| 磁致伸缩位移传感器电路系统的设计 |
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| 引用本文： | 冯建,赵辉,刘伟文,张永杰,陶若杰. 磁致伸缩位移传感器电路系统的设计[J]. 电子测量技术, 2010, 33(1): 11-13,28 |
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| 作者姓名： | 冯建 赵辉 刘伟文 张永杰 陶若杰 |
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| 作者单位： | 上海交通大学仪器科学与工程系,上海,200240;上海交通大学仪器科学与工程系,上海,200240;上海交通大学仪器科学与工程系,上海,200240;上海交通大学仪器科学与工程系,上海,200240;上海交通大学仪器科学与工程系,上海,200240 |
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| 摘 要： | 为了实现磁致伸缩位移传感器的低成本化,提出了一种基于MSP430单片机的电路方案,分析设计了脉冲功率放大、信号放大与整形、时间测量、传感器输出接口等电路模块。磁致伸缩效应的特性,以及高精度时问测量电子电路的实现,保证了传感器的测量精度。电路系统各部分信号的实验波形和测试数据表明,传感器具有较高的整体性能,为传感器的低成本产品化生产奠定了基础。
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| 关 键 词： | 磁致伸缩 位移传感器 时间测量 PWM信号 |
Design and analysis of the circuit of magnetostrictive displacement sensor |
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| Feng Jian,Zhao Hui,Liu Weiwen,Zhang Yongjie,Tao Ruojie. Design and analysis of the circuit of magnetostrictive displacement sensor[J]. Electronic Measurement Technology, 2010, 33(1): 11-13,28 |
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| Authors: | Feng Jian Zhao Hui Liu Weiwen Zhang Yongjie Tao Ruojie |
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| Affiliation: | Dept of Instrument Science and Technology;Shanghai Jiaotong University;Shanghai 200240 |
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| Abstract: | With the purpose of diminishing cost of magnetostrictive displacement sensor,a new circuit scheme is proposed based on the microcontroller MSP430,including power amplifier circuit for micropulse,signal amplification and shaping circuit,time measuring circuit and interface circuit for the sensor.The character of magnetostrictive effect,together with the realization of high-precision time measuring circuit,lead to sensor's precision.Signal waveforms and test data of experiment indicate that this kind of displ... |
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| Keywords: | magnetostrictive displacement sensor time measuring PWM signal |
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