Opportunities and challenges in the development of exoskeletons for locomotor assistance

C Siviy, LM Baker, BT Quinlivan… - Nature Biomedical …, 2023 - nature.com
Exoskeletons can augment the performance of unimpaired users and restore movement in
individuals with gait impairments. Knowledge of how users interact with wearable devices …

Compliant lower limb exoskeletons: a comprehensive review on mechanical design principles

MC Sanchez-Villamañan, J Gonzalez-Vargas… - … of neuroengineering and …, 2019 - Springer
Exoskeleton technology has made significant advances during the last decade, resulting in
a considerable variety of solutions for gait assistance and rehabilitation. The mechanical …

Human-in-the-loop optimization of exoskeleton assistance during walking

J Zhang, P Fiers, KA Witte, RW Jackson… - Science, 2017 - science.org
Exoskeletons and active prostheses promise to enhance human mobility, but few have
succeeded. Optimizing device characteristics on the basis of measured human performance …

A hip–knee–ankle exoskeleton emulator for studying gait assistance

GM Bryan, PW Franks, SC Klein… - … Journal of Robotics …, 2021 - journals.sagepub.com
Lower-limb exoskeletons could improve the mobility of people with disabilities, older adults,
workers, first responders, and military personnel. Despite recent advances, few products are …

Improving the energy economy of human running with powered and unpowered ankle exoskeleton assistance

KA Witte, P Fiers, AL Sheets-Singer, SH Collins - Science Robotics, 2020 - science.org
Exoskeletons that reduce energetic cost could make recreational running more enjoyable
and improve running performance. Although there are many ways to assist runners, the best …

Reducing the metabolic cost of walking with an ankle exoskeleton: interaction between actuation timing and power

S Galle, P Malcolm, SH Collins, D De Clercq - Journal of neuroengineering …, 2017 - Springer
Background Powered ankle-foot exoskeletons can reduce the metabolic cost of human
walking to below normal levels, but optimal assistance properties remain unclear. The …

An experimental comparison of the relative benefits of work and torque assistance in ankle exoskeletons

RW Jackson, SH Collins - Journal of applied physiology, 2015 - journals.physiology.org
Techniques proposed for assisting locomotion with exoskeletons have often included a
combination of active work input and passive torque support, but the physiological effects of …

Human-in-the-loop adaptive control of a soft exo-suit with actuator dynamics and ankle impedance adaptation

Z Li, Q Li, P Huang, H Xia, G Li - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Soft exo-suit could facilitate walking assistance activities (such as level walking, upslope,
and downslope) for unimpaired individuals. In this article, a novel human-in-the-loop …

Optimizing exoskeleton assistance for faster self-selected walking

S Song, SH Collins - IEEE Transactions on Neural Systems and …, 2021 - ieeexplore.ieee.org
Self-selected walking speed is an important aspect of mobility. Exoskeletons can increase
walking speed, but the mechanisms behind these changes and the upper limits on …

Design and optimisation of load-adaptive actuator with variable stiffness for compact ankle exoskeleton

Y Shao, W Zhang, Y Su, X Ding - Mechanism and Machine Theory, 2021 - Elsevier
To overcome the limitations of linear series elastic actuators (SEAs) with constant stiffness, a
novel load-adaptive actuator with variable stiffness is proposed for actuating ankle …