Maintenance is an important aspect in the lifecycle of communication network devices.Prevalent problems in the maintenance of communication networks include inconvenient data carrying and sub-optimal scheduling of wor...Maintenance is an important aspect in the lifecycle of communication network devices.Prevalent problems in the maintenance of communication networks include inconvenient data carrying and sub-optimal scheduling of work orders,which significantly restrict the efficiency of maintenance work.Moreover,most maintenance systems are still based on cloud architectures that slow down data transfer.With a focus on the completion time,quality,and load balancing of maintenance work,we propose in this paper a learning-based virus evolutionary genetic algorithm with multiple quality-ofservice(QoS)constraints to implement intelligent scheduling in an edge network.The algorithm maintains the diversity of the population and improves the speed of convergence using a fitness function and a learning-based population generation mechanism.The test results demonstrate that the algorithm delivers good performance in terms of load balancing and QoS guarantee.We also propose a knowledge push algorithm based on a context model for intelligently pushing relevant knowledge according to the given conditions.The simulation results demonstrate that our scheme can improve the efficiency of on-site maintenance.展开更多
随着我国经济的不断增长,科学技术也在不断进步,在此背景下我国的广播电视业务不断延伸,满足当前的各类需求。广播电视需要稳定的电路,以此来维持节目安全播出,如果电源出现问题,则会导致供电波动,还可能引发各类风险事故。若想规避电...随着我国经济的不断增长,科学技术也在不断进步,在此背景下我国的广播电视业务不断延伸,满足当前的各类需求。广播电视需要稳定的电路,以此来维持节目安全播出,如果电源出现问题,则会导致供电波动,还可能引发各类风险事故。若想规避电源可能出现的异常情况,要考虑到广播电视在运行中需要的电量,借助不间断电源(Uninterruptible Power Supply,UPS)装置进行优化,从而在异常情况下通过蓄电池来保持供电,确保安全播出机房的稳定运行。文章将对UPS电源在广播电视安全播出机房中的应用及维护进行分析论述,并提出具体策略,以期为相关人员提供参考。展开更多
不间断电源(Uninterruptible Power Supply,UPS)作为电力调度自动化系统中的基础结构,承担着提供稳定、高质量供电的任务。文章在概述UPS工作原理、功能及分类的基础上,依托实践经验,提出UPS系统在电力调度自动化系统中的应用设计。重...不间断电源(Uninterruptible Power Supply,UPS)作为电力调度自动化系统中的基础结构,承担着提供稳定、高质量供电的任务。文章在概述UPS工作原理、功能及分类的基础上,依托实践经验,提出UPS系统在电力调度自动化系统中的应用设计。重点阐述UPS系统的供电负荷、容量确定、建设模式等设计要点,并梳理总结UPS系统的运行维护方法,以提高UPS系统的运维水平,为电力调度自动化系统的高效、稳定运行提供有力保障。展开更多
In underground operation,primary consideration is safety.In recent decades,for minimizing accident and for preventing major economic losses and casualties,wireless sensors are used by various large mineral countries t...In underground operation,primary consideration is safety.In recent decades,for minimizing accident and for preventing major economic losses and casualties,wireless sensors are used by various large mineral countries through early warning.The Improved DV-Hop Localization Algorithm(IDVHLA)is used in existing works for doing this.However,accurate anchor node detection is impossible in existing works with the malicious nodes presence,where there won’t be any accurate sharing of anchor node’s location information.In case of emergency situation,faster communication is a highly complex one.A technique calledModified Distance Vector Hop based Multipath Routing Protocol(MDVHMRP)is introduced in this proposed research work for resolving this.In this work,to detect anchor node position,a Modified Distance Vector Hop technique is introduced.This research work considers time taken and session time for computing neighbour node’s presence in addition to hop count values.Malicious nodes presence can be avoided by considering session time in neighbour node presence detection.The alert message are send by people in emergency crisis to sever in initial condition.Then Dynamic Source Routing(DSR)routing protocol is used for doing immediate route path selection.In case of route path failure,for ensuring uninterrupted communication and faster communication,this work introduces amulti path routing.Themodified distance vector hop technique is used for predicting anchor node location information and predicted information will be transmitted.In NS2 simulation environment,overall evaluation of this research work is carried out.When compared with available techniques,localization accuracy is enhanced by proposed technique as proven in experimental results.展开更多
文摘Maintenance is an important aspect in the lifecycle of communication network devices.Prevalent problems in the maintenance of communication networks include inconvenient data carrying and sub-optimal scheduling of work orders,which significantly restrict the efficiency of maintenance work.Moreover,most maintenance systems are still based on cloud architectures that slow down data transfer.With a focus on the completion time,quality,and load balancing of maintenance work,we propose in this paper a learning-based virus evolutionary genetic algorithm with multiple quality-ofservice(QoS)constraints to implement intelligent scheduling in an edge network.The algorithm maintains the diversity of the population and improves the speed of convergence using a fitness function and a learning-based population generation mechanism.The test results demonstrate that the algorithm delivers good performance in terms of load balancing and QoS guarantee.We also propose a knowledge push algorithm based on a context model for intelligently pushing relevant knowledge according to the given conditions.The simulation results demonstrate that our scheme can improve the efficiency of on-site maintenance.
文摘随着我国经济的不断增长,科学技术也在不断进步,在此背景下我国的广播电视业务不断延伸,满足当前的各类需求。广播电视需要稳定的电路,以此来维持节目安全播出,如果电源出现问题,则会导致供电波动,还可能引发各类风险事故。若想规避电源可能出现的异常情况,要考虑到广播电视在运行中需要的电量,借助不间断电源(Uninterruptible Power Supply,UPS)装置进行优化,从而在异常情况下通过蓄电池来保持供电,确保安全播出机房的稳定运行。文章将对UPS电源在广播电视安全播出机房中的应用及维护进行分析论述,并提出具体策略,以期为相关人员提供参考。
文摘不间断电源(Uninterruptible Power Supply,UPS)作为电力调度自动化系统中的基础结构,承担着提供稳定、高质量供电的任务。文章在概述UPS工作原理、功能及分类的基础上,依托实践经验,提出UPS系统在电力调度自动化系统中的应用设计。重点阐述UPS系统的供电负荷、容量确定、建设模式等设计要点,并梳理总结UPS系统的运行维护方法,以提高UPS系统的运维水平,为电力调度自动化系统的高效、稳定运行提供有力保障。
文摘In underground operation,primary consideration is safety.In recent decades,for minimizing accident and for preventing major economic losses and casualties,wireless sensors are used by various large mineral countries through early warning.The Improved DV-Hop Localization Algorithm(IDVHLA)is used in existing works for doing this.However,accurate anchor node detection is impossible in existing works with the malicious nodes presence,where there won’t be any accurate sharing of anchor node’s location information.In case of emergency situation,faster communication is a highly complex one.A technique calledModified Distance Vector Hop based Multipath Routing Protocol(MDVHMRP)is introduced in this proposed research work for resolving this.In this work,to detect anchor node position,a Modified Distance Vector Hop technique is introduced.This research work considers time taken and session time for computing neighbour node’s presence in addition to hop count values.Malicious nodes presence can be avoided by considering session time in neighbour node presence detection.The alert message are send by people in emergency crisis to sever in initial condition.Then Dynamic Source Routing(DSR)routing protocol is used for doing immediate route path selection.In case of route path failure,for ensuring uninterrupted communication and faster communication,this work introduces amulti path routing.Themodified distance vector hop technique is used for predicting anchor node location information and predicted information will be transmitted.In NS2 simulation environment,overall evaluation of this research work is carried out.When compared with available techniques,localization accuracy is enhanced by proposed technique as proven in experimental results.