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Modal-model applications for large energetic machines

机译：大型能量机的模态模型应用

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摘要

Modal models are commonly encountered forms of dynamic characterization of mechanical structures. They are applied in machine-condition diagnosing as well as in monitoring processes. In research practice the most frequently applied method is Experimental Modal Analysis, and in exploitation - Operational Modal Analysis. Difficulties associated with the EMA and OMA have contributed to the increase of OMAX model applications, especially in case of energetic machines. Theoretical assumptions related with modal analysis are very strong. In reality when big and heavy structures are considered often those assumptions are not fulfilled. In the paper such situations are considered and practical solutions are showed.
机译：模态模型是机械结构动态表征的常见形式。它们适用于机器状态诊断以及监视过程。在研究实践中，最常用的方法是实验模态分析，而在开发中-操作模态分析。与EMA和OMA相关的困难导致了OMAX模型应用程序的增加，尤其是在高能机器的情况下。与模态分析有关的理论假设非常强大。实际上，当考虑大型和重型结构时，通常无法满足这些假设。本文考虑了这种情况，并给出了实际的解决方案。

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