Results 31 to 40 of about 98,534 (301)
A Survey on Fault Diagnosis of Rolling Bearings
Algorithms, 2022 The failure of a rolling bearing may cause the shutdown of mechanical equipment and even induce catastrophic accidents, resulting in tremendous economic losses and a severely negative impact on society.
Bo Peng +4 more
doaj +1 more source
Model-based fault detection and isolation for wind turbine [PDF]
, 2012 In this paper, a quantitative model based method is proposed for early fault detection and diagnosis of wind turbines. The method is based on designing an observer using a model of the system. The observer innovation signal is monitored to detect faults.
Hwas, Abdulhamed Moh Suliman +1 more
core +1 more source
Multiple-fault detection methodology based on vibration and current analysis applied to bearings in induction motors and gearboxes on the kinematic chain [PDF]
, 2016 © 2016 Juan Jose Saucedo-Dorantes et al. Gearboxes and induction motors are important components in industrial applications and their monitoring condition is critical in the industrial sector so as to reduce costs and maintenance downtimes.
Delgado Prieto, Miquel +4 more
core +2 more sources
Actuators, 2022 The electro-hydrostatic actuator (EHA) is the key component of most electric aircraft, and research on its fault diagnosis technology is of great significance to improve the safety and reliability of aircraft flight.
Hai-Tao Qi +3 more
doaj +1 more source
Cleaner Engineering and Technology, 2021 Although the current research on fault detection and diagnosis (FDD) has made significant developments, there exists some challenges such as earlier fault detection with lower false alarms, accurate fault diagnosis without prior fault information, and ...
Md. Tanjin Amin
doaj +1 more source
Time-efficient fault detection and diagnosis system for analog circuits [PDF]
, 2018 Time-efficient fault analysis and diagnosis of analog circuits are the most important prerequisites to achieve online health monitoring of electronic equipments, which are involving continuing challenges of ultra-large-scale integration, component ...
He, Yigang, Luo, Qiwu, Sun, Yichuang
core +3 more sources
Complexity, 2018 A superheterodyne receiver is a type of device universally used in a variety of electronics and information systems. Fault detection and diagnosis for superheterodyne receivers are therefore of critical importance, especially in noise environments.
Dengwei Song +3 more
doaj +1 more source
Study by modeling and simulation of open-switch fault diagnosis for five-level converters
Transactions on Environment and Electrical Engineering, 2017 In this paper, an open-switch fault diagnosis method for five-level H-Bridge Neutral Point Piloted (HB-NPP) or T-type converters is proposed. While fault tolerant operation is based on three steps (fault detection, fault localization and system ...
Florent Becker +3 more
doaj +1 more source
A Comprehensive Signal-Based Fault Diagnosis Method for Lithium-Ion Batteries in Electric Vehicles
Energies, 2021 To enhance the operational reliability and safety of electric vehicles (EVs), big data platforms for EV supervision are rapidly developing, which makes a large quantity of battery data available for fault diagnosis.
Xinwei Cong +5 more
doaj +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Introduction Pulmonary dysfunction and sleep abnormalities are common in children with sickle cell disease (SCD) and are associated with worse clinical outcomes. Whether spirometry abnormalities are associated with polysomnography (PSG) findings remains unclear.
Ammar Saadoon Alishlash +4 more
wiley +1 more source