一种基于柔性连接的两级平台间线缆附加刚度自主辨识方法
By outputting sinusoidal excitation on the actuator of the three-dimensional platform and measuring the motion displacement, the problem of the inability to estimate the additional stiffness of the cable is solved, the overall performance of the three-dimensional control system is improved, and a high-precision and high-stability control effect is achieved.
CN121933354BActive Publication Date: 2026-07-17BEIJING INST OF CONTROL ENG
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BEIJING INST OF CONTROL ENG
- Filing Date
- 2026-01-13
- Publication Date
- 2026-07-17
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Figure CN121933354B_ABST
Abstract
本发明涉及一种基于柔性连接的两级平台间线缆附加刚度自主辨识方法，涉及航天器姿态控制领域，包括以下步骤：在无线缆连接的状态下，各个作动器中音圈电机依次输出正弦激励，并通过涡流传感器测量获得运动位移，基于这两组数据计算得到作动器刚度，之后依照上一步再计算有线缆连接的状态下，各个作动器的等效刚度；最后计算等效刚度的差值即可获得每个作动器的附加刚度值，本发明具有能够获得在轨状态下线缆附加刚度大小，进而通过采取控制措施减小线缆影响，保证三超平台控制能力，为新一代航天器的载荷高精度指向、高稳定控制、快速稳定控制提供技术基础的优点。
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