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乐橙磁致伸缩位移传感器检测信号分析

发布日期:2021-04-23 19:35

  磁致伸缩位移传感器检测信号分析_电子/电路_工程科技_专业资料。实验研究了磁致伸缩位移传感器的探测电压信号,以便提高磁致伸缩位移传感器的检测精度.分析和验证了波导丝材料、驱动脉冲电流、检测线圈等参数对磁致伸缩位移传感器输出电压的影响规律.对检测线圈进行了优化设计,基于实验数据确定了传感器的各项参数值.实验发现磁致伸缩系数大、魏德曼效应

  第24卷第2期 2016年2月 光学精密 工程 Optics and Precision Engineering V01.24 No.2 Feb.2016 文章编号 1004—924X(2016)02—0358—07 磁致伸缩位移传感器检测信号分析 王博文+,张露予,王 鹏,李 恒,史瑞雪,孙 英,翁 玲 (河北工业大学电磁场与电器可靠性省部共建重点实验室,天津300130) 摘要:实验研究了磁致伸缩位移传感器的探测电压信号,以便提高磁致伸缩位移传感器的检测精度。分析和验证了波导 丝材料、驱动脉冲电流、检测线圈等参数对磁致伸缩位移传感器输出电压的影响规律。对检测线圈进行了优化设计,基 于实验数据确定了传感器的各项参数值。实验发现磁致伸缩系数大、魏德曼效应显著的Fe-Ga材料作为波导丝,可明显 提高电一磁一机械能的转换效率,获得较大的检测电压信号。研制了新型Fe-Ga波导丝磁致伸缩位移传感器样机,并与 Fe-Ni波导丝传感器进行了性能对比。结果表明,与Fe—N;波导丝相比.Fe-Ga波导丝磁致伸缩位移传感器的检测信号 明显增强,信噪比显著提高,其检测电压信号幅值比Fe—Ni波导丝检测电压信号幅值提高了40 mV,相应的传感器精度 提高了2倍。 关键词:位移传感器;磁致伸缩;Fe-Ga材料;波导丝 中图分类号:TP212.1 2 文献标识码:A doi:10.3788/OPE.20162402.0358 Analysis of detection si gna’forgnal r magnetl ost。ri‘ct。l。ve displacement WANG Bo—wen’,ZHANG sensor Lu—yu,WANG Peng,LI Heng,SHI Rui—xue,SUN Ying,WENG Ling (Province-Ministry Joint Key Laboratory 0 EZP∞,om口g村Pfif 厂厂E Field and Electrical Apparatus Reliability,Hebei University 0 Technology,Tianjin 300130 China) ma *Co¨rPspo行di行g author, il:bwwang@hebut.edu.cn) Abstract:The detecting voltage signal of studied to a magnetostrictive displacement sensor was experimentally cur— improve its detection accuracy.The effects of waveguide wire materials,driving pulse on rents,and detecting coil parameters the detecting voltage signal were analyzed and confirmed.The sensor detecting coil was designed optimally and the parameters for the magnetostrictiVe displacement were determined.The research shows since the Fe—Ga waveguide has a larger magnetostrictiVe coeffi— cient and remarkable Weidmann effect。it improves the electric—magnetic—mechanical conversion effi— on cency and obtains more detecting voltage signals.Based the experimental results,a new type of magnetostrictive displacement ance sensor with the Fe—Ga waveguide wire was fabricated and its perform— sensor was compared with that of a magnetostrictive displacement with the Fe—Ni waveguide sensor wire.The research shows that the detecting signal for the magnetostrictive displacement with the Fe—Ga waveguide wire is obviously enhanced and the signal—to—noise ratio is improved significantly 收稿日期:201 5—09 10;修订日期:2015-10一25. 基金项目:国家自然科学基金资助项目(No.51171057,No.51201055);河北省引进留学人员资助项目(No. CG2013003001);河北省高等学校科学技术研究重点项目(No.ZD2015085);天津市高等学校科技发展基 金资助项目(No.20140421);河北省研究生创新基金资助项目(No.220056) 万方数据