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Optimizing green design using ant colony-based approach
The International Journal of Life Cycle Assessment ( IF 4.8 ) Pub Date : 2019-12-18 , DOI: 10.1007/s11367-019-01717-4
C. Y. Ng , S. S. Lam , Samuel P. M. Choi , Kris M. Y. Law

Purpose In response to the increasing concerns on the environmental conservation and energy saving, manufacturers are more aware of proving the ‘green’ performance of their products. Some qualitative eco design tools are used to support the development of greener products; however, most of these tools require subjective judgement during the evaluation processes. This paper is therefore to propose an alternative approach that is objective, systematic and efficient, by integrating the ant colony optimization (ACO) and life cycle assessment (LCA), to facilitate the decision-making process. Methods The proposed integrative LCA-ACO approach aims to support the simultaneous thorough evaluations of multiple design options. A sequence of options of the lowest corresponding environmental impact value can be obtained. A case application example of various design combinations is presented to demonstrate the applicability of the proposed approach. Results and discussion The proposed approach offers decision makers a preliminary fast-track approach for screening decisions without lengthy processes of LCA studies. This approach helps the decision makers, especially during the early design selection stages, identifying the most appropriate design combination from the environmental perspective. The proposed approach is proved a significant contribution to the field of LCA and green product design. Conclusions Since full-scale LCA studies require significant effort in data collection processes and experts for result interpretations, it would be time consuming and costly to conduct a full-scale LCA during early product development processes. The proposed approach offers a more convenient way for decision makers to assess multiple design options regarding the environmental considerations. The case example presented in this paper proves the practicality of the proposed approach.

中文翻译:

使用基于蚁群的方法优化绿色设计

目的 为应对人们对环保和节能的日益关注,制造商更加注重证明其产品的“绿色”性能。一些定性生态设计工具用于支持更环保产品的开发;然而,这些工具中的大多数都需要在评估过程中进行主观判断。因此,本文提出了一种客观、系统和高效的替代方法,通过整合蚁群优化(ACO)和生命周期评估(LCA)来促进决策过程。方法 提议的综合 LCA-ACO 方法旨在支持同时对多个设计选项进行全面评估。可以得到对应环境影响值最低的一系列选项。提供了各种设计组合的案例应用示例,以证明所提出方法的适用性。结果和讨论 提议的方法为决策者提供了一种初步的快速通道方法来筛选决策,而无需冗长的 LCA 研究过程。这种方法有助于决策者,尤其是在早期设计选择阶段,从环境角度确定最合适的设计组合。所提出的方法被证明对 LCA 和绿色产品设计领域做出了重大贡献。结论 由于全面 LCA 研究需要在数据收集过程和结果解释专家方面付出大量努力,因此在早期产品开发过程中进行全面 LCA 研究将既费时又费钱。提议的方法为决策者提供了一种更方便的方式来评估有关环境考虑的多种设计选项。本文中的案例证明了所提出方法的实用性。
更新日期:2019-12-18
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