Non-adaptive second-order generalized integrator for sinusoidal parameters estimation

被引：14
|
作者：
Fedele, Giuseppe [1 ]
机构：
[1] Univ Calabria, Dept Elect Comp & Syst Sci, I-87036 Arcavacata Di Rende, Italy
来源：
INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2012年 / 42卷 / 01期
关键词：
Sinusoidal parameters estimation; Second-order generalized integrator; Adaptive estimation; FREQUENCY-ESTIMATION TECHNIQUE; PLL; ALGORITHMS; TRACKING; SIGNALS; SYSTEM;
D O I：
10.1016/j.ijepes.2012.04.015
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a simple method for frequency, amplitude and phase estimation of a single sinusoidal signal is proposed. The approach described herein uses an orthogonal signals generator based on a Second-Order Generalized Integrator (SOGI). The frequency, amplitude and phase are estimated on the base of straightforward explicit formulas without any adaption of SOGI parameters. The method is implemented as a dynamic third- or fourth-order system according to specified cost function to be minimized. In case of highly corrupted signal a double-SOGI scheme can be used to further improve the filtering capabilities. The effectiveness of the proposed algorithm is demonstrated through simulated experiments and comparisons with existing methods. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：314 / 320
页数：7
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