Dr.U.S.RAGUPATHY M.E, Ph.D.
Principal, Nandha Engineering. College
and
Professor, Department of ECE
Email: principal@nandhaengg.org, ragupathy.us@gmail.com
Academic Profile
Ph.D in Information and Communication Engineering, Anna University,
Chennai
M.E (Applied Electronics) from Kongu Engineering College, Perundurai.
B.E (Electrical and Electronics Engineering) from K.S.Rangasamy
College of Technology, Thiruchengode.
Professional Experience
Principal, Nandha Engineering College, Erode (January 2024 onwards
to till date)
Director IQAC. KPR Institute of Engineering and Technology,
Coimbatore (January 2023 – January 2024)
Professor and Chief Coordinator (IQAC and Accreditation), Kongu
Engineering College, Perundurai (July 2020 – January 2023)
Professor and Head, Kongu Engineering College, Perundurai (December 2011 – July 2020)
Associate Professor, Kongu Engineering College, Perundurai (June 2011 – November 2011)
Assistant Professor (Sl.G) , Kongu Engineering College, Perundurai (August 2010 – May 2011)
Assistant Professor, Kongu Engineering College, Perundurai (January
2009– July 2010)
Senior Lecture, Kongu Engineering College, Perundurai (October
2005– December 2008)
Lecture, Kongu Engineering College, Perundurai (November 2000–
September 2005)
Lecture, Nandha Polytecnic College, Perundurai (June 1999–
November 2000)
SCI Indexed Research Articles
1. Rajkumar, R., & Ragupathy, U. S. (2024). Improved harmonic mitigation and power injection technique for solar-fed DG system using GA and PSO. IETE Journal of Research, 1–11. doi:10.1080/03772063.2024.2395447.
2. Selvakarthi, D., & Ragupathy, U. S. (2024). Textile effluent treatments using natural adsorbents and vapor absorption technology: A box behnken design approach. Desalination and Water Treatment, 319(100443), 100443. doi:10.1016/j.dwt.2024.100443.
3. Venkatesan, B., & Ragupathy, U. S. (2024). An investigation on multimodal brain image fusion in the time–frequency domain using wavelet transforms. IETE Journal of Research, 70(6), 5681–5690. doi:10.1080/03772063.2023.2280670.
4. Gavaskar, K., & Ragupathy, U. S. (2023). New approach for improving the performance of dual axis solar tracker with auto cleaning system. Soft Computing, 27(24), 18765–18773. doi:10.1007/s00500-023-09142-4.
5. Venkatesan, B., Ragupathy, U. S., & Natarajan, I. (2023). A review on multimodal medical image fusion towards future research. Multimedia Tools and Applications, 82(5), 7361–7382. doi:10.1007/s11042-022-13691-5.
6. Yuvaraj, K., & S. Ragupathy, U. (2022). Computer aided segmentation and classification of mass in mammographic images using ANFIS. The European Journal for Biomedical Informatics, 9(2), 37-41.
7. Venkatesan, B., & Ragupathy, U. S. (2022). Integrated fusion framework using hybrid domain and deep neural network for multimodal medical images. Multidimensional Systems and Signal Processing, 33(3), 819–834. doi:10.1007/s11045-021-00813-9.
8. Yuvaraj, K., & S. Ragupathy, U. (2022). Hybrid active contour mammographic mass segmentation and classification. Computer Systems Science and Engineering, 40(3), 823–834. doi:10.32604/csse.2022.018837.
9. Gavaskar, K., Ragupathy, U. S., Elango, S., Ramyadevi, M., & Preethi, S. (2022). A novel design and implementation of IoT based real-time ATM surveillance and security system. Advances in Computational Intelligence, 2(1). doi:10.1007/s43674-021-00007-7.
10. Gavaskar, K., Ragupathy, U. S., Elango, S., Ramyadevi, M., & Preethi, S. (2022). A novel design and implementation of IoT based real-time ATM surveillance and security system. Advances in Computational Intelligence, 2(1). doi:10.1007/s43674-021-00007-7.
11. Vadivel, S., & Ragupathy, U. S. (2021). Modeling and design of high performance converters for optimal utilization of interconnected renewable energy resources to micro grid with GOLRS controller. International Journal of Control, Automation, and Systems, 19(1), 63–75. doi:10.1007/s12555-019-0498-2.
12. Jayashree, P., & Ragupathy, U. S. (2021). Segmentation of cartilage in knee magnetic resonance images using Gabor and matched filter and classification of osteoarthritis using adaptive neuro-fuzzy inference system. International Journal of Biomedical Engineering and Technology, 37(3), 290. doi:10.1504/ijbet.2021.119929.
13. Vadivel, S., & Ragupathy, U. S. (2021). Modeling and design of high performance converters for optimal utilization of interconnected renewable energy resources to micro grid with GOLRS controller. International Journal of Control, Automation, and Systems, 19(1), 63–75. doi:10.1007/s12555-019-0498-2.
14. Murugasami, R., & Ragupathy, U. S. (2020). Performance analysis of clock pulse generators and design of low power area efficient shift register using multiplexer based clock pulse generator. Microelectronics Journal, 105(104891), 104891. doi:10.1016/j.mejo.2020.104891.
15. Murugan, G. V. K., & Uthandipalayam Subramaniyam, R. (2020). Performance analysis of image steganography using wavelet transform for safe and secured transaction. Multimedia Tools and Applications, 79(13–14), 9101–9115. doi:10.1007/s11042-019-7507-6.
16. Gavaskar, K., Ragupathy, U. S., & Malini, V. (2019). Proposed design of 1 KB memory array structure for cache memories. Wireless Personal Communications, 109(2), 823–847. doi:10.1007/s11277-019-06593-7.
17. Gavaskar, K., Ragupathy, U. S., & Malini, V. (2019). Design of novel SRAM cell using hybrid VLSI techniques for low leakage and high speed in embedded memories. Wireless Personal Communications, 108(4), 2311–2339. doi:10.1007/s11277-019-06523-7.
18. Gavaskar, K., & Ragupathy, U. S. (2019). Low power self-controllable voltage level and low swing logic based 11T SRAM cell for high speed CMOS circuits. Analog Integrated Circuits and Signal Processing, 100(1), 61–77. doi:10.1007/s10470-018-1277-3.
19. Murugasami, R., & Ragupathy, U. S. (2019). Design and comparative analysis of D-Flip-flop using conditional pass transistor logic for high-performance with low-power systems. Microprocessors and Microsystems, 68, 92–101. doi:10.1016/j.micpro.2019.05.004.
20. Gavaskar, K., & Ragupathy, U. S. (2019). Low power self-controllable voltage level and low swing logic based 11T SRAM cell for high speed CMOS circuits. Analog Integrated Circuits and Signal Processing, 100(1), 61–77. doi:10.1007/s10470-018-1277-3.
21. Gavaskar, K., Ragupathy, U. S., & Malini, V. (2019). Design of novel SRAM cell using hybrid VLSI techniques for low leakage and high speed in embedded memories. Wireless Personal Communications, 108(4), 2311–2339. doi:10.1007/s11277-019-06523-7.
22.Surendar, & Ragupathy. (2019). Implementation of new high efficient input parallel output series partial power DC-DC converter for solar photovoltaic partial shading conditions. Journal of Vibroengineering, 21(3), 760–775. doi:10.21595/jve.2019.20589.
23.Uthirasamy, R., Kumar Chinnaiyan, V., Ragupathy, U. S., & Karpagam, J. (2018). Investigation on three‐phase seven‐level cascaded DC‐link converter using carrier level shifted modulation schemes for solar PV system applications. IET Renewable Power Generation, 12(4), 439–449. doi:10.1049/iet-rpg.2017.0360.
24.Gavaskar, K., & Ragupathy, U. S. (2017). An efficient design and analysis of low power SRAM memory cell for ULTRA applications. Asian journal of research in social sciences and humanities, 7(1), 962-975.
25.Srinivasan, M., Ragupathy, U. S., & Raymon, A. (2017). Enhancement of critical parameters of natural ester liquids using SiO2 insulating nanoparticle. Journal of Computational and Theoretical Nanoscience, 14(10), 4649–4654. doi:10.1166/jctn.2017.6875.
26.Kumar, M. G. V., & Ragupathy, U. S. (2016, March). A Survey on current key issues and status in cryptography. 2016 International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET). Presented at the 2016 International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET), Chennai, India. doi:10.1109/wispnet.2016.7566121.
27.Kumar, M. G. V., & Ragupathy, U. S. (2016, March). A Survey on current key issues and status in cryptography. 2016 International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET). Presented at the 2016 International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET), Chennai, India. doi:10.1109/wispnet.2016.7566121
28.Uthirasamy, R., & Ragupathy, U. S. (2015). Design and experimentation of Boost Cascaded DC link inverter for domestic UPS applications. Journal of Circuits Systems and Computers, 24(10), 1550156. doi:10.1142/s021812661550156x .
29.Uthirasamy, R., Ragupathy, U. S., & Kumar Chinnaiyan, V. (2015). Structure of boost DC‐link cascaded multilevel inverter for uninterrupted power supply applications. IET Power Electronics, 8(11), 2085–2096. doi:10.1049/iet-pel.2014.0746.
30.Uthirasamy, R., Ragupathy, U. S., & Chinnaiyan, V. K. (2015). Structure of boost DC-link cascaded multilevel inverter for uninterrupted power supply applications, IET Power Electronics. Online, 7, 1-12.
31.Uthirasamy, R., Ragupathy, U. S., Chinnaiyan, V. K., & Megha, C. (2014). Experimentation of boost chopper interfaced cascaded multilevel inverter topology for photo voltaic applications. Int. Rev. Electr. Eng, 1(2).
32.Ragupathy, U. S., Tamilarasi, A., & Thangavel, K. (2013). Investigation on mammographic image compression and microcalcification analysis using multiwavelets and neural networks. Applied Artificial Intelligence: AAI, 27(2), 77–85. doi:10.1080/08839514.2013.760403.
Scopus Indexed Research Articles
1. Uthirasamy, R., & Ragupathy, U. S. (2013, January). Design and realization of maximum boost Z-Source Inverter for solar power applications. 2013 IEEE International Conference on Electronics, Computing and Communication Technologies. Presented at the 2013 IEEE International Conference on Electronics, Computing and Communication Technologies (CONECCT), Bangalore, India. doi:10.1109/conecct.2013.6469284
2. Uthirasamy, R., Ragupathy, U. S., & Mithra, R. (2013). Enhancement of Cascaded Multilevel Inverter for Solar Power Applications. International Journal of Computational Intelligence and Informatics, 2(4), 256-262.
3. Ragupathy, U. S., Venkatesan, B., & Sasikkannan, P. T. (2013). Fault identification and classification in textile web materials using particle analyzer. In 3rd International Conference on Intelligent Computational Systems (ICICS'2013) April (pp. 29-30).
4. Venkatesan, B., Ragupathy, U. S., Vidhyalakshmi, P., & Vinoth, B. (2012, December). Inspection of faults in textile web materials using wavelets and ANFIS. 2012 International Conference on Machine Vision and Image Processing (MVIP). Presented at the 2012 International Conference on Machine Vision and Image Processing (MVIP), Coimbatore, Tamil Nadu, India. doi:10.1109/mvip.2012.6428792.
5. Aarthy, K.P., Ragupathy, U. S., (2012). Detection of Lung Nodule Using Multiscale Wavelets and Support Vector Machine. International Journal of Soft Computing and Engineering (IJSCE), 2(3), 32-36.
6. Ragupathy, U. S., & Kumar, A. S. (2012, February). Investigation on mammographic image compression and analysis using multiwavelets and neural network. 2012 International Conference on Biomedical Engineering (ICoBE). Presented at the 2012 International Conference on Biomedical Engineering (ICoBE), Penang, Malaysia. doi:10.1109/icobe.2012.6178947
7. Ragupathy, U. S., Tamilarasi, A., & Pandian, S. C. (2012). Improved Techniques for Mammographie Image Compression using Balanced Multiwavelet Block Tree Coding. IETE Journal of Research, 58(1), 13–19. https://doi.org/10.4103/0377-2063.94078
8. US Ragupathy, Suji Prasad SJ, B Venkatesan, T Abirami, D Vijay Anand, A Jeevanantham., (2023). Understanding Knowledge Domain in Outcome Based Education Through Cooperative Learning Method. Journal of Engineering Education Transformations, 36(4), 7-12.
9. Gavaskar, U, R., Ravivarma, & P, P. (2022). AES algorithm using dynamic shift rows, sub bytes and mix column operations for systems security wih optimal delay. doi:10.21203/rs.3.rs-1973978/v1.
10.Gavaskar, K., Ragupathy, U. S., Malathi, D., & Ravivarma, G. (2018, December). Design of novel SRAM cell using hybrid VLSI techniques for low power and high speed in embedded memories. 2018 International Conference on Intelligent Computing and Communication for Smart World (I2C2SW). Presented at the 2018 International Conference on Intelligent Computing and Communication for Smart World (I2C2SW), Erode, India. doi:10.1109/i2c2sw45816.2018.8997525.
11.Srinivasan, M., Ragupathy, U. S., Sindhuja, K., & Raymon, A. (2016). Investigation and performance analysis of nanoparticles and antioxidants based natural ester. Int. J. Adv. Eng. Technology, 1000, 1007.
12.Uthirasamy, R., Ragupathy, U. S., & Naveen, R. (2015). Structure of 15-level sub-module cascaded H-Bridge Inverter for speed control of AC drive applications. International Journal of Power Electronics and Drive Systems (IJPEDS), 5(3), 404. doi:10.11591/ijpeds.v5.i3.pp404-414.
13.Uthirasamy, R., Ragupathy, U. S., & Mithra, R. (2015). Design and investigation of solar powered soft switched Z-source inverter. In Lecture Notes in Electrical Engineering. Lecture Notes in Electrical Engineering (pp. 121–129). doi:10.1007/978-81-322-2119-7_13.
14.Gavaskar, K., & Ragupathy, U. S. (2014, March). An efficient design and comparative analysis of low power memory cell structures. 2014 International Conference on Green Computing Communication and Electrical Engineering (ICGCCEE). Presented at the 2014 International Conference on Green Computing Communication and Electrical Engineering (ICGCCEE), Coimbatore, India. doi:10.1109/icgccee.2014.6922280
15.Uthirasamy, R., Ragupathy, U. S., Megha, C., & Mithra, R. (2014, March). Design and analysis of three phase modified cascaded multilevel inverter for PV applications. 2014 International Conference on Green Computing Communication and Electrical Engineering (ICGCCEE). Presented at the 2014 International Conference on Green Computing Communication and Electrical Engineering (ICGCCEE), Coimbatore, India. doi:10.1109/icgccee.2014.6922441
Book Chapter Publication
1 Naveen, P., Maheswar, R., & Ragupathy, U. S. (2025, January 10). Smart cities and digital twins. Digital Twins and Cyber security, pp. 415–440. doi:10.1002/9781394272501.ch12
2 Naveen, P., Maheswar, R., & Ragupathy, U. S. (2025, January 10). Securing communication in digital twins. Digital Twins and Cyber security, pp. 351–358. doi:10.1002/9781394272501.ch9
3 Naveen, P., Maheswar, R., & Ragupathy, U. S. (2025, January 10). Securing data in digital twins. Digital Twins and Cyber security, pp. 241–308. doi:10.1002/9781394272501.ch6
4 Naveen, P., Maheswar, R., & Ragupathy, U. S. (2025, January 10). Understanding digital twins. Digital Twins and Cyber security, pp. 15–79. doi:10.1002/9781394272501.ch2
5 Naveen, P., Maheswar, R., & Ragupathy, U. S. (2025, January 10). Future trends and challenges. Digital Twins and Cyber security, pp. 449–462. doi:10.1002/9781394272501.ch14
6 Naveen, P., Maheswar, R., & Ragupathy, U. S. (2025, January 10). Threat detection and incident response. Digital Twins and Cyber security, pp. 331–349. doi:10.1002/9781394272501.ch8
7 Naveen, P., Maheswar, R., & Ragupathy, U. S. (2025, January 10). Cybersecurity framework for digital twins. Digital Twins and Cyber security, pp. 169–239. doi:10.1002/9781394272501.ch5
8 Naveen, P., Maheswar, R., & Ragupathy, U. S. (2025, January 10). Digital twin architecture. Digital Twins and Cyber security, pp. 113–167. doi:10.1002/9781394272501.ch4
9 Naveen, P., Maheswar, R., & Ragupathy, U. S. (2025, January 10). Industrial applications of digital twins. Digital Twins and Cyber security, pp. 369–413. doi:10.1002/9781394272501.ch11
10 Naveen, P., Maheswar, R., & Ragupathy, U. S. (2025, January 10). Privacy considerations. Digital Twins and Cyber security, pp. 359–368. doi:10.1002/9781394272501.ch10
11 Naveen, P., Maheswar, R., & Ragupathy, U. S. (2025, January 10). The importance of cybersecurity. Digital Twins and Cybersecurity, pp. 81–111. doi:10.1002/9781394272501.ch3
12 Naveen, P., Maheswar, R., & Ragupathy, U. S. (2025, January 10). Authentication and access control. Digital Twins and Cyber security, pp. 309–330. doi:10.1002/9781394272501.ch7
Consultancy work
1 Conducted training sessions on Digital Signal Processing for employees of Tamil Nadu Electricity Board (TNEB).
Professional Society Membership
1 ISTE Life Member (LM51661)