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首页> 外文期刊>Chinese journal of aeronautics >Bias Momentum Attitude Control System Using Energy/Momentum Wheels
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Bias Momentum Attitude Control System Using Energy/Momentum Wheels

机译：使用能量/动量轮的偏置动量姿态控制系统

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摘要

The integrated power and attitude control for a bias momentum attitude control system is investigated. A pair of counter-spinning wheels is used to provide the bias angular momentum and store/ discharge energy for power requirement of the devices on the spacecraft. The roll/yaw motion is controlled by pitch magnetic dipole moment. The torque-based control law of the wheels is designed, so that the desired pitch control torque is provided and the operation of charging/discharging energy is carried out based on the given power. System singularity in the control law of wheels is fully avoided by keeping the wheels counter-spinning. A power management scheme using kinetic energy feedback is proposed to keep energy balance, which can avoid wheel saturation caused by superfluous energy. The minimum moment of inertia of the wheels is limited by the maximum bias angular momentum and the minimum energy, such constrains are analyzed in combination with the geometrical method. Numerical simulation results are presented to demonstrate the effectiveness of the control scheme.
机译：研究了偏置动量姿态控制系统的综合功率和姿态控制。一对反向旋转轮用于提供偏置角动量并存储/释放能量，以满足航天器上设备的功率需求。横摆运动由俯仰磁偶极矩控制。设计了基于转矩的车轮控制定律，以便提供所需的俯仰控制转矩，并根据给定的功率执行充电/放电能量的操作。通过保持车轮反向旋转，可以完全避免车轮控制律中的系统奇异之处。提出了一种利用动能反馈的能量管理方案来保持能量平衡，从而避免了多余能量引起的车轮饱和。车轮的最小惯性矩受到最大偏置角动量和最小能量的限制，结合几何方法分析了这些约束。数值仿真结果表明了该控制方案的有效性。

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