西安交通大学电子与信息工程学院,西安,710049
网络首发:2017-04-10,
纸质出版:2017
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方峰, 蔡远利. 三体对抗中的自适应协同突防策略[J]. 西安交通大学学报, 2017,51(4):72-78+90.
An Adaptive Collaborative Guidance Strategy in Three-Body Engagement[J]. 2017, 51(4): 72-78+90.
方峰, 蔡远利. 三体对抗中的自适应协同突防策略[J]. 西安交通大学学报, 2017,51(4):72-78+90. DOI: 10.7652/xjtuxb201704011.
An Adaptive Collaborative Guidance Strategy in Three-Body Engagement[J]. 2017, 51(4): 72-78+90. DOI: 10.7652/xjtuxb201704011.
针对三体对抗中由目标飞行器释放的弱机动防御弹难以精确打击高机动来袭拦截弹的问题
提出了一种目标-防御弹的自适应协同突防制导策略。首先
根据已知的拦截弹的制导策略和运动信息
以最小化脱靶量和控制代价为目标
通过系统降阶
利用最优控制理论设计了目标-防御弹的最优协同制导律。接着
考虑实际攻防对抗中拦截弹制导策略未知的情况
采用基于平方根容积卡尔曼滤波的多模型自适应滤波器估计拦截弹的制导策略和运动信息
利用模型概率对各模型的最优协同制导律进行混合输出
得到自适应协同突防制导律。仿真结果表明:最优协同制导律能让目标飞行器协助防御弹在不具备机动能力优势的情况下成功打击拦截弹
且脱靶量小于0.1 m; 自适应协同制导律能够准确地估计拦截弹的运动状态
并使得防御弹在目标飞行器配合下以较小的控制代价精确地打击拦截弹
脱靶量有97%的概率落入小于0.765 m范围内。
The three-body engagement consists of three vehicles
which are an evading target
a defending missile launched by the target
and a homing missile. An adaptive collaborative guidance strategy for the target and the defender is proposed to protect the target from the homing missile. Firstly
it is assumed that the perfect information of the homing missile is known. The optimal collaborative guidance laws for the target and defender are derived by using optimal control theory to minimize the missile-defender miss distance and control effort of the target and defender. Then
the real engagement condition with unknown missile's guidance strategy and measurement noise is considered. Adaptive collaborative guidance laws are proposed based on the multiple-model adaptive estimator with square-root cubature Kalman filter(MMAE-SRCKF)and the optimal collaborative guidance laws. MMAE-SRCKF is used to estimate the guidance law and state information of the homing missile. The adaptive collaborative guidance laws are derived by combining each model's optimal collaborative guidance laws. Simulation results show that the defender hits the homing missile with less control effort in the aid of the target by using the proposed optimal collaborative guidance laws
and the miss distance is smaller than 0.1 m. The proposed adaptive collaborative guidance laws estimate the state information of the missile accurately and make the target and defender act as a team to hit the homing missile.
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