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Real-Time Assembly Support System with Hidden Markov Model and Hybrid Extensions

Author

Listed:
  • Arpad Gellert

    (Computer Science and Electrical Engineering Department, Lucian Blaga University of Sibiu, 550025 Sibiu, Romania)

  • Stefan-Alexandru Precup

    (Computer Science and Electrical Engineering Department, Lucian Blaga University of Sibiu, 550025 Sibiu, Romania)

  • Alexandru Matei

    (Computer Science and Electrical Engineering Department, Lucian Blaga University of Sibiu, 550025 Sibiu, Romania)

  • Bogdan-Constantin Pirvu

    (Industrial Engineering and Management Department, Lucian Blaga University of Sibiu, 550025 Sibiu, Romania)

  • Constantin-Bala Zamfirescu

    (Computer Science and Electrical Engineering Department, Lucian Blaga University of Sibiu, 550025 Sibiu, Romania)

Abstract

This paper presents a context-aware adaptive assembly assistance system meant to support factory workers by embedding predictive capabilities. The research is focused on the predictor which suggests the next assembly step. Hidden Markov models are analyzed for this purpose. Several prediction methods have been previously evaluated and the prediction by partial matching, which was the most efficient, is considered in this work as a component of a hybrid model together with an optimally configured hidden Markov model. The experimental results show that the hidden Markov model is a viable choice to predict the next assembly step, whereas the hybrid predictor is even better, outperforming in some cases all the other models. Nevertheless, an assembly assistance system meant to support factory workers needs to embed multiple models to exhibit valuable predictive capabilities.

Suggested Citation

  • Arpad Gellert & Stefan-Alexandru Precup & Alexandru Matei & Bogdan-Constantin Pirvu & Constantin-Bala Zamfirescu, 2022. "Real-Time Assembly Support System with Hidden Markov Model and Hybrid Extensions," Mathematics, MDPI, vol. 10(15), pages 1-21, August.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:15:p:2725-:d:878179
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    References listed on IDEAS

    as
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