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Videos Send check or approved company purchase order to:
IDAS Engineering Inc. 9418 North Green Bay Road, Suite 138 Brown Deer, WI 53209
or call 1-877-432-7364 (toll-free) to order -- "Where people answer the phone"
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The video comes on a CD-ROM and plays on your Windows(r) Media Player(r), version 7.0 or later required. Price: $87.00 ask for the Intro to EH Servos Video About 55 Minutes Optional Learning Exam, add $43.00 -- ISBN 0970225946 Call 1-877-432-7364 to order Click here to ORDER NOW, from the H&P Bookstore
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Price: $87.00, ask for the Four Inertias Video About 70 Minutes Call 1-877-432-7364 to order Click here to ORDER NOW, from the H&P Bookstore
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In this video you will see what system designers
can do when they
are forced to work with low-resonant frequency systems, and yet must have
responsiveness and smoothness. This new video shows you four different methods
that can be implemented in the electro-hydraulic motion control system to
achieve a
improve The video comes on a CD-ROM and plays on your Windows(r) Media Player(r), version 7.0 or later required.
Price: $87.00, ask for the Four Methods Video About 70 Minutes
Call 1-877-432-7364 to order
Click here to ORDER NOW, from the H&P Bookstore
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This 20 minute CD video was
shot in the IDAS Engineering lab using a 25 horsepower, engine-driven
power unit. The aim is to demonstrate, very forcefully and very
graphically, that a diffuser can help to reduce the size of a hydraulic
reservoir. You will see the dramatic reduction in reservoir
turbulence with the diffuser in place, but the most dramatic part is the
size of the reservoir relative to the peak and steady-state return line
flows. You will also see how the very simple diffuser was
constructed and installed. This video is useful to
anyone who is interested in a
ORDER YOUR FREE COPY NOW Just send us an email with your name and address, and a brief description of your servo or proportional application, and we will send you a free copy of this dramatic CD video via the US Mails.
Price: $00.00, ask for the Reservoir Video Call 1-877-432-7364 to order
Click here to ORDER NOW, from the H&P Bookstore
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Engineers, technicians, mechanics and
technologists can benefit from this unique 45-minute video, which
illustrates many of the most difficult concepts in the operation of the
electro-hydraulic positional servomechanism. Watch the
detailed explanations of how accumulators work by virtue of the gas laws,
and the detailed characteristics of pressure compensated pumps. See accurately,
the
interactions of all the parts in the system. Watch the motion of the
valve spool and the actuator as they respond to the command signal.
Observe the effects of step inputs, ramp inputs and command input
profiles. Watch how the servo system goes into saturation and what
measures can be taken to remain out of saturation. And yet, the video is completely
non-mathematical. It is the clearest and easiest way for both beginners
and experts to gain new insights into a once-complex subject. The video
program is accompanied by a unique, optional Learning-Exam, with more than
60
comprehensive questions to challenge the student after viewing.
THis CD video is approximately 45 minutes in length. Examination "for the record" will be
optionally available, soon.
Filmed in the motion
control lab at IDAS Engineering Inc, this video demonstration helps you to
understand the
detrimental effects of incorrect gain adjustment and excessive load inertia on system performance.
It will teach you about the all of the data collection instruments and the
physical structure of the system. Watch for yourself how the
machine is put through a cyclic motion and see the effects, immediately,
as the gain is varied. But more importantly, watch how increasing the load inertia
causes a progressive deterioration in servo system performance. You
can see directly, how the fluid compressibility (hydraulic capacitance),
fixture deflection and load inertia interact to reduce the hydromechanical
resonant frequency. Also, you will be able to observe how the system goes from being valve-limited to being
resonant-frequency limited, and you can learn how lowering the
resonant frequency through large inertia loading makes the machine much
more difficult to control. Lab
demonstration footage is followed by a 45 minute lecture video that
explains the most important details that were viewed in the lab.
Approximately 70 minutes total length. 
The video comes on a CD-ROM and plays
on your Windows(r) Media Player(r), version 7.0 or later required.
The performance of an
electrohydraulic motion control system servomechanism is seriously
degraded when the hydromechanical resonant frequency is too low.
Designers strive to keep the resonant frequency as high as possible. At
times, however, the cost of doing so is excessive.
smoother, more reliable machine. All methods are explained and
demonstrated in the motion control laboratory at IDAS Engineering Inc.
You will get a firsthand look at these four methods and you can see how effective they
are when applied to off-the-shelf motion controllers or “home grown”
electro-hydraulic systems. You will also better understand why some applications can be
designed and implemented with relative ease, and why others can be
seemingly uncontrollable. Most importantly, you will be able to
compare the methods, and in that way, make informed evaluations of what
you might do on your own, real, industrial motion control system to 
response and smoothness. The unique fixturing and equipment in the IDAS
Motion Control lab allow for changes in load inertia, unlike many other
toy-like, inflexible training labs. The lab demonstration footage is
followed by a 45 minute lecture video that explains the most important
details that were viewed in the lab. It provides very specific
engineering design and analysis information for implementing all the
methods. Total time is approximately 70 minutes. 
necessary move toward down-sizing hydraulic
reservoirs.