通用型自动变速器数据采集系统  

General Automatic Transmission Data Acquisition System

作　　者：罗玉涛[1] 李晓波[1] 罗良然[1] 黄志勇 孟亚辉 

机构地区：[1]华南理工大学机械与汽车工程学院,广东省汽车工程重点实验室,广东广州510640 [2]广州市花都全球自动变速箱有限公司,广东广州510800

出　　处：《仪表技术与传感器》2010年第8期25-28,共4页Instrument Technique and Sensor

摘　　要：针对车辆自动变速器控制信号的特点,开发了一套通用型变速器数据采集系统。系统采用Mega128作为主控芯片,通过USB接口与PC进行通讯;PC端采集分析软件进行数据分析,设计了软件抗干扰模块,使用浮动加权算法进行滤波处理;最终将自动变速器换档工作时序图呈现给用户。介绍了系统硬件框架,给出了USB固件流程设计、主控单片机软件流程设计、信号识别算法、抗干扰算法和浮动加权滤波算法设计。According to the vehicle automatic transmission control signal characteristics,a data acquisition system was developed.In this system,Mega128 was used as the master chip.It communicates with personal computer through USB interface.An acquisition and analysis software including anti-jamming module and filter module based on floating weighted algorithm was designed for analyzing the time sequences of the AT shift actuators.The system hardware framework of each module was introduced.The USB firmware,the main control software process design and the algorithm of each module were all carried out.

关 键 词：自动变速器 数据采集 USB 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]