一种车身姿态的捷联测量  

A Strapdown Measurement of Vehicle Attitude

作　　者：李怡凡[1] 吴黎明[1] 张力锴[1] 

机构地区：[1]广东工业大学信息工程学院,广州510006

出　　处：《传感技术学报》2010年第8期1189-1194,共6页Chinese Journal of Sensors and Actuators

摘　　要：汽车车身姿态测量一直是汽车技术的关键一环。提出了一种无陀螺实时车身姿态测量方案,利用单个三轴线加速度传感器结合轮速编码器解算出实时车身姿态。设计从硬件到软件都作出了大量精简处理以构建实时性高的嵌入式系统。并以芯片LPC2478作MCU,三轴加速度传感器采用MMA7260为例给出具体的硬件电路连接,说明其部件特性和构成原理,从应用上指出干扰来源和抗干扰措施,阐述了MCU工作的软件处理流程。最后给出了实验过程中的数据。Vehicle bodywork attitude measurement has been a key element in automotive technology.This paper presents a non-gyro bodywork attitude measurement program.Using a single three-axis accelerometer with wheel speed encoder it provides a solution of calculating real-time bodywork attitude.In order to guarantee the real-time performance of the system,the program did a lot of reduction.It gives an example of implementation through hardware and software respectively using LPC1758 as MCU and MMA7260 as three-axis accelerometer.Finally,the results of experiments is presented.

关 键 词：嵌入式系统 车身姿态 捷联测量 三轴加速度传感器 

分 类 号：TN3[电子电信—物理电子学] TN4