基于LabVIEW的弱磁信号采集系统设计  

The Design of the Weak Magnetic Signal Acquisition System Based on LabVIEW

作　　者：刘修泉[1] 李艳红[1] 汪小红[1] 刘畅[2] 黄平[2] 

机构地区：[1]广州番禺职业技术学院机电工程学院,广州511483 [2]华南理工大学机械与汽车工程学院,广州510640

出　　处：《机电一体化》2016年第6期65-68,72,共5页Mechatronics

基　　金：广东省自然科学基金(2015A030313788)

摘　　要：设计了磁阻传感器系统电路。采用HMC1043磁阻传感器进行磁定位的弱磁信号采集,将采集到的信号放大,经由数据采集卡给PC;然后基于LabVIEW平台开发数据采集处理系统,进行处理和显示;最后进行该传感器静态特性试验与分析,测算出其灵敏度和线性度。实验结果表明该设计是可行和有效的。The magnetic resistance sensor system circuit was designed, the weak magnetic signal of the magnetic location collecting by the magnetic resistance sensor HMC1043, was amplified , which is transferred to the PC com- puter through the data acquisition card, and was display by the data acquisition processing system develop based on LabVIEW; then the sensors static characteristic was tested and analysised, its sensitivity and linearity was measured, the results show the design of the the magnetic signal data acquisition system is feasible and effective.

关 键 词：磁阻传感器 LABVIEW 弱磁信号 采集 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置] TP274.2[自动化与计算机技术—控制科学与工程]