Towards a Shape Memory Alloy Based Variable Stiffness Ankle Foot Orthosis

............................................................................................................................ iii Acknowledgments ............................................................................................................ vi Table of

[1]  Mohammad Elahinia,et al.  An Automated Testing Assembly for Characterizing Stiffness of an Ankle Foot Orthosis , 2011 .

[2]  Development of a Testing Apparatus for Structural Stiffness Evaluation of Ankle-Foot Orthoses , 2001 .

[3]  T P Andriacchi,et al.  Walking speed as a basis for normal and abnormal gait measurements. , 1977, Journal of biomechanics.

[4]  Ivanka Veneva INTELLIGENT DEVICE FOR CONTROL OF ACTIVE ANKLE-FOOT ORTHOSIS , 2010 .

[5]  Toshiki Kobayashi,et al.  Techniques to measure rigidity of ankle-foot orthosis: a review. , 2011, Journal of rehabilitation research and development.

[6]  Simone Pittaccio,et al.  An EMG-Controlled SMA Device for the Rehabilitation of the Ankle Joint in Post-Acute Stroke , 2011, Journal of Materials Engineering and Performance.

[7]  Marcel Tresanchez,et al.  Measuring Gait Using a Ground Laser Range Sensor , 2009, Sensors.

[8]  Joseph M. Mansour,et al.  Design Changes in Ankle-Foot Orthosis Intended to Alter Stiffness Also Alter Orthosis Kinematics , 1999 .

[9]  M.B. Van Kuren,et al.  Design considerations for a wearable pediatric rehabilitative boot , 2005, 9th International Conference on Rehabilitation Robotics, 2005. ICORR 2005..

[10]  Ehsan Tarkesh Esfahani,et al.  Developing an Adaptive Controller for a Shape Memory Alloy Walking Assistive Device , 2010 .

[11]  Inderjit Chopra,et al.  Comparative Evaluation of Shape Memory Alloy Constitutive Models with Experimental Data , 2001 .

[12]  R. B. Davis,et al.  Gait characterization via dynamic joint stiffness , 1996 .

[13]  Johan A. K. Suykens,et al.  Bayesian Framework for Least-Squares Support Vector Machine Classifiers, Gaussian Processes, and Kernel Fisher Discriminant Analysis , 2002, Neural Computation.

[14]  Johan A. K. Suykens,et al.  Least Squares Support Vector Machine Classifiers , 1999, Neural Processing Letters.

[15]  Alfred D. Grant Gait Analysis: Normal and Pathological Function , 2010 .

[16]  Introduction to Observational Gait Analysis , 2009 .

[17]  J. Abrantes,et al.  Dynamic joint stiffness of the ankle during walking: gender-related differences. , 2008, Physical therapy in sport : official journal of the Association of Chartered Physiotherapists in Sports Medicine.

[18]  J. Perry,et al.  The influence of walking speed and footwear on plantar pressures in older adults. , 2004, Clinical biomechanics.

[19]  S. Gard,et al.  The human ankle during walking: implications for design of biomimetic ankle prostheses. , 2004, Journal of biomechanics.

[20]  Rawesak Tanawongsuwan,et al.  A Study of Human Gaits across Different Speeds , 2003 .

[21]  Mehdi Ahmadian,et al.  An enhanced SMA phenomenological model: II. The experimental study , 2005 .

[22]  Damin J. Siler,et al.  Variable stiffness mechanisms with SMA actuators , 1996, Smart Structures.

[23]  Victor Birman,et al.  Stiffness of Smart Composites with Shape Memory Alloy Fibers in the Presence of Matrix Cracks , 1999, Smart Structures.

[24]  I.P.I. Pappas,et al.  A reliable, gyroscope based gait phase detection sensor embedded in a shoe insole , 2002, Proceedings of IEEE Sensors.

[25]  P. Cappa,et al.  A continuous loading apparatus for measuring three-dimensional stiffness of ankle-foot orthoses. , 2005, Journal of biomechanical engineering.

[26]  Dimitris C. Lagoudas,et al.  Shape memory alloys, Part II: Modeling of polycrystals , 2006 .

[27]  C. Lexcellent,et al.  A general macroscopic description of the thermomechanical behavior of shape memory alloys , 1996 .

[28]  Joel E. Chestnutt,et al.  An actuator with physically variable stiffness for highly dynamic legged locomotion , 2004, IEEE International Conference on Robotics and Automation, 2004. Proceedings. ICRA '04. 2004.

[29]  Hugh Herr,et al.  Exoskeletons and orthoses: classification, design challenges and future directions , 2009, Journal of NeuroEngineering and Rehabilitation.

[30]  L. C. Brinson,et al.  Phase diagram based description of the hysteresis behavior of shape memory alloys , 1998 .

[31]  R. Kiss Comparison between kinematic and ground reaction force techniques for determining gait events during treadmill walking at different walking speeds. , 2010, Medical engineering & physics.

[32]  P. Convery,et al.  Test apparatus for the measurement of the flexibility of ankle-foot orthoses in planes other than the loaded plane , 1998, Prosthetics and orthotics international.

[33]  Anna Carla Turconi,et al.  Pilot Studies Suggesting New Applications of NiTi in Dynamic Orthoses for the Ankle Joint , 2010, Prosthetics and orthotics international.

[34]  Daniel P. Ferris,et al.  Mechanical performance of artificial pneumatic muscles to power an ankle-foot orthosis. , 2006, Journal of biomechanics.

[35]  Robert J. Wood,et al.  Applicability of Shape Memory Alloy Wire for an Active, Soft Orthotic , 2011, Journal of Materials Engineering and Performance.

[36]  L. Brinson,et al.  Shape memory alloys, Part I: General properties and modeling of single crystals , 2006 .

[37]  D. Winter Camera speeds for normal and pathological gait analyses , 2006, Medical and Biological Engineering and Computing.

[38]  J. Stewart,et al.  Foot drop: where, why and what to do? , 2008, Practical Neurology.

[39]  Ian David Loram,et al.  Direct measurement of human ankle stiffness during quiet standing: the intrinsic mechanical stiffness is insufficient for stability , 2002, The Journal of physiology.

[40]  R. Duane Ireland,et al.  Entrepreneurship: Successfully Launching New Ventures , 2005 .

[41]  P. Komi,et al.  Knee and ankle joint stiffness in sprint running. , 2002, Medicine and science in sports and exercise.

[42]  J. Gage An overview of normal walking. , 1990, Instructional course lectures.

[43]  Ehsan T. Esfahani,et al.  Developing an active ankle foot orthosis based on shape memory alloys , 2007 .

[44]  K. Kuo,et al.  Brace evaluation in children with diplegic cerebral palsy with a jump gait pattern. , 2009, The Journal of bone and joint surgery. American volume.

[45]  Michael Philen,et al.  On the applicability of fluidic flexible matrix composite variable impedance materials for prosthetic and orthotic devices , 2009 .

[46]  Mehdi Ahmadian,et al.  Application of the extended Kalman filter to control of a shape memory alloy arm , 2006 .

[47]  Thomas Sinkjær,et al.  Real Time Foot Drop Correction using Machine Learning and Natural Sensors , 2002, Neuromodulation : journal of the International Neuromodulation Society.

[48]  M. Berveiller,et al.  Structure Calculations Applied to Shape Memory Alloys , 1995 .

[49]  Chung-Huang Yu,et al.  Development of a Walking Robot for Testing Ankle Foot Orthosis-Robot Validation Test , 2009 .

[50]  H. Tobushi,et al.  Phenomenological analysis of plateaus on stress-strain hysteresis in TiNi shape memory alloy wires , 1996 .

[51]  K. Tanaka,et al.  A thermomechanical description of materials with internal variables in the process of phase transitions , 1982 .

[52]  Johan A. K. Suykens,et al.  Multiclass LS-SVMs: Moderated Outputs and Coding-Decoding Schemes , 2002, Neural Processing Letters.

[53]  Uğur Dal,et al.  The effect of hinged ankle-foot orthosis on gait and energy expenditure in spastic hemiplegic cerebral palsy , 2007, Disability and rehabilitation.

[54]  Robert Ilg,et al.  An efficient robotic tendon for gait assistance. , 2006, Journal of biomechanical engineering.

[55]  L Vodovnik,et al.  External power in proshetics and orthotics, an overview. , 1967, Artificial limbs.

[56]  Per Johan Slycke,et al.  Towards automatic optimization of gait supported by a two channel implantable drop foot stimulator , 2001 .

[57]  Mohammad Elahinia,et al.  Stiffness Control of a SMA Actuator , 2009 .

[58]  Mehdi Ahmadian,et al.  Nonlinear Stress-Based Control of a Rotary SMA-Actuated Manipulator , 2004 .

[59]  Sumiko Yamamoto,et al.  Kinematic effects on gait of a newly designed ankle-foot orthosis with oil damper resistance: a case series of 2 patients with hemiplegia. , 2005, Archives of physical medicine and rehabilitation.

[60]  Daniel P. Ferris,et al.  An ankle-foot orthosis powered by artificial pneumatic muscles. , 2005, Journal of applied biomechanics.

[61]  Steven J. Stanhope,et al.  Estimates of Stiffness for Ankle-Foot Orthoses Are Sensitive to Loading Conditions , 2010 .

[62]  Johan A. K. Suykens,et al.  Robust Cross-Validation Score Function for Non-linear Function Estimation , 2002, ICANN.

[63]  J. Higginson,et al.  Differences in gait parameters between healthy subjects and persons with moderate and severe knee osteoarthritis: a result of altered walking speed? , 2009, Clinical biomechanics.

[64]  M. Latash,et al.  Joint stiffness: Myth or reality? , 1993 .

[65]  Vladimir Vapnik,et al.  Statistical learning theory , 1998 .

[66]  I. Mizumoto,et al.  Shape Memory Alloy Actuator with Simple Adaptive Control , 2007, Second International Conference on Innovative Computing, Informatio and Control (ICICIC 2007).

[67]  Eugenio Dragoni,et al.  Modeling of Wire-on-Drum Shape Memory Actuators for Linear and Rotary Motion , 2011 .

[68]  J. Blaya Force-controllable ankle foot orthosis (AFO) to assist drop foot gait , 2002 .

[69]  Craig A. Rogers,et al.  One-Dimensional Thermomechanical Constitutive Relations for Shape Memory Materials , 1990 .

[70]  The modern ankle-foot orthoses (AFO's). , 1973, Bulletin of prosthetics research.

[71]  A. Upadhya,et al.  Micro-mechanical behaviors of SMA composite materials under hygro-thermo-elastic strain fields , 2008 .

[72]  Mehdi Ahmadian,et al.  An enhanced SMA phenomenological model: I. The shortcomings of the existing models , 2005 .

[73]  J B King,et al.  Gait Analysis. An Introduction , 1992 .

[74]  Tomaso A. Poggio,et al.  Regularization Networks and Support Vector Machines , 2000, Adv. Comput. Math..

[75]  D. Lagoudas Shape memory alloys : modeling and engineering applications , 2008 .

[76]  Hiroaki Hobara,et al.  Changes in muscle activity with increase in leg stiffness during hopping , 2007, Neuroscience Letters.

[77]  D. Kerrigan,et al.  Predicting peak kinematic and kinetic parameters from gait speed. , 2003, Gait & posture.

[78]  W. Theisen,et al.  Laser welding of NiTi wires , 2008 .

[79]  Anirban Misra,et al.  Influence of Walking Speed on Gait Parameters , 2013 .

[80]  Giorgio Grioli,et al.  VSA-II: a novel prototype of variable stiffness actuator for safe and performing robots interacting with humans , 2008, 2008 IEEE International Conference on Robotics and Automation.

[81]  Daniel P Ferris,et al.  Invariant ankle moment patterns when walking with and without a robotic ankle exoskeleton. , 2010, Journal of biomechanics.

[82]  David Zeltzer,et al.  A survey of glove-based input , 1994, IEEE Computer Graphics and Applications.

[83]  Franco Molteni,et al.  SHADE: A Shape-Memory-Activated Device Promoting Ankle Dorsiflexion , 2009, Journal of Materials Engineering and Performance.

[84]  Yongzhong Huo,et al.  A mathematical model for the hysteresis in shape memory alloys , 1989 .

[85]  M. Kuren Robotic Solutions in Pediatric Rehabilitation , 2007 .

[86]  M. Dolce,et al.  Mechanical behaviour of shape memory alloys for seismic applications 2. Austenite NiTi wires subjected to tension , 2001 .

[87]  S. Õunpuu,et al.  The effects of ankle-foot orthoses on the ankle and knee in persons with myelomeningocele: an evaluation using three-dimensional gait analysis. , 1999, Journal of pediatric orthopedics.

[88]  Dimitris C. Lagoudas,et al.  A 3-D constitutive model for shape memory alloys incorporating pseudoelasticity and detwinning of self-accommodated martensite , 2007 .

[89]  Aaron M. Dollar,et al.  Lower Extremity Exoskeletons and Active Orthoses: Challenges and State-of-the-Art , 2008, IEEE Transactions on Robotics.

[90]  J Harlaar,et al.  A new method for evaluating ankle foot orthosis characteristics: BRUCE. , 2009, Gait & posture.

[91]  J. Suykens,et al.  Recurrent least squares support vector machines , 2000 .

[92]  Mark Balzer,et al.  Effect of stress state on the stress-induced martensitic transformation in polycrystalline Ni-Ti alloy , 1996 .

[93]  Reginald DesRoches,et al.  CYCLIC PROPERTIES OF SUPERELASTIC SHAPE MEMORY ALLOY WIRES AND BARS , 2004 .

[94]  P Cappa,et al.  A novel device to evaluate the stiffness of ankle-foot orthosis devices. , 2003, Journal of biomechanical engineering.

[95]  D. Rosenbaum,et al.  Comprehensive testing of 10 different ankle braces. Evaluation of passive and rapidly induced stability in subjects with chronic ankle instability. , 2002, Clinical biomechanics.

[96]  Chongdu Cho,et al.  The Investigation of a Shape Memory Alloy Micro-Damper for MEMS Applications , 2007, Sensors.

[97]  Xiujie Gao,et al.  Phase diagram kinetics for shape memory alloys: a robust finite element implementation , 2007 .

[98]  Paola Catalfamo,et al.  Detection of gait events using an F-Scan in-shoe pressure measurement system. , 2008, Gait & posture.

[99]  K. M. Gill,et al.  Clinical gait assessment in the neurologically impaired. Reliability and meaningfulness. , 1984, Physical therapy.

[100]  R. Kiss Effect of walking speed and severity of hip osteoarthritis on gait variability. , 2010, Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology.

[101]  K. M. Liew,et al.  Meshfree modelling and characterisation of thermomechanical behaviour of NiTi alloys , 2005 .

[102]  Andrew H Hansen,et al.  Effect of ankle-foot orthosis on roll-over shape in adults with hemiplegia. , 2007, Journal of rehabilitation research and development.

[103]  Yasushi Akazawa,et al.  Design of a stiffness-adjustable ankle-foot orthosis and its effect on ankle joint kinematics in patients with stroke. , 2011, Gait & posture.

[104]  L. Brinson One-Dimensional Constitutive Behavior of Shape Memory Alloys: Thermomechanical Derivation with Non-Constant Material Functions and Redefined Martensite Internal Variable , 1993 .

[105]  Michael Lars Palmer,et al.  Sagittal plane characterization of normal human ankle function across a range of walking gait speeds , 2002 .

[106]  Joseph R Hsu,et al.  Can an ankle-foot orthosis change hearts and minds? , 2011, Journal of surgical orthopaedic advances.

[107]  H J Hermens,et al.  The effects of walking speed on forefoot, hindfoot and ankle joint motion. , 2010, Clinical biomechanics.

[108]  Reinald Brunner,et al.  Comparison of a dynamic and a hinged ankle-foot orthosis by gait analysis in patients with hemiplegic cerebral palsy. , 2002, Gait & posture.

[109]  C. Lexcellent,et al.  Micromechanical modelling of a CuAlNi shape memory alloy behaviour , 2004 .

[110]  Kent K. Wu. Williams,et al.  Foot Orthoses Principles and Clinical Applications , 1990 .

[111]  C. F. Vasconcelos,et al.  Active Orthosis for Ankle Articulation Pathologies , 2010 .

[112]  G. Lyons,et al.  The use of accelerometry to detect heel contact events for use as a sensor in FES assisted walking. , 2003, Medical engineering & physics.

[113]  V. M. Zatsiorsky,et al.  Biomechanical characteristics of human ankle-joint muscles , 2004, European Journal of Applied Physiology and Occupational Physiology.

[114]  Hugh M. Herr,et al.  Powered ankle-foot prosthesis to assist level-ground and stair-descent gaits , 2008, Neural Networks.

[115]  Thomas G Sugar,et al.  Design of a robotic gait trainer using spring over muscle actuators for ankle stroke rehabilitation. , 2005, Journal of biomechanical engineering.

[116]  J A Planell,et al.  Shape memory alloys for medical applications , 1998, Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine.

[117]  Majid Tabesh Finite element analysis of shape memory alloy biomedical devices , 2010 .

[118]  P. Crenna,et al.  Dynamics of the ankle joint analyzed through moment-angle loops during human walking: gender and age effects. , 2011, Human movement science.

[119]  D. Lagoudas,et al.  A thermodynamical constitutive model for shape memory materials. Part I. The monolithic shape memory alloy , 1996 .

[120]  K. Newell,et al.  Walking speed influences on gait cycle variability. , 2007, Gait & posture.

[121]  John B Holcomb,et al.  Amputations in U.S. Military Personnel in the Current Conflicts in Afghanistan and Iraq , 2008, Journal of orthopaedic trauma.