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| 液氮温区下应变式位移传感系统测量性能的研究 | |
| 引用本文： | 陈鹏,戴银明,张泉,王秋良. 液氮温区下应变式位移传感系统测量性能的研究[J]. 低温与超导, 2009, 37(9) |
| 作者姓名： | 陈鹏 戴银明 张泉 王秋良 |
| 作者单位： | 中国科学院应用超导重点实验室,中国科学院电工研究所,北京,100080;中国科学院研究生院,北京,100039;中国科学院应用超导重点实验室,中国科学院电工研究所,北京,100080 |
| 摘 要： | 文中研究了一种应变式位移传感系统在室温和液氮温度下的静态传输特性。实验结果表明,该系统在液氮温区下具有良好的输出特性,系统非线性度低于1%,滞环率低于5%,其灵敏系数与温度相关,293K和77K温度下的灵敏系数分别为-0.3654mV/V/mm和-0.3886mV/V/mm。实验结果为该位移传感系统在低温环境中的应用提供了一定基础。 |
| 关 键 词： | 应变式传感器 微位移 液氮温度 |
Study on measurement characteristics of strain type displacement transducer at liquid nitrogen temperature |
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| Chen Peng,Dai Yinming,Zhang Quan,Wang Qiuliang. Study on measurement characteristics of strain type displacement transducer at liquid nitrogen temperature[J]. Cryogenics and Superconductivity, 2009, 37(9) | |
| Authors: | Chen Peng Dai Yinming Zhang Quan Wang Qiuliang |
| Affiliation: | 1.Key Laboratory of Applied Superconductivity;Chinese Academy of Sciences Institute of Electrical Engineering;Chinese Academy of Sciences;Beijing 100080;China;2.Graduate School of the Chinese Academy of Sciences;Beijing 10039;China |
| Abstract: | This paper presents the investigations of a strain type displacement transducer system applied in room temperature and liquid nitrogen temperature respectively,and the static transmission properties of this system were studied.The test results show that this strain type displacement transducer system has good output properties at liquid nitrogen temperature,the non-linearity is below 1%,the hysteresis is below 5%,and the sensitivity is temperature dependent,which is-0.3654mV/V/mm and-0.3886mV/V/mm at 293K a... |
| Keywords: | Strain type transducer Micro-displacement Liquid nitrogen temperature |
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