Analysis and Implementation of an Adaptive Algorithm for the Rejection of Multiple Sinusoidal Disturbances

被引：50

作者：

Guo, Xiuyan ^{[1
]}

Bodson, Marc ^{[2
]}

机构：

[1] QSecure, Los Altos, CA 94022 USA

[2] Univ Utah, Dept Elect & Comp Engn, Salt Lake City, UT 84112 USA

来源：

IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY | 2009年 / 17卷 / 01期

基金：

美国国家科学基金会;

关键词：

Active noise control (ANC); adaptive control; averaging analysis; magnitude phase-locked loop (MPLL); periodic disturbance rejection; INTERNAL-MODEL PRINCIPLE; DISCRETE-TIME; CANCELLATION; PERFORMANCE;

D O I：

10.1109/TCST.2008.922566

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 discrete-time adaptive algorithm is proposed to reject periodic disturbances in the case where the frequencies are unknown and a reference sensor is not available. The stability of the algorithm is analyzed using averaging theory, and the design of the parameters is based on the linearized averaged system. While the algorithm is first designed for rejecting periodic disturbances with one sinusoidal component, it is also extended to deal with cases where the disturbance has multiple sinusoidal components. A frequency separation method is proposed to prevent the frequency estimates from converging to the same value. The effectiveness of the adaptive scheme is validated in simulations and in experiments on an active noise control testbed.

引用

页码：40 / 50

页数：11

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