PortalZefeng Lyu
Zefeng Lyu
Assistant Professor
Rayen School of Engineering
Moser Hall 2442
phone: (330) 941-7455
Bio
Dr. Zefeng Lyu is an Assistant Professor in the Rayen School of Engineering at Youngstown State University. He earned his Ph.D. in Industrial and Systems Engineering from the University of Tennessee, Knoxville (UTK), after completing his B.S. degree in Industrial Engineering at Zhejiang University of Technology. Prior to joining YSU, he was a Post-Doctoral Research Associate at UTK.
Research Interests
Dr. Lyu's research interests include optimization methods and machine learning, with applications in vehicle routing, infrastructure maintenance, and workforce scheduling.
Teaching Interests
His teaching interests include facilities planning, project management, as well as machine learning and data analytics for engineers.
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2023
Ph D, Industrial and Systems Engineering
The University of Tennessee
Dissertation/Thesis Title — "Exact Models, Heuristics, and Supervised Learning Approaches for Vehicle Routing Problems"
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2017
BS, Industrial Engineering
Zhejiang University of Technology
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2021
The University of Tennessee
The Lloyd W. Crawford Fellowship
The Lloyd W. Crawford Fellowship is awarded to students at the University of Tennessee for their academic achievements.
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2024 - 2024
The University of Tennessee
Postdoctoral Research Associate
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2025
"GIS-integrated optimization approaches for the culvert maintenance planning and scheduling problem"
Z. Lyu, C. Starr, A. Yu
Computers & Industrial Engineering, Elsevier BV, volume 207, p. 111318
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2024
"A Scalable and Adaptable Supervised Learning Approach for Solving the Traveling Salesman Problems"
Z. Lyu, M. Islam, A. Yu
IEEE Transactions on Intelligent Transportation Systems, Institute of Electrical and Electronics Engineers (IEEE), volume 25, issue 11, p. 17092-17104
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2023
"The pickup and delivery problem with transshipments: Critical review of two existing models and a new formulation"
Z. Lyu, A. Yu
European Journal of Operational Research, Elsevier BV, volume 305, issue 1, p. 260-270
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2023
"The Culvert Maintenance planning and scheduling problem: a mathematical formulation to optimize resource utilization"
Z. Lyu, C. Starr, A. Yu
50th International Conference on Computers and Industrial Engineering
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2022
"Q-learning and traditional methods on solving the pocket Rubik’s cube"
Z. Lyu, Z. Liu, A. Khojandi, A. Yu
Computers and Industrial Engineering, Elsevier, volume 171
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2021
"Consultant assignment and routing problem with priority matching"
Z. Lyu, A. Yu
Computers & Industrial Engineering, Elsevier BV, volume 151, p. 106921
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2021
"A Three-stage Heuristic for the Pickup and Delivery Problem with Occasional Drivers and Transshipment. In IIE Annual Conference"
Z. Lyu, A. Yu
2021 Institute of Industrial and Systems Engineers (IISE) Annual Conference
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2019
"Hybrid multi‑stage algorithm for a multi‑depot consultant assignment and routing problem"
Z. Lyu, A. Yu
49th International Conference on Computers and Industrial Engineering
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2024 - present
Session Chair
American Society for Engineering Management 2024 International Annual Conference and 45th Annual Meeting -
2024 - present
Reviewer, Journal Article
Computers and Industrial Engineering (Elsevier)