| 脉冲压力条件下PVDF压电薄膜的动态响应特性 |
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| 引用本文： | 袁人枢,隋世群. 脉冲压力条件下PVDF压电薄膜的动态响应特性[J]. 仪表技术与传感器, 2011, 0(8) |
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| 作者姓名： | 袁人枢 隋世群 |
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| 作者单位： | 南京理工大学机械工程学院,江苏南京,210094 |
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| 摘 要： | 通过脉冲压力发生装置产生脉冲压力,研究PVDF压电薄膜的动态特性.使用PVDF压电薄膜制作一种测试脉冲压力的传感器,借助标准压阻传感器,测得PVDF压力传感器的灵敏度,计算出灵敏度的不确定度,并将PVDF压力传感器的线性度与压电传感器和压阻传感器作出对比,发现PVDF压力传感器输出稳定.通过比较PVDF压力传感器和标准的压阻传感器输出信号在时域和频域上的相关参数,证实PVDF压电薄膜具备测试动态压力的能力.
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| 关 键 词： | PVDF 脉冲压力 灵敏度 动态特性 |
Dynamic Response of PVDF Thin Film under Pulse Pressure |
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| YUAN Ren-shu,SUI Shi-qun. Dynamic Response of PVDF Thin Film under Pulse Pressure[J]. Instrument Technique and Sensor, 2011, 0(8) |
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| Authors: | YUAN Ren-shu SUI Shi-qun |
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| Affiliation: | YUAN Ren-shu,SUI Shi-qun(Nanjing University of Science & Technology,Nanjing 210094,China) |
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| Abstract: | The pulse pressure was generated by a pulse pressure producer to study the dynamic characteristics of PVDF piezoelectric film.A kind of pressure gauge was made by PVDF thin film,and then the sensitivity of PVDF pressure sensor was measured with the help of the standard piezoresistive transducer.The uncertainty of the sensitivity of PVDF was calculated.The output of PVDF pressure sensor is stable by comparing the nonlinearity of PVDF pressure sensor with the the nonlinearity of standard piezoelectric and pie... |
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| Keywords: | PVDF pulse pressure sensitivity dynamic characteristic |
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