Multiple Attribute Decision Making on Green Materials Based on Life Cycle Assessment
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摘要: 绿色材料的选择是绿色设计及绿色制造的重要内容之一。绿色材料的选择首先必须进行生命周期评价。基于并行设计的思想,把材料的选择同最终材料的回收处理方法结合起来组成组合系列。基于改进的灰色相似性灰关联度计算相似性贴近度,基于理想点法(TOPSIS)计算距离贴近度,基于集成贴近度应该距相似贴近度的偏差和距离贴近度的偏差和最小的原则建立非线性规划模型,求出集成贴近度。按集成贴近度的大小对组合系列排序。通过一个实例详细说明了决策的过程,并通过与其它决策方法比较进一步说明了该方法的优越性。最后指出了基于生命周期评价的绿色材料决策面临的两个主要问题。Abstract: In the field of green design and manufacturing, one of the important contents is how to select the best green material among the feasible solutions. Life cycle assessment (LCA) was above all implemented. According to the idea of concurrent design, not only the properties of candidate materials but also the recycling methods to be taken should simultaneously be considered. This paper derived similarity close degree (SCD) with improved grey incidence analysis, while with the technique for order preference by similarity to ideal solution (TOPSIS) distance close degree (DCD) could be derived, and the integration close degree (ICD) could further be derived with the nonlinear pro-gramming model based ori the concept of the minimum deviation between the ICD and SCD and between it and DCD. And combination series were ranked according to ICD. An illustrative example was given to demonstrate the whole process of decision making, and to verify the advantages in comparison with the other methods of decision making. Finally, this work presents two problems to be solved in decision making on green materials based on LCA.
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