Michael D. Bryant

Ph.D., P.E.

Accenture Endowed Professor

Mechanical Engineering Department

1 University Station C2200

The University of Texas at Austin,

Austin, Texas 78712-0292

(512) 471-7840 Fax: (512) 471-7682

e-mail: mbryant@mail.utexas.edu

Office: ETC 4.152B

EDUCATION:

Bio Engineering, B.S., University of Illinois-Chicago, 1972

Electrical Engineering, grad school, University of Illinois-Chicago, 1972 - 1974

Mechanical Engineering, M.S., Northwestern University, 1980

Engineering Sciences & Applied Mathematics, Ph.D., Northwestern University, 1981

Academics

Interests

Dynamic Systems: Mechatronics, Modeling, Control

Design: Tribology, Machine Design, Manufacturing

Mechanics: Solid & Contact Mechanics

Teaching Schedule

Spring 2005:

• ME 383S Lubrication, Wear & Bearing Technology

Fall 2005:

• ME 344 Dynamic Systems & Control

• ME 392Q Manufacturing Processing: Unit Processes

Graduate Studies Committees

Mechanical Engineering

Manufacturing Systems Engineering (Director)

Computational & Applied Mathematics

EDITORSHIPS & BOARDS:

Technical Editor: Journal of Tribology, American Society of Mechanical Engineers

Co-Editor: Dynamic Systems & Control and Mechatronics, Springer Book Series

Editorial Board: (British) Institution of Mechanical Engineers, Journal of Strain Analysis

Research

Interests

Tribology, Mechatronics, Electromechanics, Manufacturing, Modeling, Computation

Current Work

· Modeling and measurements of wear of electrical brushes

· Modeling wear and friction of engine piston rings

· Systems modeling of railguns

· Model Based Diagnostics of motors, gears and pumps

· Design and construction of mixed signal (analog-digital) computer

Selected Publications

· Lee, S., Kim, D., Bryant, M. D., Ling, F.F , “A Micro Corona Motor”, Sensors and Actuators A, vol. 118, no. 2, pp. 226-232, 2005.

· Lee, S., Kim, D., Jin, Y., Han, Y., Desta, Y., Bryant, M.D., Goettert, J. “A Micro Corona Motor Fabricated by a SU-8 Built-on X-ray Mask,” Microsystems Technologies journal, vol. 10, pp. 522-526, 2004.

· Kim, D. Lee, S., Jin, Y., Desta, Y., Bryant, M.D., Goettert, J., “Micro Gas Bearings Fabricated by Deep X-ray Lithography”, Microsystems Technologies journal, vol. 10, pp. 456-461, 2004.

· Kim, D., Lee, S., Bryant, M.D. and Ling, F.F., “Hydrodynamic Performance of Gas Microbearings,” ASME Journal of Tribology, vol. 126, pp. 711-718, 2004.

· Pholsiri, C. and Bryant, M.D, "Vibrations of a Four-Degree of Freedom Rigid Body Sliding Against a Wavy Surface, " Journal of Sound and Vibration, vol. 235 (5), pp. 763-786, 2000.

· Kim, J.B and Bryant, M.D., “ A Bond Graph Model of a Squirrel Cage Induction Motor, with Direct Physical Correspondence” ASME J. Dynamic Systems, Measurement, and Control, vol. 122, pp. 461-469, Sept. 2000.

· Doelling. K.L., Ling, F.F., Bryant, M.D. and Heilman, B.P., “An Experimental Study of the Correlation Between Wear and Entropy Flux in Machinery Components,” Journal of Applied Physics, vol. 88, no. 5, pp. 2299-3003, Sept. 2000.

· Bryant, M.D., Wang, J.P.., and Lin, J.W., "Thermal Mounding in High Speed Dry Sliders: Experiment, Theory, and Comparison," Journal of Wear, vol. 181-183, pp. 668-677, 1995.

· Bryant, M.D., Tewari, A., and Lin, J.W., "Wear Rate Reductions in Carbon Brushes Conducting Current and Sliding Against Wavy Copper Surfaces," IEEE Transactions on Components, Hybrids & Manufacturing Technology-Part A, vol. 18, no. 2, pp. 375-381, June 1995.

• Lin, J.W. and Bryant, M. D., "Reductions in Wear Rate of Carbon Samples Sliding Against Wavy Copper Surfaces,” ASME J. Tribology, vol. 118, no. 1, pp. 116-124, Jan. 1996.

• Bryant, M. D., "Bond Graph Models for Linear Motion Magnetostrictive Actuators," ASME J. Dynamic Systems, Measurement, and Control, vol. 118, no. 1, pp. 161-167, Mar. 1996.

• Bryant, M.D., York, D., and Tewari, A., “Effects of Micro (Rocking) Vibrations and Surface Waviness on Wear and Wear Debris,” Journal of Wear, vol. 216, pp. 60-69, 1998.

• Bryant, M.D., and York, D., "Measurements and Correlations of Slider Vibrations and Wear, " ASME J. Tribology, vol. 122, no. 1, pp. 374-380, 2000.

• Choi, Ji-hoon and Bryant, M.D., “ Combining Lumped Parameter Bond Graphs with Finite Element Shafts in a Gearbox Model," Computer Modeling in Engineering and Sciences, vol. 3, no. 4, pp. 431-446, 2002.

• Q. Jane Wang, Michael D. Bryant, Leon M. Keer, and Richard Salant., “Virtual Tribology: Integrating Model-Based Simulations with Modern Information Technologies," Computer Modeling in Engineering and Sciences, , vol. 3, no. 4, pp. 417-430, 2002.

· Ling, F.F., Bryant, M.D. and Doelling. K.L., “On Irreversible Thermodynamics for Wear Prediction,” Journal of Wear, vol. 253, pp. 1165-1172, 2002.

• Bryant, M.D. , Blanchet, T., Wang, J.Q., Ovaert, T.C., Erdemir, A., Fenske, G.R., Poeppel R.B., and Ebrahim, T. , “Research Workshop: Tribology Issues in Biology and Medicine”, ASME Journal of Tribology, vol. 125, no. 2, 2pp. 17-222, 2003.

• Kim, D., Lee, S., Bryant, M. D., Ling, F.F, “Hydrodynamic Performance of Gas Microbearings,” ASME Journal of Tribology, vol. 126, pp. 711-718, 2004.

· Bryant, M.D. and Lee, S., “Resistive Field Bond Graph Models for Hydrodynamically Lubricated Bearings “, IMechE Journal of Systems and Control Engineering, vol. 218, no. 1, pp. 645-654, 2005.

• Kim, D., Cao, D., Bryant, M.D., Meng, W. and Ling, F.F, Tribological Study of Micro Gas Bearings for MEMS Applications, ASME Journal of Tribology, in press.

• Lee, Sanghoon and Bryant, M.D., “ Model Based Diagnostics for an Induction Motor, Using Information Theory," ASME J. Dynamic Systems, Measurement, and Control, in press.

• Bryant, M.D. and Lee, Sangbok, “Feasibility of Micro-Vibrations to Reduce Wear of Disc Brakes”, ASME Journal of Tribology, under review.

PATENTS:.

Bryant, M. D., and Lin, J.W., " Methods and Apparatus to Reduce Wear on Sliding Surfaces," U.S. Patent Number 5,466,979, November 14, 1995.

Patent application filed 2001, Michael D. Bryant, “Model Based Machine Diagnostics and Prognostics Using Theory of Noise and Communications Theory.”

International Patent application, filed June. 2003, “A Hybrid Computer for Solving Very Large Systems of Differential Equations in Real Time or Faster.”

This information was last updated May 11, 2005 by mbryant@mail.utexas.edu