Modeling, Optimization, and Control Methods for a Personalized Hybrid Walking Exoskeleton

Status unconfirmed · Not applicable

Conditions studied: Spinal Cord Injuries, Paraplegia, Spinal, Paraplegia, Incomplete

In brief

The central objective of this study is to validate new algorithms that coordinate between functional electrical stimulation (FES) and the exoskeleton during sitting-to-standing, walking, and standing-to-sitting movements. The secondary objective is to optimize the algorithms as well as assess their ability to reduce FES-induced muscle fatigue by using ultrasound imaging as a sensing modality. This study will include persons with no disabilities and persons with Spinal Cord Injury (SCI). A research set-up comprising of a lower-limb exoskeleton and FES system will be used to achieve sitting-to-standing, walking, and standing-to-sitting movements. Ultrasound Imaging probes may be used to record muscle activity of the stimulated muscles. The signals derived from ultrasound will be used to optimize FES in order to reduce muscle fatigue as well as assess muscle fatigue.

Key facts

Study ID
NCT04453943
Run by
North Carolina State University
People needed
30
Starts
2020-07-01
Expected to finish
2023-01-01
Last updated by the study team
2020-07-01

Who can join

Age: 18 and older, up to 60. Sex: any. Healthy volunteers: accepted.

Where it is running

Full record on ClinicalTrials.gov

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