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jessvi created page: Lab6
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Apr 13, 2015
by
Jesper Kurtzmann Svith
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@@ -53,7 +53,7 @@ As the program was executed the robot did not move at first as the sound level w
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@@ -53,7 +53,7 @@ As the program was executed the robot did not move at first as the sound level w
During
our
experiment
we
noted
some
disturbances
to
the
readings
due
to
the
noise
made
by
the
robot
itself.
As
the
robot
accelerates
it
produces
noise
which
interfere
with
the
sound
reading.
(See
Fig.
3).
This
resulted
in
the
robot
continuing
to
the
drive
forward
though
the
sound
level
was
decreased.
To
overcome
this
problem
we
decided
to
mount
the
sound
sensor
at
an
increased
distance
to
the
robot.
(Se
fig.
4).
By
doing
this
the
robot
became
less
sensible
to
noise
produced
by
itself.(video)
Additionally
we
noted
that
the
robot
must
be
exposed
to
a
certain
amount
of
sound
before
it
moves.
This
is
due
to
the
motors
that
need
at
least
50%
power
before
they
move.
Finally
we
had
a
problem
with
uneven
distribution
of
power
to
the
two
motors,
but
the
problem
was
solved
by
replacing
one
of
them.
During
our
experiment
we
noted
some
disturbances
to
the
readings
due
to
the
noise
made
by
the
robot
itself.
As
the
robot
accelerates
it
produces
noise
which
interfere
with
the
sound
reading.
(See
Fig.
3).
This
resulted
in
the
robot
continuing
to
the
drive
forward
though
the
sound
level
was
decreased.
To
overcome
this
problem
we
decided
to
mount
the
sound
sensor
at
an
increased
distance
to
the
robot.
(Se
fig.
4).
By
doing
this
the
robot
became
less
sensible
to
noise
produced
by
itself.(video)
Additionally
we
noted
that
the
robot
must
be
exposed
to
a
certain
amount
of
sound
before
it
moves.
This
is
due
to
the
motors
that
need
at
least
50%
power
before
they
move.
Finally
we
had
a
problem
with
uneven
distribution
of
power
to
the
two
motors,
but
the
problem
was
solved
by
replacing
one
of
them.
[](http://www.youtube.com/watch?v=JBGse9FPEqY)
[](http://www.youtube.com/watch?v=JBGse9FPEqY)
#####
Fig.
3
-
The
video
show
the
robots
noise
interference.
#####
Fig.
3
-
The
video
show
s
the
robot
'
s
noise
interference.
#####
Fig.
4
-
The
sound
sensor
extension.
#####
Fig.
4
-
The
sound
sensor
extension.
...
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