M E C H A N I C A L     E N G I N E E R I N G

 

DK LIEU

PUBLICATIONS

ARCHIVAL (REFEREED) JOURNAL and BOOK PUBLICATIONS

D.K. Lieu and G. D. Neal, “Spindle Motor with Encapsulated Stator and Method of Making Same,” U.S. Patent # 6,844,636 B2, January 18, 2005.

T.Y Yoon and D.K. Lieu, “Magnetization Patterns of Permanent Ring Magnets in Brushless DC Motors,” to appear in Electric Power Components & Systems, Vol. 33, No. 2, February 2005, pp. 127-144.

U.T. Kim, D.K. Lieu, “Magnetically Induced Vibration Force in Brushless Permanent Magnet Motors with Rotor Eccentricity,” to appear in IEEE Transactions on Magnetics, 2004, ID TMAG-03-10-0682

D.K. Lieu, “Animation as a Technical Presentation Tool,” Proc. of the 2003 Engineering Design Graphics Mid-Year Conference, Scottsdale, AZ, also ASEE Engineering Design Graphics Journal, Vol. 68, No. 1, 2004, pp. 37-42..

J.Y. Park, D.K. Lieu, “Position Detection of DC Brushless Motor Using Inductance Bridge System,” IEEE Transactions on Magnetics, Vol, 39, No. 5, 2003.

B.C. Kuo, D.K. Lieu, Editors, Proceedings of the 30th Annual Symposium on Incremental Motion Control Systems and Devices, Berkeley, CA, July 2001, ISBN 0-931538-24-6

B.C. Kuo, D.K. Lieu, Editors, Proceedings of the 29th Annual Symposium on Incremental Motion Control Systems and Devices, Berkeley, CA, July 2000, ISBN 0-931538-23-8

O.S. Kwon, G. Neal and D.K. Lieu “Ceramic Filled Thermoplastic Encapsulation as a Design Feature in a BLDC Motor in a Disk Drive” IEEE Transactions on Magnetics, Nov. 2001 APMRC, also Proc. of the 29th Annual Symposium on Incremental Motion Control Systems and Devices, pp. 255-262, Berkeley, CA, July 2000

B.C. Kuo, D.K. Lieu, Editors, Proceedings of the 28th Annual Symposium on Incremental Motion Control Systems and Devices, San Jose, CA, July 1999, ISBN 0-931538-22-X

J.P. Wang, D.K. Lieu, “Lumped Parameter Magnetic Modeling of Static and Dynamic Rotor Eccentricity in Brushless DC Motors,” IEEE Transactions on Magnetics, Vol. 35, No.5, 1999, pp. 4226-4231

J.P. Wang, D.K. Lieu, “A Fast Lumped Parameter Model for Magnet Skew in a Motor,” IEEE Transactions on Magnetics, Vol. 35, No.5, 1999, pp. 3709-3711

U.T. Kim, D.K. Lieu, “Analytical Techniques for Magnetically Induced Vibration in Brushless Permanent Magnet Motors,” ASME Journal of Information Storage and Processing Systems, Vol. 1, 1999, pp. 1-6.

D.K. Lieu, “Using Interactive Multimedia Tutorials for Engineering Graphics Education,” Proc. 8th International Conference on Computer Graphics and Descriptive Geometry,” Austin TX, pp. 570-574, August 1998, Journal for Geometry and Graphics, Vol.3 (1999), No. 1, pp. 77-83

W.L. Lorimer, D.K. Lieu, “A Method for Measuring and Characterizating Core-Loss in a Motor,” Proc. of the 25th Annual Symposium on Incremental Motion Control Systems and Devices, pp. 203-208, July 1998, IEEE Transactions on Magnetics, Vol. 35, No. 4, July 1999

W.L. Lorimer, D.K. Lieu, "Prediction and Verification of the Magnetic Orientation Pattern in Motor Magnets," Proc. of the 26th Annual Sympsium on Incremental Motion Control Systems and Devices, pp. 203-208, July 1998, ASME Journal of Information Storage and Processing Systems (in press). J.P Wang, T.Y. Chuang, D.K. Lieu, "Design Techniques for Spindle Motors in Data Storage Devices," ASME Journal of Information Storage and Processing Systems (in press).

D.K. Lieu, "Student Reaction to an Interactive Compact Disk on Engineering Graphics," presented at the 1997 Engineering Design Graphics Mid-Year Conference, Madison, WI, ASEE Engineering Design Graphics Journal, Vol. 62, No. 1, Winter 1998, pp. 19-27.

J.P. Wang, D.K. Lieu, "Effects of Magnet Axial Overhang in D.C. Brushless Motors," presented at the 1998 Intermag Conference, San Francisco, CA, Journal of Applied Physics, Vol. 83, No.11, 1998, pp. 6362-6364.

U.T. Kim, D.K. Lieu, "Magnetic Field Calculation in Permanent Magnet Motors with Rotor Eccentricity: Without Slotting Effect," IEEE Transactions on Magnetics, Vol. 34, No. 4, July 1998, pp. 2243-2252.

U.T. Kim, D.K. Lieu, "Magnetic Field Calculation in Permanent Magnet Motors with Rotor Eccentricity: With Slotting Effect," IEEE Transactions on Magnetics, Vol. 34, No. 4, July 1998, pp. 2253-2266.

P.S. Krueger, D.K. Lieu, "A Multimedia Tutorial for Engineering Graphics," presented at the 1996 Engineering Design Graphics Mid-Year Conference, Raleigh, NC, ASEE Engineering Design Graphics Journal, Vol. 62, No. 1, Autumn 1997, pp. 22-35.

J.P. Wang, D.K. Lieu, W.L. Lorimer, A. Hartman, "Comparison of Lumped Parameter and Finite Element Modeling in a Brushless DC Motor," presented at the 1997 Intermag Conference, New Orleans, LA, IEEE Transactions on Magnetics. Vol. 33, No. 5, May 1997.

T.Y. Chuang, D.K. Lieu, J.S. McAllister, "Optimization of Pole and Slot Widths for Reluctance Torque Reduction in a Brushless DC Spindle Motor," presented at the 1996 ASME International Congress and Exposition, Atlanta, GA, Nov. 1996, also ASME Advances in Information Storage Systems (in press).

T.Y. Chuang. D.K. Lieu, "Magnetically Induced Vibration in an 8-Pole, 9-Slot Brushless D.C. Motor," Proc. of the 1995 Design Engineering Technical Conference, Boston MA, DE-Vol. 84-3, pp. 545-552, 1995, also ASME Advances in Information Storage Systems (in press).

D.K. Lieu, Graphics Interactive, (Interactive, multimedia, CD ROM textbook. 300 Mb), ISBN # 0-256-26348-5, Irwin/McGraw-Hill Company, 1996.

G.H. Jang, D.K. Lieu, "Analysis of the Magnetic Force and Torque in a Brushless DC Motor," KSME Journal, Vol. 10, No. 1, 1996, pp.37-48.

N. Schirle, D.K. Lieu, "History and Trends in the Development of Motorized Spindles for Hard Disk Drives," presented at the 1995 APMRC IEEE Conference, Singapore, IEEE Transactions on Magnetics, Vol 32, No.3, March 1996.

S.M. Hwang, D.K. Lieu, "Reduction of Torque Ripple in DC Brushless Motors," presented at the 1995 IEEE Intermag Conference, San Antonio, TX, IEEE Transactions on Magnetics, Vol. 31, No. 6, Nov. 1995, pp. 3737-3739.

S.M. Hwang, D.K. Lieu, "Design Techniques for Reduction of Reluctance Torque in Brushless Permanent Magnet Motors," presented at the 1994 IEEE Intermag Conference, Albuquerque, NM, IEEE Transactions on Magnetics, Vol. 30, No. 6, Nov. 1994, pp. 4287-4289.

G.H. Jang, D.K. Lieu, "Modeling of the Influence of Coil Winding Pattern on Tooth Forces in Brushless DC Motors," presented at the 1994 IEEE Intermag Conference, Albuquerque, NM, IEEE Transactions on Magnetics, Vol. 30, No. 6, Nov. 1994, pp. 4290-4292.

W.L. Lorimer, D.K. Lieu, "Correlation of Experimental Data and Three-Dimensional Finite Element Modeling of a Spinning Magnet Array," presented at the 1994 IEEE Compumag Conference, Miami, FL, IEEE Transactions on Magnetics, Vol. 30, No. 5, pp. 3004-3007, Sep. 1994.

B.S. Rahman, D.K. Lieu, "Optimization of Sector Magnetic Pole Geometry for Field Harmonic Control in Electric Motors," presented at the 1991 ASME Winter Annual Meeting and Conference, Atlanta GA, ASME Journal of Vibration and Acoustics, Vol. 116, No.2, pp.173-178, Apr. 1994.

A.K. Chong, D.K. Lieu, "Contour Mapping of Precision Ball Bearing Defects with Laser Doppler Vibrometry," presented at the 1992 Japan-USA Symposium on Flexible Automation, San Francisco CA; ASPE Journal of Precision Engineering, Vol. 15, No. 3, pp.116-172, Jul 1993.

D.K. Lieu, N.H. Talbot, "Introduction of Graphical Finite-Element Stress Analysis in an Undergraduate Curriculum," Proc. 1993 ASEE Design Graphics Division Midyear Conference, San Francisco CA; ASEE Engineering Design Graphics Journal, Vol. 57, No. 1, pp. 33-39, Winter 1993.

B.S. Rahman, D.K. Lieu, "Optimization of Ring Magnet Geometry for Field Harmonic Control in Electric Motors," IEEE Transactions on Magnetics, Vol. 28. No. 6, pp. 3380-3386, Nov. 1992.

G.H. Jang, D.K. Lieu, "Vibration Reduction in Electric Motors by Magnet Interlacing," presented at the 1992 IEEE Intermag Conference, St. Louis MO, IEEE Transactions on Magnetics, Vol. 28, No. 5, pp. 3024-3026, Sep. 1992.

G.H. Jang, D.K. Lieu, "Vibration Reduction in Electric Motors by Magnet Interlocking," presented at the 1992 IEEE Conference on Electromagnetic Field Computation, Claremont CA; IEEE Transactions on Magnetics, Vol. 29, No. 2, pp1423-1426, Mar. 1993.

G.H. Jang, D.K. Lieu, "The Effect of Magnet Geometry on Electric Motor Vibration," presented at the 1991 IEEE Intermag Conference, Pittsburgh PA, IEEE Transactions on Magnetics, Vol. 27, No. 6, pp. 5202-5205, Nov. 1991.

R. Valliapan, D.K. Lieu, "Defect Characterization of Roller Bearing Surfaces with Laser Doppler Vibrometry," Proc. 1991 Precision Roller Bearing Symposium and Conference. Apr 1991, Orlando, FL. ASPE Journal of Precision Engineering, Vol. 14, No. 1, pp. 35-42, Jan 1992.

T.Y. Chuang, D.K. Lieu, "A Parametric Study of the Thoracic Injury Potential of Basic Taekwondo Kicks," presented at the 1991 ASME Winter Annual Meeting, San Francisco CA; ASME Journal of Biomechanical Engineering, Vol. 114, No. 3 pp. 346-351, Aug. 1992.

E.R. Serina, D.K. Lieu, "The Thoracic Injury Potential of Basic Competition Taekwondo Kicks," Journal of Biomechanics, Vol. 24, No. 10., pp. 951-961, 1991

B.S. Rahman, D.K. Lieu, "The Origin of Permanent Magnet Induced Vibration in Electric Machines," ASME Journal of Vibration and Acoustics, Vol. 113, No. 4, pp. 476-481, Oct. 1991.

J.D. Georgeson, D.K. Lieu, "Inspection of Roller Bearing Surfaces by Laser Doppler Vibrometry," Proc. 1990 Japan-USA Symposium on Flexible Automation; Kyoto JAPAN; Vol. III, Jul 1990. ASME Journal of Engineering for Industry, Vol. 114, No. 1, Feb 1992.

W.L. Lorimer, D.K. Lieu, "Hardware, Software, and Curriculum Decisions for Engineering Graphics Instruction Using CAD," presented at the 1990 ASEE Pacific Southwest Conference, Oct 1990, Las Vegas Nevada. ASEE Engineering Design Graphics Journal, Vol. 56, No. 1, Winter 1992.

D.K.Lieu, "Media Surface Finish Considerations for Magnetic Recording with 3380 Type Sliders," IEEE Transactions on Magnetics; Vol. MAG-19, No. 5; Sep 1983.

D.K.Lieu, C.D.Mote, Jr., "Experiments in the Machining of Ice at Negative Rake Angles," Journal of Glaciology; Vol. 30, No. 104; 1984.

D.K.Lieu, C.D.Mote, Jr., "An Electronic Ski-Binding Design with Bio-feedback," ASME Journal of Mechanical Design; Vol. 102, No. 4; Oct 1980.

OFFICE

 
LAB

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dlieu[at]me.berkeley.edu

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