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- W2782074044 abstract "The dynamometer card is a main method to analyze downhole working conditions of the beam pumping unit in actual operation. For computer based diagnosis mode, a method based on 16-directions chain codes and K-means clustering is proposed in this paper. First, the 16-directions chain codes are used to recreate boundary contour curve of the dynamometer card; then seven feature vectors which can accurately describe regional characteristics of the curve are extracted; and finally, K-means clustering algorithm is used to determine the fault type. Simulation experiments verify that the proposed method has better effectiveness both in diagnosis accuracy and computation time." @default.
- W2782074044 created "2018-01-12" @default.
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- W2782074044 date "2017-10-01" @default.
- W2782074044 modified "2023-09-27" @default.
- W2782074044 title "Diagnose for downhole working conditions of the beam pumping unit based on 16-directions chain codes and K-means clustering method" @default.
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- W2782074044 doi "https://doi.org/10.1109/cac.2017.8244073" @default.
- W2782074044 hasPublicationYear "2017" @default.
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