*-

*delta*

*modulators*. ... This section very briefly discusses several schemes that use architectural parallelism to improve the

*performance*of

*sigma*-

*delta*

*modulators*AD

*converters*. ...

##
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Multifunctional RF Transmitters for Next Generation Wireless Transceivers

2007
*
2007 IEEE International Symposium on Circuits and Systems
*

This has implications for the design of transmitters in portable/mobile devices as well as

doi:10.1109/iscas.2007.377995
dblp:conf/iscas/LarsonAK07
fatcat:lsjrayth5jftjn7tunmzjpn5da
*base*stations and access points. ... This paper will summarize the digital techniques that can be employed to improve the*performance*of wireless power amplifiers. ... (b) Implementation of bandpass*delta*-*sigma**modulator*[9] , (c) lower-speed baseband*delta*-*sigma**modulation*of*switching*-mode amplifiers [10] . ...##
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Brush-DC equivalent control based delta modulation for a PWM inverter-fed nine phase induction machine drive

2015
*
2015 IEEE International Conference on Industrial Technology (ICIT)
*

Scalar control, direct torque control and

doi:10.1109/icit.2015.7125171
dblp:conf/icit2/GundaG15
fatcat:m6wec7xfybbprp2qzt3kbcw67u
*vector*control methods work well in*three*-*phase*machines. ... The*delta**modulation*technique is proposed because it gives good inverter*performance*characteristics and reduces torque and current ripples. ...*Sigma*-*Delta**Modulation*The alternative linear*delta**modulator*can be modified to produce the*sigma*-*delta**modulator*. ...##
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A $\Delta\Sigma$-Digitized Polar RF Transmitter

2007
*
IEEE transactions on microwave theory and techniques
*

Index Terms-Code division multiple access (CDMA), constant envelope

doi:10.1109/tmtt.2007.907137
fatcat:zequ4muhbzfpllzzar2ph4kjoq
*modulator*, efficiency, IS-95A, linearity, multibit, polar*modulator*, power amplifier (PA), RF transmitter,*sigma*-*delta*, DS -to-*phase*... The overall efficiency is improved to 48.6% with a*three*-level*quantized*16*modulator*. ... The 1*quantization*can be used for ease of combining the envelope and*phase**signals*, which enables just flipping the up-*converted**phase**signal*. ...##
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Polar Transmitter with Differential DSM Phase and Digital PWM Envelope

2014
*
JSTS Journal of Semiconductor Technology and Science
*

A differential

doi:10.5573/jsts.2014.14.3.313
fatcat:gwsitp54vzfcpmb6hbkuvenaxi
*delta*-*sigma**modulator*(DSM) tunes a*three*-terminal voltage-controlled oscillator (VCO) to*perform*RF*phase**modulation*, where the VCO tuning curve is digitally pre-compensated for*high*linearity ... A digital intermediate-frequency (IF) pulse-width*modulator*(PWM) drives a complementary power-*switch*followed by an LC filter to achieve envelope*modulation*with*high*efficiency. ... In this work, with the*phase*path*based*on a differential*delta*-*sigma**modulated**three*-terminal voltage-controlled oscillator (VCO) where the carrier frequency is calibrated by a dual-mode frequency-locked ...##
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Design of an FPGA Based Controller for Delta Modulated Single-Phase Matrix Converters

2012
*
Journal of Power Electronics (JPE)
*

A FPGA

doi:10.6113/jpe.2012.12.6.974
fatcat:7rpdoufvovamxfhnmomaj4bsxm
*based**delta**modulated*single*phase*matrix*converter*has been developed that may be used in both cyclo-*converters*and cyclo-inverters. ... The peripheral input-output and FPGA interfacing have been developed through Xilinx 9.2i, to generate*delta**modulated*trigger pulses for the*converter*. ... This*delta**modulation*scheme is popularly known as*sigma**delta**modulation*[30] . For a single*phase*cyclo-inverter a sine wave having the desired output frequency, is the input to the*modulator*. ...##
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Noise Floor Reduction in Frequency Delta-Sigma Modulation Microphone Sensors

2021
*
Sensors
*

Frequency

doi:10.3390/s21103470
pmid:34065732
fatcat:yppczdir5rfdzixj32ettt7xza
*delta*-*sigma**modulator*(FDSM) employing a variable frequency oscillator is a novel replacement of the classical*delta*-*sigma**modulators*. ... However, the*signal*-to-noise ratio was significantly degraded by noise floor, in the previous papers. ...*Delta*-*Sigma*ADCs and*Delta*-*Sigma**Modulators*Frequency*Delta*-*Sigma**Modulators*The FDSM is a novel*delta*-*sigma**modulation*technique using a VCO [4, 5, 7] . ...
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