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Postdoctoral Research, Electrical and Computer Engineering, Concordia University, Montreal, Canada (2015 to 2017) - Power converters for electric machine emulators.
Ph.D, Indian Institute of Science, Bangalore, India (2015) - Multilevel Dodecagonal Space Vector Structures and Modulation Schemes with Hybrid Topologies for Variable Speed AC Drives.
M. Tech in Electronics Design and Technology, Indian Institute of Science, Bangalore, India (2012) - Three phase bi-directional AC-DC front-end converter.
B. Tech in Electrical Engineering, National Institute of Technology, Rourkela, Odisha (2010).
Post Graduate Courses (M. Tech and Ph.D)
Under Graduate Courses (B.Tech)
Laboratory
Associate Professor, Department of Avionics, Indian Institute of Space Science and Technology (IIST), Thiruvananthapuram (Feb 2021 - till date)
Assistant Professor, Department of Avionics, Indian Institute of Space Science and Technology (IIST), Thiruvananthapuram (Feb. 2017 - Jan 2021)
Postdoctoral Fellow, Electrical and Computer Engineering, Concordia University, Montreal, Canada (Oct. 2015 to Feb. 2017) - Power converters for electric machine emulators
Research Associate, Dept. of Electronic Systems Engineering, Indian Institute of Science, Bangalore, India.
Power Electronics, Multilevel Converters, Electric Drives, Modulation and Switching Techniques, Power Hardware in-the-loop Emulation, Grid Connected Systems, Analog and Digital Circuit Design
Ongoing
Completed
Peer Reviewed International Journal Publications
J23. Vidya V, R. Sudharshan Kaarthik, "Modeling and Control of an Integrated Battery Charger With Split-Phase Machine," in IEEE Transactions on Industry Applications, doi:10.1109/TIA.2020.3047590.
J22. Athira Suresh, Archana C M, R. Sudharshan Kaarthik and Rajeevan P P, "An Induction Generator Scheme with Series-Compensation for Frequency Insensitive Loads," in IEEE Transactions on Industrial Electronics, doi: 10.1109/TIE.2020.3013520.
J21. Ranjith S, Vidya V and R. Sudharshan Kaarthik, "An Integrated EV Battery Charger with Retrofit Capability," in IEEE Transactions on Transportation Electrification (Accepted - Feb 2020)
doi: 10.1109/TTE.2020.2980147
J20. N. Gupta, G. T. G. and R. Sudharshan Kaarthik, "Modeling and Decoupled Control of Series-Connected Split-Phase Synchronous Machines With Open-Circuit Fault," in IEEE Transactions on Industry Applications, vol. 56, no. 1, pp. 325-334, Jan.-Feb. 2020.
J19. S. K. Dash and R. Sudharshan Kaarthik, "Independent Speed Control of Two Parallel Connected Split-Phase IM With a Common DC Link and Inverter," in IEEE Transactions on Power Electronics, vol. 34, no. 10, pp. 9957-9965, Oct. 2019.
J18. K. S. Amitkumar, R. S. Kaarthik and P. Pillay, "A Versatile Power-Hardware-in-the-Loop-Based Emulator for Rapid Testing of Transportation Electric Drives," in IEEE Transactions on Transportation Electrification, vol. 4, no. 4, pp. 901-911, Dec. 2018.
J17. J. C. Akiror, R. S. Kaarthik, J. Wanjiku, P. Pillay and A. Merkhouf, "Closed-Loop Control for a Rotational Core Loss Tester," in IEEE Transactions on Industry Applications, vol. 54, no. 6, pp. 5888-5896, Nov.-Dec. 2018.
J16. Kshirsagar. A, R. Sudharshan Kaarthik , Umanand L, Gopakumar. K et. al, "17-level inverter with low component count for open-end induction motor drives," in IET Power Electronics, vol. 11, no. 5, pp. 922-929, 5 1 2018.
J15. R. Sudharshan Kaarthik , K. S. Amitkumar and P. Pillay, "Emulation of a Permanent-Magnet Synchronous Generator in Real-Time Using Power Hardware-in-the-Loop," in IEEE Transactions on Transportation Electrification, vol. 4, no. 2, pp. 474-482, June 2018.
J14. R. Sudharshan Kaarthik , J. Maisonneuve and P. Pillay, Real-Time Emulation of a Pressure-Retarded Osmotic Power Generation System," in IEEE Transactions on Industry Applications, vol. 53, no. 6, pp. 5768-5776, Nov.-Dec. 2017.
J13. Arun Rahul S, S. Pramanick, R. Sudharshan Kaarthik , K. Gopakumar and F. Blaabjerg, "Extending the Linear Modulation Range to the Full Base Speed Using a Single DC-Link Multilevel Inverter With Capacitor-Fed H-Bridges for IM Drives," in IEEE Transactions on Power Electronics, vol. 32, no. 7, pp. 5450-5458, July 2017.
J12. Sumit Pramanick, R. Sudharshan Kaarthik , Najath Abdul Azeez, K. Gopakumar , Sheldon Williamson, K.S. Rajashekara, “A Harmonic Suppression Scheme for Full Speed Range of a Two Level Inverter Fed Induction Motor Drive using Switched Capacitive Filter”, IEEE Transactions on Power Electronics, vol. 32, no. 3, pp. 2064-2071, March 2017.
J11. Mathews Boby, Pramanick.S, R. Sudharshan Kaarthik , Arun Rahul.S, Gopakumar.K, “Fifth and seventh order harmonic elimination with multilevel dodecagonal voltage space vector structure for IM drive using a single DC source for the full speed range" IEEE Transactions on Power Electronics, vol. 32, no. 1, pp. 60-68, Jan. 2017.
J10. Kshirsagar A, R. Sudharshan Kaarthik , Umanand L, K. Gopakumar, K.S. Raja, “Low Switch Count Nine-Level Inverter Topology for Open-End Induction Motor Drives," in IEEE Transactions on Industrial Electronics, vol. 64, no. 2, pp. 1009-1017, Feb. 2017.
J9. Viju Nair, Arun Rahul.S, R. Sudharshan Kaarthik , Kshirsagar.A, Gopakumar.K, “Generation of higher number of voltage levels by stacking inverters of lower multilevel structures with low voltage devices for drives" IEEE Transactions on Power Electronics , vol. 32, no. 1, pp. 52-59, Jan. 2017.
J8. R. Sudharshan Kaarthik , Gopakumar.K, Carlo Cecati, I. Nagy, “Timing Calculations for a General N-level Dodecagonal Space Vector Structure Using Only Reference Phase Voltages”, IEEE Transactions on Industrial Electronics, Volume:63, Issue: 3, 2016, pp:1395-1403.
J7. Arun Rahul S, R. Sudharshan Kaarthik , Gopakumar.K, J.I.Leon, L.G. Franquelo,“A Predictive Capacitor Voltage Control of a Hybrid Cascaded Multilevel Inverter With a Single DC link and With Reduced Common Mode Voltage Operation” in IEEE Transactions on Industrial Electronics, vol. 63, no. 8, pp. 5285-5292, Aug. 2016.
J6. Mathews Boby, Pramanick.S, R. Sudharshan Kaarthik , Arun Rahul.S, Gopakumar.K, Umanand.L “Multilevel dodecagonal voltage space vector structure generation for open-end winding IM using a single DC source" IEEE Transactions on Industrial Electronics , vol. 63, no. 5, pp. 2757-2765, May 2016.
J5. Arun Rahul S, R. Sudharshan Kaarthik, Gopakumar.K, Rajeevan.PP, J.I.Leon, L.G. Franquelo, “Reduced common mode voltage operation of a new seven level hybrid multilevel inverter topology with a single DC Voltage source", in IET Power Electronics , vol. 9, no. 3, pp. 519-528, 3 9 2016.
J4. Pramanick.S, N.A. Azeez, R. Sudharshan Kaarthik , Gopakumar.K, Carlo Cecati, “Low Order Harmonic Suppression for Open-end Winding IM with Dodecagonal Space Vector using a Single DC-link Supply" IEEE Transactions on Industrial Electronics , Volume: 62, Issue: 9, 2015, pp: 5340-5347.
J3. R. Sudharshan Kaarthik , Gopakumar.K, Carlo Cecati, I. Nagy, “A Voltage Space Vector Diagram formed by Nineteen Concentric Dodecagons for Medium Voltage Induction Motor Drive", IEEE Transactions on Industrial Electronics , Volume:62, Issue: 11, 2015, pp:6748-6755.
J2. R. Sudharshan Kaarthik , Gopakumar.K, Mathew, J., Undeland.T, “Medium Voltage Drive for Induction Machine With Multilevel Dodecagonal Voltage Space Vectors With Symmetric Triangles", IEEE Transactions on Industrial Electronics , Volume:62, Issue: 1, 2015, pp:79-87.
J1. Roshan Kumar.P. R. Sudharshan Kaarthik , Gopakumar.K, J.I.Leon, L.G. Franquelo, “Seventeen-Level Inverter Formed by Cascading Flying Capacitor and Floating Capacitor H-Bridges", IEEE Transactions on Power Electronics , Volume: 30, Issue: 7, 2015, pp:3471-3478.
Peer Reviewed International Conference Publications
C41. GDDV Sai, R. Sudharshan Kaarthik, "Circulating Current Reduction in Parallel Grid Connected Two Level VSI using Hybrid Carrier Based Modulation," IEEE International Conference on Power Electronics, Drives and Energy Systems 2020, Jaipur, India, Dec 2020.
C40. Mallikarjun VLNK, Pragya Yadav, R. Sudharshan Kaarthik, "A Single Phase Integrated Battery Charger with Active Power Decoupling for Electric Vehicles," IEEE International Conference on Power Electronics, Drives and Energy Systems 2020, Jaipur, India, Dec 2020.
C39. Harshith Reddy, R. Sudharshan Kaarthik, Rajeevan PP, "Online Inductance Estimation of Speed Sensorless Induction Motor Drives," IEEE International Conference on Power Electronics, Drives and Energy Systems 2020, Jaipur, India, Dec 2020.
C38. Siri Gadipudi, Rajeevan PP and R. Sudharshan Kaarthik, "A Grid Connected Open-end Winding Induction Generator System with Series Compensation," IEEE International Conference on Power Electronics, Smart Grid and Renewable Energy (PESGRE-2020), Kochi, India, Jan 2020.
C37. Srikara Reddy and R. Sudharshan Kaarthik, ``A 24-step Modulation Scheme for Dodecagonal Space Vector Structure with Six Concentric Dodecagons using Reference Phase Voltages," IEEE International Conference on Power Electronics, Smart Grid and Renewable Energy (PESGRE-2020), Kochi, India, Jan 2020.
C36. Vidya V and R. Sudharshan Kaarthik, "A Control Scheme for Integrated Battery Charger With Split-Phase Machine," IEEE International Conference on Power Electronics, Smart Grid and Renewable Energy (PESGRE-2020), Kochi, India, Jan 2020.
C35. Mallikarjun Kompella, R. Sudharshan Kaarthik, Priyadarshnam and Harsh Simha ``Parallel Operation of Battery Chargers in
Small Satellite Electrical Power Systems," IEEE India Council International Conference (INDICON2019), Rajkot, India, Dec 2019. (Awarded First Prize in Student Paper Contest.)
C34. K. Sairam, Srikara Reddy G, and R. Sudharshan Kaarthik, ``Decoupled Control of Series Connected Split-Phase Synchronous Motors with Open Circuit Fault with Eight-legged Inverter," IEEE International Conference on Transportation Electrification - 2019 (iTEC-2019), Bangalore, India, Dec 2019.
C33. Vidya V, and R. Sudharshan Kaarthik, "Mathematical Modeling of Split Phase Machine based Integrated Battery Charger," IEEE International Conference on Transportation Electrification - 2019 (iTEC-2019), Bangalore, India, Dec 2019.
C32.Pragya Yadav, Vidya V, and R. Sudharshan Kaarthik, "A Voltage Sensor-less Single-Phase Unity Power Factor AC-DC Front-End Converter," IEEE International Conference on Transportation Electrification - 2019 (iTEC-2019), Bangalore, India, Dec 2019.
C31. Ranjith S and R. Sudharshan Kaarthik, "Linearization of Over-Modulation in Dodecagonal Space Vector PWM," 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE), Vancouver, BC, Canada, 2019, pp. 215-220.
C30. G. S. Athira, R. Sudharshan Kaarthik and P. P. Rajeevan, "An Open End Winding Induction Generator System for Simultaneous Supply of Power to DC-link Loads and Frequency Insensitive AC Loads with Voltage Regulation," 2018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Chennai, India, 2018, pp. 1-6.
C29. N. Gupta and R. Sudharshan Kaarthik, "Decoupled Control of Two Series Connected Split-Phase Synchronous Machines From a Single Six-Phase Inverter," 2018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Chennai, India, 2018, pp. 1-6.
C28. S. K. Dash, R. S and R. Sudharshan Kaarthik, "Decoupled Control of Dual-Split-Phase IMs for Full Power Range Using Capacitive Filters," 2018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Chennai, India, 2018, pp. 1-6.
C27. A. Hegde, G. S. Athira, P. P. Rajeevan and R. Sudharshan Kaarthik, "Current Error SVPWM based Speed Sensorless IM Drive with Stator Resistance Estimation," 2018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Chennai, India, 2018, pp. 1-5.
C26. Archana C M., Rajeevan. P. P. and R. Sudharshan Kaarthik, "A Series Compensated Open-end Winding Induction Generator System for DC loads and AC linear, Non-linear and Unbalanced loads," 2018 8th IEEE India International Conference on Power Electronics (IICPE), JAIPUR, India, 2018, pp. 1-6.
C25. S. K. Dash and R. Sudharshan Kaarthik, "Space Vector PWM Techniques for Parallel Connected Dual-Split-Phase IMs for Full Power Range Using Capacitive Filters," 2018 8th IEEE India International Conference on Power Electronics (IICPE), JAIPUR, India, 2018, pp. 1-6.
C24. T. G. Gopika, N. Gupta and R. Sudharshan Kaarthik, "Modeling, Simulation, and Analysis of Series-Connected Split-Phase Synchronous Motor Drive," 2018 8th IEEE India International Conference on Power Electronics (IICPE), JAIPUR, India, 2018, pp. 1-6.
C23. G. S. Athira, R. Sudharshan Kaarthik Kaarthik and P. P. Rajeevan, "An Induction Generator Scheme with Series Compensation for Frequency Insensitive Loads," IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society, Washington, DC, 2018, pp. 5015-5020.
C22. S. Ranjith and R. Sudharshan Kaarthik, "An Integrated EV Battery Charger with Retrofit Capability," IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society, Washington, DC, 2018, pp. 5021-5026.
C21. Tamanwe Payarou, Kirankumar Kuruvinashetti, R. Sudharshan Kaarthik, Pragasen Pillay, Muthukumaran Packirisamy, "Sensing Circuitry for Real-Time Power Studies of Micro-Photosynthetic Power Cells'', IEEE Canadian Conference on Electrical and Computer Engineering, CCECE 2018, Quebec City, Canada, 13-16 May 2018.
C20. R. Sudharshan Kaarthik, and P. Pillay, "Real-time power hardware-in-the-loop emulation of a parallel hybrid electric vehicle drive train," 2017 IEEE Transportation Electrification Conference (ITEC-India), Pune, 2017, pp. 1-6.
C19. Athira G.S, R. Sudharshan Kaarthik, Rajeevan P.P, Dasgupta A, "Improved stator flux and stator resistance estimators for sensor-less control induction motor drives," 2017 IEEE Transportation Electrification Conference (ITEC-India), Pune, 2017, pp. 1-6.
C18. R. Sudharshan Kaarthik, J. Mathew and K. Gopakumar, "Carrier based modulation technique for space vector PWM of dodecagonal voltage SV structures," 43rd Annual Conference of the IEEE Industrial Electronics Society (IECON 2017), Beijing, China, 2017, pp. 940-945
C17. K. S. Amitkumar, R. Sudharshan Kaarthik and P. Pillay, "A versatile power-hardware-in-the-loop based emulator for rapid testing of electric drives," 2017 IEEE Energy Conversion Congress and Exposition (ECCE), Cincinnati, OH, 2017, pp. 5468-5474.
C16. J. C. Akiror, R. Sudharshan Kaarthik , J. Wanjiku, P. Pillay and A. Merkhouf, "Closed loop control for a rotational core loss tester," 2017 IEEE International Electric Machines and Drives Conference (IEMDC), Miami, FL, 2017, pp. 1-6.
C15. R. Sudharshan Kaarthik and P. Pillay, "Emulation of a permanent magnet synchronous generator in real-time using power hardware-in-the-loop," 2016 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Trivandrum, 2016, pp.1-6.
C14. A. Kshirsagar, R. Sudharshan Kaarthik , M. Boby, L. Umanand and K. Gopakumar, "Elimination of dead-time transients in a three-level flying capacitor inverter using a state machine for switching state sequence selection," 2016 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Trivandrum, 2016, pp. 1-6.
C13. S. Dey, R. Sudharshan Kaarthik , P. Pillay and J. Maisonneuve, "Modeling and emulation of an osmotic power system," 2016 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Trivandrum, 2016, pp. 1-5.
C12. R. Sudharshan Kaarthik , Maisonneuve. J, Pillay. P, “Real-time Emulation of a Pressure Retarded Osmosis Power Generation System”, IEEE Energy Conversion Congress and Expo, Milwaukee, (ECCE) 2016, pp. 1-6.
C11. Abhijit Kshirsagar, R. Sudharshan Kaarthik , Arun Rahul, Gopakumar K, Umanand L, Sujit Biswas, Carlo Cecati, “Reduced Switch Count Seventeen Level Inverter Topology for Open-End Induction Motor Drives”, 42nd Annual Conference of the IEEE Industrial Electronics Society, IECON, Florence, 2016, pp. 3582-3587. ( Awarded for the Best Presentation).
C10. S. A. Rahul and R. Sudharshan Kaarthik and K. Gopakumar and P. P. Rajeevan and L. G. Franquelo and J. I. Leon and I. Nagy, "A hybrid seven level inverter topology with a single DC supply and reduced switch count," 17th European Conference on Power Electronics and Applications (EPE’15 ECCE-Europe), 2015, Geneva, 2015, pp. 1-10.
C9. R. Sudharshan Kaarthik , Gopakumar.K, Carlo Cecati, I. Nagy, “Timing Calculations for Three level Dodecagonal Space Vector Structures for Space Vector PWM from Reference Phase Voltages", 41st Annual Conference of the IEEE Industrial Electronics Society , IECON 2015, pp.19-24.
C8. Kshirsagar.A, R. Sudharshan Kaarthik , Umanand.L, Gopakumar.K, “Nine level inverter for open-end induction motor with eight switches per phase", 41st Annual Conference of the IEEE Industrial Electronics Society , IECON 2015, pp.1097-1102, ( Awarded for the Best Presentation).
C7. R. Sudharshan Kaarthik , Roshan Kumar.P, Gopakumar.K, J.I.Leon, L.G. Franquelo,"A hybrid multilevel inverter scheme for induction motor drives and grid-tied applications using a single DC-link," 2015 IEEE International Conference on Industrial Technology (ICIT) , Seville, 2015, pp. 3010-3015.
C6. R. Sudharshan Kaarthik , Gopakumar.K, Carlo Cecati, I. Nagy, “A 19 level dodecagonal voltage space vector structure for medium voltage IM drive", 40th Annual Conference of the IEEE Industrial Electronics Society , IECON 2014, pp.988-994, ( Awarded for the Best Presentation).
C5. R. Sudharshan Kaarthik , Gopakumar.K, Mathew, J., Undeland.T, “An open-end winding IM drive with multilevel 12-sided polygonal vectors with symmetric triangles", 16th European Conference on Power Electronics and Applications, Lappeenranta, 2014, pp. 1-9.
C4. P. Roshankumar, R. Sudharshan Kaarthik , K. Gopakumar, P. P. Rajeevan, J. I. Leon and L. G. Franquelo, "A seventeen-level inverter with a single DC-link for motor drives," 39th Annual Conference of the IEEE Industrial Electronics Society, IECON 2013 , Vienna, 2013 -, pp. 6176-6181.
C3. T. M. Ladwa, S. M. Ladwa, R. Sudharshan Kaarthik , A. R. Dhara and N. Dalei, "Control of remote domestic system using DTMF," International Conference on Instrumentation, Communication, Information Technology, and Biomedical Engineering 2009, Bandung, 2009, pp. 1-6.
C2. Chitti Babu B, R. Vigneshwaran, R. Sudharshan Kaarthik , Dalei N K, Das R N, “A Novel Technique for Maximum Power Point Tracking of Photo-Voltaic Energy Conversion System,” 4th International Conference on Computer Applications in Electrical Engineering Recent Advances February 19-21, 2010.
C1. Chitti Babu B, R. Sudharshan Kaarthik , Dalei N K, R. Vigneshwaran, Das R N, “Photovoltaic Energy Conversion System for Water Pumping Applications – Modeling and Simulation,” International Symposium on Photovoltaic Science and Technology, Indian Institute of Technology, Kanpur, 13 January, 2010 (Best Poster).
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