关键词: 云制造, 中小企业, 多主体, 信用评价体系, 粗糙集

Abstract: Under the cloud manufacturing environment,manufacturing resource service trade mode of small and medium-sized enterprises was characterized by multi-agent and dynamic,as well as each service subject credit rating was different from E-commerce mode such as B2B,which had higher complexity and uncertainty.To deal with this problem,small and medium-sized enterprises credit rating index system under cloud manufacturing environment was established based on credit risk theory and service science theory,which included medium-sized and small enterprises platform access's credit qualification rating and real-time dynamic evaluating of credit qualification for service trade.A comprehensive,scientific and effective multi-agent credit rating system was constructed by introducing rough set and Analytic Hierarchy Process(AHP)combinatorial rating method.Based on the study results,cloud manufacturing service platform credit rating module of small and medium-sized enterprises was designed and developed.Through the credit rating case of automobile die industrial chain in small and medium-sized enterprises,the correctness and effectiveness of proposed method were verified.

Key words: cloud manufacturing, small and medium-sized enterprises, multi-agent, credit evalution system, rough set