Vita

 

Darwin J. Davis, Ph.D.
Associate Professor of Operations Management 

 

Department of Business Administration 
Alfred Lerner College of Business & Economics 
University of Delaware 
Newark, DE 19716

 

E-mail    Phone: (302) 831-1789    Fax : (302) 831-4196

 

EDUCATION

INDIANA UNIVERSITY, Bloomington, Indiana

Ph.D. in Operations Management with minor in Decision Sciences

Graduated June, 1996

 

UNIVERSITY OF DELAWARE, Newark, Delaware

M.B.A.

Graduated June, 1991

 

UTAH STATE UNIVERSITY, Logan, Utah

B.A. in Mathematics

Graduated June, 1989

 

RESEARCH INTERESTS

 

RESEARCH ACTIVITY

Peer-Reviewed Journal Publications:

Saniga, Erwin M., Davis, Darwin J., and Lucas, James M. (2009), “Using Shewhart and CUSUM Control Charts for Diagnosis with Count Data in a Vendor Certification Study,” Journal of Quality Technology, Vol. 41, No. 3, pp. 217-227.

Davis, Darwin J., Kher, Hemant V., and Wagner, Bret J. (2009), “Influence of Workload Imbalances on the Need for Worker Flexibility.” Computers and Industrial Engineering, Vol 57, pp. 319-329.

Reprint:  The following article appears as a reprint in the Handbook of Military Industrial Engineering, Adedeji B. Badiru and Marlin U. Thomas, editors, CRC Press: 2009.

Jaber, Mohamad Y., Kher, Hemant V., and Davis, Darwin J. (2003). "Countering Forgetting Through Training and Deployment," International Journal of Production Economics, Vol. 85, No. 1, pp. 33-46.

Lucas, James M., Davis, Darwin J., and Saniga, Erwin M. (2006). “Detecting Improvement with Shewhart Attribute Control Charts When the Lower Control Limit is Zero,” IIE Transactions, Vol. 38, No. 8, pp. 659-669.   IIE Transactions Award:  2008 Best Paper in Quality and Reliability Engineering

Saniga, Erwin M., McWilliams, Thomas P., Davis, Darwin J., and Lucas, James M. (2006).  “Economic Control Chart Policies for Monitoring Variables,” International Journal of Productivity and Quality Management, Vol. 1, Nos. 1/2, pp. 116-138.

Saniga, Erwin M., McWilliams, Thomas P., Davis, Darwin J. and Lucas, James M. (2005). “Economic Advantages of CUSUM Control Charts for Variables,” Frontiers in Statistical Quality Control, H-J. Lenz and P-T Wilrich, eds, . Vol. 8, Physica Verlag,  pp. 185-198.  

Saniga, Erwin M., Davis, Darwin J., and Lucas, James M. (2004). “Statistical Design of Attribute Charts for Monitoring and Continuous Improvement when Count Levels are Low,”  Frontiers in Statistical Quality Control, Vol. 7.

Jaber, Mohamad Y., Kher, Hemant V., and Davis, Darwin J. (2003). "Countering Forgetting Through Training and Deployment," International Journal of Production Economics, Vol. 85, No. 1, pp. 33-46.

Wagner, Bret J., Davis, Darwin J., and Kher, Hemant V. (2002). "The Production of Several Items in a Single Facility with Linearly Changing Demand Rates," Decision Sciences, Vol. 33, No. 3, pp. 317-346.

Wagner, Bret J. and Davis, Darwin J. (2002). "A Search Heuristic for the Sequence-Dependent Economic Lot Scheduling Problem," European Journal of Operational Research, Vol. 141, No. 1, pp. 133-146.

McWilliams, Thomas P., Saniga, Erwin M. and Davis, Darwin J. (2001). "On the Design of Single Sample Acceptance Sampling Plans," Economic Quality Control, Vol. 16, No 2, pp. 193-198.

Wagner, Bret J. and Davis, Darwin J. (2001). "Discrete Sequential Search with Group Activities," Decision Sciences, Vol. 32, No. 4, pp. 557-573.  

McWilliams, Thomas P., Saniga, Erwin M. and Davis, Darwin J. (2001), "Economic-Statistical Design of and R Charts or  and S Charts," Journal of Quality Technology, Vol. 33, No. 2, pp. 234-241.

Davis, Darwin J. and Mabert, Vincent A. (2000), "Order Dispatching and Labor Assignment in Cellular Manufacturing Systems," Decision Sciences, Vol. 31, No. 4, pp. 745-771.

Saniga, Erwin M., Davis, Darwin J. and McWilliams, Thomas P. (1995), "Economic, Statistical and Economic/Statistical Design of Attribute Charts," Journal of Quality Technology, Vol. 27, No. 1, pp. 56-73.

Proceedings / Presentations:

Davis, Darwin J., Saniga, Erwin M., McWilliams, Thomas P., and Lucas, James M. (2011), "When to Use a CUSUM for Counts & Design of CUSUMs for Counts," presented at the Fall Technical Conference of the American Statistical Association and the American Society for Quality in Kansas City, Missouri.

Davis, Darwin J., Saniga, Erwin M., McWilliams, Thomas P., and Lucas, James M. (2011), "When to Use a CUSUM for Counts & Design of CUSUMs for Counts," invited presentation at the National Quality Month Statistical Symposium: Partnering Quality and Statistics sponsored by the American Society for Quality and the Engineering Division of Penn State Great Valley on the campus of Penn State Great Valley, Pennsylvania, October 7, 2011.

Saniga, Erwin M., Lucas, James M., Davis, Darwin J., and McWilliams, Thomas P. “Economic Control Chart Policies for Monitoring Variables When There Are Two Components of Variance.” Proceedings of the XVI^th International Workshop on Intelligent Statistical Quality Control, Seattle, Washington, August 18-20, 2010, pp. 185-195.

Lucas, James M., Davis, Darwin J., and Saniga, Erwin M. “Detecting Improvement with Shewhart Attribtute Control Charts When the Lower Control Limit is Zero,” IIE Transactions, 2006, Vol. 38, No. 8, pp. 659-669, invited presentations:   

Institute for Operations Research and The Management Sciences, Washington DC (October 12, 2008) in connection with the IIE Transactions Award:  2008 Best Paper in Quality and Reliability Engineering for the paper published in IIE Transactions.

IIE Annual Conference and Expo 2008 in Vancouver, British Columbia, Canada (May 18, 2008) in connection with the IIE Transactions Award:  2008 Best Paper in Quality and Reliability Engineering for the paper published in IIE Transactions.

George Washington University Statistics Department Seminar (May 2, 2008).   

Davis, Darwin J. and Kher, Hemant V. “Short Life Cycles and Supply Chain Responsiveness.” Presented at the Eighteenth Annual Conference of the Production & Operations Management Society May 4 – May 7, 2007, Dallas, TX.

Davis, Darwin J. and Kher, Hemant V. (2006), “Design for Supply Chain Responsiveness,” presented at the 17th Annual Conference of the Production and Operations Management Society, Boston, Massachusetts.

Saniga, Erwin M., Davis, Darwin J., and Lucas, James M., “CUSUMS for Count Data and Some Extensions,” invited presentation at the Decision Sciences Colloquium Series, Drexel University, Philadelphia, PA (April 10, 2006).

Saniga, Erwin M., McWilliams, Thomas P., Davis, Darwin J. and Lucas, James M. (2004), “Economic advantages of CUSUM Control Charts for Variables,” Proceedings of the 8^th International Workshop on Intelligent Statistical Quality Control, Polish Academy of Sciences, Warsaw, Poland.  

Saniga, Erwin M., Davis, Darwin J., and Lucas, James M., “Using Shewhart and CUSUM Control Charts for Diagnosis with Count Data in a Vendor Certification Study,” invited presentations:

University of Delaware Department of Business Administration Research Seminar Series (March 29, 2004).

Baltimore Section of the American Society for Quality (January 13, 2004).

Free University of Berlin, Institute for Statistics and Mathematical Economics Seminar Series (October 30, 2003).

Saniga, Erwin M., Lucas, James M., Davis, Darwin J. (2002), "A Comparison of Shewhart and CUSUM Methods for Diagnosis in a Vendor Certification Study," presented at the Fall Technical Conference of the American Statistical Association and the American Society for Quality in Philadelphia, Pennsylvania.

Saniga, Erwin M., Davis, Darwin J., and Lucas, James M. (2001), "Statistical Design of Attribute Charts for Monitoring and Continuous Improvement When Count Levels are Small," Proceedings of the VII^th International Workshop on Intelligent Statistical Quality Control, Waterloo, Canada.

Jaber, Mohamad Y., Kher, Hemant V., and Davis, Darwin J. (2001), "Worker Training in the Presence of Learning and Forgetting," Proceedings of the 5th International Conference on Industrial Engineering and Production Management, Quebec, Canada, Vol. 1, pp. 101-111.

Kher, Hemant V., Davis, Darwin J., and Wagner, Bret J. (2001), "Worker Flexibility and Staffing Levels in the Presence of Workload Imbalances," DSI Conference Proceedings.

Lucas, James M., Davis, Darwin J., and Saniga, Erwin M. (2000), "Detecting Quality Improvement When the Lower Shewhart Control Chart Limit is Negative," presented at the Fall Technical Conference of the American Statistical Association and the American Society for Quality in Minneapolis, Minnesota.

Wagner, Bret J. and Davis, Darwin J. (1999), "Sequencing Process Diagnostics to Minimize the Expected Problem Detection Time," International DSI Conference Proceedings.

Davis, Darwin J. and Mabert, Vincent A. (1996), "Resource Management in Linked-Cell Manufacturing Systems," DSI Conference Proceedings.

Davis, Darwin J. and Mabert, Vincent A. (1994), "Resource Management in Linked-Cell Manufacturing Systems: Preliminary Investigation," presented at the DSI Conference in Honolulu, Hawaii.

Published Teaching Materials 

"Find-It-Fast Files," a case in experimental design for quality improvement, with associated teaching materials, written with Vincent A. Mabert, published in Cases in Total Quality Management, Jay H. Heizer and Jay Nathan, editors, South-Western College Publishing: 1998.

 

Professional Affiliations

Decision Sciences Institute

American Society for Quality

Production & Operations Management Society