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Open AccessJournal ArticleDOI

An IoT-Enabled Stroke Rehabilitation System Based on Smart Wearable Armband and Machine Learning

TLDR
The proposed IoT-enabled stroke rehabilitation system based on a smart wearable armband, machine learning algorithms, and a 3-D printed dexterous robot hand can mimic the user’s gesture in a real-time manner, which shows the proposed system can be used as a training tool to facilitate rehabilitation process for the patients after stroke.
Abstract
Surface electromyography signal plays an important role in hand function recovery training. In this paper, an IoT-enabled stroke rehabilitation system was introduced which was based on a smart wearable armband (SWA), machine learning (ML) algorithms, and a 3-D printed dexterous robot hand. User comfort is one of the key issues which should be addressed for wearable devices. The SWA was developed by integrating a low-power and tiny-sized IoT sensing device with textile electrodes, which can measure, pre-process, and wirelessly transmit bio-potential signals. By evenly distributing surface electrodes over user’s forearm, drawbacks of classification accuracy poor performance can be mitigated. A new method was put forward to find the optimal feature set. ML algorithms were leveraged to analyze and discriminate features of different hand movements, and their performances were appraised by classification complexity estimating algorithms and principal components analysis. According to the verification results, all nine gestures can be successfully identified with an average accuracy up to 96.20%. In addition, a 3-D printed five-finger robot hand was implemented for hand rehabilitation training purpose. Correspondingly, user’s hand movement intentions were extracted and converted into a series of commands which were used to drive motors assembled inside the dexterous robot hand. As a result, the dexterous robot hand can mimic the user’s gesture in a real-time manner, which shows the proposed system can be used as a training tool to facilitate rehabilitation process for the patients after stroke.

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Journal ArticleDOI

Pre-Emption of Affliction Severity Using HRV Measurements from a Smart Wearable; Case-Study on SARS-Cov-2 Symptoms.

TL;DR: The use of heart rate variability (HRV) measurements to drive an algorithm that can pre-empt the onset or worsening of an affliction was hypothesized and confirmed through the generation of probable hidden states sequences using the Viterbi algorithm.
Journal ArticleDOI

Self-Powered Wearable IoT Devices for Health and Activity Monitoring

TL;DR: This monograph starts with a survey of the recent literature on the challenges faced by wearable devices, then discusses potential solutions to each of the challenges, and starts with the primary application areas that provide value to the users of wearable devices.
Journal ArticleDOI

Wearable Assistive Robotics: A Perspective on Current Challenges and Future Trends.

TL;DR: Wearable assistive robotics as discussed by the authors is an emerging technology with the potential to assist humans with sensorimotor impairments to perform daily activities, which enables individuals to be physically and socially active, perform activities independently, and recover quality of life.
Journal ArticleDOI

AI-Enabled Wearable Medical Internet of Things in Healthcare System: A Survey

TL;DR: In this paper , the authors discuss all the directions proposed by the researchers to improve healthcare through wearable devices and artificial intelligence and highlight all the constraints and opportunities of developing AI enabled IoT-based healthcare systems.
References
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A new strategy for multifunction myoelectric control

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The impact of physical therapy on functional outcomes after stroke: what's the evidence?

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Journal ArticleDOI

The restoration of motor function following hemiplegia in man

Thomas E. Twitchell
- 01 Dec 1951 - 
TL;DR: There was a remarkable uniformity in the sequences of recovery of all patients, regardless of whether sensory disturbances were present and whether the dominant or nondominant hemisphere was involved; the patients progressed from one recovery phase to the next in an orderly fashion without any of the phases being omitted.
Journal ArticleDOI

Support Vector Machine-Based Classification Scheme for Myoelectric Control Applied to Upper Limb

TL;DR: This work presents a method to adjust SVM parameters before classification, and examines overlapped segmentation and majority voting as two techniques to improve controller performance.
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