New simple filtered-x algorithm for parallel Hammerstein systems

Tomohiro Ohno, Akira Sano, Hiromitsu Ohmori

研究成果: Conference contribution

抄録

A new nonlinear filtered-x algorithm is proposed for adaptive feedforward compensation for parallel Hammerstein systems, which has many applications such as nonlinear active noise control and predistortion for nonlinear high power amplifiers. To attenuate the compensation error, a virtual error and prediction error are introduced and forced into zero by adjusting three nonlinear adaptive filters in an on-line manner. It is shown that the convergence of the compensation error to zero can be assured by forcing the prediction error and virtual error to zero separately. The proposed method can adjust the adaptive feedforward controller by using the newly introduced virtual error, unlike the ordinary nonlinear filtered-x algorithm using the compensation error directly. Furthermore, the PE property of the reference signal is not needed, which is a great advantage of the proposed direct approach. Its effectiveness is examined and clarified in comparison with an ordinary nonlinear filtered-x algorithm in numerical simulations.

元の言語English
ホスト出版物のタイトルICCAS-SICE 2009 - ICROS-SICE International Joint Conference 2009, Proceedings
ページ4503-4507
ページ数5
出版物ステータスPublished - 2009
イベントICROS-SICE International Joint Conference 2009, ICCAS-SICE 2009 - Fukuoka, Japan
継続期間: 2009 8 182009 8 21

Other

OtherICROS-SICE International Joint Conference 2009, ICCAS-SICE 2009
Japan
Fukuoka
期間09/8/1809/8/21

Fingerprint

Error compensation
Active noise control
Adaptive filters
Power amplifiers
Controllers
Computer simulation

ASJC Scopus subject areas

  • Information Systems
  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering

これを引用

Ohno, T., Sano, A., & Ohmori, H. (2009). New simple filtered-x algorithm for parallel Hammerstein systems. : ICCAS-SICE 2009 - ICROS-SICE International Joint Conference 2009, Proceedings (pp. 4503-4507). [5333058]

New simple filtered-x algorithm for parallel Hammerstein systems. / Ohno, Tomohiro; Sano, Akira; Ohmori, Hiromitsu.

ICCAS-SICE 2009 - ICROS-SICE International Joint Conference 2009, Proceedings. 2009. p. 4503-4507 5333058.

研究成果: Conference contribution

Ohno, T, Sano, A & Ohmori, H 2009, New simple filtered-x algorithm for parallel Hammerstein systems. : ICCAS-SICE 2009 - ICROS-SICE International Joint Conference 2009, Proceedings., 5333058, pp. 4503-4507, ICROS-SICE International Joint Conference 2009, ICCAS-SICE 2009, Fukuoka, Japan, 09/8/18.
Ohno T, Sano A, Ohmori H. New simple filtered-x algorithm for parallel Hammerstein systems. : ICCAS-SICE 2009 - ICROS-SICE International Joint Conference 2009, Proceedings. 2009. p. 4503-4507. 5333058
Ohno, Tomohiro ; Sano, Akira ; Ohmori, Hiromitsu. / New simple filtered-x algorithm for parallel Hammerstein systems. ICCAS-SICE 2009 - ICROS-SICE International Joint Conference 2009, Proceedings. 2009. pp. 4503-4507
@inproceedings{3be44c77f102425f95b210a871b40279,
title = "New simple filtered-x algorithm for parallel Hammerstein systems",
abstract = "A new nonlinear filtered-x algorithm is proposed for adaptive feedforward compensation for parallel Hammerstein systems, which has many applications such as nonlinear active noise control and predistortion for nonlinear high power amplifiers. To attenuate the compensation error, a virtual error and prediction error are introduced and forced into zero by adjusting three nonlinear adaptive filters in an on-line manner. It is shown that the convergence of the compensation error to zero can be assured by forcing the prediction error and virtual error to zero separately. The proposed method can adjust the adaptive feedforward controller by using the newly introduced virtual error, unlike the ordinary nonlinear filtered-x algorithm using the compensation error directly. Furthermore, the PE property of the reference signal is not needed, which is a great advantage of the proposed direct approach. Its effectiveness is examined and clarified in comparison with an ordinary nonlinear filtered-x algorithm in numerical simulations.",
keywords = "Adaptive feedforward control, Filtered-x algorithm, Hammerstein system, Nonlinear filtered-x algorithm",
author = "Tomohiro Ohno and Akira Sano and Hiromitsu Ohmori",
year = "2009",
language = "English",
isbn = "9784907764333",
pages = "4503--4507",
booktitle = "ICCAS-SICE 2009 - ICROS-SICE International Joint Conference 2009, Proceedings",

}

TY - GEN

T1 - New simple filtered-x algorithm for parallel Hammerstein systems

AU - Ohno, Tomohiro

AU - Sano, Akira

AU - Ohmori, Hiromitsu

PY - 2009

Y1 - 2009

N2 - A new nonlinear filtered-x algorithm is proposed for adaptive feedforward compensation for parallel Hammerstein systems, which has many applications such as nonlinear active noise control and predistortion for nonlinear high power amplifiers. To attenuate the compensation error, a virtual error and prediction error are introduced and forced into zero by adjusting three nonlinear adaptive filters in an on-line manner. It is shown that the convergence of the compensation error to zero can be assured by forcing the prediction error and virtual error to zero separately. The proposed method can adjust the adaptive feedforward controller by using the newly introduced virtual error, unlike the ordinary nonlinear filtered-x algorithm using the compensation error directly. Furthermore, the PE property of the reference signal is not needed, which is a great advantage of the proposed direct approach. Its effectiveness is examined and clarified in comparison with an ordinary nonlinear filtered-x algorithm in numerical simulations.

AB - A new nonlinear filtered-x algorithm is proposed for adaptive feedforward compensation for parallel Hammerstein systems, which has many applications such as nonlinear active noise control and predistortion for nonlinear high power amplifiers. To attenuate the compensation error, a virtual error and prediction error are introduced and forced into zero by adjusting three nonlinear adaptive filters in an on-line manner. It is shown that the convergence of the compensation error to zero can be assured by forcing the prediction error and virtual error to zero separately. The proposed method can adjust the adaptive feedforward controller by using the newly introduced virtual error, unlike the ordinary nonlinear filtered-x algorithm using the compensation error directly. Furthermore, the PE property of the reference signal is not needed, which is a great advantage of the proposed direct approach. Its effectiveness is examined and clarified in comparison with an ordinary nonlinear filtered-x algorithm in numerical simulations.

KW - Adaptive feedforward control

KW - Filtered-x algorithm

KW - Hammerstein system

KW - Nonlinear filtered-x algorithm

UR - http://www.scopus.com/inward/record.url?scp=77951119158&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=77951119158&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:77951119158

SN - 9784907764333

SP - 4503

EP - 4507

BT - ICCAS-SICE 2009 - ICROS-SICE International Joint Conference 2009, Proceedings

ER -