[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…
Resonance and Critical Speeds in Rotating Machinery: Basic Theory, how to measure and develop control strategies
[vc_row][vc_column][vc_column_text] Abstract Topics: Fundamentals of vibration, Spring-mass system modeling, concept of resonance, measurement techniques, control strategies. Experiments will be performed on machinery fault simulators.[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_column_text] Resonance and Critical Speeds in Rotating…
Basics of Enveloping and application for bearing defect analysis
[vc_row][vc_column][vc_column_text] Abstract Topics: Basics of envelop analysis, types bearing defects, fault frequencies, importance of spectra resolution, squared envelop analysis and its advantage, perform experiments of intentionally faulted bearing, data analysis.[/vc_column_text][/vc_column][/vc_row][vc_row][vc_column][vc_column_text]…
Learn how to perform hammer (or bump) test to determine Natural Frequencies
[vc_row][vc_column][vc_column_text] Abstract Topics: Basics of modal analysis, concepts of double hammer, averaging, resolution, how to perform a test using instrumented hammer, learn to create an instrumented hammer and save money,…
Signature Analysis of Cavitation in Centrifugal Pumps
[vc_row][vc_column][vc_column_text] Abstract Topics: Basic theory of cavitation, how it occurs, damaging effects, signature analysis using vibration, motor current, noise, pressure, and force data. You will see videos on cavitation development.…
Learn Practical Signal Processing for Optimizing Benefits of Vibration Analysis
[vc_row][vc_column][vc_column_text] Abstract Topics: Step-by-step explanation of data acquisition and signal processing issues and learn how aliasing and leakage occurs, dynamic range, spectra resolution, averaging, windowing to minimize leakage and effects…
How to perform single and two plane balancing of rotors
[vc_row][vc_column][vc_column_text] Abstract Topics: Basics of balancing theory, types of balancing, four run method, influence coefficient method, complications in balancing, trim balancing, balancing tolerance. Experiments will be performed on machinery fault…
VibroMet 500V: Single Point Laser Doppler Vibrometer
[vc_row][vc_column][vc_column_text] Abstract This paper discusses a Single Beam LDV product offered by MetroLaser; specifically it discusses the VibroMetTM 500V single point laser Doppler vibrometer (LDV). A discussion of the single point…
A constitutive Equation for Thermoviscoelastic Behavior of Polymeric Materials
[vc_row][vc_column][vc_column_text] Abstract With increasing uses of polymeric materials for providing viscoelastic damping in many mechanical systems and structures, it has become necessary to develop appropriate constitutive equations. Conventional constitutive theories…