Bradley Lehman

Professor,  Electrical and Computer Engineering

Contact

Social Media

Office

  • 421 Dana Research Center
  • 617.373.3052

Research Focus

Power electronics, dc-dc converters, pulse width modulation, motion control, electric motor drives, analog circuits, control theory, differential equations, time delays, nonlinear systems and control, industrial control

About

Brad Lehman received the B.E.E. from Georgia Institute of Technology, Atlanta, the M.S.E.E. from University of Illinois at Champaign-Urbana, and the Ph.D. E.E. from Georgia Institute of Technology in 1987, 1988, and 1992, respectively.

Dr. Lehman is presently a Professor in the Department of Electrical and Computer Engineering at Northeastern University and previously was a Hearin Hess Distinguished Assistant Professor at Mississippi State University. Dr. Lehman was previously an NSF Presidential Faculty Fellow. He also was a recipient of an Alcoa Science Foundation Fellowship and previously was a visiting scientist at MIT.

Professor Lehman serves as an Associate Editor of the IEEE Transactions on Power Electronics, and from 1993-1997, served as an Associate Editor for the IEEE Transactions on Automatic Control. Dr. Lehman performs research in the areas of power electronics, electric motor drives, and control. A primary focus of his research is in the modeling, design and control of DC-DC converters.

Education

  • PhD, Georgia Institute of Technology, 1992. Joined Northeastern in 1995.

Honors & Awards

  • 2020 Fellow of IEEE Power Electronics Society
  • IEEE Modeling and Control Technical Achievement Award of the IEEE Power Electronics Society
  • IEEE Standards Medallion
  • IEEE PELS Harry A. Owen, Jr. Distinguished Service Award
  • IEEE Award for Achievement in Power Electronics Standards, Princeton Review: The 300 Best Professors
  • National Science Foundation Young Investigator Award

Research Overview

Power electronics, dc-dc converters, pulse width modulation, motion control, electric motor drives, analog circuits, control theory, differential equations, time delays, nonlinear systems and control, industrial control

Power and Electronics Research Group

Merging fundamental research with real world applications, our research group attempts to improve the performance and reliability of high-frequency switch-mode converters and renewable energy systems.

Selected Research Projects

  • Arc Fault Protection in Solar PV Systems
    • – Principal Investigator, Mersen Corporation
  • S-STEM: Student-Pathways Opening World Engineering Resources
    • – Principal Investigator, National Science Foundation

Department Research Areas

Selected Publications

  • Johnson, C., Zhang, X., Li, D., del Real, R. P., Pakdelian, S., Vázquez, M., Lewis, L. H., Lehman, B. (2021). On the path to novel magnetic cores: Electromagnetic simulations of amorphous magnetic microwires for inductive applications. AIP Advances, 11(1),015211. 10.1063/9.0000205
  • Khodabandeh, Masih, Lehman, BradAmirabadi, Mahshid (2021). A highly reliable single-phase ac to three-phase ac converter with a small link capacitor. IEEE Transactions on Power Electronics, 36(9),10051-10064. 10.1109/TPEL.2021.3066621
  • Boggarapu, Pradeep Kumar, Manickam, Chakkarapani, Lehman, Brad, ganesan, Saravana Ilango, Chilakapati, Nagamani (2020). Identification of Pre-existing/Undetected Line-to-Line Faults in PV Array Based on Preturn on/off Condition of the PV Inverter. IEEE Transactions on Power Electronics, 35(11),11865-11878. 10.1109/TPEL.2020.2987856
  • Kim, Jonathan Chanki, Neacsu, Dorin O., Ball, Roy, Lehman, Brad (2020). Clearing Series AC Arc Faults and Avoiding False Alarms using Only Voltage Waveforms. IEEE Transactions on Power Delivery, 35(2),946-956. 10.1109/TPWRD.2019.2931276
  • X. Zhang, Y. Li, S. Lu, H.F. Hamann, B. Hodge, B. Lehman, A Solar Time Based Analog Ensemble Method for Regional Solar Power Forecasting, IEEE Transactions on Sustainable Energy, 10(1), 2019, 268-279
  • M. Matam, V.R. Barry, B. Lehman, Performance Improvement of Dynamic PV Array Under Partial Shade Conditions Using M2 Algorithm, IET Renewable Power Generation, 13(8), 2019, 1239-1249
  • A.A. Stonier, B. Lehman, An Intelligent Based Fault Tolerant System for Solar Fed Cascaded Multilevel Inverters, IEEE Transactions on Energy Conversion, 33(3), 2018, 1047-1057
  • D.T. Khanmiri, R. Ball, B. Lehman, Degradation Effects on Energy Absorption Capability and Time to Failure of Low Voltage Metal Oxide Varistors, IEEE Transactions on Power Delivery, 32(5), 2017, 2272-2280
  • M. Forouzesh, Y.P. Siwakoti, S.A. Gorji, F. Blaabjerg, B. Lehman, Step-Up DC–DC Converters: A Comprehensive Review of Voltage-Boosting Techniques, Topologies, and Applications, IEEE Transactions on Power Electronics, 32(12), 2017, 9143-9178

Faculty

Feb 26, 2024

Northeastern Among Top 100 Universities for Utility Patents

Northeastern University, recognized for its excellence in innovation and entrepreneurship, has once again been named one of the top 100 universities worldwide for securing utility patents by the National Academy of Inventors.

Faculty

Dec 07, 2023

2023 Stanford University Annual Assessment of Author Citations

The following COE professors are among the top scientists worldwide selected by Stanford University representing the top 2% of the most-cited scientists with single-year impact in various disciplines. The selection is based on the top 100,000 by c-score (with and without self-citations) or a percentile rank of 2% or above. The list below includes those […]

Bradley Lehman

Faculty

Sep 28, 2023

Detecting Arc Faults in Photovoltaic Systems

ECE Professor Bradley Lehman was awarded a patent for “Arc fault detection based on photovoltaic operating characteristics and extraction of pink noise behavior.”

Bradley Lehman

Faculty

Feb 15, 2023

Lehman Elected President of IEEE Power Electronics Society

ECE Professor Bradley Lehman was elected president of the IEEE Power Electronics Society for 2023-2024.

Faculty

Nov 02, 2022

2022 Stanford University Annual Assessment of Author Citations

The following COE professors are among the top scientists worldwide selected by Stanford University representing the top 2 percent of the most-cited scientists with single-year impact in various disciplines. The selection is based on the top 100,000 by c-score (with and without self-citations) or a percentile rank of 2% or above. The list below includes […]

Faculty

Jun 06, 2022

S-POWER: A Successful Model Toward Equalizing Opportunities for Underrepresented Students

The S-POWER (Student Pathways Opening World Energy Resources) five-year NSF S-STEM grant for primarily students entering Northeastern from community colleges and Historically Black Colleges and Universities (HBCUs) has been very successful and is now institutionalized in the college of engineering.

Faculty

Dec 23, 2021

COE Professors Selected in Stanford University List of Top 2% Scientists Worldwide

The following COE professors are among the top scientists worldwide selected by Stanford University representing the top 2 percent of the most-cited scientists with single-year impact in various disciplines. The selection is based on the top 100,000 by c-score (with and without self-citations) or a percentile rank of 2% or above. The list below includes […]

Faculty

Jul 01, 2020

COE Presents at the 2020 ASEE’S Virtual Conference

College of Engineering faculty, staff, and students, published and presented virtual papers at the American Society for Engineering Education – Virtual National conference.

Bradley Lehman

Faculty

Dec 17, 2019

Detecting Arc Faults in AC Circuits

ECE Professor Bradley Lehman awarded patent for creating a “Method for AC arc fault detection using multidimensional energy points”.

Bradley Lehman

Faculty

Dec 03, 2019

Lehman Selected as IEEE Power Electronics Society Fellow

ECE Professor Bradley Lehman was selected as a 2020 Fellow of IEEE Power Electronics Society for his contributions to high quality LED lighting and modeling and control of DC-DC converters.

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