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一个基于直接波路的元素定位算法,以实现灵活的超声波阵列成像.

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一个新的算法准确地确定了在未知表面上的灵活超声波阵列元素位置. 这种方法通过优化阵列定位以更好地获取数据来改进相位阵列超声波成像.

关键词:
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科学领域:

  • 非破坏性测试是指非破坏性测试.
  • 超声波成像 超声波成像
  • 机器人和自动化机器人与自动化

背景情况:

  • 灵活的超声波阵列对于检查复杂几何形状至关重要.
  • 精确的元素定位对于可靠的超声波成像至关重要.
  • 当前的方法与未知或可变的表面几何学作斗争.

研究的目的:

  • 开发和验证一个算法来确定超声波阵列元素的位置在未知几何的表面上.
  • 将这种定位算法与相位阵列超声波成像技术集成在一起.
  • 用全矩阵捕获的总聚焦方法来证明算法的有效性.

主要方法:

  • 开发了一种算法来计算数组元素之间的直接波径旅行时间.
  • 旅行时间数据被用作优化方案的输入,以确定相对数组元素位置.
  • 确定的元素位置被集成到相位阵列超声波成像算法中.
  • 采用全矩阵捕获的全焦方法作为验证的测试台.

主要成果:

  • 该算法成功地确定了超声波阵列元素在未知几何形状的表面上的相对位置.
  • 整合本地化算法提高了分相阵列超声波成像的准确性.
  • 模拟和实验数据证实了算法的有效性和稳定性.

结论:

  • 开发的算法为在复杂表面上定位灵活的超声波阵列提供了强大的解决方案.
  • 这种本地化技术提高了分相阵列超声波成像系统的性能.
  • 该方法具有先进的非破坏性测试和检查应用的巨大潜力.