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Keywords: fault diagnosis
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Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2012, 134(4): 042501.
Published Online: January 25, 2012
... 25 01 2012 25 01 2012 accelerometers acoustic emission condition monitoring fault diagnosis feature extraction gears microphones principal component analysis sensor fusion tachometers time-frequency analysis vibrations wind turbines wind turbine gearbox condition...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2012, 134(3): 032901.
Published Online: December 29, 2011
... on this model, faults in multiple sensors can be isolated and identified simultaneously. Performance of the KPCA-based method is demonstrated with real NPP measurements. 23 07 2010 26 07 2010 29 12 2011 29 12 2011 fault diagnosis instruments nuclear power stations power generation...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2012, 134(1): 011602.
Published Online: November 4, 2011
... 04 11 2011 actuators compressors fault diagnosis gas turbines jet engines Kalman filters The increasing complexity of aerospace vehicles and their systems such as engines, and the cost reduction measures that have affected aircraft and engine manufacturers and maintenance...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2011, 133(12): 121602.
Published Online: September 1, 2011
... capability of the sparse estimator. In particular, the constraints help resolve a confusion issue between high pressure compressor and variable stator vanes faults. 08 04 2011 09 04 2011 01 09 2011 01 09 2011 compressors condition monitoring electrical accidents fault diagnosis...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2011, 133(11): 111701.
Published Online: May 13, 2011
... is intended to investigate the influence of measurement parameter selection toward the effectiveness of GPA algorithm. An analytical methodology for measurement selection, combined with measurement subset concept, is developed to properly select measurements for multiple component fault diagnosis...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. October 2011, 133(10): 104502.
Published Online: May 3, 2011
... subjecting them to fault detection and isolation algorithms. 23 08 2010 15 12 2010 03 05 2011 03 05 2011 fault diagnosis gas turbines power filters recursive filters Gas turbines are widely used in aero-engines, naval vessels, and power generation. Due to their high...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2010, 132(12): 121601.
Published Online: August 24, 2010
... the engine model parameters is independently verified by successful estimation of parameters by nonlinear least-squares estimation. 22 12 2009 26 03 2010 24 08 2010 24 08 2010 fault diagnosis jet engines least squares approximations parameter estimation wavelet transforms...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2010, 132(8): 082502.
Published Online: May 28, 2010
... of high-speed turbomachinery. 31 03 2009 05 10 2009 28 05 2010 28 05 2010 ball bearings fault diagnosis finite element analysis nonlinear dynamical systems rotors turbomachinery vibrations ball bearing rotor experiment nonlinear vibration Ball bearings...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. June 2010, 132(6): 064501.
Published Online: March 16, 2010
... solution for elimination of this fault and it is proved to be effective through practical test. 08 02 2009 10 07 2009 16 03 2010 16 03 2010 fault diagnosis machine bearings steam turbines partial arc admission partial arc steam forces fault diagnosis diagonal...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2010, 132(4): 041604.
Published Online: January 27, 2010
... to small sample sizes. 25 03 2009 06 04 2009 27 01 2010 27 01 2010 aerospace engines aircraft condition monitoring costing fault diagnosis gas turbines turbines diagnostics metrics cost curves confusion matrices In the past 10 years, interest has grown...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2010, 132(4): 041602.
Published Online: January 15, 2010
...Young K. Lee; Dimitri N. Mavris; Vitali V. Volovoi; Ming Yuan; Ted Fisher This paper presents an offline fault diagnosis method for industrial gas turbines in a steady-state. Fault diagnosis plays an important role in the efforts for gas turbine owners to shift from preventive maintenance...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2010, 132(3): 032401.
Published Online: November 24, 2009
... and turbine behavior in deteriorated conditions close to the design corrected rotational speed can be considered acceptable. 04 07 2008 10 07 2008 24 11 2009 24 11 2009 fault diagnosis gas turbines In gas turbines, one of the major contributions to performance decrease...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2009, 131(5): 051601.
Published Online: June 9, 2009
.... It is demonstrated that the method has an improved effectiveness when compared with previous GPA based methods. 17 09 2008 30 09 2008 09 06 2009 engines fault diagnosis gas turbines probability Engine health monitoring is of great importance for gas turbines today, since...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2008, 130(4): 041602.
Published Online: April 29, 2008
... data visualisation fault diagnosis gas turbines jet engines least mean squares methods neural nets principal component analysis probability self-organising feature maps support vector machines Safety-critical systems, such as gas turbine engines, demand real-time fault detection...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2008, 130(4): 041703.
Published Online: April 28, 2008
... of performance and its recovery by maintenance. The performance trends obtained are useful for further fault diagnosis. 21 03 2007 16 01 2008 28 04 2008 failure analysis fault diagnosis gas turbines industries performance degradation performance analysis diagnosis industrial...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2007, 129(4): 986–993.
Published Online: May 1, 2007
.... 26 04 2007 01 05 2007 aerospace engines fault diagnosis maintenance engineering gas turbines remaining life assessment in-flight fault detection trend monitoring on-board engine model Kalman filter Early detection of faults is an important aspect in the health...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2007, 129(4): 977–985.
Published Online: January 24, 2007
... 24 01 2007 gas turbines fault diagnosis thermodynamics stochastic processes neural nets mechanical engineering computing Gas turbine performance deterioration has a significant impact on the engine lifetime and the owner’s revenue. In general, this results in the engine...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2007, 129(4): 962–969.
Published Online: January 4, 2007
... results are presented showing accommodation applied to a high-pressure compressor fault on a commercial, high-bypass, twin-spool, turbofan engine throughout the flight envelope. 09 09 2005 04 01 2007 fault diagnosis aerospace safety evolutionary computation jet engines aerospace...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2007, 129(3): 746–754.
Published Online: November 17, 2006
... aerospace engines fault diagnosis sensors piecewise linear techniques in-flight fault detection on-board engine model Kalman filter flight safety In-flight diagnostics of aircraft gas turbine engines is a critical task for the improvement of aviation safety. The capability to detect...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2007, 129(4): 970–976.
Published Online: July 28, 2006
..., to produce sets of candidate solutions with a lesser number of parameters. These sets can then be processed to derive an accurate component fault diagnosis. It could thus be classified as a new type of "concentrator" approach, which is shown to be more effective than previously existing schemes. The method's...