Sustainability evaluation of regional microgrid interconnection system is conducive to a profound and comprehensive understanding of the impact of interconnection system projects.In order to realize the comprehensive ...Sustainability evaluation of regional microgrid interconnection system is conducive to a profound and comprehensive understanding of the impact of interconnection system projects.In order to realize the comprehensive and scientific intelligent evaluation of the system,this paper proposes an evaluation model based on combination entropy weight rank order-technique for order preference by similarity to an ideal solution(TOPSIS)and Niche Immune Lion Algorithm-Extreme Learning Machine with Kernel(NILAKELM).Firstly,the sustainability evaluation indicator system of the regional microgrid interconnection system is constructed fromfour aspects of economic,environmental,social,and technical characteristics,and the evaluation indicators are explained.Then,the classical evaluationmodel based on TOPSIS is constructed,and the entropy weight method and rank order method(RO)are coupled to obtain the indicator weight.The niche immune algorithm is used to improve the lion algorithm,and the improved lion algorithm is used to optimize the parameters of KELM,and the intelligent evaluation model based on NILA-KELM is obtained to realize fast real-time calculation.Finally,the scientificity and accuracy of themodel proposed in this paper are verified.The model proposed in this paper has the lowest RMSE,MAE and RE values,indicating that its intelligent evaluation results are the most accurate.This study is conducive to the horizontal comparison of the overall performance of regional microgrid interconnection system projects,helps investors to choose the most promising project scheme,and helps the government to find feasible project.展开更多
药用野生稻1665(O.officinalsWall et Watt)和栽培稻桂99远缘杂交后,连续回交、自交筛选得到一个近等基因系B3F4。本研究利用B3F4对来源于药用野生稻1665的抗褐飞虱基因进行分子标记研究,获得2个与抗褐飞虱基因表现连锁的RAPD标记,并分...药用野生稻1665(O.officinalsWall et Watt)和栽培稻桂99远缘杂交后,连续回交、自交筛选得到一个近等基因系B3F4。本研究利用B3F4对来源于药用野生稻1665的抗褐飞虱基因进行分子标记研究,获得2个与抗褐飞虱基因表现连锁的RAPD标记,并分别完成B3F4植株的RAPD标记分析.利用MAPMAKER/EXP.Version 3.0,构建局部连锁遗传图谱,覆盖大小为3.0cM,标记间平均距离为1.0 cM。为下一步水稻抗褐飞虱基因的精确定位和克隆分离打下了坚实的基础。展开更多
基金This work is supported by Natural Science Foundation of Hebei Province,China(Project No.G2020403008)Humanities and Social Science Research Project of Hebei Education Department,China(Project No.SD2021044)the Fundamental Research Funds for the Universities in Hebei Province,China(Project No.QN202210).
文摘Sustainability evaluation of regional microgrid interconnection system is conducive to a profound and comprehensive understanding of the impact of interconnection system projects.In order to realize the comprehensive and scientific intelligent evaluation of the system,this paper proposes an evaluation model based on combination entropy weight rank order-technique for order preference by similarity to an ideal solution(TOPSIS)and Niche Immune Lion Algorithm-Extreme Learning Machine with Kernel(NILAKELM).Firstly,the sustainability evaluation indicator system of the regional microgrid interconnection system is constructed fromfour aspects of economic,environmental,social,and technical characteristics,and the evaluation indicators are explained.Then,the classical evaluationmodel based on TOPSIS is constructed,and the entropy weight method and rank order method(RO)are coupled to obtain the indicator weight.The niche immune algorithm is used to improve the lion algorithm,and the improved lion algorithm is used to optimize the parameters of KELM,and the intelligent evaluation model based on NILA-KELM is obtained to realize fast real-time calculation.Finally,the scientificity and accuracy of themodel proposed in this paper are verified.The model proposed in this paper has the lowest RMSE,MAE and RE values,indicating that its intelligent evaluation results are the most accurate.This study is conducive to the horizontal comparison of the overall performance of regional microgrid interconnection system projects,helps investors to choose the most promising project scheme,and helps the government to find feasible project.
文摘药用野生稻1665(O.officinalsWall et Watt)和栽培稻桂99远缘杂交后,连续回交、自交筛选得到一个近等基因系B3F4。本研究利用B3F4对来源于药用野生稻1665的抗褐飞虱基因进行分子标记研究,获得2个与抗褐飞虱基因表现连锁的RAPD标记,并分别完成B3F4植株的RAPD标记分析.利用MAPMAKER/EXP.Version 3.0,构建局部连锁遗传图谱,覆盖大小为3.0cM,标记间平均距离为1.0 cM。为下一步水稻抗褐飞虱基因的精确定位和克隆分离打下了坚实的基础。
