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Circular Lean?Six Sigma 4.0: A Framework for Sustainable Manufacturing and Operational Resilience

Eduardo Nunes da Silva

Subject area: Science,Engineering and Technology  ·  Area of research: Engineering

Abstract

The Circular Lean?Six Sigma 4.0 (CLSS 4.0) framework represents a novel approach to sustainable manufacturing by integrating Lean principles, Six Sigma methodologies, and circular economy strategies under the enabling infrastructure of Industry 4.0 technologies. This model extends beyond traditional efficiency and quality improvement, positioning waste not only as inefficiency but also as a loss of resources that could be reintegrated into value chains. By combining Lean?s focus on eliminating non-value-adding activities, Six Sigma?s data-driven methods for reducing variability, and circular practices such as remanufacturing and resource recovery, CLSS 4.0 creates a foundation for operational resilience and ecological sustainability. Industry 4.0 tools, including IoT, artificial intelligence, and blockchain, enhance this integration by enabling real-time monitoring, predictive analytics, and trusted data sharing across supply chains. The findings highlight that CLSS 4.0 can simultaneously deliver cost efficiency, resource preservation, and long-term competitiveness, offering a holistic framework for industries aiming to align operational excellence with sustainability and resilience goals.

Keywords

Circular Lean Six Sigma; CLSS 4.0; Sustainable Manufacturing; Operational Resilience; Industry 4.0; Circular Economy; Lean Management; Six Sigma; Process Improvement; Digital Transformation.

References

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How to cite this paper

Eduardo Nunes da Silva "Circular Lean?Six Sigma 4.0: A Framework for Sustainable Manufacturing and Operational Resilience" Iconic Research And Engineering Journals Volume 9 Issue 3 2025 Page 972-975
Eduardo Nunes da Silva "Circular Lean?Six Sigma 4.0: A Framework for Sustainable Manufacturing and Operational Resilience" Iconic Research And Engineering Journals, vol. 9, no. 3, Sep. 2025
Eduardo Nunes da Silva (2025). Circular Lean?Six Sigma 4.0: A Framework for Sustainable Manufacturing and Operational Resilience. Iconic Research And Engineering Journals, 9(3).
Eduardo Nunes da Silva "Circular Lean?Six Sigma 4.0: A Framework for Sustainable Manufacturing and Operational Resilience" Iconic Research And Engineering Journals, vol. 9, no. 3, Sep. 2025.
@article{1710476,
      author = {Eduardo Nunes da Silva },
      title = {Circular Lean?Six Sigma 4.0: A Framework for Sustainable Manufacturing and Operational Resilience},
      journal = {Iconic Research And Engineering Journals},
      year = {2025},
      volume = {9},
      number = {3},
      pages = {972-975},
      issn = {2456-8880},
      url = {https://www.irejournals.com/formatedpaper/1710476.pdf},
      abstract = {The Circular Lean?Six Sigma 4.0 (CLSS 4.0) framework represents a novel approach to sustainable manufacturing by integrating Lean principles, Six Sigma methodologies, and circular economy strategies under the enabling infrastructure of Industry 4.0 technologies. This model extends beyond traditional efficiency and quality improvement, positioning waste not only as inefficiency but also as a loss of resources that could be reintegrated into value chains. By combining Lean?s focus on eliminating non-value-adding activities, Six Sigma?s data-driven methods for reducing variability, and circular practices such as remanufacturing and resource recovery, CLSS 4.0 creates a foundation for operational resilience and ecological sustainability. Industry 4.0 tools, including IoT, artificial intelligence, and blockchain, enhance this integration by enabling real-time monitoring, predictive analytics, and trusted data sharing across supply chains. The findings highlight that CLSS 4.0 can simultaneously deliver cost efficiency, resource preservation, and long-term competitiveness, offering a holistic framework for industries aiming to align operational excellence with sustainability and resilience goals.},
      keywords = {Circular Lean Six Sigma; CLSS 4.0; Sustainable Manufacturing; Operational Resilience; Industry 4.0; Circular Economy; Lean Management; Six Sigma; Process Improvement; Digital Transformation.},
      month = {September},
  }