Roger
V. Gonzalez, Ph.D., P.E.
LeTourneau
University
Professor,
Mechanical & Biomedical Engineering
Director, Biomedical
Engineering
Director and Founder, LEGS (LeTourneau
Engineering Global Solutions)

University of Delaware
Adjunct Professor
Mechanical Engineering
Phone: (903) 233-3906
Fax: (903) 233-3901
E-Mail: RogerGonzalez@letu.edu
Office:
Hunt,
B.V., Ramsay, J., and Gonzalez, R.V. (2006) Index of potential maximum
moment contributions of Elbow and wrist muscles. (In preparation) Shull, J, Lopez, J, Gonzalez,
R.V. (2006) Real-time EMG- and Haptic- Teleoperated Robotic System for
Motor Control Analysis Journal of
Neuroscience Methods, 151(2):194-9. Rask, M.R, Barr, R.E., and
Gonzalez, R.V. (2004)
Genetically-Designed Neural Networks for Error Reduction in an Optimized
Biomechanical Model of the Human Elbow Joint Complex. Computer Methods in Biomechanics and
Biomedical Engineering, 7(1), pp. 43-50. Manal, K., Gonzalez,
R.V., Lloyd, D.G., and Buchanan, T.S. A real-time EMG-Driven virtual arm.
(2002) Computers in Biology and Medicine 32: 25-36. Nieuwenhuis M.K., Gonzalez
R.V., van der Net J., Kuis W., Beek F.J.A., Buchanan T.S., Helders P.J.M.
(2001) The role of the forearm muscles related to wrist malalignment in
juvenile chronic arthritis. Advances of Physiotherapy Vol. 3(3), pp.
108-19. Gonzalez, R.V., Abraham, L.D., Barr, R.E., and Buchanan, T.S. (1999) Muscle
activity in rapid multi-degree-of-freedom elbow movements: solutions from a
musculoskeletal model. J. of Biol. Cybernetics Vol. 80(5), pp. 357-67. Gonzalez, R.V., Buchanan, T.S., and Delp, S.L. (1997) Interplay of muscle moment
arms and architecture in the human wrist. J.
Biomechanics Vol. 30(7), pp. 705-12. Lester, W.T., Gonzalez, R.V., Fernández, B., and
Barr, R.E. (1997) A neural network approach to electromyographic signal
processing for a motor control task. ASME
J. Dynamic Systems, Measurement, and Control Vol. 119. Gonzalez, R.V., Hutchins, E.L., Barr, R.E., and Abraham, L.D. (1996) Development
and evaluation of a musculoskeletal model of the elbow Hutchins, E.L., Gonzalez, R.V., and Barr, R.E. (1993) Comparison of experimental and analytical torque-angle relationships of the human elbow joint complex. Biomed Sci Instrum.;29:17-24. Gonzalez, R.V., Andritsos, M.J., Barr, R.E., and Abraham, L.D. (1993) Comparison of
Experimental and Predicted Activation Patterns in Ballistic Elbow Joint
Movements. Biomed Sci
Instrum. 29:9-16. Peer-Reviewed Conference Proceedings Green, N., and Gonzalez, R.V. (2007) A novel elastic foundation contact
diction algorithm for use in a six degree of freedom knee model, American
Society of Biomechanics Annual Conference, Stanford, CA, Aug, 2007. Ramsay, J., and Gonzalez,
R.V. (2007) Effect of wrist and forearm architecture on wrist
radial-ulnar deviation and forearm pronation-supination moment, American
Society of Biomechanics Annual Conference, Stanford, CA, Aug, 2007. Gonzalez, R.V., Rispin, K.L., Moran, M.K.,
and Ayers, S.R., and (2007) An R&D strategy to offer a high-quality and
low-cost above knee prosthesis in the developing world. 12th World
Congress of the Int Soc for P&O, Vaughan, M., Ayers, S.R., and Gonzalez, R.V. (2007)
Roll-over shape assessment of prosthetic feet for developing nations, 12th
World Congress of the International Society of Prosthetics and Orthotics,
Vancouver, Canada, July 2007 Ayers, S.R., Gonzalez, R.V.,
and Palmer, J.D (2007) Development
of a low-cost polycentric knee for trans-femoral amputees in developing
nations. 12th World Congress of the Int Soc for P&O, Wisher. M., and Gonzalez,
R.V. (2007) Isometric and isokinetic moments in wrist radial-ulnar
deviation and forearm pronation-supination. 24th Annual
Bowen, J. and Gonzalez,
R.V. (2007) A device designed to simulate knee motion with ground
reaction forces. 24th Annual Lopez, J., Field, D., Cronk, S., and Gonzalez, R.V. (2007) Feedback systems optimization to improve
user learning and adaptation in a haptic task. 24th Ann
Houston Conf on Biomed Engineering Research, Field, D., Lopez, J., and Gonzalez,
R.V. (2007) Complexity interference during learning and adaptation in a
haptic task. 24th Annual
Green, N., and Gonzalez,
R.V. (2007) Dynamic contact pressure computation in the tibio-femoral joint. 24th Annual
Ayers, S.R., Fulginiti, Green, M.G., Hellmuth, T., Leiffer, P.R., Gonzalez, R.V., and Ayers, S.V. (2007) Effectively implementing an interdisciplinary senior design
experience: A case study and conclusions. ASEE
Annual Conference, Gonzalez, R.V., Ayers, S., and Rispin, K. (2006)
Development of a low-cost, easily manufactured knee technology with improved
functionality outcomes for trans-femoral amputees in developing nations. Lopez, J.M. and Gonzalez, R.V.
(2006) Human adaptation in a simple bilateral task during simultaneous use of
disparate control systems. Biomedical Engineering Society Annual
Meeting, Gonzalez, R.V. and Kobliska, J.A. (2006) A light-weight
device to measure upper-extremity kinematics. J of Biomechanics (39 / S1) S75; 5th
World Congress of Biomechanics, Gonzalez, R.V., Ayers, S., Gonzalez, R.V., and
Minelga, E (2006) Development of a low-cost, easily manufactured knee
technology with improved functionality outcomes for trans-femoral amputees in
developing nations. J of Biomechanics (39
/ S1) S500;5th World
Congress of Biomechanics,
Leiffer, P.R., Gonzalez, R.V., and Hellmuth, T. (2006) Interdisciplinary design
teams – lessons learned by experience. ASEE Annual Conference, Kobliska, J.A., Nielson,
J.O., and Gonzalez, R.V. (2006) Direct measurement of upper-extremity
kinematics via a lightweight device. 23rd Annual
Shull, P.B. and Gonzalez, R.V. (2005) Bimanual motor
control: biological and robotic system learning via simultaneous movement
requirements. 20th Congress
of the International Society of Biomechanics, Green, M.G., Gonzalez,
R.V., Wood, K.L., (2005) “Engineering Research Applied to Third
World Needs: Case Studies of Applied and Fundamental Work,” Contributed
Talk, 60th Annual American Scientific
Affiliation Conference, Leiffer, P.R., Graff, R.W., and Gonzalez, R.V. (2005) Five Curriculum
Tools to Enhance Interdisciplinary Teamwork. ASEE Annual Conference, Shull, P.B., and Gonzalez,
R.V. (2005) A haptic robotic assessment device to study human
learning and adaptation. 22nd Annual Hunt, B.V. and Gonzalez, R.V. (2004) Using musculoskeletal properties to develop a
“normalized potential moment contribution index” for individual
arm muscles. ASME National Congress, Gonzalez, R.V., Leiffer, P.R., and Lopez, J. (2004) Is a successful research
laboratory possible with under-graduates alone? ASEE Annual Conference, Leiffer, P.R., and Gonzalez, R.V. (2004) Development of
a BSE concentration in Biomedical Engineering. ASEE Annual Conference, Hunt, B.V. and Gonzalez,
R.V. (2004) Moment arm verification
of a computational musculoskeletal arm model. 21st Annual Plymale,
S. and Gonzalez, R.V. (2004) Fuzzy
control of an intelligent prosthetic arm at the elbow Webb,
J.D. and Gonzalez, R.V. (2003)
A Three Dimensional Forward Dynamic Model of a Human Knee for Determining
Ligament Forces. ASME National Congress, Gardinier,
J., and Gonzalez, R.V. (2003)
Pronation-Supination Moment Arms in the Human Forearm. ASME Summer Bioengng Conf, Key Kirkendall,
A.L., Lopez, J.M., and Gonzalez, R.V. (2002)
A kinematic analysis of an ACL deficient knee. ASME National Congress,
Gonzalez, R.V. and Leiffer, P.R. (2002) Undergraduate education-research with biomedical
engineering laboratories. ASEE Annual
Conference, Leiffer, P.R., and Gonzalez, R.V. (2002) Development of
modules and labs for “Biomedical engineering across the
curriculum.” ASEE Annual
Conference, Gonzalez, R.V. (2001) BME Undergraduate design projects using various engineering ma Buchanan TS, Manal K, Shen
X, Lloyd DG, and Gonzalez RV (2000): The virtual arm: estimating Rask, J.M.R., Gonzalez, R.V., and Buchanan, T.S.
(1999) Servo-motor control of human arm kinematics in virtual reality
modeling. ASME Summer Bioengng Conf,
Big Sky, MT, June, 1999. Buchanan TS, Cheng J-Y,
Shen X, Gonzalez RV, and Manal K
(1999) The virtual arm: a biologically-driven musculoskeletal model of the
upper extremity. ASME Summer Bioengng
Conf. Big Sky, MT, June, 1999. Gonzalez, R.V. (1999) Active learning: using students within the lecture process. Gonzalez, R.V., and Peterson, E. (1999) Biomedical research projects in senior
design. Gonzalez, R.V., Barr, R.E., and Abraham, L.D. (1998) A method for driving a dynamic
musculoskeletal model using processed electromyographic data. 17th Southern Biomedical Engrg
Conf, Gonzalez, R.V., and Lee, C. (1998) Smart material as artificial muscles: A
quantitative performance study of polyacrylonitrile fibers. 17th Southern Biomedical Engrg
Conf, Gonzalez, R.V., and Thielman, J.L. (1998) Development of a physical model of the
human elbow joint using polyacrylonitrile fibers. SPIE’s 5th Intl Symp on Smart Structures and Mats, Gonzalez, R.V., and Lee, C. (1998) A quantitative force comparison of
polyacrylonitrile fibers with skeletal muscle. SPIE’s 5th Intl Symp on Smart Structures and Mats, Besier, T.F., Lloyd, D.G.,
Buchanan, T.S., and Gonzalez, R.V.
(1998) Development of an EMG-driven musculoskeletal model to estimate human
joint moments. Proc. 2nd Australian
Biomechanics Conference, Nieuwenhuis MK, Gonzalez
RV, van der Net J, Kuis W, Buchanan TS, Helders
PJM. (1997) Role of the forearm muscles related to wrist malalignment in
juvenile chronic arthritis. Proceedings Pediatric Physiotherapy, 72-73. Gonzalez, R., Bock H., Collison G., Lee C., Smokowicz C., Thielman J. (1997)
Artificial muscles across the human elbow: A performance study of
polyacrylonitrile fibers. American
Society of Biomechanics, Buchanan, T.S., Lloyd,
D.G., Besier, T., and Gonzalez, R.V.
(1997) Development of EMG-driven musculoskeletal models for estimation of
human joint moments. Int Soc Biomech, 16:330, 1997. Lloyd, D.G., Gonzalez, R.V., and Buchanan, T.S.
(1996) A general EMG-driven musculoskeletal model for prediction of human
joint moments. Australian Conf of
Science and Medicine in Sport, Buchanan, T.S., Gonzalez, R.V., and Lloyd, D.G.
(1996) Development of EMG-driven musculoskeletal models for estimation of
human joint torques. Proc IEEE Engng Med Biol 18, 1996. Gonzalez, R.V., Nieuwenhuis, M.K., Helders, P.J.M., and
Buchanan, T.S. (1996) Estimated effects of carpal malalignment in juvenile
rheumatoid arthritis on wrist joint moments. American Society of Biomechanics, Gonzalez, R.V., Abraham, L.D., Barr, R.E., and Buchanan, T.S. (1995) Muscle
coordination in elbow joint complex movements. American Society of Biomechanics, Gonzalez, R.V., Delp, S.L., Grierson, A.E., and Buchanan, T.S. (1995) Interplay of
musculoskeletal geometry and muscle architecture in the human wrist. American Society of Biomechanics, Roberson, D.J., Barr,
R.E., and Gonzalez, R.V. (1994)
Preconditioning electromyographic data for an upper extremity model using
neural networks. Proc. of the 1994 IEEE
Inter. Conf. on Sys., Man, and Cyber., San Antonio, TX, Oct. 1994. pp.
969-974 Gonzalez, R.V., Barr, R.E., and Abraham, L.D. (1994) A musculoskeletal model of the
elbow joint complex. ASME Winter Annual
Mtg , Lester, W.T., Fernández,
B., Gonzalez, R.V., and Barr, R.E.
(1994) A neural network approach to electromyographic signal processing for a
motor control task. ASME American Control Conference, Gonzalez, R.V., Micallef, D.M., Barr, R.E., and Abraham, L.D. (1991) Prediction of
muscle force patterns in elbow flexion / extension using mathematical
modeling and electromyography. Proc. of
the 10th Southern Biomedical Wood, S.M., Barr, R.E.,
Abraham, L.D., and Gonzalez, R.V.
(1990) Computer graphics modeling of the musculoskeletal system of the human
arm. Proc. of the 12th Ann. Conf. of
the IEEE Engineering in Med. and Biol. Soc., Philadelphia, PA, November 1990. Undergraduate
& Advisor Conference Presentations and Posters Gonzalez, R.V.
and Kobliska, J.A. (2006) A light-weight device to measure upper-extremity
kinematics. ASME Student Regional Conference, Minelga,
E., and Gonzalez, R.V. (2005)
Prosthesis design for developing nations. ASME Student Regional
Conference, Plymale,
S., and Gonzalez, R.V. (2004)
An EMG-Driven Fuzzy Logic Controller of a Mechanical Arm. ASME National
Congress, Plymale,
S., and Gonzalez, R.V. (2004)
An EMG-Driven Fuzzy Logic Controller of a Mechanical Arm. ASME Student
Regional Conference, Matthews,
M., and Gonzalez, R.V. (2004)
Neuromuscular Adaptation of Human Arm Movements. ASME Student Regional
Conference, Bassett,
D., and Gonzalez, R.V. (2003)
Robotic Validation of a Computational Knee Model. ASME National Congress, Bassett,
D., and Gonzalez, R.V. (2003)
Robotic Validation of a Computational Knee Model. ASME Student Regional
Conference, Lockhart,
D., Downing, E., and Gonzalez, R.V. (2003)
Three Dimensional Model for Determining Ligament
Forces. ASME Student Regional Conference, Webb,
J., Cooper, J., and Gonzalez, R.V. (2003)
Utilizing Robotic Manipulation in Cadaver Biomechanical Research. ASME
Student Regional Conference, Kirkendall,
A.L., and Gonzalez, R.V. (2002)
A kinematic analysis of an ACL deficient knee. ASME Student Regional
Conference, Lopez,
J.M., Kirkendall, A.L., and Gonzalez, R.V. (2002)
A kinematic analysis of an ACL deficient knee. ASME Student Regional
Conference, Slager, J, and Gonzalez,
R.V. (2001) Next Generation Prosthetic. ASME National Congress, Slager, J, and Gonzalez,
R.V. (2001) Next Generation Prosthetic. ASME Student Regional Conference, Jeffers, J., and Gonzalez,
R.V. (2001) Analysis of Muscular Activation in the Human Arm During
Static and Dynamic Exertion. ASME
Student Regional Conference, Hvass, P, and Gonzalez,
R.V. (2000) The intelligent prosthetic arm. ASME National Congress, Hvass, P, and Gonzalez,
R.V. (2000) The intelligent prosthetic arm. ASME Student Regional Conference, Brodine, M, and Gonzalez,
R.V. (2000) Modeling neuromuscular control in a pneumatic prosthetic
limb. ASME Student Regional Conference,
Trammell, M, and Gonzalez,
R.V. (2000) Analysis of Pneumatic Muscles for Prosthetic Limb Movement. ASME Student Regional Conference, Rask, M. and Gonzalez, R.V. (1999) The virtual
human arm. ASME National Congress, Rask, M. and Gonzalez, R.V. (1999) The virtual
human arm. ASME Student Regional
Conference, Edmunds, J. and Gonzalez, R.V. (1999) The virtual
human arm: optimal control’s role in determining muscle parameters. ASME Student Regional Conference, Mondy, A. and Gonzalez, R.V. (1999) Servo-motor
control of human arm kinematics in virtual reality modeling. ASME Student Regional Conference, Culver, A. and Gonzalez, R.V. (1998) Mechanical
characterization of polyacrylonitrile fibers: comparison with human muscle
performance. ASME Student Regional
Conference, Morrison, Thielman, J. and Gonzalez, R.V. (1997) Physical model
of human elbow joint using PAN fiber artificial muscles. ASME Student Regional Conference, Lee, C. and Gonzalez, R.V. (1997) Artificial
muscles across the human elbow. ASME
Student Regional Conference, |
|
· Post-Doctoral Fellow: Depts of Physiology and Rehabilitation Medicine, Northwestern University Medical School ·
Post-Doctoral
Fellow: Sensory Motor Performance Program,
Rehabilitation Institute of ·
Ph.D.
in Mechanical Engineering:
December, 1994 ·
M.S. in
Engineering (Biomedical):
December, 1990 ·
Manufacturing
Engineering-Management Professional Corporate Program: June, 1988 ·
B.S. in
Mechanical Engineering: May,
1986
|
|
Registered Professional Engineer in the State of ·
Professor in
Biomedical and Mechanical Engineering, 8/05 – Present ·
Associate
Professor in Mechanical
Engineering, 8/01 – 7/05 · |