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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Michalek, M.M. |
| Copyright Year | 2014 |
| Description | Author affiliation: Dept. of Control & Syst. Eng., Poznan Univ. of Technol. (PUT), Poznan, Poland (Michalek, M.M.) |
| Abstract | Feedforward control design for time-varying reference signals becomes a non-trivial problem when the plant dynamics is nonminimum-phase, since the inverse of a plant model is unstable or non-causal. A possible approach in this case is to use a stable approximate inverse of a plant model. Several solutions of this kind, devised in a frequency domain, have been proposed in the literature. An alternative approach to feedforward control design proposed in this article utilizes simple interpretation of an internal plant-model structure in a time domain. Following this approach a simple causal fixed-structure feedforward controller is proposed in the form of a linear combination of a reference trajectory and its time-derivatives. By providing explicit formulas for weighting parameters of the combination, it is shown how one can compensate for the detrimental influence of a time delay and right-half-plane zeros on the resultant tracking performance. The concept has been examined by simulation examples. |
| Sponsorship | IEEE Control Syst. Soc. |
| Starting Page | 61 |
| Ending Page | 66 |
| File Size | 979615 |
| Page Count | 6 |
| File Format | |
| ISBN | 9783952426913 |
| DOI | 10.1109/ECC.2014.6862155 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-06-24 |
| Publisher Place | France |
| Access Restriction | Subscribed |
| Rights Holder | EUCA |
| Subject Keyword | Computer aided instruction Control design Feedforward neural networks Mathematical model Equations Poles and zeros |
| Content Type | Text |
| Resource Type | Article |
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