The invention relates to a spacecraft cluster attitude and orbit cooperative control method under the condition that communication resources are limited, and aims at solving the problem of spacecraft cluster high-precision attitude and orbit cooperative anti-interference control under the condition that the communication resources are limited. Establishing a following spacecraft attitude and orbit coupling model considering the installation error of the propeller; secondly, designing an event triggering mechanism to realize discontinuous communication between a spacecraft controller and an actuator and reduce communication resource loss; thirdly, considering the uncertainty of inertia and mass of the spacecraft caused by factors such as fuel consumption, designing an adaptive parameter estimation law, and obtaining estimated values of inertia and mass parameters of the spacecraft; and finally, based on the event triggering mechanism and the parameter estimation value, designing a spacecraft attitude and orbit cooperative controller, ensuring that all following spacecrafts form a predetermined orbit configuration, and achieving consistent attitude. The method provided by the invention has the characteristics of high cooperative control precision and low communication energy consumption.

    本发明涉及一种通信资源受限情形下的航天器集群姿轨协同控制方法,针对通信资源受限情形下航天器集群高精度姿轨协同抗干扰控制问题,首先,针对包含跟随航天器的刚性航天器集群系统,建立考虑推进器安装误差的跟随航天器姿轨耦合模型;其次,设计事件触发机制,以实现航天器控制器与执行器之间的不连续通信,降低通信资源损耗;再次,考虑到燃料消耗等因素会导致航天器的惯量和质量存在不确定性,设计自适应参数估计律,得到航天器惯量和质量参数的估计值;最后,基于事件触发机制以及参数估计值,设计航天器姿轨协同控制器,确保所有跟随航天器形成预定的轨道构型,并达到姿态一致。本发明提供的方法具有协同控制精度高、通信能耗低的特点。


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    Title :

    Spacecraft cluster attitude and orbit cooperative control method under condition of limited communication resources


    Additional title:

    一种通信资源受限情形下的航天器集群姿轨协同控制方法


    Contributors:
    QIAO JIANZHONG (author) / LIAO XUELU (author) / WANG CHENLIANG (author) / ZHU YUKAI (author) / MENG YAN (author)

    Publication date :

    2023-09-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS



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