电容车辆载荷检测系统中数字滤波器的设计  

Design of the digital filter for the vehicle-load capacitance detection system

作　　者：陈梅[1] 李媛[1] 

机构地区：[1]商丘师范学院物理与信息工程系,河南商丘476000

出　　处：《商丘师范学院学报》2010年第6期60-64,共5页Journal of Shangqiu Normal University

基　　金：国家自然科学基金资助项目(60572001)

摘　　要：在电容式车辆载荷检测系统中,滤波器设计是关键技术之一,它直接关系到测量的精度.文章介绍了基于数字处理芯片TMS320VC5416的滤波方案设计.通过利用MATLAB软件进行调试仿真,设计出合适的滤波器参数,并对采样数据进行仿真输出,根据MATLAB调式好的滤波器参数编写了程序.试验结果表明,设计方案切实可行,系统的软、硬件设计达到了预期的要求.In the vehicle-load capacitance detection system,the design of the filter is a key technique and it is related to the accuracy measuring directly.In this paper,filtering programs design based on digital processing chip TMS320VC5416 is introduced.Though using of MATLAB simulation software for debugging,a suitable filter parameters be designed,and sample simulation data be output.The procedures prepared base on filter parameters which has debugged by using MATLAB.The result shows that the design of the filter is feasible and the design of the software and hardware also reached the anticipative require.

关 键 词：车辆载荷检测 电容称重传感器 数字滤波 DSP 

分 类 号：U270.7[机械工程—车辆工程]