Xian Yu
A Control and Posture Recognition Strategy for Upper-Limb Rehabilitation of Stroke Patients
Yu, Xian; Xiao, Bo; Tian, Ye; Wu, Zihao; Liu, Qi; Wang, Jun; Sun, Mingxu; Liu, Xiaodong
Authors
Abstract
At present, the study of upper-limb posture recognition is still in the primary stage; due to the diversity of the objective environment and the complexity of the human body posture, the upper-limb posture has no public dataset. In this paper, an upper extremity data acquisition system is designed, with a three-channel data acquisition mode, collect acceleration signal, and gyroscope signal as sample data. The datasets were preprocessed with deweighting, interpolation, and feature extraction. With the goal of recognizing human posture, experiments with KNN, logistic regression, and random gradient descent algorithms were conducted. In order to verify the superiority of each algorithm, the data window was adjusted to compare the recognition speed, computation time, and accuracy of each classifier. For the problem of improving the accuracy of human posture recognition, a neural network model based on full connectivity is developed. In addition, this paper proposes a finite state machine- (FSM-) based FES control model for controlling the upper limb to perform a range of functional tasks. In the process of constructing the network model, the effects of different hidden layers, activation functions, and optimizers on the recognition rate were experimental for the comparative analysis; the softplus activation function with better recognition performance and the adagrad optimizer are selected. Finally, by comparing the comprehensive recognition accuracy and time efficiency with other classification models, the fully connected neural network is verified in the human posture superiority in identification.
Citation
Yu, X., Xiao, B., Tian, Y., Wu, Z., Liu, Q., Wang, J., Sun, M., & Liu, X. (2021). A Control and Posture Recognition Strategy for Upper-Limb Rehabilitation of Stroke Patients. Wireless Communications and Mobile Computing, 2021, Article 6630492. https://doi.org/10.1155/2021/6630492
Journal Article Type | Article |
---|---|
Acceptance Date | Mar 30, 2021 |
Online Publication Date | May 18, 2021 |
Publication Date | May 18, 2021 |
Deposit Date | May 24, 2021 |
Publicly Available Date | May 24, 2021 |
Journal | Wireless Communications and Mobile Computing |
Print ISSN | 1530-8669 |
Electronic ISSN | 1530-8677 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 2021 |
Article Number | 6630492 |
DOI | https://doi.org/10.1155/2021/6630492 |
Public URL | http://researchrepository.napier.ac.uk/Output/2774417 |
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A Control And Posture Recognition Strategy For Upper-Limb Rehabilitation Of Stroke Patients
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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
Copyright Statement
Copyright © 2021 Xian Yu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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