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旋转-直线型两自由度超声波电机建模与设计

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Keywords: 旋转-直线,两自由度,超声波电机,数学模型,优化设计,比对测试

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Abstract:

多自由度超声波电机具有机械集成度高、控制精度高和无电磁干扰等独特优势,在微型机器人、光学设备和精密装配等领域有着广阔的应用前景。为了提升旋转-直线型两自由度超声波电机的性能和效率,提出了基于复损耗系数的定子数学模型及结构优化方案在约定的边界条件下,以电机定子的两自由度输出性能为优化目标,以定子的结构参数为变量展开优化设计,并引入相对敏感系数来筛选核心优化参数。在综合比较各参数的影响后,制作多组样机进行比对测试,结果显示数学模型和实验数据的变化趋势基本一致,优化后的电机性能得到大幅提升。

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