| 微机械隧道陀螺仪的时变线性二次高斯预测控制 |
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| 引用本文： | 刘益芳,王凌云,孙道恒.微机械隧道陀螺仪的时变线性二次高斯预测控制[J].光学精密工程,2011,19(11):2657-2663. |
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| 作者姓名： | 刘益芳 王凌云 孙道恒 |
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| 作者单位： | 厦门大学机电工程系,福建厦门,361005 |
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| 基金项目： | 国家自然科学基金资助项目(No.50875222/51035002); 青年科学基金资助项目(No.51105320); 中央高校基本科研业务费专项基金资助项目(No.2010121039) |
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| 摘 要： | 为了降低微机械隧道陀螺仪系统的非线性,增大器件的带宽并提高系统的信噪比,隧尖与相应隧道电极之间的隧道间距应控制在1 nm附近,且其必须在闭环模式下工作.本文鉴于线性二次高斯(LQG)控制理论的抗干扰特性和鲁棒性以及哥氏加速度的时变特征,采用时变卡尔曼滤波器和LQG最优控制器串联而成的LQG预测控制策略设计了隧道陀螺仪闭...
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| 关 键 词： | 微机械隧道陀螺仪 线性二次高斯(LQG)预测控制 隧道效应 闭环系统 |
Time-varying predictive-LQG control for micromechanical tunneling gyroscope |
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| LIU Yi-fang,WANG Ling-yun,SUN Dao-heng.Time-varying predictive-LQG control for micromechanical tunneling gyroscope[J].Optics and Precision Engineering,2011,19(11):2657-2663. |
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| Authors: | LIU Yi-fang WANG Ling-yun SUN Dao-heng |
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| Affiliation: | LIU Yi-fang,WANG Ling-yun,SUN Dao-heng(Department of Mechanical and Electrical Engineering,Xiamen University,Xiamen 361005,China) |
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| Abstract: | In order to decrease the nonlinearity of a Micromechanical Tunneling Gyroscope(MTG),enlarge its band width and raise the signal-to-noise ratio of the system,the tunneling gap between the tunneling tip and the corresponding tunneling electrode should be controlled in 1 nm,moreover the MTG must operate in the closed-loop mode.Based on the anti-interference and robustness of the Linear Quadratic Gauss(LQG) control theory and time-varying characteristics of Coriolis acceleration,this paper uses the predictive-L... |
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| Keywords: | micromechanical tunneling gyroscope predictive-Linear Quadratic Gauss(LQG) control tunneling effect closed-loop system |
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