Books


Schweitzer, G. and Maslen, E. (Eds.), Magnetic Bearings: Theory, Design, and Application to Rotating Machinery, Springer, 2009


Allaire, P. E., Maslen, E. H., Humphris, R. R., Knospe, C. R., and Lewis, D. W., "Magnetic Bearings," Chapter in CRC Handbook of Lubrication (Theory and Practice of Tribology), ed. E. Richard Booser, CRC Press, Ann Arbor, 1994.


Journal Publications


D. Bose, J.R. Crandall, C.D. Untaroiu, E.H. Maslen, "Influence of pre-collision occupant parameters on injury outcome in a frontal collision," Accident Analysis & Prevention, Volume 42, Issue 4, July 2010, Pages 1398-1407


Ahn, H-J, Park, M-S, Sanadgol, D., Park, I-H, Han, D-C, and Maslen, E. H., "A pressure output

feedback control of turbo compressor surge with a thrust magnetic bearing actuator," Journal of Mechanical Science and Technology, Vol. 23, No. 5, May 2009.


Cloud, C. H., Maslen, E. H., and Barrett, L. E., "Damping Ratio Estimation Techniques for

Rotordynamic Stability," ASME Journal of Engineering for Gas Turbines and Power, Vol. 131, No. 1, January 2009.


Maslen, E. H., Iwasaki, T. and Mahmoodian, R., "Field and gap estimation in magnetic bearings: a Lyapunov approach," Journal of the Japan Society of Applied Electromagnetics and Mechanics, Vol. 16, No. 4, December 2008.


Jerzy T. Sawicki, Eric H. Maslen and Kenneth R. Bischof, "Modeling and Performance Evaluation

of a Machining Spindle with Active Magnetic Bearings," KSME Journal of Mechanical Science and

Technology, Vol. 21, No.6, pp. 847-850, 2007.


Charlotte Barbier, Joseph A.C. Humphrey, and Eric Maslen, "Experimental Study of the Flow in a Simulated Hard Disk Drive," ASME Journal of Fluids Engineering, Vol 128, No. 5, pp. 1090-1100.


Qingyu Wang and Eric H. Maslen,"Identification of Frequency Dependent Parameters in a Flexible

Rotor System," ASME Journal of Engineering for Gas Turbines and Power, Vol. 128, No. 3, July 2006, pp. 670-676.


Maslen, E. H., Montie, D. T., and Iwasaki, T., Robustness Limitations in Self-sensing Magnetic Bearings," ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 128, No. 2, June 2006, pp. 197-203.


Zhu, L., Knospe, C. R., and Maslen, E. H., "An Analytic Model for a Non-laminated Cylindrical Magnetic Actuator Including Eddy Currents," IEEE Transactions on Magnetics. Vol. 41, No. 4, April 2005. pp 1248-1258.


Ahn, H-J., Maslen, E. H., and Iwasaki, T., "Feasibility Analysis for the Rotordynamic Performance of API617," ASME Journal of Engineering for Gas Turbines and Power. Vol. 127, No. 2, April 2005, pp. 418-424.


Cloud C. H., Foiles W. F., Li G., Maslen E. H. and Barrett L.E., "Practical Applications of Singular Value Decomposition in Rotordynamics," Australian Journal of Mechanical Engineering, Vol. 2, No. 1, pp. 21-32.


Meeker, D. C., Filatov, A. V., and Maslen, E. H., "Effect of Magnetic Hysteresis on Rotational Losses in Heteropolar Magnetic Bearings," IEEE Transactions on Magnetics, Vol. 40, No. 5, September 2004, pp. 3302 - 3307.


Vazquez, J. A., Maslen, E. H., Ahn, H-J, Han, D-C, "Model Identification of a Rotor with Magnetic Bearings", ASME Journal of Engineering for Gas Turbines and Power, 125 (1), pp. 149-155, January 2003.


Baun, D. O., Maslen, E. H., Knospe, C. R., and Flack, R. D., "A Multiple Harmonic Open Loop Controller for Hydro/Aerodynamic Force Measurements in Rotating Machinery using Magnetic Bearings," ASME Journal of Engineering for Gas Turbines and Power, Vol. 124, No. 4, pp. 827-834, October 2002.


Filatov, A. V., Maslen, E. H., and Gillies, G. T., "Stability of an Electrodynamic Suspension,"

Journal of Applied Physics, 92(6): 3345-3353, September 2002.


Maslen, E. H., Sortore, C. K., Vazquez, J. A., and Knospe, C. R., "Synchronous Response Estimation in Rotating Machinery," ASME Journal of Engineering for Gas Turbines and Power, 124(2): 357-362, April 2002.


Maslen, E. H., Vazquez, J. A., and Sortore, C. K., "Reconciliation of Rotordynamic Models with Experimental Data," ASME Journal of Engineering for Gas Turbines and Power 124(2): 351-356, April 2002.


Setiawan, J. D., Mukherjee, R., and Maslen, E. H., "Synchronous Sensor Runout and Unbalance Compensation in Active Magnetic Bearings Using Bias Current Excitation," ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 124, March 2002, pp. 14-24.


Filatov, A. V., Maslen, E. H., and Gillies, G. T., "A Method of Noncontact Suspension of Rotating Bodies Using Electromagnetic Forces," Journal of Applied Physics, 91(4): 2355-2371, February 2002.


Filatov, A V., and Maslen, E. H., "Passive magnetic bearing for flywheel energy storage systems," IEEE Transactions on Magnetics. v 37 n 6, November 2001. p 3913-3924.


Maslen, E. H., and Montie, D. T., "Sliding Mode Control of Magnetic Bearings: a Hardware Perspective," ASME Journal of Engineering for Gas Turbines and Power, Vol. 123 No. 4, October 2001, pp. 878-885.


Montie, D. T., and Maslen, E. H., "Self-Sensing in Fault Tolerant Magnetic Bearings" ASME Journal of Engineering for Gas Turbines and Power, Vol. 123, No. 4, October 2001, pp. 864-870.


Setiawan, J. D., Mukherjee, R., and Maslen, E. H., "Adaptive Compensation of Sensor Runout for Magnetic Bearings with Uncertain Parameters: Theory and Experiments," ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 123, No. 2, June 2001.


Carlson-Skalak, S. , Ting, Y. and Maslen, E. , "Magnetic Bearing Actuator Design using Genetic Algorithms," Journal of Engineering Design, Vol. 10, No. 2, 1999, pp. 143-164.


Kasarda, M. E. F., Allaire, P. E., Norris, P. M., Mastrangelo, C., and Maslen, E. H., "Experimentally Determined Rotor Power Losses in Homopolar and Heteropolar Magnetic Bearings," ASME Journal of Engineering for Gas Turbines and Power, Vol 121, No 4, October 1999.


Maslen, E. H., Sortore, C. K., Williams, R. D., Fedigan, S. J, and Aimone, R. J., "Fault Tolerant Magnetic Bearings," ASME Journal of Engineering for Gas Turbines and Power, Vol. 12, No. 3, July 1999, pp. 504-508.


Maslen, E. H., Bearnson, G. B., Allaire, P. E., Flack, R. D., Baloh, M., Hilton, E. F., Noh, M. D., Olson, D. B., Khanwilkar, P. S., and Long, J. D., "Feedback Control Applications in Artificial Hearts," IEEE Control Systems Magazine, Vol.18, No. 6, December 1998, pp. 26-34.


Meeker, David C., and Maslen, Eric H., "Prediction of Rotating Losses in Heteropolar Radial Magnetic Bearings," ASME Journal of Tribology, Vol. 120, No.3, July 1998, pp 629-635.


Allaire, P. E., Hilton, E., Baloh, M., Maslen, E., Bearnson, G., Noh, D., Khanwilkar. P., and Olsen, D., "Performance of a Continuous Flow Ventricular Assist Device: Magnetic Bearing Design, Construction, and Testing," Artificial Organs, 22(6): pp. 475-480, 1998.


Kasarda, M. E. F., Allaire, P. E., Maslen, E. H., Brown, G. V., and Gillies, G. T., "High Speed Rotor Losses in a Radial 8-Pole Magnetic Bearing, Part II: Analytical/Empirical Model and Calculations," ASME Journal of Engineering for Gas Turbines and Power, Vol. 120, No. 1, January 1998, pp. 110-114.


Kasarda, M. E. F., Allaire, P. E., Maslen, E. H., Brown, G. V., and Gillies, G. T., "High Speed Rotor Losses in a Radial 8-Pole Magnetic Bearing, Part I: Experimental Measurement," ASME Journal of Engineering for Gas Turbines and Power, Vol. 120, No. 1, January 1998, pp. 105-109.


Hilton, E. F.; Allaire, P. E.; Baloh, M. J.; Maslen, E. H.; Bearnson, G. B.; Khanwilkar, P. M.; Olsen, D. B., "Magnetic Suspension Controls for a New Continuous Flow Ventricular Assist Device," ASAIO Journal, Vol. 43, No. 5, pp. M598-M603, 1997.


Baun, D. O., Fittro, R. L., and Maslen, E. H., "Force versus Current and Air Gap Calibration of a Double Acting Magnetic Thrust Bearing," ASME Journal of Engineering for Gas Turbines and Power, Vol. 119, No. 4, October 1997, pp. 942-948.


Srinivasan, S., Maslen, E., and Barrett, L., "A Method for Determining Optimum Bearing Locations for Rotor-Bearing Systems," ASME Journal of Engineering for Gas Turbines and Power, Vol. 119 (Apr. '97) p. 464-8.


Noh, M. D., and Maslen, E. H., "Self Sensing Active Magnetic Bearings Based on Parameter Estimation," IEEE Transactions on Instrumentation and Measurement, 46(1): 45-50, 1997 Feb.


Allaire, P.E., Maslen, E. H., and Lewis, D. W., "Magnetic Thrust Bearing Operation and Industrial Pump Application," ASME Journal of Engineering for Gas Turbines and Power, v. 119 (Jan. '97) pp. 168-73.


Allaire, P. E., Fittro, R. L., Maslen, E. H., and Wakefield, W. C., "Measured Force/Current Relations in Solid Magnetic Thrust Bearings," ASME Journal of Engineering for Gas Turbines and Power, Vol. 119, No. 1, January 1997.


Bearnson GB. Olsen DB. Khanwilkar PS. Long JW. Allaire PE. Maslen EH. "Pulsatile Operation of a Centrifugal Ventricular Assist Device with Magnetic Bearings," ASAIO Journal. 42(5):M 620-M 624, 1996 Sep-Oct.


Maslen, E. H., Allaire, P. E., Noh, M., and Sortore, C. K., "Magnetic Bearing Design for Reduced Power Consumption," ASME Journal of Tribology, Vol. 118, No. 4, October 1996, pp. 839-846.


Allaire, P. E., Maslen, E. H., Kim, H. C., Bearnson, G. B., and Olsen, D. B., "Design of a Magnetic Bearing Supported Prototype Centrifugal Artificial Heart Pump," STLE Tribology Transactions, Vol. 39, No. 3, July 1996, pp. 663-669.


Meeker, D. C., Maslen, E. H., and Noh, M. D., "An Augmented Circuit Model for Magnetic Bearings Including Eddy Currents, Fringing, and Leakage," IEEE Transactions on Magnetics, Vol. 32, No. 4, July 1996, pp. 3219-3227.


Allaire, P. E., Kim, H. C., Maslen, E. H., Olsen, D. B., and Bearnson, G. B., "Prototype Continuous Flow Ventricular Assist Device Supported on Magnetic Bearings," Artificial Organs, July 1996, 20(6), pp. 582-590.


Bearnson, G. B., Maslen, E. H., Olsen, D. B., Allaire, P. E., Khanwilkar, P. S., Long, J. W., and Kim, H. C., "Development of a Prototype Magnetically Suspended Rotor Ventricular Assist Device," Journal of the American Society for Artificial Internal Organs, Vol. 42, No. 2, July 1996, pp. 275-281.


Khanwilkar, P., Olsen, D., Bearnson, G., Allaire, P., Maslen, E., Flack, R. and Long, J.,

"Using Hybrid Magnetic Bearings to Completely Suspend the Impeller of a Ventricular Assist Device,"

<i>Artificial Organs,</i>

20(6):597-604, 1996 Jun.


Meeker, D. C., Maslen, E. H., Ritter, R. C, and Creighton, F. M., "Optimal Realization of Arbitrary Forces in a Magnetic Stereotaxis System", IEEE Transactions on Magnetics, Vol. 32, No. 2, March 1996, pp. 320-328.


Maslen, E. H., and Barrett, L. E., "Rotor Whirl in Compliant Auxiliary Bearings," Journal of Vibration and Control, 2: 1996, pp. 145-159.


Maslen, E. H., "Positive Real Zeros in Flexible Beams," Journal of Shock and Vibration, Vol. 2, No. 6, 1995, pp. 429-435.


Maslen, E. H., and Meeker, D. C., "Fault Tolerance of Magnetic Bearings by Generalized Bias Current

Linearization," IEEE Transactions on Magnetics, Vol. 31, No. 3, May 1995, pp. 2304-2314.


Maslen, E. H., and Allaire, P. E., "Active Bearing Load Capacity Requirements for Rotating Shafts," Proceedings of the Institution of Mechanical Engineers, IMechE 1992, Vol. 6, pp. 91-98.


Maslen, E. H., and Allaire, P. E., "Magnetic Bearing Sizing for Flexible Rotors," ASME Journal of Tribology, Vol. 114, No. 2, April 1992, pp. 223-229.


Maslen, E. H., and Bielk, J. R., "A Stability Model for Flexible Rotors with Magnetic Bearings," ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 114, No.1, March, 1992, pp. 172-175.


Maslen, E. H. and Townsend, M. A., "Stability Limits of Linear Feedback Control Systems," ASME Journal of Dynamic Systems, Measurement and Control, Vol. 111, No. 2, June 1989, pp. 138-141.


Maslen, E. H., Hermann, P., Scott, M. A., and Humphris, R. R., "Practical Limits to the Performance of Magnetic Bearings: Peak Force, Slew Rate, and Displacement Sensitivity," ASME Journal of Tribology, Vol. 111, No. 2, April 1989, pp. 331-336.


Conference Publications


Dr. Maslen has published over 100 papers in refereed conference proceedings.


Patents


Apparatus and Method for Minimizing Occupant Injury during Passenger Vehicle Crash Events

  1. Provisional United States Patent 61/050,837

  2. Date of Filing: May 6, 2008

  3. Inventors: Bose, Dipan; Crandall, Jeff; Maslen, Eric; Untaroiu, Costin.

  4. Assignee: University of Virginia Patent Foundation (Charlottesville, VA).


Hybrid Magnetically Suspended and Rotated Centrifugal Pumping Apparatus and Method

  1. United States Patent Number 6,595,762 B2

  2. Date of Patent: July 22, 2003

  3. Inventors: Khanwilkar, Pratap S.; Allaire, Paul E.; Bearnson, Gill Brent; Olsen, Don B.; Maslen, Eric H.; Long, James W.

  4. Assignees: Medquest Products, Inc. (Salt Lake City, UT);

  5. University of Virginia Patent Foundation (Charlottesville, VA).


Electromagnetically suspended and rotated centrifugal pumping apparatus and method

  1. United States Patent Number 6,302,661

  2. Date of Patent: October 16, 2001

  3. Inventors: Khanwilkar, Pratap S.; Allaire, Paul E.; Bearnson, Gill Brent; Olsen, Don B.; Maslen, Eric H.; Long, James W.

  4. Assignees: Medquest Products, Inc. (Salt Lake City, UT); University of Utah Research Foundation (Salt Lake City, UT); University of Virginia Patent Foundation (Charlottesville, VA).


Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method

  1. United States Patent Number 6,074,180

  2. Date of Patent: June 13, 2000

  3. Inventors: Khanwilkar; Pratap S. (Salt Lake City, UT); Allaire; Paul E. (Charlottesville, VA); Bearnson; Gill Brent (Salt Lake City, UT); Olsen; Don B. (Salt Lake City, UT); Maslen; Eric H. (Earlysville, VA); Long; James W. (Salt Lake City, UT).

  4. Assignees: Medquest Products, Inc. (Salt Lake City, UT); University of Utah Research Foundation (Salt Lake City, UT); University of Virginia Patent Foundation (Charlottesville, VA).


Magnetic bearings for pumps, compressors and other rotating machinery

  1. United States Patent No. 5,355,042

  2. Date of Patent: Nov. 13, 1990

  3. Inventors: Lewis; David W.; Humphris; Robert R.; Maslen; Eric H.; Allaire; Paul E.; Williams; Ronald D.

  4. Assignee: University of Virginia Patent Foundation (Charlottesville, VA).


Magnetic bearing systems

  1. United States Patent No. 5,347,190

  2. Date of Patent: Sept. 13, 1994

  3. Inventors: Lewis; David W.; Humphris; Robert R.; Maslen; Eric H.; Allaire; Paul E.; Williams; Ronald D.; Yates; Steven W.

  4. Assignee: University of Virginia Patent Foundation (Charlottesville, VA).


Minimum pulse width switching power amplifier

  1. United States Patent No. 5,077,540

  2. Date of Patent: Dec. 31, 1991

  3. Inventors: Keith; F. Joseph; Maslen; Eric H.

  4. Assignee: University of Virginia Patents Foundation (Charlottesville, VA).