| Title:
|
Detection and accommodation of second order distributed parameter systems with abrupt changes in input term: stability and adaptation (English) |
| Author:
|
Demetriou, Michael A. |
| Author:
|
Polycarpou, Marios M. |
| Language:
|
English |
| Journal:
|
Kybernetika |
| ISSN:
|
0023-5954 |
| Volume:
|
34 |
| Issue:
|
6 |
| Year:
|
1998 |
| Pages:
|
[667]-679 |
| Summary lang:
|
English |
| . |
| Category:
|
math |
| . |
| Summary:
|
In this note, we employ nonlinear on-line parameter estimation methods based on adaptive neural network approximators for detecting changes due to actuator faults in a class of second order distributed parameter systems. The motivating example is a cantilevered beam actuated via a pair of piezoceramic patches. We examine changes in the control input term, which provide a simple and practical model of actuator failures. Using Lyapunov redesign methods, a stable learning scheme for fault diagnosis is proposed. The resulting fault diagnosis scheme is utilized for control reconfiguration in order to accommodate the system’s actuator failure. A numerical algorithm is provided for the implementation of the detection and accommodation scheme and simulation studies are used to illustrate the applicability of the theoretical results. (English) |
| Keyword:
|
nonlinear estimator |
| Keyword:
|
fault detection |
| Keyword:
|
Lyapunov redesign methods |
| MSC:
|
65K10 |
| MSC:
|
93C10 |
| MSC:
|
93C40 |
| MSC:
|
93E10 |
| MSC:
|
93E12 |
| idZBL:
|
Zbl 1274.93145 |
| idMR:
|
MR1695370 |
| . |
| Date available:
|
2009-09-24T19:21:39Z |
| Last updated:
|
2015-03-28 |
| Stable URL:
|
http://hdl.handle.net/10338.dmlcz/135253 |
| . |
| Reference:
|
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| Reference:
|
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| Reference:
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| . |
