Dr. Lee Hui En received his BEng (Hons) degree in Electrical and Electronic Engineering from Swinburne University of Technology, Sarawak Campus, Malaysia in 2019. He completed his PhD in Electrical and Electronics Engineering at the same university by submitting his thesis titled “Geo-tracing of Black Pepper using Metal Oxide Semiconductor Gas Sensors” in 2022. After completing his PhD, he joined Swinburne University of Technology, Sarawak Campus, Malaysia as a lecturer in Electrical and Electronic Engineering.
His research interests include analogue integrated circuits (IC) design, gas sensors and sensors signal processing, green energy and machine learning.
Research Interests
Analogue integrated circuits (IC) design
Gas sensors and sensors signal processing
Green energy
Machine learning
Professional Memberships
Graduate Member, Board of Engineers Malaysia
PhD/Master by Research Opportunities
Potential research higher degree candidates are welcome to enquire about postgraduate opportunities in the area of metal oxide semiconductor gas sensors. Please contact Dr. Lee Hui En for more information.
Publications
Journal paper: C. Q. Heng, N. Leo, T. S. Ling, H. S. Chua, and H. E. Lee, “Regression analysis and classification of temperature modulated metal oxide semiconductor gas sensors responses on flue gas,” Future Sustainability, vol. 3, no. 4, pp. 32-46, 2025.
Journal paper: E. Lee, Z. J. A. Mercer, S. M. Ng, M. Shafiei, and H. S. Chua, “Geo-tracing of black pepper using metal oxide semiconductor (MOS) gas sensors array,” IEEE Sensors Journal, vol. 20, no. 14, pp. 8039-8045, 2020, doi: 10.1109/JSEN.2020.2981602.
Conference paper: E. E. Z. W, L. E. E. H. E, C. H. S, C. S. Lee, and A. W. Y. Chai, “Comparison of Analysis Using Acquired Machine Data for Machine and Tool Life Optimization,” in 2026 IEEE 2nd International Conference on Robotics and Technologies for Industrial Automation (ROBOTHIA), 11-11 April 2026 2026, pp. 1-6, doi: 10.1109/Robothia68364.2026.11506975.
Conference paper: C. M. X. Wee, H. E. Lee, and H. S. Chua, “Classification of vanilla by quality using MOS gas sensors: assessing the effectiveness of wavelet time-frequency analyzer,” Future Technology, vol. 3, no. 4, pp. 12-21, 2024.
Conference paper: W. Jee, H. S. Chua, and H. E. Lee, “Product differentiation of Sarawak premium rice using MOS gas sensors: comparison between transient and frequency response,” Future Technology, vol. 3, no. 3, pp. 33-42, 2024.
Conference paper: L. Z. Jee, N. S. B. Shuardi, B. P. K. Wijesuriya, S. Y. Wimalaratna, B. S. Mousa, H. N. Afrouzi, H. S. Chua, H. E. Lee, “A Review on the Efficiency Enhancement Techniques of Solar Cell,” in 2024 IEEE Sustainable Power and Energy Conference (iSPEC), 24-27 Nov. 2024 2024, pp. 48-53, doi: 10.1109/iSPEC59716.2024.10892527.
Conference paper: A. Kamal, H. N. Afrouzi, E. Jayamani, M. Ektesabi, C. H. Siang, and L. H. En, “Optimal Voltage Regulator Coordination via Cuckoo Search Algorithm in Distributed Generation System to Enhance Grid Stability,” in 2024 IEEE Sustainable Power and Energy Conference (iSPEC), 24-27 Nov. 2024 2024, pp. 687-691, doi: 10.1109/iSPEC59716.2024.10892484.
Conference paper: W. Lim, T. R. Ling, X. H. Tsen, S. J. Kho, H. E. Lee, P. G. a. Benjamen, et al., M. H. Ooi, and H. S. Chua, “Diagnosis of Mycobacterium Tuberculosis via K-Means and Canny Edge Detection,” in Advances in Material Science and Engineering, Singapore, M. Awang, H. H. Al-Kayiem, T. C. Bor, and S. S. Emamian, Eds., 2024// 2024: Springer Nature Singapore, pp. 346-353.
Conference paper: J. A. Nyaut, H. E. Lee, Z. J. A. Mercer, S. M. Ng, and H. S. Chua, “Geo-tracing of Coffee Beans Using Metal Oxide Semiconductor Gas Sensors Array,” in Advances in Material Science and Engineering, Singapore, M. Awang, H. H. Al-Kayiem, T. C. Bor, and S. S. Emamian, Eds., 2024// 2024: Springer Nature Singapore, pp. 354-360.
Conference paper: J. Pui, H. E. Lee, Z. J. A. Mercer, S. M. Ng, and H. S. Chua, “Temperature Modulation of Metal Oxide Semiconductor Gas Sensors for Black Pepper Geo-Tracing,” in Proceedings of ASEAN-Australian Engineering Congress (AAEC2022), Singapore, C. S. Choo, B. T. Wong, K. H. B. Sharkawi, and D. Kong, Eds., 2023// 2023: Springer Nature Singapore, pp. 71-80.
Conference paper: H. E. Lee, Z. J. A. Mercer, S. M. Ng, M. Shafiei, and H. S. Chua, “Metal Oxide Semiconductor Gas Sensors-based E-nose and Two-stage Classification: Authentication of Malaysia and Vietnam Black Pepper Samples,” in 2022 IEEE International Symposium on Olfaction and Electronic Nose (ISOEN), 29 May-1 June 2022, pp. 1-4, doi: 10.1109/ISOEN54820.2022.9789618.
Conference paper: H. E. Lee, H. S. Chua, Z. J. A. Mercer, S. M. Ng, and M. Shafiei, “Fraud detection of black pepper using metal oxide semiconductor gas sensors,” in 2021 IEEE Sensors, 31 Oct.-3 Nov. 2021, pp. 1-4, doi: 10.1109/SENSORS47087.2021.9639658.
Conference paper J. Y. Tan, H. E. Lee, S. M. Ng, and H. S. Chua, “Smart IoT-based Waste Monitoring System,” 2019 International UNIMAS STEM 12th Engineering Conference (EnCon), 2019, pp. 40-45, doi: 10.1109/EnCon.2019.8861263.
