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Title: Zero/pole placement control of periodic duct noise
Authors: Yuan, J 
Issue Date: 2002
Publisher: Pergamon Press
Source: Applied acoustics, 2002, v. 63, no. 1, p. 61-80 How to cite?
Journal: Applied acoustics 
Abstract: A zero/pole placement controller (ZPPC) is presented here for active control of periodic duct noise. It uses sound pressure feedback instead of modal feedback. The controller is able to place closed-loop zeros in addition to closed-loop poles. A new adaptation law is proposed to help the controller to track parameter drifting and maintain good performance. The controller can combine with any feedforward scheme to form a hybrid (feedforward/feedback) active noise controller. It has an advantage of on-line identification of the secondary path without persistent excitations.
ISSN: 0003-682X
EISSN: 1872-910X
DOI: 10.1016/S0003-682X(01)00017-2
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