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1.
I
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A
s
tap
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m
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to
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t,
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s
,
an
d
s
ch
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o
ls
all
o
v
er
t
h
e
w
o
r
ld
[
1
,
2
]
.
T
h
e
n
o
n
-
tech
n
ical
p
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b
lem
s
o
f
s
tap
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teg
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asp
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[
3
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[
5
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,
h
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8708
I
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t J
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&
C
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p
E
n
g
,
Vo
l.
11
,
No
.
2
,
A
p
r
il
2
0
2
1
:
1
2
3
5
-
1242
1236
tech
n
ical
r
eq
u
ir
e
m
en
ts
[
6
]
.
Mo
r
e
o
v
er
,
th
e
tr
ad
itio
n
al
m
a
n
u
al
m
ac
h
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co
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m
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s
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ti
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d
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h
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s
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ati
v
e
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s
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all
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[
7
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.
Th
is
p
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r
g
an
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a
s
f
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w
s
.
Sectio
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2
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s
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s
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h
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r
elate
d
w
o
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k
s
o
f
u
s
in
g
a
n
au
to
m
a
tic
p
r
in
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g
h
o
u
s
e
i
n
f
ac
to
r
ies.
S
ec
tio
n
3
d
escr
ib
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a
n
d
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x
p
lai
n
s
th
e
co
m
p
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n
e
n
ts
an
d
p
r
o
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s
s
es
o
f
P
HUK.
T
h
e
p
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p
o
s
ed
d
esig
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,
h
ar
d
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a
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d
s
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f
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s
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tio
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n
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h
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d
d
is
cu
s
s
ed
f
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tu
r
e
w
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k
.
2.
RE
L
AT
E
D
WO
RK
S
Ma
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er
in
v
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ted
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m
et
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l
tan
eo
u
s
s
titc
h
in
g
o
f
tan
d
e
m
s
ets
o
f
1
-
u
p
g
at
h
er
ed
s
i
g
n
a
tu
r
e
s
[
8
,
9
]
.
“
A
s
h
u
ttle
m
ec
h
a
n
i
s
m
g
r
ip
s
ad
j
ac
en
t,
co
n
s
ec
u
ti
v
e
u
n
b
o
u
n
d
b
o
o
k
s
o
n
a
s
ad
d
le
-
t
y
p
e
g
a
th
er
i
n
g
co
n
v
e
y
o
r
a
n
d
,
in
a
s
i
n
g
le
s
tr
o
k
e,
p
r
esen
ts
b
o
th
u
n
b
o
u
n
d
b
o
o
k
s
at
a
s
ad
d
le
s
titch
er
s
tat
io
n
f
o
r
s
i
m
u
lta
n
eo
u
s
b
in
d
in
g
”
[
1
]
.
Sim
ilar
l
y
,
t
h
e
p
r
o
p
o
s
ed
w
o
r
k
is
d
esi
g
n
ed
to
ca
r
r
y
o
u
t
s
i
x
s
h
ee
ts
o
f
p
ap
er
co
n
s
ec
u
tiv
e
l
y
.
An
o
th
er
i
n
v
e
n
tio
n
b
y
Ho
f
f
m
an
n
a
n
d
o
th
er
s
[
9
,
1
0
]
,
r
elate
s
to
a
m
eth
o
d
f
o
r
co
llatin
g
m
u
l
tila
y
er
b
r
o
ch
u
r
es,
co
m
p
r
is
i
n
g
a
p
lu
r
alit
y
n
o
f
s
i
g
n
at
u
r
es
w
it
h
a
s
ad
d
le
s
titch
er
.
I
n
a
f
ir
s
t
s
tep
,
a
f
ir
s
t
s
i
g
n
at
u
r
e
i
s
d
ep
o
s
ited
b
y
a
f
ir
s
t
f
ee
d
er
in
a
f
ir
s
t
tr
an
s
p
o
r
t
s
eg
m
e
n
t,
in
a
s
ec
o
n
d
s
tep
a
s
ec
o
n
d
s
ig
n
a
tu
r
e
is
d
ep
o
s
ited
b
y
a
s
ec
o
n
d
f
ee
d
er
o
f
s
ec
o
n
d
tr
an
s
p
o
r
t
s
eg
m
e
n
t.
I
n
ac
co
r
d
an
ce
w
it
h
f
u
r
th
er
d
ep
o
s
itin
g
o
f
f
u
r
th
er
s
ig
n
at
u
r
es
b
y
f
u
r
t
h
er
in
v
e
s
to
r
s
,
an
n
th
s
i
g
n
atu
r
e
ca
n
b
e
d
ep
o
s
ited
b
y
a
n
n
th
f
ee
d
er
in
to
a
n
n
th
tr
an
s
p
o
r
t
s
eg
m
e
n
t.
T
h
e
s
ig
n
at
u
r
es
th
u
s
d
ep
o
s
ited
o
n
a
co
llectin
g
ele
m
en
t
ar
e
tr
an
s
p
o
r
ted
th
r
o
u
g
h
th
e
s
titc
h
i
n
g
s
tatio
n
a
n
d
th
e
tr
i
m
m
i
n
g
s
tatio
n
a
n
d
laid
o
u
t
in
t
h
e
d
eli
v
er
y
s
ta
tio
n
.
T
h
e
i
n
v
en
t
io
n
a
ls
o
r
elate
s
to
a
s
ad
d
le
s
titc
h
er
h
av
in
g
a
co
n
tr
o
l
u
n
it
w
h
ic
h
h
as
a
m
ac
h
in
e
p
r
o
g
r
a
m
f
o
r
g
ath
er
i
n
g
m
u
lti
-
la
y
er
b
r
o
ch
u
r
es
,
co
n
s
i
s
ti
n
g
o
f
a
p
lu
r
alit
y
n
o
f
s
ig
n
at
u
r
es
.
I
n
t
h
eir
i
n
v
e
n
tio
n
“
Me
t
h
o
d
o
f
o
p
er
atin
g
a
s
ad
d
l
e
s
titc
h
er
,
an
d
s
ad
d
le
s
t
itch
er
”
th
e
y
u
s
ed
m
u
ltip
le
s
tag
e
s
o
f
f
ee
d
er
,
w
h
er
ea
s
i
n
o
u
r
i
m
p
le
m
e
n
tatio
n
,
u
s
ed
o
n
e
f
ee
d
er
f
o
r
s
ti
tch
i
n
g
t
h
e
p
ap
e
r
s
,
m
o
r
e
d
etail
s
ar
e
f
u
ll
y
d
escr
ib
ed
in
[
1
1
-
1
4
]
.
3.
CO
M
P
O
NE
NT
S A
ND
P
RO
CE
SS
E
S O
F
P
H
UK
T
h
e
f
in
i
s
h
in
g
s
tep
s
o
f
th
e
p
r
in
ti
n
g
p
r
o
ce
s
s
,
r
ef
er
s
to
all
t
h
e
ac
tio
n
s
t
h
at
ar
e
ex
ec
u
ted
o
n
p
r
in
ted
m
ater
ial
af
ter
co
m
p
lete
p
r
in
t
i
n
g
.
T
h
is
in
c
lu
d
es
b
i
n
d
in
g
,
s
tit
ch
in
g
o
f
s
ep
ar
ated
s
h
ee
t
s
o
f
p
ap
er
to
g
eth
er
,
an
d
d
ec
o
r
atio
n
s
u
c
h
a
s
s
ta
m
p
i
n
g
,
e
m
b
o
s
s
i
n
g
o
r
ar
r
an
g
e
d
in
la
y
er
s
.
Fi
g
u
r
e
1
s
h
o
w
s
t
h
e
o
r
d
in
ar
y
s
tep
s
t
h
at
w
er
e
f
o
llo
w
ed
b
y
e
m
p
lo
y
ee
s
in
o
n
e
p
r
in
t c
y
cle
[
15
-
17
].
Fig
u
r
e
1
.
O
r
d
in
ar
y
s
tep
s
of
o
n
e
p
r
in
t c
y
cle
T
h
er
e
ar
e
a
l
o
t o
f
w
a
y
s
f
o
r
b
in
d
in
g
s
h
ee
t
s
to
g
et
h
er
; th
e
co
m
m
o
n
m
et
h
o
d
s
ar
e
lis
ted
b
elo
w
:
a.
T
h
e
b
in
d
in
g
:
A
ll
t
h
e
p
ag
e
s
ar
e
b
o
u
n
d
to
t
h
e
s
p
in
e
o
f
t
h
e
co
v
er
b
y
u
s
in
g
s
tr
o
n
g
g
lu
e.
T
h
is
m
et
h
o
d
is
u
s
ed
f
o
r
b
o
o
k
s
,
m
ag
az
i
n
e
s
…etc.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2088
-
8708
I
mp
r
o
vin
g
s
a
d
d
le
s
titch
in
g
lin
e
u
s
in
g
a
ffo
r
d
a
b
le
emb
ed
d
ed
s
ystem
(
S
a
la
m
A
l
-
A
u
g
b
y
)
1237
b.
Sad
d
le
s
titch
i
n
g
:
T
h
e
s
ad
d
le
f
ee
d
s
w
it
h
p
r
e
-
f
o
ld
ed
s
h
ee
t
p
r
o
d
u
cts
m
a
n
u
al
l
y
b
e
f
o
r
e
cu
tti
n
g
o
r
tr
i
m
m
i
n
g
an
y
ed
g
e
s
a
s
s
h
o
w
n
i
n
Fig
u
r
e
1
.
T
h
en
,
p
ag
es
ar
e
j
o
in
ed
b
y
d
r
iv
in
g
m
eta
l
s
tap
les
t
h
r
o
u
g
h
t
h
e
ce
n
ter
o
f
t
h
e
f
o
ld
ed
g
r
o
u
p
o
f
s
h
ee
ts
o
f
p
a
p
er
.
Mo
r
e,
s
titch
in
g
tech
n
iq
u
e
is
w
id
el
y
u
s
ed
i
n
n
e
w
s
p
ap
er
s
,
m
a
g
az
i
n
es,
ca
talo
g
s
,
etc.
c.
B
esid
es
s
titc
h
i
n
g
:
T
h
is
t
y
p
e
o
f
s
titc
h
i
n
g
is
le
s
s
co
m
m
o
n
l
y
u
s
ed
th
a
n
t
h
e
s
ad
d
le
s
t
itch
in
g
.
T
h
e
m
eta
l
s
tap
les ar
e
d
r
iv
en
t
h
r
o
u
g
h
t
h
e
p
ag
es in
p
ar
allel
to
th
e
m
ar
g
in
lin
e.
d.
Se
w
in
g
:
A
co
r
d
o
r
th
r
ea
d
t
h
at
is
u
s
ed
to
s
titch
s
h
ee
t
s
o
f
p
ap
er
to
g
eth
er
.
A
n
ad
h
e
s
iv
e
is
u
s
ed
in
co
n
j
u
n
ctio
n
w
it
h
t
h
e
th
r
ea
d
.
C
o
r
d
s
e
w
in
g
is
u
s
ed
f
o
r
t
h
e
h
ar
d
b
o
o
k
co
v
er
s
.
Af
ter
t
h
at,
th
e
b
o
o
k
co
v
er
s
h
o
u
ld
b
e
p
u
t u
n
d
er
h
i
g
h
p
r
ess
u
r
e
o
f
w
ei
g
h
t.
e.
C
o
m
b
s
titc
h
i
n
g
tech
n
iq
u
e:
T
h
e
teeth
o
f
th
e
co
m
b
ar
e
p
lace
d
in
d
r
illed
s
lits
in
to
ar
r
an
g
ed
co
m
b
i
n
ed
s
h
ee
ts
.
T
h
is
ac
tio
n
is
al
m
o
s
t
u
s
ed
f
o
r
n
o
n
-
f
o
ld
ed
r
ep
o
r
ts
an
d
p
r
esen
t
atio
n
s
.
f.
Sp
ir
al:
A
s
p
r
in
g
m
etal
o
r
p
last
ic
co
il
is
th
r
ea
d
ed
t
h
r
o
u
g
h
p
ar
allel
h
o
les
in
to
a
s
p
in
o
f
c
o
m
b
i
n
ed
s
h
ee
t
s
.
T
h
e
s
p
ir
al
is
t
y
p
icall
y
u
s
ed
f
o
r
a
te
m
p
o
r
ar
y
n
u
m
b
er
o
f
s
h
ee
ts
in
th
e
n
o
teb
o
o
k
.
A
ll
th
o
s
e
k
i
n
d
s
o
f
s
t
itch
in
g
tech
n
iq
u
es
w
ill
co
n
tr
ib
u
te
t
o
in
cr
ea
s
i
n
g
t
h
e
co
s
t
o
f
t
h
e
au
to
m
a
tic
st
itc
h
in
g
m
ac
h
in
e
b
ec
a
u
s
e
t
h
a
t
w
ill
lead
to
th
e
n
ee
d
f
o
r
m
u
lt
i
f
ee
d
er
u
n
ites
a
lo
n
g
t
h
e
p
r
o
d
u
ctio
n
li
n
e,
w
h
er
e
a
f
ee
d
er
is
a
co
m
p
licated
m
ac
h
in
e
its
e
lf
.
T
h
e
n
u
m
b
er
o
f
f
ee
d
er
s
o
n
th
e
au
to
m
atic
s
ad
d
le
s
titch
in
g
m
ac
h
in
e
w
o
u
ld
b
e
eq
u
al
to
th
e
n
u
m
b
er
o
f
p
ag
es
o
f
t
h
e
f
o
ld
ed
p
ap
er
s
.
So
th
e
co
s
t
o
f
t
h
e
m
ac
h
i
n
e
w
i
ll
b
e
m
u
lt
ip
lied
b
y
th
e
n
u
m
b
er
o
f
f
ee
d
er
s
.
A
l
m
o
s
t
all
t
h
e
p
r
in
ti
n
g
m
ac
h
i
n
e
s
ar
e
u
s
i
n
g
t
h
e
s
a
m
e
s
ta
n
d
ar
d
s
ize
A
0
p
ap
er
to
p
r
in
t
d
if
f
er
e
n
t
s
izes
o
f
p
ap
er
p
r
o
d
u
ctio
n
s
b
y
m
o
n
ta
g
in
g
all
th
e
p
ag
es
o
f
t
h
e
m
a
g
az
i
n
e,
f
o
r
ex
a
m
p
le,
o
n
t
h
e
t
w
o
s
id
es
o
f
th
e
A
0
s
h
ee
t.
Ne
x
t,
af
ter
p
r
in
tin
g
,
is
f
o
ld
i
n
g
t
h
e
A
0
p
ap
er
to
f
it
th
e
p
r
o
d
u
ct
s
ize.
T
h
is
in
v
o
lv
e
s
a
s
er
ies
o
f
r
ig
h
t
-
an
g
le
f
o
ld
s
i
n
w
h
ic
h
t
h
e
s
h
ee
t
b
y
m
an
y
t
i
m
e
s
.
On
e
f
o
ld
ed
s
h
ee
t
m
a
k
es
f
o
u
r
p
ag
es,
t
w
o
f
o
ld
ed
r
ig
h
t
-
a
n
g
le
m
a
k
e
eig
h
t
p
ag
e
s
,
an
d
s
o
o
n
.
Oth
er
w
o
r
k
t
y
p
e
s
r
eq
u
ir
e
m
u
l
tip
le
ti
m
e
s
o
f
p
ar
allel
f
o
ld
s
in
w
h
ic
h
m
o
r
e
t
h
a
n
o
n
e
f
o
ld
s
w
h
ic
h
ar
e
g
u
id
ed
in
t
h
e
s
a
m
e
d
ir
ec
tio
n
t
h
at
ar
e
m
ad
e
in
a
s
h
ee
t o
f
p
r
o
d
u
ctio
n
.
4.
DE
S
I
G
N
AND
M
E
T
H
O
DO
L
O
G
Y
T
h
e
p
r
o
p
o
s
ed
i
m
p
le
m
e
n
tatio
n
ai
m
s
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1
2
+
1
2
P
r
o
d
u
ct
o
f
f
o
r
ce
an
d
v
elo
cit
y
is
d
ef
in
ed
as
a
m
ec
h
a
n
ical
p
o
w
er
:
P
=
Fv
,
b
u
t
if
o
n
e
f
o
r
ce
p
u
llin
g
i
n
o
p
p
o
s
itio
n
to
th
e
o
th
er
,
th
en
t
h
e
n
et
tr
an
s
m
i
tted
p
o
w
er
is
P
=
v
*
(
F1
-
F2
)
,
s
i
n
ce
v
=
πN
D
P
=
πND
*
(
F1
-
F2
)
T
=
F x
D/2
.
T
h
er
e
ar
e
tw
o
f
o
r
ce
s
p
u
ll
in
g
in
o
p
p
o
s
ite
d
ir
ec
tio
n
s
,
o
n
a
g
i
v
en
w
h
ee
l
,
t
h
e
n
et
to
r
q
u
e
is
T
=
(
D/2
)
(
F1
-
F2
)
.
P
o
w
er
o
f
th
e
p
u
lle
y
t
o
r
q
u
e
is
P
=
2
πNT
o
r
P
=
ω
T
,
w
h
e
n
u
s
e
n
et
to
r
q
u
e
P
=
2
πN
*
(
D/2
)
*
(
F1
-
F2
)
a
n
d
P
=
π
*
ND
*
(
F1
-
F2
)
=
v
*
(
F1
-
F2
)
w
h
e
n
:
N
is
t
h
e
r
e
v
o
lu
t
io
n
p
er
m
i
n
u
te
,
D
i
s
th
e
d
ia
m
eter
o
f
t
h
e
p
u
lle
y
w
h
ee
l
,
P
is
th
e
m
ec
h
an
ical
p
o
w
er
,
F is
t
h
e
f
o
r
ce
,
an
d
T
is
th
e
to
r
q
u
e
[1
7
, 1
8
].
T
h
e
b
elt
w
it
h
h
o
ld
er
s
w
il
l
o
r
d
er
s
h
ee
ts
s
eq
u
en
tiall
y
o
n
t
h
e
s
ad
d
le
an
d
p
ass
in
g
t
h
e
s
ta
p
led
s
h
ee
t
th
r
o
u
g
h
t
h
e
f
o
ld
i
n
g
p
late
to
d
r
o
p
f
o
ld
e
d
s
h
ee
ts
in
t
h
e
d
el
iv
er
lin
e
.
Mo
r
e,
th
e
p
r
o
d
u
ct
w
il
l
s
lip
alo
n
g
th
e
p
r
o
d
u
ctio
n
lin
e
co
n
tai
n
in
g
t
h
e
tr
an
s
p
o
r
tatio
n
b
elt
to
r
eo
r
g
an
ize
t
h
e
p
r
o
d
u
cts
as
a
ti
m
i
n
g
s
eq
u
e
n
ce
to
b
e
co
m
p
atib
le
w
it
h
th
e
s
e
n
s
o
r
s
I
/O
s
ig
n
als
b
ec
au
s
e
o
f
th
at
s
e
n
s
o
r
s
r
ep
r
es
en
t
th
e
m
ain
v
ar
i
ab
les
o
f
th
e
s
y
s
te
m
s
o
f
t
w
ar
e.
T
h
e
tr
an
s
p
o
r
tatio
n
b
elt
w
ill
ca
r
r
y
th
e
p
r
o
d
u
cts
s
t
r
aig
h
t
l
y
o
n
a
s
ad
d
le
s
lid
e
to
r
ea
ch
it
to
th
e
f
ir
s
t
s
tap
lin
g
p
o
in
t
w
h
ic
h
lo
ca
te
s
d
ep
en
d
in
g
o
n
th
e
f
ir
s
t
s
e
n
s
o
r
lo
ca
tio
n
.
W
h
en
t
h
e
p
r
o
d
u
cts
r
ef
lect
t
h
e
I
R
t
h
at
e
m
itted
f
r
o
m
th
e
s
e
n
s
o
r
tr
an
s
m
itter
to
th
e
r
ec
eiv
er
,
t
h
e
p
o
s
itiv
e
s
i
g
n
a
l
s
h
ill
s
e
n
t
to
th
e
s
t
ap
lin
g
m
ac
h
i
n
e
to
m
ak
e
o
n
e
s
tap
le
j
o
b
d
u
r
in
g
a
n
i
m
m
ed
iate
s
to
p
o
f
t
h
e
tr
an
s
p
o
r
tatio
n
b
elt
to
m
o
v
e
a
g
ai
n
in
th
e
s
a
m
e
d
ir
ec
tio
n
an
d
g
e
t
r
ea
d
y
f
o
r
t
h
e
s
ec
o
n
d
s
tab
le
j
o
b
.
T
h
at
s
lip
p
in
g
i
s
co
n
tin
u
in
g
to
ta
k
e
t
h
e
p
r
o
d
u
ct
to
th
e
lo
ca
tio
n
o
f
t
h
e
s
ec
o
n
d
s
e
n
s
o
r
,
t
h
at
m
ea
n
s
t
h
e
s
ec
o
n
d
o
r
last
s
tap
li
n
g
j
o
b
is
d
o
n
e
as
s
a
m
e
a
s
t
h
e
w
a
y
o
f
th
e
f
ir
s
t.
T
h
e
a
u
x
iliar
y
o
f
th
is
s
tag
e
i
s
th
e
co
u
n
t
s
e
n
s
o
r
th
at
co
u
n
ti
n
g
t
h
e
n
u
m
b
er
o
f
co
m
p
le
ted
p
r
o
d
u
cts
to
s
en
d
it
as
a
f
ee
d
b
ac
k
to
th
e
m
icr
o
co
n
tr
o
ller
o
f
th
e
A
r
d
u
in
o
b
ec
au
s
e
w
e
h
a
v
e
to
u
s
e
t
h
at
n
u
m
b
er
i
n
to
a
s
p
ec
if
ied
eq
u
atio
n
[1
9
,
20
]
.
T
h
e
n
ex
t
s
tep
is
le
tti
n
g
w
o
r
k
er
2
to
tak
e
s
tap
led
an
d
f
o
ld
ed
s
h
ee
ts
f
r
o
m
d
eliv
er
to
t
h
e
tr
i
m
m
i
n
g
m
ac
h
in
e
to
p
r
o
d
u
ce
in
d
i
v
id
u
a
l
p
r
o
d
u
cts
th
at
ar
e
r
ea
d
y
f
o
r
p
ac
k
ag
i
n
g
in
t
h
e
la
s
t
s
tep
b
y
w
o
r
k
er
3
.
T
h
e
th
r
ee
s
tep
s
an
d
o
t
h
er
r
elate
d
co
m
p
o
n
en
t
s
in
th
e
T
ab
le
1
ab
o
v
e
ca
n
b
e
ill
u
s
tr
ated
i
n
Fi
g
u
r
e
5
as
a
w
o
r
k
li
n
e.
T
h
e
p
r
o
d
u
ctio
n
m
ac
h
i
n
e
r
ea
c
h
ed
t
h
e
f
i
n
al
s
ta
g
e
as
s
ee
n
in
F
i
g
u
r
e
2
th
a
t
r
esp
o
n
s
ib
le
f
o
r
d
eliv
e
r
in
g
p
r
o
d
u
cts
i
n
th
e
d
esira
b
le
s
h
ap
e,
th
at
p
r
o
ce
s
s
tr
ied
to
f
o
ld
b
ac
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r
o
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u
ct
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s
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ip
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in
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m
to
b
e
co
llected
as
th
e
s
tak
e
h
o
ld
er
w
i
s
h
.
Fig
u
r
e
5
.
T
h
e
th
r
ee
s
tep
s
o
f
th
e
p
ap
er
f
lo
w
d
ia
g
r
a
m
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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T
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D.
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o
to
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ai
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m
ac
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p
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m
o
to
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s
u
m
m
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b
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a
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ed
iu
m
to
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ai
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ee
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n
s
p
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tatio
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elt
o
f
th
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p
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ctio
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a
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r
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en
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te
m
,
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o
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,
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ir
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tio
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n
d
s
p
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d
o
f
t
h
e
m
o
to
r
ar
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co
n
tr
o
lled
b
y
B
T
S
-
7
9
6
0
D.
C
m
o
to
r
d
r
iv
er
w
h
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h
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co
n
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ted
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r
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g
e
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s
e
2
4
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5
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lti
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p
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o
to
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th
e
m
ai
n
m
o
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m
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it
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e
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4
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c
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lo
ad
r
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lect
t
h
e
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R
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f
t
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f
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t
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at
is
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ted
o
n
t
h
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p
r
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d
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ct
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n
li
n
e,
a
p
o
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it
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ig
n
al
tr
an
s
m
i
tted
f
r
o
m
t
h
e
s
e
n
s
o
r
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t
h
e
A
r
d
u
in
o
.
T
h
e
A
r
d
u
in
o
w
ill
tak
e
an
ac
tio
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m
m
ed
iatel
y
to
s
to
p
t
h
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tr
an
s
p
o
r
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elt
an
d
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ak
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le
j
o
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,
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d
n
ex
t
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ch
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ec
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n
d
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R
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n
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o
r
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d
m
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k
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d
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le
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o
b
an
d
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n
.
a.
T
h
e
f
ee
d
er
:
is
elec
tr
o
n
ic
an
d
m
ec
h
a
n
ical
to
o
l
u
s
e
air
d
y
n
a
m
ic
s
y
s
te
m
s
to
tak
e
th
e
d
o
u
b
le
-
f
o
ld
ed
s
h
ee
ts
j
u
s
t f
r
o
m
t
h
e
p
ap
er
f
o
ld
in
g
m
a
ch
in
e
b
y
t
w
o
v
ac
u
u
m
p
o
in
t
s
.
b.
Deliv
er
:
in
t
h
is
m
ac
h
i
n
e
is
n
o
t
co
m
p
licated
co
m
p
ar
ed
w
i
t
h
t
h
e
f
ee
d
er
o
f
t
h
e
s
a
m
e
m
a
ch
in
e,
w
e
u
s
ed
alu
m
in
u
m
p
lates
f
o
r
m
ed
to
f
o
ld
b
ac
k
th
e
p
ap
er
s
h
ee
ts
o
f
t
h
e
p
r
o
d
u
ct
as
th
e
f
ir
s
t
f
o
r
m
t
h
ey
ar
e
f
ed
to
th
e
m
ac
h
in
e.
c.
Sen
s
o
r
s
:
s
e
n
s
o
r
s
ar
e
s
u
p
p
lied
w
i
th
th
e
p
o
w
er
f
r
o
m
t
h
e
m
ai
n
p
o
w
er
s
u
p
p
l
y
w
i
th
5
v
D.
C
v
o
lts
an
d
co
n
n
ec
ted
to
th
e
A
r
d
u
i
n
o
m
icr
o
co
n
tr
o
ller
b
y
t
h
e
d
ig
i
tal
s
i
g
n
al
p
in
w
h
ich
i
s
les
s
t
h
an
5
0
c
m
lo
n
g
o
f
w
ir
e
to
n
eg
lec
tin
g
t
h
e
s
i
g
n
al
co
p
p
er
lo
s
s
es t
h
at
a
f
f
ec
tin
g
t
h
e
lo
w
v
o
lt
ag
e
in
t
h
at
s
ig
n
al
w
ir
e.
d.
C
o
n
tr
o
l
b
o
ar
d
:
c
o
n
tain
in
g
a
g
r
o
u
p
o
f
b
u
tto
n
s
to
b
e
u
s
ed
in
e
m
er
g
e
n
c
y
ca
s
es,
m
a
n
u
al
l
y
s
to
p
an
d
m
ai
n
ten
a
n
ce
.
I
t
co
n
tai
n
s
th
e
A
r
d
u
i
n
o
b
o
ar
d
,
lo
w
a
n
d
h
i
g
h
cu
r
r
en
t
r
ela
y
s
,
elec
tr
o
n
ic
p
r
o
tectio
n
ele
m
en
t
s
,
co
n
n
ec
tio
n
s
,
e
x
p
lan
ato
r
y
la
m
p
s
,
a
n
d
th
e
s
tat
u
s
L
C
D.
See
th
e
s
o
f
t
w
ar
e
f
o
l
w
c
h
ar
t
o
f
a
ll
p
r
o
p
o
s
ed
e
m
b
ed
d
ed
s
y
s
te
m
in
Fig
u
r
e
6
(
s
ee
in
A
p
p
en
d
ix
)
.
T
h
e
m
ain
b
r
ain
p
ar
t
o
f
t
h
i
s
p
r
o
ce
s
s
is
"
T
h
e
A
r
d
u
i
n
o
ME
GA
2
5
6
0
is
d
esig
n
ed
f
o
r
p
r
o
j
ec
ts
th
at
r
eq
u
ir
e
s
ev
er
al
I
/O
lin
es
w
it
h
m
o
r
e
s
k
etc
h
m
e
m
o
r
y
an
d
R
A
M
(
5
4
d
ig
ital
I
/O
p
in
s
)
,
1
6
an
alo
g
in
p
u
t
s
.
Gen
er
all
y
,
a
lar
g
er
s
p
ac
e
i
s
t
h
e
r
ec
o
m
m
e
n
d
ed
b
o
ar
d
f
o
r
3
D
p
r
in
ter
s
a
n
d
o
t
h
er
p
r
o
j
ec
ts
(
s
u
c
h
a
s
r
o
b
o
tics
).
T
h
at
p
r
o
v
id
es
th
e
p
r
o
j
ec
ts
p
le
n
t
y
o
p
p
o
r
tu
n
itie
s
m
ai
n
tai
n
i
n
g
th
e
s
i
m
p
lici
t
y
an
d
ef
f
ec
ti
v
e
n
ess
o
f
th
e
A
r
d
u
i
n
o
p
latf
o
r
m
"
[1
9
-
21
]
.
B
esid
es
th
at,
t
h
e
A
r
d
u
i
n
o
r
ec
eiv
i
n
g
t
h
e
in
p
u
t
s
i
g
n
a
ls
f
r
o
m
t
h
e
t
h
r
ee
I
R
s
en
s
o
r
s
.
T
h
e
in
f
r
ar
ed
o
b
s
tacle
av
o
id
an
ce
s
e
n
s
o
r
h
a
s
a
p
air
o
f
i
n
f
r
ar
ed
tr
an
s
m
itt
in
g
a
n
d
r
ec
eiv
i
n
g
s
e
n
s
o
r
s
.
T
h
e
L
E
D
e
m
it
s
I
R
s
ig
n
al
s
w
it
h
a
ce
r
tain
f
r
eq
u
en
c
y
a
n
d
w
h
e
n
an
o
b
s
tacle
o
cc
u
r
s
o
n
th
e
lin
e
o
f
I
R
b
ea
m
,
w
ill
b
e
r
ef
lecte
d
b
ac
k
b
y
t
h
e
o
b
s
tacle
b
y
t
h
e
r
e
ce
iv
er
"
.
W
h
ile
th
e
o
u
tp
u
t
s
ig
n
als
o
f
t
h
e
A
r
d
u
in
o
m
icr
o
co
n
tr
o
ller
ar
e
co
n
tr
o
llin
g
th
e
h
i
g
h
an
d
lo
w
c
u
r
r
en
t
r
ela
y
s
"T
h
e
r
ea
s
o
n
o
f
u
s
i
n
g
a
5
V
r
ela
y
is
t
h
at
th
e
p
o
w
er
s
u
p
p
l
y
f
o
r
th
e
r
elay
ca
n
b
e
d
ir
ec
tl
y
g
i
v
e
n
f
r
o
m
t
h
e
A
r
d
u
i
n
o
UNO
b
o
ar
d
[
2
2
,
2
3
]
.
e.
R
ela
y
:
i
s
a
n
i
n
ter
f
ac
e
s
w
itc
h
b
et
w
ee
n
m
icr
o
co
n
tr
o
ller
s
a
n
d
th
e
A
C
lo
ad
s
,
A
s
i
m
p
le
si
n
g
le
p
o
le
–
s
i
n
g
le
th
r
o
w
r
ela
y
,
w
it
h
5
T
er
m
in
a
ls
:
5
V,
G
ND,
n
o
r
m
all
y
o
p
en
(
NO)
,
n
o
r
m
al
l
y
clo
s
e
(
N
C
)
,
an
d
co
m
m
o
n
(
C
OM
M)
.
T
o
co
n
tr
o
l
th
e
r
ela
y
b
y
A
r
d
u
in
o
:
a
tr
an
s
is
to
r
w
it
h
an
ad
d
itio
n
al
p
in
is
u
s
ed
,
th
at
ca
lled
co
n
tr
o
l
p
in
o
n
th
e
r
ela
y
m
o
d
u
le
"
.
A
l
u
m
i
n
u
m
a
n
d
I
r
o
n
p
late
s
ar
e
u
s
ed
to
d
ev
elo
p
th
e
p
r
o
d
u
ctio
n
s
tan
d
a
n
d
all
th
e
o
th
er
co
v
er
s
th
o
s
e
n
ee
d
ed
to
f
i
x
th
e
elec
tr
o
n
i
c
p
ar
ts
,
co
n
tr
o
l u
n
i
ts
,
an
d
t
h
e
m
o
to
r
s
[
2
4
,
2
5
].
5.
CO
NCLU
SI
O
N
S
I
n
2
0
1
8
,
a
p
r
ac
tical
ex
p
er
ien
c
e
in
P
HUK
co
n
cl
u
d
ed
th
at
t
wo
w
ell
-
tr
ai
n
ed
e
m
p
lo
y
ee
s
w
er
e
p
r
o
d
u
cin
g
ar
o
u
n
d
3
0
0
0
c
o
u
p
les o
f
s
tap
li
n
g
j
o
b
s
in
o
n
e
w
o
r
k
d
a
y
.
A
t t
h
e
s
a
m
e
ti
m
e
,
t
h
e
o
th
er
lo
ca
l p
r
in
ti
n
g
h
o
u
s
es o
u
tp
u
t
s
h
all
b
e
at
t
h
e
s
a
m
e
ab
o
v
e
r
at
e
o
r
r
elativ
el
y
le
s
s
,
t
h
at
en
co
u
r
ag
e
u
s
to
au
to
m
a
te
th
e
m
a
n
u
al
s
t
ap
lin
g
m
ac
h
in
e.
T
h
e
m
ac
h
i
n
er
y
ab
ilit
ie
s
an
d
t
h
e
m
icr
o
p
r
o
ce
s
s
o
r
th
at
we
u
s
e
d
in
o
u
r
i
m
p
le
m
en
ta
tio
n
r
ea
ch
ed
8
0
0
0
co
u
p
les
o
f
s
tap
lin
g
j
o
b
s
in
o
n
e
w
o
r
k
d
a
y
.
T
h
er
e
is
n
o
ac
t
u
al
n
ee
d
f
o
r
tr
ain
ed
w
o
r
k
er
s
to
w
o
r
k
o
n
t
h
e
m
ac
h
in
e
an
d
to
b
e
s
atis
f
ied
w
it
h
an
y
w
o
r
k
er
to
f
ee
d
th
e
p
r
o
d
u
cts
to
th
e
m
ac
h
i
n
e
an
d
t
h
e
p
r
o
d
u
cts
w
ill
b
e
r
ea
d
y
to
p
ac
k
a
g
e
an
d
tr
an
s
p
o
r
t
d
ir
ec
tl
y
f
r
o
m
th
e
m
a
ch
in
e
w
it
h
o
u
t
a
n
y
h
u
m
a
n
i
n
te
r
v
en
tio
n
.
Hen
ce
,
t
h
e
o
r
d
in
ar
y
p
r
ac
tical
ef
f
o
r
ts
o
f
th
e
p
r
i
n
t
c
y
cle
v
er
s
u
s
t
h
e
a
u
to
m
at
ic
p
r
in
t
c
y
cle
i
n
P
HUK
w
er
e
e
x
p
er
ien
ce
d
,
t
h
u
s
,
t
h
e
i
n
f
l
u
en
ce
f
ac
to
r
b
et
w
ee
n
m
a
n
u
al
a
n
d
au
to
m
at
ic
s
tap
l
in
g
m
ac
h
in
e
is
t
h
at
t
h
e
q
u
an
ti
t
y
is
m
o
r
e
an
d
th
e
q
u
alit
y
i
s
g
o
o
d
in
p
r
o
d
u
ctio
n
.
T
h
is
w
o
r
k
s
h
o
w
ed
th
at
u
s
i
n
g
I
T
to
o
ls
ca
n
g
i
v
e
b
etter
r
esu
lts
i
n
t
h
e
ca
s
e
o
f
e
m
p
l
o
y
i
n
g
it c
o
r
r
ec
tl
y
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2088
-
8708
I
mp
r
o
vin
g
s
a
d
d
le
s
titch
in
g
lin
e
u
s
in
g
a
ffo
r
d
a
b
le
emb
ed
d
ed
s
ystem
(
S
a
la
m
A
l
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u
g
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)
1241
AP
P
E
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Fig
u
r
e
6
.
T
h
e
g
en
er
al
f
lo
w
c
h
a
r
t o
f
co
n
tr
o
l b
o
ar
d
ACK
NO
WL
E
D
G
E
M
E
NT
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h
e
au
th
o
r
s
w
is
h
to
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o
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e
t
h
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llab
o
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atio
n
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it
h
th
e
P
HUK
tea
m
f
o
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t
h
eir
s
u
p
p
o
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t,
an
d
v
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co
m
m
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n
t
s
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h
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u
tio
n
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
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8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
11
,
No
.
2
,
A
p
r
il
2
0
2
1
:
1
2
3
5
-
1242
1242
RE
F
E
R
E
NC
E
S
[1
]
I.
Du
n
m
a
d
e
,
“
L
i
f
e
c
y
c
le
a
s
se
ss
m
e
n
t
o
f
a
sta
p
li
n
g
m
a
c
h
in
e
”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
E
n
g
i
n
e
e
rin
g
&
T
e
c
h
n
o
lo
g
y
,
v
o
l.
4
,
n
o
.
1
,
p
p
.
1
2
-
1
9
,
2
0
1
5
.
[2
]
A
la
m
,
Ha
m
id
,
a
n
d
Ya
sir
Ak
ra
m
.
,
“
A
u
to
m
a
ti
c
P
a
p
e
r
S
o
rti
n
g
,
S
tap
li
n
g
a
n
d
Co
u
n
t
in
g
M
a
c
h
in
e
,
”
Diss
.
Ba
h
ria
Un
ive
rs
it
y
Isla
ma
b
a
d
C
a
mp
u
s,
2
0
1
2
.
[3
]
L
a
n
-
f
e
n
g
,
Qu
,
"
M
a
in
ten
a
n
c
e
a
n
d
a
d
ju
stm
e
n
t
o
f
sta
p
li
n
g
m
a
c
h
in
e
,
"
Me
c
h
a
n
ica
l
Res
e
a
rc
h
&
Ap
p
li
c
a
ti
o
n
,
v
o
l.
6
,
2
0
1
0
.
[4
]
Be
rc
u
les
c
u
,
L
.
,
Bă
l
a
n
,
E.
,
M
o
h
o
ra
,
C.
,
a
n
d
Do
g
a
riu
,
C.
,
“
S
o
m
e
A
sp
e
c
t
s
O
f
Op
ti
m
iz
a
ti
o
n
F
o
r
P
r
in
ti
n
g
A
n
d
F
in
ish
in
g
Off
se
t
P
ro
c
e
ss
e
s,”
An
n
a
ls
o
f
th
e
Aca
d
e
my
o
f
R
o
ma
n
ia
n
S
c
ien
ti
sts
S
e
rie
s
o
n
En
g
in
e
e
rin
g
S
c
ien
c
e
s
,
v
o
l.
1
0
,
n
o
.
2
,
p
p
.
5
-
1
8
,
2
0
1
8
.
[5
]
U.
S
.
P
a
ten
t
a
n
d
T
ra
d
e
m
a
r
k
O
ff
ice
,
"
Aw
a
rd
s
P
a
ten
t
f
o
r
M
e
th
o
d
f
o
r
Co
n
tro
l
li
n
g
a
F
e
e
d
e
r
o
f
a
G
a
t
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rin
g
-
S
ti
tch
in
g
M
a
c
h
in
e
,
"
G
lo
b
a
l
I
P
Ne
w
s: T
o
o
ls an
d
M
a
c
h
in
e
ry
P
a
ten
t
Ne
w
s
,
2
0
1
6
.
[6
]
A
re
n
d
t,
Ho
lg
e
r,
e
t
a
l.
,
"
S
ti
tc
h
in
g
m
a
c
h
in
e
f
o
r
v
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riab
le siz
e
sh
e
e
ts,
"
U.
S
.
P
a
ten
t
No
.
8
,
8
7
6
,
0
9
8
,
2
0
1
4
.
[7
]
A
re
n
d
t,
Ho
lg
e
r,
"
M
e
th
o
d
f
o
r
o
p
e
ra
ti
n
g
a
th
re
a
d
stit
c
h
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g
m
a
c
h
in
e
,
"
U.S
.
P
a
ten
t
No
.
8
,
9
6
7
,
6
0
9
,
2
0
1
5
.
[8
]
S
il
b
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rb
a
u
e
r,
G
.
,
U.S
.
P
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te
n
t
No
.
7
,
0
3
2
,
8
9
8
.
W
a
sh
in
g
to
n
,
DC:
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.
S
.
P
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ten
t
a
n
d
T
ra
d
e
m
a
rk
O
ff
ic
e
,
2
0
0
6
.
[9
]
T
.
M
a
y
e
r,
“
M
e
th
o
d
a
n
d
a
p
p
a
ra
tu
s
f
o
r
tan
d
e
m
stit
c
h
in
g
o
f
b
o
o
k
s in
a
b
in
d
e
ry
li
n
e
,
”
G
o
o
g
le P
a
ten
t
,
1
9
8
4
.
[1
0
]
S
.
Ho
f
fm
a
n
n
,
e
t
a
l.
,
”
S
a
d
d
le sti
tch
e
r
a
n
d
m
e
th
o
d
f
o
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p
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ra
ti
n
g
a
sa
d
d
le stit
c
h
e
r
"
G
o
o
g
le P
a
ten
t
,
2
0
0
9
.
[1
1
]
Ca
lo
v
,
S
.
,
“
Re
b
ir
th
o
f
sa
d
d
le stit
c
h
in
g
,
”
GAT
FW
ORL
D,
v
o
l.
1
9
,
n
o
.
1
,
p
p
.
8
7
-
8
9
,
2
0
0
7
.
[1
2
]
F
e
sta
,
C.
“
S
a
d
d
le st
it
c
h
i
n
g
:
A
b
o
v
e
a
n
d
b
e
y
o
n
d
,
”
G
a
tf
wo
rl
d
,
v
o
l.
1
9
,
n
o
.
3
,
p
p
.
3
2
-
3
3
,
2
0
0
7
.
[1
3
]
Bin
d
i
n
g
m
a
c
h
in
e
s: S
a
d
d
le stit
c
h
i
n
g
,
P
rin
ti
n
g
Im
p
re
ss
io
n
s,
v
o
l.
4
7
,
n
o
.
2
,
p
p
.
1
1
4
-
1
1
4
,
1
1
6
,
2
0
0
4
.
[1
4
]
Ka
w
a
tsu
,
Ke
n
ji
,
Hiro
y
u
k
i
Wak
a
b
a
y
a
sh
i,
a
n
d
Ko
h
j
i
Yo
sh
ie,
"
P
o
st
p
r
o
c
e
ss
i
n
g
d
e
v
ice
w
it
h
sa
d
d
le
stit
c
h
i
n
g
,
"
U.S
.
P
a
ten
t
No
.
6
,
9
2
9
,
2
5
6
,
2
0
0
5
.
[1
5
]
Blu
m
,
Je
re
m
y
.
,
“
Ex
p
lo
rin
g
A
rd
u
i
n
o
:
to
o
ls an
d
tec
h
n
i
q
u
e
s f
o
r
e
n
g
in
e
e
rin
g
w
iz
a
rd
r
y
,
”
J
o
h
n
W
il
e
y
&
S
o
n
s,
2
0
1
9
.
[1
6
]
Hu
g
h
e
s,
Jo
h
n
M
.
,
“
A
rd
u
in
o
:
A
tec
h
n
ica
l
re
f
e
r
e
n
c
e
:
A
h
a
n
d
b
o
o
k
f
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r
tec
h
n
icia
n
s,
e
n
g
in
e
e
rs,
a
n
d
m
a
k
e
rs,
"
O'
Reill
y
M
e
d
ia
,
In
c
.
,
2
0
1
6
.
[1
7
]
A
d
e
l,
Zari
f
i,
A
it
A
b
b
a
s
Ha
m
o
u
,
a
n
d
S
e
g
h
io
u
r
A
b
d
e
ll
a
ti
f
,
"
De
si
g
n
o
f
Re
a
l
-
ti
m
e
P
ID
trac
k
in
g
c
o
n
tr
o
ll
e
r
u
sin
g
A
rd
u
in
o
M
e
g
a
2
5
6
0
f
o
r
a
p
e
r
m
a
n
e
n
t
m
a
g
n
e
t
D
C
m
o
to
r
u
n
d
e
r
r
e
a
l
d
istu
rb
a
n
c
e
s,"
In
ter
n
a
ti
o
n
a
l
Co
n
fer
e
n
c
e
o
n
El
e
c
trica
l
S
c
ien
c
e
s a
n
d
T
e
c
h
n
o
lo
g
ies
in
M
a
g
h
re
b
(
CIS
T
EM
)
,
2
0
1
8
.
[1
8
]
Kip
p
h
a
n
,
He
lm
u
t,
“
Ha
n
d
b
o
o
k
o
f
p
rin
t
m
e
d
ia:
tec
h
n
o
l
o
g
ies
a
n
d
p
ro
d
u
c
ti
o
n
m
e
th
o
d
s,”
Ch
a
p
ter
se
v
e
n
,
S
p
rin
g
e
r
S
c
ien
c
e
&
Bu
sin
e
ss
M
e
d
ia
,
2
0
0
1
.
[1
9
]
D.
J.
Du
n
n
,
“
T
u
to
r
ial
in
so
li
d
m
e
c
h
a
n
ics
,
b
e
lt
m
e
c
h
a
n
icl
f
ricti
o
n
,
p
u
ll
e
y
d
riv
e
s
y
ste
m
s,
”
[
On
li
n
e
]
A
v
a
il
a
b
le
:
h
tt
p
:
//
ww
w
.
f
r
e
e
stu
d
y
.
c
o
.
u
k
/d
y
n
a
m
ic
s/p
u
ll
e
y
s.p
d
f
.
[2
0
]
T
ă
taru
,
A
.
I.
,
a
n
d
C.
N.
Dru
g
ă
,
"
De
si
g
n
in
g
a
n
d
re
a
li
z
a
ti
o
n
a
n
E
CG
b
a
se
d
th
e
A
rd
u
in
o
M
e
g
a
2
5
6
0
d
e
v
e
lo
p
m
e
n
t
b
o
a
rd
,
"
IOP
C
o
n
fer
e
n
c
e
S
e
rie
s: M
a
ter
ia
ls S
c
ien
c
e
a
n
d
En
g
in
e
e
rin
g
,
v
o
l.
5
6
8
,
n
o
.
1
,
2
0
1
9
.
[2
1
]
W
h
e
a
t
,
Da
le,
“
A
rd
u
in
o
in
ter
n
a
ls,
”
Ap
re
ss
,
2
0
1
2
.
[2
2
]
M
jh
o
o
l,
A
h
m
e
d
Ya
se
e
n
,
A
li
A
b
b
a
s
A
l
-
S
a
b
b
a
g
h
,
a
n
d
R
u
a
a
A
.
S
a
e
e
d
A
lsa
b
a
h
,
"
S
m
a
rt
P
a
rk
in
g
T
e
c
h
n
iq
u
e
s
Ba
se
d
o
n
In
tern
e
t
o
f
th
in
g
s,
"
J
o
u
rn
a
l
o
f
Ne
t
wo
rk
s a
n
d
T
e
lec
o
mm
u
n
ica
ti
o
n
S
y
ste
ms
,
v
o
l.
1
,
n
o
.
1
,
p
p
.
1
-
10
,
2
0
1
5
.
[2
3
]
P
a
a
u
l
M
il
ler,
“
A
rd
u
in
o
u
n
o
a
n
d
a
rd
u
i
n
o
m
e
g
a
2
5
6
0
g
e
t
f
rien
d
ly
n
e
w
USB
p
lu
g
s,
n
e
w
lo
o
k
,
”
N
e
w
Y
o
rk
:
Ne
w
ste
x
.
[
On
li
n
e
]
.
A
v
a
il
a
b
le:
h
tt
p
s://
se
a
rc
h
-
p
ro
q
u
e
st
-
c
o
m
.
p
o
rtal.
li
b
.
f
it
.
e
d
u
/d
o
c
v
ie
w
/7
5
4
9
3
8
3
3
2
?
a
c
c
o
u
n
ti
d
=
2
7
3
1
3
.
[2
4
]
A
ria
wa
n
,
K.
U.,
G
.
S
.
S
a
n
ty
a
d
ip
u
tra,
a
n
d
I
.
W
.
S
u
tay
a
,
"
De
sig
n
o
f
He
x
a
p
o
d
Ro
b
o
t
M
o
v
e
m
e
n
t
Ba
se
d
o
n
A
rd
u
i
n
o
M
e
g
a
2
5
6
0
.
[
J
]
,
"
J
o
u
rn
a
l
o
f
P
h
y
si
c
s
:
Co
n
fer
e
n
c
e
S
e
rie
s,
v
o
l.
2
0
1
9
,
2
0
0
9
.
[2
5
]
M
a
h
a
lak
sh
m
i,
G
.
,
a
n
d
M
.
V
ig
n
e
sh
w
a
r
a
n
,
"
IO
T
b
a
s
e
d
h
o
m
e
a
u
to
m
a
ti
o
n
u
sin
g
A
rd
u
in
o
,
"
In
t.
J
.
En
g
.
A
d
v
.
Res
.
T
e
c
h
n
o
l
,
v
o
l.
3
,
n
o
.
8
,
p
p
.
1
-
6
,
2
0
1
7
.
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