Implications of the fourth industrial age on higher education

B Xing, T Marwala - arXiv preprint arXiv:1703.09643, 2017 - arxiv.org
Higher education in the fourth industrial revolution, HE 4.0, is a complex, dialectical and
exciting opportunity which can potentially transform society for the better. The fourth …

Data‐driven fault diagnosis approaches for industrial equipment: A review

AR Sahu, SK Palei, A Mishra - Expert Systems, 2024 - Wiley Online Library
Undetected and unpredicted faults in heavy industrial machines/equipment can lead to
unwanted failures. Therefore, prediction of faults puts paramount importance on maintaining …

[图书][B] Causality, correlation and artificial intelligence for rational decision making

T Marwala - 2015 - books.google.com
Causality has been a subject of study for a long time. Often causality is confused with
correlation. Human intuition has evolved such that it has learned to identify causality through …

Surface roughness diagnosis in hard turning using acoustic signals and support vector machine: A PCA-based approach

PJ Papandrea, EP Frigieri, PR Maia, LG Oliveira… - Applied Acoustics, 2020 - Elsevier
During the last years, notable efforts have been made to develop reliable and industrially
applicable machining monitoring systems based on different types of sensors, especially …

A discrepancy analysis methodology for rolling element bearing diagnostics under variable speed conditions

S Schmidt, PS Heyns, KC Gryllias - Mechanical Systems and Signal …, 2019 - Elsevier
Performing condition monitoring on critical machines such as gearboxes is essential to
ensure that the machines operate reliably. However, many gearboxes are exposed to …

Principal Component Analysis of the start-up transient and Hidden Markov Modeling for broken rotor bar fault diagnosis in asynchronous machines

G Georgoulas, MO Mustafa, IP Tsoumas… - Expert Systems with …, 2013 - Elsevier
This article presents a novel computational method for the diagnosis of broken rotor bars in
three phase asynchronous machines. The proposed method is based on Principal …

Fault classification of rolling bearing based on reconstructed phase space and Gaussian mixture model

GF Wang, YB Li, ZG Luo - Journal of Sound and Vibration, 2009 - Elsevier
Rolling bearings are common and vital elements in rotating machinery and vibration signal
is a kind of effective mean to characterize the status of rolling bearing fault and its severity. In …

A novelty detection diagnostic methodology for gearboxes operating under fluctuating operating conditions using probabilistic techniques

S Schmidt, PS Heyns, JP De Villiers - Mechanical systems and signal …, 2018 - Elsevier
In this paper, a fault diagnostic methodology is developed which is able to detect, locate and
trend gear faults under fluctuating operating conditions when only vibration data from a …

Sensor fusion for fault detection and classification in distributed physical processes

S Sarkar, S Sarkar, N Virani, A Ray… - Frontiers in Robotics and …, 2014 - frontiersin.org
This paper proposes a feature extraction and fusion methodology to perform fault detection
and classification in distributed physical processes generating heterogeneous data. The …

A probabilistic description scheme for rotating machinery health evaluation

Q Miao, D Wang, M Pecht - Journal of mechanical science and technology, 2010 - Springer
Condition-based maintenance has become more popular in recent years because of its
advantages in terms of minimizing downtime, extending lifetime, and reducing cost. This …