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

K. Diwakar, C. Senthilpari, Ajay Kumar Singh, Lim Way Soong
2009 IEICE Electronics Express  
This paper proposes 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  ... 
doi:10.1587/elex.6.1259 fatcat:a4gdal3tdre3jmap67qm5tibme

Space vector based pulse density modulation scheme for multilevel inverter control with zero voltage switching

Anilett Benny, T Ruban Deva Prakash
2014 2014 Annual International Conference on Emerging Research Areas: Magnetics, Machines and Drives (AICERA/iCMMD)  
First order 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.  ... 
doi:10.1109/aicera.2014.6908191 fatcat:u7ljjjbygvdapc2fyukxb5q2k4

Methods of Modulation for Current-Source Single-Phase Isolated Matrix Converter in a Grid-Connected Battery Application

Goh Teck Chiang, Takahide Sugiyama
2020 Energies  
This paper discusses 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.  ... 
doi:10.3390/en13153845 fatcat:f5offknjrbblxhovv7wbtmilai

Several-hundred-kHz single-phase to commercial frequency three-phase matrix converter using delta-sigma modulation with space vector

Yuki Nakata, Koji Orikawa, Jun-ichi Itoh
2014 2014 IEEE Energy Conversion Congress and Exposition (ECCE)  
This paper discusses the pulse density 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  ... 
doi:10.1109/ecce.2014.6953445 fatcat:yky3p624l5a4bk2dpl42a4lgei

An Investigation on the Performance of Random PWM Controlled Converters

R. Jadeja, A. Ved, S. Chauhan
2015 Engineering, Technology & Applied Science Research  
renewable energy sources, for two level as well as 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] .  ... 
doi:10.48084/etasr.599 fatcat:jnft52o6bzbbfnlwyujf3fcdd4

A fundamental verification of a single-phase to three-phase matrix converter with a PDM control based on space vector modulation

Yuki Nakata, Jun-ichi Itoh
2014 2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE ASIA)  
This paper discusses pulse density 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.  ... 
doi:10.1109/ipec.2014.6869571 fatcat:q5qhlk4gdfctbjywulld7eemiy

A Low-Noise Delta-Sigma Phase Modulator for Polar Transmitters

Bo Zhou
2014 The Scientific World Journal  
A low-noise 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/  ... 
doi:10.1155/2014/521717 pmid:24719578 pmcid:PMC3956518 fatcat:cdbfu2vebjbife4yuqcuaw7iem

Noise Minimization for Ultra-High SNR Class-D Power Amplifiers

Mario Mauerer, Johann W. Kolar
2018 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.  ... 
doi:10.24295/cpsstpea.2018.00033 fatcat:nngcpeemvrdgnoklaq7qbjjdem

An overview of sigma-delta converters

P.M. Aziz, H.V. Sorensen, J. vn der Spiegel
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.  ... 
doi:10.1109/79.482138 fatcat:jtzozmecavdfdhonq6vnm65v7e

Multifunctional RF Transmitters for Next Generation Wireless Transceivers

Lawrence Larson, Peter Asbeck, Donald Kimball
2007 2007 IEEE International Symposium on Circuits and Systems  
This has implications for the design of transmitters in portable/mobile devices as well as 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] .  ... 
doi:10.1109/iscas.2007.377995 dblp:conf/iscas/LarsonAK07 fatcat:lsjrayth5jftjn7tunmzjpn5da

Brush-DC equivalent control based delta modulation for a PWM inverter-fed nine phase induction machine drive

Lovemore Gunda, Nkosinathi Gule
2015 2015 IEEE International Conference on Industrial Technology (ICIT)  
Scalar control, direct torque control and 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.  ... 
doi:10.1109/icit.2015.7125171 dblp:conf/icit2/GundaG15 fatcat:m6wec7xfybbprp2qzt3kbcw67u

A $\Delta\Sigma$-Digitized Polar RF Transmitter

Jinsung Choi, Jounghyun Yim, Jinho Yang, Jingook Kim, Jeonghyun Cha, Daehyun Kang, Dongsu Kim, Bumman Kim
2007 IEEE transactions on microwave theory and techniques  
Index Terms-Code division multiple access (CDMA), constant envelope 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.  ... 
doi:10.1109/tmtt.2007.907137 fatcat:zequ4muhbzfpllzzar2ph4kjoq

Polar Transmitter with Differential DSM Phase and Digital PWM Envelope

Bo Zhou, Shuli Liu
2014 JSTS Journal of Semiconductor Technology and Science  
A differential 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  ... 
doi:10.5573/jsts.2014.14.3.313 fatcat:gwsitp54vzfcpmb6hbkuvenaxi

Design of an FPGA Based Controller for Delta Modulated Single-Phase Matrix Converters

Anshul Agarwal, Vineeta Agarwal
2012 Journal of Power Electronics (JPE)  
A FPGA 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.  ... 
doi:10.6113/jpe.2012.12.6.974 fatcat:7rpdoufvovamxfhnmomaj4bsxm

Noise Floor Reduction in Frequency Delta-Sigma Modulation Microphone Sensors

Koichi Maezawa, Masayuki Mori, Hiroya Andoh
2021 Sensors  
Frequency 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] .  ... 
doi:10.3390/s21103470 pmid:34065732 fatcat:yppczdir5rfdzixj32ettt7xza
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