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The Design and Implement on Communication Protocol Based on Concentrator with the Master Station

Author: ZhaoJinLong
Tutor: ZhuYu
School: Xi'an University of Science and Technology
Course: Computer Software and Theory
Keywords: LPC2214 μC / OS-II Protocol analysis Remote upgrade
CLC: TM764
Type: Master's thesis
Year: 2010
Downloads: 84
Quote: 1
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Abstract


Concentrated reading in low-voltage power users in the system construction , data communication protocol between the master and concentrator has no corresponding national and industry standards to follow , leading to system integration , equipment replacement increased difficulty and expense , to the power company The MRs management inconvenience. It is necessary to study and formulate a unified centralized uplink communication protocol . Hubei and Hunan Provinces , this study domestic concentrator the uplink communication protocols , and participate in the preparation of its protocol analysis , to explore the design that will integrate the advantages of Hubei, Hunan concentrator uplink communication protocol . The new design of the concentrator uplink communication protocol to increase the protocol module remote upgrade and enhance reliability and reduce data transfer protocol ambiguity . Hardware platform extend three memory and communication as the main chip and off-chip ARM7 family of 32 -bit embedded chip LPC2214 . Software platform portable real - time operating system μC / OS -II real-time multi-tasking capabilities of the operating system , to improve the real-time , reliability and stability of the system . The ADS1.2 development environment using the object-oriented programming methods and process-oriented integrated systems can co-exist a variety of centralized uplink communication protocol , and flexible switch . ASM, C, C multilingual hybrid programming system functions , so that the system has high robustness and scalability . At present , the agreement has been put into the Jingmen City , Hubei Province , the results show that the protocol running stable and reliable , and reduce site maintenance , meter reading rate of 99% , to achieve the objectives and requirements of the Agreement is expected to design , power management and quality of power supply from to the active role.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system automation > Distant measurement and remote control
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