DEPARTMENTS
Dr. Rijil Ramchand
Dr. Rijil Ramchand

Professor

Office Address:

Professor, Department of Electrical Engineering, National Institute of Technology, Calicut, Kerala , India -673601

Email ID:

rijil@nitc.ac.in

Home Address:

ASWATHY, Cheruvattakadavu, P.O.PARAMBIL, Calicut, KERALA - INDIA - 673012

  • B. Tech (1996) Govt. College of Engg, Kannur, Calicut University.

  • M.E.(2003) Indian Institute of Science, Bangalore.

  • Ph. D (2010) Indian Institute of Science, Bangalore.

  • Educational Qualifications

    • B. Tech (1996) Govt. College of Engg, Kannur, Calicut University.

    • M.E.(2003) Indian Institute of Science, Bangalore.

    • Ph. D (2010) Indian Institute of Science, Bangalore.

    Power Electronics

       1. Inductioon Motor Drives

       2. Multilevel Inverters

       3. Current Controlled Inverters

    1. ISTE, Life Member

    2. ECS, Life Member

    3. IEEE, Senior Member 

    1. Power Semiconductor Devices and Modelling

    2. Power Electronics&Drives

    3. Electronics

    4. Electrical Machines

    5. Instrumentation & Control

    6. Analog & Digital Electronics

    7. Electric Circuits & Systems

    8. Electronic Design & Automation

    9. Advanced Topics in Power Electronics

    JOURNAL PUBLICATIONS:

    IEEE Transaction Papers

    1. Anandarup Das, K. Sivakumar, Rijil Ramchand, Chintan Patel and K. Gopakumar, “A Combination of Hexagonal and 12-Sided Polygonal Voltage Space Vector PWM Control for IM Drives Using Cascaded Two-Level Inverters”, IEEE Trans. Ind. Electron., vol. 56, no. 5, pp. 1657-1664, May 2009. DOI: 10.1109/TIE.2009.2013751
    2. Gopal Mondal, Anandarup Das, Rijil Ramchand, K. Sivakumar, and K. Gopakumar, “A Dual Seven-Level Inverter Supply for an Open-End Winding Induction Motor Drive”, IEEE Trans. Ind. Electron., vol. 56, no. 5, pp. 1665-1673, May 2009. DOI: 10.1109/TIE.2008.2010159
    3. Anandarup Das, K. Sivakumar, Rijil Ramchand, Chintan Patel and K. Gopakumar, “A Pulse-width Modulated Control of Induction Motor Drive Using Multilevel 12-Sided Polygonal Voltage Space Vectors”, IEEE Trans. Ind. Electron., vol. 56, no. 7, pp. 2441-2449, July 2009. DOI: 10.1109/TIE.2009.2020075
    4. K. Sivakumar, Anandarup Das, Rijil Ramchand, Chintan Patel and K. Gopakumar, “A Five Level Inverter Scheme for a Four Pole Induction Motor Drive by Feeding the Identical Voltage Profile Windings from Both Sides”, IEEE Trans. Ind. Electron., vol. 57, no. 8, pp. 2776 - 2784, August 2010. DOI: 10.1109/TIE.2009.2026763
    5. K. Sivakumar, Anandarup Das, Rijil Ramchand, Chintan Patel and K. Gopakumar, “A Hybrid Multilevel Inverter Topology for an Open-end winding Induction Motor Drive Using Two-Level Inverters in series with a Capacitor fed H-Bridge Cell”, IEEE Trans. Ind. Electron., vol. 57, no.11, pp. 3707-3714, November 2010. DOI: 10.1109/TIE.2010.2040565
    6. Chintan Patel, Rijil Ramchand, K. Sivakumar, Anandarup Das, and K. Gopakumar, “A Rotor Flux Estimation during Zero and Active Vector Periods using Current Error Space Vector from a Hysteresis Controller for a Sensorless Vector Control of IM Drive”, IEEE Trans. Ind. Electron., vol. 58, no. 6, pp. 2334 - 2344, June 2011. DOI: 10.1109/TIE.2010.2058077
    7. Rajeevan P. P, K. Sivakumar, Rijil Ramchand, Chintan Patel, and K. Gopakumar, “A Seven-level Inverter topology for IM Drive using Two-level Inverters and Floating Capacitor Fed H-Bridges”, IEEE Trans. Power Electron., vol. 26, no. 6, pp. 1733 - 1740, June 2011. DOI: 10.1109/TPEL.2010.2090541
    8. Chintan Patel, Rajeevan P. P , Anubrata Dey, Rijil Ramchand, K. Gopakumar,  and Marian P. Kazmierkowski, “Fast Direct Torque Control of an Open-End Induction Motor Drive Using 12-Sided Polygonal Voltage Space Vectors”, IEEE Trans. Power Electron., vol. 27, no. 1, pp. 400 - 410, January 2012. DOI: 10.1109/TPEL.2011.2159516
    9. Rijil Ramchand, K. Gopakumar, Chintan Patel, K. Sivakumar, Anandarup Das, and Haitham Abu-Rub, “Online Computation of Hysteresis Boundary for Constant Switching Frequency Current-Error Space-Vector-Based Hysteresis Controller for VSI-Fed IM Drives”, IEEE Trans. Power Electron., vol. 27, no. 3, pp. 1521 - 1529, March 2012. DOI: 10.1109/TPEL.2011.2120624
    10. A. Dey, Rajeevan P. P, Rijil Ramchand, K. Mathew, and K. Gopakumar, “A Space-Vector-Based Hysteresis Current Controller for a General n-Level Inverter-Fed Drive With Nearly Constant Switching Frequency Control”, IEEE Trans. Power Electron., vol. 60, no. 5, pp. 1989 - 1998, May 2013. DOI: 10.1109/TIE.2012.2200217
    11. Pratheesh K J, Jagadanand G, Rijil Ramchand, “A Generalized Switch Matrix Based Space V Vector Modulation Technique using Nearest Level Modulation Concept for Neutral Point Clamped Multilevel Inverters”, IEEE Trans. Ind.  Electron., vol. 65, no. 6, June 2018, pp. 4542 - 4552. DOI: 10.1109/TIE.2017.2772172
    12. Joseph Peter, K P Mohammed Shafi, Lakshmi R and Rijil Ramchand, “Nearly Constant Switching Space Vector based Hysteresis Controller for VSI fed IM Drive”, IEEE Trans. on Ind. Appl. , Vol. 54, No. 4, July/August 2018. , pp. 3360-3371 DOI: 10.1109/TIA.2018.2816561
    13. Joseph Peter, K P Mohammed Shafi, Lakshmi R and Rijil Ramchand, “Online Boundary Computation Using Sampled Voltage Reference for Bus Clamping PWM Based Hysteresis Controlled VSI fed IM Drive”, IEEE Trans. On Power Electron., vol. 35, no. 4, pp. 3939 - 3950, April 2020. DOI: 10.1109/TPEL.2019.2939478
    14. Sandeep J, Ashok S, Rijil Ramchand, “Current Error Space Vector Based Hysteresis Controller for VSI Fed PMSM Drive”, IEEE Trans. on Power Electron., vol. 35, No. 10, pp. 10690-10699, October 2020. DOI: 10.1109/TPEL.2020.2977581
    15. Tarakanath Kobaku, R. Jeyasenthil, Subham Sahoo, Rijil Ramchand, Tomislav Dragicevic, “Quantitative Feedback Design Based Robust PID Control of Voltage Mode Controlled DC-DC Boost Converter”, IEEE Trans. on Circuits and Systems II: Express Briefs, vol. 68, No. 1, pp. 286-290, Jan 2021.  DOI:  10.1109/TCSII.2020.2988319
    16. Sandeep J, Ashok S, Rijil Ramchand, “Analysis of Current Error Space Phasor for a Space Vector Modulated Indirect Matrix Converter”, IEEE Trans. on Ind. Electron., vol. 69, No. 5, pp. 4451-4459, May 2022. DOI: 10.1109/TIE.2021.3078348
    17. Jino M Patteri, Sandeep J, Elizabeth P Cheriyan, Rijil Ramchand, “A Composite Strategy for Improved Power Quality Using Micro Compensators in Secondary Distribution Systems”, IEEE Trans. on Power Del., vol. 37, No. 2, pp. 1027-1035, April 2022. DOI: http://10.1109/TPWRD.2021.307560210.1109/TPWRD.2021.3075602

    IET Papers

    1. Rijil Ramchand, K. Sivakumar, Anandarup Das, Chintan Patel and K. Gopakumar, “Improved Switching Frequency Variation Control of Hysteresis Controlled VSI Fed IM Drives Using Current Error Space Vector”, IET Power Electronics, vol. 3, no. 2, pp. 219-231, March 2010. DOI: 10.1049/iet-pel.2009.0020
    2. Sheron Figarado, Rijil Ramchand, K. Sivakumar, Anandarup Das, Chintan Patel and K. Gopakumar, “A Five-level inverter scheme for an open- end winding Induction machine drive with less number of switches”,  IET Power Electronics, vol. 3, no. 4, pp. 637-647, July 2010. DOI: 10.1049/iet-pel.2009.0058
    3. Sukumar De, Debmalya Banerjee, K. Sivakumar, Rijil Ramchand, Chintan Patel and K. Gopakumar “Multilevel Inverters for Low Power Application”,  IET Power Electronics, vol. 4, no. 4, pp. 384-392, July 2011. DOI: 10.1049/iet-pel.2010.0027
    4. Athira Raju, Elizabeth P Cheriyan, Rijil Ramchand, “Investigations on STATCOM using current error space phasor based modified hysteresis current controller”, IET Generation, Transmission & Distribution, vol. 15, Issue. 6, pp. 1094-1106, March 2021. DOI: 10.1049/gtd2.12083

    EPE Papers

    1. K. Sivakumar, Anandarup Das, Rijil Ramchand, Chintan Patel and K. Gopakumar, “Two Different Schemes for Three-level Voltage Space Vector Generation for Induction Motor Drives with Reduced DC-Link Voltage”, EPE J., vol. 20, no. 1, pp. 5-12, March 2010. DOI: 10.1080/09398368.2010.11463743
    2. K Mathew, Anandarup Das, Chintan Patel, Rijil Ramchand, and K Gopakumar, “An asymmetric cascaded H-Bridge inverters for generating 12-sided polygonal space vector diagrams for motor drives”, EPE J., vol. 21, no. 1, pp. 1 - 8, March 2011. DOI: 10.1080/09398368.2011.11463784

    Other Journal Papers

    1. Joseph Peter, K P Mohammed Shafi and Rijil Ramchand, “Bus Clamping PWM Based Hysteresis Current Controlled VSI fed Induction Motor Drive with Nearly Constant Switching Frequency”, Journal of Power Electronics, Vol. 17, No. 6, November 2017, pp. 1523-1534. DOI: 10.6113/JPE.2017.17.6.1523
    2. Biju K, Rijil Ramchand, “Control strategy for single phase cascaded nine level inverter with sinusoidal pulse width modulation using LPC 1769 ARM Cortex-M3 microcontroller”, International Journal of Power Electronics, Vol. 9, No. 4, 2018, pp. 349-365. DOI: 10.1504/IJPELEC.2018.095081
    3. Pratheesh K J, Jagadanand G, Rijil Ramchand, “A Generalized Space Vector Modulation Scheme Based on Switch Matrix for Cascaded H Bridge Multilevel Inverters”, Journal of Power Electronics, Vol. 18, No. 2, March 2018, pp. 522-532. DOI: 10.6113/JPE.2018.18.2.522
    4. P. S. Ambika, P. K. Rajendra Kumar, Rijil Ramchand, “Vibration signal based condition monitoring of mechanical equipment with scattering transform”, Journal of Mechanical Science and Technology, Vol. 33, Issue.7, July 2019, pp. 3095-3103. DOI: 10.1007/s12206-019-0604-7
    5. P. S. Ambika, P. K. Rajendra Kumar, Rijil Ramchand, “Mode determination in Variational Mode Decomposition and its application in Fault Diagnosis of Rolling Element Bearings”, SN Applied Sciences, 1:1020 September 2019, pp. 3095-3103. DOI: 10.1007/s42452-019-1005-3
    6. Biju K, Rijil Ramchand, “A new space vector pulse width modulation technique for single phase seven level inverter with reduced number of switches”, IETE Journal of Research, Accepted for Publication. DOI: 10.1080/03772063.2019.1664339
    7. Biju K, Rijil Ramchand, “An adaptive control strategy for single‑phase cascaded H‑bridge multilevel inverter under distorted load conditions”, Electrical Engineering, Springer, Jan. 2020. DOI:10.1007/s00202-020-00931-w
    8. Joseph Peter, Sreekar Krishnatheeram, Rijil Ramchand, “Novel Hysteresis Regulation Strategy for a Two level Inverter Fed Induction Motor Drive to Achieve Nearly Constant Switching frequency”, IETE Journal of Research, July 2020. DOI:10.1080/03772063.2020.1787880
    9. Joseph Peter, Rijil Ramchand, “Investigations on Variable and Constant Switching Frequency Hysteresis Controller for VSI fed IM drive”,International Journal of Power Electronics, Vol. 16, No. 1, 2022, pp. 61-79. DOI: 10.1504/IJPELEC.2018.095081
    10. Athira Raju, Elizabeth P Cheriyan, Rijil Ramchand, “Modified hysteresis current controller for cascaded H-Bridge inverter–based STATCOM”, Int. Trans. Electr. Energ. Syst., 2021; e13144. DOI: 10.1002/2050-7038.13144
    11. Joseph Peter, Rijil Ramchand, “Space Vector PWM based Current Error Boundary Investigations for Three Level VSI fed Induction Motor Drive”, Int. Trans. Electr. Energ. Syst., 2021; e13228. DOI: 10.1002/2050-7038.13228

     

    CONFERENCE PUBLICATIONS:

    International Conference Papers

    1. R. Sreerama Kumar, O.Asokan, L Deepa, Rijil Ramchand, "Artificial Neural Network Based Voltage Collapse Proximity Identification”, Proceedings of the Int. Conf. On Computational Intelligence, Robotics and Autonomous Systems (CIRAS 2001),Singapore, 28-30 Nov.2001.
    2. Rijil Ramchand, K. Sivakumar, Anandarup Das, Chintan Patel and K. Gopakumar, “A Hysteresis PWM Controller with Constant Switching Frequency for Two-level VSI fed Drives with Operation Extending to the Six-Step Mode”, PCIM Europe-2009 at Nuremberg, May 12-14, 2009.
    3. Anandarup Das, Rijil Ramchand, K. Sivakumar, Chintan Patel and K. Gopakumar, “A High Resolution Pulse Width Modulation Technique Using Concentric Multilevel Dodecagonal Voltage Space Vector Structures”, ISIE 2009, Seoul Olympic Parktel, Seoul, Korea, July 5-8, 2009. DOI: 10.1109/ISIE.2009.5214289
    4. Anandarup Das, Rijil Ramchand, K. Sivakumar, Chintan Patel and K. Gopakumar, “Multilevel Dodecagonal Space Vector Generation for Open-end Winding Induction Motor Drive Using Conventional Three Level Inverters”, EPE-2009, Barcelona, Spain, September 8-10, 2009.
    5. K. Sivakumar, Anandarup Das, Rijil Ramchand, Chintan Patel and K. Gopakumar, “A Simple Five-Level Inverter Topology for Induction Motor Drive Using Conventional Two-Level Inverters and Flying Capacitor Technique”, IECON-2009, Porto, Portugal, November 3-5, 2009. DOI: 10.1109/IECON.2009.5414692
    6. K. Sivakumar, Anandarup Das, Rijil Ramchand, Chintan Patel and K. Gopakumar, “A Three Level Voltage Space Vector Generation for Open End Winding IM Using Single Voltage Source Driven Dual Two-Level Inverter”,  TENCON-2009, Singapore, November 23-26, 2009. DOI: 10.1109/TENCON.2009.5396225
    7. Anandarup Das, K. Mathew, Chintan Patel, Rijil Ramchand and K. Gopakumar, “Dodecagonal Space Vector Diagram Using Cascaded H-Bridge Inverters”, ISIE 2010, Bari, Italy, July 4-7, 2010. DOI: 10.1109/ISIE.2010.5637384
    8. Rijil Ramchand, Chintan Patel, Anandarup Das, K. Sivakumar,  K. Gopakumar, and L. M. Patnaik “A Current Error Space Vector Based Hysteresis Controller with Constant Switching Frequency and Simple Online boundary Computation for VSI fed IM Drive”, IECON-2010, Phoenix, Arizona, USA, November 7-10, 2010. DOI: 10.1109/IECON.2010.5675056
    9. Rajeevan P. P , K. Sivakumar, Chintan Patel, Rijil Ramchand, and K. Gopakumar, “A Hybrid Seven-level Inverter for IM Drive”, PEDES-2010, New Delhi, India, December 20-23, 2010. DOI: 10.1109/PEDES.2010.5712556
    10. Chintan Patel, Rijil Ramchand, Rajeevan P P, K. Sivakumar, Anandarup Das, K. Gopakumar, and Kazmierkowski, M.P. “Direct torque control scheme of IM drive with 12-sided polygonal voltage space vectors”, EPE-2011, Birmingham, UK, August 30 - September 1, 2011
    11. A. Dey, Rijil Ramchand, Rajeevan P. P, Chintan Patel, K. Mathew, and K. Gopakumar, “Nearly Constant Switching Frequency Hysteresis Current Controller for General n-level Inverter Fed Induction Motor Drive”, IECON-2011, Melbourne, Australia, November 7-10, 2011. DOI: 10.1109/IECON.2011.6120041
    12. Biju K, Rijil Ramchand, “Modeling and simulation of single phase five level inverter fed from renewable energy sources”, 2013 International Conference on Microelectronics, Communications and Renewable Energy (ICMiCR), 4-6 June 2013,Kanjirappally, Kerala, India. DOI: 10.1109/AICERA-ICMiCR.2013.6575996
    13. Biju K, Rijil Ramchand, “Modeling, simulation and implementation of single phase five level inverter fed from renewable energy sources”, ISIE 2014, 1-4 June 2014, Istanbul, Turkey. DOI: 10.1109/ISIE.2014.6864676
    14. Naga Surya Prakash, Rijil Ramchand, “Constant Switching Frequency DTC for Induction Motor fed from Two-level Voltage Source Inverter”, PEDES-2014, Mumbai, India, December 16-19, 2014. DOI: 10.1109/PEDES.2014.7042137
    15. Biju K, Rijil Ramchand, “Modeling and Simulation of a Novel Solar PV/ Battery Hybrid Energy System with a Single Phase Fiveâ€�level Inverter”, IEEE SPICES 2015, 19-21 February 2015, NIT Calicut, India. DOI: 10.1109/SPICES.2015.7091479
    16. Joseph Peter, Rijil Ramchand, “A Current Error Space Phasor Based Hysteresis Controller for Voltage Source Inverter Fed Induction Motor Drive”, IEEE SPICES 2015, 19-21 February 2015, NIT Calicut, India. DOI: 10.1109/SPICES.2015.7091482
    17. Pratheesh K J, Jagadanand G, Rijil Ramchand, “Reduced Current Harmonics in the NPC Inverter with a Novel Space Vector PWM”, IEEE SPICES 2015, 19-21 February 2015, NIT Calicut, India. DOI: 10.1109/SPICES.2015.7091399
    18. Biju K, Rijil Ramchand, “Control of a novel single phase grid connected solar PV/battery hybrid energy system”, ASCC 2015, 31 May - 3 June 2015, Kota Kinabalu, Malaysia. DOI:10.1109/ASCC.2015.7244436
    19. Joseph Peter, Gil D Marques, Rijil Ramchand, “Current error space vector based constant switching frequency hysteresis controller for VSI fed Induction Motor drives”, CPE 2015, 24-26 June 2015, Caparica, Lisbon, Portugal. DOI: 10.1109/CPE.2015.7231081
    20. Pratheesh K J, Jagadanand G, Rijil Ramchand, “An improved space vector PWM method for a three-level inverter with reduced THD”, CPE 2015, 24-26 June 2015, Caparica, Lisbon, Portugal. DOI: 10.1109/CPE.2015.7231067
    21. Joseph Peter, Rijil Ramchand, “Constant switching frequency hysteresis controller for VSI fed Induction Motor drive using current error space phasor approach”, TAP ENERGY 2015, 24-26 June 2015, Amritha, Kollam, Kerala. DOI: 10.1109/TAPENERGY.2015.7229620 
    22. Harish Sudhakaran Nair, Rijil Ramchand, “A new switching algorithm for an AC-AC converter with high frequency link”, IECON 2015, 9-12 November 2015, Yokohama, Japan. DOI: 10.1109/IECON.2015.7392819
    23. Joseph Peter, Rijil Ramchand, “Switching frequency control in current hysteresis VSI fed IM drive using Current Error Space Vector”, INDICON 2015, 17-20 December 2015, Delhi. DOI: 10.1109/INDICON.2015.7443213
    24. Sandeep J, Ashok S, Rijil Ramchand, “Carrier based space vector modulation for Matrix Converters”, ICPEICES 2016, 4-6 July 2016, Delhi. DOI: 10.1109/ICPEICES.2016.7853062
    25. Jino M Patteri, Sandeep J, Elizabeth P Cheriyan, Rijil Ramchand, “Micro compensators for distribution systems” IECON 2016, 24-27 October 2016, Florence, Italy. DOI: 10.1109/IECON.2016.7793545
    26. Joseph Peter, Rijil Ramchand, “Nearly constant switching frequency hysteresis controller for VSI fed IM drives based on Current Error Space Vector”, PEDES 2016, 14-17 December 2016, Thiruvanathapuram. DOI: 10.1109/PEDES.2016.7914330
    27. Sandeep J, Ashok S, Rijil Ramchand, “Online computation of error band for hysteresis current controlled reactive current”, PEDES 2016, 14-17 December 2016, Thiruvanathapuram. DOI: 10.1109/PEDES.2016.7914441
    28. Mohammed Shafi K P, Joseph Peter, Rijil Ramchand, “Space vector based synchronized PWM strategies for field oriented control of VSI fed induction motor”, PEDES 2016, 14-17 December 2016, Thiruvanathapuram. DOI: 10.1109/PEDES.2016.7914336
    29. Pratheesh K J, Jagadanand G, Rijil Ramchand, “A simple and low cost generalised modulation technique for neutral point clamped multilevel inverters”, PEDES 2016, 14-17 December 2016, Thiruvanathapuram. DOI: 10.1109/PEDES.2016.7914364
    30. K P Mohammed Shafi, Joseph Peter, Rijil Ramchand, “Space vector based hybrid PWM for VSI fed variable speed induction motor drives”, INDICON 2016, 16-18 December 2016, Bangalore. DOI: 10.1109/INDICON.2016.7838965
    31. R. Lakshmi, Joseph Peter, K P Mohammed Shafi, Rijil Ramchand, “Improved online current-error boundary computation for switching frequency variation control in hysteresis controlled VSI-Fed IM drives”, ICPEDC 2017, 16-18 March 2017, Chennai. DOI:10.1109/ICPEDC.2017.8081130
    32. Athira Raju, Elizabeth P Cheriyan, Rijil Ramchand, “Analysis and Validation of Reactive Power Compensation by Transformer less Multilevel Inverter using SPWM and Modified SVPWM Strategies” TENSYMP 2017, 14-16 July 2017, Kochi, India. DOI: 10.1109/TENCONSpring.2017.8070104
    33. R. Lakshmi, Joseph Peter, K P Mohammed Shafi, Rijil Ramchand, “Peak-to-peak torque ripple reduction and switching frequency variation control in hysteresis controlled VSI-Fed IM drives”, SPICES 2017, 08-10 August 2017, Kollam. DOI: 10.1109/SPICES.2017.8091312
    34. Sandeep J, Deepthi S Nair, Saly George, Ashok S, Jagadanand G, Rijil Ramchand, “Sensor-less Algorithm for a Hysteresis Current Controlled VSI Fed PMSM Drive”, IECON 2017, 29 October -01 November 2017, Beijing, China.  DOI:10.1109/IECON.2017.8216362 
    35. K P Mohammed Shafi, R. Lakshmi, Joseph Peter, Rijil Ramchand, “Improved switching frequency variation control in hysteresis controlled VSI-fed induction motor drives for reduced line current”, IECON 2017, 29 October - 01 Novemebr 2017, Beijing, China. DOI:10.1109/IECON.2017.8217158 
    36. Ashitha T, Shahin A, Elizabeth P Cheriyan, Rijil Ramchand, “FPGA controlled DSTATCOM under distorted grid condition”, TENCON 2017, 05-08 Novemebr 2017, Penang, Malaysia. DOI:10.1109/TENCON.2017. 8228299
    37. Sreekar Krishnatheeram, Joseph Peter, K P Mohammed Shafi, Rijil Ramchand, “Current error boundary analysis of constant switching frequency voltage controlled three level VSI Fed IM drive”, PICC 2018, 18-20 January 2018, Thrissur. DOI:10.1109/PICC.2018.8384817
    38. Sandeep J, Deepthi S Nair, Saly George, Ashok S, Jagadanand G, Rijil Ramchand, “Performance Comparison of Direct Torque Controlled Permanent Magnet Machines”, IECON 2018, 21-23 October 2018, Washington DC, USA.  DOI: 10.1109/IECON.2018.8591665 
    39. Sreekar Krishnatheeram, Joseph Peter, Rijil Ramchand, “Comparative Analysis of Hysteresis Current Control Strategies to Achieve Nearly Constant Switching Frequency for a Two- Level Inverter Fed IM Drive ”, IECON 2018, 21-23 October 2018, Washington DC, USA.  DOI: 10.1109/IECON.2018.8591750 
    40. Biju K, Rijil Ramchand, “A new control strategy for single phase cascaded H bridge multilevel inverter in stationary reference frame with nonlinear loads”, PEDES 2018, 18-21 December 2018, Madras, India. DOI: 10.1109/PEDES.2018.8707708
    41. Pratheesh K J, Jagadanand G, Biju K, Rijil Ramchand, “Generalized Charge Balancing Scheme for Symmetrical CHB Multilevel Inverters”, PEDES 2018, 18-21 December 2018, Madras, India. 10.1109/PEDES.2018. 8707512
    42. P. S. Ambika, P. K. Rajendra Kumar, Rijil Ramchand, “An Approach to Rolling Bearing Fault Diagnosis using Fractal Descriptors and Regularized Least Squares”, ICACCP 2019, 25-28 February 2019, Gangtok, India. DOI: 10.1109/ICACCP.2019.8882984
    43. Deepa Jose, Jeevamma Jacob, Sanila P, Rijil Ramchand, “Disturbance Observer Based Formation Control Of Multi Agent System”, ICICICT 2019, 5-6 July 2019, Kannur, Kerala, India. DOI: 10.1109/ICICICT46008.2019.8993354
    44. Sajitha M, Rijil Ramchand, “Space Vector PWM Scheme for Three Phase Three Level T-type NPC Inverter”, ICICICT 2019, 5-6 July 2019, Kannur, Kerala, India. DOI: 10.1109/ICICICT46008.2019.8993215
    45. Chitta Ranjan Hotta, Rijil Ramchand, “Performance Comparison of Hysteresis and Fuzzy based Hysteresis Current Controlled VSI Fed IM Drives”, ICCUBEA 2019, 16-18 August 2019, Pune, India. DOI:10.1109/ICCUBEA47591.2019.9129523
    46. V. Vinay Kumar Reddy, A Augustin Gandhiraj, Rijil Ramchand, “MTPA/MTPF Control of Interior Permanent Magnet Synchronous Machine by Estimating Inductances”, PETPES 2019, 29-31 August 2019, NITK Surathkal, Mangalore, India. DOI: 10.1109/PETPES47060.2019.9004034
    47. Neeraja Vijayan, J Sandeep, Rijil Ramchand, “An Arduino based Speed and Rotor Position Measurement Technique for Electric Drives”, PETPES 2019, 29-31 August 2019, NITK Surathkal, Mangalore, India. DOI: 10.1109/PETPES47060.2019.9003851
    48. Biju K, Rijil Ramchand, “A Modified Lyapunov Function Based Control Strategy for Single Phase Cascaded H-bridge Multilevel Inverter with Nonlinear Loads”, IEEE IAS Annual Meeting 2019, 29 September – 3 October 2019, Baltimore, USA. DOI: 10.1109/IAS.2019.8912341
    49. Kumar P Roshan ; Kuruva Veeranna ; Shinto Antony ; S Kumaravel ; Rijil Ramchand, “A Low Cost Development Tool for Educating Electric Machines ”, IECON 2019, 14-17 October 2019, Lisbon, Portugal.  DOI: 10.1109/IECON.2019.8927745
    50. Sajitha M, Sandeep J, Rijil Ramchand, “Comparative Analysis of Different Modulation Techniques for Three Level Three Phase T-type NPC Inverter ”, TENCON 2019, 17-20 October 2019, Kochi, India. DOI: 10.1109/TENCON.2019.8929574
    51. Athira Raju, Elizabeth P Cheriyan, Rijil Ramchand, “Nearly Constant Switching Frequency Hysteresis Current Controller for Multilevel Inverter based STATCOM”, TENCON 2019, 17-20 October 2019, Kochi, India. DOI:10.1109/TENCON.2019.8929458
    52. Aman Harikumar, Rijil Ramchand “Analysis on the Extend of Application of Artificial Neural Networks in Direct Torque Control-Space Vector Modulated Drives”, PESGRE 2020, 2-4 January 2020, Kochi, India. DOI:10.1109/PESGRE45664.2020.9070461
    53. A N Sruthy, Jeevamma Jacob, Rijil Ramchand “PSO Based Integral Backstepping Control for Leader-Follower Quadrotors”, ICISC 2020, 8-10 January 2020, Coimbatore, India. DOI: 10.1109/ICISC47916.2020.9171140
    54. Meria Mathew, Jeevamma Jacob, Rijil Ramchand “Robust Dynamic Formation Acquisition Control for Multi Robotic Vehicles”, ICISC 2020, 8-10 January 2020, Coimbatore, India. DOI: 10.1109/ICISC47916.2020.9171185
    55. Meria Mathew, Jeevamma Jacob, Rijil Ramchand “Formation Acquisition of Multi Robotic Vehicles with Unscented Kalman Filter Based Noise Filtering”, INCET 2020, 5-7 June 2020, Belgaum, India. DOI: 10.1109/INCET49848.2020.9154054
    56. A N Sruthy, Jeevamma Jacob, Rijil Ramchand “Fault Tolerant Controller for Formation Flight of Leader-Follower Quadrotors”, INCET 2020, 5-7 June 2020, Belgaum, India. DOI: 10.1109/INCET49848.2020.9153984
    57. Sanila P, Jeevamma Jacob, Rijil Ramchand “On the design of Kalman Filter-Based Disturbance Observer for Stabilization of Rigid Formations”, IECON 2020, 18-21 October 2020, Singapore. DOI: 10.1109/IECON43393.2020.9254317
    58. Athira Poovathody, Rijil Ramchand “On the design of Kalman Filter-Based Disturbance Observer for Stabilization of Rigid Formations”, PEREA 2020, 27-28 November 2020, Kannur, India. DOI: 10.1109/PEREA51218.2020.9339794
    59. Joseph Peter, Rijil Ramchand, “Vector Control of Space Vector based Hybrid PWM fed IM Drive with reduced torque ripple”, PICC 2020, 17-19 December 2020, Thrissur, India. DOI: 10.1109/PICC51425.2020.9362443
    60. Joseph Peter, Sreekar Krishnatheeram, Rijil Ramchand, “Variable Band Hysteresis Controller Fed IM Drive for Switching Frequency Variation Control”, PEDES 2020, 16-19 December 2020, Jaipur, India.  DOI: 10.1109/PEDES49360.2020.9379366
    61. Sheetal Cyriac, B. Haritha, Tarakanath Kobaku, Rijil Ramchand, “Virtual Impedance-based Stabilization of Dual Active Bridge Converter Cascaded with LC Filter”, PEDES 2020, 16-19 December 2020, Jaipur, India.  DOI: 10.1109/PEDES49360.2020.9379408
    62. Sheetal Cyriac, Tarakanath Kobaku, Rijil Ramchand, “Comparative Analysis of Continuous Time Small Signal Models of Single Phase Shift Modulated Dual Active Bridge Converter”, PEDES 2020, 16-19 December 2020, Jaipur, India.  DOI: 10.1109/PEDES49360.2020.9379792
    63. Anjali Pradeep, Sanila P, Jeevamma Jacob, Rijil Ramchand. “PSO Based Formation Maneuvering with Orientation Control of Multi Robotic Vehicles”, I2CT 2021, 2-4 April 2021, Maharashtra, India. DOI: 10.1109/I2CT51068.2021.9418089

    National Conference Papers

    1. Bhoopendra Kumar Singh, Milind, Rijil Ramchand and V.Ramanarayanan, “Design of Electromagnetic Stirrer”, NPEC-2003, IIT, Bombay, October 16-17, 2003.
    2. Rijil Ramchand, P. N. Tekwani, M. R. Baiju and K. Gopakumar, “An Improved Space Phasor Based Current Hysteresis Controller with Reduced Switching Frequency Variations Using Variable Parabolic Bands”, NPEC-2007, IISc, Bangalore, December 16-19, 2007.
    3. Chintan Patel, Rijil Ramchand, and K. Gopakumar, “A Vector Control for IM Drives using Current Error Space Phasor based Hysteresis Controller without Speed Sensor”, NPEC-2010, IIT, Roorkee, June 10-13, 2010.

    Institute Level

    1. Chairman, ETL (2019-20)

    2. Chairperson PG Admissions (Nov-2015 to Nov-2018)

    3. NBA Co-coordinator

    4. Associate Dean ( R & C ) 

    5. Vice-Chairperson, PG Admissions

    6. Head of the Department (January 2020- January 2022)

    Department Level

      1. Lab in Charge - UG Power Electronics Lab

      2. Member - Examination Cell (EED)

      3. Member - PG Projects Evaluation Committee (Power Electronics)

      4. Class committee Chairman for S6 B. Tech EEE during Winter Semester 2010-11

      5. Class committee Chairman for S8 B. Tech EEE during Winter Semester 2012-13

      6. Class committee Chairman for First Semester M. Tech during Monsoon Semester 2022-23

      7. Faculty in Charge of Time Table