Project Requirements:
Electrical:
Presentation System:
The system
doesn’t have much in
the way of electrical
constraints. Our system
must use 120V AC
power, but we
can create dc power
for different parts
of the system.
We would like the
system to use
less power than existing
systems. The values
and ranges will
be constrained
by the individual
components; they just
need to work
together. Interfacing
and aging are
both heavy
constraints of the system;
all the components
must work together and
last longer than
the current components.
Video Selection and
Transport:
The switcher
must use a power
source that can
be easily provided.
The accuracy, values
and ranges must
be within the limits
of the input
and output video
devices. We will need
to put a surge
protector in
front of it
to keep it
from dying too early.
Control:
The embedded
computer should be
able to be
run off a
typical 120V AC
wall outlet and
be able to be
up and running with
minimal effort to
power the device.
The device should
be able to
provide a minimum of
eight (8) RS-232
serial ports and at
least four (4)
digital I/O, with
a minimum voltage
of 5V. Interfacing
with the device
should be able to
be done through an IP
address (Ethernet)
or at the minimum,
a serial communication
port.
Lighting Control:
The electricity
that is available
in engineering
building is
120V and 240V.
For that reason
we are focusing
on the relays those
support these ranges.
Also, the current
of system that
we are looking
to support suspected
to support 9-25A.
Audio Mixing and
Amplification:
The
team is looking for
a system that uses
less power and more
reliable. The system
should be able to
use for longer hours
and highly accurate.
The ranges of the
system will be provided
in the instructions
manual. The amplifier
will be controlled through
relay and different
signals from the
control box. The
system will
have longer life
and will be less expensive.
Projectors:
The
projector will be
running on a 120V
AC wall outlet.
The power will cut
down depending upon
the power needed
to run the projector
for longer hours.
The output that will
produce from the
projector will be
highly accurate
and the security hardware
will be included
for the protection.
Screens:
The projection
screen should support
120V or 240V.
Also, we should
know the control
signal to connect
the screen to our
embedded system and
we are working
on this part and
contacting manufactures
to get the catalogs
of their products.
General:
Presentation System:
The system
needs to be more
reliable than the current
solutions used
at NAU. Self-calibrating
is something
we would like to
include in
the system. We
have no vendor preferences;
we want to build
the system so that
components from
any vendor can be
utilized to
replace aging parts.
Our system
needs to be
designed so that
anybody can use
it.
Video Selection and
Transport:
The switcher
must be as reliable
as or more
reliable than the ones
NAU is currently
using. It must
be able to
auto- detect signals
and their characteristics.
We have no vendor
preference or
client preferences.
Control:
In general,
the embedded computer
needs to be one
of the most
reliable components
of the system; the
embedded computer is what makes
controlling the room
possible. Calibrating
the device may
take some time.
This will guarantee
that the components
that will be connected
to the computer
will work properly
when controlled.
Currently, there are
no preferred vendors and
price should be kept
under $500.
Lighting Control:
In general,
the SSRs should be
able to be purchased
through a vendor
with little
effort and arrive
in a reasonable timeframe.
The device should be
covered under normal
warranty with
an option to
extend the warranty
to meet NAU purchasing
standards. Pricing
will depend on the
model of SSRs
purchased but should
not exceed more
than $50.
In general
amplifier have
input signals which
a voltage or
a current. It
is used in audio
application like
a loudspeaker that is
used to make human
voice louder
or play recorded
music. It is designed
to amplify the device
they are intending to
drive. The team
will be looking
for the system which
is more reliable
than the current
system is installed in
the engineering building.
Instruction will
be provided to
setup the system
with the preferences
of vendor and client.
Projectors:
General
purpose of the
projector is
to see a display
on a bigger screen.
What different kinds
of videos,
presentations, lectures, business
use and others.
Projected display
can help students
to understand the material
better and help to a
person who is
presenting.
Affordable price and
long life hours for
the lamp can
offer good performance
and flexibility.
Screens:
General
purpose of the screen
is to see the projected
picture from a projector.
The screen should
be white so
that it can absorb the
reflected picture
and not reflect the
light. The size of
the screen depends
upon the size
of the room and
number of people will
there to see
the display.