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Dr. Charles David Ray

Assistant Professor of Wood Operations Research

205 Forest Resources Building, University Park, PA 16802

Phone (814) 865-0679, Fax (814) 863-7193

cdr14@psu.edu

Professional:
Partner, Scientific Management Solutions, LLC
Trustee, Northeast Section, Forest Products Society (2002-2004)
Vice-Chairman, Pacific NW Section, Forest Products Society (2001-2002)
Member, Quality Management Working Group, Western Wood Products Association (2000-2001)
Board of Directors, Forest Products Society (1998 - 2000)
Board of Directors, Texas Agribusiness Council (1995 - 1997)
Adjunct Professor, Texas A&M University (1995 - 1997)
Chairman, Mid-South Section, Forest Products Society (1994-1995)
Member, Institute of Industrial Engineers
Member, The Forest Products Society
Member, The Society of Wood Science and Technology

Current Funded Research Projects:

“Simulation of process push/pull manufacturing in dimension mill operation.” USDA Forest Service, Princeton, W. Va.

“Dielectric and Microwave Applications for the Phytosanitary Treatment of Wood Packing Materials.” Cooperating Investigator with Janowiak, et al. Funded by the Competitive Grants Program, USDA – CSREES, Washington, DC.

COMPLETE C.V.

Education:
B.S.F, Stephen F. Austin State University (1986)
Ph.D., Texas A&M University (1991)
 !    Academic Interests
• Wood products operations management
• Biomass Energy
• Operations research
• Wood industry economics
• Process control, simulation, and optimization
• Statistical quality control
http://www.google.com/search?hl=en&lr=&q=statistical%2Bquality%2Bcontrol&btnG=Search
•

Relationships of wood, moisture, product properties, and environmental emissions
• Intelligent systems and knowledge engineering
http://www.google.com/search?hl=en&lr=&q=intelligent%2Bsystems%2Bknowledge%2Bengineering&btnG=Search
• Lean manufacturing
• Wood industry supply chain design and optimization
• Industrial ecology of wood manufacturing firms
• Hardwood kiln drying optimization
•

Wood industry performance and efficiency metrics

 
 !   Selected Publications
• Ray, C.D., A. Laddad, and J.A. Ventura. 2007. "The impact of cutting bill variability on product flow for a hardwood dimension mill as determined through discrete event simulation." Wood Fiber Sci. 39(4):614-627.
• Ray, C.D., J. Janowiak, J. Michael, and H. Bachev. 2007. “Economic and Environmental Impact Assessment of Proposed Bark-Free Requirements for Wood Pallets in International Trade.” J. Forest Prod. Bus. Research 4(6).
• Ray, C.D., N. Gattani, E. del Castillo, and P.B. Blankenhorn. 2007. “Identification of the relationship between equilibrium moisture content, dry bulb temperature, and relative humidity using regression analysis.” Wood Fiber Sci. 39(2):299-306.
• Ray, C.D., V. Wadhwa, and J.H. Michael. 2007. “Impact of Overrun on Optimal Performance of Hardwood Sawmills.” Wood Fiber Sci. 39(2):291-298.
• Ray, C.D. 2007. "The virtual extension specialist."
http://www.joe.org/joe/2007April/a6.shtml J. Extension 45(2).
• Ray, C.D. and E. Deomano. 2007.“Bark occurrence in U.S. and Canadian wooden pallets.” Forest Prod. J. 57(3):84-88.
• Ray, C.D., J.H. Michael, and B.N. Scholnick. 2006. “Supply-chain system costs of alternative grocery industry pallet systems.” Forest Prod. J. 56(10):52-57.
• Ray, C.D., X. Zuo, J. Michael, and J. Wiedenbeck. 2006. "The Lean Index: Operational 'Lean' Metrics for the Wood Products Industry." Wood Fiber Sci. 38(2):238-255.
• Ray, C.D., N. Gattani, E. del Castillo, and P.R. Blankenhorn. 2005. “Time Series Techniques for Dynamic, Real-Time Control of Wood Manufacturing Processes." Forest Prod. J. 55(10):64-71.
• Gattani, N., E. del Castillo, C.D. Ray, and P.R. Blankenhorn. 2005. “Time Series Analysis and Control of Dry Kilns.” Wood Fiber Sci. 37(3):472-483.

This page was last updated on October 25, 2007 .