Modified phase-frequency detector for improved response of PLL servo controller

被引：0

作者：

Adkins, CA ^{[1
]}

Marra, MA ^{[1
]}

Walcott, BL ^{[1
]}

机构：

[1] Lexmark Int Inc, Lexington, KY 40550 USA

来源：

PROCEEDINGS OF THE 2002 AMERICAN CONTROL CONFERENCE, VOLS 1-6 | 2002年 / 1-6卷

关键词：

D O I：

10.1109/ACC.2002.1024772

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a modification of a well known phase-frequency detector to improve closed-loop damping in, a phase-locked loop DC servo control mechanism. In a closed-loop servo system that contains non-linearities, disturbances in the steady-state response are expected These disturbances may cause the system to break phase-lock. If this occurs there will be more disturbances created by the PLL as phase-lock is achieved again. A modified PFD will be discussed that allows for a small. amount of steady-state disturbances without losing phase-lock.

引用

页码：19 / 20

页数：2

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