三端式磁通门传感器的数学建模

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英文篇名：Mathematical Modeling of the Fluxgate Sensor with Three Tips 中文刊名：中北大学学报(自然科学版) 英文刊名：Journal of North University of China(Natural Science Edition) 作者：王锋 ; 刘仁浩 ; 张有维 英文作者：WANG Feng1 ; LIU Ren-hao1 ; ZHANG You-wei2 (1.School of Mechantronic Engineering ; North University of China ; Taiyuan 030051 ; China ; 2.Second Academy of China Aerospace Science and Industry Corporation ; Beijing 100854 ; China) 中文关键词：磁通门传感器 ; 数学模型 ; 灵敏度 ; 磁导率 ; 激励 英文关键词：fluxgate sensor ; mathematical model ; sensitivity ; magnetic conductivity ; excitation 出版日期：2008-04-15 机构：中北大学机电工程学院,中北大学机电工程学院,中国航天科工集团第二研究院 山西太原030051,山西太原030051,北京100854 年：2008 期：02 出版单位：中北大学学报(自然科学版)

摘要

分析了三端式磁通门传感器的工作原理,建立了其结构的数学模型;对结构模型做了定性的分析,并定量地计算出了灵敏度、磁导率等参数和指标.在此基础之上,比较了不同波形下的灵敏度大小,确定出了最佳的激励波形;验证了数学模型的合理性,并保证在灵敏度最大的条件下得到最佳激励电压和激励频率.
The operating principle of fluxgate sensor with three tips was analyzed,and the mathematical model of the sensor structure was established.Such parameters and indexes in the model as sensitivity,permeability of the sensor were calculated.The optimum exciter wave-shape was determined by comparing the magnitude of sensitivity with different wave-shapes.The rationality of the mathematical model was validated using CAD,and the optimum exciter voltage and frequency were obtained in the condition of the maximum sensitivity.

引文

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