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JAGUAR
Shaker Control and Analysis System
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Applications:
Random
Swept Sine
Transient Waveform Control
Waveform Replication
Throughput Disk Capability
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| JAGUAR
- Multiple Input, Multiple Output
JAGUAR recreates multiple degree of freedom
environments in the laboratory.
Applications as diverse as shaking a portable computer in 3 axes
simultaneously,driving a very heavy structure in one axis while
sharing the load over many shakers,or even recreating 6 DOF
movement at each of the four wheels of an automobile may now be
accomplished with JAGUAR MIMO applications.
Many control systems purporting to be multi-shaker controllers
simulate Random and Swept Sine excitation from time data
replication. This approach is statistically inaccurate.JAGUAR
MIMO produces true Random with one control per actuator or
averaged control points per actuator.The same quality of control
offered by MISO Random is inherent to MIMO Random control.
Adaptive control guarantees rapid equalization and accurate
control in the face of non-linear response.It also reduces the
time required to achieve full level testing,which reduces the
exposure to low level energy for the test article. MIMO Random
assures accurate tests while uncoupling the shaker responses
from each other and the governing phase.
MIMO Sine,like MIMO Random,controls phase between actuators and
between axes.
By maintaining a three dimensional impedance matrix, JAGUAR is
always capable of determining the contribution from each shaker
to the overall response and properly differentiating for each
actuator so that proper, accurate,safe control is assured.The
complex issue of singularities is addressed with an elegant
solution that permits intricate tests to be performed without
having to resort to test segmentation in an attempt to avoid the
singularity.
JAGUAR ’s MIMO suite of capabilities includes both short
duration Transient Waveform Control (TWC)appropriate for
replicating many transient and seismic events and indeterminate
duration waveforms (Waveform Replication)typically used to
replicate automotive style durability tests.Older style
solutions do not update the system H(f)during the output phase
of the loop. JAGUAR uses a real-time compensation technique that
permits automatic adjustments to the system ID as the measured
response changes.This feature ensures optimum safety and
accuracy for your test. It also reduces equalization
time,speeding the actual test process and minimizing low level
exposure for the test article. |
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