To test the dynamic property, this pneumatic fatigue test system was identified by a recursive BP neural network.
为了考察该系统的动态性能，采用递归BP神经网络对该系统进行辨识。
The general problem in the fatigue test system that the amplitude and mean of load signal will be changed with test time and change of mechanical characters of specimens is analyzed.
分析了疲劳试验系统中存在的普遍问题，即试验载荷的峰值和均值随着试验时间和试件的机械性能变化而发生漂移。
The test results and the analysis conclusion have important value for the development of the fatigue design of units, the equipment maintenance, and the measuring system.
其测试结果与分析结论对于机组疲劳设计、设备维护和测试系统开发有重要意义。
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