Electric Systems
Modeling & optimization of power systems and electromagnetic machines.
Our research in this area includes flexible and resilient power system design and operational optimization; modeling and analysis of electric machines for applications such as fault detection of motors, power efficiency improvement and design complexity reduction.
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Researchers
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Awards
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AWARD Best paper award at PHMAP 2023 Date: September 14, 2023
Awarded to: Dehong Liu, Anantaram Varatharajan, and Abraham Goldsmith
MERL Contacts: Abraham Goldsmith; Dehong Liu
Research Areas: Electric Systems, Signal ProcessingBrief- MERL researchers Dehong Liu, Anantaram Varatharajan, and Abraham Goldsmith were awarded one of three best paper awards at Asia Pacific Conference of the Prognostics and Health Management Society 2023 (PHMAP23) held in Tokyo from September 11th to 14th, 2023, for their co-authored paper titled 'Extracting Broken-Rotor-Bar Fault Signature of Varying-Speed Induction Motors.'
PHMAP is a biennial international conference specialized in prognostics and health management. PHMAP23 attracted more than 300 attendees from worldwide and published more than 160 regular papers from academia and industry including aerospace, production, civil engineering, electronics, and so on.
- MERL researchers Dehong Liu, Anantaram Varatharajan, and Abraham Goldsmith were awarded one of three best paper awards at Asia Pacific Conference of the Prognostics and Health Management Society 2023 (PHMAP23) held in Tokyo from September 11th to 14th, 2023, for their co-authored paper titled 'Extracting Broken-Rotor-Bar Fault Signature of Varying-Speed Induction Motors.'
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AWARD MERL receives 33rd ARIB Radio Achievement Award Date: June 28, 2022
Awarded to: Yukimasa Nagai, Jianlin Guo, Shoichi Kitazawa, Kazuto Yano.
MERL Contacts: Jianlin Guo; Philip V. Orlik
Research Areas: Communications, Electric SystemsBrief- Mitsubishi Electric Corporation (Yukimasa Nagai), MERL (Jianlin Guo), Muroran Institute of Technology (Shoichi Kitazawa) and Advanced Telecommunications Research Institute International (Kazuto Yano) jointly won the 33rd ARIB Radio Achievement Award with "IEEE 802.19.3 Standardization and Development for Sub-1 GHz Wireless Frequency Coexistence". The ARIB is an organization similar to the FCC in the U.S. It is responsible for setting standards for all radio communications in Japan at the request of the Ministry of Internal Affairs and Communications (MIC). In order to promote the effective use of radio waves, the "Radio Achievement Award" is given annually to an individual or organization that has made a special achievement in the effective use of radio waves. This award is the most prestigious award in the field of wireless communications in Japan.
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AWARD Best conference paper of IEEE PES-GM 2020 Date: June 18, 2020
Awarded to: Tong Huang, Hongbo Sun, K.J. Kim, Daniel Nikovski, Le Xie
MERL Contacts: Daniel N. Nikovski; Hongbo Sun
Research Areas: Data Analytics, Electric Systems, OptimizationBrief- A paper on A Holistic Framework for Parameter Coordination of Interconnected Microgrids Against Natural Disasters, written by Tong Huang, a former MERL intern from Texas A&M University, has been selected as one of the Best Conference Papers at the 2020 Power and Energy Society General Meeting (PES-GM). IEEE PES-GM is the flagship conference for the IEEE Power and Energy Society. The work was done in collaboration with Hongbo Sun, K. J. Kim, and Daniel Nikovski from MERL, and Tong's advisor, Prof. Le Xie from Texas A&M University.
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News & Events
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NEWS MERL researchers presented four papers and organized a special session at The 14th IEEE International Electric Machines and Drives Conference Date: May 15, 2023 - May 18, 2023
Where: San Francisco, CA
MERL Contacts: Dehong Liu; Bingnan Wang
Research Areas: Applied Physics, Control, Electric Systems, Machine Learning, Optimization, Signal ProcessingBrief- MERL researchers Yusuke Sakamoto, Anantaram Varatharajan, and
Bingnan Wang presented four papers at IEMDC 2023 held May 15-18 in San Francisco, CA. The topics of the four oral presentations range from electric machine design optimization, to fault detection and sensorless control. Bingnan Wang organized a special session at the conference entitled: Learning-based Electric Machine Design and Optimization. Bingnan Wang and Yusuke Sakamoto together chaired the special session, as well as a session on: Condition Monitoring, Fault Diagnosis and Prognosis.
The 14th IEEE International Electric Machines and Drives Conference: IEMDC 2023, is one of the major conferences in the area of electric machines and drives. The conference was established in 1997 and has taken place every two years thereafter.
- MERL researchers Yusuke Sakamoto, Anantaram Varatharajan, and
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EVENT MERL's Virtual Open House 2022 Date & Time: Monday, December 12, 2022; 1:00pm-5:30pm ET
Location: Mitsubishi Electric Research Laboratories (MERL)/Virtual
Research Areas: Applied Physics, Artificial Intelligence, Communications, Computational Sensing, Computer Vision, Control, Data Analytics, Dynamical Systems, Electric Systems, Electronic and Photonic Devices, Machine Learning, Multi-Physical Modeling, Optimization, Robotics, Signal Processing, Speech & Audio, Digital VideoBrief- Join MERL's virtual open house on December 12th, 2022! Featuring a keynote, live sessions, research area booths, and opportunities to interact with our research team. Discover who we are and what we do, and learn about internship and employment opportunities.
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Internships
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EA0071: Internship - Modeling and Estimation of Electrical Machines
MERL is seeking a highly motivated and qualified individual to conduct research in differentiable modeling, estimation and control of electrical machines. The ideal candidate should have solid backgrounds in dynamical modeling of electrical machines, parameter estimation, and control theory. A proven record of publishing results in leading conferences/journals is necessary. Demonstrated knowledge of sensorless drive and experience of using dSPACE for real-time HIL experimentation is a plus. Senior Ph.D. students in electrical engineering, control, and related areas are encouraged to apply. Start date for this internship is flexible and the duration is about 3 months.
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EA0069: Internship - PWM inverter switching loss reduction
MERL is looking for a self-motivated intern to work on PWM inverter simulation and design. The ideal candidate would be a Ph.D. candidate in electrical engineering with solid research background in power electronics, control, and optimization. Experience in switching loss reduction modulation is desired. The intern is expected to collaborate with MERL researchers to carry out simulations, optimize design, analyze results, and prepare manuscripts for scientific publications. The total duration is 3 months.
Required Specific Experience
- Experience with simulation tools for PWM inverter design.
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OR0097: Internship - Hybrid AC/DC Power Systems
Mitsubishi Electric Research Laboratories (MERL) in Cambridge, MA, is seeking a highly motivated and qualified individual to join our summer internship program and conduct cutting-edge research on hybrid AC/DC power systems. The ideal candidate should be a senior or junior Ph.D. student in Electrical Engineering or a related field, with in-depth knowledge of AC and DC power systems, renewable generation, power electronics, and power system analysis and control. Strong programming skills in MATLAB, Python, or C/C++ are required. The expected duration of the internship is 3-4 months, and the start date is flexible.
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Openings
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Recent Publications
- "A Sparsity-Driven Method to Iteratively Extract Motor Fault Signatures in Varying-Speed Operations", International Conference on Electrical Machines and Systems (ICEMS), November 2024.BibTeX TR2024-162 PDF
- @inproceedings{Liu2024nov,
- author = {Liu, Dehong and Wang, Yebin and Shinya, Tsurutashin}},
- title = {A Sparsity-Driven Method to Iteratively Extract Motor Fault Signatures in Varying-Speed Operations},
- booktitle = {International Conference on Electrical Machines and Systems (ICEMS)},
- year = 2024,
- month = nov,
- url = {https://www.merl.com/publications/TR2024-162}
- }
, - "Proactive Sequential Phase Swapping Scheduling for Distribution Systems with a Finite Horizon", IEEE PES Asia-Pacific Power and Energy Engineering Conference, October 2024.BibTeX TR2024-149 PDF
- @inproceedings{Sun2024oct,
- author = {Sun, Hongbo and Kosanic, Miroslav and Kawano, Shunsuke and Raghunathan, Arvind and Kitamura, Shoichi and Takaguchi, Yusuke}},
- title = {Proactive Sequential Phase Swapping Scheduling for Distribution Systems with a Finite Horizon},
- booktitle = {IEEE PES Asia-Pacific Power and Energy Engineering Conference},
- year = 2024,
- month = oct,
- url = {https://www.merl.com/publications/TR2024-149}
- }
, - "Induction Motor Fault Classification with Topological Data Analysis", IEEE Energy Conversion Congress and Exposition (ECCE), October 2024.BibTeX TR2024-145 PDF
- @inproceedings{Wang2024oct,
- author = {Wang, Bingnan}},
- title = {Induction Motor Fault Classification with Topological Data Analysis},
- booktitle = {IEEE Energy Conversion Congress and Exposition (ECCE)},
- year = 2024,
- month = oct,
- url = {https://www.merl.com/publications/TR2024-145}
- }
, - "Sequentially Pruning Phase Rebalance Schedule: Load Profile Learning Approach", IEEE PES Innovative Smart Grid Technologies Conference - Europe (ISGT Europe), October 2024.BibTeX TR2024-143 PDF
- @inproceedings{Kosanic2024oct,
- author = {Kosanic, Miroslav and Sun, Hongbo and Kawano, Shunsuke and Raghunathan, Arvind and Kitamura, Shoichi}},
- title = {Sequentially Pruning Phase Rebalance Schedule: Load Profile Learning Approach},
- booktitle = {IEEE PES Innovative Smart Grid Technologies Conference - Europe (ISGT Europe)},
- year = 2024,
- month = oct,
- url = {https://www.merl.com/publications/TR2024-143}
- }
, - "ROBUST SLOT HARMONIC EXTRACTION IN VARYING SPEED OPERATIONS", 26TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES ICEM 2024, DOI: 10.1109/ICEM60801.2024.10700540, September 2024.BibTeX TR2024-119 PDF
- @inproceedings{Liu2024sep,
- author = {Liu, Dehong and Shinya, Tsurutashin}},
- title = {ROBUST SLOT HARMONIC EXTRACTION IN VARYING SPEED OPERATIONS},
- booktitle = {26TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES ICEM 2024},
- year = 2024,
- month = sep,
- publisher = {IEEE},
- doi = {10.1109/ICEM60801.2024.10700540},
- issn = {2473-2087},
- isbn = {979-8-3503-7060-7},
- url = {https://www.merl.com/publications/TR2024-119}
- }
, - "Supervised Contrastive Learning for Electric Motor Bearing Fault Detection", International Conference on Electrical Machines (ICEM), September 2024.BibTeX TR2024-120 PDF
- @inproceedings{Zhang2024sep,
- author = {Zhang, Hengrui and Wang, Bingnan}},
- title = {Supervised Contrastive Learning for Electric Motor Bearing Fault Detection},
- booktitle = {International Conference on Electrical Machines (ICEM)},
- year = 2024,
- month = sep,
- url = {https://www.merl.com/publications/TR2024-120}
- }
, - "Control Co-Design for Electric Vehicles with Driving Cycle Synthesis Encoding Road Traffic and Driver Characteristics", IEEE Conference on Control Technology and Applications (CCTA) 2024, DOI: 10.1109/CCTA60707.2024.10666575, August 2024.BibTeX TR2024-114 PDF
- @inproceedings{Park2024aug,
- author = {Park, Seho and Wang, Yebin and Qiao, Hongtao and Sakamoto, Yusuke and Wang, Bingnan and Liu, Dehong}},
- title = {Control Co-Design for Electric Vehicles with Driving Cycle Synthesis Encoding Road Traffic and Driver Characteristics},
- booktitle = {IEEE Conference on Control Technology and Applications (CCTA) 2024},
- year = 2024,
- month = aug,
- doi = {10.1109/CCTA60707.2024.10666575},
- url = {https://www.merl.com/publications/TR2024-114}
- }
, - "Power System Modeling for Identification and Control Applications using Modelica and OpenIPSL", Conference on Control Technology and Applications (CCTA), August 2024.BibTeX TR2024-112 PDF
- @inproceedings{Vanfretti2024aug,
- author = {{Vanfretti, Luigi and Laughman, Christopher R.}},
- title = {Power System Modeling for Identification and Control Applications using Modelica and OpenIPSL},
- booktitle = {Conference on Control Technology and Applications (CCTA)},
- year = 2024,
- month = aug,
- url = {https://www.merl.com/publications/TR2024-112}
- }
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- "A Sparsity-Driven Method to Iteratively Extract Motor Fault Signatures in Varying-Speed Operations", International Conference on Electrical Machines and Systems (ICEMS), November 2024.
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