| 基于ITAE最优传递函数的时滞系统次优控制比较研究 |
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| 引用本文： | 谢军,朱国力,黄禹,李海洲.基于ITAE最优传递函数的时滞系统次优控制比较研究[J].电气自动化,2012,34(2):1-3,45. |
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| 作者姓名： | 谢军 朱国力 黄禹 李海洲 |
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| 作者单位： | 1. 华中科技大学材料成形与模具技术国家重点实验室,湖北武汉,430074
2. 华中科技大学制造装备数字化国家工程研究中心,湖北武汉,430074 |
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| 摘 要： | 采用标准m／n]Pade有理函数逼近时滞因子的方法进行控制对象的模型降阶，并基于位移无静差ITAE最优传递函数，设计了两种时滞系统次优控制器。以双容时滞系统为仿真对象，比较研究表明，基于全极点标准m／n]Pade有理函数逼近设计的次优控制器获得最佳控制效果。
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| 关 键 词： | 时滞系统 模型降阶 Pad6逼近 次优控制 ITAE |
Comparison Study of Sub-optimal Control for Dead-time System Based on ITAE Optimum Transfer Function |
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| XIE Jun
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ZHU Guo-li
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HUANG Yu
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LI Hai-zhou.Comparison Study of Sub-optimal Control for Dead-time System Based on ITAE Optimum Transfer Function[J].Electrical Automation,2012,34(2):1-3,45. |
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| Authors: | XIE Jun ZHU Guo-li HUANG Yu LI Hai-zhou |
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| Affiliation: | 1.State Key Laboratory of Material Processing and Die and Mould Technology, Huazhong University of Science and Technology,Wuhan Hubei 430074,China; 2.State Engineering Research Center of Manufacturing Equipment Digitization, Huazhong University of Science and Technology,Wuhan Hubei 430074,China) |
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| Abstract: | Dead-time factor is approximately expressed in a standard Pad-type rational function in order to reduce the model orders;sub-optimal controllers based on zero-displacement-error integrated time absolute error(ITAE) optimum transfer function are presented.Taking an example of the second order dead-time system,algorithmic simulations are made;and results show that all-pole standard Pad-type approximation can get an ideal control effect. |
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| Keywords: | Dead-time system Model order reduction Padé approximation Sub-optimal control Integrated time and absolute error |
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