Vinatha U

Designation: 

Professor

Date of Joining at NITK: 

Friday, September 4, 1992

Professional Experience: 

31 Years

Contact Details

E-mail: 

vinatha.nitk@gmail.com

Alternate E-mail: 

u_vinatha@yahoo.co.in

Telephone: 

+91-824-2473556

Mobile: 

+91-9448895389
Faculty (author) Identifiers

ORCID iD: 

0000-0003-2349-5723

Scopus Author ID: 

57216736738, 24777653000
Academic Background
  • Ph.D (NITK Surathkal)
  • M.Tech (KREC Surathkal, , Mangalore University) 
  • B.Tech (KREC Surathkal, Mangalore University) 
Areas of Interest
  • Power Electronics and Drives
  • Power Electronic Converters in Renewable Systems
  • Mutilevel Inverters
  • Wave Energy Conversion System
Significant Projects

• Augmentation of Machines lab experimental facility for undergraduate core lab at NITK-EED in 2019-20 (10.5 Lakhs).

Supervision of Ph.D
Supervision of PhD:
  • Completed : 04
  • Ongoing : 06 (3 FT and 3 PT)

M.Tech-Research :   

  • Guided/Completed : 01     
  • Ongoing : 01     

M.Tech-Projects:

  • Guided/Completed : 45
  • Ongoing : 01
Significant Publications

Journals:

  1. S. Shetty, S. Mishra and U. Vinatha, "High-Gain Nonisolated DC–DC Converter with Zero Input Current Ripple for Fuel Cell Electric Vehicles,  in IEEE Transactions on Transportation Electrification, Early access.2025, doi: 10.1109/TTE.2025.3646211.

  2. S. Shetty, A. M. Prahllada and U. Vinatha, "Single-Switch Continuous Current High-Gain DC–DC Converter With Common Ground for Vehicular Applications",  in IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 13, no. 6, pp. 7127-7138, Dec. 2025, doi: 10.1109/JESTPE.2025.3591255.

  3. Bharath Y. K., Anandu V. P., Vinatha U., and Sudeep Shetty, (2024), “Long-Term Estimation of SoH Using Cascaded LSTM-RNN for Lithium Batteries Subjected to Aging and Accelerated Degradation”, Energy Storage-Wiley, 6: e70066. Impact factor: 4, Q2, Citations: 8, DOI: 10.1002/est2.70066.

  4.  Bharath Y. K., Anandu V. P., Vinatha U., and Purushothama G. K., (2025), ”Single Port and Multi-Port Self-reconfigurable Battery Topologies for Dynamic Cell Balancing”, Journal of Energy Storage- Elsevier, vol. 119, p.116402. Impact factor: 9.8, Q1, Citations: 1, DOI: 10.1016/j.est.2025.116402.

  5.  Bharath Y. K., Anandu V. P., Vinatha U, "Series-Connected Self-Reconfigurable Battery Topology with Supercapacitor for Dynamic Cell Balancing", Energy Storage- Wiley, 7: e70242. Impact factor: 4, Q2, DOI: 10.1002/est2.70242.

  6. M. Diwakar Naik, U. Vinatha, M. Venkatesha Naik and Praveen Kumar Bonthagorla, “Investigation and Performance Evaluation of Novel Single-Switch High-Gain DC–DC Converters for DC Micro-Grid Applications” IEEE Access, June 2025, DOI: 10.1109/ACCESS.2025.3579261.

  7. Aditya Chandrasekar , Ajeya K , and Vinatha U, “InFLuCs: Irradiance Forecasting Through Reinforcement Learning Tuned Cascaded Regressors”, IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS, VOL. 20, NO. 9, SEPTEMBER 2024, page 10812-10921.doi: 10.1109/TII.2024.3396271.
     
  8. M. Diwakar Naik and U. Vinatha, “A Novel Single-Switch High-Gain DC–DC Converter with Active Switched Inductor”, IEEE Transactions on Circuits and Systems II: Express Briefs (Volume: 71, Issue: 10, October 2024), Page(s): 4581 – 4585.
     
  9. M Diwakar Naik and Vinatha U, “A Novel Dual-Input Single-Output High-Gain DC-DC Converter for Interfacing Fuel-Cell with High-Way Charging Station Applications”, IEEE Transactions on Transportation Electrification, Early access, September 2024.
     
  10. V. N. Jayasankar and U. Vinatha, "Backstepping Controller With Dual Self-Tuning Filter for Single-Phase Shunt Active Power Filters Under Distorted Grid Voltage Condition," in IEEE Transactions on Industry Applications, vol. 56, no. 6, pp. 7176-7184, Nov.-Dec. 2020, doi:10.1109/TIA.2020.3025520.
     
  11. Pavana Prabhu, Vinatha U, “Design of coupled inductors using split winding scheme for bridgeless SEPIC”, IET Power Electronics, vol:13, issue: 7 (2020): pp 1434-1444.
     
  12. Nisha B Kumar and Vinatha Urundady , “Sliding Mode Controller with Integral Action for D C -Link Voltage Control of Grid-Integrated Domestic  Photovoltaic Systems”, Arabian Journal for Science and Engineering, Vol 45(5), pp 6583-6600, DOI 10.1007/s13369-020-04531-5, May 2020.
     
  13. Ramu Srikakulapu and Vinatha U, “Stability Analysis and a Hybrid Controller Design of Grid-Connected Offshore Wind Farm through a VSC-HVDC Transmission Link”, Journal: Asian Journal of Control, Article ID: ASJC2194. Article DOI:10.1002/asjc.2194, 2019.
     
  14. Jayasankar, V.N., Vinatha, U., “Modified Instantaneous Power Theory and Fuzzy Logic Based Controller for Grid-connected Hybrid Renewable Energy System with Shunt Active Power Filter Functionality”, International Journal on Electrical Engineering and Informatics. Vol. 11 No. 2, June 2019.
     
  15. Pavana, Vinatha U, One-Cycle Controlled Bridgeless SEPIC with Coupled Inductors for PAM Control-Based BLDC Drive, Arabian Journal for Science and Engineering, 44, pages 6987–7001, DOI: https://doi.org/10.1007/s13369-019-03740-x,2019.  
     
  16. Jayasankar V N, Vinatha U “Design of Back-stepping Controller for PV-Wind Hybrid System with Grid-interfacing and Shunt Active Filtering Functionality.” International Journal of Power Electronics,Vol.9,No.2,pp.167–188,2018.
     
  17. Jayasankar, V.N., Vinatha, U., "Advanced control approach for shunt active power filter interfacing wind- solar hybrid renewable system to distribution grid."  Journal of Electrical Systems 14(2), pp. 88-102, 2018.
     
  18. Ramu Srikakulapu and Vinatha U, “Optimal Design of Collector Topology for Offshore Wind Farm Based on Ant Colony Optimization with Multiple Travelling Salesmen Problem”, Journal of Modern Power Systems and Clean Energy (MPCE), Springer, pp1-12, 2018.
     
  19. Ramu Srikakulapu and Vinatha U, “New Optimization Approach Based on Ant Colony Optimization with multiple Travelling Salesmen Problem for Optimal Design of Offshore Wind Farm," International Journal of Control Theory and Applications (IJCTA) , March, 2017.
     
  20. Gururaj M V and Dr Vinatha U, “Investigations on interconnection of Wind-Solar Hybrid Renewable Energy Source to the ideal grid at the distribution level together with power quality improvement features” International Journal of Electrical Engineering, (JEE), Romania, Vol.15, No.3, Article no.15.3.33, pp. 260-270, 2015.
     
  21. Vinatha U, Vittal K.P,  “Power Control Strategy for Grid Connected Permanent Magnet Synchronous Generator of a Distributed Generation Unit” Int. J. Power and Energy Conversion, INDERSCIENCE publications,  Vol. 5, No. 3, 2014.
     
  22. Vinatha U, Vittal K.P, “Design and development of wave turbine emulator in the laboratory environment” International Journal of Emerging Electric Power Systems–Berkley press publications - Vol 14, Issue 4, July 2013, pp 363-372.
     
  23. Vinatha U,K P Vittal  “Grid Integration of wind and photovoltaic hybrid energy system”,InternationalJournal of Electrical Engineering: Volume 14 / 2014 - Edition : 2Article no.14.2.28, 227-233.
     
  24. U Vinatha, B Santosh, Control of DC link voltage in an OWC based WEC system for standalone application,  i manager’s Journal on Electrical Engineering, Vol 2, No 1, pp. 1-17, February-April 2014.
     
  25. Nagendra K, Vinatha U, N Krishnamoorthy “ Simulation and performance study of grid connected wind and photovoltaic hybrid energy system” The Journal of CPRI, Vol 10, No 2, June 2014, pp1-10_19.
     
  26. Vinatha U, Vittal K.P, Divya J,  “Isolated Operation of Variable Speed PMSG with Battery Storage System for WECS,” Journal of Electrical and Control Engineering(JECE)- American V-King Scientific Publishing, Vol. 3, No 4, pp. 47-51, 2013.
     
  27. Vinatha U, Vittal K.P,  “Implementation of Turbine Emulator,” International Journal of Electrical Engineering, (JEE), Romania, Vol.11, No.2, Article no.11.2.11, pp. 73-79,  2011.
     
  28. Vinatha U, Vittal K.P,  “ Power control strategy for grid connected permanent magnet synchronous generator for wave energy harnessing,” International Journal of Electrical Engineering, (JEE),  Romania, Vol.11, No.2, Article no.11.2.19, pp. 136-144, 2011.
     
  29. Vinatha U,  Dr.K.P.Vittal,  “Power Control strategy for grid connected variable speed permanent magnet synchronous generator,” i manager’s Journal on Electrical Engineering, Vol 3, No 1, pp. 40-49, July-September 2009.
     
  30. Swetha Pola, Vinatha U, K.P.Vittal, “Four Quadrant Operation & Speed control of BLDC Motor on MATLAB / SIMULINK., NITK Bulletin, Vol.15  No.1, June, 2006, pp23-29.

Conferences Publications: 

  1. Anandu V. P.; Vinatha U.; Bharath Y. K.; Neethu V. S. “Intelligent Rush Hour Management in Metro Station”, 2024 International Conference on Advancements in Power, Communication and Intelligent Systems (APCI),21-22 June 2024, KANNUR, India https://doi.org/10.1109/APCI61480.2024.10617108.
     
  2. Sudeep Shetty, Bharath Y K, Subhasis Mishra,  Vinatha. U.,   Modelling of PEM fuel cells : A Parameterized Approach- 3rd International Conference on Power Electronics, Smart Grid, and Renewable Energy (PESGRE 2023) 17- 20 December 2023, Hotel Hycinth, Trivandrum, Kerala, India
     
  3. Subhasis Mishra, Sudeep Shetty, Vinatha. U., High-gain DC-DC converter with zero input ripple current: Design and Analysis- 3rd International Conference on Power Electronics, Smart Grid, and Renewable Energy (PESGRE 2023) 17- 20 December 2023, Hotel Hycinth, Trivandrum, Kerala, India.
     
  4. M. Diwakar Naik,  Vinatha U, Ripple Current Reduction of Double-Gain SEPIC Converter Using Coupled Inductor, 2022 IEEE International Conference on Power Electronics,Drives and Energy Systems, Malaviya National Institute of Technology Jaipur, 14-17 December 2022. 
     
  5. Dhanush D Shekar, Abhishek C Hiremath, Ajeya Keshava and Vinatha. U.  “Solar Irradiance forecasting using Recurrent Neural Networks” IEEE Region 10 Symposium TENSYMP 2022, Victor Menezes Convention Center, IIT Bombay, Mumbai, Maharashtra, India, 1st to 3rd, July 2022.
     
  6. Amey Vijay Shimpi, Aditya Chandrasekar,Ajeya Keshava and Vinatha. U.  “Support Vector Regression based Forecasting of Solar Irradiance” 2022 IEEE 2ND Asian Conference on Innovation in Technology, Pimpri Chinchwad College of Engineering & Research (PCCOER), Pune, 26th to 28th, August 2022.
     
  7. Keshava Ajeya, Vinatha U, "Control of zeta converter and Hybrid Energy Storage System (HESS) using small signal analysis with state feedback", 2021 6th International Conference for Convergence in Technology (I2CT), Pune, India.
     
  8. Pavana Prabhu and Vinatha U   Pavana, Vinatha U , FPGA based experimental evaluation of BLDC motor drive fed from coupled inductor based bridgeless SEPIC- IEEE International Conference on Power Electronics, Smart Grid and Renewable Energy (PESGRE), 2020.
     
  9. Pavana Bhat, Disha Shetty, Jayasankar VN, Vinatha U, Design and FPGA Implementation of Dual Self-Tuning Filter based Controller for Single Phase Shunt Active Filter, IEEE International Conference on Innovations in Power and Advanced Computing Technologies, i-PACT-2019.22-23 March 2019 Vellore, India,. DOI: 10.1109/i-PACT44901.2019.8960014.
     
  10. Nisha B kumar, Jayasankar VN, Vinatha U, PI Control Based DC Link Voltage Controller for Grid Integrated Domestic Photo Voltaic Systems, IEEE International Conference on Innovations in Power and Advanced Computing Technologies, i-PACT-2019.
     
  11. Sachin, Harsheeta V Morey, Pavana, Vinatha U, TLP 250 opto-coupler based interfacing circuit for FPGA based BLDC motor drive, International Engineering Symposium 2019, Kumamoto university, Japan.
     
  12. Harsheeta V, Sachin, Pavana, Vinatha U, Speed control of BLDC motor using pulse amplitude modulation technique, International Engineering Symposium 2019, Kumamoto university, Japan.
     
  13. Ramu Srikakualpu & Vinatha U, Combined Approach Based on ACO with MTSP for Optimal Internal Electrical System Design of Large Offshore Wind Farm, International Conference on Power, Instrumentation, Control and Computing, PICC 2018.
     
  14. Vinatha U, Jayasankar V N, “Grid connected hybrid wind solar system with shunt active filter functionality under balanced grid voltage condition”, 7th international engineering symposium –IES 2018,March 7-9, Vol E1-2 page 1-6, IES.
     
  15. Ramu Srikakulapu, Vinatha U, “Design of A Hybrid Controller Based on GA-SMC for the Multi-Terminal VSC-HVDC Transmission System”, 2nd IEEE International Conference on Power Electronics, Intelligent Control and Energy Systems (ICPEICES-2018).
     
  16. Jayasankar V N and Vinatha U, Design of Back-stepping Controller for a Three-phase Shunt Active Filter Interfacing Solar Photovoltaic System to Distribution Grid, IEEE Power Electronics, Drives and Energy Systems Conference, (PEDES 2018), 18-21 December, 2018 at Indian Institute of Technology Madras in Chennai, Tamilnadu, India.
     
  17. Sonali maruthi naik, Vinatha U, High Dimensional Filter: A comparative analysis, International Engineering Symposium 2018, Kumamoto university, Japan.
     
  18. Ramu Srikakulapu and Vinatha U, “Combined Approach of Firefly Algorithm with Travelling Salesmen Problem for Optimal Design of Offshore Wind Farm," IEEE PES GM 2017, USA.
     
  19. Ramu Srikakulapu and Vinatha U, A Hybrid Controller Design for VSC-HVDC Transmission System for PMSG Based Offshore Wind Farm” IEEE PES APPEEC, 9th IEEE PES Asia Pacific Power and Energy Engineering conference 2017.
     
  20. Jayasankar V N and Vinatha U, Enhancement of Load Voltage Compensation using Positive Sinusoidal Sequence Regulator in Fuzzy Logic Controlled Three Phase Series Active Filter”. IEEE International Conference on Technological Advancements in Power and Energy (TAP Energy 2017).
     
  21. Sonu Jayachandran, Pavana, Vinatha U, “One Cycle Controlled Bridge-less SEPIC Converter Fed BLDC Motor Drive”, IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems, SPICES 2017, Aug. 8-10, 2017, T.K.M.C.E, Kollam, Kerala, India.
     
  22. Jayasankar V N and Vinatha U, “Grid Connected Hybrid Wind-Solar System with Shunt Active Filter Functionality” 2nd international conference on systems energy and environment ICSEE 2017. Won the best paper award.
     
  23. Pavana, Vinatha U “One Cycle Control Based SEPIC PFC for PAM-BLDC drive” 2nd international conference on systems energy and environment ICSEE 2017.
     
  24. Pavana, Vinatha U, “Speed Control of BLDC motor using Bridgeless SEPIC PFC with Coupled Inductors”, IEEE 11th International Conference on Industrial and Information Systems, ICIIS 2016, Dec. 3-4, 2016, Uttarakhand, India.
     
  25. Ramu Srikakulapu and Vinatha U, " Optimal Design of Collector Topology for Offshore Wind Farm Based on Ant Colony Optimization Approach," PEDES 2016, India.
     
  26. Ramu Srikakulapu and Vinatha U, “New Optimization Approach Based on Ant Colony Optimization with Travelling Salesmen Problem for Optimal Design of Offshore Wind Farm," ICSEG 2016, India.
     
  27. Jayasankar V N and Vinatha U, "Implementation of adaptive fuzzy controller in a grid connected wind-solar hybrid energy system with power quality improvement features," 2016 Biennial International Conference on Power and Energy Systems: Towards Sustainable Energy (PESTSE), Bangalore, 2016, pp. 1-5.
     
  28. Jayasankar V N, Gururaj M V and Vinatha U., "A study on hybrid Renewable Energy Source interface to the non-ideal grid at distribution level with power quality improvements," 2016 IEEE 6th International Conference on Power Systems (ICPS), New Delhi, 2016, pp. 1-5.
     
  29. S. Aravind, U. Vinatha and V. N. Jayasankar, "Wind-solar grid connected renewable energy system with series active self tuning filter," 2016 International Conference on Electrical, Electronics, and Optimization Techniques (ICEEOT), Chennai, India, 2016, pp. 1944-1948.
     
  30. Ramu Srikakulapu and Vinatha Urundady, “Electrical collector topologies for off shore wind power plants –A Survey” IEEE 10th International Conference on Industrial and Information Systems(ICIIS)-2015, held at University of Peradeniya, Sri Lanka.  17-20 December 2015.
     
  31. Gururaj M V, Vinatha U. and Jayasankar V N, "Interconnection of wind-solar hybrid Renewable Energy source to the 3 phase-3 wire distribution system along with power quality improvements at the grid side," 2015 International Conference on Power and Advanced Control Engineering (ICPACE), Bangalore, 2015, pp. 168-172.
     
  32. Gururaj M V and Dr Vinatha U, “Fuzzy controller based interface for hybrid Renewable Energy Source at distribution level with power quality improvements” IEEE International Conference on “Futuristic Trends in Computational analysis and Knowledge management” (INBUSH ERA 2015).
     
  33. Lopsang Sherpa; Vinatha Urundady U; Binod Rai “Hybrid PV/wind energy system with a centralized DC bus architecture and power regulation”  2015 Annual IEEE India Conference (INDICON) Year: 2015 , Pages: 1 - 6, DOI: 10.1109/INDICON.2015.7443171.
     
  34. Vinatha U, Kristen Mario D’souza , Suryakant Shet “Performance Analysis of Multi Step Voltage Source Inverters with Optimised Harmonic Stepped Waveform” i-manager's International Conference on Engineering and Technologies (IICET 2015) Trivandrum, Kerala, India, 10-11 April 2015.
     
  35. Vinatha U, Gururaj MV “Modeling and performance study of grid connected wind and photovoltaic hybrid energy system” , 2nd international conference on advanced trends in engineering and technology (ICATET 2014).-Won the best paper award.
     
  36. Vinatha U, Vittal K.P,  “Control of dc link voltage of a variable speed permanent magnet synchronous generator driven by Well’s turbine” in  Proc. of  IEEE International Conference on Power Electronics and Intelligent Transportation System (PEITS 2010),Shenzhen, November  2010.
     
  37. Jayaraj Joseph, V Jayashankar, Department of Electrical Engineering, Indian Institute of Madras,Chennai,India, Pratulya shivashankar, Vinatha U, Department of electrical engineering, NITK Surathkal. “Measurements for Proof of Concept Validation of a Twin Unidirectional Turbine Wave Energy Plant,” in  Proc. of  IEEE International Conference on Instrumentation and Measurement Technology, Suntec, Singapore, May 2009.
     
  38. Vinatha U, Dr.K.P.Vittal, Swetha Pola,  “Simulation of Four Quadrant Operation & Speed Control of BLDC Motor on MATLAB / SIMULINK” in  Proc. of  IEEE Region 10 conference, TENCON, Hyderabad, 2008.  
     
  39. Vinatha U,  Dr.K.P.Vittal,  “Comparison of various generator topologies for Variable speed Wind turbines  in  Proc. of   National Conference on Advanced Energy Conversion Technologies,  IEEE – AECT, Manipal, India, March 2007.
     
  40. Subbaraju P, Vinatha U, Dr.K.P.Vittal, “Development of numerical frequency relay  for protection of distributed generators against islanding condition  in  Proc. of    National Conference on Advanced Energy Conversion Technologies, IEEE – AECT Manipal, India, 2007.
     
  41. Vinatha U,  Swetha Pola, Dr.K.P.Vittal,  “Recent Developments in Control  Schemes of BLDC Motors,”  in  Proc. of  International Conference on Industrial Technology-  IEEE – ICIT,  Mumbai, India, December 2006.

Book chapter:

FPGA-Based Implementation of Back-stepping Controller for Three-Phase Shunt Active Power Filter Interfacing Solar Photovoltaic System to Distribution Grid, Lecture Notes in Electrical Engineering, Springer Singapore,2021.

Patents :

  1. Indian Patent granted on “Method, System and Apparatus for Forecasting Solar Irradiance on Photovoltaic Panels”. Application number 202241047924, Patent Number 574907, Date of grant 28/11/2025.
     
  2. Indian Patent filed on “Method, System and Apparatus for Forecasting Solar Irradiance on Photovoltaic Panels”. Application number 202241047924dated on 23rd August 2022.
Achievements

 

Achievements:
  1. Enrolled as a Fellow of the Institution with IETE
  2. Class of grade upgraded to Fellow, Institute of Engineers
  3. Best paper awards at the international conference: 02
  4. Elected to the grade of Senior Member by the officers and the board of directors of IEEE in recognition of professional standing in 2014.
  5. Visited, NUS Singapore for research interaction from 10-29th November 2008 through the professional development allowance of the institute.
  6. Life member-ISTE

Award and Recognitions to UG Projects Guided:

  • Three UG students published and presented papers in International Engineering Symposium 2018 and 2019, Kumamoto university, Japan.
  • Two UG students published and presented papers in  IEEE International Conference on Innovations in Power and Advanced Computing Technologies, i-PACT-2019.
  • Four  UG students published  papers in   i-manager's International Conference on Engineering and Technologies (IICET 2015) Trivandrum, Kerala, India, 10-11 April 2015.
  • One student published and presented a paper in  IEEE International Conference on Instrumentation and Measurement Technology, Suntec, Singapore, May 2009, in collaboration with IIT M.
  • Two UG students published and presented papers in IEEERegion 10 Symposium TENSYMP 2022, Victor Menezes Convention Center, IIT Bombay, Mumbai, Maharashtra, India, 1st to 3rd, July 2022.
  • Two UG students published and presented papers in 2022IEEE 2ND Asian Conference on Innovation in Technology Pimpri Chinchwad College of Engineering & Research (PCCOER), Pune, 26th to 28th, August 2022.
  • Publication out of PG research work:  Journal: 0/5  , conference: 08/10

Workshops Conducted:

  • Organized a AICTE sponsored summer school on Emerging trends in energy technologies and management during 11-22nd August 2008.
  • Organized a three-day short term course on Power electronics applications and technology in the present energy scenario during 4-6th March 2015.

Experience in Administrative Positions: 

  • Associate Dean (PG Programs), from May 6, 2024 to May 5, 2026.
  • Professor in charge admissions from November 21, 2023 to 5th May 2024.  
  • Head of the department of E&E: September 2015 to May 2017.  

Curriculum and Lab Development: Augmentation of Electrical machine lab, catering to UG students.