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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Balas, Gary J. Doyle, John C. |
| Copyright Year | 1989 |
| Description | Author affiliation: Graduate Aeronautical Laboratories, California Institute of Technology, Pasadena, Ca. 91125 (Balas, Gary J.) || Dept. of Electrical Engineering, California Institute of Technology, Pasadena, Ca. 91125 (Doyle, John C.) |
| Abstract | An accurate multivariable transfer function model of an experimental structure is required for research involving robust control of flexible structures. Initially, a multi-input/multi-output model of the structure is generated using the finite element method. This model was insufficient due to its variation from the experimental data. Therefore, Chebyshev polynomials are employed to fit the data with a single-input/multi-output transfer function models. Combining these lead to a multivariable model with more modes than the original finite element model. To find a physically motivated model, as ad hoc model reduction technique which uses a priori knowledge of the structure is developed. The ad hoc approach is compared with balanced realisation model reduction to determine its benefits. Plots of select transfer function models and experimental data are included. |
| Starting Page | 2566 |
| Ending Page | 2571 |
| File Size | 642601 |
| Page Count | 6 |
| File Format | |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1989-06-21 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | American Automatic Control Council(AACC) |
| Subject Keyword | Robust control Flexible structures Uncertainty Transfer functions Control design MIMO Curve fitting Chebyshev approximation Reduced order systems Laboratories |
| Content Type | Text |
| Resource Type | Article |
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