TRUCJNG DAI HOC SU” PHAM KY THUAT
THANH PHO HO CHI MINH
KHOA CO KHI CHE TAO MAY
BO MON CO BIEN TU*
BE THI CUOI KY HOC KY 1 NAM HOC 19-20
Mon: BIEU KHIEN QUA TRINH
Ma mon hoc: PCTR421929
Be s6: 01; DS thi c6 2 trang.
Thai gian: 60phut.
Dir pc phep sir dung tai lieu
Bai 1 (5d): Cho he thong gia nhiet co so do khoi nhu hinh ve:
Gia su ham truyen he:
° p^ (5j +1) ( j +1) (0.2j +1) (0. Is +1)
Cac thong so khac: Km = 0.08 [mA/°C], Kv = 13.75 [V/mA], K = 0.5 va 0 = 1 [min].
a. Rut gon ham truygn cua he (Gp) ve dang he bac 2 co tre? Tim ham truyen tuong
duong mo ta quan he giua ngo ra va gia tri dat?
b. Tinh sai so (offset) trong tnrong hop su dung bo dieu khien ti le (K c = 2) va gia
tri dat thay doi?
c. Su dung bo dieu khien PI vdi Kc = 2, tim dieu kien cua r, de he kin on dinh?
d. Thiet ke bo dieu khien PID theo phuong phap IMC?
Bai 2: (5d) Cho he co luu do P&ID mot phan cua thap chung cat nhu hinh:
a. Giai thich cac ky hieu tren hinh va mo
ta hoat dong cua vong dieu khien a day
thap?
b. Xac dinh cac loai bien qua trinh? Ve so
do khoi mo ta vong dieu khien a day
thap?
c. Bang thuc nghiem ta xac dinh dugc
ham truyen vong ho nhu sau:
G(s) = 5e~2s
10^ + 1
Be xuat bo dieu khien thich hop de giai
quyet bai toan gia tri dat thay doi
{servomechanism problem)? Tinh cac
thong so bo dieu khien da de xuat?
S6 hieu: BM1/QT-PDBCL-RDTV 1
