基于AD5933的磁致伸缩材料共振频率检测系统

基金项目:

山西省留学基金项目（2010-030）

山西省青年基金项目（2012021013-1）

博士后基金项目（2011M500542， 2012T50248）

详细信息

Detection system of resonance frequency for magnetostrictive material based on AD5933

1.
Micro-Nano System Research Center, College of Information Engineering, Taiyuan University of Technology, Taiyuan 030024, China
2.
Key Laboratory of Advanced Transducers and Intelligent Control Syste

摘要: 根据阻抗测量法设计了一种基于AD5933的磁致伸缩材料共振频率检测系统，详细介绍了该系统硬件电路及软件设计。该系统采用基于AD5933的阻抗测量模块、基于MSP430F169的单片机处理模块、12864液晶显示模块以及供电模块完成了磁致伸缩材料共振频率的数据采集、处理、存储及图谱显示。测试结果表明，该系统具有测量误差小、抗干扰性强、实时性高的特点，检测误差低至7 Hz。
- 磁弹性传感器 /
- 磁致伸缩材料 /
- 共振频率检测 /
- 阻抗法 /
- AD5933
Abstract: According to impedance measurement method, a detection system of resonance frequency for magnetostrictive material based on AD5933 was designed. The hardware circuit and software design of the detection system were presented in details. The detection system uses impedance measurement module based on AD5933, microcontroller processing module based on MSP430F169, display module based on LCD 12864 and power supply module to realize data collection, processing, storage of resonance frequency of magnetostrictive material and impedance spectrum display. The test results show that the detection system has characteristics of low measurement error, strong anti-interference and high real-time performance, and average detection error is as low as 7 Hz.
- magnetoelastic sensor /
- magnetostrictive material /
- resonance frequency detection /
- impedance measurement method /
- AD5933