作　　者： ; ; ;

机构地区： 电子科技大学自动化工程学院

出　　处： 《中国测试》 2012年第1期97-100,105,共5页

摘　　要： 针对随钻测井仪的维护难问题,采用三星公司的s3c2440ARM9微处理器,基于Linux嵌入式系统设计并实现了随钻声波测井仪维护系统的软件部分。该维护系统能够实现与上位机之间的USB和网络双向通信,同时,能够通过串口和井下仪器进行双向数据通信,实现对井下仪器的程序下载和数据读取。着重阐述了基于Linux嵌入式系统的应用程序开发、USB从设备固件程序以及网络服务器端应用程序设计。经过数据测试表明:系统可以实现大数据量的双向传输,数据传输速度快、速率稳定、可靠性高。 For solving the difficulties of maintenance for the logging-while-drilling tool,taking the advantages of the chip s3c2440 of Samsung company,the software application of the maintenance system based on Linux embedded operating system was proposed.This application achieved mutual communication ability for this maintenance system with the PC through USB or network.Simultaneously,this system can transport software program to downhole tool and receive data from it through the serial port.It focused on the development of software application based on Linux embedded operating system with Qt and the designation of the USB device driver and the software program for network sever.After the data-transmission test,this system achieved the two-way transmission of a huge number of data with high speed,stable rate and high reliability.

关 键 词： 随钻测井仪维护系统 数据通信 编程 从设备 网络编程 串口通信 在线升级

领　　域： [自动化与计算机技术] [自动化与计算机技术] [自动化与计算机技术] [自动化与计算机技术]