In feature level fusion, all kinds of information is being synthesized in fault diagnosis so as to obtain the integration of the running and faulty state, a method of which dada fusion is used in fault diagnosis is provided .

• 在特征级处理中,针对设备故障诊断应充分利用各种信息获得关于系统运行状态和故障状况的综合评价的特点,提出了将数据融合技术用于实现对设备的故障诊断;