Dear Editor, As a promising multi-agent systems(MASs) operation, autonomous interception has attracted more and more attentions in these years, where defenders prevent intruders from reaching destinations.So far, most...Dear Editor, As a promising multi-agent systems(MASs) operation, autonomous interception has attracted more and more attentions in these years, where defenders prevent intruders from reaching destinations.So far, most of the relevant methods are applied in ideal environments without agent damages. As a remedy, this letter proposes a more realistic interception method for MASs suffered by damages.展开更多
Nitrogen-14(^(14)N)overtone(OT)spectroscopy under fast magic angle spinning(MAS)conditions(>60 kHz)has emerged as a powerful technique for observing correlations and distances between ^(14)N and ^(1)H,owing to the ...Nitrogen-14(^(14)N)overtone(OT)spectroscopy under fast magic angle spinning(MAS)conditions(>60 kHz)has emerged as a powerful technique for observing correlations and distances between ^(14)N and ^(1)H,owing to the absence of the first-order quadrupolar broadenings.In addition,^(14)N^(OT) allows selective manipulation of ^(14)N nuclei for each site.Despite extensive theoretical and experimental studies,the spin dynamics of ^(14)N^(OT) remains under debate.In this study,we conducted experimental investigations to assess the spin dynamics of ^(14)N^(OT) using the rotational-echo saturation-pulse double-resonance(RESPDOR)sequence,which monitors population transfer induced by a^(14)N^(OT) pulse.The ^(14)N^(OT) spin dynamics is well represented by a model of a two-energy-level system.Unlike spin-1/2,the maximum excitation efficiency of ^(14)N^(OT) coherences of powdered solids,denoted by p,depends on the radiofrequency field(rf-field)strength due to orientation dependence of effective nutation fields even when pulse lengths are optimized.It is also found that the p factor,contributing to the ^(14)N^(OT) spin dynamics,is nearly independent of the B0 field.Consequently,the filtering efficiency of RESPDOR experiments exhibits negligible dependence on B0 when the ^(14)N^(OT) pulse length is optimized.The study also identifies the optimal experimental conditions for ^(14)N^(OT)/^(1)H RESPDOR correlation experiments.展开更多
为改善增程式电动汽车(EREV)燃油经济性,提出一种基于多智能体MAS(multi-agent system)组网技术的增程式电动汽车能量管理策略。在Simulink环境中搭建EREV整车动力学模型,利用JADE(Java development framework)平台构建各动力部件智能...为改善增程式电动汽车(EREV)燃油经济性,提出一种基于多智能体MAS(multi-agent system)组网技术的增程式电动汽车能量管理策略。在Simulink环境中搭建EREV整车动力学模型,利用JADE(Java development framework)平台构建各动力部件智能体以实现组网,采用MAS组网技术对恒温器式能量管理策略进行改进,通过MACSimJX组件将动力部件多智能体组网系统与Simulink整车动力学模型连接,并在WLTC工况下进行仿真验证。仿真结果表明:与动态规划控制策略相比,MAS组网技术的整车节油率为3.3%,电能消耗高出1.7%,总能量消耗率减少1.4%;与传统电辅助控制策略相比,整车节油率为18.2%,电能损耗减少12.4%,总能量消耗率减少16.6%。MAS组网技术可以有效改善整车能量控制效果,并为混合动力汽车能量管理策略提供理论支撑和新的研究方法。展开更多
基金supported by the Science and Technology Project of State Grid Corporation of China, China (5100202199557A-0-5-ZN)。
文摘Dear Editor, As a promising multi-agent systems(MASs) operation, autonomous interception has attracted more and more attentions in these years, where defenders prevent intruders from reaching destinations.So far, most of the relevant methods are applied in ideal environments without agent damages. As a remedy, this letter proposes a more realistic interception method for MASs suffered by damages.
文摘Nitrogen-14(^(14)N)overtone(OT)spectroscopy under fast magic angle spinning(MAS)conditions(>60 kHz)has emerged as a powerful technique for observing correlations and distances between ^(14)N and ^(1)H,owing to the absence of the first-order quadrupolar broadenings.In addition,^(14)N^(OT) allows selective manipulation of ^(14)N nuclei for each site.Despite extensive theoretical and experimental studies,the spin dynamics of ^(14)N^(OT) remains under debate.In this study,we conducted experimental investigations to assess the spin dynamics of ^(14)N^(OT) using the rotational-echo saturation-pulse double-resonance(RESPDOR)sequence,which monitors population transfer induced by a^(14)N^(OT) pulse.The ^(14)N^(OT) spin dynamics is well represented by a model of a two-energy-level system.Unlike spin-1/2,the maximum excitation efficiency of ^(14)N^(OT) coherences of powdered solids,denoted by p,depends on the radiofrequency field(rf-field)strength due to orientation dependence of effective nutation fields even when pulse lengths are optimized.It is also found that the p factor,contributing to the ^(14)N^(OT) spin dynamics,is nearly independent of the B0 field.Consequently,the filtering efficiency of RESPDOR experiments exhibits negligible dependence on B0 when the ^(14)N^(OT) pulse length is optimized.The study also identifies the optimal experimental conditions for ^(14)N^(OT)/^(1)H RESPDOR correlation experiments.
文摘为改善增程式电动汽车(EREV)燃油经济性,提出一种基于多智能体MAS(multi-agent system)组网技术的增程式电动汽车能量管理策略。在Simulink环境中搭建EREV整车动力学模型,利用JADE(Java development framework)平台构建各动力部件智能体以实现组网,采用MAS组网技术对恒温器式能量管理策略进行改进,通过MACSimJX组件将动力部件多智能体组网系统与Simulink整车动力学模型连接,并在WLTC工况下进行仿真验证。仿真结果表明:与动态规划控制策略相比,MAS组网技术的整车节油率为3.3%,电能消耗高出1.7%,总能量消耗率减少1.4%;与传统电辅助控制策略相比,整车节油率为18.2%,电能损耗减少12.4%,总能量消耗率减少16.6%。MAS组网技术可以有效改善整车能量控制效果,并为混合动力汽车能量管理策略提供理论支撑和新的研究方法。
