Through study of the testing technique for oil feed circuit and designing principle of data fusion, the realization of fault test and diagnosis for hydraulic system was illustrated.
通过对液压系统供油回路的信号测试过程及信息融合方案的设计分析，阐明了液压系统故障检测和诊断的实现过程。
Fault diagnosis and maintenance technique for the hydraulic system of plastic-injection moulding machine are analytical from theory to practice in this paper.
文章从理论和实践方面对注塑机液压系统故障诊断与维修技术进行了分析研究。
With the analysis of the hydraulic system common fault features by fuzzy logical fault diagnosis theory, the parameter of the system has been determined, and the practical method has been provided.
结合模糊故障诊断理论对铣刨机液压系统常见故障特征进行了分析，确定了系统监测参数和诊断参数，给出了故障的诊断方法。
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