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Larry Howell received a B.S. degree in mechanical engineering from Brigham Young University and M.S. and Ph.D. degrees from Purdue University. His Ph.D. advisor was Ashok Midha, who is regarded as the "Father of Compliant Mechanisms." [1] Howell is currently a professor at Brigham Young University where his research includes compliant mechanisms and microelectromechanical systems. More recently, Howell has conducted research in lamina emergent mechanisms and nanoinjection.
Biography edit
Howell joined the BYU faculty in 1994 and served as Chair of the Department of Mechanical Engineering from 2001 to 2007[2]. Prior to joining BYU, he was a Visiting Professor at Purdue University, a Finite-Element Analyst for Engineering Methods, Inc., and he was an engineer on the design of the YF-22, the first prototype of the U.S. Air Force F-22 Raptor. His patents and technical publications focus on compliant mechanisms and microelectromechanical systems. He is the author of the book Compliant Mechanisms[3], which is available in English and Chinese.
Dr. Howell is a Fellow of the American Society of Mechanical Engineers (ASME), the Past Chair of the ASME Mechanisms and Robotics Committee, and a past Associate Editor for the Journal of Mechanical Design. His research has been recognized by the BYU Maeser Research Award, the National Science Foundation CAREER Award [4], and the ASME Mechanisms and Robotics Award, among others.
Books edit
Howell, L.L., Compliant Mechanisms, John Wiley & Sons, New York, NY, 2001.
Chinese Translation of Compliant Mechanisms published (under agreement with Wiley), by Higher Education Press, an official publisher of the State Education Department of China. Translator: Professor Yue-Qing Yu.
Selected Articles edit
Ferrell, D.B., Isaac, Y.F., Magleby, S.P., Howell, L.L., "Development of Criteria for Lamina Emergent Mechanism Flexures with Specific Application to Metals", Journal of Mechanical Design, Vol. 133, pp. 031009-1 to 031009-9, March 2011.
Howell, L.L., DiBiasio, C.M., Cullinan, M.A., Panas, R., and Culpepper, M.L., “A Pseudo-Rigid-Body Model for Large Deflections of Fixed-Clamped Carbon Nanotubes,” Journal of Mechanisms & Robotics, Vol. 2, No. 3, 034501-1 to 034501-5.
David, R.A., Jensen, B.D., Black, J. L., Burnett, S. H., Howell, L. L., "Modeling and Experimental Validation of DNA Motion in Uniform and Nonuniform DC Electric Fields", Journal of Nanotechnology in Engineering and Medicine, Vol. 1, October 2010.
Chen, G., Aten, Q.T., Zirbel, S., Jensen, B.D., Howell, L.L., “A Tristable Mechanism Configuration Employing Orthogonal Compliant Mechanisms,” J. Mechanisms and Robotics, vol. 2,pp. 14501-1–14501-6, Feb. 2010.
Jacobsen, J.O., Winder, B.G., Howell, L.L., Magleby, S.P., "Lamina Emergent Mechanisms and their Basic Elements", Journal of Mechanisms and Robotics, Vol. 2, February 2010.
Halverson, P.A., Howell, L.L., and Magleby, S.P., “Tension-Based Multi-stable Compliant Rolling-contact Elements,” Mechanism & Machine Theory, Vol. 45, No. 2, pp. 147-156, 2010.
Winder, B.G., Magleby, S.P., and Howell, L.L., “Kinematic Representations of Pop-up Paper Mechanisms,” Journal of Mechanisms & Robotics, Vol. 1, No. 2, 021009-1 to 021009-10, 2009. (Also presented in Proceedings of IDETC/CIE 2007 as part of the 2007 ASME Mechanisms and Robotics Conference, Las Vegas, NV, Sept. 4-7, 2007, DETC2007-35505.)
Anderson, C.S., Magleby, S.P., Howell, L.L., "Principles and Preliminary Concepts for Compliant Mechanically Reactive Armor", ASME/IFToMM International Conference on Reconfigurable Mechanisms and Robots, 2009.
Dibiasio, C.M., Culpepper, M.L., Panas, R., Howell, L.L., and Magleby, S.P., “Comparison of Molecular Simulation and Pseudo-Rigid-Body Model Predictions for a Carbon Nanotube-Based Compliant Parallel-Guiding Mechanism,” Journal of Mechanical Design, Vol. 130, April 2008.
Berglund, M., Magleby, S., and Howell, L.L., “Design Rules for Selecting and Designing Compliant Mechanisms for Rigid-Body Replacement Synthesis,” Proceedings of the 26th Design Automation Conference, at the 2000 ASME Design Engineering Technical Conference, Baltimore, Maryland, DETC2000/DAC-14225.
Murphy, M.D., Midha, A., and Howell, L.L., “The Topological Synthesis of Compliant Mechanisms,” Mechanism and Machine Theory, Vol. 31, No. 2, pp. 185-199, 1996.
Howell, L.L. and Midha, A., “A Loop-Closure Theory for the Analysis and Synthesis of Compliant Mechanisms,” Journal of Mechanical Design, Trans. ASME, Vol. 118, pp. 121-125, March 1996.
Selected Patents edit
Compliant bistable micromechanism US Pat. 7075209
Compliant, ortho-planar, linear motion spring US Pat. 6983924 Micromechanical positional state sensing apparatus method and system US Pat. 7616013
Bistable micromechanical devices US Pat. 7554342
Compliant overrunning clutch with centrifugal throw-out US Pat. 6148979
References edit
- ^ http://www.seas.upenn.edu/~gksuresh/mylinks.html
- ^ http://me.byu.edu/faculty/larryhowell
- ^ http://www.wiley.com/WileyCDA/WileyTitle/productCd-047138478X.html
- ^ Journal of Mechanical Design, Vol. 126, No. 6, pp. 941–942, November 2004
External links edit