CATS
Vibration
Control
The
Computer-Aided Test Suite™ Shaker Control
applications were designed to meet a wide range of environmental
test requirements. With
scalable hardware and software the PUMA Shaker Control and
Analysis System combines the simplicity of operation and test
automation features required for production screening with the
power and versatility required for R&D prototype testing.
CATS
Random
CATS
Random
Shaker Control for the Computer-Aided Test Suite™
offers full-featured, high performance test control in an easy
to use package.
Random’s advanced adaptive control algorithms are
specifically designed to take advantage of the PUMA's powerful
distributed processing architecture.
Random provides the maximum level of accuracy and safety
with extensive on-line analysis features to provide insight to
product structural response and improve product quality.
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True
Gaussian Random signal generation
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Up
to 3200 spectral lines for accurate measurement and control
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Multi-point
averaged control up to maximum number of input channels
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Independent
limit profiles for each active measurement channel
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Frequency
Response Function (FRF) measurements for all active channels
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Integration
with chambers, and other test instrumentation |
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CATS
Sine
CATS
Sine software offers a complete solution for your swept sine
testing needs.
PUMA's distributed processing architecture provides fast
loop times for safe, accurate control of such difficult test
conditions as sharp resonances and fast sweeps.
With tracking filter processing in DSP’s on input
channel cards large channel count swept sine tests can be
performed without degradation in control loop performance.
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Analog
quality sine signal generation
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Multi-channel
digital tracking filters with variable fixed and
proportional bandwidths
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Digital
resampling provides true proportional bandwidth tracking
filters
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Sweep
range from 0.1 to 10,000 Hz
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Optional
resonance search and phase-tracked dwell
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Frequency
Response Function (FRF) measurements for all active channels
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Independent
limit profiles for each active measurement channel |
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CATS
Shock
The
Computer-Aided Test Suite (CATS) Shock software employs a
patented adaptive equalization technique that accurately
reproduces transient waveforms even under non-linear conditions.
This technique provides excellent control on both hydraulic and
electrodynamic shaker systems.
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Half-sine,
sawtooth, trapezoidal, rectangular, and imported waveforms
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Belcore
VERTQII seismic waveforms
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Output
frames up to 8192 samples
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SRS
analysis to 10 kHz on all active measurement channels
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SRS
calculation (Maxi-Max, Primary+, Primary-, Residual+,
Residual-)
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Manual
or automatic operation with level scheduling
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Sophisticated
drive compensation management to decrease equalization time
for repetitive tests
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CATS
SRS Synthesis
CATS
SRS Synthesis provides comprehensive tools for generating
transient waveforms from an SRS reference and reproducing them
on electrodynamic or hydraulic shaker systems.
Transients may be manually or automatically generated
from either damped sine or wavelet components with user
specified optimization.
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SRS
analysis capability from 1/1 octave to 1/24 octave
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Automatic
wavelet synthesis and convergence from SRS reference
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Optimization
for time, displacement or acceleration
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Extensive
wavelet editing capabilities
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Patented
adaptive control technique for control of non-linear
dynamics
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SRS
analysis to 10 kHz on all active measurement channels
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drive compensation management to decrease equalization time
for repetitive tests |
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CATS
Random on Random
CATS
Random
on Random simulates complex narrowband random on broadband
random vibration environments. Narrowbands may be swept or
stationary This vibration environment is typically seen in
reciprocating equipment, repetitive impacts from tracked
vehicles, and aircraft gunfire vibration.
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Up
to 10 independent Narrowbands on a broadband random
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Independent
sweep profile for each narrowband (acceleration g2/Hz
vs. frequency breakpoints)
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Independent
sweep rate and direction (up, down, stationary) for each
narrowband
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Manual
mode control of narrowband components (on/off, sweep rate,
sweep direction )
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Test
and level scheduling
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CATS
Sine on Random
CATS
Sine
on Random provides the capability to simulate combined
sinusoidal and random vibration environments seen in rotating
and reciprocating equipment environments, including, automotive,
aircraft, and helicopter. Tone
control algorithm provides a true continuously swept sine tone.
This ensures that all frequencies are excited during sine
sweep.
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Up
to 10 independent tones on a broadband random
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Independent
sweep profile for each tone (acceleration, velocity,
displacement, and straight line segments)
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Independent
sweep rate and direction for each tone
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Smooth,
phase-continuous sweep (tone frequencies independent of
broadband FFT lines)
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Time
domain level extraction, independent control for each tone
with automatic adjustment for tone sweep
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Independent
display and storage of tone sweep amplitude vs. frequency |
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CATS
Road Simulation
CATS
Road
Simulation makes it possible to reproduce actual measured time
history vibration data in the laboratory on a shaker system.
Extensive time history editing features enable large sets
for field data to be easily reduced to the desired test time
history.
Spectral Dynamics convolution filter technique corrects
for shaker system response and accurately replicates time
histories.
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Time
domain editor for analysis and editing of field data (resample,
truncate, copy, cut, paste, append, filter)
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Filter
(low pass, high pass, band pass) any segment or entire
waveform
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Output
time history limited only by available throughput disk space
(up to 18 Gbyte)
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Convolution
filter corrects for changes in system response during output
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Auto
gain adjust provides nearly instantaneous correction for
gain level changes
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