在目标-攻击弹-防御弹群(target-attacker-defenders,TADs)系统中,防御弹群通过与目标(载机)异构协同、弹群间同构协同以保护载机并降低单弹脱靶的风险。针对TADs系统在二维平面下的协同主动防御模型进行了研究,采用机/弹协同和防御弹...在目标-攻击弹-防御弹群(target-attacker-defenders,TADs)系统中,防御弹群通过与目标(载机)异构协同、弹群间同构协同以保护载机并降低单弹脱靶的风险。针对TADs系统在二维平面下的协同主动防御模型进行了研究,采用机/弹协同和防御弹群协同的两层制导策略。在机弹协同方面,防御弹领弹与载机进行异构协同,考虑载机及防御弹领弹的机动能力限制,采用协同视线制导律(cooperative line of sight guidance,CLOSG)分别得到载机和防御弹领弹的制导指令;在防御弹群协同方面,考虑单弹计算能力约束,拦截时间约束和加速度约束,设计出基于分布式模型预测控制(distributed model predictive control,DMPC)的算法实现弹群从弹和防御弹领弹协同同时抵达并拦截攻击弹。仿真结果表明,多防御弹协同一致拦截制导算法能够实现TADs系统中载机和防御弹群的异构协同主动防御,并实现防御弹群的一致性同时拦截,以降低单弹脱靶的风险。展开更多
An active protection coating for pH-responsive was prepared.The hollow mesoporous silica microspheres(HMSNs)were loaded with 2-mercaptobenzothiazole(MBT),and then they were coated with chitosan(CS).The composite micro...An active protection coating for pH-responsive was prepared.The hollow mesoporous silica microspheres(HMSNs)were loaded with 2-mercaptobenzothiazole(MBT),and then they were coated with chitosan(CS).The composite microspheres were in the range of 650−750 nm in diameter.CS-HMSN-MBT coating had a faster repair rate under acidic conditions by synergistic effect between CS and MBT.The repair rate under alkaline conditions was slowed down.The active protection performance reached the strongest after 3 d immersion.The corrosion inhibitor release mechanism was optimized to extend the service life of the coating and to achieve long-term service of the copper substrate.展开更多
文摘在目标-攻击弹-防御弹群(target-attacker-defenders,TADs)系统中,防御弹群通过与目标(载机)异构协同、弹群间同构协同以保护载机并降低单弹脱靶的风险。针对TADs系统在二维平面下的协同主动防御模型进行了研究,采用机/弹协同和防御弹群协同的两层制导策略。在机弹协同方面,防御弹领弹与载机进行异构协同,考虑载机及防御弹领弹的机动能力限制,采用协同视线制导律(cooperative line of sight guidance,CLOSG)分别得到载机和防御弹领弹的制导指令;在防御弹群协同方面,考虑单弹计算能力约束,拦截时间约束和加速度约束,设计出基于分布式模型预测控制(distributed model predictive control,DMPC)的算法实现弹群从弹和防御弹领弹协同同时抵达并拦截攻击弹。仿真结果表明,多防御弹协同一致拦截制导算法能够实现TADs系统中载机和防御弹群的异构协同主动防御,并实现防御弹群的一致性同时拦截,以降低单弹脱靶的风险。
基金Project(2023YFC2907304)supported by the National Key R&D Program Projects,ChinaProject(ZR2021ME087)supported by the Natural Science Foundation of Shandong Province,China+1 种基金Project(2022KLMM305)supported by the Shandong Provincial Key Laboratory of Mining Machinery Engineering School Enterprise Joint Fund,ChinaProject(2023CXPT062)supported by the Shandong Key Research and Development Program(Competitive Innovation Platform),China。
文摘An active protection coating for pH-responsive was prepared.The hollow mesoporous silica microspheres(HMSNs)were loaded with 2-mercaptobenzothiazole(MBT),and then they were coated with chitosan(CS).The composite microspheres were in the range of 650−750 nm in diameter.CS-HMSN-MBT coating had a faster repair rate under acidic conditions by synergistic effect between CS and MBT.The repair rate under alkaline conditions was slowed down.The active protection performance reached the strongest after 3 d immersion.The corrosion inhibitor release mechanism was optimized to extend the service life of the coating and to achieve long-term service of the copper substrate.