【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。更多还原

【Abstract】 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.更多还原