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Angular Momentum Based Steering Approach for Control Moment Gyroscopes

机译:基于角动量的控制力矩陀螺仪转向方法

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With increasing requirements on agile satellite missions, control moment gyroscopes (CMGs) become the actuator of choice due to their high torque amplification capability. In order to handle their inherent singularity issues, many steering laws have been developed that map a desired torque profile to a commanded gimbal rate profile. As CMGs are internal momentum exchange devices, alternative steering laws exist in the angular momentum/gimbal angle domain. In this paper, the two steering approaches are analyzed conceptually and their performance regarding the handling of singularities is evaluated in simulations. For a CMG array in roof configuration, the angular momentum/gimbal angle steering approach proves to be a viable choice for attitude control tasks.
机译:随着对敏捷卫星任务的要求不断提高,控制力矩陀螺仪(CMG)由于具有高扭矩放大功能而成为首选执行器。为了处理其固有的奇异性问题,已经开发了许多转向定律,其将期望的扭矩曲线映射到命令的万向节率曲线。由于CMG是内部动量交换设备,因此在角动量/万向角域中存在替代的转向定律。在本文中,从概念上分析了两种转向方法,并在仿真中评估了它们在处理奇异性方面的性能。对于车顶配置的CMG阵列,角动量/万向角转向方法被证明是姿态控制任务的可行选择。

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