| Smith预估控制系统抗扰性能的改善 |
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| 引用本文： | 姜克君,戴丽红,郝睿,于颖.Smith预估控制系统抗扰性能的改善[J].鞍山科技大学学报,2011(5). |
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| 作者姓名： | 姜克君 戴丽红 郝睿 于颖 |
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| 作者单位： | 辽宁科技大学电子与信息工程学院;鞍山供电公司; |
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| 摘 要： | 针时常规Smith预估控制系统扰动回调慢的弱点,从控制结构上进行改进,介绍接受扰动量输入的Smith预估控制A系统和加入微分反馈的Smith预估控制B系统。其中,后者符合二自由度控制思想。对二者从理论和工程实现两方面进行分析测试,与常规Smith预估控制系统进行曲线数据对比,给出二者动态性能的具体差别:A系统在扰动和控制通道模型一致的情况下,与常规Smith预估控制系统相比扰动回调时间和动态误差分别减小近70%和85%,B系统分别减小约50%和20%。
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| 关 键 词： | smith预估控制系统 抗扰性能 扰动回调 扰动抑制 时滞对象 |
Improvement of anti-disturbance performance for Smith predictor |
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| JIANG Ke-jun,DAI Li-hong,HAO Rui,YU Ying.Improvement of anti-disturbance performance for Smith predictor[J].Journal of Anshan University of Science and Technology,2011(5). |
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| Authors: | JIANG Ke-jun DAI Li-hong HAO Rui YU Ying |
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| Institution: | JIANG Ke-jun~1,DAI Li-hong~1,HAO Rui~2,YU Ying~2 (1.School of Electronic and Information Engineering,University of Science and Technology Liaoning,Anshan 114051,China,2.Anshan Power Supply Bureau,Anshan 114001,China) |
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| Abstract: | According to the slow disturbance-turning-back of regular Smith predictor,the control structure is improved,and the modified scheme A and the modified scheme B with a derivative feedback are introduced, where scheme B accords with 2 DOF control concept.The scheme A and B are analyzed in both aspects of theory and engineering implementation,and the curve data is compared with the regular Smith predictor,the differences of dynamic performance for both are given:disturbance-turning back time and dynamic error ... |
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| Keywords: | Smith predictor anti-disturbance performance disturbance-turning-back disturbance restrain time-delay object |
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