The combined heat and power economic dispatch(CHPED)problem is a highly intricate energy dispatch challenge that aims to minimize fuel costs while adhering to various constraints.This paper presents a hybrid different...The combined heat and power economic dispatch(CHPED)problem is a highly intricate energy dispatch challenge that aims to minimize fuel costs while adhering to various constraints.This paper presents a hybrid differential evolution(DE)algorithm combined with an improved equilibrium optimizer(DE-IEO)specifically for the CHPED problem.The DE-IEO incorporates three enhancement strategies:a chaotic mechanism for initializing the population,an improved equilibrium pool strategy,and a quasi-opposite based learning mechanism.These strategies enhance the individual utilization capabilities of the equilibrium optimizer,while differential evolution boosts local exploitation and escape capabilities.The IEO enhances global search to enrich the solution space,and DE focuses on local exploitation for more accurate solutions.The effectiveness of DE-IEO is demonstrated through comparative analysis with other metaheuristic optimization algorithms,including PSO,DE,ABC,GWO,WOA,SCA,and equilibrium optimizer(EO).Additionally,improved algorithms such as the enhanced chaotic gray wolf optimization(ACGWO),improved particle swarm with adaptive strategy(MPSO),and enhanced SCA with elite and dynamic opposite learning(EDOLSCA)were tested on the CEC2017 benchmark suite and four CHPED systems with 24,84,96,and 192 units,respectively.The results indicate that the proposed DE-IEO algorithm achieves satisfactory solutions for both the CEC2017 test functions and real-world CHPED optimization problems,offering a viable approach to complex optimization challenges.展开更多
Taihu Snow (838262) is a home textile manufacturing company listed on the Beijing Stock Exchange in 2022.It is a bedding manufacturer focusing on silk products.The company was esta blished on May 18,2006,Centered arou...Taihu Snow (838262) is a home textile manufacturing company listed on the Beijing Stock Exchange in 2022.It is a bedding manufacturer focusing on silk products.The company was esta blished on May 18,2006,Centered around the"Taihu Snow"brand,its products cover suite products (such as pillowcases,quilt covers,sheets),quilt cores,silk scarves and otheremerging retail products.展开更多
SUMMARIES OF TOP NEWS STORIES 42nd Antarctic Expedition Kicked Off China’s 42nd Antarctic expedition team set sail from Shanghai on 1 November.During this expedition,a suite of new technologies will be deployed and t...SUMMARIES OF TOP NEWS STORIES 42nd Antarctic Expedition Kicked Off China’s 42nd Antarctic expedition team set sail from Shanghai on 1 November.During this expedition,a suite of new technologies will be deployed and tested in the icy wilderness of the Antarctic.展开更多
有许多软件可以帮助分子生物学工作者解决一些他们日常实验室工作中遇到的问题。Vector NTI Su ite是一种高度集成、功能齐全的分子生物学应用软件,它可以对核酸、蛋白质等分子进行大量的操作和分析,以及建立和管理生物数据库。重点对Ve...有许多软件可以帮助分子生物学工作者解决一些他们日常实验室工作中遇到的问题。Vector NTI Su ite是一种高度集成、功能齐全的分子生物学应用软件,它可以对核酸、蛋白质等分子进行大量的操作和分析,以及建立和管理生物数据库。重点对Vector NTI Su ite软件的概况、应用现状及其在分子生物学领域的应用进行综述与探讨。展开更多
基于Blackboard平台数据库,研究设计了一种运行数据分析系统.在Blackboard网络教学平台中,用户的课程访问记录、测试使用情况、论坛使用情况可通过ACTIVITY_ACCUMULA-TOR、ATTEMPT、FORUM_MAIN等表的记录、计算后得到.所有数据从Blackbo...基于Blackboard平台数据库,研究设计了一种运行数据分析系统.在Blackboard网络教学平台中,用户的课程访问记录、测试使用情况、论坛使用情况可通过ACTIVITY_ACCUMULA-TOR、ATTEMPT、FORUM_MAIN等表的记录、计算后得到.所有数据从Blackboard平台数据库(ora-cle)导出到SQL Server数据库,再经过数据处理、汇总后,进行按课程汇总分析、按用户汇总分析、平台整体汇总分析.开发的数据分析系统利用SQL Server 2005对数据进行管理,易维护、扩展,数据传输和计算均在服务器端完成,增强了系统安全性和易维护性;采用Microsoft.NET MVC架构开发B/S网站,系统界面友好、简捷易操作.实际运行表明,Blackboard平台运行数据分析系统运行速度快、操作透明度高,对历史数据和准实时数据均能进行查询,结果准确.此系统已在实践中应用,并取得了良好效果.展开更多
基金supported by the Scientific Research Project of Xiangsihu College of Guangxi Minzu University,Grant No.2024XJKY06the National Natural Science Foundation of China under Grant No.U21A20464.
文摘The combined heat and power economic dispatch(CHPED)problem is a highly intricate energy dispatch challenge that aims to minimize fuel costs while adhering to various constraints.This paper presents a hybrid differential evolution(DE)algorithm combined with an improved equilibrium optimizer(DE-IEO)specifically for the CHPED problem.The DE-IEO incorporates three enhancement strategies:a chaotic mechanism for initializing the population,an improved equilibrium pool strategy,and a quasi-opposite based learning mechanism.These strategies enhance the individual utilization capabilities of the equilibrium optimizer,while differential evolution boosts local exploitation and escape capabilities.The IEO enhances global search to enrich the solution space,and DE focuses on local exploitation for more accurate solutions.The effectiveness of DE-IEO is demonstrated through comparative analysis with other metaheuristic optimization algorithms,including PSO,DE,ABC,GWO,WOA,SCA,and equilibrium optimizer(EO).Additionally,improved algorithms such as the enhanced chaotic gray wolf optimization(ACGWO),improved particle swarm with adaptive strategy(MPSO),and enhanced SCA with elite and dynamic opposite learning(EDOLSCA)were tested on the CEC2017 benchmark suite and four CHPED systems with 24,84,96,and 192 units,respectively.The results indicate that the proposed DE-IEO algorithm achieves satisfactory solutions for both the CEC2017 test functions and real-world CHPED optimization problems,offering a viable approach to complex optimization challenges.
文摘Taihu Snow (838262) is a home textile manufacturing company listed on the Beijing Stock Exchange in 2022.It is a bedding manufacturer focusing on silk products.The company was esta blished on May 18,2006,Centered around the"Taihu Snow"brand,its products cover suite products (such as pillowcases,quilt covers,sheets),quilt cores,silk scarves and otheremerging retail products.
文摘SUMMARIES OF TOP NEWS STORIES 42nd Antarctic Expedition Kicked Off China’s 42nd Antarctic expedition team set sail from Shanghai on 1 November.During this expedition,a suite of new technologies will be deployed and tested in the icy wilderness of the Antarctic.
文摘有许多软件可以帮助分子生物学工作者解决一些他们日常实验室工作中遇到的问题。Vector NTI Su ite是一种高度集成、功能齐全的分子生物学应用软件,它可以对核酸、蛋白质等分子进行大量的操作和分析,以及建立和管理生物数据库。重点对Vector NTI Su ite软件的概况、应用现状及其在分子生物学领域的应用进行综述与探讨。
文摘基于Blackboard平台数据库,研究设计了一种运行数据分析系统.在Blackboard网络教学平台中,用户的课程访问记录、测试使用情况、论坛使用情况可通过ACTIVITY_ACCUMULA-TOR、ATTEMPT、FORUM_MAIN等表的记录、计算后得到.所有数据从Blackboard平台数据库(ora-cle)导出到SQL Server数据库,再经过数据处理、汇总后,进行按课程汇总分析、按用户汇总分析、平台整体汇总分析.开发的数据分析系统利用SQL Server 2005对数据进行管理,易维护、扩展,数据传输和计算均在服务器端完成,增强了系统安全性和易维护性;采用Microsoft.NET MVC架构开发B/S网站,系统界面友好、简捷易操作.实际运行表明,Blackboard平台运行数据分析系统运行速度快、操作透明度高,对历史数据和准实时数据均能进行查询,结果准确.此系统已在实践中应用,并取得了良好效果.