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Based on Data Fusion Technology Program-Controlled Switchboard Temperature Wireless Monitoring System Research

Author: ZhengMingZhi
Tutor: SunLiPing
School: Northeast Forestry University
Course: Agricultural Electrification and Automation
Keywords: Data Fusion Temperature Program-controlled switches Wireless sensor networks
CLC: TP277
Type: Master's thesis
Year: 2009
Downloads: 143
Quote: 1
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Abstract


Program-controlled switches temperature monitoring system is wired or wireless communication to achieve real-time monitoring of the temperature of the program-controlled switches, it has changed the traditional manual-based monitoring tools, greatly improving the degree of automation of the switch temperature monitoring, temperature alarm switch and emergencies caused by the reaction rate, saving manpower and resources, is one of the hot research field at home and abroad. With the continuous development of communication technology, data fusion technology in various fields (Data Fusion) more and more widely, it is the key technologies of wireless sensor networks (WSN), which aims to reduce network traffic and reduce network energy consumption , improve data accuracy, and to optimize the overall performance of the WSN. In wireless sensor networks data fusion technology program-controlled switches in different locations multi-point temperature fusion, the fusion temperature is closer to the actual temperature of the switch. The entire wireless monitoring system by the data acquisition, data transmission and data processing part. Data acquisition part responsible for collecting on the sensor status information and stores this information in accordance with the format up a transfer; data transfer portion of the collected terminal to send status information to the wireless sensor network protocol wireless sensor network to a remote control center client; data processing using data fusion techniques to the switch temperature data transmitted to the wireless network processing for temperature data fusion, its purpose is to use a homogenous temperature sensor fusion multi-point to different locations to get closer to the switch temperature actual value of the data, and then grasp the working status of the switch, to achieve real-time monitoring of the temperature of the switch. Papers on the basis of a detailed analysis of the characteristics of the program-controlled switches combined with the current situation of the development of research in the field, given the complete system of hardware and software composition and design process conducted in-depth analysis and research, and on this basis, the system architecture and implementation methods , data fusion technology and wireless sensor networks combined use of real-time monitoring of the communication scheme. The system is designed to complete the work: (1) system hardware design, we use the United States ATMEL of AT89C51, high-performance CMOS 8-bit microcontroller production DS18B20 with the U.S. DALLS company wireless temperature sensor consisting of multiple distributed data acquisition system (4) the use of data fusion; (2) Tmote Sky wireless data transmission module for data transmission; (3) The system software design, the use of C language AT89C51 microcontroller data acquisition program, the interrupt routine, the peripheral circuit design of the application; The method to calculate the data. Is a wireless monitoring system based on data fusion technology program-controlled switches temperature unattended automation, intelligent switches monitor the temperature acquisition system. The network structure of the system, the means of data transmission, information acquisition mode and data processing methods for other SCADA (Supervisory Control And Data Acquisition), data collection and monitoring system provides an advanced and effective information acquisition model. Just a little change can be applied to other systems, and highly portable. This can enhance the degree of automation of the monitoring, but also save a lot of manpower and financial resources, has high practical value and economic value.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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