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Design and Realization of Auto-meter Reading System Based on Web Technology

Author: LiuYingYing
Tutor: JiaZhiPing
School: Shandong University
Course: Software Engineering
Keywords: Automatic Meter Reading System Long-range monitor and control Embedded system
CLC: TP311.52
Type: Master's thesis
Year: 2008
Downloads: 200
Quote: 3
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Abstract


With china’s sustained development in economy and management automation in power industry continues to improve, defects brought by traditional manual meter reading could no longer meet current increasing needs. In the past 10 years, China has developed some auto meter reading (AMR) systems. In these AMR ,they mainly took telephone line, power line carrier (PLC ) and RS-485 bus as the key means of communication. However, these methods had some drawbacks in anti-jamming, infrastructure investment cost and coverage scale.This paper focused on wireless broadband network especially on GPRS whose advantages such as large coverage scale, high transmit rate and charge on throughput are very appropriate for AMR in power industry. After we analyzed concrete demands for remote power concentration reading system, we figured out a solution for it which would be based on GPRS.This paper domes the situation of intelligence-485 Meter in our country. According to the state and the power industry standards, we determine the functional requirements for acquisition and operation of indicators. The high price-performance embedded processors are selected. We design a wired/ wireless/ infrared hybrid communications with local, memory, real-time clock, and other functions. The system can be applied to the communication interface with 485 single-phase, three-phase, time-sharing smart meters. The hardware circuits with the corresponding programming function together. This low-voltage electric energy collection system has a fully independent intellectual property rights. Hardware and software aspects of the design are completed; hardware design has the following functions:(1) Using the whole area wireless collection in the electricity sector;(2) Each data collection terminal connects about 16 meters. Wireless data collection terminal sends data to the meter-reading meter data center. At the same time, concentration and collection system connects with provincial power companies MIS systems or demand-side management software platform for data communications, and uploads the data. (3) Reading centre sets up under a different way by changing the meter reading. The data of the wireless concentrator can regularly be sent to the Centre of meter reading, and meter reading can also set up centers to take the initiative to focus on wireless-meter data to users. After receiving meter reading center’s order, wireless concentrator sent the needing data immediately.With hardware design, systems processes, and other contents including initialize are designed more detailed. A technical test results show the system’s stability and high reliability, which can meet modern power operation and management of various aspects of electricity demand. Also it can greatly enhance economic efficiency and operational efficiency, with a wide range of practical and market value.As we expected, this system has a high stabilization and reliability, meeting the demands of electrical power running and managing, getting much economic benefits and running benefit ,and having extensive practicability and market value.At last, some shortcomings and deficiencies in this system were pointed out and the suggestion of revision in the next stage was also proposed.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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