An Overview of Sound Source Localization based Condition Monitoring Robots

D Lv, W Tang, G Feng, D Zhen, F Gu, AD Ball - ISA Transactions, 2024 - Elsevier
As artificial intelligence advances and demand for cost-effective equipment maintenance in
various fields increases, it is worth insightful research on utilizing robots embedded with …

Fast identification of coherent sound sources with the covariance matrix fitting method based on non-synchronous measurements

L Chen, Y Xiao, L Yu, T Yang, F Chen, C Zhang… - Mechanical Systems and …, 2024 - Elsevier
Abstract The Non-Synchronous Measurements is particularly effective at expanding the
operating frequency range of a single microphone array. The completed cross-spectral …

3D Non-synchronous measurements with central reference based on revolution and autorotation of spherical microphone array

L Yu, H Liu, N Chu… - IEEE Signal …, 2023 - ieeexplore.ieee.org
The non-synchronous measurement (NSM) technology has been significantly developed.
NSM at the coprime position (CP-NSM) is a measurement principle in two-dimensional (2D) …

Deep Learning Aided Sound Source Localization: A Nonsynchronous Measurement Approach

G Chen, L Chen, W Sun, Q Li… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Nonsynchronous measurement (NSM) is able to improve the spatial resolution of
beamforming and localization accuracy at the cost of longer recording time. This trade-off …

Three-dimensional sound source localization system based on fiber optic sensor array with an adaptive algorithm

X Li, C Guan, H Qin, J Huang, W Chu, S Chai, P Lv… - Optics …, 2024 - Elsevier
Abstract Sound Source Localization (SSL) based on microphone arrays nowadays is widely
used in the fields of machinery rattle localization, weapon navigation, and robot hearing …

A 4-channel acoustic sensor system for sound source detection of the service robot

J Hu, B Lu, J Liu, T Zhou, X Fan, X Liu… - … Conference on Real …, 2024 - ieeexplore.ieee.org
Constrained by the physical geometry of microphone arrays on the service robot, there exist
limitations on both the minimum and maximum frequency bounds along with the coverage …

Coherent Noise Denoising in Beamforming Based on Non-Convex Robust Principal Component Analysis.

H Hou, F Ning, W Li, Q Zhai, J Wei… - Journal of Theoretical …, 2024 - search.ebscohost.com
Beamforming maps are often seriously impacted by background noise. Background Noise
Subtraction (BNS), Eigenvalue Identification and Subtraction (EIS), and Eigenvalue …

Laplacian-enhanced non-synchronous measurements method

J Zhang, J Hu, G Chen, X Liu, W Sun… - INTER-NOISE and …, 2024 - ingentaconnect.com
To address the challenges of physical geometric constraints of microphone arrays and the
lack of a prior information about the operating frequencies of target signals, we propose a …

Sound Source Reconstruction with Gibbs Sampler from Non-Synchronous Wind Tunnel Measurements

F Zeng, L Xu, L Yu, A Bao, B Chen… - 2023 6th International …, 2023 - ieeexplore.ieee.org
In conventional array signal processing, the resolution of acoustic imaging and the working
frequency of the array are directly limited by the aperture and density of the microphone …

3d Non-Synchronous Measurements of the Spherical Harmonic Domain with the Open Spherical Microphone Array

L Yu, H Liu, N Chu, W Yang - Available at SSRN 4651562 - papers.ssrn.com
The width of the mainlobe in the spherical harmonic domain (SHD) acoustic imaging is
mainly influenced by the microphone aperture and number. A research method proposed in …