ISSN: 1693-6
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¢
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The Prelim
in
ary
Re
sea
r
ch
for Im
plem
en
tation of Im
pr
ove
d
DT
C Schem
e …… (T
ole Sutikno
)
THE PRELIMINARY RESEARCH FOR
IMPLEMENTATION OF IMPROVED DTC SCHEME
OF HIGH PERFORMANCE PMSM DRIVES
BASED ON FPGA
Tole Sutikno
Dep
a
rtme
nt of Electrical En
ginee
ring, Un
iversita
s Ahm
ad Da
hlan (UAD), Yogyakarta
3
rd
UAD Ca
m
pus, Prof. So
epomo Stre
et, Janturan, Yogyakarta
e-mail: tole
@ee.uad.a
c
.id
Abs
t
rak
Kendali torsi
langsu
ng (DTC) adal
ah
salah satu pend
ekatan ken
dali ya
ng
banya
k
digun
akan p
ada
sistem
kendali PMSM
. Metode i
n
i
m
enduku
ng t
angg
apan
torsi
yang
sang
at
cep
a
t da
n p
r
esi
s
i. Bagaim
anap
un, m
e
tode
DT
C tida
k
sep
enu
hn
ya sem
purn
a
dan m
e
m
pun
yai
bebe
rap
a
ke
kuran
gan. San
gat ban
ya
k p
eneliti ya
ng telah m
engu
sulka
n
m
odifikasi skem
a DTC
dasar u
n
tuk
kem
udi PMS
M
. Sem
ua kontribu
si in
i m
engijinka
n penin
g
katan unju
k
ke
rja,
t
e
tapi
pada
wa
ktu yan
g
sam
a
m
enjadika
n skem
a DT
C m
enjadi le
bih kom
p
leks. L
e
b
i
h lanjut, sist
em
ken
dali
kem
udi PMSM um
um
nya b
e
rb
a
s
is
pad
a m
i
krokontroller d
an DSP. Be
bera
pa
penel
iti
juga tela
h m
e
nggu
na
kan
DSP dan FP
G
A
bersam
a
-sam
a untuk m
e
m
bangun
DTC u
n
tuk ke
m
u
d
i
AC. Hal ini
m
e
m
ungkinkan pe
ning
kat
an unju
k
ke
rj
a, tetapi aka
n
m
eningkatkan bia
y
a. Ka
rena
alasan-ala
s
a
n
di atas, p
aper i
n
i m
engu
sul
k
an skem
a
DT
C baru untu
k
diterap
k
a
n
h
anya
berb
a
si
s FP
GA. Penelitia
n awal i
n
i telah m
enunj
ukkan
bah
wa
skem
a DTC yan
g
diu
s
ul
kan
dapat m
e
red
u
ksi
riak flu
k
s da
n to
rsi
se
ca
ra
si
g
n
ifikan.
Oleh
ka
ren
a
itu,
pap
er ini j
uga
m
e
rekom
end
asi
k
an
reali
s
a
s
i skem
a DT
C ya
ng diu
s
ul
kan b
e
rb
asi
s
FPGA saja, a
gar m
endu
ku
ng
ekse
ku
si
ko
m
putasi sang
at ce
pat. Im
plem
entasi
ini
aka
n
m
e
lahirkan
pote
n
si
untuk m
engg
anti
tidak
han
ya
m
o
tor indu
ksi
tetapi ju
ga
m
o
tor se
rvo
DC pa
da
sej
u
m
l
ah kem
u
d
i
unju
k
ke
rja
tinggi
pada p
r
o
s
e
s
indu
stri, kom
e
rsial, dom
e
s
tik dan a
p
likasi
-
apli
k
a
s
i kem
udi m
ilter m
o
dern.
Kata kunci
:
DTC, PMSM,
FPGA
A
b
st
r
a
ct
The di
re
ct torque
co
ntrol
(DTC) i
s
o
ne
of co
ntrol
ap
proa
ch
e that
is u
s
e
d
com
m
only in
PMSM cont
rol system
. T
h
is m
e
thod
sup
port
s
a
very qui
ck an
d preci
s
e to
rque
re
spon
se.
Ho
we
ver, the
DTC m
e
thod
is not perfe
ct and ha
s som
e
disa
dvanta
ges. Man
y
re
sea
r
che
r
s h
a
v
e
been
p
r
opo
sed to
m
odify the
ba
sic DTC
schem
e f
o
r PMSM
d
r
i
v
e. All thi
s
contributio
ns
allow
perfo
rm
ance
to be im
pro
v
ed, b
u
t at the sam
e
time they l
ead
to m
o
re com
p
lex
schem
e
s
.
Furthe
rm
ore,
the PMSM d
r
ive
cont
rol system
s a
r
e u
s
uall
y
ba
sed
on m
i
cro
c
ont
rolle
r and DS
P.
Som
e
rese
arche
r
s also ha
ve b
een
used
DSP and
FPGA togethe
r to de
velo
p DT
C for A
C
d
r
ives.
These allo
w i
m
provin
g the
perfo
rm
ance
,
but they
will
increa
se
co
st. For the rea
s
on
abo
ve, th
is
pape
r p
r
op
osed a n
e
w DT
C sch
e
m
e
to appl
y onl
y
b
a
se
d on
FPG
A
. The preli
m
inary
re
sea
r
ch
sho
w
e
d
that
the
pro
p
o
s
ed
DT
C
she
m
e can
red
u
ce
torque
and flu
x
rip
p
les si
gnifica
ntly.
Therefore,
this p
ape
r al
so
recom
end to
reali
z
e
propo
sed
DT
C
sch
e
m
e
based
o
n
FPGA i
n
o
r
der
to sup
port to
exe
c
ute
ve
ry fast
com
putation.
The i
m
plem
entation is ho
ped t
hat it will ve
ry
potential to repla
c
e not o
n
ly the i
ndu
ction m
o
to
r bu
t also the
DC servo m
o
tor in a
num
ber of
industrial process, com
m
e
rcial,
dom
esti
c and m
odern m
ilitary ap
plications of
hi
gh-perform
a
nce
drive.
Key
w
ords
:
DTC, PMSM, FPGA
1. INTRODUCT
I
ON
Develo
pment
of p
r
a
c
tical
perm
ane
nt m
agnet
syn
c
hronou
s m
o
tor (PMSM) technolo
g
y
permit
s
lowe
r sp
eed
and
highe
r torq
u
e
output a
s
comp
ared to
a conve
n
tio
nal AC in
du
ctio
n
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