Nicolae Lobontiu, Ph.D

Professor
Office: ENGR  306
Phone: (907) 786-1863
Email: nlobontiu@uaa.alaska.edu

Biography

Service on University of Alaska Anchorage Faculty

2006-2010                        Associate Professor

2010-present                 Professor

Professional History

2002-2006        Cornell University, Visiting Scientist

2000-2002        Dynamic Systems and Materials, Research Engineer

1998-2000        Vanderbilt University, Research Associate

1994-1998        Technical University of Cluj-Napoca, Associate Professor

1990-1994        Technical University of Cluj-Napoca, Assistant Professor

1987-1990        Laboratory Equipment Design Institute (Cluj-Napoca, Romania), Engineer

1985-1987        Textile Machinery Design Institute (Cluj-Napoca, Romania), Engineer

Teaching

ME 302 - Mechanical Design I

ME/EE 308 Instrumentation and Measurement

ME/EE 408 - Dynamics of Systems

ME/EE 471 Automatic Control

Research

        Flexure hinges, compliant mechanisms, MEMS/NEMS, coupled-field systems, transduction

Principal Publications

Books

Lobontiu, N., “System Dynamics for Engineering Students: Concepts and Applications”, Elsevier, 2010.

Lobontiu, N., “Dynamics of Microelectromechanical Systems”, Springer, 2007.

Lobontiu, N. “Mechanical Design of Microresonators”, McGraw-Hill, 2005.

Lobontiu, N., Garcia, E. “Mechanics of Microelectromechanical Systems”, Springer, 2004.

Lobontiu, N., “Compliant Mechanisms: Design of Flexure Hinges”, CRC Press, 2002.

 

Selected Journal Papers

    Lobontiu, N., Ilic, R., Reissman, T., Garcia, E., and Craighead, H.G., “Modeling, Design and Experimental Characterization of Bending-Resonant Circular Nanocantilevers”, Micro and Nanosystems, Vol. 1 (1), pp. 22 – 29, 2009;

    Lobontiu, N., Lupea, I., Ilic, R., and Craighead, H.G., “Modeling, Design and Characterization of Multi-Segment Cantilevers for Resonant Mass Detection”, Journal of Applied Physics, Vol. 103, pp. 064306-01 – 064306-10, 2008; also selected for the April 7, 2008 issue of Virtual Journal of Nanoscale Science & Technology.

Lobontiu, N., Ilic, B., Garcia, E, Reissman, T., Craighead, H.G. “Modeling of Nanofabricated Paddle Bridges for Resonant Mass Sensing.”, Review of Scientific Instruments, Vol. 77, pp. 073301-1 - 073301-9, 2006.

    Lobontiu, N., Garcia, E. “Circular-Hinge Line Element for Finite Element Analysis of Compliant Mechanisms”, ASME Journal of Mechanical Design, Vol. 127, pp. 766-773, July, 2005.

    Garcia, E, Nam, Y., and Lobontiu, N., ‘Design, Modeling and Initial Experiments on Microscale Amplification Device’, Journal of Intelligent Material Systems and Structures, Vol. 16, November/December, pp. 1039-1049, 2005.

    Lobontiu, N., Garcia, E., Hardau, M., Bal, N. “Stiffness Characterization of Corner-Filleted Flexure Hinges.” Review of Scientific Instruments, 75(11), pp. 4896-4905, 2004.

    Lobontiu, N., Garcia, E. “Static Response of Planar Compliant Devices with Small-Deformation Flexure Hinges.” Mechanics Based Design of Structures and Machines, 32(4), pp. 459-490, 2004.

    Lobontiu, N., Garcia, E. “Two Microcantilever Designs: Modeling for Static Deflection and Modal Analysis.” Journal of Microelectromechanical Systems, 13(1), pp. 41-50, 2004.

Lobontiu, N., Garcia, E. “Lumped-Parameter Inertia Model for Flexure Hinges.” Mechanics Based Design of Structures and Machines, 32(1), pp. 73-99, 2004.

 

Selected Conference Papers

Lobontiu, N., Lupea, I., Ilic, B. and Craighead, H.G., “Hybrid Sensing Procedure for Mass and Position Detection with Nano and Macro Resonant Cantilevers”, Sixth International Conference on
Computation of Shell & Spatial Structures (ICCSSS) – Spanning Nano to
Mega
, May 28- 31, 2008, Ithaca, New York (invited paper, keynote lecture).

Lobontiu, N., “On the Accuracy of Compliant Mechanical MEMS/NEMS Lumped-Parameter Modeling”, Sixth International Conference on Computation of Shell & Spatial Structures (ICCSSS) – Spanning Nano to Mega, May 28- 31, 2008, Ithaca, New York (invited paper).

Lobontiu, N., Lupea, I., and Ilic, B., “Macro and Nano Serially-Compounded Cantilevers for Resonance-Shift Mass Detection”, Proceedings of IMECE 2007, 2007 ASME International Mechanical Engineering Congress and Exposition, November 11-15, 2007, Seattle, USA.

Lobontiu, N., “Mass Detection by Nano/Micro Cantilevers and Bridges”, COMEFIM’8, The 8th International Conference on Mechatronics and Precision Engineering, Cluj-Napoca, Romania, June 2006, pp.509-514.

Lobontiu, N., Hardau, M., Munteanu, M. Gh., and Noveanu, S., “Precision Issues in Compliant Mechanisms with Applications to Displacement Amplification Systems”, COMEFIM’8, The 8th International Conference on Mechatronics and Precision Engineering, Cluj-Napoca, Romania, June 2006, pp. 837-842.

Reissman, T., Garcia, E., Lobontiu, N., and Nam, Y., “Integrated Electrostatic Micro-Sensors for the Development of Modeling Techniques of Defects in the Actuation of Large Micro-Electromechanical Systems (MEMS)”, SPIE06 International Conference, San Diego, March 2006.

Reissman, T., Garcia, E., Lobontiu, N., and Nam, Y., “Transfer Function Characterization of a Thermally-Actuated, Electrostatically-Sensed, Displacement-Amplification MEMS”, SPIE06 International Conference, San Diego, March 2006.

Institutional and Professional Service (2004-2008)

2007-2008        UAA Senate member

2007-2008        UAA Institutional and Unit Assessment Committee member

2007-2009 UAA’s ASHRAE Student Chapter, Faculty Advisor

2010-present       UAA Academic Assessment Committee

2010-present       UAA University-wide Faculty Evaluation Committee

Reviewer for several engineering journals

Education

Ph.D., Mechanical Engineering, Technical University of Cluj-Napoca, Romania 1996

BS, Mechanical Engineering. Technical University of Cluj-Napoca, Romania 1985