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Optimizing a multi-channel ANC system for broadband noise cancellation in a telephone kiosk using genetic algorithms

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Optimizing a multi-channel ANC system for broadband noise cancellation in a telephone kiosk using genetic algorithms. / Montazeri, Allahyar; Poshtan, Javad.

In: Shock and Vibration, Vol. 16, No. 3, 2009, p. 241-260.

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@article{2560c0ba3aab46d38ae173eca4533a63,
title = "Optimizing a multi-channel ANC system for broadband noise cancellation in a telephone kiosk using genetic algorithms",
abstract = "The problem of optimizing an active noise control system for the implementation of a multi-channel ANC system with the aim of global reduction of broadband noise in a telephone kiosk is addressed in this paper. This optimization involves finding best locations for loudspeakers and microphones, and optimizing control signals. The problem of finding a proper size for control system, i.e. the number of loudspeakers and microphones involved in the control system is also investigated. The mean of acoustic potential energy in the enclosure in a frequency range of 50 Hz to 300 Hz is selected as a measure for optimization. Several genetic algorithms are proposed and compared to find the global minimum of this performance index. In order to have a better performance in reaching the global minimum, the parameters of these genetic algorithms are tuned, and the best genetic algorithm is selected among them. Numerical simulations of the acoustical potential energy and also sound pressure at the height where the head of a person may be located, confirms the optimality of the locations proposed by the genetic algorithm. Besides, the robustness of the optimized control system with respect to eventual changes in the location of primary and secondary loudspeakers and also microphones is shown with several simulations.",
keywords = "active noise control, ACTUATOR LOCATIONS, optimal placement, global sound reduction, Genetic algorithms, SIMULATION",
author = "Allahyar Montazeri and Javad Poshtan",
year = "2009",
doi = "10.3233/SAV-2009-0464",
language = "English",
volume = "16",
pages = "241--260",
journal = "Shock and Vibration",
issn = "1070-9622",
publisher = "IOS Press",
number = "3",

}

RIS

TY - JOUR

T1 - Optimizing a multi-channel ANC system for broadband noise cancellation in a telephone kiosk using genetic algorithms

AU - Montazeri, Allahyar

AU - Poshtan, Javad

PY - 2009

Y1 - 2009

N2 - The problem of optimizing an active noise control system for the implementation of a multi-channel ANC system with the aim of global reduction of broadband noise in a telephone kiosk is addressed in this paper. This optimization involves finding best locations for loudspeakers and microphones, and optimizing control signals. The problem of finding a proper size for control system, i.e. the number of loudspeakers and microphones involved in the control system is also investigated. The mean of acoustic potential energy in the enclosure in a frequency range of 50 Hz to 300 Hz is selected as a measure for optimization. Several genetic algorithms are proposed and compared to find the global minimum of this performance index. In order to have a better performance in reaching the global minimum, the parameters of these genetic algorithms are tuned, and the best genetic algorithm is selected among them. Numerical simulations of the acoustical potential energy and also sound pressure at the height where the head of a person may be located, confirms the optimality of the locations proposed by the genetic algorithm. Besides, the robustness of the optimized control system with respect to eventual changes in the location of primary and secondary loudspeakers and also microphones is shown with several simulations.

AB - The problem of optimizing an active noise control system for the implementation of a multi-channel ANC system with the aim of global reduction of broadband noise in a telephone kiosk is addressed in this paper. This optimization involves finding best locations for loudspeakers and microphones, and optimizing control signals. The problem of finding a proper size for control system, i.e. the number of loudspeakers and microphones involved in the control system is also investigated. The mean of acoustic potential energy in the enclosure in a frequency range of 50 Hz to 300 Hz is selected as a measure for optimization. Several genetic algorithms are proposed and compared to find the global minimum of this performance index. In order to have a better performance in reaching the global minimum, the parameters of these genetic algorithms are tuned, and the best genetic algorithm is selected among them. Numerical simulations of the acoustical potential energy and also sound pressure at the height where the head of a person may be located, confirms the optimality of the locations proposed by the genetic algorithm. Besides, the robustness of the optimized control system with respect to eventual changes in the location of primary and secondary loudspeakers and also microphones is shown with several simulations.

KW - active noise control

KW - ACTUATOR LOCATIONS

KW - optimal placement

KW - global sound reduction

KW - Genetic algorithms

KW - SIMULATION

U2 - 10.3233/SAV-2009-0464

DO - 10.3233/SAV-2009-0464

M3 - Journal article

VL - 16

SP - 241

EP - 260

JO - Shock and Vibration

JF - Shock and Vibration

SN - 1070-9622

IS - 3

ER -