A Review of Kernel Methods for Feature Extraction in Nonlinear Process Monitoring
Open Access
- 22 December 2019
- Vol. 8 (1), 24
- https://doi.org/10.3390/pr8010024
Abstract
Kernel methods are a class of learning machines for the fast recognition of nonlinear patterns in any data set. In this paper, the applications of kernel methods for feature extraction in industrial process monitoring are systematically reviewed. First, we describe the reasons for using kernel methods and contextualize them among other machine learning tools. Second, by reviewing a total of 230 papers, this work has identified 12 major issues surrounding the use of kernel methods for nonlinear feature extraction. Each issue was discussed as to why they are important and how they were addressed through the years by many researchers. We also present a breakdown of the commonly used kernel functions, parameter selection routes, and case studies. Lastly, this review provides an outlook into the future of kernel-based process monitoring, which can hopefully instigate more advanced yet practical solutions in the process industries.Keywords
Funding Information
- Department of Science and Technology, Republic of the Philippines (Faculty Development Fund, Engineering Research for Development and Technology)
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