Active noise control (ANC) is a more effective technique used for acoustic noise cancelation in comparison with passive approaches which are difficult and expensive to implement, especially for cancelling the noise in the low frequency range. In the ANC system, an anti-noise signal is introduced to suppress the primary noise to produce a residual which is used for updating the adaptive filter c...

The limitations of passive noise control methods impose a need for new technical solutions to solve the problem reducing low-frequency noise, which is considered be dominant component disturbance. In recent years, subject intensive research are active systems, have aroused considerable interest and represent promising solution control. This paper proposes robust methodology simplified design an...

There are two ways to implement frequency domain filtered x LMS (FXLMS) algorithms. The first carries out both control signal generation and control filter updating in the frequency domain, and the second involves implementation of the control filtering in the time domain and updating of the coefficients of the control filters in the frequency domain. Most active noise control literature is foc...

The paper presents the semi-active vibration control based on the Skyhook algorithm which benefits from the adaptively tuned inverse magnetorheological (MR) damper model. The structure of the inverse model consists of the atan function and a linear viscous damping component. The proposed algorithm was tested by simulation of the quarter-car suspension model subjected to multiple bump road excit...

This paper presents a systematic synthesis procedure for -optimal adaptive FIR filters in the context of an active noise cancellation (ANC) problem. An estimation interpretation of the adaptive control problem is introduced first. Based on this interpretation, an estimation problem is formulated, and its finite horizon prediction (filtering) solution is discussed. The solution minimizes the max...

NVH (noise, vibration, and harshness) is a key factor affecting vehicle comfort. Compared with traditional sound absorption isolation methods, active noise control (ANC) offers significant advantage in solving the problem of low- medium-frequency from road surfaces. However, classic filtered-x least mean squares (FxLMS) algorithm ineffective terms adapting to different noises ensure stable redu...

Abstract Purpose The goal of this work is to propose a local Active Noise Control system for an aircraft seat’s headrest. This should be able extend the quiet zone beyond physical microphones that can placed behind passenger’s head due space constraints. Furthermore, control algorithm perform efficiently when non-linear phenomena exist during sound propagation. Methods A functional link neural ...

Today’s cars must meet ever-higher acoustic standards, and so, to avoid compromising vehicle dynamics, handling performance fuel consumption, standard passive methods alone do not provide sufficient performance. Active control solutions can a potential solution this challenge, particularly at low frequency such systems have been investigated for application small cars, SUVs luxury vehicles. The...