汽车移动互联平台的实时系统设计研究

Research on real-time system design of automotive mobile internet platform

基于设计一个能够实现对汽车移动大量车载端数据的实时采集、分析、传输需求,通过采用STM32F439处理器、在入室实时操作系统μC-OS-III实时数据采集系统的模块化设计思路。在本次实验中设计了车载端传感器模块、仿真模拟车载自动诊断系统数据模块,多功能结合汽车移动互联平台实时系统程序。发现该系统能够高效的实现对OBD、甲醛等多方面综合数据的实时采集、分析及传输,并最终呈现于LCD显示屏的功能。经实验发现最终在汽车LCD显示屏可以显示:汽车的发动机冷却液温度为89.26℃、车速为73.05km/h、发动机转速达到了2031.28r/min、以及50L的油量。得出经本研究设计的汽车移动互联平台实时系统设计,能够达到针对汽车移动车载端大量数据,实时采集、分析、传输所需,满足行车者的使用所需。

Based on the design of a real-time data acquisition,analysis and transmission requirements for a large number of vehicle-mounted mobile data,the modular design of the μC-OS-III real-time data acquisition system using the STM32F439 processor in the real- time operating system. In this experiment,the vehicle- side sensor module and the simulation analog vehicle- mounted automatic diagnosis system data module are designed,and the multi-function combined with the real-time system program of the vehicle mobile internet platform.It is found that the system can efficiently realize real-time collection,analysis and transmission of comprehensive data of OBD,formaldehyde and other aspects, and finally presents the function of the LCD display. It was found through experiments that the car's LCD display temperature can be displayed as: the engine coolant temperature of the car is 89.26 °C,the vehicle speed is 73.05 km / h,the engine speed reaches 2031.28 r / min,and 50 L of oil.It is concluded that the real-time system design of the mobile communication platform can achieve a large amount of data for the vehicle mobile vehicle,real-time collection,analysis and transmission,to meet the needs of the driver.