Yin-Lin Shen
                                           Professor of Engineering and Applied Science
                                           Office: Academic Center, Room T727
                                           Tel:    (202) 994-5995
                                           Fax:   (202) 994-0238
                                           E-Mail: yshen@gwu.edu

Fall 2004 Office Hours
W, R: 1:30-3:30pm
All other days: by appointment

Education

Ph.D. University of Wisconsin-Madison, 1991
Major - Mechanical Engineering
Minor - Electrical Engineering

M.S. National Chiao Tung University (Taiwan), 1982
Major: Management Sciences

B.S. National Chiao Tung University (Taiwan), 1980
Major: Mechanical Engineering

Specialty Areas

• Computer-Integrated Design and Manufacturing
• Precision Engineering
• Metrology
• CAD/CAM
• Manufacturing Automation 

Research Projects 

• Metrology in Manufacturing Research and Education 
• Computational Metrology

Biography 

Dr. Shen is a professor in the Department of Mechanical and Aerospace Engineering at The George Washington University. He received a B.S. in mechanical engineering and a M.S. in management sciences from National Chiao-Tung University in Taiwan, and a Ph.D. in mechanical engineering from the University of Wisconsin-Madison. Dr. Shen received the National Science Foundation's CAREER Award and Research Initiation Award, and the research projects are automated dimensional measurement and metrology in manufacturing research and education. He also conducts collaborative research with researchers in the National Institute of Standards and Technology. His research interests are in metrology, precision engineering, and computer-integrated design and manufacturing. Dr. Shen is a certified manufacturing engineer, and is a member of the following honorary societies and professional societies: Pi Tau Sigma, the American Society of Mechanical Engineers, the American Society for Precision Engineering, and the Society of Manufacturing Engineers.

Course Director/Instructor

Undergraduate
MAE 004      Engineering Drawing and Computer Graphics

MAE 192      Manufacturing Processes and Systems 

Graduate
MAE 251      Computer-Integrated Manufacturing

MAE 252      Projects in Computer-Integrated Design and Manufacturing

MAE 201      Introduction to Manufacturing

Sponsored Research

• National Science Foundation CAREER Award, Project Title: Metrology in Manufacturing Research and Education.
• National Institute of Standards and Technology Cooperative Research Project, Project Title: Computational Metrology on CMM Measurement Uncertainty
• National Science Foundation Research Initiation Award (RIA), Project Title: Process Planning for CMM-based Dimensional Inspection. 
• National Science Foundation Research Experience for Undergraduates Grant, Project Title: Process Planning for CMM-based Dimensional Inspection.

 
Selected Publications

 Journal Articles

1.     Shen, Y., Duffie, N.A., Uncertainties in the Acquisition and Utilization of Coordinate Frames in Manufacturing Systems, Annals of the CIRP, Vol. 40 (1), pp. 527-530, 1991.

2.     Shen, Y., Duffie, N.A., Comparison of Combinatorial Rules, Annals of the CIRP, Vol. 42 (1), pp. 619-622, 1993.

3.     Shen, Y., Duffie, N.A., An Uncertainty Analysis Method for Coordinate Referencing in Manufacturing Systems, ASME Transactions Journal of Engineering for Industry, Vol. 117 (1), pp. 42-48, 1995.

4.     Shen, Y., Moon, S., Error Compensation of Coordinate Measurements in Computer-Integrated Manufacturing Using Neural Networks, Journal of Materials Processing Technology, Vol. 61 (1-2), pp. 12-17, 1996.

5.     Estler, W.T., Phillips, S.D., Borchardt, B., Hopp, T., Witzgall, C., Levenson, M., Eberhardt, K., McClain, M., Shen, Y., and Zhang, X., Error Compensation for CMM Touch Trigger Probes, Precision Engineering, Vol. 19, No. 2/3, pp. 85-97, October 1996.

6.     Shen, Y., Zhang, X., Pretravel Compensation for Vertically-Oriented Touch Trigger Probes with Straight Styli, International Journal of Machine Tools and Manufacture, Vol. 37, No. 3, pp. 249-262, 1997.

7.     Shen, Y., Zhang, X., Modeling of Pretravel for Touch Trigger Probes on Indexable Probe Heads on Coordinate Measuring Machines, International Journal of Advanced Manufacturing Technology, Vol. 13/4, pp. 206-213, April, 1997.

8.     Lee, G., Mou, J., and Shen, Y., An Analytical Assessment of Measurement Uncertainty in Precision Inspection and Machine Calibration, International Journal of Machine Tools and Manufacture, Vol. 37, No. 3, pp. 263-276, 1997.

9.     Shen, Y., Moon, S., Mapping of Pretravel in Dimensional Measurements Using Neural Networks Computational Technique, Computers in Industry, Vol. 34, pp. 295-306, 1997.

10. Estler, W.T., Phillips, S.D., Borchardt, B., Hopp, T., Levenson, M., Eberhardt, K., McClain, M., Shen, Y., and Zhang, X., Practical Aspects of Touch Trigger Probe Error Compensation, Precision Engineering, Vol. 21, No. 1, pp. 1-17, 1997.

11. Shen, Y., Springer, M.E., A Robust Model for Touch Trigger Probes in Coordinate Metrology, ASME Transactions Journal of Manufacturing Science and Engineering Vol. 120, pp. 532-539, 1998.

12. Lin, Y., Shen, Y., Generic Kinematic Error Modeling for Machine Tool Metrology, International Journal of Flexible Automation and Integrated Manufacturing, 7(3&4): 305-320, 1999.

13. Shen, Y., Zhang, X., Pretravel Compensation for Horizontally-Oriented Touch Trigger Probes with Straight Styli, Journal of Manufacturing Systems, Vol. 18, No. 3, pp. 175-186, 1999.

14. Lee, J.D., Shen, S., Manzari, M.T., Shen, Y., Structural Control Algorithms In Earthquake Resistant Design, Journal of Earthquake Engineering, Vol. 4, No. 1, pp. 67-96, 2000.

15. Lee, G., Mou, J., and Shen, Y., Decoupling the Confounded Effect of Machine Error and Geometric Characteristics of Artifacts in Precision Measurement and Machine Calibration, ASME Transactions Journal of Manufacturing Science and Engineering Vol. 122, No. 2, pp. 331-337, May 2000.

16. Lee, J.D., Manzari, M.T., Shen, Y., Zeng, W., A Finite Element Approach to Transient Thermal Analysis of Work Rolls in Rolling Process, ASME Transactions Journal of Manufacturing Science and Engineering, Vol. 122, pp. 706-716, November, 2000.

17. Shen, Y., Moon, S., Investigation of Point-To-Point Performance Test of Touch Trigger Probes on Coordinate Measuring Machines, Journal of Robotics and Computer-Integrated Manufacturing, Vol. 17, pp. 247-254, 2001.

18. Lin, Y., Shen, Y., Modeling of Five-Axis Machine Tool Metrology Models Using Matrix Summation Approach, International Journal of Advanced Manufacturing Technology, Vol. 21, pp 243-248, 2003.

19. Zeng, W., Manzari, M.T., Lee, J.D., Shen, Y., Fully-Coupled Nonlinear Analysis of Piezoelectic Solids Involving Domain Switching, International Journal of Numerical Methods in Engineering, 2003, Vol. 56, pp. 13-34.

20. Zeng, W., Manzari, M.T., Lee, J.D., Shen, Y., Domain Switching Effect on Fracture of Piezoelectric Solids, Mechanics Research Communications, Vol. 30, pp. 267-275, 2003.

21. Zeng, W., Manzari, M.T., Lee, J.D., Shen, Y., An Analysis of the Effect of Domain Switching on Fracture Behavior of Piezoelectric Solids, Journal of Smart Materials and Structures, Vol. 12, pp. 88-95, 2003.

22. Lin, Y., Shen, Y., Enhanced Virtual Machining for Sculptured Surfaces By Integrating Machine Tool Error Models into NC Machining Simulation, International Journal of Machine Tools and Manufacture, Vol. 44, pp. 79-86, 2004.

Conference Papers

 1.     Shen, Y., Automated Dimensional Inspection Using Coordinate Measuring Machines, Proceedings of the 1993 US/Taiwan Joint Automation and Productivity Workshop, pp. 10.1-10.12, Taipei, Taiwan, Jul., 1993.

2.     Shen, Y., Computer-Integrated Dimensional Inspection Using Coordinate Measuring Machines, Proceedings of International Conference on Technology Transfer and Comparative Management, pp. 73-77, Los Angeles, CA., Aug., 1993.

3.     Shen, Y., Investigation of Dimensional Inspection Using Coordinate Measuring Machines, Proceedings of the 1994 National Science Foundation Design and Manufacturing Grantees Conference, pp. 463-464, Cambridge, MA, Jan., 1994.

4.     Shen, Y., Zhang, X., Risk Assessment of CMM-Based Dimensional Inspection Technology, Proceedings of International Conference on Probabilistic Safety and Management Assessment, pp. (016) 13-18, San Diego, CA, Mar., 1994.

5.     Shen, Y., Chen, K., A Rule-Based System for CMM Selection in Dimensional Inspection, Proceedings of the Third International Conference on Automation Technology, Taipei, Taiwan, Jul., 1994.

6.     Shen, Y., Machine Selection in Dimensional Inspection Planning, Proceedings of the 1995 National Science Foundation Design and Manufacturing Grantees Conference, pp. 355-356, La Jolla, CA, Jan., 1995.

7.     Estler, W.T., Phillips, S.D., Borchardt, B., Hopp, T., Witzgall, C., Levenson, M., Eberhardt, K., McClain, M., Shen, Y., and Zhang, X., Error Compensation for CMM Touch Trigger Probes, Proceedings of ASPE Annual Meeting, pp. 428-431, Austin, Texas, Oct., 1995.

8.     Shen, Y., Zhang, X., Uncertainty Assessment in Measurement Results Using Coordinate Measurement Systems, Proceedings of 1995 International Mechanical Engineering Congress and Exposition, San Francisco, CA, Nov., 1995.

9.     Shen, Y., Zhang, X., A Method for Assessment of Uncertainly Sensitivity Coefficients in Coordinate Measurement Results, Proceedings of the 1996 National Science Foundation Design and Manufacturing Grantees Conference, pp. 293-294, Albuquerque, NM, Jan., 1996.

10.    Shen, Y., Zhang, X., A Pretravel Model for Touch Trigger Probes with Straight Styli, Part I: Vertical Probes, Technical Papers of the North American Manufacturing Research Institution of the Society of Manufacturing Engineers (NMARI/SME), pp. 127-132, Ann Arbor, MI, May, 1996.

11.    Shen, Y., Zhang, X., A Pretravel Model for Touch Trigger Probes with Straight Styli, Part II: Horizontal Probes, Technical Papers of the North American Manufacturing Research Institution of the Society of Manufacturing Engineers (NMARI/SME), pp. 133-138, Ann Arbor, MI, May, 1996.

12.    Shen, Y., Springer, M.E., A Robust Pretravel Model for Touch Trigger Probes in Coordinate Metrology, Proceedings of the 1996 ASPE Annual Meeting, pp. 253-258, Monterey, CA, Nov., 1996.

13.    Shen, Y., Moon, S., Sampling Plan for Point-To-Point Prove Performance Test on Coordinate Measuring Machines, Proceedings of the 1996 ASPE Annual Meeting, pp. 247-252, Monterey, CA, Nov., 1996.

14.    Lee, G., Mou, J., and Shen, Y., 1996, Decoupling the Confounded Effect of Machine Error and Geometric Characteristics of Artifacts in Precision Measurement and Machine Calibration, Proceedings of 1996 International Mechanical Engineering Congress and Exposition, pp. 519-529, Atlanta, GA, Nov., 1996.

15.    Shen, Y., Moon, S., Point-To-Point Probe Performance Test of Kinematic Touch Trigger Probes on Coordinate Measuring Machines, Proceedings of 1996 International Mechanical Engineering Congress and Exposition, pp. 499-510, Atlanta, GA, Nov., 1996.

16.    Shen, Y., Modeling and Correction of Probe Errors in Precision Machinery, Invited paper in the Mechanical Engineering Session, Proceedings of the Sixteen Modern Engineering and Technology Seminar, pp. 282-301, Taipei, Taiwan, Dec. 1996.

17.    Shen, Y., A Robust Pretravel Model for Touch Trigger Probes and Its Impact on Probe Performance Test in Coordinate Metrology, Proceedings of the 1997 NSF Design and Manufacturing Grantees Conference, pp. 191-192, Seattle, WA, Jan. 1997.

18.    Shen, Y., Moon, S., Application of a Probe Pretravel Model in CMM Measurements, Proceedings of 1997 ASPE Annual Meeting, pp. 94-96, Norfolk, VA, Oct. 1997.

19.    Phillips, S.D., Borchardt, B., Sawyer, S., Estler, W.T., Ward, D., Eberhardt, K., Levenson, M.S., McClain, D., Melvin, B., Hopp, T., Shen, Y., The Calculation of CMM Measurement Uncertainty via The Method of Simulation by Constraints, Proceedings of 1997 ASPE Annual Meeting, pp. 443-446, Norfolk, VA, Oct., 1997.

20.    Shen, Y., Moon, S., Investigation of Kinematic Touch Trigger Probe, Proceedings of the 1998 NSF Design and Manufacturing Grantees Conference, pp. 357-358, Monterey Mexico, Jan. 1998.

21.    Lee, J.D., Shen, S., Manzari, M.T., Shen, Y., Optimal Stochastic Control of Intelligent Structures, presented at the Second World Conference on Structural Control, July 29 – July 1, 1998, Kyoto, Japan.

22.    Lee, G., Mou, J., Shen, Y., Measurement Error Reduction and Sampling Strategy Design for Automated Inspection Process, Proceedings of the Fifth International Conference on Automation Technology, Taipei, Taiwan, July 1998.

23.    Moon, S., Shen, Y., Errors in Probe Offset Vectors of Multiple probe orientations in CMM Measurements, Proceedings of 1998 ASPE Annual Meeting, pp. 512-515, St. Louis, Missouri, October 1998.

24.    Shen, Y., Moon, S., Probe Offset Vectors of Multiple Probe Orientations in CMM Metrology, Proceedings of the 1999 NSF Design and Manufacturing Grantees Conference, Long Beach, California, January 1999.

25.    Lee, J.D., Manzari, M.T., Shen, Y., Zeng, W., Finite Element Analysis of Transient Thermal Problems of Work Rolls in Hot Rolling Process, Proceedings of 1999 International Mechanical Engineering Congress and Exposition, MED-Vol. 10, pp.39-47, Nashville, Tennessee, November 1999.

26.    Shen, Y., Lin, Y., Development of Generic Kinematic Error Model in Machine Tool Metrology, Proceedings of the 2000 NSF Design and Manufacturing Grantees Conference, Vancouver, Canada, January, 2000.

27.    Lin, Y., Shen, Y., A Generic Kinematic Error Model for Machine Tools, Proceedings of the 10th Flexible Automation and Intelligent Manufacturing Conference, College Park, Maryland, June 2000.

28.    Shen, Y., Lin, Y., Matrix Summation Approach for 5-Axis Geometric Error Modeling in Machine Tool Metrology, Proceedings of the 2001 NSF Design and Manufacturing Grantees Conference, Tampa, Florida, January, 2001.

29.    Lin, Y., Shen, Y., Translating Machine Tool Errors into Part Errors by Enhanced Virtual Machining for Sculptured Surfaces, Proceedings of ASPE 2001 Annual Conference, pp. 253-256, Arlington, Virginia, November 2001.

30.    Zhang, X., Shen, Y., Nagel, D.J., Rensing, N.M., Optical Metrology of MicroElectroMechanical Torsional Mirrors, Proceedings of ASPE 2001 Annual Conference, pp. 317-320, Arlington, Virginia, November 2001.

31.    Zeng, W., Manzari, M.T., Lee, J.D., and Shen, Y., A Nonlinear Electro-thermo-mechanical Coupled Formulation for Piezoelectric Materials.  ASCE Engineering Mechanics Conference, New York City, New York, June 2002.

32.    Manzari, M.T., Zeng, W., Shen, Y., and Lee, J.D., A Physically Based Constitutive Model for Ferroelectrics.  2003 ASME International Mechanical Engineering Congress and RD&D Expo, Washington, DC, November 2003.