331 resources related to Orthotics
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The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted papers will be peer reviewed. Accepted high quality papers will be presented in oral and postersessions, will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE
The CDC is the premier conference dedicated to the advancement of the theory and practice of systems and control. The CDC annually brings together an international community of researchers and practitioners in the field of automatic control to discuss new research results, perspectives on future developments, and innovative applications relevant to decision making, automatic control, and related areas.
The International Conference on Robotics and Automation (ICRA) is the IEEE Robotics and Automation Society’s biggest conference and one of the leading international forums for robotics researchers to present their work.
The 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2020) will be held in Metro Toronto Convention Centre (MTCC), Toronto, Ontario, Canada. SMC 2020 is the flagship conference of the IEEE Systems, Man, and Cybernetics Society. It provides an international forum for researchers and practitioners to report most recent innovations and developments, summarize state-of-the-art, and exchange ideas and advances in all aspects of systems science and engineering, human machine systems, and cybernetics. Advances in these fields have increasing importance in the creation of intelligent environments involving technologies interacting with humans to provide an enriching experience and thereby improve quality of life. Papers related to the conference theme are solicited, including theories, methodologies, and emerging applications. Contributions to theory and practice, including but not limited to the following technical areas, are invited.
The scope of the 2020 IEEE/ASME AIM includes the following topics: Actuators, Automotive Systems, Bioengineering, Data Storage Systems, Electronic Packaging, Fault Diagnosis, Human-Machine Interfaces, Industry Applications, Information Technology, Intelligent Systems, Machine Vision, Manufacturing, Micro-Electro-Mechanical Systems, Micro/Nano Technology, Modeling and Design, System Identification and Adaptive Control, Motion Control, Vibration and Noise Control, Neural and Fuzzy Control, Opto-Electronic Systems, Optomechatronics, Prototyping, Real-Time and Hardware-in-the-Loop Simulation, Robotics, Sensors, System Integration, Transportation Systems, Smart Materials and Structures, Energy Harvesting and other frontier fields.
The IEEE Transactions on Automation Sciences and Engineering (T-ASE) publishes fundamental papers on Automation, emphasizing scientific results that advance efficiency, quality, productivity, and reliability. T-ASE encourages interdisciplinary approaches from computer science, control systems, electrical engineering, mathematics, mechanical engineering, operations research, and other fields. We welcome results relevant to industries such as agriculture, biotechnology, healthcare, home automation, maintenance, manufacturing, pharmaceuticals, retail, ...
Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.
Serves as a compendium for papers on the technological advances in control engineering and as an archival publication which will bridge the gap between theory and practice. Papers will highlight the latest knowledge, exploratory developments, and practical applications in all aspects of the technology needed to implement control systems from analysis and design through simulation and hardware.
Both general and technical articles on current technologies and methods used in biomedical and clinical engineering; societal implications of medical technologies; current news items; book reviews; patent descriptions; and correspondence. Special interest departments, students, law, clinical engineering, ethics, new products, society news, historical features and government.
Theory and applications of industrial electronics and control instrumentation science and engineering, including microprocessor control systems, high-power controls, process control, programmable controllers, numerical and program control systems, flow meters, and identification systems.
Proceedings of the First Regional Conference, IEEE Engineering in Medicine and Biology Society and 14th Conference of the Biomedical Engineering Society of India. An International Meet, 1995
Several patients suffering from neuromuscular disorders, trauma-related problems of limbs and congenital deformities require orthotic support. Presently available rehabilitation aids like calipers, braces, and other appliances made of metallic parts have a distinct disadvantage of being heavy and cannot be managed by patients whose muscles are already weakened. Since they have normal intelligence and other faculties, if the physical disability ...
IEEE Transactions on Medical Imaging, 1997
The increase of low back problems has stimulated the development of different analysis and evaluation techniques. Among these methods, the direct linear transformation (DLT) technique is commonly used to reconstruct the spine in three dimensions by means of its known image coordinates on radiographs. Despite its efficiency and precision, general reconstruction of some standard anatomical landmarks does not give all ...
ICCAS 2010, 2010
This paper deals with an acquisition and recognition of Electromyography (EMG) signals, their processing to get the neural activation, their transformation to muscle activation and the relationship of neural activation to muscle activation. This issue is related to the stability of an EMG-based orthotic control. The EMG signals are recorded with surface electrodes attached to the skin on top of ...
Proceedings of the 15th Annual International Conference of the IEEE Engineering in Medicine and Biology Societ, 1993
IEE Colloquium on Mechatronic Aids for the Disabled, 1995
Impairment of upper limb functions such as range of movement, strength, sensation, proprioception and dexterity can lead to severe handicap for people with disabilities and the elderly. The preservation of motor function and joint range of motion plays an important role in maintaining the independence of people with disabilities and powered orthoses for the upper limb have the potential for ...
Several patients suffering from neuromuscular disorders, trauma-related problems of limbs and congenital deformities require orthotic support. Presently available rehabilitation aids like calipers, braces, and other appliances made of metallic parts have a distinct disadvantage of being heavy and cannot be managed by patients whose muscles are already weakened. Since they have normal intelligence and other faculties, if the physical disability is taken care of, they will be useful members of society. The present paper is an analysis of our efforts to use polypropylene for the fabrication of lower limb orthotic appliances. Over a follow up period of one year with 200 patients fitted with custom made polypropylene orthotics we found very encouraging results.
The increase of low back problems has stimulated the development of different analysis and evaluation techniques. Among these methods, the direct linear transformation (DLT) technique is commonly used to reconstruct the spine in three dimensions by means of its known image coordinates on radiographs. Despite its efficiency and precision, general reconstruction of some standard anatomical landmarks does not give all the necessary data for a detailed analysis of the intrinsic geometrical characteristics of lumbar vertebrae. Thus, in order to obtain such geometrical information a three-dimensional (3-D) reconstruction vertebral endplate contour technique has been developed. This technique involves: (1) iterative optimization and reconstruction processes of the vertebral endplate centroid; and (2) 3-D reconstruction of vertebral endplate contour. Validation based on mathematical simulations demonstrated that two or three iterations are necessary to correct (within 2 mm) the endplate centroid position for simulated error higher than 10 mm. Other validations based on 3-D reconstructions of a chamfered tube and a dry vertebra contours of known dimensions have given mean errors of 2 mm. Application on a healthy subject demonstrated the potential of this 3-D reconstruction technique. Finally, 3-D data obtained on vertebral endplates would allow the development of new clinical measurements that could be used to evaluate the lumbar spine geometrical behavior and orthoses biomechanical effects.
This paper deals with an acquisition and recognition of Electromyography (EMG) signals, their processing to get the neural activation, their transformation to muscle activation and the relationship of neural activation to muscle activation. This issue is related to the stability of an EMG-based orthotic control. The EMG signals are recorded with surface electrodes attached to the skin on top of the selected muscles and they reflect the activation of the muscles. The acquired EMG patterns are processed in a manner to remove the non-target patterns. The parameters for processing of EMG signals are suggested to make the signal suitable for calculating muscle activation and muscle force.
Impairment of upper limb functions such as range of movement, strength, sensation, proprioception and dexterity can lead to severe handicap for people with disabilities and the elderly. The preservation of motor function and joint range of motion plays an important role in maintaining the independence of people with disabilities and powered orthoses for the upper limb have the potential for playing a major part in enabling this independence. A consortium headed by the University of Newcastle upon Tyne with four European partners (University of Abertay Dundee (UK), Scienzia Machinale (Italy), TVI Europe (UK) and the Free University of Berlin (Germany)) and funded by the European Union Technology Initiative for Disabled and Elderly (TIDE) has embarked on a three year project to address the problems outlined above. This project is entitled Motorised Upper Limb Orthotic Systems (MULOS) and will develop modular, lightweight, powered structures for the upper limb, incorporating closed loop force and position feedback control. The main objective of the orthosis is to assist its users in activities of daily living. Secondary objectives are for exercise and continuous passive motion (CPM) modes.<<ETX>>
Electromyography (EMG), a technique used to analyze and record electric current produced by skeletal muscles, has been used to control replacement limbs, and diagnose muscle irregularities. In this work, an EMG based system comprising of an orthotic arm and finger device to aid in muscle rehabilitation, is presented. As the user attempts to contract their bicep or forearm muscles, the system senses the change in the EMG signals and in turn triggers the motors to assist with flexion and extension of the arm and fingers. As brain is a major factor for muscle growth, mental training using motor imagery was incorporated into the system. Subjects underwent mental training to show the capability of muscle growth. The measured data reveals that the subjects were able to compensate for the loss of muscle growth, due to shorter physical training sessions, with mental training. Subjects were then tested using the orthotic arm and finger rehabilitation device with motor imagery. The findings also showed a positive increase in muscle growth using the rehabilitation system. Based on the experimental results, the EMG rehabilitation system presented in this paper has the potential to increase muscle strength and improve the recovery rate for muscle injuries, partial paralysis, or muscle irregularities.
This summary describes work in progress toward the development of closed-loop control systems for the functional neuromuscular (electrical) stimulation of muscles in paralyzed patients. A simple closed-loop digital controller which regulates muscle force in a robust way (that is, with low sensitivity to modelling errors and disturbances) has been designed using classical discrete- time root-locus methods. This controller has been evaluated in cat soleus and plantaris and performs well in both.
The authors investigated the applicability of impedance controllers to robotic orthoses for arm movements. They had tetraplegics turn a crank using their paralyzed arm propelled by a planar robot manipulandum. The robot was under impedance control, and chin motion served as command source. Stiffness varied between 50, 100, or 200 N/m and damping varied between 5 or 15 N/m/s. Results indicated that a low stiffness and high viscosity provided better directional control of the tangential force exerted on the crank.
This study investigated foot/ankle roll-over characteristics for different joint alignments of the ankle-foot orthosis(AFO). Seven volunteers without any musculoskeletal or foot problems participated in motion analyses. To obtain roll-over shape of the ankle-foot complex, we used trajectories of ankle and knee joints and the center of pressure(COP) between initial contact (lC) and opposite initial contact(OIC). After the roll-over shape was determined for each data, it was represented by a circular arc using the least-square method. Results showed that for the more dorsiflexed AFOs, the more distally the roll- over trajectory moved at initial contact. Also, we found that the radius of curvature significantly increased and the center of roll-over shape moved posteriorly and superiorly in dorsiflexed AFOs. Present results might provide a better understanding for the proper alignment of the orthotics as well as a single roll-over shape during walking.
• Gait cycle segmentation using inverted pendulum model of walking • Direct integration of accelerations • Real-time algorithm in Matlab/Simulink Real Time Workshop/Real Time Windows Target • Accurate speed estimation with 7% error • Useful for control of prostheses, orthoses, exoskeletons and energy harvesters
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