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智能多代理者系统(MAS)为电子设备的故障定位和诊断提供了一种新的分析和求解思路。本文展示了应用MAS体系结构设计和实现的智能故障诊断系统——MDIDS。文章首先介绍MDIDS系统的数据结构——分为三个层次的代理者群体,给出了系统中代理者的知识表示。然后说明MDIDS使用的诊断推理算法,并提出了一种新的基于估价函数的故障状态空间搜索算法。该算法能够实现对复杂电路的快速故障定位。文章最后总结了MDIDS系统的特点和将来的工作。
MAS (Multi Agent System) provides a new analysis and solution for the fault location and diagnosis of electronic equipment. This article shows the application of MAS architecture design and implementation of intelligent fault diagnosis system - MDIDS. The article first introduces the data structure of MDIDS system - it is divided into three levels of agent groups, and the knowledge representation of agents in the system is given. Then, the diagnostic reasoning algorithm used by MDIDS is illustrated and a new fault state space search algorithm based on valuation function is proposed. The algorithm can achieve fast fault location of complex circuits. Finally, the article summarizes the characteristics of the MDIDS system and future work.