The experiment shows that the HMM wavelet can make the effective diagnosis for various faults of rolling bearings operating under the condition of variable speed and load or unknown speed.
试验证明，小波- HMM可以在变转速变载荷工况下以及未知转速情况下对滚动轴承的各种故障有效地进行诊断。
Load system of the large scale power plant's unit as well, is a multi-variable nonlinear dynamic system, and the dynamic characteristic will change with the different operating condition.
同样，大型火电机组的负荷系统是一个多变量非线性动态系统，它的动态特性随工况的变化而大范围变化。
Therefore, study the reasonable reduction methods of variable load value for operating platform in Aluminum Potroom have great meaning on design of this kind of structures.
因此，研究铝电解车间操作平台可变荷载的合理折减方法，对这类结构的合理设计具有重要意义。
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