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http://dx.doi.org/10.5370/KIEEP.2015.64.4.267

Characteristics of Real-time Implementation using the Advanced System Controller in ANC Systems  

Moon, Hak-ryong (Korea Institute of Construction Technology, SOC Research Institute)
Shon, Jin-geun (Dept. of Electrical Engineering, Gachon University)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers P / v.64, no.4, 2015 , pp. 267-272 More about this Journal
Abstract
Active noise control (ANC) is a method of cancelling a noise signal in an acoustic cavity by generating an appropriate anti-noise signal via canceling loudspeakers. The continuous progress of ANC involves the development of improved adaptive signal processing algorithms, transducers, and DSP hardware. In this paper, the convergence behavior and the stability of the FxLMS algorithm in ANC systems with real-time implementation is proposed. Specially, The advanced DSP H/W with dual core(DSP+ARM) and API(application programming interface) S/W programming was developed to improve the real-time implementation performance under the FxLMS algorithms of input noise such as road noise environment. The experimental results are found to be in good agreement with the theoretical predictions.
Keywords
ANC(active noise control); Adaptive signal processing; Anti-noise signal; Convergence behavior; FxLMS(filterd-x least mean square);
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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