STUDY ON A NOVEL ADAPTIVE NOISE CANCELLATION ALGORITHM APPLIED TO CHARACTERISTIC EXTRACTING FOR THERMAL PROCESS

被引：0

作者：

Liu, Ji-Zhen ^{[1
]}

Zhu, Hong-Lu ^{[1
]}

Chang, Tai-Hua ^{[1
]}

Tian, Liang ^{[1
]}

机构：

[1] N China Elect Power Univ, Dept Automat, Beijing 102206, Peoples R China

来源：

PROCEEDINGS OF 2009 INTERNATIONAL CONFERENCE ON MACHINE LEARNING AND CYBERNETICS, VOLS 1-6 | 2009年

关键词：

Characteristic extracting; Adaptive noise cancellation; LMS algorithm; Thermal processes; Information retrieval;

D O I：

10.1109/ICMLC.2009.5212500

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Along with the increasing requests of the control level for power plant operation, accurate state parameters are needed for the advanced control, diagnosis and optimization algorithm. But the signal of the state parameter is obscured by all kinds of noises in thermal system and difficult to analyze. To solve this problem, a novel least-mean-square(LMS) algorithm is used for characteristic extracting in the adaptive noise cancellation (ANC) problem. An improved LMS algorithm based on Sigmoid function was presented. The simulation result shows that a superior performance of the new algorithm in stationary environment and an equivalent performance in nonstationary environment. The experiment proves the method is effective and feasible for thermal processes signal analyzing.

引用

页码：308 / 312

页数：5

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