介绍一种在J2EE环境下构建机械设备故障诊断专家系统的方案,使用Jess引擎作为核心推理模块,通过Web Service和OPC技术等多途径获取事实,采用数据库管理事实和规则,实现基于Web的机械设备故障诊断专家系统,使机械设备故障诊断系统融合领域专家的经验、智慧和方法,这对于保证设备安全运行具有重大意义.%A scheme about how to build a fault diagnosis expert system for machinery in J2EE environment is introduced, which realizes a fault diagnosis expert system for machinery based on Web by using Jess engine as the core reasoning module, acquiring data via different ways such as Web Service and OPC techniques, and adopting the database to manage expert knowledge base. The scheme also adds the experts' experience, wisdom and methods into the fault diagnosis expert system for machinery. It makes great significance for ensuring the safe operation of equipments.
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