Juntao Yao

Ph.D. Power Electronics and EMI/EMC
University of Florida
juntaoyao@outlook.com

     

About Me

Juntao Yao received the B.S. and M.S. degrees in electrical engineering from Wuhan University, Wuhan, China, in 2013 and 2016, respectively. Advised by Prof. Shuo Wang, he received the Ph.D. degree in electrical engineering from the University of Florida, Gainesville, FL, USA, in 2021.
He has authored and coauthored more than 20 IEEE journal and conference papers and holds 10 U.S./international patents. He was the recipient of the Best Presentation Award in the Applied Power Electronics Conference (APEC) in 2021.
His research interests include power electronics and electromagnetic interference/electromagnetic compatibility (EMI/EMC).

Publications

Research papers

  1. J. Yao, S. Wang, and Z. Luo, "Modeling, Analysis, and Reduction of Radiated EMI Due to the Voltage across Input and Output Cables in an Automotive Non-isolated Power Converter," IEEE Transactions on Power Electronics, vol. 37, no. 5, pp. 5455-5465, 2022. Download
  2. J. Yao, Y. Li, S. Wang, X. Huang, and X. Lyu, "Modeling and Reduction of Radiated EMI in a GaN IC-Based Active Clamp Flyback Adapter," IEEE Transactions on Power Electronics, vol. 36, no. 5, pp. 5440-5449, May 2021. Download
  3. J. Yao, S. Wang and H. Zhao, "Measurement Techniques of Common Mode Currents, Voltages, and Impedances in a Flyback Converter for Radiated EMI Diagnosis," IEEE Transactions on Electromagnetic Compatibility, vol. 61, no. 6, pp. 1997-2005, Dec. 2019. Download
  4. J. Yao, Y. Lai, Z. Ma, and S. Wang, ”Investigation of Noise Spectrum and Radiated EMI in High Switching Frequency Flyback Converters,” in 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), 2021. (Best Presentation Award)
  5. J. Yao, Y. Lai, Z. Ma, and S. Wang, ”Advances in Modeling and Reduction of Conducted and Radiated EMI in Non-isolated Power Converters,” in 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), 2021.
  6. J. Yao, Z. Ma, Y. Lai, and S. Wang, ”A Survey of Modeling and Reduction Techniques of Radiated EMI in Power Electronics,” in 2021 IEEE Symposium on Electromagnetic Compatibility, Signal Integrity and Power Integrity (EMC, SI & PI), 2021.
  7. Y. Lai, J. Yao, S. Wang, Z. Luo, and Y. Li, "Electric Near Field Emission from a 1MHz Power Converter for Electric Vehicles," in 2021 IEEE Energy Conversion Congress and Exposition (ECCE), 2021, pp. 2881-2887.
  8. Z. Ma, J. Yao, S. Wang, H. Sheng, S. Lakshmikanthan, and D. Osterhout, ”Radiated EMI Reduction with Double Shielding Techniques in Active-clamp Flyback Converters,” in 2021 IEEE Symposium on Electromagnetic Compatibility, Signal Integrity and Power Integrity (EMC, SI & PI), 2021.
  9. Z. Ma, J. Yao, Y. Lai, S. Wang, H. Sheng, and S. Lakshmikanthan, ”Investigate and Improve the Distorted Waveforms for Core Loss Measurement with Arbitrary Excitations,” in 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), 2021.
  10. J. Yao, Y. Li, Z. Ma and S. Wang, "Advances of Modeling and Reduction of Conducted and Radiated EMI in Flyback Converters," in 2020 IEEE Energy Conversion Congress and Exposition (ECCE), 2020, pp. 3362-3369.
  11. J. Yao, S. Wang, and Z. Luo, "Near Field Coupling’s Impact on Radiated EMI and Mitigation Techniques for Power Converters in Automotive Applications," in 2020 IEEE Energy Conversion Congress and Exposition (ECCE), 2020, pp. 5882-5889.
  12. J. Yao, S. Wang, and Z. Luo, "Radiated EMI Reduction by Layout Improvement in Power Converters in Automotive Applications," in 2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia), 2020, pp. 1894-1899.
  13. J. Yao, S. Wang, and Z. Luo, "Modeling and Reduction of Radiated EMI in Non-isolated Power Converters in Automotive Applications," in 2020 IEEE Applied Power Electronics Conference and Exposition (APEC), 2020, pp. 385-392.
  14. J. Yao, Y. Li, S. Wang, X. Huang, and X. Lyu, "Analysis and Reduction of Radiated EMI in High-Frequency GaN IC-based Active Clamp Flyback Converters," in 2020 IEEE Applied Power Electronics Conference and Exposition (APEC), 2020, pp. 664-671.
  15. J. Yao, M. El-Sharkh, Y. Li, Z. Ma, S. Wang, and Z. Luo, "Investigation of Radiated EMI in Non-isolated Power Converters with Power Cables in Automotive Applications," in 2019 IEEE Energy Conversion Congress and Exposition (ECCE), 2019, pp. 6957-6964.
  16. Z. Ma, J. Yao, Y. Li, and S. Wang, "Comparative Analysis of Magnetic Core Loss Measurement Methods with Arbitrary Excitations," in 2019 IEEE Energy Conversion Congress and Exposition (ECCE), 2019, pp. 4125-4130.
  17. Y. Li, J. Yao, and S. Wang, "Increase High Frequency Impedance of Ferrite Toroid Inductors Based on Electromagnetic Energy Analysis," in 2019 IEEE Energy Conversion Congress and Exposition (ECCE), 2019, pp. 6184-6191.
  18. J. Yao, Y. Li, H. Zhao, and S. Wang, "Design of CM Inductor Based on Core Loss for Radiated EMI Reduction in Power Converters," in 2019 IEEE Applied Power Electronics Conference and Exposition (APEC), 2019, pp. 2673-2680.
  19. H. Zhao, J. Yao, and S. Wang, "A Universal DM/CM Physical Model for Power Transformer EMI Analysis within both Conducted and Radiated Frequency Ranges," in 2018 IEEE Energy Conversion Congress and Exposition (ECCE), 2018, pp. 6592-6599.
  20. J. Yao, Y. Li, H. Zhao, S. Wang, Q. Wang, Y. Lu, and D. Fu, "Modeling and Reduction of Radiated Common Mode Current in Flyback Converters," in 2018 IEEE Energy Conversion Congress and Exposition (ECCE), 2018, pp. 6613-6620.
  21. J. Yao, S. Wang, H. Zhao, Y. Zhang, Q. Wang, Y. Lu, and D. Fu, "Measurement Techniques of CM Currents, Impedance and Voltages for Radiated EMI in Isolated Power Converters," in 2018 IEEE Symposium on Electromagnetic Compatibility, Signal Integrity and Power Integrity (EMC, SI & PI), 2018, pp. 438-443.
  22. J. Yao, F. Liu, J. Gong, and X. Zha, "Power Recovery and Cost Reduction Oriented Optimization of Regenerative Cells Embedded in Cascaded Multilevel Converter," 2015 IEEE Energy Conversion Congress and Exposition (ECCE), 2015, pp. 5117-5123.
  23. J. Yao, F. Liu, J. Gong, and S. Li, "A Novel Partial Units Energy Feedback Cascaded Multilevel Inverter with Bypass Control," IEEE International Future Energy Electronics Conference (IFEEC), 2013, pp. 494-499.

Patents

  1. S. Wang, J. Yao , and Y. Li, “Common Mode (CM) Electromagnetic Interference (EMI) Filters for Reducing Radiated EMI in Power Converters,” U.S. Patent, App. 17/103,062, 2021. (U.S. Patent, Issued)
  2. Y. Xiong, F. Zhu, J. Yao, H. Yang, and F. Liu. “A Recitifier-fed Cascaded Multilevel Converter for Dual Motor Drive,” China Patent, CN204859024U, Aug. 24, 2015. (Issued)
  3. F. Zhu, Y. Xiong, J. Yao, H. Yang, and F. Liu. “A Symmetrical Three Port Cascaded Power Converter for Dual High Power Motor Drive,” China Patent, CN204906233U, July 28, 2015. (Issued)
  4. F. Liu, J. Yao, Y. Wang, K. Feng, C. Huang, and X. Zha. “A Repetitive Controller with Multiple Internal Models Considering the Frequency Deviation of the Power System,” China Patent, CN104836233A, May. 25, 2015. (Issued)
  5. J. Yao, K. Deng, F. Liu, J. Gong, L. Xiong, and X. Zha. “Hybrid Bidirectional Cells based Regenerative Cascaded Multilevel Converter and the Optimized Configuration of the Regenerative Cells”, China Patent, CN104104240B, July 25, 2014. (Issued)
  6. F. Liu, X. Lai, K. Deng, J. Yao. J. Sun, and Y. Li. “A Solide-state Electronic Switch Based Short Circuit Protection Method for DC Microgrids,” China Patent, CN103928912B, May. 8, 2014. (Issued)
  7. F. Liu, X. Zha, K. Deng, J. Yao, and J. Gong. “A Cascaded Multilevel Converter without Active Front for Dual Motor Drives,” China Patent, CN103944439A, Apr. 28, 2014. (Issued)
  8. J. Yao, G. Huang, C. Liu, W. Lyu, Y. Li, F. Liu, and X. Zha. “A DC Microgrid,” China Patent, CN202586339U, May. 18, 2012. (Issued)
  9. G. Huang, J. Yao, C. Liu, W. Lyu, Y. Li, F. Liu, and X. Zha. “Low-voltage Bipolar DC Micro-power Grid,” China Patent, CN202586340U, May. 18, 2012. (Issued)
  10. J. Sun, X. Zha, Y. Li, W. Lyu, C. Liu, G. Huang, and J. Yao. “A Three Wire DC Microgrid System and Control Method for Modern Buildings,” China Patent, CN102593832B, Mar. 15, 2012. (Issued)

Experience

Doctoral Student and Research Assistant, University of Florida, USA

Power Electronics and EMI

Extensive EMI expertise in isolated and non-isolated power converters, with focuses on automotive DC-DC power converters, flyback power adapters with GaN IC devices.

Sponsors: Monolithic Power Systems, Inc. San Jose, CA, USA & Navitas Semiconductor, Inc. El Segundo, CA, USA

2017- 2021

Master Student and Research Assistant, Wuhan University, China

Power converter control

Extensive researches on cascaded H-bridge power converters, DC microgrid power converters.

2013 - 2016

Undergraduate Student and Research Assistant, Wuhan University, China

Fundamental study on electrical engineering

Sound study on electric engineering theories and hands-on skills.

2009 - 2013

Education

University of Florida, USA

Ph.D.
Investigate EMI solutions for power converters

Sponsors: Monolithic Power Systems, Inc. San Jose, CA, USA & Navitas Semiconductor, Inc. El Segundo, CA, USA

2017- 2021

Wuhan Univeristy, China

M.S. in electrical engineering

Investigate cascaded H-bridge power converters, DC microgrid power converters.

2013- 2016

Wuhan Univeristy, China

B.S. in electrical engineering

GPA: 3.7/4, 89/100

2009- 2013

Skills

  • Power Electronics
  • Electromagnetic Interference
  • ANSYS
  • MATLAB
  • PSPICE
  • Altium Designer

Interests

Apart from being a researcher passionate on power electronics and EMI solutions, I like playing ping pong ball, and enjoy being outdoors, running and hiking.

When working indoors, I listen to Chopin's piano music, follow comic television shows, and I spend a large amount of my free time exploring the latest technology advancements.

Honors & Awards

  • Best Presentation Award, Applied Power Electronics Conference (APEC), 2021
  • Outstanding Master Graduate (Top 3%), Wuhan University, 2016
  • First-class Scholarship, Wuhan University, 2014
  • Exceptional Bachelor Thesis in Hubei Province (Top 2%), Department of Education, Hubei Province, China, 2013
  • Outstanding Bachelor Graduate (Top 3%) , Wuhan University, 2013
  • All-round Excellent Student (Top 5%), Wuhan University, 2012
  • Exemplary Student Leader, Wuhan University, 2012
  • Honorable Mention, US Mathematical Contest in Modeling/Interdisciplinary Contest in Modeling (US ICM/MCM), The Mathematical Association of America, 2012