Adaptive Classifier based on Distance of Probabilistic Fuzzy Set for EMG Robot

doi:10.23940/ijpe.18.09.p26.21752180

Int J Performability Eng ›› 2018, Vol. 14 ›› Issue (9): 2175-2180.doi: 10.23940/ijpe.18.09.p26.21752180

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Adaptive Classifier based on Distance of Probabilistic Fuzzy Set for EMG Robot

Wenjing Huang^a, Yaoqing Ren^{b, *}, Kejun Li^a, and Yihua Li^c

^aSchool of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China;
^bSchool of Mathematics and Physics, Yancheng Institute of Technology, Yancheng, 224051, China;
^cSchool of Logistics and Traffic, Central South University of Forestry and Technology, Changsha, 410004, China

Revised on ; Accepted on
Contact: * E-mail address: yqren@aliyun.com

Abstract

Abstract: Surface electromyographic (sEMG) signals always change with the external and internal conditions of human beings. Such a time-varying characteristic leads to decreasing classification accuracy of fixed-parameter classifiers for EMG patterns with time. To design a control system for EMG-based artificial limbs with stable performance, it is necessary to introduce the adaptive mechanism in the classifiers for EMG patterns. In addition, there are many uncertainties in the process of EMG signal acquisition and grasp model recognition. In this paper, on the basis of a distance classifier based on probabilistic fuzzy set, we attempted to introduce the adaptive scheme to the classifiers for EMG patterns and then verified the application of the scheme in the classification of EMG patterns through experiments. The study shows that a self-enhancement distance classifier based on probabilistic fuzzy set can improve recognition accuracy.

Key words: adaptive classification, probabilistic fuzzy, electromyographic robot

Wenjing Huang, Yaoqing Ren, Kejun Li, and Yihua Li. Adaptive Classifier based on Distance of Probabilistic Fuzzy Set for EMG Robot [J]. Int J Performability Eng, 2018, 14(9): 2175-2180.

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Adaptive Classifier based on Distance of Probabilistic Fuzzy Set for EMG Robot

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