通信集中告警系统(Centralized Communication Alarm System)就是利用计算机系统及网络传输技术,它是在通信各子系统网管终端的基础上,增加的一级集中告警系统,对轨道交通各通信系统进行信息采集并集中反映到告警终端,使维护人员能及时...通信集中告警系统(Centralized Communication Alarm System)就是利用计算机系统及网络传输技术,它是在通信各子系统网管终端的基础上,增加的一级集中告警系统,对轨道交通各通信系统进行信息采集并集中反映到告警终端,使维护人员能及时了解轨道交通通信系统的故障信息以便于处理。本文针对现有CCAS误报、漏报严重,使用困难的现状,在充分掌握运维人员需求的基础上综合分析现有系统的一些设计理念和业务逻辑,并结合国内相关系统的技术和文献,设计并实现了一套集中告警系统,实践证明,该系统运行稳定、告警准确、使用方便,非常具有借鉴意义。展开更多
This paper proposes a redundancy optimization method for smart grid Advanced Metering Infrastructure(AMI) to realize economy and reliability targets.AMI is a crucial part of the smart grid to measure,collect,and analy...This paper proposes a redundancy optimization method for smart grid Advanced Metering Infrastructure(AMI) to realize economy and reliability targets.AMI is a crucial part of the smart grid to measure,collect,and analyze data about energy usage and power quality from customer premises.From the communication perspective,the AMI consists of smart meters,Home Area Network(HAN) gateways and data concentrators;in particular,the redundancy optimization problem focus on deciding which data concentrator needs redundancy.In order to solve the problem,we first develop a quantitative analysis model for the network economic loss caused by the data concentrator failures.Then,we establish a complete redundancy optimization model,which comprehensively consider the factors of reliability and economy.Finally,an advanced redundancy deployment method based on genetic algorithm(GA) is developed to solve the proposed problem.The simulation results testify that the proposed redundancy optimization method is capable to build a reliable and economic smart grid communication network.展开更多
文摘通信集中告警系统(Centralized Communication Alarm System)就是利用计算机系统及网络传输技术,它是在通信各子系统网管终端的基础上,增加的一级集中告警系统,对轨道交通各通信系统进行信息采集并集中反映到告警终端,使维护人员能及时了解轨道交通通信系统的故障信息以便于处理。本文针对现有CCAS误报、漏报严重,使用困难的现状,在充分掌握运维人员需求的基础上综合分析现有系统的一些设计理念和业务逻辑,并结合国内相关系统的技术和文献,设计并实现了一套集中告警系统,实践证明,该系统运行稳定、告警准确、使用方便,非常具有借鉴意义。
基金supported by the National HighTech ResearchDevelopment Program of China (863) under Grant No.2012AA050801
文摘This paper proposes a redundancy optimization method for smart grid Advanced Metering Infrastructure(AMI) to realize economy and reliability targets.AMI is a crucial part of the smart grid to measure,collect,and analyze data about energy usage and power quality from customer premises.From the communication perspective,the AMI consists of smart meters,Home Area Network(HAN) gateways and data concentrators;in particular,the redundancy optimization problem focus on deciding which data concentrator needs redundancy.In order to solve the problem,we first develop a quantitative analysis model for the network economic loss caused by the data concentrator failures.Then,we establish a complete redundancy optimization model,which comprehensively consider the factors of reliability and economy.Finally,an advanced redundancy deployment method based on genetic algorithm(GA) is developed to solve the proposed problem.The simulation results testify that the proposed redundancy optimization method is capable to build a reliable and economic smart grid communication network.