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http://dx.doi.org/10.5370/KIEE.2014.63.6.786

Model Following Control of Linear Time-Invariant System with Uncertain Time Delay  

Kim, Hye-Kyung (Dept. of Electronics Eng., Chungbuk National University)
Kim, Young Chol (Dept. of Electronics Eng., and Research Institute for Computer & Information Communication, Chungbuk National Univ.)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.63, no.6, 2014 , pp. 786-796 More about this Journal
Abstract
This paper presents a new approach to design a robust tracking controller for linear time-invariant systems with uncertain time-delay. By introducing the model following control (MFC) structure which consists of two loops in nature, we show that the controller is capable of having a predictive control action and effectively tracking the reference output with a desired transient response as well. Three design techniques to achieve good tracking performance are suggested. It is also analytically shown that the tracking performance of the proposed scheme is more robust than that of typical single-loop feedback structure. An illustrative example is given to compare the tracking performances of the proposed methods with a single loop method.
Keywords
Uncertain time-delay; Model following control; Characteristic ratio assignment (CRA); Robust tracking performance;
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