| 具有能控性的数字式控制器的设计 |
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| 引用本文： | 谢小平,廖云,刘顺发,陈洪斌. 具有能控性的数字式控制器的设计[J]. 光电工程, 2002, 29(2): 13-15 |
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| 作者姓名： | 谢小平 廖云 刘顺发 陈洪斌 |
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| 作者单位： | 1. 中国科学院光电技术研究所,四川,成都,610209
2. 电子科技大学光电子技术信息学院,四川,成都,610054 |
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| 摘 要： | 系统在控制作用支配下能够在有限时间间隔内从任意初始状态向任意希望状态转移，则其具有能控性。通过输出序列和功率谱建立系统数学模型，并采用最小二乘法估计模型参数。具有能控性的数字式控制器通过软件控制状态反馈元素，消除不稳定的因素，从而使系统具有灵活性和控制稳定的特点。
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| 关 键 词： | 能控性 数字式控制器 设计 |
| 文章编号： | 1003-501X(2002)02-0013-03 |
| 收稿时间： | 2001-10-28 |
| 修稿时间： | 2001-10-28 |
Design of a Digital Controller with Controllability |
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| XIE Xiao-ping,Liao Yun,LIU Shun-fa,CHEN Hong-bin. Design of a Digital Controller with Controllability[J]. Opto-Electronic Engineering, 2002, 29(2): 13-15 |
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| Authors: | XIE Xiao-ping Liao Yun LIU Shun-fa CHEN Hong-bin |
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| Affiliation: | XIE Xiao-ping1,Liao Yun2,LIU Shun-fa1,CHEN Hong-bin1 |
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| Abstract: | If a system can transfer toward arbitrary desired state from the arbitrary initial state within a finite time interval under the governing of the control action, then it has controllability. A mathematical model of the system has been established through output sequence and power spectrum. The model parameters are estimated with least square method. The digital controller with controllability controls feedback elements of state with software and eliminating the instable factors, thus the system has the characteristics of flexibility and stable control. |
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| Keywords: | Digital controller Feedback control Controllability |
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