Results 31 to 40 of about 31,094 (285)

Research on the Sparse Representation for Gearbox Compound Fault Features Using Wavelet Bases

Shock and Vibration, 2015
The research on gearbox fault diagnosis has been gaining increasing attention in recent years, especially on single fault diagnosis. In engineering practices, there is always more than one fault in the gearbox, which is demonstrated as compound fault ...
Chunyan Luo, Changqing Shen, Wei Fan, Gaigai Cai, Weiguo Huang, Zhongkui Zhu   +5 more
doaj   +1 more source

A framework for effective management of condition based maintenance programs in the context of industrial development of E-Maintenance strategies [PDF]

, 2016
CBM (Condition Based Maintenance) solutions are increasingly present in industrial systems due to two main circumstances: rapid evolution, without precedents, in the capture and analysis of data and significant cost reduction of supporting ...
Crespo Márquez, Adolfo, Guillén López, Antonio Jesús, Gómez Fernández, Juan Francisco, Sanz, María Dolores   +3 more
core   +1 more source

Rapid gravity filtration operational performance assessment and diagnosis for preventative maintenance from on-line data [PDF]

, 2016
Rapid gravity filters, the final particulate barrier in many water treatment systems, are typically monitored using on-line turbidity, flow and head loss instrumentation.
Jarvis, Peter, Jefferson, Bruce, Upton, Andrew   +2 more
core   +1 more source

Compound Faults Feature Extraction for Rolling Bearings Based on Parallel Dual-Q-Factors and the Improved Maximum Correlated Kurtosis Deconvolution

Applied Sciences, 2019
Vibration analysis is one of the main effective ways for rolling bearing fault diagnosis, and a challenge is how to accurately separate the inner and outer race fault features from noisy compound faults signals.
Lingli Cui, Jianxi Du, Na Yang, Yonggang Xu, Liuyang Song   +4 more
doaj   +1 more source

Sparsity-Oriented Nonconvex Nonseparable Regularization for Rolling Bearing Compound Fault under Noisy Environment

Shock and Vibration, 2020
Rolling bearing is widely used in rotating machinery and, at the same time, it is easy to be damaged due to harsh operating environments and conditions. As a result, rolling bearing is critical to the safe operation of the machinery devices.
Xiaocheng Li, Jingcheng Wang, Hongyuan Wang   +2 more
doaj   +1 more source

The Single-channel blind source separation based on VMD and Tukey M estimation for rolling bearing composite fault diagnosis

Measurement + Control, 2023
Rolling bearing is one of the core components in rotating machinery, and its running status directly affects the operation of the whole equipment. Faults of rolling bearings in the actual working process are often multiple faults. To effectively separate
Yaping Wang, Qisong Zhang, Ruofan Cao, Sheng Zhang, Shisong Li, Di Xu   +5 more
doaj   +1 more source

A Compound Fault Labeling and Diagnosis Method Based on Flight Data and BIT Record of UAV

Applied Sciences, 2021
In the process of Unmanned Aerial Vehicle (UAV) flight testing, plenty of compound faults exist, which could be composed of concurrent single faults or over-limit states alarmed by Built-In-Test (BIT) equipment.
Ke Zheng, Guozhu Jia, Linchao Yang, Jiaqing Wang   +3 more
doaj   +1 more source

Getting the Haves to Come out Behind: Fixing the Distributive Injustices of American Health Care [PDF]

, 2006
Hyman criticizes an article by Havighurst and Richman regarding the distributive injustices of US health care.
Hyman, David A.
core   +4 more sources

Intelligent Diagnosis of Rolling Bearings Fault Based on Multisignal Fusion and MTF-ResNet

Sensors, 2023
Existing diagnosis methods for bearing faults often neglect the temporal correlation of signals, resulting in easy loss of crucial information. Moreover, these methods struggle to adapt to complex working conditions for bearing fault feature extraction ...
Kecheng He, Yanwei Xu, Yun Wang, Junhua Wang, Tancheng Xie   +4 more
doaj   +1 more source

Dystrophic Epidermolysis Bullosa: COL7A1 Mutation Landscape in a Multi-Ethnic Cohort of 152 Extended Families with High Degree of Customary Consanguineous Marriages [PDF]

, 2017
Dystrophic epidermolysis bullosa is a heritable skin disease manifesting with sub-lamina densa blistering, erosions, and chronic ulcers. COL7A1, encoding type VII collagen, has been identified as the candidate gene for dystrophic epidermolysis bullosa. In
Abiri, Maryam, Barzegar, Mohammadreza, Ertel, Adam, Fortina, Paolo, Kajbafzadeh, Abdol Mohammad, Mozafari, Nikoo, Saeidian, Amir Hossein, Sotoudeh, Soheila, Uitto, Jouni, Vahidnezhad, Hassan, Youssefian, Leila, Zeinali, Sirous   +11 more
core   +1 more source