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A Lower Limb Powered Orthosis for Improved Rehabilitation Training

Physical training is often needed for patients to relearn how to walk after a stroke, or other neurological damage. However, the frequency and availability of physical training are limited by finite medical resources: most lower-limb rehabilitation orthoses are stationary and only available in a limited number of clinical settings, due to their large...

Published: 5/20/2020 | Inventor(s): Robert Gregg, Hanqi Zhu

Keywords(s): Electronics, Engineering & Physical Sciences, Medical Devices, Motors, Research Tools, Sensors & Controls, Therapeutics

Category(s): Devices, Healthcare, Robotics, Mechanical Systems

Virtual Body-Weight Support via Lower-Limb Exoskeleton

Summary:This is a novel control system for powered lower-limb exoskeletons (or orthoses) that provides body-weight support (BWS) for people who have sustained a stroke and other neurological injury. Patients are provided with BWS during conventional gait retraining to help them produce the coordinated muscle activities needed for walking. Although current...

Published: 5/20/2020 | Inventor(s): Robert Gregg, Ge Lv, Hanqi Zhu

Keywords(s): Biotechnology, Engineering & Physical Sciences, Life Sciences, Medical Devices, Motors, Research Tools, Sensors & Controls, Signal Processing, Therapeutics

Category(s): Electronics, Healthcare, Robotics, Control Strategy, Devices, Mechanical Systems

High Torque Density Switched Reluctance Motors

Applications like aerospace, automotive and robotics require high torque to volume/weight ratio machines. Permanent Magnet Machines have been considered to be the sole candidates, however, the limitation of the operational temperature, relatively high price, and unstable overseas supply of permanent magnet material limits its massive applications. There...

Published: 4/26/2019 | Inventor(s): Babak Fahimi, Wei Wang, Chenjie Lin, Mehdi Moallem, Mohammadali Abbasian

Keywords(s): Automotive, Devices, Energy, Engineering & Physical Sciences, Industrial & Manufacturing, Motors, Robotics, Transportation

Category(s): Mechanical Systems