关键词: 多Agent, 特征降维, D-S证据理论, 可信度分配矩阵

Abstract: Introduction of Multi-Agent parallel reasoning and independent solving mechanism can improve the accurate rate of fault diagnosis system.Feature extraction is used to reduce dimension and generate sub-tasks for Agents with corresponding abilities.However，in most cases the conclusions given by different diagnosis Agents will be different.In order to solve the problem，D-S evidence theory is applied to integrate conclusions given by multiple agents as multi-source evidence.Information credibility distribution matrix is introduced to denote Agent capacity in integration process.Finally，a diagnosis of examples is given to validate the method and simulation experiments verify the effectiveness of this method.

Key words: multiagent, feature dimension reduction, D-S evidence theory, credibility distribution matrix