Abstract
This paper presents an approach to the design of the feedforward or prefilter components in a Two-Degree-Of-Freedom (2-DOF) configuration. The approach is based on the use of a Model Reference specification for the desired input-output relation. An optimal model matching problem in the min-max sense is solved in order to get the optimal prefilter. As a second step, a detuning procedure is proposed in order to take into account for the effect on the control signal. After an analysis of the 2-DOF configurations found in the literature it is seen that the proposed approach is not limited to a specific controller structure.
| Original language | English |
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| Pages (from-to) | 449-477 |
| Journal | Systems Analysis Modelling Simulation |
| Volume | 34 |
| Issue number | 4 |
| Publication status | Published - 1 Jan 1999 |