Human Gait Recognition System Based on Support Vector Machine Algorithm and Using Wearable Sensors

Human gait recognition is very important for controlling exoskeletons and achieving smooth transformations. Gait information must be obtained accurately. Therefore, in order to accurately control the exoskeleton movement, a multisensor fusion gait recognition system was developed in this study. The...

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Vydáno v:Sensors and materials Ročník 31; číslo 4; s. 1335
Hlavní autoři: Wang, Fangzheng, Yan, Lei, Xiao, Jiang
Médium: Journal Article
Jazyk:angličtina
Vydáno: Tokyo MYU Scientific Publishing Division 01.01.2019
Témata:
Acceleration
Algorithms
Back propagation networks
Basis functions
Exoskeletons
Feet
Gait
Gait recognition
Multisensor fusion
Neural networks
Plantar pressure
Radial basis function
Robot control
Support vector machines
Thigh
Walking
ISSN:0914-4935
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Abstract Human gait recognition is very important for controlling exoskeletons and achieving smooth transformations. Gait information must be obtained accurately. Therefore, in order to accurately control the exoskeleton movement, a multisensor fusion gait recognition system was developed in this study. The system acquires plantar pressure and acceleration signals of human legs. In the experiment, we collected the pressure signals of both feet and the movement data of the waist, left thigh, left calf, right thigh, and right calf of five test subjects. We investigated the gaits of standing, level walking, going up the stairs, going down the stairs, going up the slope, and going down the slope. The gait recognition accuracy of support vector machine (SVM), back propagation (BP) neural network and radial basis function (RBF) neural network were compared. The different sliding window sizes of SVM algorithm were analyzed. The results showed that the recognition rate was higher for the SVM algorithm with an average recognition accuracy of 96.5%. The accurate recognition of the human gait provides a good theoretical basis for the design of an exoskeleton robot control strategy.
AbstractList Human gait recognition is very important for controlling exoskeletons and achieving smooth transformations. Gait information must be obtained accurately. Therefore, in order to accurately control the exoskeleton movement, a multisensor fusion gait recognition system was developed in this study. The system acquires plantar pressure and acceleration signals of human legs. In the experiment, we collected the pressure signals of both feet and the movement data of the waist, left thigh, left calf, right thigh, and right calf of five test subjects. We investigated the gaits of standing, level walking, going up the stairs, going down the stairs, going up the slope, and going down the slope. The gait recognition accuracy of support vector machine (SVM), back propagation (BP) neural network and radial basis function (RBF) neural network were compared. The different sliding window sizes of SVM algorithm were analyzed. The results showed that the recognition rate was higher for the SVM algorithm with an average recognition accuracy of 96.5%. The accurate recognition of the human gait provides a good theoretical basis for the design of an exoskeleton robot control strategy.
Author Xiao, Jiang
Yan, Lei
Wang, Fangzheng
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Snippet Human gait recognition is very important for controlling exoskeletons and achieving smooth transformations. Gait information must be obtained accurately....
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StartPage 1335
SubjectTerms Acceleration
Algorithms
Back propagation networks
Basis functions
Exoskeletons
Feet
Gait
Gait recognition
Multisensor fusion
Neural networks
Plantar pressure
Radial basis function
Robot control
Support vector machines
Thigh
Walking
Title Human Gait Recognition System Based on Support Vector Machine Algorithm and Using Wearable Sensors
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