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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kramer, S. Gesthuisen, R. Engell, S. |
| Copyright Year | 2005 |
| Description | Author affiliation: Deutsche BP AG, Chem. Production Koln, Germany (Kramer, S.; Gesthuisen, R.) |
| Abstract | In most chemical processes only some measurements are available online while other measurements are available infrequently and often with long delays. Multirate state estimation can optimally combine these different classes of measurements to improve the estimation quality compared to the fast measurements alone. The following new aspects of multirate state estimation are discussed in this paper: Firstly, we discuss the behaviour of variable and fixed structure estimation schemes and conclude that a fixed structure is preferable. Secondly, the moving horizon state estimator is extended to the multirate case in a fashion that corresponds to the fixed structure state estimation scheme. Finally, a performance gauge is proposed which measures the maximal improvements that can be obtained by using additional noisy slow measurements. The theoretical findings are supported by a simulation example. |
| Sponsorship | American Automatic Control Council |
| Starting Page | 4613 |
| Ending Page | 4618 |
| File Size | 369425 |
| Page Count | 6 |
| File Format | |
| ISBN | 0780390989 |
| ISSN | 07431619 |
| e-ISBN | 0780390997 |
| DOI | 10.1109/ACC.2005.1470723 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-06-08 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | American Automatic Control Council(AACC) |
| Subject Keyword | State estimation Sampling methods Chemical processes Delay estimation Fluid flow measurement Temperature measurement Control systems Gain measurement Extrapolation Chemical products |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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