In Preparation or Submitted
- “Mechanical Property Estimation for FDM 3D Printed Parts using Gaussian Process Regression,” submitted
- “New Approach for Fault Identification using Observer-based Residual,” submitted
- “Wavelet-like CNN Structure for Time-Series Data Classification,” submitted
- “Stochastic Degradation-based Optimal Swapping for Fleet-level Battery Utilization,” submitted
Journals
- S. Kim, S. Park, S. Woo, and S. Lee*, 2017, “Development and Analysis of the Interchange Centrality Evaluation Index Using Network Analysis,” J. Korean Soc. Transp. Vol.35, No.6, pp.525-544. [in Korean]
- H. Jeong, S. Kim, S. Woo, S. Kim and S. Lee*, 2017, “Real-time Monitoring System for Rotating Machinery with IoT-based Cloud Platform,” Transactions of the KSME A. [in Korean]
- H. Jeong, S. Park , S. Woo, and S. Lee*, 2016, “Rotating Machinery Diagnostics Using Deep Learning on Orbit Plot Images,” Procedia Manufacturing, Vol. 5, pp. 1107-1118.
- L. Cui, Y. Zhang, F. Zhang*, J. Zhang, and S. Lee, 2016, “Vibration Response Mechanism of Faulty Outer Race Rolling Element Bearings for Quantitative Analysis,” Journal of Sound and Vibration, 364, pp. 67-76.
- Z. Zhang, S. Wu*, L. Binfeng, and S. Lee, 2015, “(n,N) Type Maintenance Policy for Multi-component Systems with Failure Interactions,” International Journal of Systems Science, 46(6), pp. 1051-1064.
- Z. Zhang, S. Wu, S. Lee*, and J. Ni, 2014, “Modified Iterative Aggregation Procedure for Maintenance Optimization of Multi-component Systems with Failure Interaction,” International Journal of Systems Science, 45(12), pp. 2480-2489.
- A. Almuhtady, S. Lee*, E. Romeijn, M. Wynblatt, and J. Ni, 2014, “A Degradation-Informed Battery Swapping Policy for Fleets of Electric or Hybrid-Electric Vehicles,” Transportation Science, 48(4), pp. 609-618.
- W. Cheng, Z. Zhang*, S. Lee, and Z. He, 2014, “Investigations of Denoising Source Separation Technique and Its Application to Source Separation and Identification of Mechanical Vibration Signals,” Journal of Vibration and Control, 20(14), pp. 2100-2117.
- L. Cui*, J. Wang, S. Lee, 2014, “Matching pursuit of an adaptive impulse dictionary for bearing fault diagnosis,” Journal of Sound and Vibration, 333(10), pp. 2840-2862.
- S. Lee, J. Ko, X. Tan, I. B. Patel, R. Balkrishnan, J. Chang*, 2014, “Markov Chain Modeling and Analysis of HIV/AIDS Progression: A Race-based Forecast in the United States,” Indian Journal of Pharmaceutical Sciences, 76(2), pp. 107-115.
- Zhang, S. Wu, L. Binfeng, and S. Lee*, 2013, “Optimal Maintenance Policy for Multi-Component Systems under Markovian Environment Changes,” Expert Systems With Applications, 40(18), pp. 7391-7399.
- S. Lee*, X. Gu, M. Garcellano, M. Diederichs, and J. Ni, 2013, “Discovery of Hidden Opportunities in Manufacturing Systems: MOW and GMOW,” International Journal of Advanced Manufacturing Technology, 68(9), pp. 2611-2623.
- S. Lee*, X. Gu, and J. Ni, 2013, “Stochastic Maintenance Opportunity Windows for Unreliable Two-Machine One-Buffer System,” Expert Systems With Applications, 40(13), pp. 5385-5394.
- X. Gu, S. Lee*, X. Liang, M. Garcellano, M. Diederichs, and J. Ni, 2013, “Hidden Maintenance Opportunities in Discrete and Complex Production Lines,” Expert Systems with Application, 40(11), pp. 4353-4361.
- S. Lee, L. Li*, and J. Ni, 2013, “Markov-based Maintenance Planning Considering Repair Time and Periodic Inspection,” ASME Journal of Manufacturing Science and Engineering, 135(3), 031013 (12 pages), DOI:10.1115/1.4024152
- S. Lee* and J. Ni, 2012, “Joint Decision Making for Maintenance and Production Scheduling of Production Systems,” International Journal of Advanced Manufacturing Technology, 66(5-8), pp. 1135-1146.
- W. Cheng, S. Lee, Z. Zhang*, and Z. He, 2012, “Independent Component Analysis based Source Number Estimation and Its Comparison for Mechanical Systems,” Journal of Sound and Vibration, 331(2012), pp. 5153-5167.
- W. Cheng, Z. Zhang*, S. Lee, and Z. He, 2011, “Source Contribution Evaluation of Mechanical Vibration Signals via Enhanced Independent Component Analysis,” ASME Journal of Manufacturing Science and Engineering, 134(2), pp. 021014 (9 pages).
- S. Lee* and J. Ni, 2012, “Genetic Algorithm for Job Scheduling with Maintenance Consideration in Semiconductor Manufacturing Process,” Mathematical Problems in Engineering, Volume 2012, Article ID 875641, 16 pages, DOI:10.1155/2012/875641.
- S. Lee, L. Li*, and J. Ni, 2010, “Online Degradation Assessment and Adaptive Fault Detection Using Modified Hidden Markov Model,” ASME Journal of Manufacturing Science and Engineering, 132(2), pp. 021010-11.
International Conferences
- H. Jeong, M. Kim, B. Park, and S. Lee, 2017, “Vision-based Real-time Layer Error Quantification for Additive Manufacturing,” SME NAMRC 45, Los Angeles, CA, USA.
- H. Jeong, S. Park, B. Park, and S. Lee, 2017, “New Approach for Fault Identification using Observer-based Residual,” PHM Asia Pacific 2017, Jeju, Korea.
- S. Park, S. Kim and S. Lee, 2017, “Wavelet-like CNN Structure for Time-Series Data Classification,” PHM Asia Pacific 2017, Jeju, Korea.
- H. Kim, S. Park, E. Park, N. Kim, and S. Lee, 2017, “Mechanical Property Estimation for FDM 3D Printed Parts using Gaussian Process Regression,” PHM Asia Pacific 2017, Jeju, Korea.
- H. Kim, E. Park, S. Kim, B. Park, N. Kim, and S. Lee, 2017, “Experimental Study on Mechanical Properties of Single- and Dual-Material 3D Printing,” SME NAMRC 45, Los Angeles, CA, USA.
- S Lee, 2016, “Machine Learning and Data Visualization in Manufacturing,” the 2nd Pacific Rim Statistical Conference for Production Engineering, Seoul, Korea.
- H. Jeong, S. Park, and S. Lee, 2016, “Deep Learning based Diagnostics for Rotating Machinery on Orbit Analysis (slides),” Asian Conference Experimental Mechanics 2016, Jeju, Korea.
- H. Jeong, S. Woo, B. Park, and S. Lee, 2016, “PHM for Manufacturing Industry with IoT and Cloud Platform (slides),” Asian Conference Experimental Mechanics 2016, Jeju, Korea.
- H. Jeong, S. Woo, S. Kim, S. Park, H. Kim, and S. Lee, 2016, “Deep Learning based Diagnostics of Orbit Patterns in Rotating Machinery (slides),” PHM Conference 2016, Denver, CO, USA.
- H. Jeong, S. Park, S. Woo, and S. Lee, 2016, “Rotating Machinery Diagnostics using Deep Learning on Orbit Plot Images (slides),” SME NAMRC 44, Blacksburg, VA, USA.
- S. Park, H. Jeung, H. Min, and S. Lee, 2015, “System Diagnostics using Kalman Filter Estimation Error (slides),” The 3rd International Conference on Materials and Reliability, Jeju, Korea.
- A. Almuhtady, S. Lee, and J. Ni, 2013, “Planning by Maintenance-optimal Swapping for System-level Manufacturing Utilization,” Proc. of ASME 2013 International Manufacturing Science and Engineering Conference, Madison, WI. (MSEC2013-1075)
- A. Almuhtady, S. Lee, E. Romeijn and J. Ni, 2013, “A Maintenance-optimal Swapping Policy for a Fleet of Electric or Hybrid-Electric Vehicles,” The 2nd International Conference on Operations Research and Enterprise Systems (ICORES 2013), Barcelona, Spain. (ICORES 2013 best student paper award)
- S. Lee, 2012, “Hidden Markov Model with Independent Component Analysis,” US-Korea Conference on Science, Technology and Entrepreneurship, Los Angeles, CA. (UKC2012-131)
- S. Lee, H. Cui, M. Rezvanizaniani, and J. Ni, 2012, “Battery Prognositics: SoC and SoH Prediction,” Proc. of ASME 2012 International Manufacturing Science and Engineering Conference, Notre Dame, IN. (MSEC2012-7345)
- X. Gu, S. Lee, X. Liang, and J. Ni, 2012, “Extension of Maintenance Opportunity Windows to General Manufacturing Systems,” Proc. of ASME 2012 International Manufacturing Science and Engineering Conference, Notre Dame, IN. (MSEC2012-7346)
- W. Cheng, S. Lee, Z. Zhang, and Z. He, 2012, “Dissimilarity Measures for ICA-Based Source Number Estimation,” Proc. of ASME 2012 International Manufacturing Science and Engineering Conference, Notre Dame, IN. (MSEC2012-7340)
- A. Almuhtady, and S. Lee, and J. Ni, 2012, “Degradation-based Swapping Policy with Application to System-Level Manufacturing Utilization,” Proc. of ASME 2012 International Manufacturing Science and Engineering Conference, Notre Dame, IN. (MSEC2012-7280)
- S. Lee, 2011, “Development and Implementation of Optimal Maintenance Strategies at Automotive Assembly Plants,” US-Korea Conference on Science, Technology and Entrepreneurship, Park City, UT. (UKC2011-423)
- M. Rezvani, S. Lee, M. AbuAli, J. Lee, and J. Ni, 2011, “A Comparative Analysis of Techniques for Electric Vehicle Battery Prognostics and Health Management (PHM),” SAE 2011 Commercial Vehicle Engineering Congress and Exhibition, Rosemont, IL. (11CV-0191)
- S. Lee, A. Brzezinski, and J. Ni, 2011, “Plant Layout Optimization Considering the Effect of Maintenance,” Proc. ASME International Conference on Manufacturing Science and Engineering, Corvallis, OR. (MSEC2011-50233)
- S. Lee, L. Li, and J. Ni, 2010, “Adaptive Anomaly Detection Using a Hidden Markov Model,” Proc. ASME International Conference on Manufacturing Science and Engineering, Erie, PA. (MSEC2010-34169)
- J. Ni, S. Lee, and L. Li, 2009, “Predictive Modeling for Intelligent maintenance in Complex Semiconductor Manufacturing Processes,” Proc. of Advanced Equipment Control/Advanced Process Control Symposium Asia, Tokyo, Japan.
- S. Lee, L. Li, and J. Ni, 2009, “Modeling of Degradation Processes to Obtain an Optimal Solution for Maintenance and Performance,” Proc. ASME International Conference on Manufacturing Science and Engineering, West Lafayette, IN. (MSEC2009-84166)
- S. Lee, D. Djurdjanovic, and J. Ni, 2007, “Optimal Condition-Based Maintenance Decision-Making For a Cluster Tool,” Proc. of 9th Semiconductor Research Cooperation Technical Conference (SRC TechCon).
Domestic Conferences
- S. Park, S. Kim, and S. Lee, 2017, “Deep Learning Classification Model for Sequential Data,” The Korean Society for Noise and Vibration Engineering, Gwangju, Korea.
- H. Jeong, S. Park, and S. Lee, 2017, “Observer-based Fault Detection and Isolation for Rotating Machinery (slides),” The Korean Society for Noise and Vibration Engineering, Gwangju, Korea.
- H. Lee, S. Park, and S. Lee, 2017, “Vibration Comparison between High Speed Trains (KTX and SRT) in Korea (slides),” The Korean Society for Noise and Vibration Engineering, Gwangju, Korea.
- H. Jeong, S. Park, and S. Lee, 2017, “Rotating Machinery Diagnostics using Model-based Fault Detection and Isolation (slides),” Reliability Division in the Korean Society of Mechanical Engineers, Jeju, Korea.
- B. Park, H. Jeong, and S. Lee, 2017, “Servo Motor Diagnostics using Anomaly Detection (slides),” Reliability Division in the Korean Society of Mechanical Engineers, Jeju, Korea.
- S. Kim, S. Park, and S. Lee, 2017, “Deep Learning Structures for Time Series Data in Manufacturing (slides),” Reliability Division in the Korean Society of Mechanical Engineers, Jeju, Korea.
- S. Park, S. Kim, and S. Lee, 2017, “Interpretable CNN Structure for Time Series Data in Manufacturing,” Reliability Division in the Korean Society of Mechanical Engineers, Jeju, Korea.
- H. Kim, S. Kim, E. Park, N. Kim, and S. Lee, 2017, “Experimental Study on Improvement and Estimation of Mechanical Properties of FDM-based 3D Printing Products (slides),” Reliability Division in the Korean Society of Mechanical Engineers, Jeju, Korea.
- M. Kim, H. Jeong, B. Park, and S. Lee, 2017, “Development of Vision-based Quality Assurance System in 3D Printing (slides),” Reliability Division in the Korean Society of Mechanical Engineers, Jeju, Korea.
- S. Lee, 2016, “Mechanical Systems with Artificial Intelligence (slides),” the Korean Society of Mechanical Engineers 2016, Jeongseon, Korea, Invited.
- H. Jeong, and S. Lee, 2016, “Real-time Monitoring System for Power Plant with IoT-based Cloud Platform,” Reliability Division in the Korean Society of Mechanical Engineers, Pusan, Korea. (Best Student Paper Award)
- H. Jeong, and S. Lee, 2016, “Real-time Monitoring for Rotating Machinery with IoT and Cloud Platform,” The Korean Society for Noise and Vibration Engineering, Gyeongju, Korea.
- S. Woo, and S. Lee, 2016, “Visualization Method of PCA Algorithm for Machine Health Diagnostics,” The Korean Society for Noise and Vibration Engineering, Gyeongju, Korea.
- S. Lee, H. Min, H. Jeong, S. J. Lee, and C. Kim, 2015, “Anomaly Detection in Rotating Machinery based on Orbit Image Eigen-analysis,” The Korean Society for Noise and Vibration Engineering, Jeju, Korea.
- H. Min, H. Jeong, S. Park, and S. Lee, Y. Lee, 2015, “Misalignment Detection Algorithm in Stacking Processes,” Korean Institute of Industrial Engineering, Jeju, Korea.
- H. Jeong, S. Park, H. Min, S. Lee, R. Koo, Y. Bae, 2015, “Rotational Machinery Diagnostics via Singular Value Decomposition of Orbit Images,” Korean Institute of Industrial Engineering, Jeju, Korea.
- H. Min, H. Jeong, S. Park, and S. Lee, S. J. Lee, 2015, “Anomaly Detection in Rotating Machinery based on Machine Learning of Orbits’ Eigenvalues,” Reliability Division in the Korean Society of Mechanical Engineers, Jeju, Korea.
- H. Min, Y. Lee, H. Jeong, S. Park, and S. Lee, 2014, “Condition Monitoring in Multilayer Stacking Processes,” The Korean Society for Noise and Vibration Engineering, Mokpo, Korea.
- S. Lee, 2014, “Intelligent Fault Detection and Prediction System on Wind Turbine Gearboxes,” The Korean Society for Noise and Vibration Engineering, Gangchon, Korea.
- S. Lee, 2014, “Diagnostics of Automated Manufacturing Processes Using Event Time Durations,” Korean Society of CAD CAM Engineers, Pyeongchang, Korea.
Presentations and Talks
- [July 2017] Tutorial on Deep Learning for PHM, PHM Asia Pacific Conference, Jeju, Korea.
- [April 2017] Tutorial on Coding for Machine Learning and Deep Learning (link), KSNVE, Gwangju, Korea.
- [April 2017] Make IT Smarter via Deep Learning (slides), the department of Mechanical Engineering at POSTECH, Pohang, Korea.
- [April 2017] Intelligent Mechatronic Systems with Signal Processing, Control, and Optimization (slides), Hongik University, Seoul, Korea.
- [April 2017] How to Teach Engineering Mechanics as a recipient of outstanding teaching award at UNIST, Ulsan, Korea.
- [April 2017] Mechatronics with Machine Learning and Deep Learning (slides), Inha University, Incheon, Korea.
- [Mar. 2017] Machine Learning and Deep Learning in Manufacturing (slides), Korea Institute of Machinery and Materials (KIMM), Daejeon, Korea.
- [Jan. 2017] Bayesian Machine Learning and Data Visualization in PHM (slides), Korea Atomic Energy Research Institute (KAERI), Daejeon, Korea.
- [Nov. 2016] Machine Learning and Data Visualization in Manufacturing (slides), the department of Industrial and Management Engineering at POSTECH, Pohang, Korea.
- [Aug. 2016] Intelligent Mechanical Systems with Machine Learning (slides), KIMM, Daejeon, Korea.
- [July. 2016] IoT and Cloud Platform for Monitoring (slides), Signallink, Daegeon, Korea.
- [July. 2016] IoT-based PHM in Power Plants (slides), Korea Electric Power Corporation (KEPCO), Daejeon, Korea.
- [Dec. 2015] Introduction to PHM and Big Data Visualization, the Korea Aerospace University, Seoul, Korea.
- [Sep. 2015] Machine Learning for Machine Healthcare Systems, the Korea Certification Institute for Machine Diagnostics, Gwangju, Korea.
- [Aug. 2015] Big Data Mining and IoT-based PHM, Seoul National University, Seoul, Korea.
- [May. 2015] Big Data Visualization, ASPM Business Analytic Program, UNIST, Ulsan, Korea.
- [Mar. 2015] Big Data Visualization in Manufacturing, UNIST Big Data Symposium, UNIST, Ulsan, Korea.
- [Sep. 2014] Issues on Intelligent PHM, the Korea Institute for Machine Diagnostics, Kyeongju, Korea.
- [Dec. 2013] Diagnostics and Prognostics of Battery Management Systems, Samsung Advanced Institute of Technology, Suwon, Korea.
- [Nov. 2013] Guest Lecture on Self-Healing Engineering Systems, Ajou University, Suwon, Korea.
- [Oct. 2013] Issues on Intelligent Prognostics, KEPCO, Daejeon, Korea.
- [Oct. 2013] Introduction to iSystems Design Laboratory, UNIST, Ulsan, Korea.
- [May 2013] Die Monitoring in Progressive Stamping Process, IAB 25, P&G Mason Business Center, Mason, OH.
- [Mar. 2013] Diagnostics, Prognostics, and Decision-Making for Next Generation Manufacturing Factories, University of Maryland, College Park, MD.
- [Feb. 2013] Diagnostics, Prognostics, and Decision-Making for Next Generation Manufacturing Factory, University of Toronto, Toronto, ON, Canada.
- [Jan. 2013] Introduction to Intelligent Maintenance with Industrial Case Studies, Samsung Electro-mechanics, Suwon, Korea.
- [Jan. 2013] Smart Factory of the Future: Diagnostics, Prognostics, and Decision-Making, UNIST, Ulsan, Korea.
- [Jan. 2013] Linear Systems Theory for Prediction with Industrial Applications, UNIST, Ulsan, Korea.
- [Nov. 2012] Self-diagnostic Module Development for MLCC Stacker, IAB 24, National Instruments, Austin, TX.
- [Oct. 2012] Diagnostics and prognostics for machine health and decision-making towards predictive manufacturing factory, Ajou University, Suwon, Korea.
- [Oct. 2012] IMS introduction with case studies, Samsung Electro-mechanics, Suwon, Korea.
- [Nov. 2011] Remaining Useful Life Prediction and Optimal Replacement Policy for Battery, 2011 INFORMS Annual Meeting Conference, Charlotte, NC.
- [Nov. 2011] Job Scheduling Considering the Effect of Maintenance in Semiconductor Manufacturing, 2011 INFORMS Annual Meeting Conference, Charlotte, NC.
- [Nov. 2011] Maintenance Opportunity Windows in Manufacturing Systems, KSEA MI Local Chapter Technical Seminar, Ann Arbor, MI.
- [Oct. 2011] Introduction of Intelligent Maintenance Systems – Advanced Prognostics for Smart Systems, LG Electronics, Seoul, Korea.
- [Sep. 2011] Introduction of Intelligent Maintenance Systems, Samsung SDS, Seoul, Korea.
- [May 2011] Development and Implementation of Maintenance Strategies for Assembly Line, IAB 21, Boeing, St Louis, MO.
- [Oct. 2010] Decision Making for Joint Maintenance and Product Policies, 2010 INFORMS Annual Meeting Conference,Austin, TX.
- [May 2010] Integrated Production and Maintenance Planning for a Multiple Product System, IAB 19, GE Aviation, Cincinnati, OH.
- [May 2010] Maintenance Strategies for Manufacturing Systems using Markov Models, Ph.D. Oral Defense, University of Michigan, Ann Arbor, MI.
- [Dec. 2009] Degradation Modeling, Fault Detection, and Maintenance Planning, Eaton Innovation Center, Southfield, MI.
- [Oct. 2009] Machine Degradation Estimation and Maintenance for Multiple Product System, IAB 18, Avetec, Springfield, OH.
- [May 2009] Online Self-Adaptive Fault Learning and Pattern Discovery Method, IAB 17, Ford, Dearborn, MI.
- [May 2009] An Overview of the Maintenance Decision Support Tool, IAB 17, Ford, Dearborn, MI.
- [Nov. 2008] Modeling of Degradation Processes to Obtain an Optimal Solution for Maintenance, Engineering Graduate Symposium, University of Michigan, Ann Arbor, MI.
- [April 2008] Degradation Modeling and Buffer Management: A Maintenance Perspective, IAB 15, Caterpillar, Peoria, IL.
- [Oct. 2007] Optimal Maintenance Solution for Degradation System, IAB 14, Chrysler, Warren, MI.
- [Sep. 2007] Modeling of Degradation Processes to Obtain an Optimal Solution for Maintenance and Performance, Ph.D. Preliminary Examination, University of Michigan, Ann Arbor, MI.
- [Sep. 2007] Optimal Condition-Based Maintenance Decision-Making for a Cluster Tool, 2007 Semiconductor Research Cooperation Technical Conference, Austin, TX.
- [July 2007] Predictive Modeling and Intelligent Maintenance Tools for High Yield Next Generation Fab, 2007 SRC FORCeII Research Review, Durham, NC.
- [May 2007] Optimal Condition-Based Maintenance Decision-Making and Production Dispatching, IAB 13, P&G, Cincinnati, OH.
- [Nov. 2006] Intelligent Maintenance Decision-Making, IAB 12, Boeing, Saint Louis, MO.