In a
recent blog post we talked about our Shake Tables and how they help undergrad
students grasp complex concepts of structural engineering more quickly and
thoroughly. Today, let’s focus on the largest member of the Quanser Shake Table
family.
One reason professors choose the XY Shake Table III is its usefulness in demonstrating the principles of
structural dynamics to their students through hands-on experiments that bring
theory to life. When you consider its ability to accommodate large model
structures and big loads, and its flexibility in the research lab, it’s easy to
understand why many professors find it such a perfect match for their lab.
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As the
largest member of the Quanser Shake Table family, the xy Shake Table III moves
along two axes and can handle heavier loads. It is designed to accelerate loads
of up to 100 kg at 1 g while providing high acceleration and velocity for a
lab’s customized structures.
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Dalian University of Technology, China: a dedicated xy table with high performance
As
a member of Dalian University of Technology’s Faculty of Infrastructure Engineering in China, Professor Luyu Li uses the xy Shake Table III to conduct earthquake engineering research. One of his areas of
interest involves conducting nonlinear vibration seismic performance tests on
steel structures.
He became
interested in xy table motion when he was working on his PhD, when he began using
a Quanser Shake Table II. At one time, he stacked two Shake Table II’s together
to achieve the desired xy motion. At Dalian University, he was looking for a
dedicated xy table with higher performance (heavier loads, weight bearing, higher
acceleration, and greater stroke) compared to the stacked ST II arrangement and
decided on the xy Shake Table III.
Key
factors that led to his choosing the xy Shake Table III were its easy-connect
capability, its compatibility with the Simulink environment,
which he finds very suitable for control applications, and its high bandwidth
using linear motor actuators. In addition, the xy Shake Table III came as a complete workstation,
with Quanser data acquisition devices, accelerometers and QUARC® control design software for
MATLAB®/Simulink®.
Cal Poly Pomona, USA:
a dynamic addition to its structures laboratory
Professor Felipe
J. Perez is an assistant professor in CSU
Pomona’s Civil Engineering
department. He is currently using the xy Shake Table III to assist with
undergraduate student projects and competitions, such as the Seismic Design Competition. There
are plans to use the Shake Table as part of an existing structures laboratory
to demonstrate dynamic characteristics of different structures.
Professor Perez finds Quanser’s strong commitment to
supporting his needs more than exceeded his expectations.
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A
university-built customized structure is about to be tested on the Quanser xy Shake Table III by Professor Felipe J. Perez in his Civil Engineering lab at
CalPoly Pomona.
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Universidad Mariano
Galvez de Guatemala, Guatemala: a shake table that meets their teaching and research needs
Professor
José Carlos Gil of the Universidad Mariano
Galvez de Guatemala tells us that their xy Shake Table III is used mainly to
teach structural dynamics in structural engineering courses. Guatemala lies on
a major fault zone and earthquakes are relatively common events. Fittingly, the
university’s design course places special emphasis on building seismic-resistant
structures.
The xy Shake Table III has been used to demonstrate topics such as dynamic
amplification, vibration modes, and the influence of such aspects in the structure
dynamic response. Its size and capabilities also allows the school to conduct
structural research using scale models. The university acquired the xy Shake Table
III after reading about it in an engineering publication. They realized it
would help them reach their teaching objectives in structural engineering.
Stay tuned for more posts in this Shake Table series. For
more information on Quanser Shake Table solutions, click here.
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