The guidance and control strategy for endoatmospheric kinetic interceptor controlled by lateral pulse thrusters was detailed.The pulse thruster control system was firstly proposed.The sample-and-hold approach was intr...The guidance and control strategy for endoatmospheric kinetic interceptor controlled by lateral pulse thrusters was detailed.The pulse thruster control system was firstly proposed.The sample-and-hold approach was introduced to design a novel lateral acceleration autopilot on the basis of traditional two-loop topology.Combined with proportional navigation guidance law and the novel autopilot,the overall ballistic trajectory was presented and examined.Simulation results show that the pulse thruster control strategy can greatly improve the control system response speed and the maximal acceleration capability for realizing kinetic kill interception.展开更多
A new terminal guidance law is proposed based on a solid propellant pulse engine and an improved proportional navigation method to address the terminal guidance issue for kinetic interceptors.On this basis,the start-s...A new terminal guidance law is proposed based on a solid propellant pulse engine and an improved proportional navigation method to address the terminal guidance issue for kinetic interceptors.On this basis,the start-stop curve of the pulse motor during the terminal guidance process is designed,along with its start-up logic.The effectiveness of the proposed guidance strategy is verified through simulation.展开更多
The intercept mode of space-based kinetic energy interceptor(KEI)is an essential problem to be solved in the concept design of KEI and is closely related to the KEI’s detailed designing and practical applications.How...The intercept mode of space-based kinetic energy interceptor(KEI)is an essential problem to be solved in the concept design of KEI and is closely related to the KEI’s detailed designing and practical applications.However,this problem has not yet been investigated systematically and comprehensively.A suitable intercept mode for the KEI is proposed in this research.The intercept mode consists of three basic elements:the specific operation procedure,general scheme for the intercept trajectory,and mathematical model of the intercept mode.Numerical example is provided to demonstrate the feasibility and effectiveness of the intercept mode.The intercept mode proposed in this research is capable of achieving a rapid intercept,and is applicable to the universal space interception.展开更多
基金Supported by the National Natural Science Foundation of China(61172182)
文摘The guidance and control strategy for endoatmospheric kinetic interceptor controlled by lateral pulse thrusters was detailed.The pulse thruster control system was firstly proposed.The sample-and-hold approach was introduced to design a novel lateral acceleration autopilot on the basis of traditional two-loop topology.Combined with proportional navigation guidance law and the novel autopilot,the overall ballistic trajectory was presented and examined.Simulation results show that the pulse thruster control strategy can greatly improve the control system response speed and the maximal acceleration capability for realizing kinetic kill interception.
基金The National Natural Science Foundation of China(Project No.52102436)The Natural Science Foundation of Shanghai(Project No.23ZR1462700)+3 种基金The National Key Laboratory Open Fund for Strength and Structural Integrity(Project No.ASSIKFJJ202304006)The Shanghai Aerospace Science and Technology Innovation Fund(Project No.SAST2022-031)The National Key Laboratory of Space Intelligent Control(Project No.2023-JCJQ-LB-006-14)The Shanghai Key Laboratory of Spacecraft Mechanism(Project No.YY-F805202210025)。
文摘A new terminal guidance law is proposed based on a solid propellant pulse engine and an improved proportional navigation method to address the terminal guidance issue for kinetic interceptors.On this basis,the start-stop curve of the pulse motor during the terminal guidance process is designed,along with its start-up logic.The effectiveness of the proposed guidance strategy is verified through simulation.
基金the National Natural Science Foundation of China(No.11502300)the Aerospace Science Foundation of China(No.20165196018)
文摘The intercept mode of space-based kinetic energy interceptor(KEI)is an essential problem to be solved in the concept design of KEI and is closely related to the KEI’s detailed designing and practical applications.However,this problem has not yet been investigated systematically and comprehensively.A suitable intercept mode for the KEI is proposed in this research.The intercept mode consists of three basic elements:the specific operation procedure,general scheme for the intercept trajectory,and mathematical model of the intercept mode.Numerical example is provided to demonstrate the feasibility and effectiveness of the intercept mode.The intercept mode proposed in this research is capable of achieving a rapid intercept,and is applicable to the universal space interception.
