Modeling of an Acoustic Path and PID Feedback Control Systems Design for Active Noise Control
Autor: | Shuichi Adachi, Masayuki Hirano, Tohru Sannoudou, Hisashi Sano |
---|---|
Rok vydání: | 1999 |
Předmět: | |
Zdroj: | TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C. 65:3599-3605 |
ISSN: | 1884-8354 0387-5024 |
DOI: | 10.1299/kikaic.65.3599 |
Popis: | Focus is placed on the feedback (FB) active noise control (ANC) in order to reduce costs by simplifying ANC systems, because FB-ANC does not need reference signals. The purpose of this paper is to obtain a low order accurate model of an acoustic plant for FB-ANC and design a simple controller based on this model. The plant in this case is from the input to a single secondary loudspeaker to the output of a single error sensor (microphone). First, as a modeling method, physical modeling is applied. Second, Smith predictor is modified for FB-ANC to eliminate the influence of time delay in an acoustic field, and a PID controller is designed. Finally, effectiveness of the modeling methods and the proposed FB-ANC are demonstrated through numerical experiments using actual data. |
Databáze: | OpenAIRE |
Externí odkaz: |