Mo
odel EA
6.8. PA
Most ap
might no
In that c
Type of
There a
different
Dead zo
Dead zo
is occur
Proport
Deviatio
Howeve
Integral
Time to
constan
Differen
Time to
constan
“KP_”, “
target va
to 12, pr
valve tra
“KI LT” is
moveme
calibratio
A10S
ARAM
ppropriate co
ot be gained
case, operatio
parameters
are 4 kinds o
tial constant
one (DEADZ
one is a ban
rring due to la
tional gain (
on between
er, increasing
l constant (K
correct dev
t. However, i
ntial constan
reach targe
t too much w
KI_” and “KD
alue and valv
roportional ga
avel is within
s a paramete
ent. It is no
on.
ntrol parame
by auto calib
on can be im
of parameter
(KD).
ZONE)
d setting (%)
arge friction
(KP)
target value
g the gain too
KI)
viation betwe
increasing th
nt (KD)
et value can
will lead to hu
D_” are para
ve travel is w
ain becomes
1%.
er to set a tim
ot necessary
eters are sele
bration in so
mproved by c
rs; dead zon
) where integ
of gland pac
e and valve
o much will le
een target va
he constant t
be shortene
unting.
ameters to ch
within 1%. St
s 120% of ori
me interval in
y to change
- 24 -
ected by con
me cases su
calibrating PI
ne (DEADZO
gration contr
cking, hunting
travel can b
ead to huntin
alue and va
too much will
ed by increa
hange intens
tandard valu
iginal parame
seconds fro
the parame
nducting auto
uch as specia
D parameter
ONE), propor
rol halts to a
g can be pre
be reduced q
ng.
alve travel ca
l lead to hun
asing differen
sity of each
e is 10. For e
eter setting w
om a state tha
eter since th
o calibration.
al actuators o
rs or dead zo
rtional gain (
target value
vented by se
quickly by in
an be shorte
ting.
ntial constan
PID paramet
example, if “
while deviatio
at valve is se
he paramete
. However, fa
or valves wit
one manually
(KP), integra
. In such cas
etting dead z
ncreasing pro
ened by incr
nt. However,
ter while dev
“KP_” param
on between t
eated to a be
er is norma
avorable res
th large frictio
y.
al constant (
ses that hunt
zone.
oportional ga
reasing integ
increasing
viation betwe
eter is chang
target value a
ginning of va
lly set by a
ults
on.
KI),
ting
ain.
gral
the
een
ged
and
alve
auto
Содержание EA10S
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