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ARM, Wince data collection and transmission instrument - based development

Author: WangZhiYuan
Tutor: WeiZhenGang
School: Ocean University of China
Course: Computer technology
Keywords: Environmental data collection and transmission device Environmental Monitoring ARM9 WINCE GPRS Bluetooth S3C2440
CLC: TP274.2
Type: Master's thesis
Year: 2011
Downloads: 125
Quote: 2
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Abstract


Environmental monitoring project, often a large number of widely distributed need remote field data collection, processing, transmission. Environmental data collection and transmission tester is a connection pollution source monitoring instruments and environmental protection departments at all levels, independent of the host computer's data acquisition and transmission equipment. The general pollution source is a set of one or more sets of monitoring equipment, instrumentation, monitoring equipment, instrumentation analog or digital output interface is connected to the data acquisition and transmission instrument host computer through the data acquisition and transmission instrument for data exchange and send and receive instructions. In this paper, based on 32 high-end ARM9 embedded microprocessor S3C2440 and embedded operating system Wince environmental data collection the transfer instrument development technology. Combine the advantages of embedded technology, network technology and Bluetooth technology to solve the problem of the traditional industrial field data collection system can not meet the low-power, low-price and high-performance, it has a more powerful computing capabilities, more convenient network more advanced remote monitoring capabilities. Only to retain the traditional instrument data channels of serial communication, USB, Ethernet, AD acquisition, new wireless transmission networking and Bluetooth wireless communication module. Bluetooth wireless communication technology to achieve data collection, more simple and convenient, without cabling restrictions and inconvenient to use and improve the anti-jamming performance data acquisition data acquisition and remote monitoring. This paper presents a variety of channels, multi-access modes optional data collection the transfer instrument design program to achieve the lowest networking, safe and reliable operation cost environmental monitoring data collection and transmission. This paper discusses the design process of data collection and transmission instrument. Functional analysis of the transfer instrument for data collection, the first collection, determined mainly by the analog switch control, RS-232 serial data transmission GPRS data transfer, Bluetooth data transmission, the smart meter RS-485 communications driven application development composed of several parts, and each part of the circuit component selection and make data collection and transmission instrument schematic and PCB layout. Instrument in the data collection and transmission software design section introduces the the Wince system programming and application implementation process. The article also briefly compare the advantages and disadvantages of the various means of communication, given some direction to improve the data collection and transmission instrument.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Data collection and processing systems
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