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Ibrahim Mohd Alsofyani
Ibrahim Mohd Alsofyani
Principal Research Engineer at SEMI-TS
Verified email at semi-ts.com - Homepage
Title
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Cited by
Year
A review on sensorless techniques for sustainable reliablity and efficient variable frequency drives of induction motors
IM Alsofyani, NRN Idris
Renewable and sustainable energy reviews 24, 111-121, 2013
1722013
Simple flux regulation for improving state estimation at very low and zero speed of a speed sensorless direct torque control of an induction motor
IM Alsofyani, NRN Idris
IEEE Transactions on Power Electronics 31 (4), 3027-3035, 2016
1552016
Improved Switched-Capacitor Integrated Multilevel Inverter with a DC Source String
SS Lee, KB Lee, IM Alsofyani, Y Bak, JF Wong
IEEE Transactions on Industry Applications 55 (6), 7368 - 7376, 2019
712019
Lookup-table-based DTC of induction machines with improved flux regulation and extended Kalman filter state estimator at low-speed operation
IM Alsofyani, NRN Idris
IEEE Transactions on Industrial Informatics 12 (4), 1412-1425, 2016
712016
Dynamic Hysteresis Torque Band for Improving the Performance of Lookup-Table-Based DTC of Induction Machines
IM Alsofyani, NRN Idris, KB Lee
IEEE Transactions on Power Electronics 33 (9), 7959-7970, 2018
682018
Internet of things-based photovoltaics parameter monitoring system using NodeMCU ESP8266
T Sutikno, HS Purnama, A Pamungkas, A Fadlil, IM Alsofyani, MH Jopri
International Journal of Electrical and Computer Engineering 11 (6), 5578, 2021
482021
Fast Torque Control and Minimized Sector-Flux Droop For Constant Frequency Torque Controller based-DTC of Induction Machines
IM Alsofyani, Y Bak, KB Lee
IEEE Transactions on Power Electronics 34 (12), 12141-12153, 2019
352019
Simple Capacitor Voltage Balancing for Three-level NPC Inverters using Discontinuous PWM Method with Hysteresis Neutral-point Error Band
IM Alsofyani, KB Lee
IEEE Transactions on Power Electronics 36 (11), 12490-12503, 2021
322021
Enhanced Performance of Constant Frequency Torque Controller–Based Direct Torque Control of Induction Machines with Increased Torque-Loop Bandwidth
IM Alsofyani, KB Lee
IEEE Transactions on Industrial Electronics 67 (12), 10168 - 10179, 2020
322020
Rule-based supervisory control of split-parallel hybrid electric vehicle
SA Anbaran, NRN Idris, M Jannati, MJ Aziz, I Alsofyani
2014 IEEE conference on energy conversion (CENCON), 7-12, 2014
302014
An optimized Extended Kalman Filter for speed sensorless direct troque control of an induction motor
IM Alsofyani, NRN Idris, T Sutikno, YA Alamri
2012 IEEE International Conference on Power and Energy (PECon), 319-324, 2012
302012
Multi Open/Short Circuit Fault-Tolerance using Modified SVM Technique for Three-Level HANPC Converters
LM Halabi, IM Alsofyani, KB Lee
IEEE Transactions on Power Electronics 36 (12), 13621 - 13633, 2021
262021
Predictive Torque Control with Simple Duty-Ratio Regulator of PMSM for Minimizing Torque and Flux Ripples
LA Adase, IM Alsofyani, KB Lee
IEEE Access 8, 2373-2381, 2020
252020
A Unidirectional Voltage Vector Preselection Strategy for Optimizing Model Predictive Torque Control With Discrete Space Vector Modulation of IPMSM
IM Alsofyani, KB Lee
IEEE Transactions on Industrial Electronics 69 (12), 12305 - 12315, 2022
222022
Torque ripple reduction and flux-droop minimization of DTC with improved interleaving CSFTC of IM fed by three-level NPC inverter
SS Hakami, IM Alsofyani, KB Lee
IEEE Access 7, 184266-184275, 2019
212019
Improved Transient-based Overmodulation Method for Increased Torque Capability of Direct Torque Control with Constant Torque-Switching Regulator of Induction Machines
IM Alsofyani, KB Lee
IEEE Transactions on Power Electronics 35 (4), 3928 - 3938, 2020
202020
Using NSGA II multiobjective genetic algorithm for EKF-based estimation of speed and electrical torque in AC induction machines
IM Alsofyani, NRN Idris, M Jannati, SA Anbaran, YA Alamri
2014 IEEE 8th International Power Engineering and Optimization Conference …, 2014
202014
Impact of observability and multi-objective optimization on the performance of extended Kalman filter for DTC of AC machines
IM Alsofyani, NRN Idris, KB Lee
Journal of Electrical Engineering & Technology 14, 231-242, 2019
162019
DC-link Ripple Reduction in a DPWM-based Two-Level VSI
A Tcai, IM Alsofyani, IY Seo, KB Lee
Energies 11 (11), 2018
162018
Low-Speed Performance Improvement of Direct Torque Control for Induction Motor Drives Fed by Three-Level NPC Inverter
SS Hakami, IM Alsofyani, KB Lee
Electronics 9 (1), 77, 2020
152020
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