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Reliability Evolution of Elevators Based on the Rough Set and the Improved TOPSIS Method

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  • Jian Zhang
  • Xianli Zhao
  • Canmian Liu
  • Wei Wang

Abstract

Focusing on reliability evaluation of elevator equipment operation, this paper builds a model for reliability evaluation of elevator equipment. First, we analyze the factors influencing the reliability of elevators and extract the initial evaluation indicators from four macro-perspectives: people, management, equipment, and environment, to build the index system for reliability evaluation of elevator equipment. And, we reduce the indicator set to remove the unnecessary indicators by using the rough set and weight the reduced indicators according to expert opinions. Finally, on this basis, we combine the grey number theory with the TOPSIS method to build an improved TOPSIS evaluation model, to evaluate the reliability of elevators and determine the optimal ordering.

Suggested Citation

  • Jian Zhang & Xianli Zhao & Canmian Liu & Wei Wang, 2018. "Reliability Evolution of Elevators Based on the Rough Set and the Improved TOPSIS Method," Mathematical Problems in Engineering, Hindawi, vol. 2018, pages 1-8, July.
    • Handle: RePEc:hin:jnlmpe:4784965
    DOI: 10.1155/2018/4784965
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    Cited by:

    1. Daniel O. Aikhuele & Grace Ijele-Aikhuele, 2022. "Development of a hybrid reliability-centered model for escalator systems," International Journal of System Assurance Engineering and Management, Springer;The Society for Reliability, Engineering Quality and Operations Management (SREQOM),India, and Division of Operation and Maintenance, Lulea University of Technology, Sweden, vol. 13(2), pages 761-771, April.

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