In the air combat process,confrontation position is the critical factor to determine the confrontation situation,attack effect and escape probability of UAVs.Therefore,selecting the optimal confrontation position beco...In the air combat process,confrontation position is the critical factor to determine the confrontation situation,attack effect and escape probability of UAVs.Therefore,selecting the optimal confrontation position becomes the primary goal of maneuver decision-making.By taking the position as the UAV’s maneuver strategy,this paper constructs the optimal confrontation position selecting games(OCPSGs)model.In the OCPSGs model,the payoff function of each UAV is defined by the difference between the comprehensive advantages of both sides,and the strategy space of each UAV at every step is defined by its accessible space determined by the maneuverability.Then we design the limit approximation of mixed strategy Nash equilibrium(LAMSNQ)algorithm,which provides a method to determine the optimal probability distribution of positions in the strategy space.In the simulation phase,we assume the motions on three directions are independent and the strategy space is a cuboid to simplify the model.Several simulations are performed to verify the feasibility,effectiveness and stability of the algorithm.展开更多
装备体系是作战体系在装备视角的反映,研究装备体系作战效能评估问题,对装备体系优化、建设发展具有重要现实意义。集群装备作战体系对抗,具有大规模、高动态、强对抗特点,传统方法难以对其作战效能直接进行评估,针对单一任务同构集群...装备体系是作战体系在装备视角的反映,研究装备体系作战效能评估问题,对装备体系优化、建设发展具有重要现实意义。集群装备作战体系对抗,具有大规模、高动态、强对抗特点,传统方法难以对其作战效能直接进行评估,针对单一任务同构集群装备体系(如无人机侦察蜂群、地面无人平台火力突击集群等),从多智能体博弈理论的视角,将装备体系对抗过程看作为多智能体系统马尔可夫博弈过程,提出一种基于多智能体博弈强化学习(reinforcement learning of multiagent game,RLoMAG)的装备体系作战效能评估方法。分析了评估方法原理,建立了装备体系对抗模型。给出了装备体系作战效能评估方法框架,包括智能体建模、博弈算法设计、装备体系作战效能指标设计,开展探索性体系对抗仿真,求解装备体系博弈最优策略,分析最优策略下的装备体系作战效能指标等步骤。以基地防御作战场景为背景,给出了无人机蜂群装备体系作战效能评估方法应用示例,验证了方法的有效性。展开更多
目的探索战时心理卫生救援队的职能、组织框架及主要工作策略。方法通过文献回顾与历年演训任务经验,同时在工作实践中提炼成果,总结战时心理卫生救援队的职能、组织框架及主要工作策略。结果初步归纳了战时心理卫生救援队的8项主要工...目的探索战时心理卫生救援队的职能、组织框架及主要工作策略。方法通过文献回顾与历年演训任务经验,同时在工作实践中提炼成果,总结战时心理卫生救援队的职能、组织框架及主要工作策略。结果初步归纳了战时心理卫生救援队的8项主要工作内容、组织框架与工作效能,以及一般性支持策略、物理康复与作业治疗、战斗应激反应(combat and operational stress reaction,COSR)“CALM-DOWNS”干预策略。结论心理卫生救援队是部队的机动卫勤力量,是战时和平时参与非战争军事行动应急卫勤支援保障力量体系的重要组成部分,在战时为降低心理伤减员和增强部队战斗力提供了专业支撑,及时梳理总结并进行研究,对心理卫生救援队的建设意义重大。展开更多
Manned combat aerial vehicles (MCAVs), and un-manned combat aerial vehicles (UCAVs) together form a cooper-ative engagement system to carry out operational mission, whichwill be a new air engagement style in the n...Manned combat aerial vehicles (MCAVs), and un-manned combat aerial vehicles (UCAVs) together form a cooper-ative engagement system to carry out operational mission, whichwill be a new air engagement style in the near future. On the basisof analyzing the structure of the MCAV/UCAV cooperative engage-ment system, this paper divides the unique system into three hi-erarchical levels, respectively, i.e., mission level, task-cluster leveland task level. To solve the formation and adjustment problem ofthe latter two levels, three corresponding mathematical modelsare established. To solve these models, three algorithms calledquantum artificial bee colony (QABC) algorithm, greedy strategy(GS) and two-stage greedy strategy (TSGS) are proposed. Finally,a series of simulation experiments are designed to verify the effec-tiveness and superiority of the proposed algorithms.展开更多
Game theory can be applied to the air combat decision-making problem of multiple unmanned combat air vehicles(UCAVs).However,it is difficult to have satisfactory decision-making results completely relying on air comba...Game theory can be applied to the air combat decision-making problem of multiple unmanned combat air vehicles(UCAVs).However,it is difficult to have satisfactory decision-making results completely relying on air combat situation information,because there is a lot of time-sensitive information in a complex air combat environment.In this paper,a constraint strategy game approach is developed to generate intelligent decision-making for multiple UCAVs in complex air combat environment with air combat situation information and time-sensitive information.Initially,a constraint strategy game is employed to model attack-defense decision-making problem in complex air combat environment.Then,an algorithm is proposed for solving the constraint strategy game based on linear programming and linear inequality(CSG-LL).Finally,an example is given to illustrate the effectiveness of the proposed approach.展开更多
The key advantage of unmanned swarm operation is its autonomous cooperation. How to improve the proportion of cooperators is one of the key issues of autonomous collaboration in unmanned swarm operations. This work pr...The key advantage of unmanned swarm operation is its autonomous cooperation. How to improve the proportion of cooperators is one of the key issues of autonomous collaboration in unmanned swarm operations. This work proposes a strategy dominance mechanism of autonomous collaboration in unmanned swarm within the framework of public goods game. It starts with the requirement analysis of autonomous collaboration in unmanned swarm;and an aspiration-driven multiplayer evolutionary game model is established based on the requirement. Then the average abundance function and strategy dominance condition of the model are constructed by theoretical derivation. Furthermore, the evolutionary mechanism of parameter adjustment in swarm cooperation is revealed via simulation,and the influences of the multiplication factor r, aspiration levelα, threshold m and other parameters on the strategy dominance conditions were simulated for both linear and threshold public goods games(PGGs) to determine the strategy dominance characteristics;Finally, deliberate proposals are suggested to provide a meaningful exploration in the actual control of unmanned swarm cooperation.展开更多
During the 2013–2016 Ebola epidemic in West Africa,there was a special team as part of an international effort working in field.This was the Chinese aid team deployed to West Africa as a multidisciplinary group compo...During the 2013–2016 Ebola epidemic in West Africa,there was a special team as part of an international effort working in field.This was the Chinese aid team deployed to West Africa as a multidisciplinary group composed of experienced virologists,epidemiologists and physicians.As part of an international effort,they participated in the control of Ebola virus disease from the very beginning until the end of展开更多
基金National Key R&D Program of China(Grant No.2021YFA1000402)National Natural Science Foundation of China(Grant No.72071159)to provide fund for conducting experiments。
文摘In the air combat process,confrontation position is the critical factor to determine the confrontation situation,attack effect and escape probability of UAVs.Therefore,selecting the optimal confrontation position becomes the primary goal of maneuver decision-making.By taking the position as the UAV’s maneuver strategy,this paper constructs the optimal confrontation position selecting games(OCPSGs)model.In the OCPSGs model,the payoff function of each UAV is defined by the difference between the comprehensive advantages of both sides,and the strategy space of each UAV at every step is defined by its accessible space determined by the maneuverability.Then we design the limit approximation of mixed strategy Nash equilibrium(LAMSNQ)algorithm,which provides a method to determine the optimal probability distribution of positions in the strategy space.In the simulation phase,we assume the motions on three directions are independent and the strategy space is a cuboid to simplify the model.Several simulations are performed to verify the feasibility,effectiveness and stability of the algorithm.
文摘装备体系是作战体系在装备视角的反映,研究装备体系作战效能评估问题,对装备体系优化、建设发展具有重要现实意义。集群装备作战体系对抗,具有大规模、高动态、强对抗特点,传统方法难以对其作战效能直接进行评估,针对单一任务同构集群装备体系(如无人机侦察蜂群、地面无人平台火力突击集群等),从多智能体博弈理论的视角,将装备体系对抗过程看作为多智能体系统马尔可夫博弈过程,提出一种基于多智能体博弈强化学习(reinforcement learning of multiagent game,RLoMAG)的装备体系作战效能评估方法。分析了评估方法原理,建立了装备体系对抗模型。给出了装备体系作战效能评估方法框架,包括智能体建模、博弈算法设计、装备体系作战效能指标设计,开展探索性体系对抗仿真,求解装备体系博弈最优策略,分析最优策略下的装备体系作战效能指标等步骤。以基地防御作战场景为背景,给出了无人机蜂群装备体系作战效能评估方法应用示例,验证了方法的有效性。
文摘目的探索战时心理卫生救援队的职能、组织框架及主要工作策略。方法通过文献回顾与历年演训任务经验,同时在工作实践中提炼成果,总结战时心理卫生救援队的职能、组织框架及主要工作策略。结果初步归纳了战时心理卫生救援队的8项主要工作内容、组织框架与工作效能,以及一般性支持策略、物理康复与作业治疗、战斗应激反应(combat and operational stress reaction,COSR)“CALM-DOWNS”干预策略。结论心理卫生救援队是部队的机动卫勤力量,是战时和平时参与非战争军事行动应急卫勤支援保障力量体系的重要组成部分,在战时为降低心理伤减员和增强部队战斗力提供了专业支撑,及时梳理总结并进行研究,对心理卫生救援队的建设意义重大。
基金supported by the National Natural Science Foundation of China(61573017)the Doctoral Innovation Found of Air Force Engineering University(KGD08101604)
文摘Manned combat aerial vehicles (MCAVs), and un-manned combat aerial vehicles (UCAVs) together form a cooper-ative engagement system to carry out operational mission, whichwill be a new air engagement style in the near future. On the basisof analyzing the structure of the MCAV/UCAV cooperative engage-ment system, this paper divides the unique system into three hi-erarchical levels, respectively, i.e., mission level, task-cluster leveland task level. To solve the formation and adjustment problem ofthe latter two levels, three corresponding mathematical modelsare established. To solve these models, three algorithms calledquantum artificial bee colony (QABC) algorithm, greedy strategy(GS) and two-stage greedy strategy (TSGS) are proposed. Finally,a series of simulation experiments are designed to verify the effec-tiveness and superiority of the proposed algorithms.
基金supported by Major Projects for Science and Technology Innovation 2030(Grant No.2018AA0100800)Equipment Pre-research Foundation of Laboratory(Grant No.61425040104)in part by Jiangsu Province“333”project under Grant BRA2019051.
文摘Game theory can be applied to the air combat decision-making problem of multiple unmanned combat air vehicles(UCAVs).However,it is difficult to have satisfactory decision-making results completely relying on air combat situation information,because there is a lot of time-sensitive information in a complex air combat environment.In this paper,a constraint strategy game approach is developed to generate intelligent decision-making for multiple UCAVs in complex air combat environment with air combat situation information and time-sensitive information.Initially,a constraint strategy game is employed to model attack-defense decision-making problem in complex air combat environment.Then,an algorithm is proposed for solving the constraint strategy game based on linear programming and linear inequality(CSG-LL).Finally,an example is given to illustrate the effectiveness of the proposed approach.
基金supported by the National Natural Science Foundation of China(71901217)the National Key R&D Program of China(2018YFC0806900).
文摘The key advantage of unmanned swarm operation is its autonomous cooperation. How to improve the proportion of cooperators is one of the key issues of autonomous collaboration in unmanned swarm operations. This work proposes a strategy dominance mechanism of autonomous collaboration in unmanned swarm within the framework of public goods game. It starts with the requirement analysis of autonomous collaboration in unmanned swarm;and an aspiration-driven multiplayer evolutionary game model is established based on the requirement. Then the average abundance function and strategy dominance condition of the model are constructed by theoretical derivation. Furthermore, the evolutionary mechanism of parameter adjustment in swarm cooperation is revealed via simulation,and the influences of the multiplication factor r, aspiration levelα, threshold m and other parameters on the strategy dominance conditions were simulated for both linear and threshold public goods games(PGGs) to determine the strategy dominance characteristics;Finally, deliberate proposals are suggested to provide a meaningful exploration in the actual control of unmanned swarm cooperation.
基金supported by Major Special Projects for Infectious Disease Research of China (2016ZX10004222-003)National Natural Science Foundation of China (81401312, 81373141)the National Natural Science Foundation of China (81321063 to George F. Gao)
文摘During the 2013–2016 Ebola epidemic in West Africa,there was a special team as part of an international effort working in field.This was the Chinese aid team deployed to West Africa as a multidisciplinary group composed of experienced virologists,epidemiologists and physicians.As part of an international effort,they participated in the control of Ebola virus disease from the very beginning until the end of