| 电动负载模拟器扰动观测器系统化设计 |
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| 引用本文： | 方强,姚郁.电动负载模拟器扰动观测器系统化设计[J].哈尔滨工业大学学报,2007,39(3):349-353. |
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| 作者姓名： | 方强 姚郁 |
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| 作者单位： | 哈尔滨工业大学,控制与仿真中心,哈尔滨,150001 |
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| 摘 要： | 提出了一种通过参数化进行混合灵敏度优化的扰动观测器(DOB)设计方法,并应用于电动负载模拟器(EALS),解决了舵机运动扰动对EALS力矩伺服精度的影响问题.将Q-滤波器设计与混合灵敏度优化问题分开考虑,并给出了DOB的系统化设计律,保证了系统的鲁棒性和DOB的最优性,该方法能应用于不稳定系统的设计.实际系统试验结果验证了所提出方法的有效性.
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| 关 键 词： | 扰动观测器（DOB） 混合灵敏度优化 电动负载模拟器（EALS） |
| 文章编号： | 0367-6234(2007)03-0349-05 |
| 修稿时间： | 2005-05-08 |
A systemic disturbance observer design for EALS |
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| FANG Qiang,YAO Yu.A systemic disturbance observer design for EALS[J].Journal of Harbin Institute of Technology,2007,39(3):349-353. |
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| Authors: | FANG Qiang YAO Yu |
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| Abstract: | A systemic design method of Disturbance-observer(DOB) is proposed,and then applied to the electric aerodynamic load simulator(EALS) for rejection of disturbance from rudder's active motion.The mixed sensitivity optimization problem,which is the main issue of DOB design,is also solved through the parameterization of DOB.Different from conventional methods,the Q-filter is separated from the mixed sensitivity optimization problem.A systematic design law for the DOB is proposed.The approach guarantees the robus... |
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| Keywords: | Disturbance observer(DOB) mixed sensitivity optimization electric aerodynamic load simulator(EALS) |
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