The invention discloses an angular momentum management method for a steady-state sun-oriented maneuvering earth satellite, and the method comprises the steps: calculating a magnetic moment component MH needed by magnetic unloading when the satellite is in a steady-state sun-oriented mode at present; calculating the gravity gradient moment TG borne by the satellite under the current attitude; calculating a magnetic moment component MG required for offsetting the gravity gradient moment TG by using the output moment of the magnetic torquer; calculating ideal magnetic moments Mc of the satellite in different working states by combining the calculation results based on the angular momentum management logic of the execution mechanism; and amplitude limiting processing is performed on the ideal magnetic moment Mc according to the actual magnetic moment output capability, and a magnetic moment instruction Mout which is finally output to the magnetic torquer is formed. The method has the advantages that in the angular momentum management process, on one hand, the angular momentum is unloaded, on the other hand, continuous accumulation of the angular momentum is prevented through interference compensation, the problem that the unloading effect is'neutralized 'by interference torque is avoided, the angular momentum unloading efficiency is greatly improved, and the adaptability to frequent maneuvering task requirements is higher.

    本发明公开了一种稳态对日机动对地卫星的角动量管理方法,该方法包含:当卫星当前处于稳态对日定向模式时,计算磁卸载所需要的磁矩分量MH;计算当前姿态下卫星所受的重力梯度力矩TG;计算使用磁力矩器输出力矩抵消重力梯度力矩TG所需要的磁矩分量MG;基于执行机构角动量管理逻辑,结合上述计算结果计算卫星不同工作状态下的理想磁矩Mc;根据实际磁矩输出能力对理想磁矩Mc进行限幅处理,形成最终输出给磁力矩器的磁矩指令Mout。其优点是:在角动量管理过程中,该方法一方面对角动量进行卸载,另一方面通过干扰补偿防止角动量继续积累,避免卸载效果被干扰力矩“中和”的问题,大大提高角动量卸载效率,对频繁机动任务需求适应性更强。


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    Titel :

    Angular momentum management method for steady-state sun-oriented maneuvering earth satellite


    Weitere Titelangaben:

    一种稳态对日机动对地卫星的角动量管理方法


    Beteiligte:
    TANG WENGUO (Autor:in) / ZHU QINGHUA (Autor:in) / CAO HONGLEI (Autor:in) / YU CHANGLI (Autor:in) / XU XIANFENG (Autor:in) / QIN JIE (Autor:in) / WU MENGXUAN (Autor:in)

    Erscheinungsdatum :

    16.04.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B64G Raumfahrt , COSMONAUTICS / G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen



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