Title
Kernel latent features adaptive extraction and selection method for multi-component non-stationary signal of industrial mechanical device.
Abstract
Heavy key mechanical devices relate to production quality and quantity of complex industrial process directly. It is necessary to estimate some difficulty-to-measure process parameters inside these devices. Multi-component and non-stationary mechanical signals, such as vibration and acoustic ones, are always employed to model these process parameters indirectly. How to effective extract and select interesting information from these signals is the key step to build effective soft sensor model. In this paper, a new kernel latent features adaptive extraction and selection method is proposed. Ensemble empirical mode decomposition (EEMD) is used to decompose these mechanical signals into multiple time scales sub-signals with different physical interpretations. These sub-signals are transformed to frequency spectra, and then kernel partial least squares (KPLS) algorithm is used to extract their kernel features. Integrated with mutual information (MI)-based feature selection method, a new define index is exploited to select the important sub-signals and their latent features adaptively. The shell vibration and acoustic signals of an experimental laboratory-scale ball mill in the mineral grinding process are used to validate the proposed approach.
Year
DOI
Venue
2016
10.1016/j.neucom.2016.07.043
Neurocomputing
Keywords
Field
DocType
Industrial mechanical device,Multi-component non-stationary mechanical signal,Process parameter estimation,Ensemble empirical mode decomposition (EEMD),Kernel partial least squares (KPLS),Feature extraction and feature selection
Kernel (linear algebra),Feature selection,Pattern recognition,Soft sensor,Stationary process,Mutual information,Artificial intelligence,Vibration,Imagination,Machine learning,Mathematics,Hilbert–Huang transform
Journal
Volume
Issue
ISSN
216
C
0925-2312
Citations 
PageRank 
References 
2
0.42
27
Authors
6
Name
Order
Citations
PageRank
Jian Tang1526148.30
zhuo liu272.52
Jian Zhang3397.75
Zhiwei Wu431.46
Tianyou Chai52014175.55
wen yu692.28