Abstract
Cyber-physical systems (CPS) have opened up a wide range of opportunities in terms of performance analysis that can be applied directly to the machine tool industry and are useful for maintenance systems and machine designers. High-speed communication capabilities enable the data to be gathered, pre-processed and processed for the purpose of machine diagnosis. This paper describes a complete real-world CPS implementation cycle, ranging from machine data acquisition to processing and interpretation. In fact, the aim of this paper is to propose a CPS for machine component knowledge discovery based on clustering algorithms using real data from a machining process. Therefore, it compares three clustering algorithms –k-means, hierarchical agglomerative and Gaussian mixture models– in terms of their contribution to spindle performance knowledge during high throughput machining operation.
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