摘要
对霍尔电流传感器延迟产生的机理进行分析。采用虚拟仪器技术,用实验方法辨识出霍尔电流传感器测量超声频域信号的延迟时间。介绍了非线性曲线拟合方法在电流传感器延迟补偿中的应用。测试表明,补偿收到了良好的效果。
The thesis analyzes the mechanism of delay of the Hall-effect current sensor.Using virtual instrument technology,the experimental methods are adopted to identify signal delay time of the Hall current sensors for measuring the ultrasonic frequency domain.Futher,the non-linear curve fitting method is introduced in current sensor delay compensation applications.Tests show that the compensation receives good results.
出处
《自动化技术与应用》
2010年第10期102-105,共4页
Techniques of Automation and Applications
关键词
霍尔电流传感器
虚拟仪器
曲线拟合
延迟补偿
Hall-effect current sensor
virtual instrument
curve fitting
delay compensation
