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Title: A modified Smith predictor for a process with an integrator and long dead time
Authors: Hang, C.C. 
Wang, Q.-G. 
Yang, X.-P.
Issue Date: 5-Feb-2003
Citation: Hang, C.C.,Wang, Q.-G.,Yang, X.-P. (2003-02-05). A modified Smith predictor for a process with an integrator and long dead time. Industrial and Engineering Chemistry Research 42 (3) : 484-489. ScholarBank@NUS Repository.
Abstract: In this paper, a new modified Smith predictor using a rapid load estimator scheme is proposed. The advantage of the design is that the load estimator does not involve the solution of a closed-loop equation that contains dead time, and this can achieve a better load disturbance response. This scheme can be easily extended to the case of double integrators. Robust stability of the proposed method is analyzed, and a simple and effective robust controller design rule is derived. It is demonstrated by simulations that the new controller provides a similar or better setpoint response and a faster load disturbance rejection than the dead-time compensator in other papers.
Source Title: Industrial and Engineering Chemistry Research
ISSN: 08885885
Appears in Collections:Staff Publications

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