Results 11 to 20 of about 61,255 (268)
Shock and Vibration, 2021 To further study the fault mechanism and fault features of rolling bearings, a two-DOF rolling bearing fault dynamic model with inner ring local defects considering the bearing radial clearance and time-varying displacement excitation is established ...
Zhang Fengling +4 more
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Energies, 2018 Rolling element bearings are of great importance in planetary gearboxes. Monitoring their operation state is the key to keep the whole machine running normally.
Hongkun Li +3 more
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Fault localization models in debugging [PDF]
2017 International Conference on Infocom Technologies and Unmanned Systems (Trends and Future Directions) (ICTUS), 2017 58 ...
Safeeullah Soomro +3 more
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Digital Twin Driven Fault Diagnosis Method for Subsea Control System
IEEE Access, 2023 Digital twin driven fault diagnosis shows good performance in fault diagnosis of subsea control systems. However, the relation between digital twin and fault diagnosis is not clear. This cannot bring substantial improvement to fault diagnosis.
Weifeng Ge +5 more
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电力工程技术, 2023 To solve the problem that the traditional single-ended phase selection elements are no longer suitable for AC long lines at the receiving end of the AC/DC hybrid system, a time-domain double-ended phase selection method based on model recognition is ...
MA Yifei, FAN Yanfang
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Multi-physics based Simulations of an Oleo-pneumatic Shock Absorber System for PHM
International Journal of Prognostics and Health Management, 2017 The paper presents multi-physics (Mechanical, Thermal, Hydraulic, and Pneumatic) based modelling and simulation of an Oleo-pneumatic shock absorber with fault capabilities. The fault simulated in this model is leakage due to eccentricity.
Krishna Lok S., Khazi M. M. Siddiqui
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Compressor fault diagnosis system based on PCA-PSO-LSSVM algorithm
Science Progress, 2021 On the basis of the principal components analysis-particle swarm optimization-least squares support vector machine (PCA-PSO-LSSVM) algorithm, a fault diagnosis system is proposed for the compressor system.
Kun Zhang +7 more
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Representing Small Commercial Building Faults in EnergyPlus, Part II: Model Validation
Buildings, 2019 Automated fault detection and diagnosis (AFDD) tools based on machine-learning algorithms hold promise for lowering cost barriers for AFDD in small commercial buildings; however, access to high-quality training data for such algorithms is often difficult
Janghyun Kim +5 more
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Study of Induction Motor Inter-Turn Fault Part II: Online Model-Based Fault Diagnosis Method
Energies, 2022 This paper (Part II) is a follow-up paper to our previous work on developing induction motor inter-turn fault (ITF) models (Part I). In this paper, an online ITF diagnosis method of induction motors is proposed by utilizing the negative sequence current ...
Seong-Hwan Im, Bon-Gwan Gu
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Faultanalysis of Short Circuit Between Pieces of Large Motor Stator Cores
Journal of Harbin University of Science and Technology, 2020 In order to analyze the short circuit fault between the stator core pieces of large motors, the establishment of the fault model was studied. According to the homogenization theory, the shortcircuit fault model between iron cores is studied.
MENG Dawei, WANG Xiaohui
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