In this hard disk record system, the IDE hard disk is controlled by FPGA(Field Programmable Gate Array), and the image is recorded to file format directly. In the same time, the recorded image is real-time and lossles...In this hard disk record system, the IDE hard disk is controlled by FPGA(Field Programmable Gate Array), and the image is recorded to file format directly. In the same time, the recorded image is real-time and lossless. All of this is convenient for subsequent processing.展开更多
针对汽车研发系统对各控制器信号进行数据分析的需要,设计了一种能实时采集信号值并将采集数据以MDF(Measure Data Format)文件格式存储在U盘里的汽车记录仪。首先给出基于CAN总线汽车记录仪的系统结构和软件流程,在此基础上,通过对FAT...针对汽车研发系统对各控制器信号进行数据分析的需要,设计了一种能实时采集信号值并将采集数据以MDF(Measure Data Format)文件格式存储在U盘里的汽车记录仪。首先给出基于CAN总线汽车记录仪的系统结构和软件流程,在此基础上,通过对FAT文件系统和MDF文件标准进行分析,详细介绍了存储模块的设计与实现。所开发的汽车记录仪已成功应用于奇瑞汽车A5车型,并取得良好效果。展开更多
文摘In this hard disk record system, the IDE hard disk is controlled by FPGA(Field Programmable Gate Array), and the image is recorded to file format directly. In the same time, the recorded image is real-time and lossless. All of this is convenient for subsequent processing.
文摘针对汽车研发系统对各控制器信号进行数据分析的需要,设计了一种能实时采集信号值并将采集数据以MDF(Measure Data Format)文件格式存储在U盘里的汽车记录仪。首先给出基于CAN总线汽车记录仪的系统结构和软件流程,在此基础上,通过对FAT文件系统和MDF文件标准进行分析,详细介绍了存储模块的设计与实现。所开发的汽车记录仪已成功应用于奇瑞汽车A5车型,并取得良好效果。