嵌入式Linux技术在遥测数字地震电源站中的应用
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摘要
高精度遥测数字地震仪作为新一代地震勘探仪器,对我国油气资源的地震勘探开发起着极其重要的作用。嵌入式Linux技术是一种基于嵌入式微处理器的高性能、低功耗的嵌入式系统解决方案,为研制新型遥测数字地震电源站提供了一条新途径。介绍了应用PPC405高性能嵌入式微处理器及FPGA芯片构建的双层堆叠式电源站硬件系统,并在该硬件构架上完成了U-Boot、嵌入式Linux内核、JFFS2文件系统的移植及电源站相关驱动程序和应用程序的开发,实现了遥测数字地震电源站的数据传输和网络交互功能。
As the next generation of seismic prospecting instruments,the high-precision telemetric digital seismic instrument plays an extremely important role in China's seismic prospecting and development of oil and gas resources.Embedded Linux technology is a high-performance and low-power consumption embedded system solution based on embedded microprocessor,which provides a new way to develop novel telemetric digital seismic power supply.The paper presented the hardware system of a double-layer stack-based power supply constructed with PPC405 high-performance embedded microprocessor and FPGA chips,transplanted U-Boot,embedded Linux kernel and JFFS2 file system core,and developed drivers and application programs related to power supply on the hardware framework,and achieved data transmission and network interactive function of telemetric digital seismic power supply.
引文
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