Results 51 to 60 of about 73,405 (211)

Evolvable Transformer Fault Diagnosis Model Combining Feature Analysis and Machine Learning [PDF]

open access: yesJisuanji gongcheng
Transformers, which possess complex mechanisms and exert an extensive influence, are important equipment in large power systems. The state detection and fault diagnosis of transformers are hence a key challenge in traditional power systems; they also ...
Yedong MAO, Chunhui ZHANG, Jie CHEN
doaj   +1 more source

Signal-Based Intelligent Hydraulic Fault Diagnosis Methods: Review and Prospects

open access: yesChinese Journal of Mechanical Engineering, 2019
Hydraulic systems have the characteristics of strong fault concealment, powerful nonlinear time-varying signals, and a complex vibration transmission mechanism; hence, diagnosis of these systems is a challenge.
Juying Dai   +3 more
doaj   +1 more source

Weighted K-NN Classification Method of Bearings Fault Diagnosis With Multi-Dimensional Sensitive Features

open access: yesIEEE Access, 2021
Research on the intelligent fault diagnosis method of rolling bearing based on laboratory data has made some achievements. However, due to the change of working conditions and the lack of historical data of the same equipment in the actual diagnosis ...
Qingfeng Wang   +4 more
doaj   +1 more source

Study on the fault Petri nets of the unmanned roadheader based on the transition memory

open access: yes矿业科学学报, 2017
Unmanned roadheader is the realization of the concept of unmanned mining technology, coal mine intelligent mining requires roadheader with intelligent diagnosis technology.
Yang Jianjian   +5 more
doaj  

Design methodology for smart actuator services for machine tool and machining control and monitoring [PDF]

open access: yes, 2011
This paper presents a methodology to design the services of smart actuators for machine tools. The smart actuators aim at replacing the traditional drives (spindles and feed-drives) and enable to add data processing abilities to implement monitoring and ...
Archimède, Bernard   +2 more
core   +3 more sources

A Deep Multi-Label Learning Framework for the Intelligent Fault Diagnosis of Machines

open access: yesIEEE Access, 2020
Deep learning has been applied in intelligent fault diagnosis of machines since it trains deep neural networks to simultaneously learn features and recognize faults.
Jianjun Shen   +4 more
doaj   +1 more source

Self-tuning routine alarm analysis of vibration signals in steam turbine generators [PDF]

open access: yes, 2012
This paper presents a self-tuning framework for knowledge-based diagnosis of routine alarms in steam turbine generators. The techniques provide a novel basis for initialising and updating time series feature extraction parameters used in the automated ...
Campbell, Graeme   +3 more
core   +1 more source

Fault detection and diagnosis for process control rig using artificial intelligent [PDF]

open access: yes, 2010
This paper focuses on the application of artificial intelligent techniques in fault detection and diagnosis. The objective of this paper is to detect and diagnose the faults to a process control rig.
Abdul Rahman, Ribhan Zafira   +2 more
core  

Data-driven Soft Sensors in the Process Industry [PDF]

open access: yes, 2009
In the last two decades Soft Sensors established themselves as a valuable alternative to the traditional means for the acquisition of critical process variables, process monitoring and other tasks which are related to process control.
Abdi   +149 more
core   +1 more source

Imbalanced data fault diagnosis method for nuclear power plants based on convolutional variational autoencoding Wasserstein generative adversarial network and random forest

open access: yesNuclear Engineering and Technology
Data-driven fault diagnosis techniques are significant for the stable operation of nuclear power plants (NPPs). However, in practical applications, the fault diagnosis of NPPs usually faces imbalance data problems with small fault samples and much ...
Jun Guo   +4 more
doaj   +1 more source

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