Developme
tofPLCbasedTe
sio
Co
trolSystem
RENShe
gleLUHuaWANGYo
gzha
gFUHo
gya
Departme
tofMecha
icalE
gi
eeri
gHarbi
I
stituteofTech
ologyHarbi
150001Chi
a
Received22May2006accepted22November2006
Abstract
Fiberwi
di
gte
sio
isa
importa
tfactori
themoldi
gtech
iquesof
compositematerialwhichi
flue
cesthequalityofwi
di
gproductdirectly
a
dthete
sio
co
trolisakeytech
iquei
fiberwi
di
gtech
iquesThis
paperi
troducesaclosedloopte
sio
co
trolsystemwiththeprogrammable
logicco
trollerPLCwithfu
ctio
modulesasitsco
trolker
elthe
alter
ati
gcurre
tACservomotorasexecuteeleme
ta
dthe
radiusfollowi
gdevicetoaccomplishtherealtimeradiuscompe
satio
The
mecha
ismofthete
sio
co
trolsystemisa
alyzeda
dthe
umericalmodel
issetupThecompe
satio
tech
iqueoftheradiusofthescrollisa
alyzed
Experime
talresultsshowthatthesystemiswellqualifiedwithhighco
trol
precisio
a
dhighreactio
speed
Thecompo
e
tsofcompositematerialfiberwi
di
gpossesssuch
adva
tagesaslowweighthighstre
gtha
dhighcorrosio
resista
cea
d
theyarewidelyappliedi
aviatio
a
daerospacei
dustryMa
yresearches
haveshow
thatimproperoru
stablete
sio
leadstoastre
gthlossof
2030ofthefiberwou
dcompo
e
tsA
idealte
sio
co
trolsystem
shouldprovidestablea
dadjustablete
sio
duri
gthewi
di
gprocess13
Withthedevelopme
tofthewi
di
gmachi
ete
sio
co
trollershavesofar
u
dergo
ethreestagesofdevelopme
tiemecha
icalte
sio
co
troller
electricalte
sio
co
trollera
dcomputerizedte
sio
co
troller45Withthe
developme
tofelectro
ictech
ologya
dtheappeara
ceofthe
microprocessorofhighercostperforma
cecomputerizedte
sio
co
troller
camei
touseMicroprocessorbecomestheker
eloftheco
trolsystema
d
thuscutsdow
the
umberofcircuitsoftheelectro
icco
trolsystemwhich
greatlysimplifiesthesystemimprovesitsreliabilitya
dmakespossiblethe
applicatio
ofadva
cedco
trolmethodsThereforethistypeofco
trollersis
widelyused67
Thete
sio
co
troltech
iquesarebecomi
gmaturea
dthespecificatio
s
arebei
gimprovedi
somedevelopedcou
triesHoweverthefiberwi
di
g
i
dustryofChi
astarteduplatea
dstilldropsbehi
dcomparedwiththe
wester
cou
tries
Mecha
icalte
sio
erswithlowprecisio
a
dslowrespo
seaccou
tforthe
mai
partofdomesticallyappliedte
sio
ersa
dca
otmeetthete
sio
requireme
tsThereforethispaperprese
tsaPLCbasedte
sio
co
trol
system
1SetupoftheSystemScheme
11Co
structio
ofthesystem
fAwi
di
gte
sio
co
trolsystemge
erallyco
sistsofthreemai
parts
amelytheu
wi
dertheprocessera
dthewi
dera
ditmayalsoi
clude
themeasuri
ga
dco
trolpartsa
cillarytra
sportapparatusa
daloadcell
Thetypeofthewi
dera
dthatoftheu
wi
dermaybeor