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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Chen, B. M. Saberi, A. Sannuti, P. |
| Copyright Year | 1990 |
| Description | Author affiliation: Department of Electrical and Computer Engineering, Washington State University, Pulllman, WA 99164-2752 (Chen, B. M.; Saberi, A.) || Department of Electrical and Computer Engineering, P.O. Box 909, Rutgers University, Piscataway, NJ 08855-0909 (Sannuti, P.) |
| Abstract | In this paper, a new compensator structure for loop transfer recovery (LTR) is proposed. The proposed compensator is (a) open-loop stable, (b) guarantees closed-loop stability and above all (c) requires much smaller values of gain than the conventional observer based controller for the same degree of loop-transfer recovery. The fact that the new compensator requires much smaller values of gain than the conventional controller results in several practical advantages, the most important among them being the reduction in controller band-width and freedom from the owes of control saturation. The trade-off between the value of gain and the degree of loop transfer recovery as well as the bounds on singular values of sensitivity and complementary sensitivity functions is shown clearly. Two numerical examples illustrate the advantages of the new compensator structure. The new compensator structure is inspired by a careful and clear understanding of how loop transfer recovery occurs when conventional observer based controllers are used. An elaborated version of the paper will appear in `Automatica'. |
| Starting Page | 812 |
| Ending Page | 817 |
| File Size | 573364 |
| Page Count | 6 |
| File Format | |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1990-05-23 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | American Automatic Control Council(AACC) |
| Subject Keyword | Transfer functions State feedback Open loop systems Robust stability Regulators Output feedback Automatic control MIMO Feedback control Robust control |
| Content Type | Text |
| Resource Type | Article |
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