Hsi-Yung (Steve) Feng

Hsi-Yung (Steve) Feng, P.Eng.
Professor
B.S. (National Taiwan), M.S., Ph.D. (Ohio State)

ph: (604) 822-1366
fx: (604) 822-2403
email: feng@mech.ubc.ca
website: www.sites.mech.ubc.ca/~feng

Research Interests

My research interests are in the area of CAD/CAM/CAI (Computer-Aided Design, Manufacturing, and Inspection) with emphasis on:

• Three-axis and five-axis CNC machining
• Precision inspection and computational/coordinate metrology
• Geometric modeling based on laser scanned point clouds

Current Research Work

• Machining process planning based on cutting force optimization.
• Optimal tool path generation in multi-axis sculptured surface machining.
• Identification of cutter-workpiece engagement in multi-axis end milling.
• Form error evaluation from discrete coordinate measurement data with reduced fitting uncertainty.
• Computer-aided precision inspection using 3D laser scanning.
• Point-based geometric modeling and representation of complex 3D objects.

Selected Publications

• Song, H., and Feng, H. Y., “A Global Clustering Approach to Point Cloud Simplification with a Specified Data Reduction Ratio,” Computer-Aided Design , in press.
• Wang, L., Feng, H. Y., Song, C., and Jin, W., “Function Block Design for Adaptive Execution Control of Job Shop Machining Operations,” International Journal of Production Research , in press.
• Li, H., Tutunea-Fatan, O. R., and Feng, H. Y., 2007, “An Improved Tool Path Discretization Method for Five-Axis Sculptured Surface Machining,” International Journal of Advanced Manufacturing Technology , Vol. 33, No. 9-10, pp. 994-1000.
• Jiang, Q., Feng, H. Y., OuYang, D., and Desta, M. T., 2006, “A Roundness Evaluation Algorithm with Reduced Fitting Uncertainty of CMM Measurement Data,” SME Journal of Manufacturing Systems , Vol. 25, No. 3, pp. 184-195.
• Teng, Z., Feng, H. Y., and Azeem, A., 2006, “Generating Efficient Tool Paths from Point Cloud Data via Machining Area Segmentation,” International Journal of Advanced Manufacturing Technology , Vol. 30, No. 3-4, pp. 254-260.
• OuYang, D., and Feng, H. Y., 2005, “On the Normal Vector Estimation for Point Cloud Data from Smooth Surfaces,” Computer-Aided Design , Vol. 37, No. 10, pp. 1071-1079.
• Tutunea-Fatan, O. R., and Feng, H. Y., 2005, “Determination of Geometry-Based Errors for Interpolated Tool Paths in Five-Axis Surface Machining,” ASME Journal of Manufacturing Science and Engineering , Vol. 127, No. 1, pp. 60-67.
• Feng, H. Y., and Teng, Z., 2005, “Iso-planar Piecewise Linear NC Tool Path Generation from Discrete Measured Data Points,” Computer-Aided Design , Vol. 37, No. 1, pp. 55-64.
• Tutunea-Fatan, O. R., and Feng, H. Y., 2004, “Configuration Analysis of Five-Axis Machine Tools Using a Generic Kinematic Model,” International Journal of Machine Tools and Manufacture , Vol. 44, No. 11, pp. 1235-1243.
• Li, H., and Feng, H. Y., 2004, “Efficient Five-Axis Machining of Free-Form Surfaces with Constant Scallop Height Tool Paths,” International Journal of Production Research , Vol. 42, No. 12, pp. 2403-2417.