A lightweight robotic leg prosthesis replicating the biomechanics of the knee, ankle, and toe joint

M Tran, L Gabert, S Hood, T Lenzi - Science robotics, 2022 - science.org
Robotic leg prostheses promise to improve the mobility and quality of life of millions of
individuals with lower-limb amputations by imitating the biomechanics of the missing …

User preference optimization for control of ankle exoskeletons using sample efficient active learning

UH Lee, VS Shetty, PW Franks, J Tan… - Science Robotics, 2023 - science.org
One challenge to achieving widespread success of augmentative exoskeletons is accurately
adjusting the controller to provide cooperative assistance with their wearer. Often, the …

Toward the development of user-centered neurointegrated lower limb prostheses

F Barberi, E Anselmino, A Mazzoni… - IEEE reviews in …, 2023 - ieeexplore.ieee.org
The last few years witnessed radical improvements in lower-limb prostheses. Researchers
have presented innovative solutions to overcome the limits of the first generation of …

Taking both sides: seeking symbiosis between intelligent prostheses and human motor control during locomotion

HH Huang, J Si, A Brandt, M Li - Current opinion in biomedical engineering, 2021 - Elsevier
Robotic lower limb prostheses aim to replicate the power-generating capability of biological
joints during locomotion to empower individuals with lower limb loss. However, recent …

Powered hip exoskeleton improves walking economy in individuals with above-knee amputation

MK Ishmael, D Archangeli, T Lenzi - Nature Medicine, 2021 - nature.com
Above-knee amputation severely reduces the mobility and quality of life of millions of
individuals. Walking with available leg prostheses is highly inefficient, and poor walking …

Data-driven variable impedance control of a powered knee–ankle prosthesis for adaptive speed and incline walking

TK Best, CG Welker, EJ Rouse… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Most impedance-based walking controllers for powered knee–ankle prostheses use a finite
state machine with dozens of user-specific parameters that require manual tuning by …

A powered hip exoskeleton with high torque density for walking, running, and stair ascent

MK Ishmael, D Archangeli… - IEEE/ASME Transactions …, 2022 - ieeexplore.ieee.org
Powered exoskeletons need actuators that can generate substantial assistive torque and
orthoses that can efficiently transfer the assistive torque to the user. Powered exoskeletons …

Powered knee and ankle prosthesis with indirect volitional swing control enables level-ground walking and crossing over obstacles

J Mendez, S Hood, A Gunnel, T Lenzi - Science Robotics, 2020 - science.org
Powered prostheses aim to mimic the missing biological limb with controllers that are finely
tuned to replicate the nominal gait pattern of non-amputee individuals. Unfortunately, this …

Advancements, trends and future prospects of lower limb prosthesis

M Asif, MI Tiwana, US Khan, WS Qureshi, J Iqbal… - IEEE …, 2021 - ieeexplore.ieee.org
Amputees with lower limb loss need special care during daily life activities to make the
movement natural as before amputation. No such work exists covering the main aspects …

Powered knee and ankle prostheses enable natural ambulation on level ground and stairs for individuals with bilateral above-knee amputation: a case study

S Hood, S Creveling, L Gabert, M Tran, T Lenzi - Scientific Reports, 2022 - nature.com
Ambulation with existing prostheses is extremely difficult for individuals with bilateral above-
knee amputations. Commonly prescribed prostheses are passive devices that cannot …