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Compound mechanical fault diagnosis based on CMDE [PDF]
Advances in Mechanical Engineering, 2022 The fault diagnosis technique is of important for the safety operation of the rotating machinery. In the fault diagnosis framework, the entropy-based method is a promising tool for the feature extraction and signal processing.
Guangwei Yu, Xianzhi Wang, Chunlin Da
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An Improved Convolutional Capsule Network for Compound Fault Diagnosis of RV Reducers
Sensors, 2022 In fault diagnosis research, compound faults are often regarded as an isolated fault mode, while the association between compound faults and single faults is ignored, resulting in the inability to make accurate and effective diagnoses of compound faults ...
Qitong Xu +3 more
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Compound Fault Characteristic Analysis for Fault Diagnosis of a Planetary Gear Train
SensorsThe carrier eccentricity error and gear compound faults are most likely to occur simultaneously in an actual planetary gear train (PGT). Various faults and errors are coupled with each other to generate a complex dynamic response, which makes the ...
Yulin Ren +5 more
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Coordination Control Strategy for Compound Fault of MMC-HVDC [PDF]
MATEC Web of Conferences, 2016 Single-line to ground fault of DC side and sub-module fault are typical faults of MMC-HVDC. When each of the above faults occurs, the system will give a signal for circuit-breaker releasing, this will result in interruption of power delivery, the ...
Zhang Ming Guang +3 more
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Composite Fault Prediction of Bearing Based on Cascaded Long Short Term Memory Neural Network
Kongzhi Yu Xinxi Jishu, 2022 At present, resonance demodulation and data envelopment analysis, etc are usually used for health evaluation and remaining life prediction of bearings, but there are some problems such as difficulty in extracting health degree, single fault prediction ...
JIANG Xuyao +5 more
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Hybrid Adaptive Fault-Tolerant Control for Compound Faults of Hypersonic Vehicle
IEEE Access, 2021 This study investigates the hybrid fault-tolerant control (FTC) for hypersonic flight vehicles (HFVs) under the rudder structure fault (RSF) and rudder angle deviation fault (RADF). The nonlinear equations of the model are linearised by fuzzy logic, the external nonlinear disturbance is approximated by radial basis functions, which transforms the ...
Kai-Yu Hu, Wenhao Li, Zian Cheng
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Heliyon, 2023 Compound fault diagnosis in essence is a fundamental but difficult problem to be solved. The separation and extraction of compound fault features remain great challenges in industrial applications due to the lack of labeled fault data.
Liuxing Chu +5 more
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Compound Fault Feature Extraction of Wind Power Gearbox Based on DRS and Improved Autogram
Zhongguo dianli, 2023 Compound fault feature extraction is the key to analyzing the root cause of wind power gearbox faults. A compound fault feature extraction method based on DRS and improved Autogram is proposed.
Haifei MA +4 more
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Applied Sciences, 2023 A rolling bearing is a complex system consisting of the inner race, outer race, rolling element, etc. The interaction of components may lead to composite faults.
Kuo Gao +4 more
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Sensors, 2023 Gearboxes are one of the most widely used speed and power transfer elements in rotating machinery. Highly accurate compound fault diagnosis of gearboxes is of great significance for the safe and reliable operation of rotating machinery systems.
Qinghong Xu +4 more
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