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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).
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.
Post Graduate Courses (M. Tech and Ph.D)
Under Graduate Courses (B.Tech)
Laboratory
Academic Projects
Funded Projects - Ongoing
Funded Projects - Completed
Technical Activities/ Responsibilities
Current Students
Past Students
Peer-Reviewed International Journal Publications
[1] S. B. Nair, A. C. Sreekantan, and R. S. Kaarthik, "Design and Analysis of a Wide-Range Low-current Digitizing Platform for Spacecraft-mounted Plasma Diagnostic Probes," IEEE Trans. Instrum. Meas., pp. 1–1, 2025, doi: 10.1109/TIM.2025.3572161. [Online]. Available: https://ieeexplore.ieee.org/document/11008779/
[2] V. Vidya, B. Kushwaha, and R. S. Kaarthik, "Linearization of Overmodulation Region for 12 and 24-Sided Polygonal Space Vector-Based Inverters With Harmonic Filters," IEEE Trans. Ind. Electron., pp. 1–11, 2024, doi: 10.1109/TIE.2024.3379673. [Online]. Available: https://ieeexplore.ieee.org/document/10522771/
[3] D. Bhule and R. Sudharshan Kaarthik, "A Multi-Sequence Space Vector PWM Scheme for Peak-Peak Torque Ripple Minimization in Split-phase Induction Motors," IEEE Trans. Transport. Electrific., pp. 1–1, 2024, doi: 10.1109/TTE.2024.3511112. [Online]. Available: https://ieeexplore.ieee.org/document/10777535/
[4] D. Bhule and R. S. Kaarthik, "A Model Predictive Control Scheme for a Single-Phase Integrated Battery Charger With Active Power Decoupling for EV Application," IEEE Trans. Power Electron., vol. 39, no. 4, pp. 4117–4126, Apr. 2024, doi: 10.1109/TPEL.2024.3350991. [Online]. Available: https://ieeexplore.ieee.org/document/10382607/
[5] S. Balachandran Nair, A. C. Sreekantan, and R. S. Kaarthik, "Metrological Evaluation of a Programmable Gain Current-Sensing Digitizer Suitable for Retarding Potential Analyzers," IEEE Sensors J., vol. 23, no. 23, pp. 29073–29083, Dec. 1, 2023, doi: 10.1109/JSEN.2023.3326508. [Online]. Available: https://ieeexplore.ieee.org/document/10299574/
[6] G. G. D. V. S. Pavan and R. S. Kaarthik, "Circulating Current Mitigation in Parallel Inverters by Dynamic Carrier Changing Technique," IEEE Trans. on Ind. Applicat., vol. 59, no. 4, pp. 4387–4396, Jul. 2023, doi: 10.1109/TIA.2023.3272538. [Online]. Available: https://ieeexplore.ieee.org/document/10114589/
[7] V. Vidya and R. S. Kaarthik, "Parallel Operation of Integrated Battery Chargers for All Wheel Drive Electric Vehicles," IEEE Trans. Transport. Electrific., vol. 9, no. 2, pp. 3106–3114, Jun. 2023, doi: 10.1109/TTE.2022.3215602. [Online]. Available: https://ieeexplore.ieee.org/document/9924176/
[8] S. B. Nair, A. Chandrika Sreekantan, and R. S. Kaarthik, "An Improved Digitizing Interface Circuit for Wide-Range Current-Output Sensors," IEEE Trans. Instrum. Meas., vol. 72, pp. 1–7, 2023, doi: 10.1109/TIM.2023.3241064. [Online]. Available: https://ieeexplore.ieee.org/document/10032644/
[9] S. Gadipudi, P. P. Rajeevan, and R. S. Kaarthik, "A Grid Connected Open-End Winding Induction Generator System With Series Compensation," IEEE Trans. on Ind. Applicat., vol. 58, no. 1, pp. 678–685, Jan. 2022, doi: 10.1109/TIA.2021.3128377. [Online]. Available: https://ieeexplore.ieee.org/document/9616380/
[10] R. S. Kaarthik, G. Srikara, and K. S. Ram, "Decoupled Control of Series-Connected Split-Phase Synchronous Motors With Open-Circuit Fault With Eight-Legged Inverter," IEEE Trans. Transport. Electrific., vol. 8, no. 2, pp. 1819–1827, Jun. 2022, doi: 10.1109/TTE.2021.3127522. [Online]. Available: https://ieeexplore.ieee.org/document/9612204/
[11] S. B. Nair, N. Suresh, A. C. Sreekantan, and S. Kaarthik, "An Efficient Digitizer for Measurement of Low-Magnitude Currents With Wide Span," IEEE Trans. Instrum. Meas., vol. 71, pp. 1–10, 2022, doi: 10.1109/TIM.2021.3124837. [Online]. Available: https://ieeexplore.ieee.org/document/9598871/
[12] A. G. S, A. C. M, R. S. Kaarthik, and R. P. P, "An Induction Generator Scheme With Series-Compensation for Frequency Insensitive Loads," IEEE Trans. Ind. Electron., vol. 68, no. 9, pp. 8402–8411, Sep. 2021, doi: 10.1109/TIE.2020.3013520. [Online]. Available: https://ieeexplore.ieee.org/document/9161399/
[13] V. Vidya and R. S. Kaarthik, "Modeling and Control of an Integrated Battery Charger With Split-Phase Machine," IEEE Trans. on Ind. Applicat., vol. 57, no. 2, pp. 1588–1597, Mar. 2021, doi: 10.1109/TIA.2020.3047590. [Online]. Available: https://ieeexplore.ieee.org/document/9309004/
[14] S. Ranjith, V. Vidya, and R. S. Kaarthik, "An Integrated EV Battery Charger With Retrofit Capability," IEEE Trans. Transport. Electrific., vol. 6, no. 3, pp. 985–994, Sep. 2020, doi: 10.1109/TTE.2020.2980147. [Online]. Available: https://ieeexplore.ieee.org/document/9032186/
[15] N. Gupta, G. T. G, and R. S. Kaarthik, "Modeling and Decoupled Control of Series-Connected Split-Phase Synchronous Machines With Open-Circuit Fault," IEEE Trans. on Ind. Applicat., vol. 56, no. 1, pp. 325–334, Jan. 2020, doi: 10.1109/TIA.2019.2951508. [Online]. Available: https://ieeexplore.ieee.org/document/8891722/
[16] S. K. Dash and R. S. Kaarthik, "Independent Speed Control of Two Parallel Connected Split-Phase IM With a Common DC Link and Inverter," IEEE Trans. Power Electron., vol. 34, no. 10, pp. 9957–9965, Oct. 2019, doi: 10.1109/TPEL.2019.2894636. [Online]. Available: https://ieeexplore.ieee.org/document/8624265/
[17] 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," IEEE Trans. Transport. Electrific., vol. 4, no. 4, pp. 901–911, Dec. 2018, doi: 10.1109/TTE.2018.2857216. [Online]. Available: https://ieeexplore.ieee.org/document/8412527/
[18] J. C. Akiror, R. S. Kaarthik, J. Wanjiku, P. Pillay, and A. Merkhouf, "Closed-Loop Control for a Rotational Core Loss Tester," IEEE Trans. on Ind. Applicat., vol. 54, no. 6, pp. 5888–5896, Nov. 2018, doi: 10.1109/TIA.2018.2854270. [Online]. Available: https://ieeexplore.ieee.org/document/8408749/
[19] R. S. Kaarthik, K. S. Amitkumar, and P. Pillay, "Emulation of a Permanent-Magnet Synchronous Generator in Real-Time Using Power Hardware-in-the-Loop," IEEE Trans. Transport. Electrific., vol. 4, no. 2, pp. 474–482, Jun. 2018, doi: 10.1109/TTE.2017.2778149. [Online]. Available: https://ieeexplore.ieee.org/document/8122060/
[20] A. Kshirsagar, R. S. Kaarthik, A. Rahul, K. Gopakumar, L. Umanand, S. K. Biswas, and C. Cecati, "17‐level inverter with low component count for open‐end induction motor drives," IET Power Electronics, vol. 11, no. 5, pp. 922–929, May 2018, doi: 10.1049/iet-pel.2017.0492. [Online]. Available: https://onlinelibrary.wiley.com/doi/10.1049/iet-pel.2017.0492
[21] R. S. Kaarthik, J. Maisonneuve, and P. Pillay, "Real-Time Emulation of a Pressure-Retarded Osmotic Power Generation System," IEEE Trans. on Ind. Applicat., vol. 53, no. 6, pp. 5768–5776, Nov. 2017, doi: 10.1109/TIA.2017.2732939. [Online]. Available: http://ieeexplore.ieee.org/document/7994653/
[22] A. R. S, S. Pramanick, R. S. 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," IEEE Trans. Power Electron., vol. 32, no. 7, pp. 5450–5458, Jul. 2017, doi: 10.1109/TPEL.2016.2610458. [Online]. Available: http://ieeexplore.ieee.org/document/7570165/
[23] M. Boby, S. Pramanick, R. S. Kaarthik, A. Rahul S., K. Gopakumar, and L. Umanand, "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 Trans. Power Electron., vol. 32, no. 1, pp. 60–68, Jan. 2017, doi: 10.1109/TPEL.2016.2528305. [Online]. Available: https://ieeexplore.ieee.org/document/7404053
[24] S. Pramanick, R. S. Karthik, N. A. Azeez, K. Gopakumar, S. S. Williamson, and 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 Trans. Power Electron., vol. 32, no. 3, pp. 2064–2071, Mar. 2017, doi: 10.1109/TPEL.2016.2561964. [Online]. Available: https://ieeexplore.ieee.org/document/7464365/
[25] A. Kshirsagar, R. S. Kaarthik, K. Gopakumar, L. Umanand, and K. Rajashekara, "Low Switch Count Nine-Level Inverter Topology for Open-End Induction Motor Drives," IEEE Trans. Ind. Electron., vol. 64, no. 2, pp. 1009–1017, Feb. 2017, doi: 10.1109/TIE.2016.2615015. [Online]. Available: http://ieeexplore.ieee.org/document/7582391/
[26] V. Nair R., A. Rahul S., R. S. Kaarthik, A. Kshirsagar, and K. Gopakumar, "Generation of Higher Number of Voltage Levels by Stacking Inverters of Lower Multilevel Structures With Low Voltage Devices for Drives," IEEE Trans. Power Electron., vol. 32, no. 1, pp. 52–59, Jan. 2017, doi: 10.1109/TPEL.2016.2528286. [Online]. Available: https://ieeexplore.ieee.org/document/7404050/
[27] S. Arun Rahul, R. S. Kaarthik, K. Gopakumar, L. G. Franquelo, and J. I. Leon, "A Predictive Capacitor Voltage Control of a Hybrid Cascaded Multilevel Inverter With a Single DC-Link and Reduced Common-Mode Voltage Operation," IEEE Trans. Ind. Electron., vol. 63, no. 8, pp. 5285–5292, Aug. 2016, doi: 10.1109/TIE.2016.2541635. [Online]. Available: http://ieeexplore.ieee.org/document/7433426/
[28] M. Boby, S. Pramanick, R. S. Kaarthik, K. Gopakumar, and F. Blaabjerg, "Multilevel Dodecagonal Voltage Space Vector Structure Generation for Open-End Winding IM Using a Single DC Source," IEEE Trans. Ind. Electron., vol. 63, no. 5, pp. 2757–2765, May 2016, doi: 10.1109/TIE.2015.2511162. [Online]. Available: http://ieeexplore.ieee.org/document/7362204/
[29] A. Rahul Sanjeevan, R. S. Kaarthik, K. Gopakumar, P. P. Rajeevan, J. I. Leon, and L. G. Franquelo, "Reduced common‐mode voltage operation of a new seven‐level hybrid multilevel inverter topology with a single DC voltage source," IET Power Electronics, vol. 9, no. 3, pp. 519–528, Mar. 2016, doi: 10.1049/iet-pel.2015.0130. [Online]. Available: https://onlinelibrary.wiley.com/doi/10.1049/iet-pel.2015.0130
[30] R. S. Kaarthik, K. Gopakumar, C. Cecati, and I. Nagy, "Timing Calculations for a General N-Level Dodecagonal Space Vector Structure Using Only Reference Phase Voltages," IEEE Trans. Ind. Electron., vol. 63, no. 3, pp. 1395–1403, Mar. 2016, doi: 10.1109/TIE.2015.2495283. [Online]. Available: https://ieeexplore.ieee.org/document/7308064/
[31] R. Sudharshan Kaarthik, K. Gopakumar, C. Cecati, and I. Nagy, "A Voltage Space Vector Diagram Formed by Nineteen Concentric Dodecagons for Medium-Voltage Induction Motor Drive," IEEE Trans. Ind. Electron., vol. 62, no. 11, pp. 6748–6755, Nov. 2015, doi: 10.1109/TIE.2015.2436876. [Online]. Available: https://ieeexplore.ieee.org/document/7112131/
[32] S. Pramanick, N. A. Azeez, R. Sudharshan Kaarthik, K. Gopakumar, and C. Cecati, "Low-Order Harmonic Suppression for Open-End Winding IM With Dodecagonal Space Vector Using a Single DC-Link Supply," IEEE Trans. Ind. Electron., vol. 62, no. 9, pp. 5340–5347, Sep. 2015, doi: 10.1109/TIE.2015.2408562. [Online]. Available: https://ieeexplore.ieee.org/document/7054510/
[33] P. R. Kumar, R. S. Kaarthik, K. Gopakumar, J. I. Leon, and L. G. Franquelo, "Seventeen-Level Inverter Formed by Cascading Flying Capacitor and Floating Capacitor H-Bridges," IEEE Trans. Power Electron., vol. 30, no. 7, pp. 3471–3478, Jul. 2015, doi: 10.1109/TPEL.2014.2342882. [Online]. Available: http://ieeexplore.ieee.org/document/6863677/
[34] R. Sudharshan Kaarthik, K. Gopakumar, J. Mathew, and T. Undeland, "Medium-Voltage Drive for Induction Machine With Multilevel Dodecagonal Voltage Space Vectors With Symmetric Triangles," IEEE Trans. Ind. Electron., vol. 62, no. 1, pp. 79–87, Jan. 2015, doi: 10.1109/TIE.2014.2327576. [Online]. Available: https://ieeexplore.ieee.org/document/6823724/
Peer-Reviewed International Conference Publications
Awards