A review of current state-of-the-art control methods for lower-limb powered prostheses

R Gehlhar, M Tucker, AJ Young, AD Ames - Annual reviews in control, 2023 - Elsevier
Lower-limb prostheses aim to restore ambulatory function for individuals with lower-limb
amputations. While the design of lower-limb prostheses is important, this paper focuses on …

A review of user needs to drive the development of lower limb prostheses

S Manz, R Valette, F Damonte, L Avanci Gaudio… - … of neuroengineering and …, 2022 - Springer
Background The development of bionic legs has seen substantial improvements in the past
years but people with lower-limb amputation still suffer from impairments in mobility (eg …

Design optimization in lower limb prostheses: A review

MA Price, P Beckerle, FC Sup - IEEE Transactions on Neural …, 2019 - ieeexplore.ieee.org
This paper aims to develop a knowledge base and identify the promising research pathways
toward designing lower limb prostheses for optimal biomechanical and clinical outcomes. It …

Machine learning model comparisons of user independent & dependent intent recognition systems for powered prostheses

K Bhakta, J Camargo, L Donovan… - IEEE Robotics and …, 2020 - ieeexplore.ieee.org
Developing intelligent prosthetic controllers to recognize user intent across users is a
challenge. Machine learning algorithms present an opportunity to develop methods for …

Stand-up, squat, lunge, and walk with a robotic knee and ankle prosthesis under shared neural control

GR Hunt, S Hood, T Lenzi - IEEE Open Journal of Engineering …, 2021 - ieeexplore.ieee.org
Emerging robotic knee and ankle prostheses present an opportunity to restore the
biomechanical function of missing biological legs, which is not possible with conventional …

A-mode ultrasound-based prediction of transfemoral amputee prosthesis walking kinematics via an artificial neural network

J Mendez, R Murray, L Gabert, NP Fey… - … on Neural Systems …, 2023 - ieeexplore.ieee.org
Lower-limb powered prostheses can provide users with volitional control of ambulation. To
accomplish this goal, they require a sensing modality that reliably interprets user intention to …

Effect of increasing assistance from a powered prosthesis on weight-bearing symmetry, effort, and speed during stand-up in individuals with above-knee amputation

GR Hunt, S Hood, L Gabert… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
After above-knee amputation, the missing biological knee and ankle are commonly replaced
with a passive prosthesis, which cannot provide net-positive energy to assist the user …

Simulation of stand-to-sit biomechanics for robotic exoskeletons and prostheses with energy regeneration

B Laschowski, RS Razavian… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Previous studies of robotic exoskeletons and prostheses with regenerative actuators have
focused on level-ground walking. Here we analyzed the lower-limb joint mechanical power …

Data-driven variable impedance control of a powered knee-ankle prosthesis for sit, stand, and walk with minimal tuning

CG Welker, TK Best, RD Gregg - 2022 IEEE/RSJ International …, 2022 - ieeexplore.ieee.org
Although the average healthy adult transitions from sit to stand over 60 times per day, most
research on powered prosthesis control has only focused on walking. In this paper, we …

Improving sit/stand loading symmetry and timing through unified variable impedance control of a powered knee-ankle prosthesis

CG Welker, TK Best, RD Gregg - IEEE Transactions on Neural …, 2023 - ieeexplore.ieee.org
Individuals using passive prostheses typically rely heavily on their biological limb to
complete sitting and standing tasks, leading to slower completion times and increased rates …