关键词: 方案评价, 产品服务系统, 二元语义, 多粒度语义, 组合效应

Abstract: Aiming at the evaluation problem of Product Service System (PSS) consisted of product modules and service modules,a PSS evaluation approach involving module evaluation and combinatorial effect evaluation among modules was researched by considering the problem that the traditional multi-criteria decision-making approaches could not deal with the combinatorial effect between product and service.The 2-tuple linguistic expression model was adopted to deal with the experts'uncertain evaluation information,and a fusion approach for managing the multi-granularity linguistic information was proposed.The integrated module evaluation data was determined according to the objective weights of experts.The initial PSS concepts'evaluation values were calculated by taking the subjective and objective weights of modules into account,and they were modified by the matrix reflecting the combinatorial effect among product modules and service modules.A case study of configuration concepts evaluation for excavator PSS was presented to illustrate the effectiveness of the proposed approach.

Key words: concept evaluation, product service system, 2-tuple linguistic, multi-granularity linguistic, combinatorial effect