磁阻式轮速传感器在ABS中的应用  

Application of Magneto-resistive Wheel Speed Sensor in ABS

作　　者：秦玉伟[1] 金轶锋[1] 李芳菊[1] 

机构地区：[1]渭南师范学院物理与电子工程系,陕西渭南714000

出　　处：《仪表技术》2009年第9期75-76,共2页Instrumentation Technology

基　　金：渭南师范学院研究生专项科研基金(08YKZ041)(08YKZ038);渭南师范学院科研基金项目(09YKF005);渭南师范学院教改项目(JG200701)

摘　　要：介绍一种磁阻式轮速传感器,并设计了该轮速传感器的信号处理电路,其中包含两级带通滤波放大电路和迟滞比较器;该传感器结构简单,成本低廉。研究结果表明,磁阻式轮速传感器工作性能稳定可靠,灵敏度高,抗干扰能力强,适应较高和较低的车速变化,可广泛应用于汽车ABS中。An InSb magneto-resistive wheel speed sensor is introduced. And its circuit for signal processing is designed, which involves two-stage band-pass filters and hysteresis comparator. This sensor has simple structure and low cost. The experiment shows that magneto-resistive wheel speed sensor is reliable. Also it has high sensitivity and can minimize the effect of electromagnetic interference. It is suitable for the variety from high speed to low speed. It can be widely used in ABS.

关 键 词：轮速传感器 INSB 磁阻 ABS 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]