Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)
- 2006.07d
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- Pages.1840-1841
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- 2006
A PID Controller Tuning of time delay system using VRFT
VRFT를 이용한 시간지연 시스템의 PID 제어기 동조
- Oh, Yun-Ki (Dep. of Electrical Eng., Graduate School,, Hanyang University) ;
- Suh, Byung-Suhl (Div, of Electricity, Control and Biomedical Eng., Hanyang University)
- Published : 2006.07.12
Abstract
Plants with long time-delays can not be often controlled effectively using a simple PID controller. The main reason for this is that the additional phase lag contributed by the time-delay tends to destabilize the closed-loop system. The stability problem can be solved by smith predictor. However, in this case responses are very sensitive to the estimated model errors. To reduce sensitive problem, this paper is presented based on virtual reference feedback tuning of the time delay plant using the closed-loop test to find parameters for a PID controller using the closed-loop test data.
Keywords