It follows from the analysis of artillery fire errors that approximately two-thirds of the inaccuracy of indirect artillery fire is caused by inaccuracies in the determination of the meteo parameters included in fire ...It follows from the analysis of artillery fire errors that approximately two-thirds of the inaccuracy of indirect artillery fire is caused by inaccuracies in the determination of the meteo parameters included in fire error budget model.Trajectories calculated under non-standard conditions are considered to be perturbed.The tools utilized for the analysis of perturbed trajectories are weighting factor functions(WFFs)which are a special kind of sensitivity functions.WFFs are used for calculation of meteo ballistic elements B(ballistic wind w B,densityρB,virtual temperatureτB,pressure p B)as well.We have found that the existing theory of WFF calculation has several significant shortcomings.The aim of the article is to present a new,improved theory of generalized WFFs that eliminates the deficiencies found.Using this theory will improve methods for designing firing tables,fire control systems algorithms,and meteo message generation algorithms.展开更多
针对微电网多储能单元因荷电状态、额定容量和线路阻抗差异导致部分储能单元过充过放,影响其使用寿命进而使微网稳定性调节能力变差的问题,提出一种基于变调节因子的多储能荷电状态(state of charge,SoC)均衡策略,通过反余切函数将下垂...针对微电网多储能单元因荷电状态、额定容量和线路阻抗差异导致部分储能单元过充过放,影响其使用寿命进而使微网稳定性调节能力变差的问题,提出一种基于变调节因子的多储能荷电状态(state of charge,SoC)均衡策略,通过反余切函数将下垂系数与SoC、额定容量关联,并引入虚拟压降补偿环节,实现多组储能单元间SoC均衡。在此基础上设计变调节因子,提高SoC均衡速度。仿真结果验证了所提策略能实现多组储能单元间SoC均衡,有效提升SoC均衡速度,并消除线路阻抗对SoC均衡及电流分配精度的影响。展开更多
基金support of financing from the Research Project for the Development of the Department of Weapons and Ammunition, Faculty of Military Technology, University of Defence, Brno, DZRO K–201
文摘It follows from the analysis of artillery fire errors that approximately two-thirds of the inaccuracy of indirect artillery fire is caused by inaccuracies in the determination of the meteo parameters included in fire error budget model.Trajectories calculated under non-standard conditions are considered to be perturbed.The tools utilized for the analysis of perturbed trajectories are weighting factor functions(WFFs)which are a special kind of sensitivity functions.WFFs are used for calculation of meteo ballistic elements B(ballistic wind w B,densityρB,virtual temperatureτB,pressure p B)as well.We have found that the existing theory of WFF calculation has several significant shortcomings.The aim of the article is to present a new,improved theory of generalized WFFs that eliminates the deficiencies found.Using this theory will improve methods for designing firing tables,fire control systems algorithms,and meteo message generation algorithms.
文摘针对微电网多储能单元因荷电状态、额定容量和线路阻抗差异导致部分储能单元过充过放,影响其使用寿命进而使微网稳定性调节能力变差的问题,提出一种基于变调节因子的多储能荷电状态(state of charge,SoC)均衡策略,通过反余切函数将下垂系数与SoC、额定容量关联,并引入虚拟压降补偿环节,实现多组储能单元间SoC均衡。在此基础上设计变调节因子,提高SoC均衡速度。仿真结果验证了所提策略能实现多组储能单元间SoC均衡,有效提升SoC均衡速度,并消除线路阻抗对SoC均衡及电流分配精度的影响。
