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。
The thesis come from the analysis of stationary type tri-oil wedge dynamic-pressure sliding bearing dynamic working condition, analyse its elements and stress in variable-load operating mode.
本研究从固定式三油楔动压滑动轴承动态工作状况分析入手，分析了固定三油楔动压滑动轴承的原理以及变载荷工况下的受力状态；
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。
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