Lean-Driven Sustainable Engineering Enhanced by TRIZ: A Conceptual Approach to Waste Elimination in Manufacturing System Laboratory

Uly Amrina; Hendi Herlambang; Galang Persada Nurani Hakim; Irkham Syifaul Qulub; Lutfi Saputro

doi:10.37385/z8fge021

Authors

Uly Amrina Universitas Mercu Buana
Hendi Herlambang Universitas Mercu Buana
Galang Persada Nurani Hakim Universitas Mercu Buana
Irkham Syifaul Qulub PT JST Indonesia
Lutfi Saputro Universitas Mercu Buana

DOI:

https://doi.org/10.37385/z8fge021

Keywords:

lean manufacturing, TRIZ, sustainable engineering, waste elimination, laboratory

Abstract

Manufacturing system laboratories are essential in engineering education, however, existing laboratory-scale equipment often exhibits long cycle times, high energy consumption, poor ergonomics, and limited integration of sustainability principles. Prior studies generally address lean manufacturing, TRIZ-based innovation, or sustainable engineering separately, leaving a gap in a unified framework tailored for laboratory environments. This study aims to develop an integrated lean-driven sustainable engineering framework enhanced by TRIZ to systematically eliminate waste in a manufacturing system laboratory. A conceptual–experimental approach was adopted by combining lean waste analysis, TRIZ-based technical contradiction resolution, and sustainable engineering principles to redesign a modular Heating–Vacuum–Trimming (HVT) system. The proposed system was evaluated through prototyping and laboratory testing. The results demonstrate a reduction in process cycle time of up to 33% and a decrease in electrical energy consumption of approximately 16% compared to conventional equipment. From a practical perspective, the framework enables the development of modular, ergonomic, and energy-efficient laboratory tools that improve operational efficiency. From a theoretical perspective, this study extends the integrated application of lean manufacturing, TRIZ, and sustainable engineering into a cohesive framework suitable for laboratory-scale manufacturing systems. The proposed approach offers transferability.

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