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Optimization of an unpowered energy-stored exoskeleton for patients with spinal cord injury
2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2016The paper describes a novel unpowered energy-stored exoskeleton (ES-EXO) for spinal cord injured patients in consideration of patients' characteristics and injured levels. It proposed a method to optimize the energy-stored element to decrease the hip joint moment in walking.
Xinyu Guan +3 more
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Design of a Low Profile, Unpowered Ankle Exoskeleton That Fits Under Clothes: Overcoming Practical Barriers to Widespread Societal Adoption [PDF]
IEEE Transactions on Neural Systems and Rehabilitation Engineering, 2019 Here, we present the design of a novel unpowered ankle exoskeleton that is low profile, lightweight, quiet, and low cost to manufacture, intrinsically adapts to different walking speeds, and does not restrict non-sagittal joint motion; while still providing assistive ankle torque that can reduce demands on the biological calf musculature. This paper is
Karl Zelik, , Joshua Tacca
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An Unpowered Flexible Lower Limb Exoskeleton: Walking Assisting and Energy Harvesting
IEEE/ASME Transactions on Mechatronics, 2019Powered exoskeletons are used to assist human walking, but it is inconvenient for a user to carry a bulky energy-supply system. During walking, human lower limbs accelerate and decelerate alternatively, during which period the human body does positive and negative work, respectively.
Longhan Xie, Guowei Huang, Siqi Cai
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A Portable Variable Stiffness Unpowered Aided Exoskeleton Design
2019Long-term and long-distance walking, especially weight-bearing walking, can lead to a series of health problems, such as physical decline, muscle fatigue, and even muscle injury. In order to provide precisely walking support for users, our team studied the movement characteristics of normal people’s unilateral lower limbs from transition phase to ...
Luoqin Yu, Kai Wang, Tianning Chen
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2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 2018
In this paper, we propose the design of an exoskeleton with support at the knee joint and lower torso for sit-to-stand and stand-to-sit (STS) posture transitions; devised for users with spinal cord injury and other complete lower-body impairments. The STS transitions assistance is achieved through a power transfer mechanism that synchronizes knees and ...
Diego Felipe Paez Granados +2 more
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In this paper, we propose the design of an exoskeleton with support at the knee joint and lower torso for sit-to-stand and stand-to-sit (STS) posture transitions; devised for users with spinal cord injury and other complete lower-body impairments. The STS transitions assistance is achieved through a power transfer mechanism that synchronizes knees and ...
Diego Felipe Paez Granados +2 more
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EMG Based Clinical Evaluation of an Unpowered Exoskeleton Device
2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA), 2023Rajat Suvra Halder +5 more
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Simulation and biomechanical evaluation of unpowered knee assisted exoskeleton
Proceedings of the 3rd International Symposium on Artificial Intelligence for Medicine Sciences, 2022Xinyao Tang +2 more
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Development and Testing of an Unpowered Ankle Exoskeleton for Walking Assist
2016Assistive technologies traditionally rely on either strong actuation or passive structures to provide users with increased strength, support or the ability to perform lost functions. At one end of the spectrum are powered exoskeletons, which significantly increase a user’s strength, but require strong actuators, complex control systems, and heavy power
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A Novel Design of Unpowered Exoskeleton for Loaded Walking Using Only Hip Abduction Torque
IEEE/ASME Transactions on MechatronicsSangryong Lee, Oh-Hyun Kang, Hak Yi
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2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2019
The paper focused on the effects of body dimensions of patients with spinal cord injury (SCI) on the spring locations of unpowered energy-stored exoskeleton (ES-EXO) based on energy-stored element optimization method. The optimal spring locations and muscle activations of patients with different combinations of height and weight were simulated in ...
Xinyu Guan +8 more
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The paper focused on the effects of body dimensions of patients with spinal cord injury (SCI) on the spring locations of unpowered energy-stored exoskeleton (ES-EXO) based on energy-stored element optimization method. The optimal spring locations and muscle activations of patients with different combinations of height and weight were simulated in ...
Xinyu Guan +8 more
openaire +2 more sources