In air combat,one effective way to counter an incoming missile attacking an aircraft is to launch a defense missile compared with traditional passive defense strategies such as decoy and electronic countermeasures.To ...In air combat,one effective way to counter an incoming missile attacking an aircraft is to launch a defense missile compared with traditional passive defense strategies such as decoy and electronic countermeasures.To address this issue,this paper proposes a three-body cooperative active defense guidance law with overload constraints from the perspective of a small speed ratio.First,a cooperative guidance-oriented model for active defense is established and linearized to provide a foundation for the design of the guidance law.Then,the essential quantity known as Zero-Effort-Miss(ZEM)is analyzed during the engagement process.In order to minimize the influence of inaccurate estimates of remaining flight time in the ZEM,the concept of Zero-Effort-Velocity(ZEV)is introduced.Subsequently,utilizing the sliding mode control method,the guidance law is designed by selecting the ZEM and ZEV as sliding mode surfaces,combined with the fast power reaching law,and its finite-time stability is analyzed using the Lyapunov method.Furthermore,to quantitatively evaluate the performance of the proposed active defense guidance law,the interception rendezvous angle index is introduced.The proposed active defense guidance law considers integrating information from the incoming missile,aircraft,and defense missile with fewer simplifications and assumptions,and ensures that the aircraft is effectively protected with less overload required for the defense missile.Finally,simulation experiments demonstrate the effectiveness and adaptability of the proposed active defense guidance law.展开更多
In this work,we attempt to investigate a luring cooperative guidance strategy for three-player inducer–defender–attacker engagement with field-of-view(FOV)and overload constraints against an attacker with speed adva...In this work,we attempt to investigate a luring cooperative guidance strategy for three-player inducer–defender–attacker engagement with field-of-view(FOV)and overload constraints against an attacker with speed advantages under incomplete information.We formulate the three-player inducer–defender–attacker engagement problem as the pursuit–evasion(defender–attacker)game problem.On this basis,an analytical luring cooperative guidance strategy based on backstepping control is proposed to facilitate the defender with zero overloads intercepting the attacker.Additionally,under incomplete information,we offer a parameter delay design approach to delay the unknown parameters and state design.Afterward,an improved adaptive update law is devised to address the incomplete information.The proposed luring cooperative guidance,which incorporates backstepping control and an improved adaptive update law,can guarantee that the defender captures the attacker with zero overloads under luring by the inducer.Additionally,the proposed design adopts the directed communication topology network structure.Finally,we also execute simulations that demonstrate the effectiveness of the designed luring cooperative guidance strategy and reveal that it can be extended to double-hierarchical interception and four-on-two engagement interception.展开更多
基金support provided by the National Natural Science Foundation of China(No.62173274)the National Key R&D Program of China(No.2019YFA0405300)+3 种基金the Natural Science Foundation of Hunan Province of China(No.2021JJ10045)Shanghai Aerospace Science and Technology Innovation Fund,China(No.SAST2020-004)Postdoctoral Fellowship Program of CPSF(No.GZB20240989)the Open Research Subject of State Key Laboratory of Intelligent Game,China(No.ZBKF-24-01).
文摘In air combat,one effective way to counter an incoming missile attacking an aircraft is to launch a defense missile compared with traditional passive defense strategies such as decoy and electronic countermeasures.To address this issue,this paper proposes a three-body cooperative active defense guidance law with overload constraints from the perspective of a small speed ratio.First,a cooperative guidance-oriented model for active defense is established and linearized to provide a foundation for the design of the guidance law.Then,the essential quantity known as Zero-Effort-Miss(ZEM)is analyzed during the engagement process.In order to minimize the influence of inaccurate estimates of remaining flight time in the ZEM,the concept of Zero-Effort-Velocity(ZEV)is introduced.Subsequently,utilizing the sliding mode control method,the guidance law is designed by selecting the ZEM and ZEV as sliding mode surfaces,combined with the fast power reaching law,and its finite-time stability is analyzed using the Lyapunov method.Furthermore,to quantitatively evaluate the performance of the proposed active defense guidance law,the interception rendezvous angle index is introduced.The proposed active defense guidance law considers integrating information from the incoming missile,aircraft,and defense missile with fewer simplifications and assumptions,and ensures that the aircraft is effectively protected with less overload required for the defense missile.Finally,simulation experiments demonstrate the effectiveness and adaptability of the proposed active defense guidance law.
基金cosupported by the National Natural Science Foundation of China(Nos.12072090 and 12302056)the Postdoctoral Fellowship Program of CPSF(No.GZC20233445)the Heilongjiang Postdoctoral Financial Assistance(No.LBH-Z23147).
文摘In this work,we attempt to investigate a luring cooperative guidance strategy for three-player inducer–defender–attacker engagement with field-of-view(FOV)and overload constraints against an attacker with speed advantages under incomplete information.We formulate the three-player inducer–defender–attacker engagement problem as the pursuit–evasion(defender–attacker)game problem.On this basis,an analytical luring cooperative guidance strategy based on backstepping control is proposed to facilitate the defender with zero overloads intercepting the attacker.Additionally,under incomplete information,we offer a parameter delay design approach to delay the unknown parameters and state design.Afterward,an improved adaptive update law is devised to address the incomplete information.The proposed luring cooperative guidance,which incorporates backstepping control and an improved adaptive update law,can guarantee that the defender captures the attacker with zero overloads under luring by the inducer.Additionally,the proposed design adopts the directed communication topology network structure.Finally,we also execute simulations that demonstrate the effectiveness of the designed luring cooperative guidance strategy and reveal that it can be extended to double-hierarchical interception and four-on-two engagement interception.
