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Portfolio analysis of a Lean Six Sigma production process

Author

Listed:
  • Eva Jordan

    (Kekon d.o.o)

  • Janez Kušar

    (University of Ljubljana)

  • Lidija Rihar

    (University of Ljubljana)

  • Tomaž Berlec

    (University of Ljubljana)

Abstract

Customers require short delivery times and high quality products. Both requirements of customers can only be met if a company switches from a classically organized to a Lean Six Sigma production. Based on a value stream analysis that shows the size of the lead time and of process efficiency, overall equipment effectiveness and process efficiency allow us to determine a leanness index of a production process. The paper shows a measured procedure for the leanness of the production process based on a two-step portfolio analysis, consisting of a portfolio analysis of leanness for a production system and of a Lean Six Sigma process. The value of the leanness index and sigma process value in fact show the leanness of a six sigma production process. Portfolio analyses of leanness of the production process and the leanness of the Six Sigma process are shown in an example of the production of cooling covers.

Suggested Citation

  • Eva Jordan & Janez Kušar & Lidija Rihar & Tomaž Berlec, 2019. "Portfolio analysis of a Lean Six Sigma production process," Central European Journal of Operations Research, Springer;Slovak Society for Operations Research;Hungarian Operational Research Society;Czech Society for Operations Research;Österr. Gesellschaft für Operations Research (ÖGOR);Slovenian Society Informatika - Section for Operational Research;Croatian Operational Research Society, vol. 27(3), pages 797-813, September.
    • Handle: RePEc:spr:cejnor:v:27:y:2019:i:3:d:10.1007_s10100-019-00613-4
    DOI: 10.1007/s10100-019-00613-4
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    References listed on IDEAS

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    Cited by:

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    2. Davorin Cimermančič & Janez Kušar & Tomaž Berlec, 2022. "A procedure for the introduction of leanness into a company," Central European Journal of Operations Research, Springer;Slovak Society for Operations Research;Hungarian Operational Research Society;Czech Society for Operations Research;Österr. Gesellschaft für Operations Research (ÖGOR);Slovenian Society Informatika - Section for Operational Research;Croatian Operational Research Society, vol. 30(3), pages 1019-1049, September.
    3. Andrej Kastrin & Janez Povh & Lidija Zadnik Stirn & Janez Žerovnik, 2021. "Methodologies and applications for resilient global development from the aspect of SDI-SOR special issues of CJOR," Central European Journal of Operations Research, Springer;Slovak Society for Operations Research;Hungarian Operational Research Society;Czech Society for Operations Research;Österr. Gesellschaft für Operations Research (ÖGOR);Slovenian Society Informatika - Section for Operational Research;Croatian Operational Research Society, vol. 29(3), pages 773-790, September.
    4. Janez Povh & Lidija Zadnik Stirn & Janez Žerovnik, 2019. "Editorial," Central European Journal of Operations Research, Springer;Slovak Society for Operations Research;Hungarian Operational Research Society;Czech Society for Operations Research;Österr. Gesellschaft für Operations Research (ÖGOR);Slovenian Society Informatika - Section for Operational Research;Croatian Operational Research Society, vol. 27(3), pages 597-599, September.
    5. Pilar I. Vidal-Carreras & Julio J. Garcia-Sabater & Juan A. Marin-Garcia, 2022. "Applying Value Stream Mapping to Improve the Delivery of Patient Care in the Oncology Day Hospital," IJERPH, MDPI, vol. 19(7), pages 1-18, April.

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