Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- 2003.07b
- /
- Pages.1262-1264
- /
- 2003
A Study on DC-DC Power Supply with a Multi-loop Controller
다중 제어루프에 의한 DC-DC 전원장치에 관한 연구
- Jho, J.H. (Myongji Univ.) ;
- Chung, J.H. (Myongji Univ.) ;
-
Jho, J.M.
(Myongji Univ.)
;
-
Kim, K.D.
;
-
Lee, S.H.
(Taedok College)
;
-
Lee, H.G.
(Yong-in Songdam College)
;
- Kim, Y.J. (Dongyang Tech College) ;
-
Han, K.H.
(Myongji Univ.)
- 조주현 (명지대학교) ;
- 정정훈 (명지대학교) ;
-
조정민
(명지대학교)
;
-
김길동
(철도기술연구원)
;
-
이승환
(대덕대학)
;
-
이훈구
(용인송담대학)
;
- 김용주 (동양공업전문대학) ;
-
한경희
(명지대학교)
- Published : 2003.07.21
Abstract
The author Present a modified multiloop algorithm including feedforward for controlling a 45kW step down chopper in the power supply of Maglev. The control law for the duty cycle consists of three terms. The first is the feedforward term which compensates for variations in the input voltage. The second term consists of the difference between the slowly moving inductor current and output current. The third term consists of proportional and integral terms involving the perturbation in the output voltage. This perturvation is derived by subtracting the desired output voltage from the actual output voltage. The proportional and integral action stabilizes the system and minimizes output voltage error. To verify the validity of the proposed multiloop controller, simulation study was tried using Matlab/sirnulink.
Keywords