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Training Persons with Spinal Cord Injury to Ambulate Using a Powered Exoskeleton

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Published on: June 16, 2016

Flexible lower limb exoskeleton systems: A review.

Qiaoling Meng^1,2,3, Qingxin Zeng^1,2,3, Qiaolian Xie^1,2,3

¹Institute of Rehabilitation Engineering and Technology, University of Shanghai for Science and Technology, Shanghai, China.

Neurorehabilitation

|February 11, 2022

Summary

This summary is machine-generated.

Flexible lower limb exoskeletons (FLLEs) offer advantages over rigid designs for active rehabilitation. Future FLLE development focuses on lightweight, compliant designs and advanced control theories to reduce user energy expenditure.

Keywords:

Lower extremity exoskeleton gait assistance soft exoskeleton walking assistance wearable robotics

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Area of Science:

Robotics
Rehabilitation Engineering
Biomechanics

Background:

Flexible lower limb exoskeletons (FLLEs) represent an advancement over traditional rigid lower limb exoskeletons (RLLEs).
FLLEs integrate flexible drive and wearable mechanisms, addressing issues like high weight, poor compliance, and limited portability.
They are a key development area in active rehabilitation robotics.

Purpose of the Study:

To review the development and innovation of FLLEs over the past decade (2010-2021).
To provide a comprehensive overview of the current state and future trends in FLLE technology.

Main Methods:

A systematic literature search was conducted across major databases (EI, IEEE Xplore, PubMed, Web of Science).
Search focused on articles published between 2010 and 2021.
Seventy relevant research articles were selected based on predefined inclusion and exclusion criteria.

Main Results:

FLLEs were categorized based on their driving mechanisms.
The review summarized the advantages and disadvantages of both passive and active FLLEs.
Current research trends include cable-driven systems, bionic pneumatic muscles, and smart material innovations.

Conclusions:

FLLE research is currently dominated by cable-driven systems, with bionic pneumatic muscles also being mature.
Emerging trends involve diverse exoskeleton designs utilizing smart materials.
Future directions emphasize lightweight, compliant designs, integrating advanced control theories for improved human-machine interaction and reduced metabolic cost during locomotion.