探讨了BP神经网络用于液压设备故障诊断专家系统的可行性。
At last the feasibility of using BP ANN in the fault diagnosis expert system of hydraulic power system is discussed.
卡杆现象是穿孔设备常见的故障之一，是影响液压凿岩钻机高效率、高质量穿孔的重要原因。
The sticking steel is one common trouble of drilling equipment and an important cause effecting the high efficiency and high quality drilling of hydraulic drill.
文章分析了导致设备出现故障的几种液压设计缺陷，并提出了改进方案。
This paper analyzed some hydraulic pressure design defects that cause the equipment breakdown, and proposed the improvement program.
任何工程机械式液压设备使用时出现故障是不可避免的。
At the usage of any engineering machine type hydraulic equipments, meeting some malfunction is ineluctable.
旧式电炉电极横臂及附属液压系统、电气控制系统的合理设计改造，既能减少设备故障。
With the reform to electric-pole horizontal arm including its hydraulic system and electric control system in old electric furnace the equipment breakdown can be reduced.
熟悉组装设备的机械，电气，气压，液压原理并能够指导技术员解决设备故障。
Familiar with pneumatic, hydraulic and electrical machines and capable to guild technicians to solving machine faults.
在液压设备的状态监测与故障诊断中，数据采集系统提供设备的运行状态数据，其采集技术水平直接影响诊断结果。
It offers data for equipment running in the course of monitoring and fault diagnosis of hydraulic device. And the result of diagnosis is directly depended on the acquisition technique.
机械设备液压系统的故障表现形式多种多样，而故障的产生是多种因素综合作用的结果。
The fault form in mechanical equipment hydraulic system is various, fault is the result of various factor comprehensive action.
由于进行优化设计，并对破碎机进行液压保护，其设备故障率大大降低，在正常使用情况下，设备无故障率将超过85%。
Due to the optimizing design and hydraulic protection of this crusher, the rate of trouble has been highly reduced, and the rate of non-trouble operation can be expected to exceed 85%.
结果表明利用神经网络能有效地解决液压设备的故障诊断问题。
A neural network is trained and tested by the vibration power spectrum of the hydraulic pump and the results show the validity of the neural network diagnosis.
而对于在野外田间或生产现场出现故障的液压车辆和设备，可以利用便携式测试仪，快速的测量出系统的压力、流量、功率等主要参数，进而可判断出究竟是哪一个液压元件出现了故障。
For the hydraulic vehicle and equipment been wrong in field, the pressure, the flow, the power and so on were test with portable test instrument. The wrong hydraulic component was found.
而对于在野外田间或生产现场出现故障的液压车辆和设备，可以利用便携式测试仪，快速的测量出系统的压力、流量、功率等主要参数，进而可判断出究竟是哪一个液压元件出现了故障。
For the hydraulic vehicle and equipment been wrong in field, the pressure, the flow, the power and so on were test with portable test instrument. The wrong hydraulic component was found.
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