Abstract
The derivative feedback is a classical but representative means in the design of control systems, and for practical reasons it is often replaced by its difference approximation. As the resulting closed-loop system involves a time-delay, it does not necessarily preserve stability however accurate the approximation is. Following the terminology of Palmor (1980), it may be said that the practical stability is not always guaranteed. The present paper studies the condition under which the practical stability is guaranteed for approximating output difference feedback controllers.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 16th IFAC World Congress, IFAC 2005 |
| Publisher | IFAC Secretariat |
| Pages | 207-212 |
| Number of pages | 6 |
| Edition | 1 |
| ISBN (Print) | 008045108X, 9780080451084 |
| Publication status | Published - Jan 1 2005 |
| Externally published | Yes |
Publication series
| Name | IFAC Proceedings Volumes (IFAC-PapersOnline) |
|---|---|
| Number | 1 |
| Volume | 38 |
| ISSN (Print) | 1474-6670 |
Keywords
- Delay differential equation
- Derivative feedback
- Output difference feedback
- Practical stability
- Stabilization
ASJC Scopus subject areas
- Control and Systems Engineering
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Cite this
Kokame, H., Hirata, K., & Mori, T. (2005). Dynamic controllers which use difference approximates of output derivatives and their practical stability. In Proceedings of the 16th IFAC World Congress, IFAC 2005 (1 ed., pp. 207-212). (IFAC Proceedings Volumes (IFAC-PapersOnline); Vol. 38, No. 1). IFAC Secretariat.