基于FLEXRAY总线的装载机线控转向系统研究

Research of Wheel Loader Steer-by-wire Based on FlexRay

FlexRay是一个为车载应用系统高层网络和线控系统开发的通信标准,结合该通信标准高可靠性的特点,叙述了基于FLEXRAY总线的装载机线控转向系统的特点,详细地介绍了基于FLEXRAY总线的装载机线控转向电子控制单元的开发过程;阐述了电子控制系统总体的设计思想,设计了以S3C44B0X微处理器芯片为核心的装载机线控转向系统的硬件平台及基于此硬件平台装载机线控转向系统的主程序软件和FLEXRAY总线数据接收软件等,解决了线控转向电控系统对多任务及高实时性的需求问题。

FlexRay is a high--level network for vehicle--mounted system and control system, based on the high reliability of FlexRay standard, describes the characteristics of the loader FlexRay control system in detail, Characteristics the loader development process of electronic control unit based on FlexRay. Expounds the overall design thinking of the electronic control system , designed the hardware platform based on the S3C44BOX and also designed the software of this hard ware platform , and designed FLEXRAY bus data receiving software too, solved the electronic control system for real--time multitasking high demand.