A Hybrid Control Development to Suppress the Noise in the Rectangular Enclosure using an Active/Passive Smart Foam Actuator
- Authors
- Yeung-Shik Kim; 김기만; Cheol-Ha Roh; C.R. Fuller
- Issue Date
- 2005
- Publisher
- 한국정밀공학회
- Keywords
- Active Noise Control; Filtered-x LMS; Hybrid Control; Smart Form Actuator; Sliding Mode Control; Sliding Mode Observer
- Citation
- International Journal of Precision Engineering and Manufacturing, v.6, no.4, pp 37 - 43
- Pages
- 7
- Journal Title
- International Journal of Precision Engineering and Manufacturing
- Volume
- 6
- Number
- 4
- Start Page
- 37
- End Page
- 43
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/22079
- ISSN
- 2234-7593
2205-4602
- Abstract
- This paper presents a hybrid control algorithm for the active noise control in the rectangular enclosure using an active/passive foam actuator. The hybrid control composes of the adaptive feedforward with feedback loop in which the adaptive feedforward control uses the well-known filtered-x LMS(least mean square) algorithm and the feedback loop consists of the sliding mode controller and observer. The hybrid control has its robustness for both transient and persistent external disturbances and increases the convergence speed due to the reduced variance of the filtered-x signal by adding the feedback loop. The sliding mode control (SMC) is used to incorporate insensitivity to parameter variations and rejection of disturbances and the observer is used to get the state information in the controller deign. An active/passive smart foam actuator is used to minimize noise actively using an embedded PVDF film driven by an electrical input and passively using an absorption-foam. The error path dynamics is experimentally identified in the form of the auto-regressive and moving-average using the frequency domain identification technique. Experimental results demonstrate the effectiveness of the hybrid control and the feasibility of the smart foam actuator.
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Collections - School of Mechanical System Engineering > 1. Journal Articles
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