Abstract
A fully linearizable single-input-single-output relative-degree n system with an output time delay is considered in this paper. Using the approach of Padé approximation, system center approach, and second-order sliding-mode (SM) control, we have obtained good output tracking results. The Smith predictor is used to compensate the difference between the actual delayed output and its approximation. A second-order supertwisting SM observer observes the disturbance in the plant. A nonlinear example is studied to show the effect of this methodology.
| Original language | English |
|---|---|
| Pages (from-to) | 3638-3645 |
| Number of pages | 8 |
| Journal | IEEE Transactions on Industrial Electronics |
| Volume | 56 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 2009 |
| Externally published | Yes |
Keywords
- Output delay
- Padé approximation
- Second-order sliding-mode (SM) control
- Stable system center
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