一阶并联全通结构微分器的设计

IF 10.1 2区工程技术 Q1 ENGINEERING, MECHANICAL

Facta Universitatis-Series Mechanical Engineering Pub Date : 2023-07-29 DOI:10.22190/fuacr230324004s

Goran Stančić, Ivan Krstić, Saša S. Nikolić, Ivana Kostić

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引用次数: 0

摘要

本文提出了一种设计一阶微分器的新方法。该微分器由两个平行分支组成，即直接路径和IIR全通滤波器。所描述的设计方法允许人们通过控制相响应极值的比率来获得在期望区域具有最小平均相对误差的解。小的相对幅度误差，以及低相位误差，在低频率是良好的时域行为的条件。所得到的微分器只需两个乘法器即可实现，因此是实时应用的良好选择。该方案提供了一个较小的幅度误差比几个已知的微分器具有相似的相位误差。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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DESIGN OF FIRST ORDER DIFFERENTIATOR WITH PARALLEL ALL-PASS STRUCTURE

In this paper a new method for design of the first order differentiator is presented. The proposed differentiator consists of two parallel branches, i.e. direct path and IIR all-pass filter. The described design method allows one to obtain solution with minimum mean relative error at the desired region by controlling the ratio of phase response extremes. A small relative magnitude error, as well as a low phase error, at low frequencies is condition for good time domain behaviour. The obtained differentiator can be realized by means of only two multipliers, hence being a good choice for real time applications. The proposed solution provides a lower magnitude error than several known differentiators with similar phase error.

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来源期刊

Facta Universitatis-Series Mechanical Engineering ENGINEERING, MECHANICAL-

CiteScore

14.40

自引率

2.50%

发文量

审稿时长

6 weeks

期刊介绍： Facta Universitatis, Series: Mechanical Engineering (FU Mech Eng) is an open-access, peer-reviewed international journal published by the University of Niš in the Republic of Serbia. It publishes high-quality, refereed papers three times a year, encompassing original theoretical and/or practice-oriented research as well as extended versions of previously published conference papers. The journal's scope covers the entire spectrum of Mechanical Engineering. Papers undergo rigorous peer review to ensure originality, relevance, and readability, maintaining high publication standards while offering a timely, comprehensive, and balanced review process.