| 基于锁相环技术的过程辨识方法研究 |
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| 引用本文： | 李宁智,王刻奇,杨智.基于锁相环技术的过程辨识方法研究[J].现代电子技术,2012,35(23):155-157. |
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| 作者姓名： | 李宁智 王刻奇 杨智 |
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| 作者单位： | 1. 中山大学南方学院,广东广州,510970
2. 中山大学信息科学与技术学院,广东广州,510275 |
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| 摘 要： | 针对广泛应用的继电反馈自整定控制器辨识方法的局限性，提出一种基于锁相环原理的过程非参数模型辨识方法。以NI公司的虚拟仪器软件LabVIEW为开发平台设计了锁相环过程辨识系统，包括被控过程仿真器、PCI-6024E数据采集卡和锁相环辨识软件设计三部分。实践证明，该系统具有操作简单，辨识精度较高的特点，具有良好的应用前景。
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| 关 键 词： | 过程辨识 继电整定 锁相环辨识 LabVIEW |
Study of process identification based on phase-locked loop |
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| LI Ning-zhi
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WANG Ke-qi
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YANG Zhi.Study of process identification based on phase-locked loop[J].Modern Electronic Technique,2012,35(23):155-157. |
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| Authors: | LI Ning-zhi WANG Ke-qi YANG Zhi |
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| Affiliation: | 1.Nanfang College of Sun Yat-sen University,Guangzhou 510970,China; 2.School of Information Science and Technology,Sun Yat-sen University,Guangzhou 510275,China) |
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| Abstract: | Aimed at the limitation of relay feedback identification in the auto-tuning controller, this paper proposes a non- parameter identification method based on phase-locked loop theory using LabVIEW developed by NI. The phase-locked loop identification system includes DSP, PCI-6024E board and phase-locked loop identification softwarq.＇. The practice shows that the system has the features of simple operation and high identification precision and has a good application prospect. |
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| Keywords: | process identificatiom relay auto-tuning phase-locked loop identificatiom LabBIEW |
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