Hybrid thrusters and reaction wheels strategy for large angle rapid reorientation with high precision

作者：Ye, Dong^*; Sun, Zhaowei; Wu, Shunan

来源：Acta Astronautica, 2012, 77: 149-155.

DOI：10.1016/j.actaastro.2012.04.001

• Spacecraft attitude tracking
• Hybrid actuator
• Variable structure control
• The shortest distance path

The quaternion-based, high precision, large angle rapid reorientation of rigid spacecraft is the main problem investigated in this study. The operation is accomplished via a hybrid thrusters and reaction wheels strategy where thrusters are engaged in providing a primary maneuver torque in open loop, while reaction wheels provide fine control torque to achieve high precision in closed-loop control. The inaccuracy of thrusters is handled by a variable structure control (VSC). In addition, a signum function is mixed in the switching surface in VSC to produce a maneuver to the reference attitude trajectory in a shortest distance. Detailed proofs and numerical simulation examples are presented to illustrate all the technical aspects of this work.

• 出版日期2012-9
• 单位哈尔滨工业大学