基于ARM的三维汽车振动加速度测量方法研究

Study on Measure Method of 3-axis Accelerometer of Car Based on ARM

提出了一种基于ARM和加速度传感器的三维汽车振动加速度测量方法。在现有研究基础上,设计出能测量三维加速度的处理电路,利用32位高性能ARM处理器LPC2129的捕获通道和ADC通道实现对三维加速度信号的同时测量,并给出了测量的程序流程。实现结果表明:该测量方法简化了系统,同时提高了系统的测量精度和实时性。

A measure method of 3-axis acceleration of car based on ARM was put forward.Based on the existing research conditions,the circuit for processing 3-axis accelerometer signal was designed.The capture channels and ADC channels of the 32 bit high-powered ARM series single-chip LPC2129 were used to measure the 3-axis acceleration at the same time.Besides,the flow chart of the measure method was provided.The experimental results show that the measure method simplify the system and enhance the precision and the real-time requirement of the system.