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A Hybrid Time Frequency Response and Fuzzy Decision Tree for Non-stationary Signal Analysis and Pattern Recognition
N. R. Nayak; P. K. Dash; R. Bisoi
发表期刊International Journal of Automation and Computing
ISSN1476-8186
2019
卷号16期号:3页码:398-412
摘要A Fourier kernel based time-frequency transform is a proven candidate for non-stationary signal analysis and pattern recognition because of its ability to predict time localized spectrum and global phase reference characteristics. However, it suffers from heavy computational overhead and large execution time. The paper, therefore, uses a novel fast discrete sparse S-transform (SST) suitable for extracting time frequency response to monitor non-stationary signal parameters, which can be ultimately used for disturbance detection, and their pattern classification. From the sparse S-transform matrix, some relevant features have been extracted which are used to distinguish among different non-stationary signals by a fuzzy decision tree based classifier. This algorithm is robust under noisy conditions. Various power quality as well as chirp signals have been simulated and tested with the proposed technique in noisy conditions as well. Some real time mechanical faulty signals have been collected to demonstrate the efficiency of the proposed algorithm. All the simulation results imply that the proposed technique is very much efficient.
关键词Non-stationary signals sparse S-transform (SST) scaling method fuzzy decision tree pattern classification.
DOI10.1007/s11633-018-1113-3
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/42346
专题学术期刊_Machine Intelligence Research
作者单位Multidisciplinary Research Cell, Siksha O Anusandhan University, Khandagiri Square, Bhubaneswar 751030, India
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N. R. Nayak,P. K. Dash,R. Bisoi. A Hybrid Time Frequency Response and Fuzzy Decision Tree for Non-stationary Signal Analysis and Pattern Recognition[J]. International Journal of Automation and Computing,2019,16(3):398-412.
APA N. R. Nayak,P. K. Dash,&R. Bisoi.(2019).A Hybrid Time Frequency Response and Fuzzy Decision Tree for Non-stationary Signal Analysis and Pattern Recognition.International Journal of Automation and Computing,16(3),398-412.
MLA N. R. Nayak,et al."A Hybrid Time Frequency Response and Fuzzy Decision Tree for Non-stationary Signal Analysis and Pattern Recognition".International Journal of Automation and Computing 16.3(2019):398-412.
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