Home Page of John Hasenbein

RESEARCH INTERESTS

Stochastic fluid networks and stochastic programming
Fluid holding cost algorithms, linear and nonlinear approximations
Game-theoretic queueing models and pricing
Scheduling multiclass networks and jobshops via fluid approximations
Stability of multiclass fluid and queueing networks
Scheduling and analyis of semiconductor wafer fabs, scheduling with disruption management, robust scheduling
Queueing systems with wait-dependent service times, stability and optimal policies
Large deviations of reflected Brownian motion, associated variational problems
Diffusion approximations to queueing networks

POSITIONS HELD

Associate Professor, September 2005 - Present
Assistant Professor, September 1998 - August 2005
Graduate Program in OR/IE
Department of Mechanical Engineering
University of Texas at Austin
NSF International Research Fellow and Visiting Professor
CIMAT - Centro de Investigación en Matemáticas
Probability and Statistics Group
Guanajuato, GTO, Mexico
June 1999 - December 1999

EDUCATION

Ph.D. in Operations Research (Stochastics). School of Industrial and Systems Engineering,
Georgia Institute of Technology, September 1998.

M.S. in Operations Research. School of Industrial and Systems Engineering,
Georgia Institute of Technology, Spring 1995.

B.S. in Systems Science and Mathematics. Washington University, St. Louis. Spring 1991.

PhD STUDENTS

Jeriad Zogbhy, "Crictical Arc Strategies for the Reentrant Job Shop Scheduling Problem with Setups.'' Graduated September 2002.

Ronald Billings, "A Heuristic Method for Scheduling and Dispatching of Factory Production Using Multiclass Fluid Networks.'' Graduated December 2003.

Utku Yildirim, "Stability and Pricing of Queueing Networks." Graduated December 2006.
Current Position: Operations Research Scientist, Prorize, Inc.

Balaji Sampath, "Stability and Scheduling Analysis of the Cambridge Ring Queueing Network." Graduated May 2007.

Daniel Bauer, "Scheduling the Cambridge Ring.'' In progress.

Burak Buke, "Optimal Draining of Fluid Networks with Stochastic Parameters." Graduated December 2007. Burak's Web Page.

A. Kranthi Mitra, "Scheduling and Control of Stochastic Processing Networks." Graduated August 2007.

FUNDED PROJECTS

Designing and Controlling Processing Networks with Parameter Uncertainty. Funded by NSF (joint with D. Morton). June 2008 - May 2011 ($380,000).

Predictive Maintenance and Small Lot Manufacturing. Funded by AMD via the Advanced Manufacturing Center, UT-Austin (joint with E. Kutanoglu). September 2007 - present ($50,000).

Simulation Modeling Group Internship Program. Funded by International SEMATECH, Austin, Texas. January 2001- present ($290,000).

CAREER Award: Scheduling of Multiclass Queueing Networks via Fluid Models. Funded by the National Science Foundation. June 2002 - May 2008 ($375,000).

Fab-wide Control and Disruption Management in High Volume Semiconductor Manufacturing. Funded by NSF/SRC/ISMT (joint with S. J. Qin and E. Kutanoglu). September 2004 - August 2007 ($400,000).

Queueing Methods for Analysis and Scheduling of Transport Rings. Funded by the National Science Foundation. September 2003 - August 2007 ($139,000).

International Research Fellowship: Reentrant Line Models for Use in Semiconductor Manufacturing. National Science Foundation and CIMAT , Mexico. May 1999 - January 2000 ($24,000).

Avoiding Virtual Bottlenecks in Semiconductor Wafer Fabrication. Harris Semiconductor, Palm Bay, FL (joint with J. Dai at Georgia Tech). Fall 1995 - August 1998 ($75,000).

JOURNAL ARTICLES

Warning: PDF files may not download properly in Internet Explorer. To fix this (a) Use non-Bill Gates' software like Firefox to download. (b) Download using Internet Explorer, but then save file to your hard disk and open separately with Adobe Acrobat.

J. G. Dai, J. J. Hasenbein, and B. Kim, "Stability of Jackson type Networks with Multi-server Stations and Alternate Routes." Working paper.

Y. Cai, E. Kutanoglu, J. J. Hasenbein, and J. S. Qin, "WIP-controlled High-level Scheduling Models to Improve Hierarchical Production Planning, Scheduling, and Dispatching." Submitted March 2008.

U. Yildirim and J. J. Hasenbein, "Admission Control and Pricing in a Queue with Batch Arrivals." Submitted December 2007. [Abstract, full paper batch.pdf].

J. M. Harrison and J. J. Hasenbein, "Reflected Brownian motion in the quadrant: Tail behavior of the stationary distribution." Under revision for Queueing Systems. [Abstract, full paper in PDF format hhaug2007.pdf].

B. Buke, J. J. Hasenbein, and D. P. Morton, "Minimizing Makespan in a Multiclass Fluid Network with Parameter Uncertainty." To appear in Probability in Engineering and the Informational Sciences. [Abstract, full paper in PDF format bhm.pdf].

J. G. Dai, J. J. Hasenbein, and B. Kim, "Stability of Join-the-Shortest-Queue Networks." Queueing Systems, Vol. 57, No. 4, pp. 129-145 (2007). [Abstract, full paper in PDF format dhk.pdf].

U. Yildirim and J. J. Hasenbein, "Stability in Queueing Networks via the Finite Decomposition Property." To appear in the Asia-Pacific Journal of Operational Research. [Abstract, full paper in PDF format hasyil_2006.pdf].

N. Smith, D. Garza, and J. J. Hasenbein, "Strategic Level Models for Co-Supplier Evaluation Considering Delivery Interaction Effects, Quality Levels, and Disaster Distributions." International Journal of Production Research, Vol. 44, No. 9, pp. 1845-1862 (2006).

D. Gamarnik and J. J. Hasenbein, "Instability in Stochastic and Fluid Queueing Networks," Annals of Applied Probability,Vol. 15, pp. 1652-1690 (2005). [Abstract, full paper in PDF format InstabilityFinal.pdf].

J. Zogbhy, J.W. Barnes, and J.J. Hasenbein,"Modeling the Reentrant Job Shop Scheduling Problem with Setups for Metaheuristic Searches,"European Journal of Operational Research, Vol. 167, pp. 336-348 (2005).

J. J. Hasenbein, S. Sigireddy, and R. Wright, "Taking a Queue from Simulation," Industrial Engineer, Vol. 36, No. 8, pp. 39-43 (2004).

J. G. Dai, J. J. Hasenbein, and J. H. Vande Vate, "Stability and Instability of a Two-Station Queueing Network," Annals of Applied Probability, Vol. 14, No. 1, pp. 326-377 (2004). [abstract , full paper in PDF format combo061102.pdf ].

J. J. Hasenbein, "Stability of Fluid Networks with Proportional Routing," Queueing Systems , Vol 38, pp. 327-354 (2001). [abstract , full paper in postscript format: prop022001.ps , or PDF format: prop022001.pdf ].

F. Avram, J. G. Dai and J. J. Hasenbein, "Explicit Solutions for Variational Problems in the Quadrant," Queueing Systems , Vol 37, pp. 259-289 (2001). [abstract , full paper in postscript format: adh3100.ps , or PDF format: adh3100.pdf ]

J. G. Dai, J. J. Hasenbein and J. H. Vande Vate, "Stability of a Three-Station Fluid Network," Queueing Systems , Vol 33, pp. 293-325 (1999). [abstract or full paper: in PDF format april07.pdf (168 Kbytes) or Postscript 990324.ps (352 Kbytes)]

J. J. Hasenbein, "Necessary Conditions for Global Stability of Multiclass Queueing Networks," Operations Research Letters, Vol 21, pp. 87-94 (1997). [ abstract or full paper: ORnec2.ps (164 Kbytes)]

J. W. Clark, S. Gazula, K. A. Gernoth, J. Hasenbein, J. Prater, and H. Bohr, "Collective computation of many-body properties by neural networks," Recent Progress in Many-Body Theories, Vol. 3, T. L. Ainsworth, C. E. Campbell, B. E. Clements, and E. Krotscheck, eds. (Plenum, New York, 1992), pp. 371-386. [full paper: nnetworks.ps (170 Kbytes)]

SELECTED PAPERS IN CONFERENCE PROCEEDINGS

K. Rust, T. Stanley, and J.J. Hasenbein "Modeling Hotter Hot Lots," Proceedings of the 2001 International Conference On Semiconductor Manufacturing Operational Modeling And Simulation (SMOMS 2001), Seattle, Washington.

R. Billings and J.J. Hasenbein, "Applications of Fluid Models to Semiconductor Fab Operations," Proceedings of the 2001 International Conference On Semiconductor Manufacturing Operational Modeling And Simulation (SMOMS 2001), Seattle, Washington.

R. Billings and J.J. Hasenbein, "A Survey of Applications of Fluid Models to Semiconductor Fab Operations," Proceedings of the International Conference on Modeling and Analysis of Semiconductor Manufacturing 2000, Tempe, Arizona. [abstract , full paper in Word format: masm.doc ]

CLASSES TAUGHT

Probability and Statistics for Engineers - ME 335
Applied Stochastic Processes - ORI 390R.4
Applied Probability - ORI 390R.1
Queueing Theory - ORI 390R.8
Operations Research Models - ME 366L

CONFERENCE PRESENTATIONS

"Networks with Parameter Uncertainty: Asymptotic Optimality via Stochastic Fluid Models." Invited talk at 14th INFORMS Applied Probability Conference, Eindhoven, Netherlands, July 2007.
"Reflected Brownian Motion in the Quadrant: Tail Behavior of the Stationary Distribution." Invited talk at INFORMS Conference, Pittsburgh, Pennsylvania, November 2006.
"The Makespan Problem in Stochastic Fluid Networks." Invited talk at 13th INFORMS Applied Probability Conference, Ottawa, Canada, July 2005.
"Instability in Stochastic and Fluid Queueing Networks." Invited talk at Stochastic Networks Conference, Montreal, Canada, July 2004.
"Scheduling the Cambridge Ring." Invited talk at INFORMS Conference, Atlanta, Georgia, October 2003.
"Scheduling Multiclass Queueing Networks via Fluid Models." Tutorial given at INFORMS Conference, San Jose, California, November 2002. Downloads available here.
"Stability and Scheduling of the Cambridge Ring." Invited talk at INFORMS Conference, San Jose, California, November 2002.
"An Overview of Global Stability and Efficiency Results for Multiclass Queueing Networks." Invited talk at First Madrid Conference on Queueing Theory , Madrid, Spain, July 2002.
"Instability of Fluid and Queueing Networks." Invited talk at INFORMS Conference, Miami, Florida, November 2001.
"Fluid models and Epsilon-Deterministic Networks." Invited talk at 11th INFORMS Applied Probability Conference, New York, New York, July 2001.
"Scheduling and Stability of Queues with Wait-Dependent Service Times." Invited talk at INFORMS Conference, San Antonio, Texas, November 2000.
"On the Stability Gap between Fluid & Queueing Networks." Invited talk at INFORMS Conference, Philadelphia, Pennsylvania, November 1999.
"Sufficient Conditions for the Stability of Fluid Networks via Network Flow Analysis." Invited talk at INFORMS Conference, Philadelphia, Pennsylvania, November 1999.
"Large Deviations for Regulated Brownian Motion." Invited talk at the 10th Annual INFORMS Applied Probability Conference, Ulm, Germany, July 1999.
"Stability of Queueing and Fluid Reentrant Networks." Minisymposium talk at the 5th SIAM Conference on Applications of Dynamical Systems, Snowbird, Utah, May 1999.
"On the stability of fluid and discrete networks." Invited talk at INFORMS Conference , Dallas, Texas, Fall 1997.
"Stability of fluid networks arising from queueing systems." MAA Conference, Atlanta, Georgia, August 1997.
"On the monotone global stability regions of fluid networks." Invited talk at INFORMS Applied Probability Conference, Cambridge, Massachusetts, June 1997.
"On the global stability region of two-station queueing networks with probabilistic routing." Invited talk at INFORMS Conference , San Diego, California, Spring 1997.
"Necessary conditions for global stability of multiclass queueing networks." Invited talk at INFORMS Conference , Atlanta, Georgia, Fall 1996.

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