Miss distance is an important parameter of assessing highly maneuvering targets interception. Due to the noise-corrupted measurement and the fact that not all the state variables can be directly measured, the miss dis...Miss distance is an important parameter of assessing highly maneuvering targets interception. Due to the noise-corrupted measurement and the fact that not all the state variables can be directly measured, the miss distance becomes a random variable with a priori unknown distribution. Currently, such a distribution is mainly evaluated by the method of Monte Carlo simulation. In this paper, an analytic approach is obtained in discrete-time controlled system with noise-corrupted state information. The system is subject to a bang-bang control strategy. The analytic distribution is validated through the comparison with Monte Carlo simulation.展开更多
针对大机动目标拦截中零控脱靶量(Zero-effort miss distance, ZEM)估计误差分布的求解问题,在线性估计器与独立模式辨识器的配置下,提出了一种解析求解方法.在存在固定的模式辨识延迟下, ZEM的估计误差服从有偏的高斯分布.最后,通过与...针对大机动目标拦截中零控脱靶量(Zero-effort miss distance, ZEM)估计误差分布的求解问题,在线性估计器与独立模式辨识器的配置下,提出了一种解析求解方法.在存在固定的模式辨识延迟下, ZEM的估计误差服从有偏的高斯分布.最后,通过与蒙特卡洛仿真的比较,验证了本文方法的正确性.展开更多
Mode decision-maker is a critical component in the logic-based Integrated Estimation and Guidance(IEG) system. For the best possible estimation and guidance performance, the mode decision delay of the mode decision-ma...Mode decision-maker is a critical component in the logic-based Integrated Estimation and Guidance(IEG) system. For the best possible estimation and guidance performance, the mode decision delay of the mode decision-maker should be limited to a range as small as possible. This paper presents a numerical method for computing the maximal admissible mode decision delay that varies with time-to-go. Particular attention has been paid to highly maneuvering target interception in terminal guidance. The results of this research offer useful guidelines for the design of the mode decision-maker in IEG systems.展开更多
对于大机动目标拦截问题,模式决策器是基于逻辑的集成估计导引系统(Integrated estimation and guidance,IEG)中的一个重要组件.为了保证系统的估计精度和制导性能,模式决策器的模式延迟应尽可能小.本文针对末制导场景,首先推导了离散...对于大机动目标拦截问题,模式决策器是基于逻辑的集成估计导引系统(Integrated estimation and guidance,IEG)中的一个重要组件.为了保证系统的估计精度和制导性能,模式决策器的模式延迟应尽可能小.本文针对末制导场景,首先推导了离散时间系统零控脱靶量的估计误差模型,然后在一致性约束条件下给出了系统最大可容许模式决策延迟的数值计算方法.本文的研究结果可为IEG系统中模式决策器的设计提供指标参考.展开更多
文摘Miss distance is an important parameter of assessing highly maneuvering targets interception. Due to the noise-corrupted measurement and the fact that not all the state variables can be directly measured, the miss distance becomes a random variable with a priori unknown distribution. Currently, such a distribution is mainly evaluated by the method of Monte Carlo simulation. In this paper, an analytic approach is obtained in discrete-time controlled system with noise-corrupted state information. The system is subject to a bang-bang control strategy. The analytic distribution is validated through the comparison with Monte Carlo simulation.
文摘针对大机动目标拦截中零控脱靶量(Zero-effort miss distance, ZEM)估计误差分布的求解问题,在线性估计器与独立模式辨识器的配置下,提出了一种解析求解方法.在存在固定的模式辨识延迟下, ZEM的估计误差服从有偏的高斯分布.最后,通过与蒙特卡洛仿真的比较,验证了本文方法的正确性.
文摘Mode decision-maker is a critical component in the logic-based Integrated Estimation and Guidance(IEG) system. For the best possible estimation and guidance performance, the mode decision delay of the mode decision-maker should be limited to a range as small as possible. This paper presents a numerical method for computing the maximal admissible mode decision delay that varies with time-to-go. Particular attention has been paid to highly maneuvering target interception in terminal guidance. The results of this research offer useful guidelines for the design of the mode decision-maker in IEG systems.
文摘对于大机动目标拦截问题,模式决策器是基于逻辑的集成估计导引系统(Integrated estimation and guidance,IEG)中的一个重要组件.为了保证系统的估计精度和制导性能,模式决策器的模式延迟应尽可能小.本文针对末制导场景,首先推导了离散时间系统零控脱靶量的估计误差模型,然后在一致性约束条件下给出了系统最大可容许模式决策延迟的数值计算方法.本文的研究结果可为IEG系统中模式决策器的设计提供指标参考.
