Filters








205 Hits in 8.5 sec

Direct Measurement of the Current Derivative Using a Delta-Sigma Modulator for Sensorless Traction Motor Control

Alecksey Anuchin, Alexandr Zharkov, Dmitry Aliamkin, Dimid Surnin, Dmitry Shpak, Yuriy Vagapov
2018 2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC)  
In order to increase accuracy and reduce transients and oscillations the measured voltage drop is processed using a delta-sigma modulator.  ...  This paper discusses a new method of direct measurement of the current derivative applied to determine an electric motor inductance required for efficient and reliable control of sensorless AC electric  ...  The sensor has small dimensions, is cheap and provides excellent noise immunity due to the delta-sigma modulation used for the voltage drop measurement.  ... 
doi:10.1109/esars-itec.2018.8607643 fatcat:wvtsboqpebckhmekbvhoevrfwu

A 99-dB DR Fourth-Order Delta–Sigma Modulator for 20-kHz Bandwidth Sensor Applications

Youngkil Choi, Jeongjin Roh, Hyungdong Roh, Hyunseok Nam, Songjun Lee
2009 IEEE Transactions on Instrumentation and Measurement  
A fourth-order single-bit delta-sigma modulator is presented for sensor applications.  ...  The designed chip is targeted for highaccuracy and wide-bandwidth sensor applications such as the resistor-based current sensors and the Hall-effect sensors in motor control systems.  ...  Fig. 1 shows a typical block diagram of motor control systems. The most common technique for current measurements in motor control is to use the shunt resistors.  ... 
doi:10.1109/tim.2009.2013910 fatcat:nzfqqna6tnalpa6564z3ucwk2y

A Comparison of Online Electrochemical Spectroscopy Impedance Estimation of Batteries

Mina Abedi Varnosfaderani, Dani Strickland
2018 IEEE Access  
This paper looks at the theoretical analysis of the circuits and control techniques and follows up with simulation and/or experimental studies of these methods. This paper focuses on battery systems.  ...  Citation: VARNOSFADERANI, M.A. and STRICKLAND, D., 2018. A comparison of online electrochemical spectroscopy impedance estimation of batteries. IEEE Access, 6, pp.23668-23677.  ...  [40] and Koch and Jossen [41] used a MCP3903 Sigma-Delta (ADC) to and a ADS1278 Sigma-Delta ADC measure the battery current and voltage.  ... 
doi:10.1109/access.2018.2808412 fatcat:hojimpxiqzch7iwo2kkhzsupb4

Energy-Efficient Capacitive Sensor Interfaces [chapter]

Michiel A. P. Pertijs, Zhichao Tan
2012 Nyquist AD Converters, Sensor Interfaces, and Robustness  
I would like to take this opportunity to express my appreciation to everyone who helped and accompanied me in this journey. This thesis would not be finished without any one of you.  ...  Acknowledgements Now that I have arrived at this page, I know I am approaching the last part of my 1699 days of studying in the Netherlands.  ...  interfaces using delta-sigma modulation.  ... 
doi:10.1007/978-1-4614-4587-6_8 fatcat:5wrkhfdbxnhwlpn36zaxtjbr7e

Table of Contents

2022 IEEE transactions on power electronics  
Fang Common-Mode Voltage Mitigation Strategies Using Sigma-Delta Modulation in Five-Phase VSIs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  ...  Wang AC Voltage Synthesis Using Arbitrary Two-Phase Voltages: Frequency, Phase, and Amplitude Modulation for Direct AC-AC Power Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . B.  ... 
doi:10.1109/tpel.2022.3183941 fatcat:m3csoswo4rdchbsggiqxcgmpiy

Papertitles

2020 2020 17th International Multi-Conference on Systems, Signals & Devices (SSD)  
between three epileptic high frequency oscillations detection strategies A comparison between two methods for MISO fractional models estimation A computational study to the optoelectronic properties of  ...  Double-Star Induction Machine System level design of third order Continuous-Time Sigma-Delta Modulator  ...  of 17β-estradiol in pg/mLImplementation of a Dual Howland Current Source for Biological Tissue Characterization Improved sensor FDI using AC ripple signals analysis of the d-axis component of the line  ... 
doi:10.1109/ssd49366.2020.9364261 fatcat:jfkx3pctprgupkjhzk5vkyopki

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] .  ...  Finally, it is shown how the delta-sigma modulating noise shapers, used to mitigate the quantization noise of the lowresolution PWM modulators, improve the load current SNR by up to 5 dB, while not affecting  ...  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

A Smart IGBT Gate Driver IC with Temperature Compensated Collector Current Sensing

Jingxuan Chen, Wei Jia Zhang, Andrew Shorten, Jingshu Yu, Masahiro Sasaki, T. Kawashima, Haruhiko Nishio, Wai Tung Ng
2018 IEEE transactions on power electronics  
Conventional IGBT current sensing methods usually employ discrete sensors such as lossy shunt resistors and involve accessing the high voltage collector load of the IGBT.  ...  The presented gate driver IC has a highly configurable gate driver, an on-chip CPU for local data processing and an integrated current sensor.  ...  , and the Delta-Sigma (∆Σ) ADC.  ... 
doi:10.1109/tpel.2018.2865788 fatcat:gadghppig5h25kxe3hvobjorwm

Permanent-Magnet Synchronous Machine Drives [chapter]

Adhavan Balashanmugham, Mockaisamy Maheswaran
2019 Electromechanical Devices and Machines [Working Title]  
Section 5 reveals about the control techniques of PMSM like scalar control, vector control and simulation of PMSM driven by field-oriented control using fuzzy logic control with space vector modulation  ...  PMSM control with and without rotor position sensors along with different control techniques for controlling various parameters of PMSM for different applications is presented in Section 6.  ...  Acknowledgements We thankful to the management and School of Electrical and Mechanical Engineering of Addiss Ababa Science and Technology University, Addiss Ababa, Ethiopia for their encouragement, support  ... 
doi:10.5772/intechopen.88597 fatcat:e7iy2heflrg3jiwgulnvy4tj5i

Power Measurement and Data Logger with High-Resolution for Industrial DC-Grid Application

Peteris Apse-Apsitis, Armands Senfelds, Ansis Avotins, Arturs Paugurs, Marcis Prieditis
2015 Electrical, Control and Communication Engineering  
Power and energy measurement and monitoring is a key factor for many industries in terms of energy and cost efficiency evaluation.  ...  Further as a testing method steady state and dynamic loads are selected and analyzed. For testing, specially created industrial DC-Grid testing environment and equipment was used.  ...  TT     (2) Another method is the averaging of voltage and current values via multi-order delta-sigma modulation and the following multiplication [18] .  ... 
doi:10.1515/ecce-2015-0010 fatcat:irpqy6giwfdnddauvhjt5t5ddy

Nanopore-based DNA sequencing sensors and CMOS readout approaches

Mehdi Habibi, Yunus Dawji, Ebrahim Ghafar-Zadeh, Sebastian Magierowski
2021 Sensor Review  
The translocation rate of DNA through such pores, the current range at which these cells operate on and the cell capacitance effect, all impose the necessity of using low-noise circuits in the process  ...  In this light, this paper aims to review established and emerging nanopore-based sensing modalities considered for DNA sequencing and CMOS microelectronic methods currently being used.  ...  (c) A sigma-delta converter used to convert photo diode current using charge delta packets. (Hassibi et al. 2018 ).  ... 
doi:10.1108/sr-05-2020-0121 fatcat:l2t6kzxvkrbuhfnuntjlmwtbhe

METROLOGICAL RELIABILITY SUPPORT OF THE DISPERSED MEASURING SYSTEM
ЗАБЕЗПЕЧЕННЯ МЕТРОЛОГІЧНОЇ НАДІЙНОСТІ В РОЗПОРОШЕНИХ ВИМІРЮВАЛЬНИХ СИСТЕМАХ

Vasyl Yatsuk, Tetiana Bubela, Mykola Mykyychuk, Yevhen Pokhodylo
2018 Measuring Equipment and Metrology  
Some drives use non-contacting current sensors, transformers, and optical couplers to achieve galvanic isolation of the control circuitry.  ...  Sigma-Delta ADCs A sigma-delta ADC is another type of integrating ADC. It contains an integrator, a DAC, a comparator, and a summing junction. (See Figure 2 .04.)  ... 
doi:10.23939/istcmtm2018.03.071 fatcat:cflwt7xlcfdlppffcj4grxdedi

Review of "Analysis and application of analog electronic circuits to biomedical instrumentation" by Robert B Northrop

Dobromir Dobrev
2012 BioMedical Engineering OnLine  
The amplitude and frequency modulation are considered with the methods of their generation and demodulation. Delta modulation is also discussed.  ...  For example, IC ADS1298 integrates eighth 24-bit simultaneous sampling sigma-delta ADCs with input referred noise of 4uVpp and eighth PGAs with selectable gain from 1 to 12.  ...  Its content is very wide and reaches almost all topics of the analog design, implemented in the biomedical instrumentation.  ... 
doi:10.1186/1475-925x-11-29 pmcid:PMC3438027 fatcat:5oit6ofwq5ct5p6ehasbi5spsu

2019-2020 Index IEEE Transactions on Industrial Electronics Vol. 67

2020 IEEE transactions on industrial electronics (1982. Print)  
., and Sun, H., Novel Topologies of Power Electronics Converter as Active Magnetic Bearing Drive; TIE Feb. 2020 950-959 Jiang, D., see Chen, J., TIE Aug. 2020 6215-6226 Jiang, F., Pourpanah, F., and  ...  Lighting Control for a Proof-of-Concept Greenhouse System; TIE April 2020 3033-3042 Jiang, J., see Ma, J., TIE July 2020 5687-5695 Jiang, J., see Wang, J., TIE Aug. 2020 6864-6873 Jiang, J., see Wang  ...  ., +, TIE July 2020 5637-5646 Delta-sigma modulation A Low-EMI Continuous-Time Delta-Sigma-Modulator Buck Converter With Transient Response Eruption Techniques.  ... 
doi:10.1109/tie.2020.3045338 fatcat:gljm7ngg3fakvmnfswcbb5vwiu

Degradation-Reducing Control for Dynamically Reconfigurable Batteries [article]

Tomas Kacetl, Jan Kacetl, Jinyang Fang, Malte Jaensch, Stefan Goetz
2022 arXiv   pre-print
State of the art in MMC bat-tery control focuses on state of charge and temperature balancing of individual modules.  ...  In contrast to conventional hard-wired dc battery packs, the MMC topology loads modules with ac current, which may lead to additional ageing of batteries.  ...  The setup implements a sigma-delta modulator running at 20 kHz. A.  ... 
arXiv:2202.11757v1 fatcat:h2is2vmgm5f4xl75rpft2seyyi
« Previous Showing results 1 — 15 out of 205 results