Hoejeong Jeong (정회정) – M.S.

Hoejeong Jeong received the B.S degree in ECE from Ulsan National Institute of Science and Technology (UNIST) in 2017. She majored in Electrical Engineering and System Design. She graduated with the M.S. degree in ECE from UNIST in February 2019. Her research interests are energy harvesting for wearable devices, GaN transistors, and DPP systems.

ORCID: 0000-0001-7468-7990

Papers:

Hoejeong Jeong, Seungbin Park, Jeehoon Jung, Taewon Kim, A-Rong Kim, and Katherine A. Kim, “Segmented Differential Power Processing Converter Unit and Control Algorithm for Photovoltaic Systems,” in IEEE Transactions on Power Electronics, vol. 36, no. 7, pp. 7797-7809, July 2021.

Seungbin Park (박승빈), Mina Kim (김민아), Hoejeong Jeong (정회정), Taewon Kim (김태원), Katherine A. Kim (김예린), and Jee-Hoon Jung (정지훈), ” Bidirectional Flyback Converter Design Methodology for Differential Power Processing Modules in PV Applications (PV 시스템의 차동 전력 조절기 모듈용 양방향 플라이백 컨버터 설계 방법),” Transactions of the Korean Institute of Power Electronics (전력전자학회 논문지) , Vol. 24, No.5, October 2019.

Hoejeong Jeong, Hyunji Lee, Yu-Chen Liu and Katherine A. Kim, “Review of Differential Power Processing Converter Techniques for Photovoltaic Applications,” IEEE Transactions on Energy Conversion, vol. 34, no. 1, pp. 351-360, Mar. 2019.

Hoejeong Jeong, Hyeun-Tae Cho, Taewon Kim, Yu-Chen Liu and Katherine A. Kim, “A Scalable Unit Differential Power Processing System Design for Photovoltaic Applications,” in Proc. IEEE Workshop on Control and Modeling for Power Electron., June 2018, pp. 1-8.

Katherine A. Kim, Hoejeong Jeong, and Yu-Chen Liu, “Perspective on Developing Educational Lecture Videos for Power Electronics Courses,” in Proc. IEEE Workshop on Control and Modeling for Power Electron., July 2017, pp. 1-6.

Hoejeong Jeong and Katherine A. Kim, “GaN Boost Converter Development for High Power Density,” in Proc. KIPE Power Electronics Annual Conf., July 2017, pp. 225-226.

Journal Publication: Nano Energy

Jin Pyo Lee, Jae Won Lee, Bo-Kyung Yoon, Hee Jae Hwang, Sungwoo Jung, Katherine A. Kim, Dukhyun Choi, ChangdukYang, Jeong Min Baik, “Boosting the energy conversion efficiency of a combined triboelectric nanogenerator-capacitor,” Nano Energy, vol. 56, pp. 571-580, Feb. 2019. (Elsevier Link)

Invited Seminar at National Ilan University, Yilan, Taiwan

Prof. Katherine A. Kim gave a seminar entitled “Enabling Solar Photovoltaic Energy for Wearables and Internet of Things (IoT) Applications” at National Ilan University, Yilan, Taiwan. Prof. Kim was invited by Prof. Yu-Chen Liu of the Electrical Engineering Department of National Ilan University.

Prof. Kim giving a seminar at NIU
Question and answer session after seminar at NIU
Group picture of seminar attendees

IEEE Conference: IS3C 2018

Hyeun-Tae Cho, Yu-Chen Liu and Katherine A. Kim, “Short-Primary Linear Induction Motor Modeling with End Effects for Electric Transportation Systems,” in Proc. IEEE
International Symposium on Computer Consumer and Control, Dec. 2018, pp. 1-4. (IEEE Xplore Link)

Attended S2PC 2018 in Jinju, Korea

Prof. Katherine Kim and graduate student Hoejeong Jeong  attended the Symposium on Semiconductor Power Conversion (S2PC) in Jinju, Korea on November 2-4, 2018.

On November 3, 2013, Hoejeong Jeong presented a poster on “Structure of Segmented Differential Power Processing System for Photovoltaic Applications” during Poster Session I.

 

Prof. Katherine A. Kim elevated to IEEE Senior Member

Prof. Katherine A. Kim was elevated to IEEE Senior Member, within the Institute of Electrical and Electronics Engineers (IEEE), in July 2018. For IEEE Senior Member grade, the applicant can self-nominate or be nominated by someone else. If you have over 10 years of professional experience (graduate school counts as professional experience) and have significant performance over 5 years (usually as a professor or engineering professional), you can apply.

Prof. Kim is most active in the IEEE Power Electronics Society (PELS). She served as the IEEE Power Electronics Society (PELS) Student Membership Chair in 2012-2013, PELS Member-At-Large for 2016-2018, and PELS Women In Engineering Co-Chair in 2018. Starting from 2017, she became an Associate Editor for the IEEE Transactions on Power Electronics. Prof. Kim plans to continue contributing to the Power Electronics field through her researcheducational videos, and service to the power electronics community. She would like to thank all her advisers and mentors through the years for their guidance and support.

Attended KIPE 2018 Annual Conference

The PEARS Lab attended the Korean Institution of Power Electronics (KIPE) 2018 Annual Conference (전력전자학술대회), July 3-6, 2018, in Hoengseong, Gangwon-do, Korea. The group enjoyed listening to technical sessions and trying the local cuisine of Hoengseong Korean beef.

KakaoTalk_Photo_2018-07-05-14-48-11

On Tuesday, July 3, Prof. Katherine Kim also helped Prof. Seong-Mi Park of Korea Lift College and Prof. Kyung-Hee Han of Halla University organize the first KIPE Women Power Electronics Engineers Meeting. The event featured talks by Prof. Soyeon Kim of the Republic of Korea Naval Academy, Seo-Hyun Yeo a PhD student at Chonnam National University, and Dr. Hwi-Il Sun of the Korean Energy Research Institute (KERI). It was an important mentorship and networking opportunity for women in power electronics in Korea.

KakaoTalk_Photo_2018-07-05-15-40-23

IEEE Conference: COMPEL 2018

Hoejeong Jeong, Hyeun-Tae Cho, Taewon Kim, Yu-Chen Liu and Katherine A. Kim, “A Scalable Unit Differential Power Processing System Design for Photovoltaic Applications,” in Proc. IEEE Workshop on Control and Modeling for Power Electron., June 2018, pp. 1-8. (IEEE Xplore Link)

Attended COMPEL 2018 in Padova, Italy

연구발표증빙사진1

Prof. Katherine Kim and graduate student Hoejeong Jeong attended COMPEL 2018 on June 25-28 in Padova, Italy. On Tuesday, June 26, Hoejeong Jeong presented the paper on “A Scalable Unit Differential Power Processing System Design for Photovoltaic Applications” at the Galileo Galilei Main Hall in Palazzo Bo. A job well done presenting important research on new PV differential power processing applications. Hoejeong Jeong also received a Student Travel Grant to attend COMPEL.

 

Attended IPEC 2018-ECCE Asia in Niigata, Japan

Prof. Katherine Kim and undergraduate intern Bo-Kyung Yoon attended the International Power Electronics Conference (ICPE 2018-ECCE Asia), May 20-24, 2018, in Niigata, Japan. Bo-Kyung Yoon presented a poster on “Circuit Modeling Approach for Analyzing Triboelectric Nanogenerators for Energy Harvesting” on Wednesday, May 23, 2018.

ECCEAsia2018_poster1

Also, Bing-Siang Huang from National Taiwan University of Science and Technology, Taiwan, presented a collaboration paper on “Design and Implementation of a High Power Density Active-Clamped Flyback Converter” at the High Performance Power Converters session on Wednesday, May 23, 2018.

Prof. Kim also served as a session chair for session “23G4 Renewable Energy and Storage Applications” and “21B2 Dual Active Bridge Converters” at ICPE 2018-ECCE Asia. All attendees enjoyed the excellent conference and delicious Japanese food.

IEEE Conference: IPEC 2018-ECCE Asia

Yu-Chen Liu, Bing-Siang Huang, Cheng-Hung Lin, Katherine A. Kim and Huang-Jen Chiu, “Design and Implementation of a High Power Density Active-Clamped Flyback Converter,” in Proc. International Power Electron. Conf., Niigata, Japan, May 2018, pp. 2092-2096. (IEEE Xplore Link)

Attended NGPT 2018 in Seoul, Korea

NGPT2018_group

Prof. Katherine Kim, Bo-Kyung Yoon, and PEARS Lab members attended the International Conference on Nanogenerators and Piezotronics (NGPT), May 8-11, 2018, in Seoul, Korea.

NGPT2018_Kim

 

Prof. Kim Co-Chaired a Technical Session on “Piezotronics/Tribotronics for Sensors, MEMS and NEMS 1” on Thursday, May 10 and gave talk entitled “Implementation Considerations for Low-power Energy Conversion Circuitry in Triboelectric Nanogenerator Energy Harvesting Applications” on Friday, May 11.

NGPT2018_Yoon

 

Undergraduate intern Bo-Kyung Yoon presented a poster on “Circuit Modeling of a Three-plate Triboelectric Nanogenerator with Ground System for Energy Harvesting” on  Friday, May 11. Attending NGPT 2018 was a great opportunity to learn more about transducers and better understand how to develop better power circuitry for energy harvesting.

 

Attended APEC 2018 in San Antonio, TX, USA

Prof. Katherine Kim attended the Applied Power Electronics Conference 2018 in San Antonio, TX, USA in March 2018.

Prof. Kim was a chair for the morning technical session “T30: Renewable Energy Topics” on March 8, 2018. The poster for the collaboration paper on “Integrated Magnetics Design for a Full-Bridge Phase-Shifted Converter” was presented by Chen Chen, Yu-Chen Liu, and Prof. Kim on March 8, 2018 (picture shown below).

APEC2018_Poster_sm