Process fault prognosis using a fuzzy-adaptive unscented Kalman predictor [PDF]
, 2011 By monitoring the future process status via information prediction, process fault prognosis is able to give an early alarm and therefore prevent faults, when the faults are still in their early stages.
Chen, Sheng, Tian, Xuemin, Cao, Yuping
core +2 more sources
Fault severity diagnosis of rolling element bearings based on kurtogram and envelope analysis [PDF]
, 2014 Faults in rolling element bearing are among the main causes of breakdown in rotating machines. Vibration is an effective technique for machine condition monitoring.
Gu, Fengshou +6 more
core +7 more sources
Ground reaction force sensor fault detection and recovery method based on virtual force sensor for walking biped robots [PDF]
, 2013 This paper presents a novel method for ground force sensor faults detection and faulty signal reconstruction using Virtual force Sensor (VFS) for slow walking bipeds. The design structure of the VFS consists of two steps, the total ground reaction force (
Hashlamon, Iyad +3 more
core +1 more source
Fault area estimation using traveling wave for wide area protection
Journal of Modern Power Systems and Clean Energy, 2016 As the increasing number of Phasor Measurement Units (PMUs) are deployed, wide area protection in power systems has been gaining interest. In particular, fault detection, fault classification and fault area estimation are essential to reduce the damage ...
Jae-Won Lee +4 more
doaj +1 more source
Direct identification of fault estimation filter for sensor faults
CoRR, 2015 Extended version of the paper accepted by IFAC ...
Yiming Wan +2 more
openaire +3 more sources
Iterative Learning Scheme Based Sensor Fault Estimation for Nonlinear Repetitive System
IEEE Access, 2019 Iterative learning scheme is proposed with the aim to achieve perfect tracking of a prescribed reference trajectory for systems that operate repetitively.
Li Feng +3 more
doaj +1 more source
Rough set based gas turbine fault isolation study [PDF]
, 2010 Gas path fault isolation is one of the key techniques in Engine Health Management systems. In order to accomplish gas path fault isolation successfully for a gas turbine engine, both an accurate off-design performance model and an effective fault ...
Wang, Lihui.
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An estimation method for sensor faults based on observer in interconnected systems.
PLoS ONEIn this research, a class of nonlinear interconnected systems with sensor faults were investigated and an estimation method was proposed for system sensor faults based on the theory of system state reconstruction.
Yanxiu Sun, Hong Li
doaj +1 more source
Complexity, 2020 In this paper, an adaptive fault tolerant control strategy is proposed to deal with the three pitch actuator faults in the large-scale wind turbines. Firstly, a simultaneous state and fault estimation was performed through a suitable LMI (linear matrix ...
Younes Ait El Maati, Lhoussain El Bahir
doaj +1 more source
A Novel Method for the Fault Diagnosis of a Planetary Gearbox based on Residual Sidebands from Modulation Signal Bispectrum Analysis [PDF]
, 2014 This paper presents a novel method for the fault diagnosis of planetary gearboxes based on an accurate estimation of residual sidebands using a modulation signal bispectrum (MSB).
Gu, Fengshou +4 more
core +3 more sources