电测与仪表
電測與儀錶
전측여의표
ELECTRICAL MEASUREMENT & INSTRUMENTATION
2014年
24期
56-60
,共5页
巨磁电阻传感器%亥姆霍兹线圈%静态特性%动态特性%测试
巨磁電阻傳感器%亥姆霍玆線圈%靜態特性%動態特性%測試
거자전조전감기%해모곽자선권%정태특성%동태특성%측시
giant magneto-resistance sensor%Helmholtz coil%static property%dynamic property%test
随着巨磁电阻传感器日益广泛的应用，对其静、动态特性进行综合测试的需求日益迫切。文章以亥姆霍兹线圈为基础，构建了标准磁场发生装置，实现了对巨磁电阻传感器特性的全面测试，对比了不同型号传感器的动静态特性、角度特性和温漂特性；之后针对测试过程中的不足，重点对传感器角度特性测试、动态磁场发生和校准平台三部分提出了改进方法，为进一步改善巨磁电阻传感器特性测试的质量奠定了坚实基础。
隨著巨磁電阻傳感器日益廣汎的應用，對其靜、動態特性進行綜閤測試的需求日益迫切。文章以亥姆霍玆線圈為基礎，構建瞭標準磁場髮生裝置，實現瞭對巨磁電阻傳感器特性的全麵測試，對比瞭不同型號傳感器的動靜態特性、角度特性和溫漂特性；之後針對測試過程中的不足，重點對傳感器角度特性測試、動態磁場髮生和校準平檯三部分提齣瞭改進方法，為進一步改善巨磁電阻傳感器特性測試的質量奠定瞭堅實基礎。
수착거자전조전감기일익엄범적응용，대기정、동태특성진행종합측시적수구일익박절。문장이해모곽자선권위기출，구건료표준자장발생장치，실현료대거자전조전감기특성적전면측시，대비료불동형호전감기적동정태특성、각도특성화온표특성；지후침대측시과정중적불족，중점대전감기각도특성측시、동태자장발생화교준평태삼부분제출료개진방법，위진일보개선거자전조전감기특성측시적질량전정료견실기출。
With the widespread application of giant magneto-resistance ( GMR) sensor, the requirement of compre-hensive test on its static and dynamic characteristics is increasingly urgent.In this paper, the standard magnetic field generator based on the Helmholtz coils is designed to achieve the comprehensive characteristic test of GMR sensor. Some GMR sensors are tested and compared by utilizing the standard magnetic field generator.The dynamic and static characteristics, angle characteristics and temperature drift characteristics of different types sensor are compared.After that, in accordance with the deficiency during the tests, the improving methods about angle characteristic testing, dy-namic magnetic field generator and calibration platform are put forward.It will provide powerful support for improving the test quality of GMR sensor property.
