[vc_row][vc_column][vc_column_text] Abstract In the world of acceleration, a common topic is that of modal analysis. Within this topic, applications can range from the study of bridges as vehicles roll across…
Induction Motor Fault Signature Analysis using Vibration and Motor Current Signature Analysis ( MCSA )
[vc_row][vc_column][vc_column_text] Abstract Diagnostics of an induction motors is serious issue for improving plant asset reliability. Electro-mechanical malfunctions can lead to power loss, decrease in efficiency, current spikes, and other complications…
Adaptive Wavelet Decomposition
[vc_row][vc_column][vc_column_text] Abstract Why Wavelet, Adaptive Wavelet Decomposition, Basic Functions, Segmentation of Fourier Spectrum, AWD: Definitions, AWT: Algorithmic Details, Boundary Detection, Generate Filter-banks & Recover Each Component, Case studies: Case-1, Case-2,…
The Effect of loading for Induction Motor Airgap Eccentricity Fault Signature using Vibration and Motor Current Signature Analysis (MCSA)
[vc_row][vc_column][vc_column_text] Abstract Induction Motor Diagnosis Motivation, Basics, Basic Principles, Diagnostics, MCSA, Experiment parameters and specifications, Airgap Eccentricity faults, Conclusions[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] The Effect of loading for Induction Motor Airgap Eccentricity Fault Signature…
Comprehensive Study of Shaft/Coupling Misalignment Signature using Vibration Analysis
[vc_row][vc_column][vc_column_text] Abstract Topics: Motivation/Issues with Misalignment, Measured Vibration Signal/Model, Coupling Misalignment modeling, Investigated Parameters, Measurement setup, Results[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Comprehensive Study of Shaft/Coupling Misalignment Signature using Vibration Analysis Topics: Motivation/Issues with Misalignment,…
Misalignment In Rotating Machinery
[vc_row][vc_column][vc_column_text] Abstract Topics: Types of Misalignment, Issues to be addressed, Knowledge of Mechanics performing alignment, soft foot, decide movable machine, thermal growth, machine alignment history, rotational constraints, locked shafts, Shaft…
Enhancing Bearing Fault Diagnosis Using Cepstrum Pre-Whitening Technique
[vc_row][vc_column][vc_column_text] Abstract Difficulties in bearing fault detection and diagnosis, envelope analysis technique, new methods based on Cepstrum, types and properties of Cepstrum, Complex Cepstrum, Application of Cepstrum to Machine Diagnostics,…
The Effect of Unbalance and Misalignment on Detection of Rotor/Shaft Cracks using Vibration Analysis
[vc_row][vc_column][vc_column_text] Abstract Shaft and Rotor Crack Diagnosis, How is Crack Signature different from Unbalance and Misalignment, No crack unbalanced, no crack misalignment and Conclusions[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Effect of Unbalance and Misalignment on…
The Interference of Variable Frequency Drives on the Vibration Signature Analysis of Machine Defects
[vc_row][vc_column][vc_column_text] Abstract Machine Controlled by Variable Frequency Drive, Induction Motor rotational speed, Three main systems of VFD, Pulse Width Modulation (PWM), Variables used in experiments, Carrier frequency and Harmonics, Data…
Advanced Techniques for Vibration Analysis of Bearings & Gears
[vc_row][vc_column][vc_column_text] Abstract Topics: Signal Structure, Fourier Transform, Pit Fall of FFT, Techniques which are currently used and in research stage, Bearing Diagnosis issues, Spectral Kurtosis (SK), New Cepstrum methods, Experimental…