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Real-Time Nonlinear Filtered-X LMS Algorithm for Active Noise Control


Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
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  • Product Description
In practical active noise control (ANC) applications, nonlinearity effects degrade the performance of conventional linear control algorithm. The nonlinearity sources could originate from the noise process, primary and secondary acoustical propagation paths, or from the transducers consisting of loudspeaker, microphone or amplifier. In this book, a new method of modelling the saturation effect of the amplifier based on tangential hyperbolic function (THF) of the nonlinear part of a Hammerstein model structure is proposed. The THF modelling scheme can be incorporated into an established real time nonlinear FXLMS termed THF-NLFXLMS algorithm. The developed THF-NLFXLMS algorithm is tested by means of simulation and implemented experimentally using FPGA-based real time controller for a nonlinear ANC application. The application involves the reduction of a traffic noise that affects the pressure field in a bedroom. The ANC architecture implemented is a single channel internal model control (IMC) based feedback ANC system.
Product Specifications
SKU :COC9737
AuthorMouayad Sahib
Number of Pages260
Publishing Year04/02/15
Edition1 st
Book TypeTechnology: general issues
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece(Paperback)
Product First Available On ClickOnCare.com2015-07-07 00:00:00