摘要
从D-S证据理论的基本概念和融合推理方法出发,构造了符合故障诊断特点的基本可信度分配,建立了多故障特征信息融合诊断框架,并将其应用于液压泵故障诊断,实例表明该方法能有效提高诊断可信度,充分显示了该诊断方法的有效性。
Starting with the basic conception and fusion reasoning method of Dempster-Shafer evidential theory. It is proposed to a basic probability assignment method of according with fault diagnosis characteristic. Multi-fault characteristic information fusion diagnosis frame is constructed and applied in the faih diagnosis of the hydraulic pump. It is shown that the method is effectively to improve the reliability of the diagnosis. So the fault diagnosis method proves highly effective.
出处
《液压气动与密封》
2008年第3期14-16,共3页
Hydraulics Pneumatics & Seals
基金
淮阴工学院科研基金(HG0521)
关键词
D-S证据理论
故障诊断
基本可信度分配
D-S evidential theory
fault diagnosis
basic possibility assignment