| 基于PVDF传感器的高速圆度测量系统 |
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| 引用本文： | 孔明,周洋,程琦,董盈钧.基于PVDF传感器的高速圆度测量系统[J].仪表技术与传感器,2011(5). |
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| 作者姓名： | 孔明 周洋 程琦 董盈钧 |
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| 作者单位： | 中国计量学院计量测试工程学院,浙江杭州,310018 |
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| 摘 要： | 针对机械加工行业圆度测量高速高效的要求,设计了一种基于聚偏氟乙烯(PVDF)压电薄膜的压电式位移传感器的高速圆度测量系统,利用此传感器高频响、高灵敏度、高信噪比的优势,通过与电荷放大器相结合,实现高速圆度测量.通过实验可知PVDF传感器测量频率响应在1200Hz以上,谐振峰频率在3000 Hz左右,解决了电感传感器在高速圆度测量中测量结果出现失真的问题.测量数据分析结果表明,此系统圆度测量误差可达到1 μm以内.多次测量证明,该系统测量结果重复性好、可信性高.
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| 关 键 词： | 聚偏氟乙烯 圆度 测量仪 传感器 |
High-speed Roundness Measurement System Based on PVDF Film Transducer |
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| KONG Ming,ZHOU Yang,CHENG Qi,DONG Ying-jun.High-speed Roundness Measurement System Based on PVDF Film Transducer[J].Instrument Technique and Sensor,2011(5). |
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| Authors: | KONG Ming ZHOU Yang CHENG Qi DONG Ying-jun |
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| Affiliation: | KONG Ming,ZHOU Yang,CHENG Qi,DONG Ying-jun(College of Metrological Technology and Engineering,China Ji Liang University,Hangzhou 310018,China) |
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| Abstract: | For the demands of high speed and efficiency of on-line measurement of roundness in machining industry,a kind of high-speed roundness measurement system based on the piezoelectric displacement transducer that used the PVDF film was developed.It can achieve the goal of high-speed roundness measurement by combining with charge amplifier and taking advantages of transducer such as the high frequency,sensitivity and signalto-noise ratio.The experiment results indicated that the measuring frequency response of t... |
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| Keywords: | PVDF roundness error measuring instrument transducer |
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