SpectraQuest has developed unique, real-world training courses in vibration analysis,
signal
processing techniques and motor current signature analysis.
Upcoming
Course:
Advanced Machinery Fault Diagnosis and Signal Processing
A Practical
Course on Advanced Vibration Analysis & Condition Monitoring
taught by world recognized expert
Professor Bob Randall, University of New South Wales, Australia
Assisted by Dr. Suri Ganeriwala, SpectraQuest, Inc
Course Details: 
SpectraQuest offers a practical course on Machine
Condition Monitoring and Diagnostics with an emphasis on signal processing
techniques.
The objective
is to provide tools to prepare you to become an expert in analyzing machinery
faults. Topics include overview of condition monitoring techniques, basic
vibration theory, and advanced signal processing principles like FFT methods,
Hilbert
methods via FFT and related amplitude, phase and frequency demodulation,
cepstrum, order tracking and time synchronous averaging. Rather than giving
pure theory,
it would be illustrated at all stages with diagnostic examples and demonstrations
using SpectraQuest Machinery Fault Simulators. The concept of cyclostationarity
with principal application to bearing diagnostics will be provided. The course
would cover a range of techniques for bearing diagnostics, as well as for
gear diagnostics. It could also cover IC engines by a number of techniques,
including
simple torsional vibration analysis by frequency demodulation of shaft encoder
signals using SpectraQuest bearing wear and gearbox dynamics simulators.
The course will provide a hands-on approach, with theory/lectures
followed by real life examples as well as demonstration of novel techniques
for fault diagnosis. The approach involves a classroom with several workstations
set up for carrying out controlled exercises. Each workstation consists of
Machinery Fault Simulator with different machine fault kits, a multi-channel
data acquisition system, simulation/training/diagnosis/analysis software, fully
wired sensors, and necessary accessories such as tachometer, strobe, etc. All
the PCs are connected to a client-server type network for free exchange of
data and enhanced discussion.
Date: April 5-9, 2010
Venue: Holiday
Inn, 3207 North Boulevard, Richmond, VA - mention 'SpectraQuest' when making
your reservation to obtain the special reduced accommodation rate of only
$70 per night
Who Should Attend? This course covers advanced material which a Category III
or IV Vibration Analyst will be able to understand. If you have any questions,
please e-mail to juli@spectraquest.com or call 804-261-3300
Cost: $1,695.00 if registering prior to 1 March, 2010
$1,895.00 after 1 March, 2010
Download the registration form here or fill the online
registration form.
The cost will cover all
coffee breaks, lunches, and one dinner at a popular local restaurant. Attendees
will receive a free copy of the ‘Signal Processing
Fundamentals and Simulation’ software ($495 value) along with class
notes.
Preliminary Course Agenda
Timings: Day1 - Day4: 8.30am – 5.00pm, Day5: 8.30am - 3:00pm
Day 1 – AM
Overview of condition monitoring and vibration analysis – fault detection
schemes and manifestation - typical diagnostics procedure – transducers
and measurements
Day
1 – PM
Signal processing – Fourier analysis - Hilbert transforms – practical
FFT analysis – demodulation – cyclostationarity and spectral correlation– introduction
to cepstrum analysis – time-frequency analysis, STFT, Wigner-Ville
distribution, wavelets.
Day 2 – AM
Rolling element bearing vibrations – fault diagnostics through envelope
analysis – applications of cyclostationarity, local faults and extended
faults – spectral kurtosis (SK) for determining optimum frequency band
for demodulation– minimum entropy deconvolution (MED) to remove smearing
effect of transmission path – combination for semi-automated process.
Day
2 – PM
Exercises
Day 3 – AM
Gear vibrations – separation of gear and bearing signals by self adaptive
noise cancellation (SANC), discrete/random separation (DRS), linear prediction – order
tracking (angular sampling) – synchronous averaging of individual gear
signals – residual analysis – cepstrum analysis – amplitude
and phase demodulation of gearmesh signal- transmission error (TE) measurement
using shaft encoders.
Day
3 – PM
Exercises
Day 4 – AM
Reciprocating machine vibrations – time (crank angle) vs frequency representations – spectrogram
comparison for detecting change – torsional vibration (angular velocity)
measurement for irregular combustion – determination of angular velocity
by phase demodulation of encoder signal followed by differentiation in the
frequency domain (simultaneously removing irrelevant high and low frequency
noise) – determination of angular velocity by encoder pulse timing with
a high frequency clock – benefits of instantaneous (Wigner-Ville) spectrum
after removal of periodic components – determination of cylinder pressure
(or pressure torque) from external acceleration and/or torsional vibration
measurements.
Day
4 – PM
Exercises
Day 5 – AM
Dynamic structural response – introduction to experimental modal analysis
(EMA) and operational deflection shape (ODS) – simple structural response
measurements with a single accelerometer, first used to measure and adjust
force frequency range by changing impact pad, then responses at different locations – determination
of excited frequency range from mass of hammer and stiffness of impact pad – ODS
using a fixed and a roving accelerometer - exercises (time permitting).
Day
5 – PM
Exercises and closure
Previous Course
Attendees Comments
"Excellant coverage of diagnostic tools with applications to important classes
of machinery. Professor was knowledgable and insightful." - Mitchell Wlodawski,
DSPcon Inc
" Excellant overview, wide palette of techniques and case studies" -
Gianluca Nicchiotti, Vibro-Meter SA
"A very good advanced course. I would recommend this course to my colleagues" -
Alberto Ordonez, Universidad Carlos III de Madrid
Speakers
Professor R. B. Randall, University of New South Wales, Australia
is a world-recognized expert on machinery fault diagnostics and prognostics,
especially bearings
and gearboxes. He has pioneered numerous signal processing techniques for
analyzing complex machinery signals such as helicopter gearboxes, IC engines,
reciprocating machines etc. He has published extensively on signal processing
and diagnostics. Professor Randall is a frequent invited keynote speaker
at conferences and symposia. He worked in industry for over 10 years in
Australia, Canada, and Europe before becoming a senior fellow at Brüel & Kjær
for 17 years. He has been teaching at the University of New South Wales,
Australia for the last 20 years. Bob is well known all over the world for
introducing innovative signal processing techniques for complex machinery
fault diagnosis and prognosis.
Dr. Suri Ganeriwala is the founder and president of Spectra Quest,
Inc. He has over 25 years’ of industrial and academic experience
in machinery vibration diagnostics and control, signal processing, and
visco-elastic materials
characterization. He has developed a unique method of instruction using
the Spectra Quest Machinery Fault Simulator (MFS), which is his brainchild
from
concept to completion. He has authored over thirty papers and articles
in journals, magazines, and books. He obtained a Ph.D. in Mechanical Engineering
from the University of Texas at Austin.
Click
here to download PDF version of the course details
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