基于GD32的重型车排放远程车载监控终端设计  

Design of a Vehicle Terminal for Remote Emission Monitoring of Heavy Vehicles Based on GD32

作　　者：王晓栋[1] 陈援峰[1] 杨伟钧[1] WANG Xiao-dong;CHEN Yuan-feng;YANG Wei-jun(School of Mechanical and Electrical Engineering,Guangzhou City Polytechnic,Guangzhou 510405,China)

机构地区：[1]广州城市职业学院机电工程学院,广东广州510405

出　　处：《广州城市职业学院学报》2023年第1期81-87,100,共8页Journal Of Guangzhou City Polytechnic

基　　金：广东省普通高校特色创新类项目“基于机器视觉的手机组件检测技术的研究及应用”(编号:2022KTSCX299);广州市教育局高校科研“羊城学者”科研项目“基于机器视觉和深度学习的测温筛查系统研究”(编号:202235364);广州城市职业学院校级科研课题“基于车联网的SCR系统远程监测技术的研究与应用”(编号:KYY202101)。

摘　　要：针对重型车尾气排放设计了一款车载远程监控终端系统。该系统采用GD32国产微控制器作为主控制处理核心,设计了可靠且低成本的系统方案。硬件架构以国产芯片为主,包括4G模块ML302、定位芯片AIR530、安全芯片RJMU401。终端通过GD32的CAN总线,根据SEAJ1939协议采集、解析包括NOx、PM在内的排放数据,采集相关传感器数据、车辆的位置信息,并通过4G模块实现远程通信数据上传,板载SPI接口FLASH对所有数据进行加密存储。软件功能可完整实现数据采集、处理、加密存储及安全可靠上传。该车载终端已投入使用,实测表明能可靠采集数据并上报,系统实时性好,恶劣工况下工作稳定。A vehicle remote monitoring terminal system is designed for heavy vehicle exhaust emission.The system uses GD32 micro⁃controller as the main control and processing core,and a reliable and low⁃cost system scheme is designed.The hardware architecture is mainly domestic chips,including 4G module ML302,positioning chip AIR530,security chip RJMU401.Through the CAN bus of GD32,the terminal collects and resolves emission data including NOx and PM according to SEAJ1939 protocol,collects relevant sensor data and vehicle location information,and uploads remote communication data through 4G module.All data are encrypted and stored by on⁃board SPI Flash.Software function can complete data collection,processing,encryption storage as well as safe and reliable upload.The vehicle⁃mounted terminal has been put into use,and the measurement shows that it can reliably collect and report data.The system has good real⁃time performance and keeps stable under harsh working conditions.

关 键 词：远程排放监控 车载终端 GD32 CAN通信 

分 类 号：U463.99[机械工程—车辆工程]