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基于逆系统解耦的MSCSG姿态测量方法

于春淼 汪洲 任元 王卫杰 樊亚洪

于春淼, 汪洲, 任元, 等 . 基于逆系统解耦的MSCSG姿态测量方法[J]. 北京航空航天大学学报, 2020, 46(1): 150-158. doi: 10.13700/j.bh.1001-5965.2019.0132
引用本文: 于春淼, 汪洲, 任元, 等 . 基于逆系统解耦的MSCSG姿态测量方法[J]. 北京航空航天大学学报, 2020, 46(1): 150-158. doi: 10.13700/j.bh.1001-5965.2019.0132
YU Chunmiao, WANG Zhou, REN Yuan, et al. MSCSG attitude measurement method based on inverse system decoupling[J]. Journal of Beijing University of Aeronautics and Astronautics, 2020, 46(1): 150-158. doi: 10.13700/j.bh.1001-5965.2019.0132(in Chinese)
Citation: YU Chunmiao, WANG Zhou, REN Yuan, et al. MSCSG attitude measurement method based on inverse system decoupling[J]. Journal of Beijing University of Aeronautics and Astronautics, 2020, 46(1): 150-158. doi: 10.13700/j.bh.1001-5965.2019.0132(in Chinese)

基于逆系统解耦的MSCSG姿态测量方法

doi: 10.13700/j.bh.1001-5965.2019.0132
基金项目: 

国家自然科学基金 51475472

国家自然科学基金 51605489

北京市“高创计划”青年拔尖人才项目 2017000026833ZK23

详细信息
    作者简介:

    于春淼, 男, 硕士研究生。主要研究方向:磁悬浮控制敏感陀螺的测量与控制

    汪洲, 男, 博士, 副教授。主要研究方向:航天装备仿真与效能评估

    任元, 男, 博士, 副教授。主要研究方向:导航、制导与控制

    通讯作者:

    任元, E-mail:renyuan_823@aliyun.cn

  • 中图分类号: V448.2

MSCSG attitude measurement method based on inverse system decoupling

Funds: 

National Natural Science Foundation of China 51475472

National Natural Science Foundation of China 51605489

Beijing Youth Top-Notch Talent Support Program 2017000026833ZK23

More Information
  • 摘要:

    磁悬浮控制敏感陀螺(MSCSG)是一种将姿态控制和姿态测量功能合二为一的新型陀螺,采用洛伦兹力磁轴承(LFMB)控制转子径向偏转。针对MSCSG 2个测量轴之间存在耦合的问题,提出了一种基于逆系统解耦的测量方法。首先,分析了MSCSG的结构组成,在此基础上建立了LFMB-转子系统动力学模型,推导了MSCSG陀螺进行两自由度姿态测量的工作原理;然后,分析了2个测量轴之间的耦合关系,进而提出采用逆系统对2个测量轴进行解耦。最后,对所提方法的有效性进行了仿真验证。仿真结果表明:在所提解耦方法作用下,2个测量轴之间的耦合效果得到了很好的抑制,测量精度得到了一定的提高。

     

  • 图 1  MSCSG陀螺房结构示意图

    Figure 1.  Schematic diagram of MSCSG gyro room structure

    图 2  LFMB结构原理

    Figure 2.  LFMB structure principle

    图 3  MSCSG转子结构示意图

    Figure 3.  Schematic diagram of MSCSG rotor structure

    图 4  姿态测量系统原理框图

    Figure 4.  Principle block diagram of attitude measurement system

    图 5  采用逆系统解耦的MSCSG原理示意图

    Figure 5.  Schematic diagram of MSCSG principle with inverse system decoupling

    图 6  两种方法在输入频率为10 Hz和20 Hz时的测量误差比较曲线

    Figure 6.  Comparison curves of measurement errors between two methods at input frequency of 10 Hz and 20 Hz

    图 7  两种方法在输入频率为10 Hz和20 Hz时的测量耦合比较曲线

    Figure 7.  Comparison curves of measurement coupling between two methods at input frequency of 10 Hz and 20 Hz

    表  1  MSCSG系统仿真参数

    Table  1.   MSCSG system simulation parameters

    参数 数值
    N/匝 100
    L/mm 80
    Jz/(kg·m2) 0.017 8
    Jr/(kg·m2) 0.006 2
    Ω/Hz 83.3
    I/A 0.5
    lm/mm 59
    ls/mm 78.7
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-03-27
  • 录用日期:  2019-07-12
  • 网络出版日期:  2020-01-20

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