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Towards Productive and Ergonomic Order Picking: Multi-Objective Modeling Approach

B. Gajšek,Simona Šinko,Tomaž Kramberger,Marcin Butlewski,Eren Özceylan,Goran Đukić

Published 2021 in Applied Sciences

ABSTRACT

The logistics sector should strive for sustainability alongside productivity by protecting its order pickers’ health and welfare. Existing storage assignment models are mainly based on the criterion of order picking time and, to a lesser extent, the human factor. In the paper, a solution to a storage assignment problem using a multi-objective model based on binary integer linear programing is presented by developing a solution that considers order picking time, energy expenditure and health risk. The Ovako Working Posture Assessment System (OWAS) method was used for health risk assessment. The downside of solely health risk-optimization is that the average order picking time increases by approximately 33% compared to solely time-optimization. Contrary to this, the developed multi-objective function emphasizing time has proven to be promising in finding a compromise between the optimal order picking time and eliminating work situations with a very-high risk for injuries. Its use increases the time by only 3.8% compared to solely time-optimization while significantly reducing health risk.

PUBLICATION RECORD

  • Publication year

    2021

  • Venue

    Applied Sciences

  • Publication date

    2021-05-04

  • Fields of study

    Business, Engineering, Environmental Science, Computer Science

  • Identifiers
    DOI 10.3390/APP11094179
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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