Papers / Presentations

Here is a sample of presentations and papers  made or written in the last few years by Dr. Lequesne on a variety of subjects related to electric machines, actuators, and applications (including one recorded at CWIEME 2014, and available on YouTube).

Frequency-Domain Analysis and Design of Thomson-Coil Actuators“, presented at the IEEE ECCE Conference, Oct. 2021.   The paper is under review for Transactions publication. 

Low-cost interior permanent magnet machine with multiple magnet types“, IEEE Trans. on Industry Applications, March/April 2020.

“Electric machines for automotive propulsion:  History and future:“, colloquium at Marquette University, October 29, 2019.  (Also keynote presentation, IEEE International Transportation Electrification Conference – Asia-Pacific (ITEC-AP) 2019, May 8th, 2019.)

Active damping of ultrafast mechanical switches for hybrid AC and DC Circuit breakers“, IEEE Trans. on Industry Applications, Vol. 53, No. 6, Nov./Dec. 2017, pp. 5354-5364, and “A fast mechanical switch for medium-voltage hybrid DC and AC circuit breakers“, IEEE Trans. on Industry Applications, Vol. 52, No. 4, July/Aug. 2016, pp. 2911-2918 (Best IAS Transactions Paper, 2nd Prize).

Automotive motors:  Recent accomplishments and challenges ahead“, presented at the 2016 IEEE-ECCE Conference, Milwaukee, WI, September 2016, and CWIEME trade show, Chicago, IL, October 2016.

Automotive electrification: The non-hybrid story“, Invited keynote presentation, International Transportation Electrification Conference, 06-15-2015.

Linear actuators: A very diverse landscape, Invited presentation, Electrical Manufacturing & Coil Winding Expo, 05-13-2015.

Automotive electrification: The non-hybrid story“, Invited paper, IEEE Transactions on Transportation Electrification, Vol. 1, No. 1, June 2015.

System and method for safe switching in an AC-to-AC converter“, US Patent 9,425,702 , 08-23-2016;  “AC to AC converter and method of operation thereof for soft starting and other applications“, US Patent 9,298,204, 03-29-2016.

Electrification of transportation:  Overview of the latest technical and market developments, Invited presentation, Electrical Coil Winding, Insulation &  Electrical Manufacturing Exhibition – Chicago (CWIEME), 10-01-2014 (presentation available on YouTube).

Transportation electrification:  An overview with special considerations for commercial and off-road vehicles“, Seminar, Marquette University, Milwaukee, WI, 03-25-2014.

Switched reluctance versus permanent magnet – A comparison in the context of electric brakes“, IEEE Industry Applications Magazine, Vol. 15, No. 4, July/Aug. 2009, pp. 35-43.