地铁车辆牵引电机定子模态分析与试验验证
Electric Locomotives & Mass Transit Vehicles(2023)
Abstract
电机定子固有频率及其模态特性的研究对于抑制电机噪声至关重要.文章以某地铁车辆牵引电机为例,基于多自由度振动系统模态分析理论,对电机定子进行了模态分析;应用锤击法进行模态试验时,采用圆桶型测试布点方式,获取了电机的振动模态和固有频率,优化了材料参数.通过对比分析模态仿真和试验结果,验证了有限元仿真的准确性.
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