摘要
针对网络化航天器姿态弹性跟踪控制问题,借鉴主动抗干扰控制思想,设计攻击检测机制对控制器端到执行器端网络攻击进行监测,利用网络通道传输信息设计两个自适应观测器,在抑制内部噪声的同时对外界扰动及恶意攻击信号进行实时估计.采用多前馈与反馈相结合的方式设计复合抗干扰及抗攻击控制器,抵消扰动及攻击对系统性能的影响,提升网络化航天器系统的安全性及稳定性.
Aiming to the attitude resilient tracking control problem of the networked spacecrafts.The idea of active anti-disturbance control is referenced.An attack detection mechanism is designed to monitor the network attack from the terminal of the controller to the terminal of the actuator.Two adaptive observers are designed with the transmission information of networks channels.The external disturbance and malicious attack signals are estimated in real time while suppressing the influence of internal noise.A compound anti-disturabance/anti-attack controller is designed by combining multi feedforward and feedback to counteract the impact of disturbance and attack on system performance.Finally,the safety and stability of the networked spacecraft system are improved.
作者
于洋
陈哲
袁源
YU Yang;CHEN Zhe;YUAN Yuan(School of Aeronautics and Astronautics,Shanghai Jiaotong University,Shanghai 200240,China;School of Astronautics,Northwestern Polytechnical University,Xi’an Shaanxi 710072,China)
出处
《指挥与控制学报》
CSCD
2023年第2期164-174,共11页
Journal of Command and Control
基金
国家自然科学基金(62122063,62073268)
陕西省青年科技新星(2020KJXX-078)资助。
关键词
航天器姿态控制
自适应观测器
弹性控制
抗干扰控制
attitude control of spacecrafts
adaptive observer
resilient control
anti-disturbance control
