Photo of H. J. Sommer

H. J. Sommer

Professor

Affiliation(s):

  • Mechanical and Nuclear Engineering
  • Mechanical Engineering

337 Leonhard Building

hjs1@psu.edu

814-863-8997

Personal or Departmental Website

Research Areas:

Biomechanics and Bioengineering, Mechanical Sciences

Interest Areas:

Kinematics, biomechanics, mechatronics, robotics, machine vision, unmanned aircraft.

 
 

 

Education

  • BS, Mechanical Engineering, 1974
  • MS, Mechanical Engineering, 1977
  • Ph D, Mechanical Engineering, 1980

Publications

Journal Articles

  • Henry J Sommer, N Ochoa-Lleras, S N Brennan, D J Murphy and P M Garvey, 2016, "Development of an open source tractor driving simulator for tractor stability tests", Agricultural Safety and Health, 22, (4), pp. 227-246
  • Henry J Sommer, 2015, "Self-excited limit cycle yaw oscillation instability of external sling payloads with dual point suspension during level flight", J. American Helicopter Society
  • J. A. Tillapugh, D. J. Murphy, Henry J Sommer and P. M. Garvey, 2010, "Operator assessment of tractor roll angle with and without a tractor stability visual feedback device", J. Agricultural Safety and Health, 16, (4), pp. 249-264
  • Robert B Eckhardt, Henry J Sommer and Adam J Kuperavage, 2010, "Moment coefficients of skewness in the femoral neck cortical bone distribution of BAR 1002'00.", Journal of Human Biology, 61, (4), pp. 9
  • E. T. Donnell, Henry J Sommer, P. M. Garvey, S. C. Himes and D. J. Torbic, 2009, "Statistical model of in-vehicle sound generated from highway rumble strips", Int. J. Vehicle Noise and Vibration, 5, (4), pp. 308-328
  • Henry J Sommer, 2008, "Jerk analysis and axode geometry of spatial linkages", ASME J. Mech. Design, 130, (4), pp. 042301
  • Henry J Sommer, R. B. Eckhardt and T. Y. Shiang, 2006, "Superquadric modeling of cranial and cerebral shape and asymmetry", Am. J. Physical Anthropology, 129, (2), pp. 189-195
  • G. S. Lewis, Henry J Sommer and S. J. Piazza, 2006, "In vitro assessment of a motion-based optimization method for locating the talocrural and subtalar joint axes", ASME J. Biomech. Engr., 128, (4), pp. 596-603
  • C. I. Nichol, Henry J Sommer and D. J. Murphy, 2005, "Simplified overturn stability monitoring of agricultural tractors", J. Agri Safety and Health, 11, (1), pp. 99-108
  • T. W. Flynn, P. R. Cavanagh, Henry J Sommer and J. A. Derr, 2002, "Tibial flexural wave propagation in vivo: Potential for bone stress injury risk assessment", Work, 18, (2), pp. 151-159
  • J. L. McCrory, D. R. Lemmon, Henry J Sommer, B. Prout, D. Smith, D. W. Korth, J. Lucero, M. Greenisen, J. Moore, I. Kozlovskay, I. Pestov, V. Stepansov, Y. Miyakinchenko and P. R. Cavanagh, 1999, "Evaluation of a treadmill with vibration isolation and stabilization (TVIS) for use on the International Space Station", Journal of Applied Biomechanics, 15, (3), pp. 292-302
  • W. Zhao, G. Wu and Henry J Sommer, 1998, "Closed-form kinematics for a spatial closed-chain mechanism modeling biped stance", Mechanism and Machine Theory, 33, (4), pp. 379-387
  • T. M. Kepple, Henry J Sommer, K. Lohmann-Siegel and S. J. Stanhope, 1998, "A three-dimensional musculoskeletal database for the lower extremities", Journal of Biomechanics, 31, (1), pp. 77-80
  • Z. Wang, P. H. Heinemann, Henry J Sommer, P. N. Walker, C. T. Morrow and C. Heuser, 1998, "Identification and separation of micropropagated sugarcane shoots based on the Hough transform", Transactions of the ASAE, 41, (5), pp. 1535-1541
  • P. J. Egbelu, C. M. Harmonosky, J. A. Ventura, W. E. O'Brien and Henry J Sommer, 1998, "Cost analysis of hospital material management systems", Journal of the Society for Health Systems, 5, (4), pp. 1-10
  • L. R. Monteiro, M. J. Cavalcanti and Henry J Sommer, 1997, "Comparative ontogenetic shape changes in the skull of Caiman species (Crocodylia, Alligatoridae)", Journal of Morphology, 231, (1), pp. 53-62
  • B. L. Davis, P. R. Cavanagh, Henry J Sommer and G. Wu, 1996, "Ground reaction forces during locomotion in simulated microgravity", Aviation, Space, and Environmental Medicine, 67, (3), pp. 235-242
  • J. A. Cafeo, M. W. Trethewey and Henry J Sommer, 1995, "Beam element structural dynamics modification using experimental modal rotational data", Journal of Vibration and Acoustics, 117, (3), pp. 265-271
  • Y. Tao, P. H. Heinemann, Z. Varghese, C. T. Morrow and Henry J Sommer, 1995, "Machine vision for color inspection of potatoes and apples", Transactions of the ASAE, 38, (5), pp. 1555-1561
  • P. H. Heinemann, Z. A. Varghese, C. T. Morrow, Henry J Sommer and R. M. Crassweller, 1995, "Machine vision inspection of 'Golden Delicious' apples", Applied Engineering in Agriculture, 11, (6), pp. 901-908
  • S. Deck, C. T. Morrow, P. H. Heinemann and Henry J Sommer, 1995, "Comparison of a neural network and traditional classifier for machine vision inspection", Applied Engineering in Agriculture, 11, (2), pp. 319-326
  • Y. Tao, C. T. Morrow, P. H. Heinemann and Henry J Sommer, 1995, "A fourier-based separation technique for shape grading of potatoes using machine vision", Transactions of the ASAE, 38, (3), pp. 949-957
  • E. H. Bokelberg, Henry J Sommer and M. W. Trethewey, 1994, "A six-degree-of-freedom laser vibrometer, Part I: Theoretical development", Journal of Sound and Vibration, 178, (5), pp. 643-654
  • E. H. Bokelberg, Henry J Sommer and M. W. Trethewey, 1994, "A six-degree-of-freedom laser vibrometer, Part II: Experimental Validation", Journal of Sound and Vibration, 178, (5), pp. 655-667
  • N. V. Puntambekar, A. G. Jablokow and Henry J Sommer, 1994, "A unified review of 3D model generation for reverse engineering", Computer Integrated Manufacturing Systems, 7, (4), pp. 259-268
  • M. A. Lafortune, P. R. Cavanagh, Henry J Sommer and A. Kalenak, 1994, "Foot inversion-eversion and knee kinematics during walking", Journal of Orthopaedic Research, 12, (3), pp. 412-420
  • P. H. Heinemann, R. Hughes, C. T. Morrow, Henry J Sommer, R. B. Beelman and P. J. Wuest, 1994, "Grading of mushrooms using a machine vision system", Transactions of the ASAE, 37, (5), pp. 1671-1677
  • M. W. Trethewey, Henry J Sommer and J. A. Cafeo, 1993, "A dual beam laser vibrometer for measurement of dynamic structural rotations and displacements", Journal of Sound and Vibration, 164, (1), pp. 67-84
  • T. Y. Shiang, Henry J Sommer and R. B. Eckhardt, 1993, "Quantification of cranial surface asymmetry using superquadrics", Biomedical Engineering: Applications, Basis, and Communications, 5, (1), pp. 20-37
  • J. A. Cafeo, M. W. Trethewey and Henry J Sommer, 1992, "Measurement and application of experimental rotational degrees of freedom for mode shape refinement", International Journal of Analytical and Experimental Modal Analysis, 7, (4), pp. 255-269
  • Henry J Sommer, 1992, "Determination of first and second order instant screw parameters from landmark trajectories", Journal of Mechanical Design, 114, (2), pp. 274-282
  • R. Krishnan, Henry J Sommer and P. D. Spidaliere, 1992, "Monocular pose of a rigid body using point landmarks", Journal of Computer Vision, Graphics, and Image Processing: Image Understanding, 55, (3), pp. 307-316
  • M. A. Lafortune, P. R. Cavanagh, Henry J Sommer and A. Kalenak, 1992, "Three dimensional kinematics of the human knee during walking", Journal of Biomechanics, 25, (4), pp. 347-357
  • P. H. Heinemann, C. T. Morrow, S. Joshi and Henry J Sommer, 1991, "Improving efficiency in a specialty baked product line", Applied Engineering in Agriculture, 7, (5), pp. 587-592
  • S. R. Turns, J. A. Lovett and Henry J Sommer, 1989, "Visualization of soot zones in turbulent diffusion flames", Combustion and Flame, 77, (3-4), pp. 405-409
  • M. W. Trethewey, B. T. Kulakowski, J. S. Lamancusa and Henry J Sommer, 1988, "The PC as a laboratory tool", Computers in Mechanical Engineering, 7, (2), pp. 26-33
  • D. J. Murphy, D. G. Beppler and Henry J Sommer, 1985, "Tractor stability indicator", Applied Ergonomics, 16, (3), pp. 187-191
  • D. J. Sanderson and Henry J Sommer, 1985, "Kinematic features of wheelchair propulsion", Journal of Biomechanics, 18, (6), pp. 423-430
  • Henry J Sommer, N. R. Miller and G. J. Pijanowski, 1982, "Three-dimensional osteometric scaling and normative modelling of skeletal segments", Journal of Biomechanics, 15, (3), pp. 171-182
  • Henry J Sommer and C. Cusano, 1982, "Experimental investigation of the frictional behavior of sintred metal friction materials under contaminated conditions", Journal of the American Society of Lubrication Engineers, 38, (9), pp. 567-573
  • G. J. Pijanowski, G. B. Tarvin and Henry J Sommer, 1981, "In-vitro analysis of two canine pelvic osteotomy techniques", Veterinary Surgery, 10, (4), pp. 139-142
  • Henry J Sommer and N. R. Miller, 1981, "A technique for the calibration of instrumented spatial linkages used for biomechanical kinematic measurements", Journal of Biomechanics, 14, (2), pp. 91-98
  • Henry J Sommer and N. R. Miller, 1980, "A technique for kinematic modelling of anatomical joints", Journal of Biomechanical Engineering, 102, (4), pp. 311-317

Conference Proceedings

  • N. Okita and Henry J Sommer, 2014, "A novel gait and foot slip detection algorithm for walking robots", ASME 2014 Dynamic Systems and Control Conf.
  • N. Okita and Henry J Sommer, 2013, "Angular acceleration of the foot during gait using an IMU", Proc. Ann. Mtg. of Amer. Soc. of Biomechanics, ASB
  • N. Okita and Henry J Sommer, 2012, "A novel foot slip detection algorithm using unscented Kalman filter innovation", Proc. 2012 American Control Conf., pp. 5163-5168
  • P. M. Garvey, D. J. Murphy, Henry J Sommer and C. I. Nichol, 2007, "Operator interface for tractor rollover mitigation system", Proc. ASABE Ann. Int. Mtg., pp. p. 14
  • M. A. Minnicino and Henry J Sommer, 2004, "Detecting and quantifying friction nonlinearity using the Hilbert transform", Proc. 9th Ann. Int. Symp. on NDE for Health Monitoring and Diagnostics, SPIE, 5394, pp. 419-427
  • M. J. Majewski, M. W. Trethewey and Henry J Sommer, 2003, "Evaluation of a pure moment exciter for measurement of rotational DOF frequency response functions", Proc. ASME 2003 Int. Mech. Engr. Congr., IMEC2003-43836, pp. 8
  • M. W. Trethewey and Henry J Sommer, 2002, "Application of a pure moment exciter for measurement of moment-rotational DOF frequency response functions", Proc. 20th Int. Modal Analysis Conf., 20, pp. 1153-1158
  • M. W. Trethewey and Henry J Sommer, 2002, "Measurement of rotational DOF frequency response functions with pure moment excitation", Proc. Int. Conf. on Structural Dynamics Modelling, pp. 81-88
  • J. F. Gardner, J. S. Lamancusa and Henry J Sommer, 1999, "Mechatronics II: Advanced mechatronics for mechanical engineering students", Proc. 1999 Int. Conf. on Adv. Intelligent Mechatronics, IEEE/ASME, pp. 472-476
  • W. Zhao, G. Wu and Henry J Sommer, 1998, "Experimental validation study of three-dimensional human dynamic standing balance", Proc. 5th Int. Symp. on 3-D Analysis of Human Movement, ASB/ISB, pp. 69-72
  • Z. Wang, P. H. Heinemann, P. N. Walker, C. T. Morrow, Henry J Sommer and C. Heuser, 1996, "Vision-guided separation of micropropagated sugarcane shoots", ASAE Paper 96-3069, pp. 14
  • K. E. Carpenter, Henry J Sommer and L. F. Marcus, 1996, "Converting truss interlandmark distances to cartesian coordinates", Plenum Press, pp. 103-111
  • Henry J Sommer, M. J. Erickson, M. W. Trethewey and J. A. Cafeo, 1994, "Single beam laser vibrometer for simultaneous measurement of translation, pitch, and roll with neural network calibration", Proc. 12th Int. Modal Analysis Conf., Honolulu, HI, SEM, 12, (2), pp. 1196-1201
  • R. Krishnan and Henry J Sommer, 1994, "Estimation of rock face stability", Proc. Mach. Vision Appl. and Systems Integr., SPIE, 2347, pp. 93-104
  • J. A. Cafeo, Henry J Sommer and M. W. Trethewey, 1993, "On the use of measured rotational degrees-of-freedom in structural dynamics modification", Proc. 11th Int. Modal Analysis Conf., Kissimmee, FL, SEM, 11, (1), pp. 96-101
  • E. H. Bokelberg, Henry J Sommer and M. W. Trethewey, 1993, "Simultaneous measurement of six coordinate vibration: Three translations and three rotations", Proc. 11th Int. Modal Analysis Conf., Kissimmee, FL, SEM, 11, (2), pp. 522-527
  • M. W. Trethewey, Henry J Sommer, J. A. Cafeo and C. H. Chu, 1993, "Measurement and application of rotational degrees of freedom in structural vibration", Proc. 1993 Int. Noise and Vibration Control Conf., St. Petersburg, Russia, 1, pp. 3-8
  • R. Krishnan and Henry J Sommer, 1992, "Machine vision inspection of component footprints in PCB artwork", Proc. Applications of Artificial Intelligence X Conf., SPIE, 1708, pp. 819-829
  • J. S. DiGregorio, T. Krauthammer, K. M. Grossman, W. R. Hager, M. E. Keune and Henry J Sommer, 1992, "Simultaneous degree programs in engineering and a second language for American students", Proc. 3rd World Conf. on Engr. Education, Portsmouth, England, 3, pp. 261-266
  • S. Deck, C. T. Morrow, P. H. Heinemann and Henry J Sommer, 1992, "Neural networks for automated inspection of produce", ASAE Paper 92-3594, pp. 14
  • P. H. Heinemann, Henry J Sommer, C. T. Morrow, R. Beelman, C. C. Kao and R. Hughes, 1991, "An automated mushroom inspection system using artificial intelligence and machine vision", ASAE Paper 91-7001, pp. 14
  • J. A. Cafeo, J. R. Rieker, M. W. Trethewey and Henry J Sommer, 1991, "Application of a three degree of freedom laser vibrometer for experimental modal analyses", Proc. Ninth Int. Modal Analysis Conf., Florence, Italy, SEM, 9, (2), pp. 1161-1167
  • Z. Varghese, C. T. Morrow, P. H. Heinemann, Henry J Sommer, Y. Tao and R. M. Crassweller, 1991, "Automated inspection of golden delicious apples using color computer vision", ASAE Paper 91-7002, pp. 16
  • Y. Tao, S. H. Deck, C. T. Morrow, P. H. Heinemann, Henry J Sommer and R. H. Cole, 1991, "Rule supervised automated machine vision inspection of produce", ASAE Paper 91-7003, pp. 19
  • Henry J Sommer and F. L. Buczek, 1991, "Three dimensional experimental angular velocity and angular acceleration", Proc. Int. Symp. on 3D Analysis of Human Movement, Montreal, Canada, ASB/CSB, pp. 63-66
  • I. S. McClay, P. R. Cavanagh, Henry J Sommer, H. J. Woltring and A. Kalenak, 1991, "Three dimensional angular kinematics of the tibiofemoral joint during running", Proc. Int. Symp. on 3D Analysis of Human Movement, Montreal, Canada, ASB/CSB, pp. 189-192
  • S. Deck, C. T. Morrow, P. H. Heinemann and Henry J Sommer, 1991, "Neural networks versus traditional classifiers for machine vision inspection", ASAE Paper 91-3502, pp. 13
  • Henry J Sommer and R. Krishnan, 1991, "Three dimensional monocular pose measurement using computational neural networks", Proc. Intelligent Robots and Computer Vision X Conference, SPIE, 1608, pp. 472-479
  • Henry J Sommer, C. C. Kao and S. R. Turns, 1990, "Enhancement and morphometric analysis of digital images of turbulent flames", Proc. 2nd Fossil Fuel Combustion Symp., ASME, PD, 30, pp. 51-57
  • M. D. Whalen and Henry J Sommer, 1990, "Design and modal analysis of a prototype link for a flexible robot manipulator", Proc. 8th Int. Modal Analysis Conf., SEM, 8, (2), pp. 1440-1446
  • C. T. Morrow, P. H. Heinemann, Henry J Sommer, Y. Tao and Z. Varghese, 1990, "Automated inspection of potatoes, apples, and mushrooms", Proc. First Int. Workshop on Robotics in Agriculture and the Food Ind., Avignon, France, IARP, 1, pp. 179-188
  • Henry J Sommer, 1990, "Determination of first and second order instant screw parameters from landmark trajectories", Proc. 21st Mechanisms Conf., ASME, DE, 25, pp. 429-437
  • J. A. Cafeo, M. W. Trethewey and Henry J Sommer, 1990, "A noncontacting transducer for the measurement of vibratory displacements and rotations", Proc. 1990 Int. Conf. on Noise Control Engr., Gothenburg, Sweden, 2, pp. 1033-1036
  • M. D. Whalen and Henry J Sommer, 1990, "Mode shape selection for modelling an experimental two-link flexible manipulator", Robotics Research, ASME, DSC, 26, pp. 47-52
  • Y. Tao, C. T. Morrow, P. H. Heinemann and Henry J Sommer, 1990, "Automated machine vision inspection of potatoes", pp. 20
  • J. S. Lamancusa, D. A. Saravanos and Henry J Sommer, 1989, "Shape optimization of robotic manipulators for maximum stiffness and load carrying capacity", Advances in Design Automation, ASME, DE, 19, (2), pp. 191-200
  • S. K. Chittajallu and Henry J Sommer, 1989, "Two-dimensional layout of robot assembly cells", Advances in Manufacturing Systems Engineering, ASME, PED, 37, pp. 169-180
  • J. C. Wambold and Henry J Sommer, 1988, "Machine vision for inspection of codfish", Proc. Int. Instrumentation Symp., ISA, 34, (1), pp. 71-82
  • M. W. Trethewey, B. T. Kulakowski, J. S. Lamancusa, Henry J Sommer and J. M. Cimbala, 1988, "Integrated use of microcomputers as a laboratory tool in mechanical engineering education", Proc. Int. Computers in Engr., ASME, 2, pp. 461-469
  • J. R. Bosnik and Henry J Sommer, 1987, "Vibrational kinematic parameter estimation for robotic manipulators", Proc. 5th Int. Modal Analysis Conf., SEM, London, England, 5, (2), pp. 1432-1437
  • D. A. Saravanos, J. S. Lamancusa and Henry J Sommer, 1987, "Shape optimum design of robotic manipulators with static performance criteria", Advances in Design Automation, ASME, DE, 10, (2), pp. 37-44
  • S. K. Chittajallu and Henry J Sommer, 1986, "Layout design for robotic assembly workcells", Proc. ROBOTS 10, SME, pp. 7.59-7.69
  • D. J. Sanderson, Henry J Sommer and P. R. Cavanagh, 1986, "Modification of the pedaling mechanics of cyclists", Proc. Conf. on Medical Devices and Sporting Equipment, ASME, DE-1, pp. 17-20
  • S. M. Geyer, M. E. Crouse, Henry J Sommer and S. S. Lestz, 1985, "A versatile oscilloscope microcomputer based data handling system", SAE Paper 852069, pp. 8
  • D. C. Beppler, D. J. Murphy and Henry J Sommer, 1983, "The design factor in tractor stability surveillance devices", pp. 17

Manuscripts

  • Henry J Sommer, N Ochoa-Lleras, S N Brennan, D J Murphy and P H Garvey, 2017, "Perceptions and alerts of tractor instability"
  • H. van Werkhoven, Henry J Sommer and P. E. Martin, , "Refinements of moment-based cost functions improve prediction of experimental moment profiles in cycling"
  • Henry J Sommer, J. M. Cimbala and D. G. Miller, , "Yaw instability of external sling payloads during level flight", J. Amer. Helicopter Soc.
  • Henry J Sommer, , "Third-order differential-algebraic equations for improved integration of constrained multibody dynamics", ASME J. Computational and. Nonlinear Dynamics (CND-12-1090)
  • Henry J Sommer, , "Kinematic jerk and snap for constrained multibody chains", ASME J. Mechanisms and Robotics (JMR-12-1071)
  • Henry J Sommer, J. M. Cimbala and D. G. Miller, , "Self-excited limit cycle yaw oscillation instability of external sling payloads with dual point suspension during level flight", J. American Helicopter Society

Other

  • N. Okita and Henry J Sommer, 2014, "Development of a novel gait and foot slip detection algorithm for future humanoids"
  • J. M. Leondardis, E. W. Sinsel, K. Werner, T. M. Kepple, Henry J Sommer and F. L. Buczek, 2014, "A sparse motion capture development platform accurately predicts lower extremity biomechanics during an occupational lifting task"
  • F. L. Buczek, E. W. Sinsel, J. M. Leonardis, K. Werner, T. M. Kepple and Henry J Sommer, 2014, "A sparse motion capture development platform for use in occupational biomechanics"
  • P. M. Garvey, J. Daniels, S. N. Brennan, Henry J Sommer and D. J. Murphy, 2014, "GoPro filming of driver behavior while operating farm tractors"
  • N. Ochoa-Lleras, A. A. Brown, S. N. Brennan, P. M. Garvey, Henry J Sommer and D. J. Murphy, 2014, "Development of an open-source immersive tractor driving simulator"
  • Henry J Sommer, A. J. Kuperavage, R. B. Eckhardt, R. M. Norris and M. Henneberg, 2006, "Comparisons of coordinate digitizers for cranial surfaces", 42
  • R. M. Norris, A. J. Kuperavage, R. B. Eckhardt, Henry J Sommer and M. Henneberg, 2006, "Morphological and molecular measures of Papionine diversity as standards for the interpretation of Hominin diversity", 42
  • Henry J Sommer, M. F. Heller, N. A. Sharkey and J. H. Challis, 2005, "Postural control related to flexibility of the hindfoot when bearing heavy loads", pp. p. 372
  • R. B. Eckhardt, A. Kuperavage, Henry J Sommer and K. Galik, 2005, "Short stature or tall story? Hypothesis and imagination in body size reconstruction of LB1 from Flores, Indonesia", pp. p. 913
  • J. H. Challis and Henry J Sommer, 2002, "Assessment of sincerity of effort during isometric strength testing", pp. 271-272
  • Henry J Sommer and J. J. Stauffer, 2002, "Handheld slipmeter to measure slip resistance between shoe and flooring materials", pp. p. 338
  • M. M. Peterman, A. J. Hamel, D. R. Lemmon, Henry J Sommer and P. R. Cavanagh, 2000, "A side suspension device for simulation of locomotion in micro-gravity", pp. 191-192
  • Henry J Sommer, 2000, "Dual axis cranial accelerometry to assess postural stability", pp. 90
  • T. W. Flynn, P. R. Cavanagh, Henry J Sommer and J. A. Derr, 1998, "Relationship among age, tibial width, late menarche, and tibial bone quality in young women", Medicine & Science in Sports & Exercise, 30, (5), pp. 47
  • J. K. Startzell, Henry J Sommer, D. R. Lemmon and P. R. Cavanagh, 1997, "A website for teaching fundamental 3D kinematic analysis", pp. 37-38
  • C. S. Ripley, S. P. Beals, E. F. Joganic, J. Pomatto, K. Manwaring, S. D. Moss, Henry J Sommer, R. B. Eckhardt and J. T. Eckhardt, 1995, "Mathematical modeling of cranial molding: Superquadric images document rapid change of cranial form in response to environmental influences", American Journal of Physical Anthropology, (Supplement 20), pp. 89
  • Henry J Sommer, T. M. Kepple, K. Lohmann-Siegel and S. J. Stanhope, 1994, "A three-dimensional musculoskeletal database designed for the analysis of human lower extremity motion", pp. 1043-1046
  • Henry J Sommer and M. W. Powell, 1994, "Feasibility of adjustable prosthetic sockets using shape memory alloy wire", pp. 170-173
  • M. W. Powell and Henry J Sommer, 1994, "Adjustable prosthetic/orthotic sockets using shape memory alloys", 28, pp. 253-254
  • T. M. Kepple, Henry J Sommer, K. Lohmann-Siegel and S. J. Stanhope, 1994, "Three dimensional normative databases of muscle origins and insertions for the lower extremities", pp. 37-38
  • T. Y. Shiang, Henry J Sommer and R. B. Eckhardt, 1993, "Superquadric modeling of cranial contours", American Journal of Physical Anthropology, 36, (Supplement 16), pp. 179
  • I. S. McClay, P. R. Cavanagh, Henry J Sommer and A. Kalenak, 1991, "The effect of orthotic treatment on tibiofemoral and patellofemoral kinematics", Journal of the American Physical Therapy Association, 71, (6), pp. S-46
  • I. S. McClay, P. R. Cavanagh, A. Kalenak and Henry J Sommer, 1991, "Three dimensional kinematics of the patellofemoral joint during running", pp. 146-147
  • B. L. Davis, P. R. Cavanagh, R. Bock and Henry J Sommer, 1991, "Measuring ground reaction forces in a zero-gravity locomotion simulator", pp. 336-338
  • T. Y. Shiang, Henry J Sommer and R. B. Eckhardt, 1991, "Superquadric modeling of cranial asymmetry", pp. 75-76
  • C. T. Morrow, P. H. Heinemann, S. Deck, Z. Varghese, Y. Tao, Henry J Sommer, R. M. Crasswelter, R. H. Cole and J. E. McClure, 1991, "Automated inspection of fruits and vegetables", Pennsylvania Fruit News, 71, (2), pp. 44-46
  • F. L. Buczek, P. R. Cavanagh and Henry J Sommer, 1990, "Three dimensional ankle and knee kinetics during level and grade walking", pp. 85
  • Henry J Sommer and F. L. Buczek, 1990, "Experimental determination of the instant screw axis and angular acceleration axis", pp. 141-142
  • F. L. Buczek, P. R. Cavanagh and Henry J Sommer, 1990, "Three dimensional kinematics and kinetics of the ankle and knee during level and grade walking", Journal of Biomechanics, 24, (3), pp. 238
  • Henry J Sommer and F. L. Buczek, 1990, "Least squares estimation of the instant screw axis and angular acceleration axis", 17, pp. 339-342
  • Henry J Sommer, 1989, "Computer vision and inspection laboratory", 4, pp. 35-36
  • Henry J Sommer, 1988, "Three-dimensional normative atlases of contemporary human longbones", American Journal of Physical Anthropology, 75, (2), pp. 273-274
  • G. M. Dick, K. Tomiyama and Henry J Sommer, 1986, "End-point control of a two-link compliant manipulator", pp. 137-143
  • G. M. Dick, K. Tomiyama and Henry J Sommer, 1986, "End-point control of a compliant two-link robot", 17, (5), pp. 1739-1745
  • S. K. Chittajallu and Henry J Sommer, 1985, "Interactive design of the physical layout of robotic assembly cells", pp. 22
  • M. A. Lafortune, P. R. Cavanagh, A. Kalenak, S. M. Skinner and Henry J Sommer, 1983, "The measurement of normal knee joint motion during walking using intra-cortical pins", pp. 28
  • W. A. Gendron and Henry J Sommer, 1982, "Pulsed sonic coordinate digitization using point-effect microphones", pp. 167
  • M. A. Lafortune, P. R. Cavanagh, A. Kalenak, S. M. Skinner and Henry J Sommer, 1982, "The use of intra-cortical pins to measure the kinematics of the knee joint", pp. 40-41
  • Henry J Sommer and N. R. Miller, 1981, "A technique for analytical representation of normative articular surfaces", pp. 229-231
  • Henry J Sommer and N. R. Miller, 1980, "Analytical representation of the articular surface of the femoral head", pp. 221-223
  • Henry J Sommer and N. R. Miller, 1979, "A technique for the estimation of kinematic parameters of a spatial anatomical joint model", pp. 219-222
  • Henry J Sommer and N. R. Miller, 1979, "Regressive osteometric scaling applications to mirror symmetry and statistical coordinate models", pp. 87-98

Research Projects

  • October 2012 - September 2016, "Farm Tractor Stability Systems to improve operator and mechanical performance," (Sponsor: NIOSH NYCAMH).
  • March 2014 - February 2015, "Mobile monitoring of fracture healing," (Sponsor: Hershey Medical Center Clinical and Translational Science Institute (CTSI)).
  • September 2012 - August 2013, "Farm Tractor Stability Systems to improve operator and mechanical performance," (Sponsor: Mary Imogene Bassett Hospital).
  • December 2010 - May 2011, "Testing of Body Positioning Recorder (BPR) in the home to monitor treatment for sleep apnea," (Sponsor: PSU Center for Integrated Healthcare Delivery Systems).
  • October 2008 - December 2010, "Portable Biomechanical Assessment Suite (PBAS)," (Sponsor: NIOSH Morgantown).
  • July 2007 - June 2009, "Protocol for clinical measurement of pediatric positional plagiocephaly," (Sponsor: PSU Grace Woodward Biomedical Grant Program).
  • June 2005 - August 2008, "Guidance for the design and application of Shoulder and Centerline Rumble Strips," (Sponsor: MRI Global).
  • June 2005 - June 2007, "Guidance for the design and applications of Shoulder and Centerline Rumble Strip National Cooperative Highway Research Program," (Sponsor: Midwest Research Institute).
  • October 2001 - September 2006, "Display of stability data for safe tractor operation," (Sponsor: NIOSH).
  • September 2005 - September 2006, "Display of stability data for safe tractor operation - year 5," (Sponsor: Mary Imogene Bassett Hospital).
  • September 2004 - September 2005, "Display of stability data for safe tractor operation - year 4," (Sponsor: Mary Imogene Bassett Hospital).
  • September 2003 - September 2004, "Display of stability data for safe tractor operation," (Sponsor: Mary Imogene Bassett Hospital).

Honors and Awards

  • PSEAS Distinguished Service Award, April 2012
  • Fellow, American Society of Mechanical Engineers, September 2007
  • Milton S. Eisenhower Award for Distinguished Teaching, February 2002
  • Schreyer's Honors College, Outstanding Honors Advising, May 2001
  • PSES Premier Teaching Award, April 1995
  • PSE Outstanding Faculty Teaching Award, May 1991
  • PSES Outstanding Faculty Advisor Award, May 1987
  • Machinery Award, May 1974
  • Tau Beta Pi, Pi Tau Sigma, Phi Kappa Phi, Phi Eta Sigma honoraries, May 1974
  • Department of Mechanical and Industrial Engineering Alumnus Advisory Board, April 2002

Service

Service to Penn State:

  • Member, Faculty Workload Review Committee, March 2016 - July 2016
  • Member, Promotion and Tenure Committee, July 2014 - June 2016
  • , Unmanned Aircraft Demonstrations for Ag Progress Days, August 2016
  • Member, IE 312 Task Force, January 2016 - December 2016
  • Chairperson, Teaching Load Policy Committee, July 2013 - February 2015
  • Member, INGaR Faculty Search, September 2014 - March 2015
  • Mentor, Junior Faculty, Jason Moore, September 2011 - July 2015
  • , July 2015
  • , July 2015
  • , August 2015
  • Member, PSEAS Distinguished Service Award Committee, February 2015
  • , Undergraduate Teaching Intern (TI) Program, August 2014 - December 2014
  • Member, PSEAS Distinguished Service Award Committee, January 2014 - January 2014
  • , Faculty Advisor Schreyer Scholars, September 2012 - September 2013
  • Mentor, Junior Faculty, Reuben Kraft, September 2013 - December 2013
  • Member, PSEAS Distinguished Service Award Committee, February 2013 - February 2013
  • Member, Presidential Task Force on Child Maltreatment, January 2012 - June 2013
  • Member, OPR Committee on Research Misconduct, October 2012 - April 2013
  • Mentor, Schreyer Honors College Freshman Admission Review, January 2013 - January 2013
  • Member, Schreyer Honors College Freshman Admission Review, January 2012 - January 2012
  • Member, Promotion and Tenure Committee, January 2011 - December 2012
  • Member, Promotion and Tenure Committee, August 2008 - December 2012
  • Member, Graduate Recruiting Committee, September 2007 - September 2012
  • Member, Executive Committee, June 2008 - June 2011
  • Chairperson, Graduate Policy Committee, July 2008 - June 2011
  • Member, Undergraduate Curriculum Improvement Committee, August 2008 - June 2011
  • Member, Honors and Awards Committee, September 2010 - June 2011
  • Member, Bio Faculty Search, September 2010 - April 2011
  • Chairperson, Civil and Environmental Engineering AD-14 Administrative Review Committee, November 2010 - April 2011
  • Member, Undergraduate Laboratory Committee, March 2011 - October 2011
  • Member, Schreyer Honors College Freshman Admission Review Committee, January 2011 - December 2011
  • , Charge of Graduate Programs Service for the department, June 2008 - June 2011
  • Member, Five Year Faculty Review Committee, Great Valley Campus, April 2010 - April 2010
  • Member, Schreyer Honors College Freshman Admission Review Committee, December 2010 - December 2010
  • Chairperson, Bioengineering AD-14 Administrative Review Committee, March 2010 - May 2010
  • Member, EDAPP Promotion and Tenure Committee, October 2009 - March 2010
  • Member, Open Faculty Search, September 2009 - May 2010
  • Member, Department Head Administrative Assistant Search, May 2010 - July 2010
  • Member, Promotion and Tenure Committee, August 2008 - July 2010
  • Member, Business Office Administrative Assistant Search, June 2009 - July 2009
  • Member, Department Head Administrative Assistant Search, August 2009 - September 2009
  • Representative, Marshal Engineering Commencement, May 2009 - May 2009
  • Member, Schreyer Honors College Freshman Admission Review Committee, January 2008 - January 2009
  • Representative, Marshal Engineering Commencement, May 2008 - May 2008
  • Member, Schreyer Honors College Freshman Admission Review Committee, January 2007 - April 2008
  • Chairperson, Associate Dean for Graduate Studies and Research, September 2008 - December 2008
  • Chairperson, Promotion and Tenure Committee, October 2007 - October 2008
  • , Marshal Engineering Commencement, May 2008 - May 2008
  • Presenter, Promotion and Tenure Workshop, August 2008 - August 2008
  • Member, Graduate Policy Committee, August 2006 - June 2008
  • Member, Promotion and Tenure Committee, August 2006 - August 2007
  • Representative, Marshal Engineering Commencement, May 2007 - May 2007
  • , Interim Head Department of Mechanical and Nuclear Engineering, June 2005 - June 2006
  • Member, Schreyer Honors College Freshman Admission Review, January 2005 - April 2006
  • , College Marshal Engineering Commencement, May 2005 - May 2005
  • Chairperson, Rigid Body Mechanics Ph.D. Candidacy Exam Committee, August 2002 - September 2005
  • , Chairman System Design and Control Curriculum Team, October 2003 - October 2005
  • , Faculty Advisor Schreyer Scholars, September 2004 - June 2005
  • , Professor in charge of graduate program, June 2002 - June 2002
  • Mentor, Junior Faculty, Reuben Kraft, August 2015
  • Co-Advisor, PSU Student Unmanned Aerial Systems Club, August 2015
  • Member, Undergraduate Advising Taskforce, August 2015
  • Member, MS Support Taskforce, November 2011
  • Member, Graduate Student Recruiting and Support Committee, September 2016
  • Member, Nationwide Professor Search Committee for Biological Engineering, January 2017
  • Chairperson, Rigid Body Mechanics Ph.D. Candidacy Exam Committee, August 2007
  • Chairperson, Undergraduate Laboratory Committee, November 2011
  • Member, University Promotion and Tenure Committee, July 2014
  • Mentor, Mentor to Junior Faculty- Jing Du, September 2016
  • Chairperson, Rigid Body Mechanics Ph.D. Candidacy Exam Committee, August 2007
  • , College Diversity Committee, January 2010
  • Member, M. Engr. in ME Committee, November 2011
  • Member, Summer Program Task Force, April 2014

Service to External Organizations:

  • Presenter, Unmanned Aircraft for Agricultural Applications, Penns Valley Young Farmers, February 2016
  • Presenter, Unmanned Aircraft for Agricultural Applications, PA Dairy Summit, Professional Dairy Managers of Pennsylvania and the Center for Dairy Excellence, February 2016
  • Presenter, Unmanned Aircraft for Agricultural Applications, 2016 Corn and Soybean Winter Conference Pennsylvania Soybean board, February 2016
  • Presenter, Unmanned Aircraft for Agricultural Applications, Centre Hall Businessmen and Farmer's Association, April 2016
  • , Unmanned Aircraft for Apple Orchards, Adams County Growers Association, October 2016
  • Presenter, 4H Livestock Camp, June 2015
  • Presenter, Unmanned Aircraft in Agriculture Workshop, PA Assoc. of Agricultural Educators, July 2015
  • Presenter, Unmanned Aircraft for Agricultural Applications, Keystone Crops and Soils Conference, October 2015
  • , International Society of Biomechanics, Scientific Committee, XXIII Congress, October 2010 - July 2011
  • , American Society of Biomechanics, Local Organizing Committee for ASB 2009, August 2008 - August 2009
  • Session ChairASB 2009, August 2008 - August 2008
  • Instructor, Exercise for Astronauts, Radio Park Elementary Kindergarten Class, July 2007 - July 2007
  • , International Society of Biomechanics Scientific Committee, XXI Congress, July 2007 - July 2007
  • Member, American Society of Mechanical Engineers (ASME), January 1980 - April 2006
  • Member, American Society of Biomechanics (ASB), January 1980 - April 2006
  • Member, International Society of Biomechanics (ISB), January 2000 - April 2006
  • Member, International Society of Biomechanics (ISB), January 2000
  • Member, American Society of Mechanical Engineers (ASME), January 1980
  • Member, American Society of Biomechanics (ASB), January 1980
 


 

About

The Department of Mechanical and Nuclear Engineering at Penn State is one of the nation’s largest and most successful engineering departments. We serve more than 1,000 undergraduate students and more than 330 graduate students

We offer B.S. degrees in mechanical engineering and nuclear engineering as well as resident (M.S., Ph.D.) and online (M.S., M.Eng.) graduate degrees in nuclear engineering and mechanical engineering. MNE's strength is in offering hands-on experience in highly relevant research areas, such as energy, homeland security, biomedical devices, and transportation systems.

Department of Mechanical and Nuclear Engineering

137 Reber Building

The Pennsylvania State University

University Park, PA 16802-4400

Phone: 814-865-2519