Dr. Myoungsoo (Andy) Ham, Ph. D.

Associate Professor of Industrial & Systems Engineering
School of Engineering and Computational Sciences

Dr. Andy Ham is an associate professor in the School of Engineering and Computational Sciences at Liberty University. He received his Ph.D. degree in Industrial Engineering at Arizona State University and his M.S. degree in Operations Research at University of Texas at Austin. He has over 15 years of industry experiences from Samsung, IBM, Texas Instrument, and AMD/Global Foundries.

Education

  • Ph. D., Industrial Engineering - Arizona State University
  • Master’s of Science Operations Research - University of Texas at Austin

Research Areas

  • Scheduling robots cooperatively with other types of robots
  • Transportation (E-VRP, UAV-Truck, UAV-Blimp, UAV in warehouse)
  • Real-time dispatching and real-time scheduling
  • SCM/Production scheduling
  • Discrete and combinatorial optimization
  • Linear and integer programming
  • Constraint programming

Professional Service

  • 2014 Winter Simulation/MASM: Technical Program Committee
  • 2013 Computer and Operations Research: Guest editor
  • 2012 Winter Simulation/MASM: Conference Organizer
  • 2010 Informs Meeting: Session chair
  • Reviewer International J. of Production Research
  • Reviewer IEEE Trans. on Semiconductor Manufacturing
  • Reviewer Arabian Journal for Science and Engineering

Publications

  • Ham, A. Scheduling of Dual Resource Constrained Lithography Production: Using CP and MIP/CP. IEEE Transactions on Semiconductor Manufacturing, 2017

  • Ham, A., Fowler, J., and Cakici, E. Constraint Programming Approach for Scheduling Jobs with Release Times, Non-identical Sizes, and Incompatible Families on Parallel Batching Machines. IEEE Transactions on Semiconductor Manufacturing, 30 (4), 500-507, 2017

  • Ham, A. Flexible Job Shop Scheduling Problem for Parallel Batch Processing Machine with Compatible Job Families. Applied Mathematical Modeling, 45, 551-562, 2017

  • Ham, A.M., Cakici, E., Flexible job shop scheduling problem with parallel batch processing machines: MIP and CP approaches, Computers & Industrial Engineering, 2016

  • Ham, A., and Cho, M., A Practical Two-Phase Approach to Scheduling of Photolithography Production. IEEE Transactions on Semiconductor Mfg., 28 (3), 367 –373, 2015.

  • Jung, C., Pabst, P., Ham, M., Stehli, M., and Rothe, M., An Effective Problem Decomposition Method for Scheduling of Diffusion Processes Based on Mixed Integer Linear Programming. IEEE Transactions on Semiconductor Mfg., 27 (3), 357–363, 2014.

  • Ham, M., Integer programming-based real-time dispatching (i-RTD) heuristic for wet-etch station at wafer fabrication, International Journal of Production Research, 2011.

  • Ham, M., Lee, Y. H., and Ahn, J. H., IP-based real time dispatching for two-machine batching problem with time window constraints, IEEE Transactions on Automation Science and Engineering, 8 (3), 589 – 597, 2011.
  • Ham, M., Lee, Y. H., and Kim, S. H., Real-time scheduling of multi-stage flexible job shop floor, International Journal of Production Research, 49 (12), 2011.

Conference Proceedings 

  • Ham, A. and Kim, DJ., Scheduling of drone-based material transfer system in semiconductor manufacturing , Winter Simulation Conference/MASM, 2017.

  • Ham, A., & Fowler, J. (2017, May). Constraint programming approach for scheduling batch operations with incompatible job families in fab and compatible job families in backend: FA: Factory automation. In Advanced Semiconductor Manufacturing Conference (ASMC), 2017 28th Annual SEMI(pp. 294-297). IEEE.

  • Ham, A. (2016, December). Flexible job shop scheduling problem with parallel batch processing machine. In Proceedings of the 2016 Winter Simulation Conference (pp. 2740-2749), 2016.

  • Ham, M. and Choi, S., Short-Interval Expository Real-Time Scheduling of Semiconductor Manufacturing with Mixed Integer Programming, Winter Simulation Conference/MASM, 2014.

  • Jung, C., Pabst, D., Ham, M., Stehli, M., and Rothe, M., An Effective Problem Decomposition Method for Scheduling of Diffusion Processes Based on Mixed Integer Linear Programming, IEEE/SEMI Advanced Semiconductor Manufacturing Conference, 2013
  • Ham, M., Ko, W. H., and Ahn, J. H., Integer programming based real time scheduling of cluster tool, Informs, 2010.
  • Ham, M., Lee, Y. H., and Fowler, J., Integer programming based real time scheduling in semiconductor manufacturing, Winter Simulation Conference, 2009.
  • Ham, M. and Fowler, J., Balanced machine workload dispatching scheme for wafer fab, IEEE/SEMI Advanced Semiconductor Manufacturing Conference, 2007.
  • Ham, M. et al., Dynamic wet-furnace dispatching/scheduling in wafer fabrication, IEEE/SEMI Advanced Semiconductor Manufacturing Conference, 2006.
  • Ham, M. and Dillard, F., Dynamic photo stepper dispatching/scheduling in wafer fabrication, IEEE International Symposium on Semiconductor Manufacturing, 2005.