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to
m
at
ed
n
u
tr
ien
t
d
o
s
in
g
,
p
H
r
eg
u
latio
n
,
o
r
tem
p
er
at
u
r
e
-
awa
r
e
co
m
p
e
n
s
atio
n
,
r
e
s
u
ltin
g
in
u
n
s
tab
le
g
r
o
win
g
co
n
d
itio
n
s
wh
en
en
v
ir
o
n
m
en
tal
p
a
r
am
eter
s
f
lu
ctu
ate.
T
h
is
lim
itatio
n
in
d
ica
tes
a
clea
r
r
esear
ch
g
ap
in
d
ev
elo
p
in
g
an
I
o
T
-
en
ab
led
h
y
d
r
o
p
o
n
ic
s
y
s
tem
with
f
u
lly
in
teg
r
ated
au
to
m
atio
n
f
o
r
n
u
tr
ie
n
t
an
d
p
H
m
an
a
g
e
m
en
t,
s
u
p
p
o
r
te
d
b
y
r
ec
en
t
s
tu
d
ies
th
at
h
ig
h
lig
h
t
s
im
ilar
s
h
o
r
tco
m
in
g
s
[
8
]
,
[
9
]
.
T
h
e
in
teg
r
atio
n
o
f
th
ese
tech
n
o
lo
g
ies
h
as
th
e
p
o
ten
tial
to
cr
ea
te
in
tellig
en
t
h
y
d
r
o
p
o
n
ic
s
y
s
tem
s
ca
p
ab
le
o
f
ad
ap
tiv
e
an
d
ef
f
icien
t
m
o
n
it
o
r
in
g
an
d
co
n
tr
o
l
o
f
en
v
ir
o
n
m
en
tal
v
ar
iab
les
[
1
0
]
.
Su
ch
s
y
s
tem
s
ar
e
ex
p
ec
ted
n
o
t
o
n
ly
to
en
h
a
n
ce
p
r
ec
is
io
n
in
p
lan
t
m
ain
ten
a
n
ce
b
u
t a
ls
o
to
r
e
d
u
ce
d
e
p
en
d
e
n
ce
o
n
m
a
n
u
al
in
ter
v
e
n
tio
n
[
1
1
]
.
B
ased
o
n
th
is
b
ac
k
g
r
o
u
n
d
,
t
h
is
s
tu
d
y
aim
s
to
d
ev
elo
p
s
y
s
tem
m
o
n
ito
r
in
g
a
n
d
a
u
to
m
a
tic
co
n
tr
o
l
(
SMAC
)
,
an
I
o
T
-
b
ased
au
to
m
ated
s
y
s
tem
d
esig
n
e
d
t
o
m
o
n
i
to
r
an
d
r
eg
u
late
p
H
a
n
d
T
DS
lev
els
in
a
n
u
t
r
ien
t
f
ilm
tech
n
iq
u
e
(
NFT)
h
y
d
r
o
p
o
n
ic
s
y
s
tem
.
T
h
e
n
o
v
elty
o
f
th
is
r
esear
ch
lies
in
th
e
im
p
lem
en
tatio
n
o
f
an
au
to
m
atic
tem
p
er
atu
r
e
co
m
p
en
s
atio
n
(
AT
C
)
m
ec
h
an
is
m
in
teg
r
ated
in
to
a
s
en
s
o
r
-
b
ase
d
ad
ap
tiv
e
co
n
tr
o
l
s
y
s
tem
,
wh
ich
en
ab
les
r
ea
l
-
ti
m
e
co
r
r
ec
tio
n
o
f
p
H
an
d
T
DS
m
ea
s
u
r
em
en
ts
b
ased
o
n
v
ar
iatio
n
s
in
n
u
tr
ien
t
s
o
lu
tio
n
tem
p
er
atu
r
e
.
B
y
in
co
r
p
o
r
ati
n
g
tem
p
er
at
u
r
e
-
awa
r
e
co
m
p
en
s
atio
n
,
th
e
s
y
s
tem
d
y
n
am
ically
ad
ju
s
ts
n
u
tr
ien
t
d
o
s
in
g
an
d
p
H
r
eg
u
latio
n
ac
co
r
d
in
g
t
o
ac
tu
al
p
lan
t
r
eq
u
ir
em
en
ts
u
n
d
er
f
lu
ctu
atin
g
th
e
r
m
al
co
n
d
itio
n
s
.
T
h
is
ap
p
r
o
ac
h
im
p
r
o
v
es
m
ea
s
u
r
em
e
n
t
ac
cu
r
ac
y
,
co
n
tr
o
l
s
tab
ilit
y
,
an
d
n
u
tr
i
en
t
-
u
s
e
ef
f
icien
cy
,
th
er
eb
y
c
o
n
tr
ib
u
tin
g
to
t
h
e
d
e
v
elo
p
m
en
t
o
f
p
r
ec
is
io
n
,
in
telli
g
en
t,
an
d
s
u
s
tain
ab
le
h
y
d
r
o
p
o
n
ic
ag
r
icu
ltu
r
e
.
T
h
e
m
ain
co
n
tr
ib
u
tio
n
s
o
f
th
is
s
tu
d
y
ar
e
as
f
o
llo
ws:
Dev
elo
p
m
en
t
o
f
an
I
o
T
-
b
ased
h
y
d
r
o
p
o
n
ic
co
n
tr
o
l
s
y
s
tem
u
s
in
g
a
d
u
al
-
m
icr
o
co
n
tr
o
ller
ar
c
h
itectu
r
e,
en
ab
lin
g
d
is
tr
ib
u
ted
s
en
s
in
g
,
ac
tu
atio
n
,
an
d
clo
u
d
in
teg
r
atio
n
.
I
n
teg
r
atio
n
o
f
an
AT
C
m
ec
h
an
is
m
f
o
r
p
H
a
n
d
T
DS
m
ea
s
u
r
em
en
ts
to
e
n
h
a
n
ce
ac
cu
r
ac
y
u
n
d
er
f
lu
ctu
atin
g
th
e
r
m
al
co
n
d
itio
n
s
.
E
x
p
er
im
en
tal
v
alid
atio
n
o
f
th
e
s
y
s
tem
,
d
em
o
n
s
tr
atin
g
i
m
p
r
o
v
e
d
s
tab
ilit
y
,
m
ea
s
u
r
em
en
t a
cc
u
r
a
cy
,
a
n
d
ad
ap
tiv
e
r
esp
o
n
s
e
in
m
ain
tain
in
g
o
p
tim
al
h
y
d
r
o
p
o
n
ic
n
u
tr
ien
t c
o
n
d
itio
n
s
.
2.
M
E
T
H
O
D
AND
P
RO
P
O
SE
D
DE
S
I
G
N
T
h
is
s
tu
d
y
u
s
es
an
ex
p
er
im
e
n
tal,
s
y
s
tem
s
en
g
in
ee
r
in
g
a
p
p
r
o
ac
h
t
o
d
esig
n
,
im
p
lem
e
n
t,
an
d
test
an
I
o
T
-
b
ased
a
u
to
m
ated
h
y
d
r
o
p
o
n
ic
co
n
tr
o
l
s
y
s
tem
in
teg
r
atin
g
p
H,
T
DS,
an
d
tem
p
er
atu
r
e
s
e
n
s
o
r
s
.
T
h
e
s
y
s
tem
m
ain
tain
s
o
p
tim
al
n
u
tr
ien
t
c
o
n
d
itio
n
s
in
r
ea
l
tim
e,
im
p
r
o
v
in
g
m
ain
te
n
an
ce
ef
f
icien
c
y
an
d
s
u
p
p
o
r
tin
g
h
ea
lth
ier
p
lan
t g
r
o
wth
.
2
.
1
.
H
y
dro
po
nic N
F
T
m
et
ho
d
Hy
d
r
o
p
o
n
ic
s
y
s
tem
s
co
n
s
is
t
o
f
s
ev
er
al
ty
p
es,
i
n
clu
d
in
g
th
e
wick
s
y
s
tem
,
d
r
i
p
s
y
s
tem
,
eb
b
an
d
f
lo
w
s
y
s
tem
,
d
ee
p
wate
r
cu
ltu
r
e,
NFT,
an
d
ae
r
o
p
o
n
ics
[
1
2
]
,
[
1
3
]
.
T
h
e
NFT
h
y
d
r
o
p
o
n
ic
m
eth
o
d
o
p
er
ates
b
y
f
lo
win
g
a
th
i
n
lay
er
o
f
n
u
tr
ie
n
t
s
o
lu
tio
n
th
r
o
u
g
h
ch
a
n
n
els
p
o
s
itio
n
ed
at
a
ce
r
tain
h
eig
h
t
[
1
4
]
,
en
ab
lin
g
p
lan
t
r
o
o
ts
to
co
n
tin
u
o
u
s
ly
r
ec
ei
v
e
n
u
tr
ien
ts
an
d
o
x
y
g
en
wh
ile
s
im
u
ltan
eo
u
s
ly
p
r
ev
e
n
tin
g
r
o
o
t
r
o
t.
T
h
e
p
r
im
ar
y
ad
v
an
tag
e
o
f
th
e
NFT
s
y
s
tem
lies
in
th
e
s
tab
ili
ty
o
f
wate
r
an
d
n
u
tr
ie
n
t
s
u
p
p
ly
th
at
is
co
n
s
is
ten
tly
av
ailab
le
ar
o
u
n
d
th
e
p
lan
t
r
o
o
ts
.
T
h
is
s
y
s
tem
is
m
o
s
t
s
u
itab
le
f
o
r
p
lan
t
s
with
s
m
all
r
o
o
t
s
tr
u
ctu
r
es,
s
u
ch
as
s
tr
awb
er
r
ies,
ce
ler
y
,
a
n
d
lettu
ce
.
T
h
e
NFT
m
eth
o
d
was
s
elec
ted
f
o
r
au
to
m
ated
co
n
tr
o
l:
c
o
n
tin
u
o
u
s
f
lo
w
en
ab
les
r
ap
id
d
etec
tio
n
an
d
r
esp
o
n
s
e,
s
h
allo
w
lay
er
s
im
p
r
o
v
e
e
f
f
icien
cy
,
a
n
d
s
im
p
le
c
h
an
n
els
ea
s
e
in
teg
r
atio
n
with
s
en
s
o
r
s
,
ac
tu
ato
r
s
,
an
d
I
o
T
m
o
n
ito
r
in
g
.
T
h
e
p
r
o
p
o
s
ed
s
y
s
tem
u
tili
ze
s
an
NFT
s
etu
p
eq
u
ip
p
ed
wit
h
SMAC,
a
cu
s
to
m
-
d
ev
elo
p
e
d
p
latf
o
r
m
d
esig
n
ed
to
m
ain
tain
n
u
tr
ien
t
co
n
ce
n
tr
atio
n
an
d
p
H
lev
e
ls
au
to
m
atica
lly
in
r
ea
l
tim
e
.
Un
lik
e
p
r
ev
io
u
s
h
y
d
r
o
p
o
n
ic
s
y
s
tem
s
,
wh
ich
p
r
im
ar
ily
f
o
cu
s
o
n
m
o
n
ito
r
in
g
with
o
u
t
ad
ap
tiv
e
co
n
tr
o
l
ca
p
ab
ilit
ies
[
1
5
]
,
th
e
SMAC
s
y
s
tem
ac
tiv
ely
r
eg
u
lates
n
u
tr
ien
t
ad
d
itio
n
an
d
p
H
ad
ju
s
tm
en
t
b
ased
o
n
r
ea
l
-
tim
e
s
en
s
o
r
in
p
u
ts
.
T
h
e
co
n
tr
o
l
alg
o
r
ith
m
m
o
d
u
lates
th
e
d
eliv
er
y
o
f
AB
m
ix
s
o
lu
tio
n
an
d
p
H
-
b
ala
n
cin
g
ag
e
n
ts
to
m
ain
tain
co
n
d
itio
n
s
with
in
r
ec
o
m
m
en
d
e
d
th
r
esh
o
l
d
s
—
5
6
0
to
8
4
0
p
p
m
f
o
r
n
u
tr
i
en
t
co
n
ce
n
tr
atio
n
[
1
6
]
,
[
1
7
]
an
d
5
.
5
to
6
.
5
f
o
r
p
H
lev
els
[
1
8
]
,
[
1
9
]
.
T
h
is
ap
p
r
o
ac
h
n
o
t
o
n
ly
e
n
h
an
ce
s
th
e
ef
f
icien
c
y
o
f
h
y
d
r
o
p
o
n
ic
s
y
s
tem
m
ain
ten
a
n
ce
b
u
t
also
m
in
im
izes
h
u
m
an
in
te
r
v
en
tio
n
,
r
ed
u
ce
s
th
e
r
is
k
o
f
m
ea
s
u
r
em
en
t
er
r
o
r
s
,
an
d
e
n
ab
les
r
e
m
o
te
m
o
n
ito
r
in
g
a
n
d
co
n
tr
o
l
th
r
o
u
g
h
an
I
o
T
p
latf
o
r
m
.
C
o
n
s
eq
u
en
tly
,
th
e
p
r
o
p
o
s
e
d
NFT
-
b
ased
SMAC
h
y
d
r
o
p
o
n
ic
d
esig
n
p
r
o
v
id
es
a
s
u
b
s
tan
tial
im
p
r
o
v
e
m
en
t
in
s
y
s
tem
ad
ap
tiv
e
r
esp
o
n
s
e,
r
es
o
u
r
ce
u
tili
za
tio
n
ef
f
icien
c
y
,
a
n
d
s
tab
ilit
y
o
f
p
lan
t
g
r
o
wth
co
n
d
itio
n
s
co
m
p
ar
ed
to
p
r
ev
i
o
u
s
ly
d
ev
elo
p
ed
au
to
m
ated
s
y
s
tem
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
AE
S
I
n
t
J
R
o
b
&
A
u
to
m
I
SS
N:
2722
-
2
5
8
6
S
MAC:
S
ystem
fo
r
mo
n
ito
r
in
g
a
n
d
a
u
to
m
a
tic
co
n
tr
o
l o
f wa
ter,
n
u
tr
ien
ts
,
a
n
d
…
(
F
r
en
g
ki
S
ima
tu
p
a
n
g
)
367
2
.
2
.
Sy
s
t
em
a
rc
hite
ct
ure
T
h
e
s
y
s
tem
in
teg
r
ates
h
ar
d
war
e
an
d
s
o
f
twar
e
f
o
r
r
ea
l
-
tim
e
m
o
n
ito
r
in
g
an
d
au
to
m
ated
h
y
d
r
o
p
o
n
ic
co
n
tr
o
l
u
s
in
g
d
u
al
-
m
icr
o
co
n
tr
o
ller
ar
ch
itectu
r
e.
T
h
e
Ar
d
u
in
o
Un
o
h
an
d
les
p
r
ec
is
e
s
en
s
o
r
r
ea
d
in
g
s
(
p
H,
T
DS
,
tem
p
er
atu
r
e)
a
n
d
ac
tu
ato
r
co
n
tr
o
l,
wh
ile
th
e
E
SP
3
2
m
a
n
a
g
es
W
i
-
Fi
co
m
m
u
n
icatio
n
an
d
d
ata
p
r
o
ce
s
s
in
g
.
Sen
s
o
r
d
ata
a
r
e
tr
a
n
s
m
itted
v
ia
u
n
iv
e
r
s
al
asy
n
ch
r
o
n
o
u
s
r
e
ce
iv
er
/tra
n
s
m
itter
(
UART)
to
th
e
E
SP
3
2
,
wh
ich
p
u
b
lis
h
es
th
em
to
B
ly
n
k
p
latf
o
r
m
f
o
r
r
em
o
te
m
o
n
it
o
r
in
g
[
2
0
]
.
T
h
is
d
esig
n
en
h
a
n
ce
s
m
o
d
u
lar
ity
,
r
ed
u
ce
s
p
r
o
ce
s
s
in
g
lo
ad
,
an
d
e
n
s
u
r
es
r
eliab
le
lo
ca
l
co
n
tr
o
l
d
esp
ite
n
etwo
r
k
in
s
tab
ilit
y
.
Fig
u
r
e
1
p
r
esen
ts
th
e
co
m
p
lete
s
y
s
tem
ar
ch
itectu
r
e,
in
clu
d
i
n
g
th
e
co
n
tr
o
ller
s
,
s
en
s
o
r
s
,
ac
tu
ato
r
s
,
co
m
m
u
n
icatio
n
p
ath
way
s
,
an
d
I
o
T
in
ter
f
ac
e.
Ar
d
u
in
o
Un
o
was
ch
o
s
en
f
o
r
its
s
tab
le
ADC
an
d
r
eliab
le
co
n
tr
o
l
o
f
p
H,
T
D
S,
an
d
tem
p
er
at
u
r
e
s
en
s
o
r
s
.
T
h
e
E
SP
3
2
p
r
o
v
id
e
s
W
i
-
Fi
an
d
h
ig
h
er
p
r
o
ce
s
s
in
g
f
o
r
I
o
T
co
m
m
u
n
icatio
n
.
Sep
ar
atin
g
co
n
t
r
o
l
(
Ar
d
u
in
o
)
an
d
n
etwo
r
k
in
g
(
E
SP
3
2
)
im
p
r
o
v
es
m
o
d
u
lar
ity
,
r
ed
u
ce
s
in
ter
f
er
e
n
ce
,
an
d
en
s
u
r
es
co
n
tin
u
o
u
s
o
p
er
atio
n
u
n
d
er
u
n
s
tab
le
co
n
n
ec
tiv
ity
.
B
o
th
ar
e
co
s
t
-
ef
f
ec
tiv
e,
wid
ely
s
u
p
p
o
r
ted
,
an
d
s
u
itab
le
f
o
r
s
ca
lab
le
h
y
d
r
o
p
o
n
ic
au
to
m
atio
n
.
Fig
u
r
e
1
.
Sy
s
tem
ar
c
h
itectu
r
e
2
.
3
.
Co
ntr
o
l
pa
ra
m
e
t
er
s
a
nd
o
ptim
a
l r
a
ng
e
B
ased
o
n
th
e
liter
atu
r
e
r
ev
iew
an
d
th
e
ex
p
e
r
im
en
tal
r
eq
u
ir
e
m
en
ts
o
f
th
e
h
y
d
r
o
p
o
n
ic
s
y
s
tem
,
o
p
tim
al
r
an
g
es
f
o
r
ea
ch
m
o
n
ito
r
ed
en
v
ir
o
n
m
e
n
tal
p
a
r
am
eter
wer
e
e
s
tab
lis
h
ed
as
r
ef
er
e
n
ce
s
f
o
r
th
e
au
to
m
atic
co
n
tr
o
l
p
r
o
ce
s
s
.
T
h
ese
p
ar
am
eter
s
i
n
clu
d
e
p
H
v
al
u
e,
T
DS
c
o
n
c
en
tr
atio
n
,
a
n
d
n
u
tr
ie
n
t
s
o
lu
ti
o
n
tem
p
er
atu
r
e,
as
s
u
m
m
ar
ized
in
T
ab
le
1
[
2
1
]
,
[
2
2
]
.
T
h
e
p
H
is
m
ain
tain
ed
at
5
.
5
–
6
.
5
f
o
r
o
p
tim
al
n
u
tr
ien
t u
p
t
ak
e,
T
DS
at
5
6
0
to
8
4
0
p
p
m
f
o
r
b
al
an
ce
d
n
u
tr
iti
o
n
,
an
d
t
em
p
e
r
a
tu
r
e
at
1
8
–
2
4
°
C
t
o
s
u
p
p
o
r
t
p
l
an
t m
e
ta
b
o
lis
m
an
d
s
y
s
te
m
s
ta
b
il
i
t
y.
T
ab
le
1
d
ef
in
es
th
e
co
n
tr
o
l
th
r
esh
o
ld
s
.
W
h
en
v
alu
es
d
ev
ia
te
f
r
o
m
o
p
tim
al
lim
its
,
th
e
s
y
s
tem
au
to
m
atica
lly
ac
tiv
ates a
ctu
ato
r
s
(
n
u
tr
ien
t,
p
H,
an
d
wate
r
p
u
m
p
s
,
an
d
co
o
lin
g
f
an
s
)
t
o
r
esto
r
e
id
ea
l c
o
n
d
it
io
n
s
[
2
3
]
.
T
ab
le
1
.
Op
tim
al
r
a
n
g
es o
f
m
o
n
ito
r
ed
p
a
r
am
eter
s
No
P
a
r
a
me
t
e
r
O
p
t
i
mal
R
a
n
g
e
1
pH
5
.
5
-
6
.
5
2
TD
S
5
6
0
-
8
4
0
p
p
m
3
Te
mp
e
r
a
t
u
r
e
18
-
24
°
C
2
.
4
.
Aut
o
m
a
t
ic
t
e
m
pera
t
ure
co
mp
ens
a
t
io
n
T
em
p
er
atu
r
e
af
f
ec
ts
c
o
n
d
u
ctiv
ity
an
d
io
n
m
o
b
ilit
y
,
ca
u
s
in
g
d
ev
iatio
n
s
in
T
DS
an
d
p
H
r
e
ad
in
g
s
.
T
o
m
itig
ate
th
is
,
AT
C
ad
ju
s
ts
m
ea
s
u
r
em
en
ts
b
ased
o
n
ac
tu
al
s
o
lu
tio
n
tem
p
er
atu
r
e,
im
p
r
o
v
in
g
ac
cu
r
ac
y
[
2
4
]
.
T
h
is
en
ab
les m
o
r
e
p
r
ec
is
e
n
u
tr
ien
t a
n
d
p
H
c
o
n
tr
o
l,
en
h
a
n
cin
g
s
y
s
tem
s
tab
ilit
y
an
d
r
eliab
ilit
y
.
2
.
4
.
1
.
T
em
pera
t
ure
co
m
pens
a
t
io
n
in T
DS
m
ea
s
urem
ent
T
DS
m
ea
s
u
r
em
en
ts
ar
e
af
f
ec
ted
b
y
s
o
lu
tio
n
tem
p
e
r
atu
r
e;
h
i
g
h
er
tem
p
er
at
u
r
es
in
cr
ea
s
e
co
n
d
u
ctiv
ity
,
lead
in
g
to
in
f
lated
r
ea
d
i
n
g
s
d
esp
ite
u
n
ch
a
n
g
ed
n
u
tr
ien
t
co
n
ce
n
tr
atio
n
.
T
h
e
r
ef
o
r
e,
A
T
C
is
r
eq
u
ir
ed
f
o
r
ac
cu
r
ate
m
ea
s
u
r
em
e
n
t.
T
h
e
te
m
p
er
atu
r
e
-
c
o
m
p
e
n
s
ated
T
DS v
alu
e
is
ca
lcu
lated
u
s
in
g
(
1
)
.
=
1
+
(
−
)
(
1
)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
7
2
2
-
2
5
8
6
I
AE
S
I
n
t
J
R
o
b
&
A
u
to
m
,
Vo
l
.
1
5
,
No
.
2
,
J
u
n
e
20
2
6
:
365
-
3
7
6
368
is
th
e
tem
p
er
atu
r
e
-
co
m
p
en
s
at
ed
T
DS
v
alu
e
(
p
p
m
)
,
is
th
e
r
aw
T
DS
v
alu
e
d
ir
ec
tly
m
ea
s
u
r
e
d
b
y
th
e
s
en
s
o
r
(
p
p
m
)
,
is
th
e
m
ea
s
u
r
ed
tem
p
er
atu
r
e
o
f
th
e
s
o
lu
tio
n
(
°C
)
,
is
th
e
r
ef
e
r
en
c
e
tem
p
er
atu
r
e
u
s
ed
as
a
s
tan
d
ar
d
,
s
et
at
2
5
°C
,
is
th
e
T
DS
tem
p
er
atu
r
e
co
ef
f
icien
t
with
a
v
alu
e
o
f
0
.
0
2
p
er
°C
.
T
h
is
eq
u
atio
n
co
r
r
ec
ts
T
DS
f
o
r
tem
p
er
atu
r
e
r
elativ
e
to
2
5
°C
,
d
ec
r
ea
s
in
g
v
alu
es
ab
o
v
e
an
d
in
cr
ea
s
in
g
v
alu
es
b
elo
w
it,
im
p
r
o
v
in
g
ac
c
u
r
ac
y
an
d
s
tab
ilit
y
f
o
r
r
eliab
le
n
u
t
r
ien
t c
o
n
tr
o
l.
2
.
4
.
2
.
T
em
pera
t
ure
co
m
pens
a
t
io
n
in pH
m
ea
s
urem
ent
T
h
e
p
H
m
ea
s
u
r
em
en
ts
ar
e
af
f
ec
ted
b
y
tem
p
e
r
atu
r
e,
wh
ich
alter
s
h
y
d
r
o
g
e
n
io
n
(
H⁺)
ac
t
iv
ity
an
d
s
en
s
o
r
elec
tr
o
d
e
r
esp
o
n
s
e,
r
e
d
u
cin
g
ac
c
u
r
ac
y
.
T
h
er
e
f
o
r
e,
AT
C
is
r
eq
u
ir
ed
to
en
s
u
r
e
c
o
n
s
is
ten
t
an
d
ac
cu
r
ate
r
ea
d
in
g
s
.
T
h
e
tem
p
er
atu
r
e
-
co
m
p
en
s
ated
p
H
v
al
u
e
is
ca
lcu
lated
u
s
in
g
(
2
)
,
as f
o
llo
ws:
(
)
=
+
(
−
)
(
2
)
is
th
e
tem
p
er
atu
r
e
-
c
o
m
p
e
n
s
ated
p
H
v
alu
e
,
is
th
e
r
aw
p
H
v
alu
e
d
ir
ec
tly
m
ea
s
u
r
e
d
b
y
th
e
p
H
s
en
s
o
r
,
is
th
e
m
ea
s
u
r
ed
tem
p
er
atu
r
e
o
f
t
h
e
n
u
tr
ie
n
t
s
o
lu
tio
n
(
°C
)
,
is
th
e
r
ef
er
en
ce
tem
p
e
r
atu
r
e
u
s
ed
as
a
s
tan
d
ar
d
,
s
et
at
2
5
°
C
,
is
t
h
e
tem
p
er
atu
r
e
co
r
r
ec
tio
n
co
ef
f
icien
t
with
a
v
alu
e
o
f
0
.
0
3
p
H
p
er
°C
.
T
h
i
s
eq
u
atio
n
ad
ju
s
ts
p
H
r
elativ
e
to
tem
p
er
atu
r
e:
lo
wer
tem
p
er
atu
r
es
in
cr
ea
s
e
p
H,
wh
ile
h
ig
h
er
tem
p
er
atu
r
es
d
ec
r
ea
s
e
it,
im
p
r
o
v
in
g
ac
c
u
r
ac
y
an
d
s
tab
ilit
y
f
o
r
o
p
tim
al
n
u
tr
ien
t c
o
n
tr
o
l.
2
.
5
.
Sy
s
t
em
co
ntr
o
l a
l
g
o
rit
hm
f
o
r
SM
AC
T
h
e
s
y
s
tem
u
s
es
a
th
r
esh
o
ld
-
b
ased
co
n
t
r
o
l
alg
o
r
ith
m
to
m
a
in
tain
p
H,
T
DS,
an
d
tem
p
e
r
at
u
r
e
with
in
o
p
tim
al
r
an
g
es,
as illu
s
tr
ated
i
n
Fig
u
r
e
2
.
T
h
e
s
y
s
tem
s
am
p
les p
H,
T
DS,
an
d
tem
p
er
atu
r
e
ev
er
y
5
s
ec
o
n
d
s
an
d
ap
p
lies
AT
C
f
o
r
ac
cu
r
ate
r
ea
d
in
g
s
.
I
f
tem
p
er
atu
r
e
ex
ce
e
d
s
s
af
e
lim
its
,
a
s
af
ety
lo
ck
d
is
ab
les
all
ac
tu
ato
r
s
.
Oth
er
wis
e,
p
H
is
ad
ju
s
ted
v
ia
p
H
Up
/Do
wn
p
u
m
p
s
,
a
n
d
T
DS
is
co
n
tr
o
lled
u
s
in
g
th
e
n
u
tr
ien
t
p
u
m
p
(
<5
6
0
p
p
m
)
o
r
Aq
u
a
d
es
(
d
is
till
ed
wate
r
)
p
u
m
p
(
>8
4
0
p
p
m
)
.
All
d
ata
an
d
ac
tu
ato
r
s
tatu
s
es
ar
e
tr
an
s
m
itted
to
th
e
I
o
T
p
latf
o
r
m
f
o
r
r
ea
l
-
tim
e
m
o
n
ito
r
in
g
,
en
s
u
r
i
n
g
s
tab
le
an
d
r
eliab
le
co
n
t
r
o
l.
Fig
u
r
e
2
.
Flo
wch
ar
t
s
y
s
tem
f
o
r
SMAC
Evaluation Warning : The document was created with Spire.PDF for Python.
I
AE
S
I
n
t
J
R
o
b
&
A
u
to
m
I
SS
N:
2722
-
2
5
8
6
S
MAC:
S
ystem
fo
r
mo
n
ito
r
in
g
a
n
d
a
u
to
m
a
tic
co
n
tr
o
l o
f wa
ter,
n
u
tr
ien
ts
,
a
n
d
…
(
F
r
en
g
ki
S
ima
tu
p
a
n
g
)
369
2
.
6
.
E
x
perim
ent
a
l
s
et
up
T
h
e
SMAC s
y
s
tem
wa
s
ev
alu
ated
u
s
in
g
a
lab
o
r
ato
r
y
-
s
ca
le
NFT
h
y
d
r
o
p
o
n
ic
s
etu
p
e
q
u
ip
p
ed
with
p
H,
T
DS,
an
d
tem
p
er
at
u
r
e
s
en
s
o
r
s
,
to
g
eth
er
with
n
u
tr
ien
t,
p
H
U
p
,
p
H
Do
wn
[
2
5
]
,
an
d
Aq
u
a
d
e
s
p
u
m
p
s
,
as
well
as
a
co
o
lin
g
f
an
.
Sen
s
o
r
r
ea
d
in
g
s
wer
e
co
llected
ev
er
y
5
s
ec
o
n
d
s
,
p
r
o
ce
s
s
ed
th
r
o
u
g
h
th
e
A
T
C
m
ec
h
an
is
m
,
an
d
u
s
ed
to
t
r
ig
g
er
ac
tu
ato
r
r
esp
o
n
s
es
b
ased
o
n
p
r
ed
ef
i
n
ed
c
o
n
tr
o
l
r
u
les.
T
h
e
s
y
s
tem
o
p
e
r
ated
with
a
d
u
al
-
m
icr
o
co
n
tr
o
ller
co
n
f
i
g
u
r
atio
n
,
wh
er
e
th
e
Ar
d
u
in
o
Un
o
h
an
d
led
s
en
s
in
g
an
d
ac
tu
atio
n
wh
ile
th
e
E
SP
3
2
m
an
ag
ed
I
o
T
co
m
m
u
n
icatio
n
.
T
h
e
ex
p
e
r
im
en
t
was
c
o
n
d
u
cted
o
v
er
a
3
-
h
o
u
r
c
o
n
tin
u
o
u
s
tes
tin
g
p
e
r
io
d
,
d
u
r
in
g
wh
ich
th
r
ee
ca
teg
o
r
ies
o
f
test
s
wer
e
p
er
f
o
r
m
ed
.
First,
s
en
s
o
r
ac
cu
r
ac
y
was
v
alid
ated
ac
r
o
s
s
tem
p
er
atu
r
es
o
f
20
–
2
7
°C
,
with
f
iv
e
m
ea
s
u
r
em
en
t
r
ep
etitio
n
s
at
ea
ch
tem
p
er
atu
r
e
p
o
in
t.
Seco
n
d
,
s
y
s
tem
r
esp
o
n
s
iv
en
ess
was
ass
es
s
ed
th
r
o
u
g
h
co
n
tr
o
lled
d
is
tu
r
b
an
ce
s
:
s
o
lu
tio
n
tem
p
er
atu
r
e
was
r
aised
ab
o
v
e
2
4
°C
,
p
H
was
s
h
if
ted
o
u
ts
id
e
th
e
5
.
5
–
6
.
5
r
a
n
g
e,
an
d
T
DS
was
v
ar
ied
b
ey
o
n
d
5
6
0
–
8
4
0
p
p
m
b
y
ad
d
in
g
eith
er
n
u
tr
ien
t
s
o
lu
tio
n
o
r
Aq
u
ad
es.
E
ac
h
d
is
tu
r
b
a
n
ce
s
ce
n
ar
io
was
ex
ec
u
ted
in
th
r
ee
i
n
d
ep
en
d
en
t
tr
ials
to
en
s
u
r
e
r
e
p
ea
tab
ilit
y
.
Fin
ally
,
an
u
n
in
te
r
r
u
p
te
d
o
p
er
atio
n
te
s
t
was
ca
r
r
ied
o
u
t
to
o
b
s
er
v
e
ac
tu
ato
r
r
eliab
ilit
y
,
s
en
s
o
r
s
tab
ilit
y
,
an
d
I
o
T
co
m
m
u
n
icatio
n
p
e
r
f
o
r
m
an
ce
t
h
r
o
u
g
h
o
u
t
th
e
f
u
ll
d
u
r
ati
o
n
.
All
r
aw
an
d
AT
C
-
co
r
r
ec
ted
s
en
s
o
r
d
ata,
alo
n
g
with
ac
tu
ato
r
s
tates,
wer
e
tr
an
s
m
it
ted
to
th
e
I
o
T
d
ash
b
o
ar
d
f
o
r
r
ea
l
-
tim
e
m
o
n
ito
r
in
g
an
d
lo
g
g
ed
f
o
r
s
u
b
s
eq
u
e
n
t
an
aly
s
is
.
T
h
ese
d
ata
wer
e
u
s
e
d
to
ev
al
u
ate
th
e
s
tab
ilit
y
,
r
es
p
o
n
s
iv
en
ess
,
an
d
o
v
e
r
all
co
n
f
o
r
m
ity
o
f
th
e
s
y
s
tem
with
th
e
d
esig
n
ed
c
o
n
tr
o
l a
l
g
o
r
ith
m
.
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
3
.
1
.
H
a
rdwa
re
a
nd
s
o
f
t
wa
re
im
p
lem
ent
a
t
io
n
T
h
e
s
y
s
tem
was
im
p
lem
en
ted
b
y
in
teg
r
atin
g
h
a
r
d
war
e
an
d
s
o
f
twar
e
an
d
test
ed
o
n
a
lab
o
r
a
to
r
y
-
s
ca
le
h
y
d
r
o
p
o
n
ic
s
etu
p
with
s
tan
d
a
r
d
n
u
tr
ie
n
t
s
o
lu
tio
n
.
Fig
u
r
e
3
s
h
o
ws
th
e
r
ea
l
-
tim
e
m
o
n
ito
r
i
n
g
s
y
s
tem
d
is
p
lay
in
g
p
H,
T
DS,
an
d
tem
p
er
atu
r
e
with
tim
estam
p
s
f
o
r
d
ir
ec
t
o
b
s
er
v
atio
n
o
f
o
p
er
atin
g
c
o
n
d
itio
n
s
.
T
h
e
s
y
s
tem
in
clu
d
es
a
d
ata
h
is
to
r
y
f
ea
tu
r
e
as
s
h
o
wn
in
Fig
u
r
e
3
,
f
o
r
a
n
a
ly
zin
g
tr
en
d
s
,
s
tab
ilit
y
,
an
d
c
o
n
tr
o
l
p
er
f
o
r
m
a
n
ce
,
with
I
o
T
in
teg
r
atio
n
e
n
ab
lin
g
r
em
o
te
m
o
n
ito
r
in
g
.
Har
d
war
e
co
m
p
o
n
en
ts
ar
e
h
o
u
s
ed
in
a
wo
o
d
e
n
e
n
clo
s
u
r
e
f
o
r
p
r
o
tectio
n
an
d
ef
f
icien
t
lay
o
u
t.
T
h
e
NFT
-
b
ased
s
etu
p
c
o
m
p
r
is
es
p
lan
tin
g
ch
an
n
els,
a
r
eser
v
o
ir
,
a
p
u
m
p
,
an
d
a
s
u
p
p
o
r
t f
r
am
e,
e
n
ab
lin
g
co
n
tin
u
o
u
s
n
u
tr
ien
t
f
lo
w,
ef
f
ic
ien
t r
eso
u
r
ce
u
s
e,
a
n
d
s
ca
lab
le
ap
p
licatio
n
.
Har
d
war
e
L
ay
o
u
t
R
ea
l T
im
e
Mo
n
ito
r
in
g
NFT
Hy
d
r
o
p
o
n
ic
Fig
u
r
e
3
.
I
m
p
lem
en
tatio
n
3.
2
.
T
esting
a
nd
a
na
ly
s
i
s
o
f
re
s
ul
t
s
Sy
s
tem
test
in
g
ev
alu
ated
s
en
s
o
r
ac
cu
r
ac
y
,
ac
tu
ato
r
r
esp
o
n
s
e,
co
n
tr
o
l
s
tab
ilit
y
,
an
d
th
e
r
e
liab
ilit
y
o
f
th
e
I
o
T
-
b
ased
m
o
n
ito
r
in
g
s
y
s
t
em
in
lin
e
with
th
e
im
p
lem
en
t
ed
alg
o
r
ith
m
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
7
2
2
-
2
5
8
6
I
AE
S
I
n
t
J
R
o
b
&
A
u
to
m
,
Vo
l
.
1
5
,
No
.
2
,
J
u
n
e
20
2
6
:
365
-
3
7
6
370
3
.
2
.
1
.
Sens
o
r
a
cc
ura
cy
t
esting
Sen
s
o
r
ac
cu
r
ac
y
was
ev
alu
at
ed
b
y
c
o
m
p
ar
i
n
g
p
H,
T
DS,
an
d
tem
p
er
at
u
r
e
r
ea
d
in
g
s
with
s
tan
d
ar
d
in
s
tr
u
m
en
ts
.
B
o
th
r
aw
an
d
A
T
C
-
co
m
p
en
s
ated
d
ata
wer
e
a
n
aly
ze
d
t
o
v
er
if
y
im
p
r
o
v
ed
s
tab
ilit
y
an
d
clo
s
er
ag
r
ee
m
en
t w
ith
r
e
f
er
en
ce
v
alu
es.
T
ab
le
2
s
h
o
ws
r
aw
p
H
d
ev
iati
o
n
s
f
r
o
m
r
e
f
er
en
ce
v
alu
es
wh
en
tem
p
er
at
u
r
e
d
if
f
er
s
f
r
o
m
2
5
°C
,
with
er
r
o
r
s
u
p
to
0
.
4
0
(
h
ig
h
est
at
2
0
°C
)
.
Hig
h
er
tem
p
er
atu
r
es
d
ec
r
ea
s
e
p
H
r
ea
d
in
g
s
,
wh
ile
lo
wer
tem
p
er
atu
r
es
in
cr
ea
s
e
th
em
.
AT
C
r
ed
u
ce
s
tem
p
er
atu
r
e
ef
f
ec
ts
,
ac
h
iev
in
g
ze
r
o
er
r
o
r
at
2
5
°C
an
d
lo
w
er
r
o
r
at
2
4
°C
(
0
.
1
3
)
,
b
u
t la
r
g
er
er
r
o
r
s
at
ex
tr
em
es (
2
0
°C
: 0
.
5
5
; 2
7
°C
: 0
.
2
6
)
,
r
ef
l
ec
tin
g
lim
its
o
f
th
e
lin
ea
r
m
o
d
el
(
β =
0
.
0
3
p
H/°C
)
.
Alth
o
u
g
h
av
e
r
ag
e
AT
C
er
r
o
r
(
0
.
2
3
)
s
lig
h
tly
ex
ce
e
d
s
r
aw
er
r
o
r
(
0
.
1
7
)
,
it
im
p
r
o
v
es
s
tab
ilit
y
an
d
r
ed
u
ce
s
in
co
r
r
ec
t c
o
n
tr
o
l a
ctio
n
s
.
T
ab
le
2
.
p
H
s
en
s
o
r
ac
cu
r
ac
y
t
esti
n
g
with
an
d
with
o
u
t A
T
C
No
Te
mp
e
r
a
t
u
r
e
(
°
C
)
p
H
R
e
f
e
r
e
n
c
e
p
H
R
a
w
Er
r
o
r
R
a
w
p
H
A
T
C
Er
r
o
r
A
TC
1
20
6
.
5
6
.
9
0
.
4
0
7
.
0
6
0
.
5
5
2
22
6
.
5
6
.
7
0
.
2
0
6
.
7
9
0
.
2
9
3
24
6
.
5
6
.
6
0
.
1
0
6
.
6
3
0
.
1
3
4
25
6
.
5
6
.
5
0
.
0
0
6
.
5
0
0
.
0
0
5
26
6
.
5
6
.
4
0
.
1
0
6
.
3
7
0
.
1
3
6
27
6
.
5
6
.
3
0
.
2
0
6
.
2
4
0
.
2
6
T
ab
le
3
s
h
o
ws
th
at
tem
p
er
atu
r
e
s
ig
n
if
ican
tly
af
f
ec
ts
T
DS
m
ea
s
u
r
em
en
ts
(
2
0
–
2
7
°C
,
8
0
0
p
p
m
r
ef
er
en
ce
)
,
with
r
aw
er
r
o
r
s
o
f
2
0
–
1
0
0
p
p
m
,
h
ig
h
est at
2
0
°C
.
AT
C
im
p
r
o
v
es a
cc
u
r
ac
y
n
ea
r
2
5
°C
,
ac
h
iev
in
g
a
m
in
im
u
m
er
r
o
r
o
f
4
.
1
p
p
m
at
2
4
°C
,
b
u
t
er
r
o
r
s
in
cr
ea
s
e
at
ex
tr
em
es
(
2
0
°C
:
2
0
0
p
p
m
;
2
7
°C
:
1
0
7
.
7
p
p
m
)
,
r
ef
lectin
g
lim
its
o
f
th
e
lin
ea
r
m
o
d
el
(
α
=
0
.
0
2
)
.
Desp
ite
t
h
is
,
AT
C
s
tab
ilizes
m
ea
s
u
r
e
m
en
ts
an
d
im
p
r
o
v
es
co
n
tr
o
l c
o
n
s
is
ten
cy
.
T
ab
le
3
.
T
DS sen
s
o
r
ac
cu
r
ac
y
test
in
g
with
an
d
with
o
u
t A
T
C
No
Te
mp
e
r
a
t
u
r
e
(
°
C
)
TD
S
R
e
f
e
r
e
n
c
e
(
p
p
m)
TD
S
R
a
w
(
p
p
m)
Er
r
o
r
R
a
w
TD
S
A
TC
(
p
p
m)
Er
r
o
r
A
TC
1
20
8
0
0
9
0
0
1
0
0
1
0
0
0
2
0
0
2
22
8
0
0
8
4
0
40
8
9
3
.
6
9
3
.
6
3
24
8
0
0
7
8
0
20
7
9
5
.
9
4
.
1
4
25
8
0
0
7
6
0
40
7
6
0
40
5
26
8
0
0
7
4
0
60
7
2
5
.
5
7
4
.
5
6
27
8
0
0
7
2
0
80
6
9
2
.
3
1
0
7
.
7
B
ased
o
n
th
e
test
r
esu
lts
p
r
ese
n
ted
in
T
ab
le
4
,
th
e
tem
p
er
atu
r
e
s
en
s
o
r
r
ea
d
in
g
s
s
h
o
w
g
o
o
d
ag
r
ee
m
en
t
with
th
e
r
ef
er
en
ce
d
ig
ital
th
er
m
o
m
eter
o
v
er
th
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ce
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Hig
h
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u
p
p
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r
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le
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m
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itab
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f
o
r
h
y
d
r
o
p
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ic
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o
n
tr
o
l.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
AE
S
I
n
t
J
R
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A
u
to
m
I
SS
N:
2722
-
2
5
8
6
S
MAC:
S
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fo
r
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ased
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is
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an
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u
r
e
4
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tab
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tic
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ased
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mal
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mal
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t
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b
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T
ab
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6
.
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S
t
a
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Fig
u
r
e
4
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Sy
s
tem
r
esp
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r
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n
d
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h
pH
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alu
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s
u
n
d
e
r
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n
d
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s
s
h
o
w
s
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le
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d
ef
f
ec
tiv
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n
tr
o
l
,
as
s
h
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in
T
a
b
le
7
.
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h
e
s
y
s
tem
d
etec
ts
d
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icien
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an
d
ac
tiv
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e
n
u
tr
ien
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p
u
m
p
to
r
esto
r
e
T
DS
with
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t
o
v
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r
s
h
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o
t.
A
3
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cy
cle
in
cr
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s
es
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y
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5
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p
m
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le
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.
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tem
r
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e
test
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w
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n
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ien
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m
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)
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n
t
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mal
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n
t
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mal
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6
0
0
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6
0
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8
4
0
–
–
6
0
0
S
t
a
b
l
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
7
2
2
-
2
5
8
6
I
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2
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T
ab
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8
s
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at
wh
en
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DS
ex
ce
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s
8
4
0
p
p
m
,
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e
s
y
s
tem
ac
tiv
ates
th
e
Aq
u
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m
p
f
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r
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r
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r
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ig
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p
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ce
s
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in
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em
en
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s
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ile
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h
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esh
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p
m
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r
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r
n
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t
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e
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n
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cle.
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all,
th
e
c
o
n
tr
o
l
is
s
tab
le
an
d
ef
f
ec
tiv
e.
T
ab
le
8
.
Sy
s
tem
r
esp
o
n
s
e
test
in
g
to
h
i
g
h
T
DS (
Aq
u
ad
es
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u
m
p
ac
tiv
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n
)
No
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n
i
t
i
a
l
TD
S
A
TC
(
p
p
m)
TD
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m
i
t
(
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p
m)
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mp
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t
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v
e
D
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r
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t
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d
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n
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l
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a
d
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s
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6
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mal
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0
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6
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A
q
u
a
d
e
s
3
8
2
0
N
o
r
mal
5
8
0
0
5
6
0
–
8
4
0
–
–
8
0
0
S
t
a
b
l
e
3
.
2
.
3
.
pH
a
nd
T
DS
s
t
a
bil
it
y
t
esting
Stab
ilit
y
test
in
g
ev
alu
ated
th
e
s
y
s
tem
’
s
ab
ilit
y
to
m
ain
tain
p
H
(
5
.
5
–
6
.
5
)
an
d
T
DS
(
5
6
0
–
8
4
0
p
p
m
)
.
Pro
p
er
o
p
e
r
atio
n
is
ac
h
iev
e
d
wh
en
v
alu
es
r
etu
r
n
to
r
a
n
g
e
af
ter
s
ev
er
al
co
r
r
ec
tio
n
s
with
o
u
t
ex
ce
s
s
iv
e
o
s
cillatio
n
.
T
ab
le
9
s
h
o
ws
ef
f
ec
tiv
e
s
tab
ilizatio
n
f
r
o
m
o
u
t
-
of
-
r
an
g
e
c
o
n
d
itio
n
s
(
p
H
5
.
2
0
;
T
DS
9
0
0
p
p
m
)
.
T
h
e
s
y
s
tem
ap
p
lies
in
cr
em
en
tal
co
r
r
ec
tio
n
s
(
with
in
1
0
s
:
p
H
5
.
6
0
;
T
DS
8
3
0
p
p
m
)
,
av
o
i
d
in
g
o
s
cillatio
n
s
.
On
ce
with
in
r
an
g
e,
p
H
r
e
m
ain
s
at
5
.
8
–
6
.
1
a
n
d
T
DS
at
7
6
0
–
8
0
0
p
p
m
with
m
in
o
r
f
lu
ctu
atio
n
s
.
T
h
is
co
n
f
ir
m
s
s
tab
le,
r
eliab
le
co
n
tr
o
l su
p
p
o
r
ted
b
y
a
p
p
r
o
p
r
iate
s
am
p
lin
g
,
ac
t
u
atio
n
,
an
d
AT
C
.
T
ab
le
9
.
R
esu
lts
o
f
p
H
an
d
T
DS stab
ilit
y
test
s
o
v
er
tim
e
No
Ti
me
(
S
e
c
o
n
d
s)
p
H
A
T
C
S
t
a
t
u
s
p
H
TD
S
A
TC
(
p
p
m)
S
t
a
t
u
s
TD
S
1
0
5
.
2
0
U
n
st
a
b
l
e
9
0
0
U
n
st
a
b
l
e
2
5
5
.
4
0
A
p
p
r
o
a
c
h
i
n
g
t
h
e
l
i
m
i
t
8
6
0
D
e
c
r
e
a
s
i
n
g
3
10
5
.
6
0
N
o
r
mal
8
3
0
N
o
r
mal
4
15
5
.
8
0
N
o
r
mal
8
0
0
N
o
r
mal
5
20
6
.
0
0
N
o
r
mal
7
8
0
N
o
r
mal
6
25
6
.
1
0
N
o
r
mal
7
6
0
N
o
r
mal
7
30
6
.
0
0
N
o
r
mal
7
7
0
N
o
r
mal
8
35
5
.
9
0
N
o
r
mal
7
8
0
N
o
r
mal
Fig
u
r
e
5
s
h
o
w
s
ef
f
ec
tiv
e
T
DS
co
n
tr
o
l
with
in
5
6
0
–
8
4
0
p
p
m
.
T
h
e
s
y
s
tem
in
cr
ea
s
es
T
D
S
v
ia
th
e
n
u
tr
ien
t
p
u
m
p
wh
e
n
b
elo
w
t
h
e
th
r
esh
o
l
d
a
n
d
d
ec
r
ea
s
es
it
v
ia
th
e
Aq
u
ad
es
p
u
m
p
w
h
en
ab
o
v
e
it.
No
ac
tio
n
is
tak
en
with
in
r
an
g
e,
en
s
u
r
in
g
s
tab
le
an
d
r
eliab
le
o
p
e
r
atio
n
.
F
ig
u
r
e
6
s
h
o
ws
th
e
s
y
s
tem
co
r
r
ec
tin
g
lo
w
p
H
a
n
d
h
ig
h
T
DS
to
o
p
tim
al
r
an
g
es.
p
H
s
tab
ilizes
at
5
.
8
–
6
.
1
an
d
T
DS
at
7
6
0
–
8
3
0
p
p
m
,
with
o
n
l
y
m
in
o
r
f
lu
ctu
atio
n
s
an
d
n
o
s
ig
n
if
ican
t o
s
cillatio
n
s
.
T
h
is
co
n
f
ir
m
s
s
tab
le,
co
o
r
d
in
ated
,
an
d
e
f
f
ec
tiv
e
co
n
tr
o
l.
Fig
u
r
e
5
.
Gr
a
p
h
o
f
r
esp
o
n
s
e
lo
w
an
d
h
ig
h
T
DS
Evaluation Warning : The document was created with Spire.PDF for Python.
I
AE
S
I
n
t
J
R
o
b
&
A
u
to
m
I
SS
N:
2722
-
2
5
8
6
S
MAC:
S
ystem
fo
r
mo
n
ito
r
in
g
a
n
d
a
u
to
m
a
tic
co
n
tr
o
l o
f wa
ter,
n
u
tr
ien
ts
,
a
n
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(
F
r
en
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ki
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ima
tu
p
a
n
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)
373
Fig
u
r
e
6
.
Gr
a
p
h
of
co
m
p
ar
ativ
e
s
tab
ilit
y
p
H
an
d
T
DS
3
.
2
.
4
.
T
em
pera
t
ure
co
ntr
o
l
a
nd
s
a
f
et
y
lo
ck
t
esting
T
em
p
er
atu
r
e
was
v
ar
ied
to
ev
alu
ate
s
y
s
tem
r
esp
o
n
s
e.
T
h
e
c
o
o
lin
g
f
an
ac
tiv
ated
a
b
o
v
e
2
4
°C
,
an
d
at
ex
tr
em
e
lev
els
(
>2
8
°C
)
,
a
s
a
f
ety
lo
ck
d
is
ab
led
all
ac
tu
ato
r
s
,
p
lacin
g
th
e
s
y
s
tem
in
a
h
o
ld
s
tate.
T
ab
le
1
0
co
n
f
ir
m
s
ef
f
ec
tiv
e
tem
p
er
atu
r
e
co
n
tr
o
l
an
d
s
af
ety
.
At
1
8
–
2
4
°C
,
all
ac
tu
ato
r
s
o
p
er
ate
n
o
r
m
ally
with
th
e
co
o
lin
g
f
a
n
o
f
f
.
A
b
o
v
e
2
4
°C
,
th
e
f
an
ac
tiv
ates
with
o
u
t
in
ter
r
u
p
tin
g
co
n
tr
o
l.
At
≥
2
8
°C
,
a
s
af
ety
lo
ck
d
is
ab
les
all
p
u
m
p
s
wh
ile
m
o
n
ito
r
in
g
co
n
tin
u
es,
an
d
n
o
r
m
al
o
p
er
atio
n
r
esu
m
es o
n
ce
tem
p
e
r
atu
r
e
s
ta
b
ilizes.
T
ab
le
1
0
.
H
y
d
r
o
p
o
n
ic
s
y
s
tem
tem
p
er
atu
r
e
c
o
n
tr
o
l a
n
d
s
af
ety
lo
ck
test
r
esu
lts
No
S
o
l
u
t
i
o
n
Te
m
p
e
r
a
t
u
r
e
Te
mp
L
i
mi
t
C
o
n
d
i
t
i
o
n
F
a
n
N
u
t
r
i
t
i
o
n
pH
A
q
u
a
d
e
s
D
e
scri
p
t
i
o
n
1
20
(
°
C
)
1
8
–
24
N
o
r
mal
O
F
F
A
u
t
o
A
u
t
o
A
u
t
o
N
o
r
mal
2
23
(
°
C
)
1
8
–
24
N
o
r
mal
O
F
F
A
u
t
o
A
u
t
o
A
u
t
o
O
p
t
i
mal
3
25
(
°
C
)
>
2
4
W
a
r
n
i
n
g
ON
ON
ON
ON
C
o
o
l
i
n
g
O
N
4
26
(
°
C
)
>
2
4
W
a
r
n
i
n
g
ON
ON
ON
ON
C
o
o
l
i
n
g
O
N
5
27
(
°
C
)
>
2
4
W
a
r
n
i
n
g
ON
ON
ON
ON
C
o
o
l
i
n
g
O
N
6
28
(
°
C
)
≥
2
8
(
C
r
i
t
i
c
a
l
)
H
o
l
d
ON
O
F
F
O
F
F
O
F
F
A
l
l
O
F
F
7
29
(
°
C
)
≥
2
8
(
C
r
i
t
i
c
a
l
)
H
o
l
d
ON
O
F
F
O
F
F
O
F
F
A
l
l
O
F
F
8
24
(
°
C
)
1
8
–
24
N
o
r
mal
O
F
F
A
u
t
o
A
u
t
o
A
u
t
o
N
o
r
mal
i
z
e
d
3
.
2
.
5
.
I
o
T
s
y
s
t
em
re
lia
bil
it
y
t
esting
I
o
T
r
el
iab
i
li
ty
wa
s
ev
alu
at
ed
b
y
m
o
n
ito
r
in
g
r
ea
l
-
t
im
e
d
at
a
tr
an
s
m
i
s
s
io
n
to
th
e
B
ly
n
k
ap
p
,
f
o
cu
s
in
g
o
n
d
e
lay
,
co
n
n
e
ct
io
n
s
ta
b
i
li
ty
,
an
d
c
o
n
s
i
s
t
en
cy
b
et
we
en
d
i
s
p
lay
ed
an
d
ac
tu
a
l
s
y
s
tem
d
a
ta.
T
ab
l
e
1
1
s
h
o
w
s
r
el
iab
le
r
ea
l
-
t
im
e
I
o
T
m
o
n
i
to
r
in
g
v
ia
B
ly
n
k
.
Da
ta
wer
e
tr
an
s
m
i
tt
ed
ev
er
y
5
s
wi
th
lo
w
d
ela
y
s
(
0
.
8
–
1
.
1
s
)
d
u
r
in
g
n
o
r
m
al
o
p
er
a
tio
n
a
n
d
s
l
ig
h
t
ly
h
ig
h
er
d
e
lay
s
(
1
.
1
–
1
.
2
s
)
u
n
d
e
r
ab
n
o
r
m
al
co
n
d
i
tio
n
s
,
m
ain
ta
in
in
g
s
y
s
t
em
o
b
s
er
v
ab
i
li
ty
.
Un
d
er
u
n
s
tab
le
n
et
wo
r
k
s
,
d
e
lay
s
r
o
s
e
to
~2
.
5
s
,
b
u
t
au
to
m
a
ti
c
r
e
co
n
n
ec
t
io
n
e
n
s
u
r
e
d
co
n
t
in
u
i
ty
.
Ov
er
a
ll
,
th
e
s
y
s
te
m
p
r
o
v
i
d
e
s
r
el
iab
le
an
d
r
e
s
i
l
ie
n
t m
o
n
it
o
r
in
g
w
it
h
o
u
t
af
f
ec
tin
g
co
n
t
r
o
l
s
tab
i
li
ty
.
T
ab
le
1
1
.
I
o
T
s
y
s
tem
r
eliab
ilit
y
test
r
esu
lts
(
B
ly
n
k
)
No
C
o
n
d
i
t
i
o
n
D
a
t
a
S
e
n
t
I
n
t
e
r
v
a
l
(
S
)
D
e
l
a
y
(
S
)
S
t
a
t
u
s
D
a
t
a
S
y
n
c
D
e
scri
p
t
i
o
n
1
N
o
r
mal
(
p
H
&
TD
S
S
t
a
b
l
e
)
p
H
,
TD
S
,
A
T
C
,
Te
mp
e
r
a
t
u
r
e
5
0
.
8
S
t
a
b
l
e
S
y
n
c
R
e
a
l
-
t
i
me
O
K
2
p
H
<
M
i
n
p
H
,
A
T
C
,
p
H
U
p
5
0
.
9
S
t
a
b
l
e
S
y
n
c
P
u
mp
S
h
o
w
n
3
p
H
>
M
a
x
p
H
,
A
T
C
,
p
H
D
o
w
n
5
0
.
9
S
t
a
b
l
e
S
y
n
c
S
y
st
e
m
R
e
s
p
o
n
se
4
TD
S
<
M
i
n
TD
S
,
A
TC
,
N
u
t
r
i
e
n
t
5
1
.
0
S
t
a
b
l
e
S
y
n
c
C
o
r
r
e
c
t
i
o
n
a
c
t
i
v
e
5
TD
S
>
M
a
x
TD
S
,
A
TC
,
A
q
u
a
d
e
s
5
1
.
1
S
t
a
b
l
e
S
y
n
c
D
i
l
u
t
i
o
n
v
i
s
i
b
l
e
6
Te
mp
>
M
a
x
Te
mp
,
F
a
n
5
1
.
0
S
t
a
b
l
e
S
y
n
c
W
a
r
n
i
n
g
S
h
o
w
n
7
Te
mp
≥
C
r
i
t
i
c
a
l
Te
mp
,
H
o
l
d
5
12
S
t
a
b
l
e
S
y
n
c
S
a
f
e
t
y
l
o
c
k
8
N
e
t
w
o
r
k
U
n
st
a
b
l
e
La
st
D
a
t
a
+
R
e
c
o
n
n
e
c
t
5
2
.
5
D
i
sco
n
n
e
c
t
e
d
S
y
n
c
a
f
t
e
r
r
e
c
o
n
n
e
c
t
R
e
c
o
v
e
r
e
d
3
.
2
.
6
.
M
o
nito
ring
his
t
o
ry
t
esting
T
ab
le
1
2
s
h
o
ws
s
tab
le
r
ea
l
-
tim
e
m
o
n
ito
r
i
n
g
,
with
p
H
r
an
g
in
g
f
r
o
m
5
.
9
2
to
5
.
9
6
,
in
d
icatin
g
well
-
co
n
tr
o
lled
ac
id
ity
a
n
d
e
f
f
ec
tiv
e
d
etec
tio
n
o
f
m
in
o
r
v
ar
iatio
n
s
.
T
DS
r
em
ain
ed
s
tab
le
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atic
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ak
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m
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ased
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tr
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d
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ield
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ated
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Evaluation Warning : The document was created with Spire.PDF for Python.