TRLTÖNG DH SU PHAM KY THUÄT TPHCM
KHOA CÖ KHI CHE TAO MÄY
BÖ MÖN CÖ DIEN TÜ"
DE THI CUÖI HOC KY II NÄM HOC 22-23
Mön: HE TNG TRUYEN DÖNG SERVO
Mä mön hoc: SERV334029
De so/Mä de: 01 De thi cö 5 trang.
Thai gian: 75 phüt.
Dugc phep düng täi lieu.
SV läm bäi truc tiep tren de thi vä nop lai de
Chü ky giäm thj 1 Chü ky giäm thj 2
Diem vä chfi ky
CB chäm thi thü nhät CB chäm thi thü hai Ho vä ten:
...................................................................
so SV:
...................................................................
So TT:
.......................
Phöng thi:
...............................
Phän 1 (Träc nghiem 5 diem)
Cäu 1 (0.5d) Given a position control System using an IM AC motor, which statement(s) is/are
TRUE?
A. Its servo amplifier reads encoder signals to detect the position.
B. Pulse count method is adopted to control the position
C. Pulse command method with a positioning Controller is used to control the position
D. B and C
u 2 (0.5d) Cho he servo sü ng ng ca DC servo, cäu näo sau däy lä DUNG
A. Thuät toän PI vä bö loc nhieu dugc sü düng cho vöng dieu khien van töc
B. Thuät toän PI vai khäu anti-windup dugc sü düng cho vöng dieu khien vi tri
C. Thuät toän PID vai khäu anti-windup cho khäu D dugc sü düng cho bo dieu khien.
D. Thuät toän PD vä bo loc nhieu dugc sü düng cho vöng dieu khien vj tri
Cäu 3 (0.5d) Möt dong ca buac cö göc buac bäng 0.72°, töc dp xuät xung khai döng dong ca ö che
dö half-step” lä 12 KHz, töc dö khai döng a döng ca xäp xi bäng:
A. 75.4 rad/s
B. 150.7 rad/s
C. 188.4 rad/s
D. 314 rad/s
Cäu 4 (0.5d). In
A.
B.
C.
D.
motion control, the blended polynomial method is:
to obtain the least consuming energy
to implement in a driver for a point-to-point control.
a suitable Option for the point-to-point control problem.
B and C
u 5 (0.5d) Cho he servo sü düng döng ca AC servo nhu sau:
So hieu: BM3/QT-PDT-RDTV/02 Län soät xet: 02 Ngäy hieu luc: 15/5/2020 Trang: 1/5
Posrttoning
Controller
C o m m a n d
pulse
Pc fc
(Pcc)
C M X /C D V
= to 4 0 00
10
Bi6t Pb = 8 (mm); c dö cüa bän mäy V = 6 m/phüt; Z1/Z2 = 1/2
Bo diäu khiön vj tri (positioning Controller) cö tän so xung toi da 200 KHz, dö phän giäi cüa encoder
PfD= 262144 (pulse/round).
Van töc hoat dong cüa döng ca lä:
......................................
(RPM)?
u 6 (0.5d) düng hinh vä thöng sö cüa cäu 5. G höp sö mem (electronic gear) a driver cö
thöng sö mäc djnh nhu sau: K = CMX/CDV = 98304/3125.
BLU cüa co cäu tren:...................................?
u 7 (ld) düng giäi thuät nöi suy xung chuän DS ö göc phän tu' thü III, ngugc chu kirn döng
ho (CCW), R = 5. Trinh bäy ket q chay giäi thuät (bang sö lieu hinh thu dugc)
___________
Bang ket quä Ket quä c IV, CCW
So hieu: BM3/QT-PBT-RDTV/02 Län soät xet: 02 Ngäy hieu lirc: 15/5/2020 Trang: 2/5
u 8 (0.5d). Which statement(s) is/are TRUE of a position servo control System
A. Normally, it has two control loops: velocity and position control.
B. ln some situations, torque control is also necessary.
C. For most cases, velocity control can be ignored.
D. A and B
u 9 (0.5d) Häm trun mö quan he ga van töc truc dong ca vä giä trj xung pwm diöu khien
a dong ca DC servo co dang sau:
A. GO) = !L-
V 1 (TS+l)
B . G O ) (T eS +i ) ( Tms + i)
C. GO) - S(TeS+1)(TmS+1)
D. A vä B
Phän 2 (Ttr luän 5 digm): Cho he bän mäy nhu- hinh
Moving part
a. (3d) Gsu servo amplifier düng thuät toän PI de dieu khien vän c di chuyen a bän mäy. Ve
sa dö khöi bo diüu khiün van töc, ghi chü cäc bien düng. Viet giäi thuät PI cö sü düng anti-windup?
So hieu: BM3/QT-PDT-RBTV/02 Lan soät xet: 02 Ngäy hieu luc: 15/5/2020 Trang: 3/5
b (2d). Mö-dun dieu khien vj tri (positioning module) düng phircmg phäp vän töc hinh thang de
dieu khien chuyen dong diem-diem cüa bän mäy biet khoäng cäch di chuyen d = 2 (m) trong thäi gian
t = l^(s), buac vit-me P = 10 (mm). Van toc toi da a dong ccr^OOO (RPM). Trinh bäy chi tiet phnotig
phäp (ti'nh toän ve cäc dö thj chuyen dong)?
So hieu: BM3/QT-PBT-RDTV/02 Län soät xet: 02 Ngäy hieu luc: 15/5/2020 Trang: 4/5
Ghi chü: Ccm coi thi khöng äuac giäi thich de thi.
Chuän däu ra cüa hoc phän (ve kien thi'rc) Nöi düng kiem tra
CLO 2, 3, 4 Phän träc nghiem
CLO 2, 7 Phän tu luän
Län soät xet: 02
Ngay#^ thäng Snäm 20 t S
Triröng bo n
(ky vä ghi ho ten)
_
/Vhr/
Ngäy hieu luc: 15/5/2020 Trang: 5/5
So hieu: BM3/QT-PDT-RDTV/02