【作者】 许杨文；

【导师】 王万良； 张联升；

【作者基本信息】 浙江工业大学 ， 计算机技术， 2009， 硕士

【摘要】 工业生产环境监测技术是关乎国计民生的重要环节。传统的传感器监测网络存在着总线结构不统一、通信线路复杂、模拟信号干扰大等问题,尤其是磁场监测中,容易受到复杂的电磁环境的干扰,影响数据传输的可靠性。针对这个问题,借鉴CAN总线技术在工业应用的成熟经验和深入研究磁场监测技术的基础上,本文基于CAN总线模块矢量磁场监测的设计在软硬件方面初步实现了数字模块化监测系统。主要做了以下几方面工作:1、对智能化传感网络监测平台新技术的研究。探讨了IPv6网络和传感器代理服务器(SAS)应用于现场监测系统的网络构建,研究了基于CAN总线规范的监测网络节点框架的设计。2、基于MSP430F低功耗单片机和磁模块HMC1002,对双轴矢量磁探模块进行设计与实现;基于MCP2510和PCA82C250集成芯片完成CAN节点接口的硬件设计。3、基于DeviceNet框架协议,对磁场监测节点模块和CAN上层应用协议进行研究,设计了可靠的CAN数据通信协议、优先级晋升处理协议,保证数据通信的实时性和可靠性。文章通过构建单片机CAN节点模块与上位机PC机的数据通信实验,综合验证数据传输格式及部分通信协议的可行性和可靠性,为CAN总线在传感器网络监测中的应用提供了工程实践的依据。更多还原

【Abstract】 The environmental monitoring technology is an important part in industrial production of national economy and people’s concerns. There are problems in traditional sensor monitor network that unified structure, complex communication lines , huge interference amang analog signals and other major issues, especially in the complex electromagnetic environment, the data transmission reliability is prone to be affected badly.In view of this issue, profiting from the industrial application matureexperience of CAN bus technique and the deep research of magnetic field monitor technology, the hardware and software of modular digital monitoring system is initially studied based on the CAN bus technique to monitor the vector magnetic field. The following several aspects of work are mainly studied:1st, the new technology of intelligent sensor monitoring network platform is studied. It is discussed that the IPv6 network and the sensor agent server (SAS) applies in the monitoring system’s network construction, and the framework of monitor network nodes is designed based upon CAN bus standards.2nd, with MSP430F low-power single-chip(MCU) and magnetic integration chip HMC1002, the dual-axis vector magnetic-detection module is designed and realizated; the CAN node connection is also completed with MCP2510 and the PCA82C250 integration chip.3rd, based on DeviceNet framework protocal, the magnetic monitor node module and the CAN upper application protocol are studied. The reliable CAN data communication protocol and priority protocal for promotion is constituted to guarantee the data communication real-time and reliable.Finally, constrcut communication experiment between CAN net nodes and the upper PC to synthesis validate the feasibility and the accuracy of data transmission form and the communication protocol. The experiments provided the reliable basis of CAN technology application in sensor network monitor system.更多还原