一个静态的模拟电路,用于一个圆形的压电单形变频器及其低频辐射阻抗
Tim Mellow1, Jamie Chilles2, Venkata Vijay Dontu2
1Mellow Acoustics Limited, 42 Hale Road, Farnham GU9 9QH, United Kingdom.
The Journal of the Acoustical Society of America
|May 5, 2025
概括
本研究介绍了圆形压电单形传感器的分析公式,详细介绍了它们作为压力传感器和执行器的性能. 这项研究探讨了扭曲刚性如何影响移位,并为这些设备开发了类似的电路.
科学领域:
- 压电变频器技术 压电变频器技术
- 机械和电气工程 机械和电气工程
- 材料科学 材料科学 材料科学
背景情况:
- 圆形压电单形传感器利用与基板结合的压电层,使电气连接成为可能.
- 基板边缘的边界条件,特别是扭曲刚度,显著影响传感器的行为.
- 了解这些传感器对于开发先进的传感器和执行器至关重要.
研究的目的:
- 为循环压电单形传感器的静态位移和诱导电压/电荷得出分析公式.
- 为了研究传感器在不同条件下作为压力传感器和执行器的性能.
- 开发用于模拟传感器和执行器功能的低频类型电路.
主要方法:
- 对静态位移和诱导电压/电荷的分析公式的推导.
- 对边界条件的分析,包括简单支 (零度) 和紧 (无限度) 的边缘.
- 开发用于压力传感器和执行器模式的低频类型电路.
- 低频执行器远场压力和辐射阻抗的计算.
主要成果:
- 为静态位移和诱导电压/电荷建立了分析公式.
- 扭曲刚度对中心位移的影响被分析并绘制图.
- 低频电路模型成功地开发出了传感器和执行器功能.
- 导出了辐射阻抗,并为执行器绘制了图.
结论:
- 这项研究为圆形压电单形传感器提供了一个全面的分析框架.
- 由此得出的公式和电路能够准确预测传感器作为传感器和执行器的性能.
- 这些发现对于在各种应用中设计和优化压电器件非常有价值.
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