Advances in Condition Monitoring of Machinery in Non-Stationary Operations: Proceedings of the Fourth International Conference on Condition Monitoring of Machinery in Non-Stationary Operations, CMMNO'2014, Lyon, France December 15-17

Front Matter....Pages i-xi
Front Matter....Pages 1-1
Method of Analysing Non-stationary Electrical Signals....Pages 3-14
Electrical Modeling for Faults Detection Based on Motor Current Signal Analysis and Angular Approach....Pages 15-25
Electrical Induction Motor Higher Harmonics Analysis Based on Instantaneous Angular Speed Measurement....Pages 27-41
Evaluation and Improvement of Accuracy in the Instantaneous Angular Speed (IAS) and Torsional Vibration Measurement Using Zebra Tapes....Pages 43-56
Vibration Analysis of Copper Ore Crushers Used in Mineral Processing Plant—Problem of Bearings Damage Detection in Presence of Heavy Impulsive Noise....Pages 57-70
Analysis and Signal Processing of a Gearbox Vibration Signal with a Defective Rolling Element Bearing....Pages 71-85
Monitoring Based on Time-Frequency Tracking of Estimated Harmonic Series and Modulation Sidebands....Pages 87-98
Blind Extraction of Instantaneous Frequency for Order Tracking in Rotating Machines Under Non-stationary Operating Conditions....Pages 99-110
New Criteria for Adaptive Blind Deconvolution of Vibration Signals from Planetary Gearbox....Pages 111-125
Automatic and Full-Band Demodulation for Fault Detection—Validation on a Wind Turbine Test Rig....Pages 127-138
Robust Information Indices for Diagnosing Mechanical Drives Under Non-stationary Operating Conditions....Pages 139-149
Empirical Mode Decomposition Combined with Empirical Wavelets for Extracting Bearing Frequencies in a Noisy Environment and Early Detection of Defects....Pages 151-165
Knife Diagnostics with Empirical Mode Decomposition....Pages 167-175
Detection of Gear Faults in Variable Rotating Speed Using EEMD Decomposition and Instantaneous Frequency....Pages 177-195
Multidimensional Signal Analysis for Technical Condition, Operation and Performance Understanding of Heavy Duty Mining Machines....Pages 197-210
Front Matter....Pages 211-211
Analyzing State Dynamics of Wind Turbines Through SCADA Data Mining....Pages 213-223
Using SCADA Data for Fault Detection in Wind Turbines: Local Internal Model Versus Distance to a Wind Farm Reference....Pages 225-236
On Optimal Threshold Selection for Condition Monitoring....Pages 237-249
Diagnostic Features Modeling for Decision Boundaries Calculation for Maintenance of Gearboxes Used in Belt Conveyor System....Pages 251-263
Vertical Axis Wind Turbine States Classification by an ART-2 Neural Network with a Stereographic Projection as a Signal Normalization....Pages 265-275
Front Matter....Pages 211-211
Electric Motor Bearing Diagnosis Based on Vibration Signal Analysis and Artificial Neural Networks Optimized by the Genetic Algorithm....Pages 277-289
Gear Fault Diagnosis Based on Angular Measurements and Support Vector Machines in Normal and Nonstationary Conditions....Pages 291-308
Diversity Measures in Classifier Ensembles Used for Rotating Machinery Fault Diagnosis....Pages 309-319
Diagnostics of Slow Rotating Bearings Using a Novel DAI Based on Acoustic Emission....Pages 321-333
Development of Expert System Shell for Coal Mining Industry....Pages 335-348
Front Matter....Pages 349-349
Analysis of a Planetary Gearbox Under Non-stationary Operating Conditions: Numerical and Experimental Results....Pages 351-362
Model-Based Estimation of Elevator Rail Friction Forces....Pages 363-374
Modelling and Simulation of Gear Systems Dynamics for Supporting Condition Monitoring Using Mathematica....Pages 375-384
Wind Turbine Generator Bearing Fault Diagnosis Using Amplitude and Phase Demodulation Techniques for Small Speed Variations....Pages 385-397
Diagnostics of a Defective Bearing Within a Planetary Gearbox with Vibration and Acoustic Emission....Pages 399-412
Methodology for the Estimation of the Fatigue Life of Rolling Element Bearings in Non-stationary Conditions....Pages 413-423
Adaptive Vibration Diagnostic Technique for Bearings Condition Monitoring of Complicated Machines....Pages 425-438
Study on Rotating Machine Vibration Behavior Using Measured Vibro-Acoustic Signals....Pages 439-446
A Probabilistic Approach to the Crack Identification in a Beam-like Structure Using Monitored Mode Shapes and Their Curvature Data with Uncertainty....Pages 447-461
Condition Monitoring of Aircraft Engine Rotor System with Stiffness Anisotropy of Rotor Supports. Comparative Analysis of Accelerometers Mounting Schemes....Pages 463-471
Operational Safety of Steel-Cord Conveyor Belts Under Non-stationary Loadings....Pages 473-481
Condition Monitoring of Conveyor Belts as a Tool for Proper Selection of Their Replacement Time....Pages 483-494