网络攻击下导弹自适应事件触发制导律
收稿日期: 2024-07-02
修回日期: 2024-08-01
录用日期: 2024-08-06
网络出版日期: 2024-08-20
基金资助
国家自然科学基金(61473147)
Adaptive event-triggered guidance law of missile under cyber attacks
Received date: 2024-07-02
Revised date: 2024-08-01
Accepted date: 2024-08-06
Online published: 2024-08-20
Supported by
National Natural Science Foundation of China(61473147)
针对导弹拦截机动目标过程中遭受网络攻击问题，研究了一类自适应事件触发制导方法。首先，为了解决恶意网络攻击导致系统状态无法准确测量的问题，基于backstepping技术分别针对原系统真实状态和受到攻击后的虚假状态建立相应的误差动态面；其次，引入多Nussbaum函数克服信息遭受攻击造成的控制方向未知问题；然后，由于传统时间触发机制会造成计算资源浪费等问题，引入事件触发机制缓解计算负但；接着，给出触发条件进而提出了一类自适应事件触发控制策略，并根据Lyapunov定理证明了闭环系统的有界性；最后，仿真结果表明所提算法能够应对网络攻击问题，并成功拦截不同机动方式下的目标。
高煜欣 , 张绍杰 , 刘春生 . 网络攻击下导弹自适应事件触发制导律[J]. 航空学报, 2024 , 45(S1) : 730892 -730892 . DOI: 10.7527/S1000-6893.2024.30892
To address the problem of cyber-attacks in the process of intercepting maneuvering targets by missiles， a class of adaptive event-triggered guidance method is studied. Firstly， as the system suffering from malicious cyber attacks， the system states cannot be accurately measured. Based on the backstepping technology， the corresponding error dynamic surfaces are established for the real state of the original system and the false state after the attack， respectively. Secondly， the multiple Nussbaum functions are employed to overcome the unknown control direction caused by cyber attacks. Then， since the traditional time-triggering mechanism will cause the waste of computing resources， the event-triggering mechanism is introduced to alleviate the computational burden. Further， the triggering condition is given， and a class of adaptive event-triggered control strategy is proposed. The stability of the closed-loop system is proved to be bounded according to the Lyapunov theory. Finally， the simulation results verify the proposed method can handle cyber attacks and intercept successfully the target with different maneuvering modes.
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