Digital signal processor implementation of active noise control systems for broadband noise cancellation in engine exhaust systems

Jian-Da Wu, Mingsian R. Bai

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This paper describes the principle and application of broadband active noise control (ANC) for engine exhaust systems using a spatially feedforward structure. The algorithm of the proposed controller is obtained from previous work by Roure (1985), Munjal and Eriksson (1988), Hong and Bernstein (1998), and there exist some conclusions for this structure. The self-adaptive broadband controller is discussed and implemented on a digital signal processor (DSP), using finite impulse response (FIR) and infinite impulse response (IIR) filters. Experiments were carried out to evaluate the proposed system for reducing the noise under different engine operating conditions. The experimental results indicate that the ANC system is effective in reducing the broadband noise for engine exhaust systems using the spatially feedforward structure.

Original languageEnglish
Pages (from-to)4982-4986
Number of pages5
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume39
Issue number8
Publication statusPublished - 2000 Aug 1

Fingerprint

exhaust systems
Active noise control
Exhaust systems (engine)
Digital signal processors
Acoustic noise
cancellation
central processing units
engines
broadband
Control systems
controllers
IIR filters
Controllers
Impulse response
impulses
Engines
Experiments

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

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