UT Electical Engineering and Computer Science : Welcome to the University of Toledo Department of Electrical Engineering and Computer Science.

Dr. Krishna, Shenai

Professor

Contacts

EECS Department
Mail Stop 308
University of Toledo,
Toledo, OH 43606.

Tel: (419) 530-8144
Office: NI 2065
E-mail:
Personal web site

Research Interests

Dr. Shenai is regarded as one of the leading international authorities on power semiconductor materials and devices, and power electronics circuits. His other research interests are RF/microwave power amplifiers, low-power mixed signal ICs, chip-scale power management, smart sensors, wireless sensor networks, and development of biomedical instrumentation including minimally invasive robotic surgical systems.

Brief Biography

Dr. Shenai has over 30 years of combined industry, research, academic, consulting and entrepreneurial experience. His research is primarily focused on the physics and technology of semiconductor devices and circuits, and their applications in electrical signal and power processing systems. Dr. Shenai has made seminal contributions to power semiconductor materials, devices and circuits. He is best known for pioneering semiconductor metallization, low-voltage discrete power MOSFETs, synchronous rectifiers, high-density power supplies, wide bandgap semiconductor materials and power devices, soft-switching power devices, high-density power converters, and power semiconductor reliability. For his contributions, Dr. Shenai has received many teaching, research and professional awards. He is a Fellow of IEEE, a Fellow of AAAS, a Fellow of IETE (India), a Distinguished Lecturer of IEEE Electron Devices Society, University Scholar of the University of Illinois, and a member of the Serbian Academy of Engineering. Dr. Shenai is a named inventor in 12 issued US patents and 40+ international patents, and has authored or co-authored over 350 peer-reviewed publications, mostly in IEEE journals and conferences. He has also contributed to 10 invited book chapters and edited 4 books. Dr. Shenai is a seasoned entrepreneur and has founded and managed two venture-financed startup companies to successful liquidation events.

Selected Recent Patents and Publications

Patent Applications

• US Patent Application US 12/040553 filed on February 29, 2008: S. Mukhopadhyay, K. Shenai, R. K. Roy, and N. Jack, "Technique and Architecture for Cognitive Coordination of Resources in a Distributed Network."
• US Patent Application US 11/763961 filed on June 15, 2007: N. Jack and K. Shenai, "Methods and Systems for Wireless Communication by Magnetic Induction."
• US Provisional Patent Application Serial # 61/332,290 filed May 7, 2010: K. Shenai, A. Biyani, V. Goel, V. Devabhaktuni and B. Lilly, "Method and Apparatus for Performing Highly Accurate Surgery."
• US Patent Application US 2010/0167820 filed December 29, 2009: H. Barakat, B. Lilly and K. Shenai, "Human Interface Device."

Publications

(i) Energy Generation and Smart Grid Technologies

• S. Sen, A. Sokolow, R. P. Simion, D. Sun, R. L. Doney, M. Nakagawa, J. H. Agui, Jr. and K. Shenai, “Ocean waves, mechanical impulses and electrical energy: concept of a simple conversion process,” International Conference on Advances in Energy Research, 2007, pp 329-334.
• K. Shenai, “Cognitive Power Grid – an Intelligent Electric Energy Management System to Fuel Global Information Economy,” in Digest of IEEE Electrical Power Conference 2007, October 25-26, 2007, Montreal, Quebec, Canada (invited keynote paper).

(ii) Energy Conversion and Power Management

• S. Abedinpour and K. Shenai, "Insulated Gate Bipolar Transistor," Chapter 5 in Microelectronic Circuits: Analysis & Design, 2nd Edition, Edited by Muhammad Rashid, Elsevier, ISBN-10: 0495667722, ISBN- 13: 9780495667728, 2010 (invited book chapter).
• K. Shenai, G. Bernstein, H. Xing and J. Wu, "Advanced Chip-Scale Integration of High-Efficiency DC/DC Power Converters," presented at the IEEE NAECON Conference, Dayton, OH, July 14-16, 2010 (also to appear in the Proceeding of 2010 IEEE NAECON Conference).
• K. Shenai, K. Shah and H. Xing, "Performance Evaluation of Silicon and Gallium Nitride Power FETs for DC/DC Power Converter Applications," presented at the IEEE NAECON Conference, Dayton, OH, July 14-16, 2010 (also to appear in the Proceeding of 2010 IEEE NAECON Conference).
• K. Shenai, "Reliability of Wide Bandgap Semiconductor Power Switching Devices," presented at the IEEE NAECON Conference, Dayton, OH, July 14-16, 2010 (also to appear in the Proceeding of 2010 IEEE NAECON Conference).

(iii) Cognitive Sensor Networks

• L. E. Gilcrist, G. S. Baker, S. Swaminathan, D. P. Visco, R. Bharadwaj, S. Mukhopadhyay, K. Shenai and S. Sen, “Acoustic interrogation of soil and possible remote detection of shallow buried inclusions,” IEEE Northeast Workshop on Circuits and Systems (NEWCAS), 2007, pp. 758-761.
• K. Shenai and S. Mukhopadhyay, “Cognitive Sensor Networks,” in Dig. IEEE Int. Conf. Microelectronics (MIEL), pp. 315-320, May 11-14, 2008 (invited paper).
• R. Bharadwaj, S. Mukhopadhyay, M. Peralta, K. Shenai and S. Majumder,” Cognitive Distributed Networks in Environmental e-Science,” Proc. IEEE International Workshop on Future Trends of Distributed Computing Systems (FTDCS), 2008, pp. 192-198.
• R. Bharadwaj, S. Mukhopadhyay, M. Peralta, K. Shenai, and S. Majumder, “Cognitive Distributed Networks in Environmental e-Science,” in Digest of 12th IEEE Int. Workshop on Future Trends of Distributed Computing Systems, pp. 192-196, October 21-23, 2008, Kunming, China.
• K. Shenai, “Smart Sensing and Monitoring of Ecosystem Dynamics,” in Digest of EnviroEnergy2009, March 19-22, 2009, Chandigarh, India (invited plenary paper).
• M. Peralta, S. Mukhopadhyay, R. Bharadwaj and K. Shenai “Cognitive Networks,” Chapter 12, in Selected Topics in Communication Networks and Distributed Systems, S. Misra, S. C. Misra and I. Woungang, Editors, World Scientific Publishing Company, Singapore, vol. B793, May 23, 2009 (invited book chapter).
• B. R. Lilly and K. Shenai, "Wireless Sensor Networks with Embedded Intelligence for Agricultural Applications," in Proceedings of the 27th IEEE International Conference on Microelectronics (MIEL 2010), Nis, Serbia, May 16-19, 2010, pp. 311-314.
• B. R. Lilly and K. Shenai, "Secure and Adaptive Infrastructure for Large-Scale Sensing Applications," presented at the IEEE NAECON Conference, Dayton, OH, July 14-16, 2010 (also to appear in the Proceeding of 2010 IEEE NAECON Conference).

(iv) Low-Power Soil and Water Sensors

• N. Jack and K. Shenai, “Magnetic Induction IC for Wireless Communication in RF-Impenetrable Media,” IEEE Workshop on Microelectronics and Electron Devices (WMED), 2007, pp.47-48.
• S. B. Jones and K. Shenai, “Subsurface measurement needs for ecological, hydrological and agricultural applications,” IEEE Midwest Symposium on Circuits and Systems (MWSCAS), 2007, pp. 754-757.
• P. Boyapati and K. Shenai, “Wireless Soil Moisture Sensor,” in Digest of EnviroEnergy2009, March 19-22, 2009, Chandigarh, India.
• P. Boyapati and K. Shenai, “Wireless Soil Electrical Conductivity Sensor,” in Digest of EnviroEnergy2009, March 19-22, 2009, Chandigarh, India.

(v) Biomedical Instrumentation and Robotic Surgery

• B. R. Lilly, K. Shenai, V. Goel and A. Biyani, "Robotic Surgical System Integrated with Advanced Electronic Tracking," in Proceedings of the 27th IEEE International Conference on Microelectronics (MIEL 2010), Nis, Serbia, May 16-19, 2010, pp. 319-322.
• B. R. Lilly, K. Shenai, V. Goel and A. Biyani, "Robotic Surgical System Utilizing FE Model Coupled with Ultrasonic Tracking," in Proceedings of 2010 IEEE International 53rd Midwest Symposium on Circuits and Systems, Seattle, WA, August 1-4, 2010, pp. 997-1000.