A High-Precision Discrete Tracking Differentiator and Its Application in Processing PMU Data

被引：3

作者：

Zhang, Hehong ^{[1
]}

Xie, Yunde ^{[2
]}

Yang, Xiaozhou ^{[3
]}

Pan, Tso-Chien ^{[4
]}

Yang, Luo ^{[5
]}

Xiao, Gaoxi ^{[6
]}

Zhai, Chao ^{[4
]}

Zhao, Hanxiang ^{[7
]}

机构：

[1] Nanyang Technol Univ, Interdisciplinary Grad Sch, Singapore, Singapore

[2] Technol Dev Co Ltd, Beijng Enterprises Holding Maglev, Beijing, Peoples R China

[3] Natl Univ Singapore, Ind Syst Engn & Management, Singapore, Singapore

[4] Nanyang Technol Univ, Inst Catastrophe Risk Management, Singapore, Singapore

[5] NARI Technol Dev Co Ltd, Nanjing, Jiangsu, Peoples R China

[6] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore, Singapore

[7] Brown Univ, Dept Comp Sci, Providence, RI 02912 USA

来源：

2018 INTERNATIONAL CONFERENCE ON CONTROL, ARTIFICIAL INTELLIGENCE, ROBOTICS & OPTIMIZATION (ICCAIRO) | 2018年

基金：

新加坡国家研究基金会;

关键词：

tracking differentiator (TD); discrete time optimal control (DTOC); phasor measurement units (PMUs); filtering;

D O I：

10.1109/ICCAIRO.2018.00009

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A new and simple tracking differentiator (TD) with high precision based on discrete time optimal control (DTOC) law is proposed. The DTOC law is constructed in the form of the state feedback for a discrete-time double-integral system by using the state back-stepping approach. Zero-order hold of the control signal is introduced to improve the precision of discretization model. The control signal sequence in this approach is determined by the linearized criterion according to the position of the initial state point on the phase plane. The state estimation filtering characteristics of the TD are analyzed. The field phasor measurement units (PMUs) data are processed using the proposed TD. Not requiring complex power system modeling and historical data, the proposed TD is suitable for real-time synchrophasor estimation application especially when the states are corrupted by noise.

引用

页码：1 / 5

页数：5

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