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Active Control of Sound, Applications of

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Synonyms

Active noise control; Active noise cancellation; Active noise reduction; Anti-sound; Adaptive structures; Smart structures; Cyber-physical systems

Definitions

The active control of sound is realized with active noise reduction systems. These systems are made up of actuators, sensors and digital signal processing. Unlike classical passive sound control the active control of sound is especially effective at low frequencies. Active noise reduction systems are able to reduce unwanted sound with a minimum of added mass and volume which makes them useful for lightweight applications for example in the automotive or aerospace industry.

Abbreviations

AMP:

Amplifier

ANC:

Active noise control

ANVC:

Active noise vibration control

ASAC:

Active structural acoustic control

AVC:

Active vibration control

CFRP:

Carbon fiber reinforced plastics

CROR:

Counter-rotating open rotor

EF:

Eigenfrequency

EMI:

Electromagnetic interference

FIR:

Finite impulse response filter

FRF:

Frequency response...

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References

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  • Misol M (2019) Active sidewall panels with remote microphone technique for aircraft interior noise reduction. In: 26th international congress on sound and vibration

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  • Misol M, Algermissen S, Monner HP (2013) Experimental study of an active window for silent and comfortable vehicle cabins. In: Sinapius M, Wiedemann M (eds) Adaptive, tolerant and efficient composite structures, research topics in aerospace, chap 36. Springer, Berlin/Heidelberg, pp 439–447. https://doi.org/10.1007/978-3-642-29190-6

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  • Misol M, Algermissen S, Rose M, Monner HP (2018) Aircraft lining panels with low-cost hardware for active noise reduction. In: Joint conference acoustics 2018. https://elib.dlr.de/122049/

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Correspondence to Malte Misol .

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Misol, M., Algermissen, S., Haase, T. (2019). Active Control of Sound, Applications of. In: Altenbach, H., Öchsner, A. (eds) Encyclopedia of Continuum Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-53605-6_282-1

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  • DOI: https://doi.org/10.1007/978-3-662-53605-6_282-1

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-662-53605-6

  • Online ISBN: 978-3-662-53605-6

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