Acoustic-based machine condition monitoring—methods and challenges

G Jombo, Y Zhang - Eng, 2023 - mdpi.com
The traditional means of monitoring the health of industrial systems involves the use of
vibration and performance monitoring techniques amongst others. In these approaches …

Research on voltage waveform fault detection of miniature vibration motor based on improved WP-LSTM

R Wang, Z Feng, S Huang, X Fang, J Wang - Micromachines, 2020 - mdpi.com
To solve the problem of vibration motor fault detection accuracy and inefficiency in
smartphone components, this paper proposes a fault diagnosis method based on the …

Acoustic signal analysis for gear fault diagnosis using a uniform circular microphone array

C Li, C Chen, X Gu - Journal of Mechanical Science and Technology, 2023 - Springer
In this paper, a far-field acoustic signal processing method based on a uniform circular
microphone array is proposed for the gear fault detection. The method takes ensemble …

Patterns based on clarke and park transforms of wavelet coefficients for classification of electrical machine faults

ALO Vitor, PR Scalassara, A Goedtel… - Journal of Control …, 2023 - Springer
Although having robust construction, the three-phase induction motor is frequently exposed
to electrical, mechanical, and thermal stress, which, over time, may result in failure. This …

Ultra-thin DLC diaphragm-based optical fiber sensor achieving a highly sensitive and broadband acoustic response

Z Wu, Z Zhang, Z Sun, Z Ai, Y Guo, Q Zhu, K Zhao… - Optics Letters, 2024 - opg.optica.org
In the design of an extrinsic Fabry–Perot interferometer (EFPI) acoustic sensor, broadband
response and high-sensitivity sensing are usually conflicting and need to be carefully …

Lightweight Acoustic Anomaly Detection Algorithm for Wireless Sensor Networks

E Choi, H Park - 2024 IEEE Wireless Communications and …, 2024 - ieeexplore.ieee.org
Data-driven anomaly detection for machines in the wireless Industrial Internet of Things
(IIoT) environments is a critical task in modern industrial domains for system stability and …

An alternative approach for condition monitoring of brushless DC motor drives

DA Papathanasopoulos, ED Mitronikas… - 2020 International …, 2020 - ieeexplore.ieee.org
In this study, an alternative approach based on redundant and complementary fault
signatures is proposed for reliable condition monitoring of a Brushless DC motor drive in …

Research of Acoustic Signals Digital Processing Methods Application Efficiency for the Electromechanical System Functional Diagnostics

H Rudakova, O Polyvoda, I Kondratieva… - … “Intellectual Systems of …, 2021 - Springer
The article is devoted to researching of application efficiency of acoustic signals digital
processing methods for the electromechanical systems (EMS) functional diagnostics in real …

이산웨이블릿변환기반의대역에너지를활용한음향신호의이상탐지

최은혜, 박형곤 - 한국통신학회논문지, 2024 - dbpia.co.kr
산업 현장에서 기계 설비의 이상 상태를 감지하고 모니터링하는 것은 중요하다. 음향 신호
기반의 설비 고장 감지 기술은 기존의 이미지/영상 기반이나 기타 별도 센서 기반의 이상 감지 …

[PDF][PDF] Feature Engineering in Condition-based Maintenance: A Case Study

J Kallinkoski - 2022 - trepo.tuni.fi
Advances in machine learning have paved the way for new data-centric approaches in the
field of prognostics and health management of industrial applications. These approaches …