Conference Abstracts

• Lee D., Isaacs D., Birn-Jeffery A., Voloshina A. S., Zhao, G., Seyfarth A. and Daley M. A, Bipedal Walking of Birds, Humans, and Robots. Society for Integrative and Comparative Biology 2017, 57, E324-E324 SICB

• Ward, J. and Schroeder, K. and Vehon, D. and Holgate, R. and Grimmer, M. A microprocessor controlled ankle-foot prosthesis that supports fill powered running. American Orthotic & Prosthetic Association (AOPA), 2014.

• Mohammadinejad, A. and Sharbafi, M. A. and Rode, C. and Seyfarth, A. Role of Bi-articular muscles during swing phase of walking. Poster. Dynamic Walking, Pittsburg, USA, 2013.

• Sharbafi, M. A. and Nili Ahmadabadi, M. and Yazdanpanah, M. J. and Seyfarth, A. Novel leg adjustment approach for hopping and running. Poster. Dynamic Walking, Pittsburg, USA, 2013.
• Sharbafi, M. A. and Seyfarth, A. Human leg adjustment in perturbed hopping. 6th International Symposium on Adaptive Motion of Animals and Machines (AMAM2013) Darmstadt, Germany, 2013.

• Sharbafi, M. A. and Yazdanpanah, M. J. and Nili Ahmadabadi, M. and Maufroy, C. and Seyfarth, A. Switching from hopping to running with HZD controller. Poster. Dynamic Walking, Pensacola, USA, 2012.

• Grimmer, M. and Seyfarth, A. Design of a Series Elastic Actuator driven knee prosthesis: The trade-off between energy and peak power optimization. Poster. Dynamic Walking, Jena, 2011.poster_dw2011.pdf

• Grimmer, M. and Seyfarth, A. Design of a Series Elastic Actuator driven ankle prosthesis: The trade-off between energy and peak power optimization. Poster. Dynamic Walking, Boston, 2010. poster_dw2010.pdf

• Seyfarth A. The Bounce in Your Step - Designing Biomechanical Leg Models of Increasing Complexity, 6th World Congress of Biomechanics, Aug 1-8, Singapore, 2010.

• Seyfarth A. Stable walking and running: how leg geometry and compliance shapes the way we move, Dynamic Walking, July 8 - 11, Cambridge, Massachusetts, 2010.

• Grimmer M, Seyfarth A. Design of a Series Elastic Actuator driven ankle prosthesis: The trade-off between energy and peak power optimization, Dynamic Walking, July 8 - 11, Cambridge, Massachusetts, 2010.

• Maufroy C, Maus HM, Seyfarth A. Leg damping relaxes the constraints on postural stabilization in human-like compliant walking, Dynamic Walking, July 8 - 11, Cambridge, Massachusetts, 2010.

• Maykranz D, Grimmer S, Maus HM, Seyfarth A. Can energetic leg function be characterized with work-loops? Annual Main Meeting of the Society for Experimental Biology 2010, June 30 - July 3, Prague, Czech Republic, 2010.

• Gross M. Strategies of three legged locomotion, Annual Main Meeting of the Society for Experimental Biology 2010, June 30 - July 3, Prague, Czech Republic, 2010.

• Lipfert SW, Günther M, Grimmer S, Seyfarth A. Leg swing powered by the ankle joint in human walking, Annual Main Meeting of the Society for Experimental Biology 2010, June 30 - July 3, Prague, Czech Republic, 2010.

• Blum Y, Birn-Jeffery A, Daley MA, Seyfarth A. Does a Crouched Leg Posture Enhance Running Stability?, 16th US National Congress of Theoretical and Applied Mechanics (USNCTAM) , June 27 - July 2, State College, Pennsylvania, 2010. Paper number: USNCTAM2010-773.

• Rummel J, Seyfarth A. Walking with compliant legs: Robustness or Efficiency, 16th US National Congress of Theoretical and Applied Mechanics (USNCTAM) , June 27 - July 2, State College, Pennsylvania, 2010. Paper number: USNCTAM2010-857.

• Renjewski D, Seyfarth A. How come a moving biped does not fall - the challenge to apply theoretical stability concepts, 16th US National Congress of Theoretical and Applied Mechanics (USNCTAM) , June 27 - July 2, State College, Pennsylvania, 2010. Paper number: USNCTAM2010-947

• Grimmer, M. and Seyfarth, A. Biarticular structures to strengthen the push-off in lower leg prosthesis. Abstract and Poster. Dynamic Walking, Vancouver, 2009. abstract_dw2009.pdf
• Grimmer, M. and Seyfarth, A. Gelenkkopplung zur Verstärkung des Fußabdrucks bei Unterschenkelprothesen. Poster. 6. Jahrestagung der Deutschen Gesellschaft für Biomechanik, Münster, 2009.  
• Blum Y, Lipfert SW, Seyfarth A. Stiffness Estimation in Human Running, XXII Congress of the International Society of Biomechanics, July 05-09, Cape Town, South Africa, 2009.

• Häufle D, Kalveram KT, Seyfarth A. Technical prove that muscle properties can help to stabilize hopping gaits, XXII Congress of the International Society of Biomechanics, July 05-09, Cape Town, South Africa, 2009.

• Lipfert SW, Günther M, Grimmer S, Seyfarth A. Underlying mechanisms of observed segment kinematics in human gait, XXII Congress of the International Society of Biomechanics, July 05-09, Cape Town, South Africa, 2009.

• Maus M, Rummel J, Lipfert SW, Seyfarth A. Stabilizing the Trunk in Human Walking, XXII Congress of the International Society of Biomechanics, July 05-09, Cape Town, South Africa, 2009.

• Schaarschmidt M, Lipfert SW, Seyfarth A. Compensation-Strategies in Unilateral Transfemoral Amputee Walking, XXII Congress of the International Society of Biomechanics, July 05-09, Cape Town, South Africa, 2009.

• Blum Y, Lipfert SW, Seyfarth A. Leg Parameter Adaptation for Stable Running, Annual Main Meeting of the Society for Experimental Biology 2009, June 28 - July 01, Glasgow, Scotland, 2009.

• Gross M, Rummel J. Swing-leg strategies for stable dog trotting, Annual Main Meeting of the Society for Experimental Biology 2009, June 28 - July 01, Glasgow, Scotland, 2009.

• Lipfert SW, Seyfarth A. Kinematic variability for dynamic stability in human gait, Annual Main Meeting of the Society for Experimental Biology 2009, June 28 - July 01, Glasgow, Scotland, 2009.

• Blum Y, Lipfert SW, Seyfarth A. Can Impacts Be Avoided in Stable Running?, Dynamic Walking 2009, June 06-11, Vancouver, Canada, 2009.

• Gross M, Rummel J, Seyfarth A. How to achieve stable trotting?, Dynamic Walking 2009, June 06-11, Vancouver, Canada, 2009.

• Maus M, Rummel J, Lipfert SW, Seyfarth A. Postural Stability in Human Walking, Dynamic Walking 2009, June 06-11, Vancouver, Canada, 2009.

• Häufle D, Seyfarth A. Technische Imitation von Muskeleigenschaften ermöglicht Stabilisierung des Hüpfens, Jahrestagung der Deutschen Gesellschaft für Biomechanik 2009, May 14-16, Münster, Germany, 2009.

• Maus M, Rummel J, Lipfert SW, Seyfarth A. Über den aufrechten Gang des Menschen, Jahrestagung der Deutschen Gesellschaft für Biomechanik 2009, May 14-16, Münster, Germany, 2009.

• Häufle D. How hopping performance is affected by temporal and spatial discretization of muscle activation, Symposium on Recent Advances in Neuro-Robotics: Sensorimotor Control, July 20-22, Freiburg, Germany, 2008.

• Blum Y. Movement control by leg parameter adaptation, Symposium on Recent Advances in Neuro-Robotics: Sensorimotor Control, July 20-22, Freiburg, Germany, 2008.

• Häufle D. Stabilizing periodic hopping with Reflexes, Dynamic Walking 2008, May 26-29, Delft, Netherlands, 2008.

• Rummel J, Seyfarth A. Enlarging regions of stable running with segmented legs, Dynamic Walking 2008, May 26-29, Delft, Netherlands, 2008.

• Kalveram KT. Cascaded Compliance in a Marco Hopping Robot, Dynamic Walking 2008, May 26-29, Delft, Netherlands, 2008.

• Rummel J. Running with Segmented Legs, Dynamic Walking 2008, May 26-29, Delft, Netherlands, 2008.

• Jensen D. Elastic Mechanism for Two-Legged Locomotion, Dynamic Walking 2008, May 26-29, Delft, Netherlands, 2008.

• Blum Y. Advanced Swing Leg Control for Stable Locomotion, Dynamic Walking 2008, May 26-29, Delft, Netherlands, 2008.

• Renjewski D. Design levels for advanced biped walking machines, Dynamic Walking 2008, May 26-29, Delft, Netherlands, 2008.

• Seyfarth A, Gratz C. Comparison of prosthetic knees during walking, XXIth Congress of the International Society of Biomechanics, July 1-5, Taipei, Taiwan, 2007, In: Journal of Biomechanics 40 (Suppl. 2), S474, 2007.

• Lipfert S, Seyfarth A. Elastic legs in walking, XXIth Congress of the International Society of Biomechanics, July 1-5, Taipei, Taiwan, 2007, In: Journal of Biomechanics 40 (Suppl. 2), S385, 2007.

• Rummel J, Seyfarth A. Self-stable running with segmented legs, XXIth Congress of the International Society of Biomechanics, July 1-5, Taipei, Taiwan, 2007, In: Journal of Biomechanics 40 (Suppl. 2), S384, 2007.

• Rummel J, Lipfert S, Seyfarth A. Knee joint stiffness for self-stable running, XXIth Congress of the International Society of Biomechanics, July 1-5, Taipei, Taiwan, 2007, In: Journal of Biomechanics 40 (Suppl. 2), S590, 2007.

• Smith JA, Seyfarth A. Elastic leg function in a bipedal walking robot, XXIth Congress of the International Society of Biomechanics, July 1-5, Taipei, Taiwan, 2007, In: Journal of Biomechanics 40 (Suppl. 2), S306, 2007.

• Lipfert S, Seyfarth A. Do walking and running rely on a similar mechanism? European Workshop On Movement Science, May 31 - June 2, Amsterdam, The Netherlands, 2007.

• Iida F, Pfeifer R, Seyfarth A. Morphological Computation in Robot Behavior Control. International Conference on Morphological Computation, Venice, Italy, 2007.

• Seyfarth A, Iida F, Rummel J, Geyer H. Leg design for stable walking and running. Vth World Congress of Biomechanics, Munich, Germany, In: Journal of Biomechanics 39 (Suppl. 1), 114, 2006.

• Lipfert S, Dittrich E, Seyfarth A. A strategy for walk-run transitions at constant speeds. Vth World Congress of Biomechanics, Munich, Germany, In: Journal of Biomechanics 39 (Suppl. 1), 509, 2006.

Geyer H, Seyfarth A. Walking and running dynamics explained by compliant legs: consequences, general insights, and future directions. Vth World Congress of Biomechanics, Munich, Germany, In: Journal of Biomechanics 39 (Suppl. 1), 361, 2006.

• Dittrich E, Lipfert S, Geyer H, Seyfarth A. Gait transition as natural response of the mechanical system. Vth World Congress of Biomechanics, Munich, Germany, In: Journal of Biomechanics 39 (Suppl. 1), 109, 2006.

• Rummel J, Iida F, Dittrich E, Seyfarth A. Adaptive mechanics: compliant legged locomotion, 50th Anniversary Summit of Artificial Intelligence, July 9-15, Ascona, Switzerland, 2006.

• Seyfarth A, Karguth A, Iida F. JenaWalker II – A robotic platform for investigating human walking and running. Dynamic Walking, Ann Arbor, Michigan, USA, 2006.

• Lipfert S, Blum Y, Seyfarth A. Estimation of leg stiffness in human locomotion. Dynamic Walking, Ann Arbor, Michigan, USA, 2006.

• Seyfarth A, Lipfert S. Knee flexion in human walking. 3rd international symposium on Adaptive Motion in Animals and Machines, Ilmenau, Germany, 2005.

• Geyer H, Seyfarth A, Blickhan R. Should humanoids really walk on rigid legs? 3rd international symposium on Adaptive Motion in Animals and Machines, Ilmenau, Germany, 2005.

• Iida F, Minekawa Y, Rummel J, Seyfarth A. Toward a human like walking robot with compliant legs. 3rd international symposium on Adaptive Motion in Animals and Machines, Ilmenau, Germany, 2005.

• Rummel J, Seyfarth A, Iida F. Adjustment of mass and stiffness in a two-segmented leg. 3rd international symposium on Adaptive Motion in Animals and Machines, Ilmenau, Germany, 2005.

• Seyfarth A. Emergence of gait in legged systems. XXth congress of the International Society of Biomechanics, Cleveland, Ohio, USA, 2005.

• Geyer H, Seyfarth A, Blickhan R. The spring-mass model for walking. XXth congress of the International Society of Biomechanics, Cleveland, Ohio, USA, 2005.

• Lipfert S, Seyfarth A, Blickhan R. Leg stiffness in walking and running. XXth congress of the International Society of Biomechanics, Cleveland, Ohio, USA, 2005.

• Seyfarth A, Lipfert S, Rummel J. Hip control in locomotion. XXth congress of the International Society of Biomechanics, Cleveland, Ohio, USA, 2005.

• Seyfarth A, Lipfert S. Walking and running on place. XXth congress of the International Society of Biomechanics, Cleveland, Ohio, USA, 2005.

• Rummel J, Seyfarth A, Iida F. Stable locomotion of feedforward controlled one-legged robot, XXth congress of the International Society of Biomechanics, Cleveland, Ohio, USA, 2005.

• Seyfarth A, Rummel J, Guenther M, Geyer H. Segment orientation and direction of locomotion, Annual main meeting of the Society for Experimental Biology, Barcelona, Spain, 2005.

• Lipfert S, Michel J, Geyer H, Seyfarth A. Analysis of walking and running in place. Annual main meeting of the Society for Experimental Biology, Barcelona, Spain, 2005.

• Seyfarth A, Geyer H, Dietz V. Is stability driving gait transitions? 14th conference of the European Society of Biomechanics, Hertogenbosch, Netherlands, 2004.

• Geyer H, Seyfarth A, Dietz V. May smoothness drive gait transitions? 14th conference of the European Society of Biomechanics, Hertogenbosch, Netherlands, 2004.

• Knuesel HK, Seyfarth A, Stuessi E. Influence of swing leg movement on stability of running. 14th conference of the European Society of Biomechanics, Hertogenbosch, Netherlands, 2004.

• Geyer H, Seyfarth A, Blickhan R. From running to walking. XIXth congress of the International Society of Biomechanics, Dunedin, New Zealand, 2003.

• Seyfarth A, Geyer H, Dietz V. The use of leg retraction in obstacle avoidance. XIXth congress of the International Society of Biomechanics, Dunedin, New Zealand, 2003.

• Geyer H, Seyfarth A, Blickhan R, Herr H. Local feedback mechanisms for stable bouncing. IVth World Congress of Biomechanics, Calgary, Canada, 2002.

• Geyer H, Seyfarth A, Blickhan R. Proprioceptive feedback in running. XVIIIth congress of the International Society of Biomechanics, Zurich, Switzerland, 2001.

• Blickhan R, Meier P, Seyfarth A, Wagner H. Properties of the muscle tendon unit and system dynamics. Annual Meeting of the Society for Experimental Biology, 2000.

• Karner M, Wagner H, Seyfarth A, Full RJ, Blickhan R. Perturbing single legs of running cockroaches (Biaberus discoidalis (Serville)). Zoology 102 (2), Proceeding of the 92. Annual Meeting Innsbruck, 1999.