High-resolution speed detection method of solar array drive assembly

被引：0
作者：
Guo C. [1 ]
Liu R. [2 ]
Yu G. [1 ]
Zhang M. [1 ]
Zhang Q. [1 ]
机构：
[1] Beijing Institute of Control Engineering, Beijing
[2] Beijing Oriental Institute of Measurement and Test, Beijing
来源：
Zhongguo Guanxing Jishu Xuebao/Journal of Chinese Inertial Technology | 2020年 / 28卷 / 04期
关键词：
High stability; Low speed; Resolver; Solar array drive assembly (SADA); Speed detection;
D O I：
10.13695/j.cnki.12-1222/o3.2020.04.019
中图分类号：
学科分类号：
摘要：
Solar array drive assembly (SADA) realizes the orientation to the sun at very low speed, and the uneven speed cause the attitude disturbance to satellite. The limited position or speed detection solution is the restriction of SADA to realize the speed stability control. For the disadvantage of low- resolution of speed measurement in SADA by using resolver angle directly difference method, a frequency-measurement method with FPGA implementation scheme is proposed, which has high detection resolution. The time-delay constraint caused by the speed detection method and the performance impact to SADA drive system are analyzed theoretically. Finally, the simulation and experimental platform of SADA drive system is established. The simulation and experimental results show that the proposed speed detection method has lower speed fluctuation in the case of SADA low-speed drive, and which is reduced by more than 60% compared with the traditional angle differential speed measuring method. The proposed method lays a foundation for the steady control of SADA speed. © 2020, Editorial Department of Journal of Chinese Inertial Technology. All right reserved.
引用
收藏
页码：537 / 542
页数：5
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