Research Vision:
We develop strategic protective measures scientifically, to let everyone enjoy safe, reliable and resilient energy, at every present in the future.
Dr. Keng-Weng Lao, Johnny, 劉景榮
Assistant Professor, IEEE Senior MemberChariman of University of Macau Electrical and Computer Engineering Department Alumni Association,
IEEE Macau Chair of Board of Supervisors
Address: Faculty of Science and Technology,
University of Macau, Avenida da Universidade, Taipa,
Macau, China, Room: E11-3046
Phone: 8822-4896 email: johnnylao[at]um.edu.mo
Google Scholar Reserachgate Linkedin
Research Interests
Energy Data Analysis, Cyber-physical Energy IoT Modeling, Cyber-physical Security, Artificial Intelligence and its Transparency, Distributed Energy Source Control
Research Vision Statement
We research hard on understanding and exploring scientific strategic protective measures, to let everyone enjoy the benefits from safe and reliable energy, for every present in the future.
Research Mission Statement
Emerging high integration of data-driven, power-electronics and decentralized-control techniques is reshaping our energy internet of things system. This revolution demands attention, especially on safety and relaibiltiy concerns, which can lead to severe problems. Therefore, we are working hard on the research of the followings: 1) Efficient usage of emerging techniques to protect energy system; 2) Understanding and analyzing arising new threats due to energy revolution, investigate the impact and strategies to protect the system.
Phone: 8822-4896 email: johnnylao[at]um.edu.mo
Google Scholar Reserachgate Linkedin
Research Interests
Energy Data Analysis, Cyber-physical Energy IoT Modeling, Cyber-physical Security, Artificial Intelligence and its Transparency, Distributed Energy Source Control
Research Vision Statement
We research hard on understanding and exploring scientific strategic protective measures, to let everyone enjoy the benefits from safe and reliable energy, for every present in the future.
Research Mission Statement
Emerging high integration of data-driven, power-electronics and decentralized-control techniques is reshaping our energy internet of things system. This revolution demands attention, especially on safety and relaibiltiy concerns, which can lead to severe problems. Therefore, we are working hard on the research of the followings: 1) Efficient usage of emerging techniques to protect energy system; 2) Understanding and analyzing arising new threats due to energy revolution, investigate the impact and strategies to protect the system.
About me
Academic Profile
Publications
Research Projects
About me
Dr. Keng Weng Lao is an assistant professor at the Department of Electrical and Computer Engineering in University of Macau. Dr. Lao currently also works with the State Key Laboratory of Internet of Things for Smart City. Dr. Lao obtained his bachelor, master and Ph.D. degrees from the Department of Electrical and Electronics Engineering in 2009, 2012 and 2016 respectively. Dr. Lao was Macao Fellow (Lecturer) at University of Macau during 2016 to 2019. He worked as international research scholar at The University of Texas at Austin during 2017 to 2019.
Dr. Lao has published more than 30 international journal and conference papers; 1 monopoly on Springer; and 1 granted national patent. He served as publication chair in IEEE TENCON 2015 and RFID-TA 2019 Conferences. He also served as Assistant Vice-President of IEEE Council on RFID from 2017 to 2019. Dr. Lao has been serving in IEEE Macau since 2009, and was Chairman of IEEE Macau (2020-2022), and is currently chair of members of board of supervisors in IEEE Macau (2022-now). He is also currently serving as chairman of University of Macau Electrical and Computer Engineering Department Alumni Association (UMECEDAA).
Prof. Lao’s research interests include:
- Renewable energy integration
- Energy Internet of Things
- Feature Extraction and Cyber-physical Modeling
- Cyber-physical security
- Energy data analytics
- Artificial intelligence and machine learning
- Distributed energy source control
(Google Scholar: 880 citations; h-index: 15; i10-index: 20 as on 30th July 2020)
劉景榮，澳門大學，博士，助理教授。 2005 年通過校長推薦直接入學獎學金計劃進入澳門大學就讀電機及電子公程系，並分別於 2009 年，2012 年及 2016 年獲得澳門大學電機及電子工程系學士，碩士及博士學位。 2016 年至 2019 年任澳門大學濠江學者（講師），並於 2017 年 6吧到 2019 年 6 月間赴美國德克薩斯大學奧斯汀分校任國際研究學者，指導老師為 Prof. Surya Santoso，IEEE 院士，電能質量及電力系統知名學者。現任澳門大學助理教授，IEEE 會員，曾任澳門電機及電子工程師學會監事會成員。一直圍繞電能質量治理、柔性輸配電技術、再生能源整合及能源數據分析方面做基礎具原創性的研究。已在國際期刊及會議上發表 SCI/EI 論文 20 餘篇，其中包括相關相關領或頂級 SCI 期刊《IEEE Trans. on Power Electronics》和《IEEE Trans. on Industrial Electronics》，總引用達 880 餘次， H 指數 15 (Google Scholar)，以第一作者出版施普林格 Springer 專著一份，獲授中國發明專利 1 項。劉景榮博士曾為澳門電機及電子工程師學會（IEEE Macau）理事長及IEEE第十區專業活動委員會委員（IEEE R10 Professional Activity Committee）; 現為澳門大學電機及電腦工程系校友會理事長及澳門電機及電子工程學會監事長。
Academic Profile
Academic Qualification
- Ph.D in Electrical and Electronics Engineering, Faculty of Science and Technology, University of Macau, Macao, China (2016)
- M.Sc in Electrical and Electronics Engineering, Faculty of Science and Technology, University of Macau, Macao, China (2012)
- BSc in Electrical and Electronics Engineering, Faculty of Science and Technology, University of Macau, Macao, China (2009)
Professional Experience
- Oct. 2019-present Assistant Professor, Department of Electrical and Computer Engineering, University of Macau, Macao, China (affiliated with State Key Laboratory of Internet of Things for Smart City)
- Oct. 2016 – Sep. 2019 Macao Fellow (Lecturer), Department of Electrical and Computer Engineering, University of Macau, Macao, China
- Jun. 2017 – Jun. 2019 International Research Scholar, Department of Electrical and Computer Engineering, The University of Texas at Austin, Texas, US
Teaching
- Electricity and Life (ELEC111, GEST1012)
- Electrical Drive (ECEN3011)
- Power System Engineering and Protection (ECEN2019)
Award and Honor
- Champion of “IEEE Mega-Challenge: Smart City Competition” (2016)
- Recipient Candidate of Macao Science and Technology R&D for Postgraduates Award (2016)
- 1st Runner-up of “The 13th National Inter-varsity Science and Technology Competition “Challenge Cup” (2013)
- Champion of Postgraduate Section in The IET Young Professionals Exhibition and Competition 2013 (YPEC) (2013)
- Champion of “Schneider (HK) Energy Efficiency Cup” Competition (2010)
- 1st Runner-up of The “Beijing-Macau Young Scholars Green Home Technology Forum” (2010)
- Recipient of “Companhia de Electricidade de Macau – CEM, S.A. Academic Prize” (2009)
Patent
- Man-Chung Wong, Ning-Yi Dai, Keng-Weng Lao, Chi-Kong Wong, “Single-phase power quality conditioner for power supply system in electrified Railway”, Chinese Patent for Invention, No. 201210051065.X.
Research
Research Interests
- Renewable energy integration
- Energy Internet of Things
- Feature Extraction and Cyber-physical Modeling
- Cyber-physical security
- Energy data analytics
- Artificial intelligence and machine learning
- Distributed energy source control
Research Projects
Projects funded by The Science and Technology Development Fund
- Co-PI, FDCT Key Project Research Grant (0003/2020/AKP), Fundo para o Desenvolvimento das Ciencias e da Tecnologia: “Intelligent Coordinated Operation, Protection and Application on Integrated Energy IoT” [on-going]
- Principal Investigator, FDCT Joint Funding Research Grant (FDCT/0076/2019/AMJ), Fundo para o Desenvolvimento das Ciencias e da Tecnologia: “Research on integrated energy control and efficiency improvement technologies of net zero energy building based on DC power distribution” [on-going]
- Principal Investigator, FDCT Research Grant (FDCT/0022/2020/A1), Fundo para o Desenvolvimento das Ciencias e da Tecnologia: “Automated Protection Technologies for Smart Energy Internet of Things Cyber-Physical System based on Digital Twin Concept” [on-going]
- “A Novel Electric Traction Power Supply System based on Unified Power Quality Compensators in High Power Applications” (Research Student, 2010-2016)
Projects funded by University of Macau
- Principal Investigator, UM Research Grant (MYRG2019-00088-FST), University of Macau: “System Modeling and Stability Analysis of Co-phase Electrified Railway Traction Power Supply” [on-going]
- Principal Investigator, UM Research Grant (SRG2019-00192-FST), University of Macau: “Securing Technologies for Cyber Physical System Protection in Energy Internet of Things for Smart City Application” [on-going]
Publications
Monograph
- Keng-Weng Lao, Man-Chung Wong, and NingYi Dai, “Co-phase Traction Power Supply with Railway Hybrid Power Quality Conditioner”, Springer, 2019, ISBN 978-981-13-0438-5.
Journal Papers
- Changhe Li; Kam Weng Tam; Huawei Lin; Zhuowei Zhang; Chi-Hou Chio; Cheng Teng; Ningyi Dai; Keng-Weng Lao; Ngai Kong; Gang Zhang, “Design of Reconfigurable Impedance Transformer and Its Application to Medium Voltage XLPE Power Cable with Joint in TV White Space“, IEEE Transactions on Dielectrics and Electrical Insulation, Early Access, 2024. [SCI, EI][Q1]
- Fengrui Liu; Keng-Weng Lao*; Liang Gao; Chi-Cheng Lei; Xiaorui Hu; Yang Li, “Predicting Power Outage at Low-Lying Area Substations During Storm Surge Disasters Using Multi-Grained Cascaded Forest“, IEEE Transactions on Industry Applications, Early Access, 2024. [SCI, EI][Q1]
- Shaohua Yang; Keng-Weng Lao*; Hongxun Hui; Yulin Chen, “A robustness-enhanced frequency regulation scheme for power system against multiple cyber and physical emergency events“, Applied Energy, vol. 30, Nov. 2023. [SCI, EI][Q1]
- Shaohua Yang; Keng-Weng Lao*; Yulin Chen; Hongxun Hui, “Resilient Distributed Control Against False Data Injection Attacks for Demand Response”, IEEE Transactions on Power Systems, vol. 39, issue 2, 2024 [SCI, EI] [Q1]
- Shaohua Yang; Keng-Weng Lao*; Hongxun Hui; Yulin Chen; Ningyi Dai, “Real-time harmonic contribution evaluation considering multiple dynamic customers”, CSEE Journal of Power and Energy Systems, Early Access, 2023 [SCI, EI] [Q1]
- Yulin Chen; Keng-Weng Lao*; Donglian Qi; Hongxun Hui; Shaohua Yang; Yunfeng Yan; Yi Zheng, “Distributed Self-triggered Control for Frequency Restoration and Active Power Sharing in Islanded Microgrids”, IEEE Transactions on Industrial Informatics, Early Access, 2023 [SCI, EI] [Q1]
- Guangxu Feng; Keng-Weng Lao*, “Wasserstein Adversarial Learning for Identification of Power Quality Disturbances with Incomplete Data“, IEEE Transactions on Industrial Informatics, Early Access, 2023 [SCI, EI] [Q1]
- Yonghua Song, Can Wan, Xuejun Hu, Hongpei Qin, Keng-Weng Lao, “Resilient power grid for smart city“, iEnergy, Sept. 2022 [SCI, EI][Q1]
- Jian Wang; Keng Weng Lao*; Ningyi Dai; Haoming Liu; Yuan Chi; Qianggang Wang; Yonghua Song, “A Low-Order Steady-State Model of Electric Springs for Conservation Voltage Reduction in Active Distribution Networks with Renewables“, IEEE Transactions on Power Delivery, Early Access, 2022 [SCI, EI] [Q1]
- Lidan Chen; Keng-Weng Lao*; Yongliang Ma; and Zhe Zhang, “Error Modeling and Anomaly Detection of Smart Electricity Meter Using TSVD+L Method“, IEEE Transactions on Instrumentation and Measurement, vol. 71, pp: 1-1, Aug. 2022 [SCI, EI][Q1]
- Keteng Jiang, Haibo Li, Xi Ye, Yi Lei, Keng-Weng Lao, Shuqing Zhang, and Xianfa Hu, “Energy Efficiency Evaluation and Revenue Distribution of DC Power Distribution Systems in Nearly Zero Energy Buildings“, Energies, vol: 15, issue: 15, Aug. 2022. [SCI, EI][Q1]
- Li Liu; Zhipeng Zhou; Ningyi Dai; Keng-Weng Lao; Yonghua Song, “Interpolated Phase-Shifted PWM for Harmonics Suppression of Multilevel Hybrid Railway Power Conditioner in Traction Power Supply System“, IEEE Transactions on Transportation Electrification, vol: 8, issue: 1, pp: 898-908, Mar. 2022 [SCI, EI][Q1]
- Li Liu; Ningyi Dai; Keng-Weng Lao; Yonghua Song, “Nonuniform Power Factor Partial Compensation for Compensating Current Reduction using Particle Swarm Optimization in Traction Power Supply System“, IEEE Transactions on Industrial Electronics, vol. 69, issue. 6, pp: 6140-6151, Jun. 2022 [SCI, EI][Q1}
- Lei Wang; Ying Pang; Keng-Weng Lao; Man-Chung Wong; Fujun Ma; Xiaoping Zhou, “Design and Analysis of Adaptive Impedance Structure for Cophase Railway Traction Supply Power Quality Conditioner“, IEEE Transactions on Transportation Electrification, vol. 6, issue. 3, pp: 1338-1354, Sept. 2020 [SCI, EI][Q1]
- Li Liu; Ningyi Dai; Keng-Weng Lao; Yonghua Song, “Nonuniform Power Factor Partial Compensation for Compensating Current Reduction using Particle Swarm Optimization in Traction Power Supply System“, IEEE Transactions on Industrial Electronics, June 2021 (Early Access)
- Li Liu; NingYi Dai; Keng Weng Lao; Wei Hua, “A Co-Phase Traction Power Supply System Based on Asymmetric Three-Leg Hybrid Power Quality Conditioner“, IEEE Transactions on Vehicular Technology, vol. 69, issue 12, pp: 14645 – 14656, Dec. 2020. [SCI, EI][Q1]
- Wenyang Deng; NingYi Dai; Keng-Weng Lao; Josep M. Guerrero, “A Virtual-Impedance Droop Control for Accurate Active Power Control and Reactive Power Sharing Using Capacitive-Coupling Inverters”, IEEE Transactions on Industry Applications, vol. 56, issue 6, pp: 6722-6733, July 2020. [SCI, EI][Q1]
- Lei Wang; Ying Pang; Keng-Weng Lao; Man-Chung Wong; Fujun Ma; Xiaoping Zhou, “Design and Analysis of Adaptive Impedance Structure for Cophase Railway Traction Supply Power Quality Conditioner”, IEEE Transactions on Transportation Electrification, vol. 6, issue 3, pp: 1338 – 1354, Sep. 2020. [SCI, EI][Q1]
- Quan Nguyen; Keng-Weng Lao ; Phuong Vu; Surya Santoso, “Loss Minimization With Optimal Power Dispatch in Multi-Frequency HVac Power Systems”, IEEE Transactions on Power Systems, vol. 35, issue 3, pp:1979-1989, May 2020. [SCI, EI][Q1]
- Keng-Weng Lao*, JingJing Sheng, WenYang Deng, and NingYi Dai, “PQ-Coupling Strategy for Droop Control in Grid-Connected Capacitive-Coupled Inverter”, IEEE Access, pp:1-1, March 2019 [SCI, EI][Q1]
- Keng-Weng Lao*, NingYi Dai and JingJing Sheng, “An improved closed-loop droop control technique for higher utilization of power output capability in CCI”, International Journal of Electrical Power & Energy Systems, vol. 109, pp: 455-469, July 2019. [SCI, EI][Q1]
- Tao Ye, NingYi Dai, Keng-Weng Lao, Chi-Seng Lam, and Man-Chung Wong, ” A Low DC Voltage Photovoltaic Generation System with Power factor Correction and Harmonic Suppression Capability in Distribution Network”, IET Generation, Transmission & Distribution, 2019. [SCI, EI][Q1]
- Piyapath Siratarnsophon, Keng Weng Lao*, David Rosewater, and Surya Santoso, “A Voltage Smoothing Algorithm using Energy Storage PQ Control in PV-integrated Power Grid”, IEEE Transactions on Power Delivery, pp: 1-1, Jan. 2019. [SCI, EI][Q1]
- Quan Nguyen, Harsha V. Padullaparti, Keng-Weng Lao, SuryaSantoso, Xinda Ke, and Nader Samaan, “Exact Optimal Power Dispatch in Unbalanced Distribution Systems With High PV Penetration”, IEEE Transactions on Power Systems, vol: 64, issue: 1, pp: 718-728, Jan. 2019. [SCI, EI][Q1]
- Alvaro Furlani Bastos , Keng-Weng Lao, Grazia Todeschini, and Surya Santoso, “Novel Moving Average Filter for Detecting RMS Voltage Step Changes in Triggerless PQ Data”, IEEE Transactions on Power Delivery, vol: 33, issue: 6, pp: 2920-2929, Dec. 2018. [SCI, EI][Q1]
- Chi-Seng Lam, Yongheng Yang, Qing Zhong, Yandong Chen, and Keng-Weng Lao, “Advanced Power Electronic Converters and Power Quality Conditioning”, Journal of Electrical and Computer Engineering, vol: 2018, pp: 1-2, November 2018. [EI]
- Alvaro Furlani Bastos, Keng Weng Lao, Grazia Todeschini, and Surya Santoso, “Accurate Identification of Point-on-Wave Inception and Recovery Instants of Voltage Sags and Swells”, IEEE Transactions on Power Delivery, pp: 1-1, 2018 (Early Access). [SCI, EI][Q1]
- Keng-Weng Lao*, Man-Chung Wong, NingYi Dai, Chi-Seng Lam, Lei Wang, and Chi-Kong Wong, “Analysis of the Effects of Operation Voltage Range in Flexible DC Control on Railway HPQC Compensation Capability in High-Speed Co-phase Railway Power”, IEEE Transactions on Power Electronics, vol: 33, issue: 2, pp: 17601774, February 2018. [SCI, EI][Q1]
- Keng-Weng Lao*, Man-Chung Wong, Ning-Yi Dai, Chi-Seng Lam, Chi-Kong Wong, and Lei Wang, “Analysis in the effect of Co-phase Traction Railway HPQC Coupled Impedance on its Compensation Capability and Impedance-Mapping Design Technique based on Required Compensation Capability for Reduction in Operation Voltage”, IEEE Transactions on Power Electronics, vol: 32, issue: 4, Apr. 2017. [SCI, EI][Q1]
- Keng-Weng Lao*, Man-Chung Wong, NingYi Dai, Chi-Kong Wong, and Chi-Seng Lam, “Analysis of DC Link Operation Voltage of a Hybrid Railway Power Quality Conditioner and its PQ Compensation Capability in High Speed Co-phase Traction Power Supply”, IEEE Transactions on Power Electronics, vol: 31, Issue: 2, pp: 1643-1656, 2016. [SCI, EI][Q1]
- NingYi Dai, Keng-Weng Lao, and Chi-Seng Lam, “Hybrid railway power conditioner with partial compensation for converter rating reduction”, IEEE Transactions on Industry Applications, vol: 51 Issue: 5, pp: 4130-4138, 2015. [SCI, EI][Q1]
- Keng-Weng Lao*, Man-Chung Wong, NingYi Dai, Chi-Kong Wong, and Chi-Seng Lam, “A Systematic Approach to Hybrid Railway Power Conditioner Design With Harmonic Compensation for High-Speed Railway”, IEEE Transactions on Industrial Electronics, vol: 62 , no: 2, pp: 930 – 942, 2015. [SCI, EI][Q1]
- Lei Wang, Chi-Seng Lam, Man-Chung Wong, Ning-Yi Dai, Keng-Weng Lao, and Chi-Kong Wong, “Nonlinear adaptive hysteresis band pulse-width modulation control for hybrid active power filters to reduce switching loss”, IET Power Electronics, vol: 8, issue:11, pp:2156-2167, 2015. [SCI, EI][Q1]
- NingYi Dai, Man-Chung Wong, Keng-Weng Lao, and Chi-Kong Wong, “Modelling and control of a railway power conditioner in co-phase traction power system under partial compensation”, IET Power Electronics, vol.7, no.5, pp 1044-1054, 2014. [SCI, EI][Q1]
- Keng-Weng Lao*, Ning-Yi Dai , Wei-Gang Liu, Man-Chung Wong, “Hybrid power quality compensator with minimum dc operation voltage design for high-speed traction power systems”, IEEE Transactions on Power Electronics, vol.28, no. 4, pp. 2024 –2036, Apr. 2013. [SCI, EI][Q1]
- Ning-Yi Dai, Keng-Weng Lao, Man-Chung Wong, Chi-Kong Wong, “Hybrid power quality conditioner for co-phase power supply system in electrified railway”, IET Power Electronics, vol.5, no. 7, pp. 1084 – 1094, Aug 2012. [SCI, EI][Q1]
(* corresponding author)
Conference Papers
- Jianhua Gong; Li Liu; Keng-Weng Lao, “Cooperative Scheduling of Electric Springs and On-Load Tap Changers for Volt/Var Control in Active Distribution Networks“, 2023 6th International Conference on Energy, Electrical and Power Engineering (CEEPE), Guangzhou, China, 12-14 May 2023, pp: 1-1.
- Shaohua Yang; Keng-Weng Lao; Hongxun Hui; Yulin Chen, “A Resilient Controller for Frequency Regulation of Power Grids against Cyber Attacks“, 2023 IEEE IAS Global Conference on Renewable Energy and Hydrogen Technologies (GlobConHT), Male, Maldives, 11-12 March 2023, pp: 1-1.
- Hou-Wang Iao; Keng-Weng Lao*, “Integrated Load Consumption and PV Output Forecasting of Net-zero Energy Buildings Considering KNN-GAN Data Augmentation“, 2023 International Conference on Power Energy Systems and Applications (ICoPESA), Nanjing, China, 24-26 February 2023, pp: 1-1.
- Hou-Wang Iao; Keng-Weng Lao; Jing Kang, “Learning-based Solar Power and Load Forecasting in DC Net-zero Energy Building with Incomplete Data“, 2022 7th International Conference on Power and Renewable Energy (ICPRE), Shanghai, China, Sept. 2022, pp: 1-1.
- Yulin Chen; Xing Huang; Keng-Weng Lao; Shaohua Yang; Hongxun Hui; Donglian Qi, “A Zeno-Free Distributed Self-Triggered Secondary Control Scheme for Islanded Microgrids“, 2022 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia), Shanghai, China, July 2022, pp: 1-1.
- Zheng Xing; Keng-Weng Lao; HongJun Gao; NingYi Dai, “A Modified Data-driven Power Flow Model for Power Estimation with Incomplete Bus Data“, 2022 12th International Conference on Power, Energy and Electrical Engineering (CPEEE), Shiga, Japan, Feb. 2022, pp: 1-1.
- Zheng Xing; JianHua Gong; Keng-Weng Lao; NingYi Dai, “Single Bus Data-driven Power Estimation Based on Modified Linear Power Flow Model“, 2021 6th International Conference on Power and Renewable Energy (ICPRE), Shanghai, China, Sept. 2021, pp: 1-1.
- Yinbo Zhao; Hongjun Gao; Haibo Li; Hongcai Zhang; Keng Weng Lao, “Stackelberg Game Based Optimal Multi-energy Management for Commercial Building Operators“, 2021 4th International Conference on Energy, Electrical and Power Engineering (CEEPE), Chongqing, China, July 2021, pp:1-1.
- Hongjun Gao; Shuaijia He; Haibo Li; Hongcai Zhang; Keng Weng Lao, “Energy Management for Building Integrated Energy System Considering Generalized Energy Storage“, 2021 4th International Conference on Energy, Electrical and Power Engineering (CEEPE), Chongqing, China, July 2021, pp:1-1.
- Chang-He Li, Keng-Weng Lao, and Kam-Weng Tam,“A Flooding Warning System based on RFID Tag Array for Energy Facility”, in 2018 IEEE International Conference on RFID Technology & Application (RFID-TA), Macau SAR, China, Sept. 2018, pp: 1-4.
- Keng Weng Lao, Man Chung Wong, and Surya Santoso, “Recent Advances of FACTS Devices for Power Quality Compensation in Railway Traction Power Supply”, in 2018 IEEE/PES Transmission and Distribution Conference and Exposition (T&D), Denver, CO, USA, Apr. 2018, pp: 1-5.
- Keng Weng Lao, Quan Nguyen ; Surya Santoso, “Power Electronic Converters for Low-Frequency HVac Transmission: Functions and Challenges”, in 2018 IEEE Power & Energy Society General Meeting (PESGM), Portland, OR, USA, Aug. 2018, pp: 1-5.
- Lei Wang, Keng-Weng Lao, Chi-Seng Lam, and Man-ChungWong,“Delta-connected static var compensator (SVC) based hybrid active power filter (SVC-HAPF) and its control method”, in IECON 2017 – 43rd Annual Conference of the IEEE Industrial Electronics Society, Beijing, China,Nov. 2017, pp: 6384-6388.
- Jing-Jing Sheng, NingYi Dai, Man-Chung Wong, Chi-Seng Lam, and Keng-Weng Lao, “Droop-boost control for single-phase hybrid power filter”, in TENCON 2015 – 2015 IEEE Region 10 Conference, Macau SAR, Jan. 2015, pp: 1-6.
- NingYi Dai, Keng-Weng Lao, Chi-Seng Lam, “Hybrid railway power conditioner with partial compensation for rating optimization”, in 2014 IEEE Energy Conversion Congress and Exposition, Pittsburgh, PA, USA, Sept. 2014, pp. 5908 – 5915.
- Keng-Weng Lao, Man-ChungWong, Ning-Yi Dai, Chi-KongWong,“Design of LCL filter for harmonic suppression in co-phase railway power quality conditioner”, in The IEEE International Future Energy Electronics Conference 2013 (IFEEC 2013), Tainan, Taiwan, Nov. 2013, pp. 794-799.
- Ning-Yi Dai, Keng-Weng Lao, Man-Chung Wong, “A hybrid railway power conditioner for traction power supply system”, in The 2013 28th Annual IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, Mar. 2013, pp. 1326 –1331.
- Keng-Weng Lao, Ning-Yi Dai, Wei-Gang Liu, Man-Chung Wong, Chi-Kong Wong, “Modeling and control of railway static power conditioner compensation based on power quality standards”, in The 13th IEEE Workshop on Control and Modeling for Power Electronics (COMPEL 2012), Kyoto, Japan, Jun. 2012, pp. 1 – 6.
Postdoc, research assistant and PhD student positions are available. Please contact Prof. Keng-Weng Lao at johnnylao@um.edu.mo for more information.
Services
Professional Services
Community Services
- Chairman of University of Macau Electrical and Computer Engineering Department Alumni Association (UMECEDAA) (2022-present)
- Chair of Board of Supervisors, IEEE Macau (2022-present)
- Chairman of IEEE Macau (2020-2022)
- Committee Member in IEEE R10 Professional Activity Committee (2020-2021)
- Committee Member in IEEE Macau (2010-Present)
- Associate Vice President (Conference) of IEEE Council on RFID (2018-2019)
Guest Editor
- Special Issue on Journal of Electrical and Computer Engineering: Advanced Power Electronic Converters and Power Quality Conditioning (APEL)
- Special Issue of IEEE Journal of RFID
Conference Organization
- Secretary and Publication Chair of 2015 IEEE Region 10 Conference (TENCON 2015)
- Publication Chair of IEEE RFID-TA 2018 Conference
- Session Chair of IEEE PES General Meeting 2018 Conference (PESGM 2018)
Journal Reviewer
- IEEE Transactions on Industrial Electronics;
- IEEE Transactions on Power Electronics;
- IEEE Transactions on Smart Grid;
- IEEE Transactions on Industry Application;
- International Journal of Emerging Electric Power Systems (IJEEPS);
- International Journal of Electrical Power & Energy Systems (IJEPES).
Invited Speaker
- Application of Power Electronics Techniques in High-Speed Railway Power Quality Conditioning, UT IEEE PES Student Section General Meeting (Mar. 2019)
Contact Details
Faculty of Science and Technology
University of Macau, E11
Avenida da Universidade, Taipa,
Macau, China
Room: E11-3046
Telephone: (853) 8822-4896
Fax: (853) 8822-2426
Email: johnnylao[at]um.edu.mopp: 14645 – 14656
Publications
Publications
Monograph
- Keng-Weng Lao, Man-Chung Wong, and NingYi Dai, “Co-phase Traction Power Supply with Railway Hybrid Power Quality Conditioner”, Springer, 2019, ISBN 978-981-13-0438-5.
Journal Papers
- Changhe Li; Kam Weng Tam; Huawei Lin; Zhuowei Zhang; Chi-Hou Chio; Cheng Teng; Ningyi Dai; Keng-Weng Lao; Ngai Kong; Gang Zhang, “Design of Reconfigurable Impedance Transformer and Its Application to Medium Voltage XLPE Power Cable with Joint in TV White Space“, IEEE Transactions on Dielectrics and Electrical Insulation, Early Access, 2024. [SCI, EI][Q1]
- Fengrui Liu; Keng-Weng Lao*; Liang Gao; Chi-Cheng Lei; Xiaorui Hu; Yang Li, “Predicting Power Outage at Low-Lying Area Substations During Storm Surge Disasters Using Multi-Grained Cascaded Forest“, IEEE Transactions on Industry Applications, Early Access, 2024. [SCI, EI][Q1]
- Shaohua Yang; Keng-Weng Lao*; Hongxun Hui; Yulin Chen, “A robustness-enhanced frequency regulation scheme for power system against multiple cyber and physical emergency events“, Applied Energy, vol. 30, Nov. 2023. [SCI, EI][Q1]
- Shaohua Yang; Keng-Weng Lao*; Yulin Chen; Hongxun Hui, “Resilient Distributed Control Against False Data Injection Attacks for Demand Response”, IEEE Transactions on Power Systems, vol. 39, issue 2, 2024 [SCI, EI] [Q1]
- Shaohua Yang; Keng-Weng Lao*; Hongxun Hui; Yulin Chen; Ningyi Dai, “Real-time harmonic contribution evaluation considering multiple dynamic customers”, CSEE Journal of Power and Energy Systems, Early Access, 2023 [SCI, EI] [Q1]
- Yulin Chen; Keng-Weng Lao*; Donglian Qi; Hongxun Hui; Shaohua Yang; Yunfeng Yan; Yi Zheng, “Distributed Self-triggered Control for Frequency Restoration and Active Power Sharing in Islanded Microgrids”, IEEE Transactions on Industrial Informatics, Early Access, 2023 [SCI, EI] [Q1]
- Guangxu Feng; Keng-Weng Lao*, “Wasserstein Adversarial Learning for Identification of Power Quality Disturbances with Incomplete Data“, IEEE Transactions on Industrial Informatics, Early Access, 2023 [SCI, EI] [Q1]
- Yonghua Song, Can Wan, Xuejun Hu, Hongpei Qin, Keng-Weng Lao, “Resilient power grid for smart city“, iEnergy, Sept. 2022 [SCI, EI][Q1]
- Jian Wang; Keng Weng Lao*; Ningyi Dai; Haoming Liu; Yuan Chi; Qianggang Wang; Yonghua Song, “A Low-Order Steady-State Model of Electric Springs for Conservation Voltage Reduction in Active Distribution Networks with Renewables“, IEEE Transactions on Power Delivery, Early Access, 2022 [SCI, EI] [Q1]
- Lidan Chen; Keng-Weng Lao*; Yongliang Ma; and Zhe Zhang, “Error Modeling and Anomaly Detection of Smart Electricity Meter Using TSVD+L Method“, IEEE Transactions on Instrumentation and Measurement, vol. 71, pp: 1-1, Aug. 2022 [SCI, EI][Q1]
- Keteng Jiang, Haibo Li, Xi Ye, Yi Lei, Keng-Weng Lao, Shuqing Zhang, and Xianfa Hu, “Energy Efficiency Evaluation and Revenue Distribution of DC Power Distribution Systems in Nearly Zero Energy Buildings“, Energies, vol: 15, issue: 15, Aug. 2022. [SCI, EI][Q1]
- Li Liu; Zhipeng Zhou; Ningyi Dai; Keng-Weng Lao; Yonghua Song, “Interpolated Phase-Shifted PWM for Harmonics Suppression of Multilevel Hybrid Railway Power Conditioner in Traction Power Supply System“, IEEE Transactions on Transportation Electrification, vol: 8, issue: 1, pp: 898-908, Mar. 2022 [SCI, EI][Q1]
- Li Liu; Ningyi Dai; Keng-Weng Lao; Yonghua Song, “Nonuniform Power Factor Partial Compensation for Compensating Current Reduction using Particle Swarm Optimization in Traction Power Supply System“, IEEE Transactions on Industrial Electronics, vol. 69, issue. 6, pp: 6140-6151, Jun. 2022 [SCI, EI][Q1}
- Lei Wang; Ying Pang; Keng-Weng Lao; Man-Chung Wong; Fujun Ma; Xiaoping Zhou, “Design and Analysis of Adaptive Impedance Structure for Cophase Railway Traction Supply Power Quality Conditioner“, IEEE Transactions on Transportation Electrification, vol. 6, issue. 3, pp: 1338-1354, Sept. 2020 [SCI, EI][Q1]
- Li Liu; Ningyi Dai; Keng-Weng Lao; Yonghua Song, “Nonuniform Power Factor Partial Compensation for Compensating Current Reduction using Particle Swarm Optimization in Traction Power Supply System“, IEEE Transactions on Industrial Electronics, June 2021 (Early Access)
- Li Liu; NingYi Dai; Keng Weng Lao; Wei Hua, “A Co-Phase Traction Power Supply System Based on Asymmetric Three-Leg Hybrid Power Quality Conditioner“, IEEE Transactions on Vehicular Technology, vol. 69, issue 12, pp: 14645 – 14656, Dec. 2020. [SCI, EI][Q1]
- Wenyang Deng; NingYi Dai; Keng-Weng Lao; Josep M. Guerrero, “A Virtual-Impedance Droop Control for Accurate Active Power Control and Reactive Power Sharing Using Capacitive-Coupling Inverters”, IEEE Transactions on Industry Applications, vol. 56, issue 6, pp: 6722-6733, July 2020. [SCI, EI][Q1]
- Lei Wang; Ying Pang; Keng-Weng Lao; Man-Chung Wong; Fujun Ma; Xiaoping Zhou, “Design and Analysis of Adaptive Impedance Structure for Cophase Railway Traction Supply Power Quality Conditioner”, IEEE Transactions on Transportation Electrification, vol. 6, issue 3, pp: 1338 – 1354, Sep. 2020. [SCI, EI][Q1]
- Quan Nguyen; Keng-Weng Lao ; Phuong Vu; Surya Santoso, “Loss Minimization With Optimal Power Dispatch in Multi-Frequency HVac Power Systems”, IEEE Transactions on Power Systems, vol. 35, issue 3, pp:1979-1989, May 2020. [SCI, EI][Q1]
- Keng-Weng Lao*, JingJing Sheng, WenYang Deng, and NingYi Dai, “PQ-Coupling Strategy for Droop Control in Grid-Connected Capacitive-Coupled Inverter”, IEEE Access, pp:1-1, March 2019 [SCI, EI][Q1]
- Keng-Weng Lao*, NingYi Dai and JingJing Sheng, “An improved closed-loop droop control technique for higher utilization of power output capability in CCI”, International Journal of Electrical Power & Energy Systems, vol. 109, pp: 455-469, July 2019. [SCI, EI][Q1]
- Tao Ye, NingYi Dai, Keng-Weng Lao, Chi-Seng Lam, and Man-Chung Wong, ” A Low DC Voltage Photovoltaic Generation System with Power factor Correction and Harmonic Suppression Capability in Distribution Network”, IET Generation, Transmission & Distribution, 2019. [SCI, EI][Q1]
- Piyapath Siratarnsophon, Keng Weng Lao*, David Rosewater, and Surya Santoso, “A Voltage Smoothing Algorithm using Energy Storage PQ Control in PV-integrated Power Grid”, IEEE Transactions on Power Delivery, pp: 1-1, Jan. 2019. [SCI, EI][Q1]
- Quan Nguyen, Harsha V. Padullaparti, Keng-Weng Lao, SuryaSantoso, Xinda Ke, and Nader Samaan, “Exact Optimal Power Dispatch in Unbalanced Distribution Systems With High PV Penetration”, IEEE Transactions on Power Systems, vol: 64, issue: 1, pp: 718-728, Jan. 2019. [SCI, EI][Q1]
- Alvaro Furlani Bastos , Keng-Weng Lao, Grazia Todeschini, and Surya Santoso, “Novel Moving Average Filter for Detecting RMS Voltage Step Changes in Triggerless PQ Data”, IEEE Transactions on Power Delivery, vol: 33, issue: 6, pp: 2920-2929, Dec. 2018. [SCI, EI][Q1]
- Chi-Seng Lam, Yongheng Yang, Qing Zhong, Yandong Chen, and Keng-Weng Lao, “Advanced Power Electronic Converters and Power Quality Conditioning”, Journal of Electrical and Computer Engineering, vol: 2018, pp: 1-2, November 2018. [EI]
- Alvaro Furlani Bastos, Keng Weng Lao, Grazia Todeschini, and Surya Santoso, “Accurate Identification of Point-on-Wave Inception and Recovery Instants of Voltage Sags and Swells”, IEEE Transactions on Power Delivery, pp: 1-1, 2018 (Early Access). [SCI, EI][Q1]
- Keng-Weng Lao*, Man-Chung Wong, NingYi Dai, Chi-Seng Lam, Lei Wang, and Chi-Kong Wong, “Analysis of the Effects of Operation Voltage Range in Flexible DC Control on Railway HPQC Compensation Capability in High-Speed Co-phase Railway Power”, IEEE Transactions on Power Electronics, vol: 33, issue: 2, pp: 17601774, February 2018. [SCI, EI][Q1]
- Keng-Weng Lao*, Man-Chung Wong, Ning-Yi Dai, Chi-Seng Lam, Chi-Kong Wong, and Lei Wang, “Analysis in the effect of Co-phase Traction Railway HPQC Coupled Impedance on its Compensation Capability and Impedance-Mapping Design Technique based on Required Compensation Capability for Reduction in Operation Voltage”, IEEE Transactions on Power Electronics, vol: 32, issue: 4, Apr. 2017. [SCI, EI][Q1]
- Keng-Weng Lao*, Man-Chung Wong, NingYi Dai, Chi-Kong Wong, and Chi-Seng Lam, “Analysis of DC Link Operation Voltage of a Hybrid Railway Power Quality Conditioner and its PQ Compensation Capability in High Speed Co-phase Traction Power Supply”, IEEE Transactions on Power Electronics, vol: 31, Issue: 2, pp: 1643-1656, 2016. [SCI, EI][Q1]
- NingYi Dai, Keng-Weng Lao, and Chi-Seng Lam, “Hybrid railway power conditioner with partial compensation for converter rating reduction”, IEEE Transactions on Industry Applications, vol: 51 Issue: 5, pp: 4130-4138, 2015. [SCI, EI][Q1]
- Keng-Weng Lao*, Man-Chung Wong, NingYi Dai, Chi-Kong Wong, and Chi-Seng Lam, “A Systematic Approach to Hybrid Railway Power Conditioner Design With Harmonic Compensation for High-Speed Railway”, IEEE Transactions on Industrial Electronics, vol: 62 , no: 2, pp: 930 – 942, 2015. [SCI, EI][Q1]
- Lei Wang, Chi-Seng Lam, Man-Chung Wong, Ning-Yi Dai, Keng-Weng Lao, and Chi-Kong Wong, “Nonlinear adaptive hysteresis band pulse-width modulation control for hybrid active power filters to reduce switching loss”, IET Power Electronics, vol: 8, issue:11, pp:2156-2167, 2015. [SCI, EI][Q1]
- NingYi Dai, Man-Chung Wong, Keng-Weng Lao, and Chi-Kong Wong, “Modelling and control of a railway power conditioner in co-phase traction power system under partial compensation”, IET Power Electronics, vol.7, no.5, pp 1044-1054, 2014. [SCI, EI][Q1]
- Keng-Weng Lao*, Ning-Yi Dai , Wei-Gang Liu, Man-Chung Wong, “Hybrid power quality compensator with minimum dc operation voltage design for high-speed traction power systems”, IEEE Transactions on Power Electronics, vol.28, no. 4, pp. 2024 –2036, Apr. 2013. [SCI, EI][Q1]
- Ning-Yi Dai, Keng-Weng Lao, Man-Chung Wong, Chi-Kong Wong, “Hybrid power quality conditioner for co-phase power supply system in electrified railway”, IET Power Electronics, vol.5, no. 7, pp. 1084 – 1094, Aug 2012. [SCI, EI][Q1]
(* corresponding author)
Conference Papers
- Jianhua Gong; Li Liu; Keng-Weng Lao, “Cooperative Scheduling of Electric Springs and On-Load Tap Changers for Volt/Var Control in Active Distribution Networks“, 2023 6th International Conference on Energy, Electrical and Power Engineering (CEEPE), Guangzhou, China, 12-14 May 2023, pp: 1-1.
- Shaohua Yang; Keng-Weng Lao; Hongxun Hui; Yulin Chen, “A Resilient Controller for Frequency Regulation of Power Grids against Cyber Attacks“, 2023 IEEE IAS Global Conference on Renewable Energy and Hydrogen Technologies (GlobConHT), Male, Maldives, 11-12 March 2023, pp: 1-1.
- Hou-Wang Iao; Keng-Weng Lao*, “Integrated Load Consumption and PV Output Forecasting of Net-zero Energy Buildings Considering KNN-GAN Data Augmentation“, 2023 International Conference on Power Energy Systems and Applications (ICoPESA), Nanjing, China, 24-26 February 2023, pp: 1-1.
- Hou-Wang Iao; Keng-Weng Lao; Jing Kang, “Learning-based Solar Power and Load Forecasting in DC Net-zero Energy Building with Incomplete Data“, 2022 7th International Conference on Power and Renewable Energy (ICPRE), Shanghai, China, Sept. 2022, pp: 1-1.
- Yulin Chen; Xing Huang; Keng-Weng Lao; Shaohua Yang; Hongxun Hui; Donglian Qi, “A Zeno-Free Distributed Self-Triggered Secondary Control Scheme for Islanded Microgrids“, 2022 IEEE/IAS Industrial and Commercial Power System Asia (I&CPS Asia), Shanghai, China, July 2022, pp: 1-1.
- Zheng Xing; Keng-Weng Lao; HongJun Gao; NingYi Dai, “A Modified Data-driven Power Flow Model for Power Estimation with Incomplete Bus Data“, 2022 12th International Conference on Power, Energy and Electrical Engineering (CPEEE), Shiga, Japan, Feb. 2022, pp: 1-1.
- Zheng Xing; JianHua Gong; Keng-Weng Lao; NingYi Dai, “Single Bus Data-driven Power Estimation Based on Modified Linear Power Flow Model“, 2021 6th International Conference on Power and Renewable Energy (ICPRE), Shanghai, China, Sept. 2021, pp: 1-1.
- Yinbo Zhao; Hongjun Gao; Haibo Li; Hongcai Zhang; Keng Weng Lao, “Stackelberg Game Based Optimal Multi-energy Management for Commercial Building Operators“, 2021 4th International Conference on Energy, Electrical and Power Engineering (CEEPE), Chongqing, China, July 2021, pp:1-1.
- Hongjun Gao; Shuaijia He; Haibo Li; Hongcai Zhang; Keng Weng Lao, “Energy Management for Building Integrated Energy System Considering Generalized Energy Storage“, 2021 4th International Conference on Energy, Electrical and Power Engineering (CEEPE), Chongqing, China, July 2021, pp:1-1.
- Chang-He Li, Keng-Weng Lao, and Kam-Weng Tam,“A Flooding Warning System based on RFID Tag Array for Energy Facility”, in 2018 IEEE International Conference on RFID Technology & Application (RFID-TA), Macau SAR, China, Sept. 2018, pp: 1-4.
- Keng Weng Lao, Man Chung Wong, and Surya Santoso, “Recent Advances of FACTS Devices for Power Quality Compensation in Railway Traction Power Supply”, in 2018 IEEE/PES Transmission and Distribution Conference and Exposition (T&D), Denver, CO, USA, Apr. 2018, pp: 1-5.
- Keng Weng Lao, Quan Nguyen ; Surya Santoso, “Power Electronic Converters for Low-Frequency HVac Transmission: Functions and Challenges”, in 2018 IEEE Power & Energy Society General Meeting (PESGM), Portland, OR, USA, Aug. 2018, pp: 1-5.
- Lei Wang, Keng-Weng Lao, Chi-Seng Lam, and Man-ChungWong,“Delta-connected static var compensator (SVC) based hybrid active power filter (SVC-HAPF) and its control method”, in IECON 2017 – 43rd Annual Conference of the IEEE Industrial Electronics Society, Beijing, China,Nov. 2017, pp: 6384-6388.
- Jing-Jing Sheng, NingYi Dai, Man-Chung Wong, Chi-Seng Lam, and Keng-Weng Lao, “Droop-boost control for single-phase hybrid power filter”, in TENCON 2015 – 2015 IEEE Region 10 Conference, Macau SAR, Jan. 2015, pp: 1-6.
- NingYi Dai, Keng-Weng Lao, Chi-Seng Lam, “Hybrid railway power conditioner with partial compensation for rating optimization”, in 2014 IEEE Energy Conversion Congress and Exposition, Pittsburgh, PA, USA, Sept. 2014, pp. 5908 – 5915.
- Keng-Weng Lao, Man-ChungWong, Ning-Yi Dai, Chi-KongWong,“Design of LCL filter for harmonic suppression in co-phase railway power quality conditioner”, in The IEEE International Future Energy Electronics Conference 2013 (IFEEC 2013), Tainan, Taiwan, Nov. 2013, pp. 794-799.
- Ning-Yi Dai, Keng-Weng Lao, Man-Chung Wong, “A hybrid railway power conditioner for traction power supply system”, in The 2013 28th Annual IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, Mar. 2013, pp. 1326 –1331.
- Keng-Weng Lao, Ning-Yi Dai, Wei-Gang Liu, Man-Chung Wong, Chi-Kong Wong, “Modeling and control of railway static power conditioner compensation based on power quality standards”, in The 13th IEEE Workshop on Control and Modeling for Power Electronics (COMPEL 2012), Kyoto, Japan, Jun. 2012, pp. 1 – 6.
Postdoc, research assistant and PhD student positions are available. Please contact Prof. Keng-Weng Lao at johnnylao@um.edu.mo for more information.
Research Projects
Research Projects of Prof. Keng-Weng LAO
Projects funded by The Science and Technology Development Fund
- Co-PI, FDCT Key Research and Development Grant (0003/2020/AKP), Fundo para o Desenvolvimento das Ciencias e da Tecnologia: “Intelligent Coordinated Operation, Protection and Application on Integrated Energy IoT” [on-going]
- Principal Investigator, FDCT Joint Funding Research Grant (FDCT/0076/2019/AMJ), Fundo para o Desenvolvimento das Ciencias e da Tecnologia: “Research on integrated energy control and efficiency improvement technologies of net zero energy building based on DC power distribution” [on-going]
- Principal Investigator, FDCT Research Grant (FDCT/0022/2020/A1), Fundo para o Desenvolvimento das Ciencias e da Tecnologia: “Automated Protection Technologies for Smart Energy Internet of Things Cyber-Physical System based on Digital Twin Concept” [on-going]
- “A Novel Electric Traction Power Supply System based on Unified Power Quality Compensators in High Power Applications” (Research Student, 2010-2016)
Projects funded by University of Macau
- Principal Investigator, UM Research Grant (MYRG2019-00088-FST), University of Macau: “System Modeling and Stability Analysis of Co-phase Electrified Railway Traction Power Supply” [on-going]
- Principal Investigator, UM Research Grant (SRG2019-00192-FST), University of Macau: “Securing Technologies for Cyber Physical System Protection in Energy Internet of Things for Smart City Application” [on-going]
Address:
Faculty of Science and Technology,
University of Macau, Avenida da Universidade, Taipa,
Macau, China,
Room: E11-3046
Contact:
Phone: 8822-4896
email: johnnylao[at]um.edu.mo