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Study on Discrete Manufacturing Quality Control Technology Based on Big Data and Pattern Recognition

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  • Chen Xin-chun
  • Ding Peng
  • Yan Nai-qing
  • Bi Meng-xue

Abstract

Aiming at the quality control problems in the discrete manufacturing process of large and superlarge equipment, which cannot meet the urgent needs of production, a quality control method based on big data and pattern recognition is proposed. A large amount of data is collected through the test equipment developed in the discrete manufacturing process; a database of typical working conditions and an information tracking system relying on the cloud platform were formed. The working conditions were divided by the principal component analysis (PCA) and improved K-means algorithm. The Markov prediction model predicts the working conditions, recognizes the pattern with typical working conditions, regulates the processing parameters, and achieves quality control. Taking the quality control of the hydraulic cylinder manufacturing process above 5 m as an example for experimental verification, the experiments indicated that working conditions can be automatically identified and classified through pattern recognition technology. The process capability index Cpk increased from 0.6 to 1, which proved the effectiveness of quality control and the improvement of processing capabilities.

Suggested Citation

  • Chen Xin-chun & Ding Peng & Yan Nai-qing & Bi Meng-xue, 2021. "Study on Discrete Manufacturing Quality Control Technology Based on Big Data and Pattern Recognition," Mathematical Problems in Engineering, Hindawi, vol. 2021, pages 1-10, February.
    • Handle: RePEc:hin:jnlmpe:8847094
    DOI: 10.1155/2021/8847094
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