| 基于GPRS的远程监控系统设计 |
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| 引用本文： | 金仁成,王艳辉,高英明,刘瑞瑞. 基于GPRS的远程监控系统设计[J]. 微纳电子技术, 2007, 0(Z1) |
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| 作者姓名： | 金仁成 王艳辉 高英明 刘瑞瑞 |
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| 作者单位： | 辽宁省微纳米技术及系统工程重点实验室 辽宁大连116023(金仁成，王艳辉)，大连理工大学精密与特种加工教育部重点实验室 辽宁大连116023(高英明，刘瑞瑞) |
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| 摘 要： | 针对当前输油管道压力监控现状,结合GPRS通信模块MC39i,给出了能够实现远程数据传输并可广泛应用于远程监控系统的设计方案。重点阐述了系统的硬件组成以及基于嵌入式实时操作系统FreeRTOS实现数据传输模块的软件设计;采用基于状态机的结构设计方法实现PPP链路层协议,实现GPRS模块与互连网络的连接;分析和比较了UDP和TCP两种传输层数据传输方式,并给出了基于uIP TCP/IP协议栈实现TCP和UDP传输协议的原理;对UDP协议的传输可靠性进行改进,采用带握手的UDP协议可以较好地满足实时性的可靠性要求,并对数据传输性能进行了测试。
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| 关 键 词： | 通用分组无线业务 压力监控 嵌入式系统 uIP协议栈 |
Design of Remote Monitoring and Control System Based on GPRS |
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| JIN Ren-cheng,WANG Yan-hui,GAO Ying-ming,LIU Rui-rui. Design of Remote Monitoring and Control System Based on GPRS[J]. Micronanoelectronic Technology, 2007, 0(Z1) |
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| Authors: | JIN Ren-cheng WANG Yan-hui GAO Ying-ming LIU Rui-rui |
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| Affiliation: | JIN Ren-cheng1,WANG Yan-hui1,GAO Ying-ming2,LIU Rui-rui2 |
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| Abstract: | Aiming at the monitor of pressure in oil transportation pipeline,combined with GPRS module MC39i,a novel solution of a remote data transmission system used widely in remote monitoring system was described.The system software design of data transmission module based on real-time operation system FreeRTOS was analyzed.The connection between GPRS module and ISP(internet service provider)was designed based on a state diagram.After the comparison of UDP and TCP,the implementation of TCP and UDP based on uIP TCP/IP protocol stack was presented.In order to improve the transmission stability,the software design of UDP was amended,and the transmission properties of TCP was improved. |
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| Keywords: | general packet radio service(GPRS) pressure monitor embedded system uIP protocol stack |
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