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不平衡振动自适应滤波控制研究 被引量：7

Research on Adaptive Filter Control of Imbalance Vibration
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摘要 研究衰减卫星姿态抖动的控制方法。以星载磁悬浮变速控制力矩陀螺为对象,考虑转子动、静不平衡特性建立动力学模型。选取在定义的转子准几何体坐标系中列写动力学方程,使得能够充分利用磁间隙的小角度背景,设计磁轴承径向指令控制力;在忽略高阶小量下给出的转子动静不平衡描述,能够清楚地给出不平衡带来的干扰力和力矩以及在测量信号中所具有的形式。基于上述分析,给出归一化最小均方算法的自适应噪声滤波器,并得出经过滤波后,测量量中将主要是惯量主轴的位置信息;将其作为带有高、低通滤波的分散PD加比例交叉控制器的输入,能够达到衰减高速转子不平衡振动引起的星体姿态抖动的目的。建立仿真模型,分转子速率恒定和可变两种情况,进行了仿真检验,均达到了振动衰减的目的。 Considering static and dynamic imbalance characteristics,a model of an active magnetic bearing suspended rigid rotor of a variable-speed single-gimbal control moment gyro onboard a satellite was developed.A quasi-geometric body-fixed frame was defined and taken as the appropriate reference frame to describe scalar motion equations.This is useful in designing the controller of radial active magnetic bearing since the infinitesimal angular setting due to magnetic-gap can be greatly imposed.Based on the descri...
作者 汤亮 陈义庆
机构地区 北京控制工程研究所空间智能控制技术国家级重点实验室
出处 《宇航学报》 EI CAS CSCD 北大核心 2007年第6期1569-1574,共6页 Journal of Astronautics
关键词 自适应滤波 不平衡 主动磁轴承 抖动 控制 卫星 Adaptive filter Imbalance Active magnetic bearing Jitter Control Satellite
分类号 V448 [航空宇航科学与技术—飞行器设计]
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参考文献12

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同被引文献95

  • 1胡业发,高小明,吴华春.磁悬浮转子不平衡补偿的研究[J].机械制造,2006,44(8):24-26. 被引量：5
  • 2张涛,朱熀秋.无轴承永磁同步电机转子质量不平衡补偿控制[J].中国电机工程学报,2007,27(15):33-37. 被引量：11
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  • 8Li L,Shinshi T,Iijima C.et al. Compensation of rotorimbalance for precision rotation of a planar magneticbearing rotor[J]. ELSEVIER, Precision Engineering27, 2003:140--150.
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  • 10NonamiK, FanQ. Unbalance vibration control of magnetlc bearlng systems using adaptive algorithm with disturbance frequency estimation[C]. 6th International Symposium on Magnetic Bearings, MIT, Cambridge, USA, 1998.

引证文献7

二级引证文献53

宇航学报
2007年 第6期

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