نتایج جستجو برای: bearing fault

تعداد نتایج: 137115  

Journal: :International Journal of Control, Automation and Systems 2019

Journal: :The International Journal of Advanced Manufacturing Technology 2018

Journal: :Journal of Electrical Engineering and Technology 2016

Journal: :Bilgisayar bilimleri 2021

-- In general, induction motors predictive maintenance is well suited for small to large-scale industries minimize failure, maximize performance, and improve reliability. The vibration of an motor was investigated in this paper order gather precise details that can be used forecast bearing failure. With view, carrying fault detection scheme has been attempted. machine learning algorithms additi...

2001
Hasan Ocak Kenneth A. Loparo

This paper introduces a new bearing fault detection and diagnosis scheme based on hidden Markov modeling (HMM) of vibration signals. First features are extracted from amplitude demodulated vibration signals obtained from both normal and faulty bearings. The features are based on the reflection coefficients of the polynomial transfer function of the autoregressive model of the vibration signal. ...

2015
S. Sendhil Kumar M. Senthil

Maintenance and design engineers have great concern for the functioning of rotating machineries due to the vibration phenomenon. Improper functioning in rotating machinery originates from the damage to rolling element bearings. The status of rolling element bearings require advanced technologies to monitor their health status efficiently and effectively. Avoiding vibration during machine runnin...

S. Patil V. Phalle

Anti-Friction Bearing (AFB) is a very important machine component and its unscheduled failure leads to cause of malfunction in wide range of rotating machinery which results in unexpected downtime and economic loss. In this paper, ensemble machine learning techniques are demonstrated for the detection of different AFB faults. Initially, statistical features were extracted from temporal vibratio...

2017
Ran Zhang Zhen Peng Lifeng Wu Beibei Yao Yong Guan

Intelligent condition monitoring and fault diagnosis by analyzing the sensor data can assure the safety of machinery. Conventional fault diagnosis and classification methods usually implement pretreatments to decrease noise and extract some time domain or frequency domain features from raw time series sensor data. Then, some classifiers are utilized to make diagnosis. However, these conventiona...

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