[PDF] Top 20 Feedforward and feedback control strategy for active noise cancellation in ducts
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Feedforward and feedback control strategy for active noise cancellation in ducts
... For a semi-infinite duct, an upstream microphone is used to observe noise propagating in the downstream direction.. This signal is then fed into the controller as a space-feedforward [r] ... See full document
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Adaptive Feedforward Active Noise Cancellation in Ducts Using the Model Matching of Wave Propagation Dynamics
... the feedforward ANC problem from the per- spective of model matching under the closed form solution is ...parameterization for all possible controllers that achieve the broad-band noise ... See full document
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Comparison of active noise control structures in the presence of acoustical feedback by using the H-infinity synthesis technique
... three control structures of active noise cancellation for ducts: feedback control, feedforward control, and hybrid ...compared in terms ... See full document
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Application of model-matching techniques to feedforward active noise controller design
... Abstract— In this paper, three digital model-matching tech- niques in H 2 , H 1 , and l 1 performance measures are applied to design digital feedforward controllers for active ... See full document
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Broadband spatially feedforward active noise control algorithms using a comb filter
... Remarks In this paper, controllers comprising a nonrecursive filter and a recursive filter have been developed to approximate the ideal spa- tially feedforward controller for the duct ANC ... See full document
6
Feedforward active noise controller design in duets without independent noise source measurements
... Feedforward Active Noise Controller Design in Ducts Without Independent Noise Source Measurements Jwusheng Hu and Jyh-Feng Lin Abstract—Feedforward control ... See full document
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Controller design for active noise cancellation headphones using experimental raw data
... the noise amplification over the other frequency interval should not be too ...dB in sound pressure level is just noticeable subjectively for most people (see [21, ...interfering noise is ... See full document
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Development of a feedforward active noise control system by using the H-2 and H infinity model matching principle
... 1995, and in final form 3 September 1996) Two novel active noise control techniques on the basis of feedforward H 2 and H a optimal model matching principle are ...2 ... See full document
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Active cancellation of noise in a car cabin using the zero spillover controller
... 1999, and in ,nal form 8 February 2000) In active noise control problems, spillover will occur because of the Bode integral constraint if the performance sensors and ... See full document
14
Study of the acoustic feedback problem of active noise control by using the l(1) and l(2) vector space optimization approaches
... The active noise control ~ANC! technique has attracted much academic as well as industrial attention since it pro- vides numerous advantages over traditional passive methods in attenuating ... See full document
9
Reduction of electronic delay in active noise control systems - A multirate signal processing approach
... al. in the following aspects. First, the nature of the problem in this paper is quite different from the headset ...investigated in this paper is a one-dimensional duct problem where the complex- ity ... See full document
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Plant uncertainty analysis in a duct active noise control problem by using the H-infinity theory
... Performance and robustness analysis is then carried out by using a general framework of the H ` robust control ...information in choosing appropriate weighting functions for designing an ... See full document
11
Integration of a quantitative feedback theory (OFT)-based active noise canceller and 3D audio processor to headsets
... audio and the ANC. A feedforward mod- ule that implements the 3D audio effects was realized by using a fixed-point DSP, ADI ...HRTF and the reverberator. The feedforward 3D audio module was ... See full document
10
ACTIVE NOISE CONTROL OF ENGINE EXHAUST SYSTEM 李天華、吳建達
... KUO AND D. R. MORGAN, 1996, ACTIVE NOISE CONTROL SYSTEMS: ALGORITHMS AND DSP IMPL -EMENTATIONS, NEW YORK: JOHN WILEY AND ...NELSON AND S. J. ELLIOT, 1992, ACTIVE ... See full document
2
Active noise cancellation in ducts using internal model-based control algorithms
... Abstract-A feedback control algorithm based on the internal model principle is proposed to solve the active noise control.. (ANC) problem in ducts.[r] ... See full document
8
Active noise cancellation for a three-dimensional enclosure by using multiple-channel adaptive control and H infinity control
... Table 2 The order-reduced models of the secondary paths identified by the ARX procedure, where S stands for the secondary plant; the sub- scripts correspond to the speaker input and the[r] ... See full document
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ACTIVE NOISE CANCELLATION BY USING THE LINEAR-QUADRATIC GAUSSIAN INDEPENDENT MODAL SPACE CONTROL
... The results indicate that the technique will yield significant noise reduction if one uses the same number of controlled modes, microphones, and loudspeakers.. Satisfactory per[r] ... See full document
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An optimal feedback control strategy for waste disposal management in agroecosystems
... A dynamic model based on the linear systems theory is implemented in designing optimal feedback control strategies to efficiently manage waste disposal in agroecosyste[r] ... See full document
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A modified H-2 feedforward active control system for suppressing broadband random and transient noises
... 2 FEEDFORWARD ANC ALGORITHM As presented earlier, the H 2 and H a methods effectively solve the model matching problem, even if the NMP problem of the plant is ...compensation for the NMP zeros by ... See full document
14
CONSTRAINED OPTIMIZATION OF ACTIVE NOISE-CONTROL SYSTEMS IN ENCLOSURES
... An effective software design tool is proposed for solving active noise control problems associated with constraints in which the complex strength and location of the secondary s[r] ... See full document
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