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-  2018 


DOI: 10.13543/j.bhxbzr.2018.02.010

Keywords: 叶片,磁场分析,优化设计,动力响应,
,magnetic field analysis,optimal design,dynamic response

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Abstract:In order to monitor the instability flutter of a warning blade and prevent accidents caused by the blade flutter, an experimental device to model the flutter instability of a blade resulting from electromagnetic forces has been designed and studied. First, the electromagnetic field was analyzed by ANSYS. The optimal electromagnetic force was used as the optimization objective to optimize the structure. Then by analyzing the change of the exciting force when the blade passes through a single set of magnetic poles, the behavior of the blade was simulated and modeled by harmonic response analysis. The results show that the excitation device developed in this work can control the different electromagnetic forces and thus provide a realistic simulation of the vane instability flutter process.


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