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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Priscila, F. B. Sousa Ana, P. Fernandes Borges, Vale´rio Luiz George, S. Dulikravich Guimara˜es, Gilmar |
| Copyright Year | 2008 |
| Abstract | This work presents a modified procedure to use the concept of dynamic observers based on Green’s functions to solve inverse problems. The original method can be divided in two distinct steps: i) obtaining a transfer function model GH and; ii) obtaining heat transfer functions GQ and GN and building an identification algorithm. The transfer function model, GH, is obtained from the equivalent dynamic systems theory using Green’s functions. The modification presented here proposes two different improvements in the original technique: i) A different method of obtaining the transfer function model, GH, using analytical functions instead of numerical procedures, and ii) Definition of a new concept of GH to allow the use of more than one response temperature. Obtaining the heat transfer functions represents an important role in the observer method and is crucial to allow the technique to be directly applied to two or three-dimensional heat conduction problems. The idea of defining the new GH function is to improve the robustness and stability of the algorithm. A new dynamic equivalent system for the thermal model is then defined in order to allow the use of two or more temperature measurements. Heat transfer function, GH can be obtained numerically or analytically using Green’s function method. The great advantage of deriving GH analytically is to simplify the procedure and minimize the estimative errors. |
| Sponsorship | Design Engineering Division and Computers in Engineering Division |
| Starting Page | 1017 |
| Ending Page | 1026 |
| Page Count | 10 |
| File Format | |
| ISBN | 9780791843277 |
| DOI | 10.1115/DETC2008-49062 |
| e-ISBN | 0791838315 |
| Volume Number | Volume 3: 28th Computers and Information in Engineering Conference, Parts A and B |
| Conference Proceedings | ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference |
| Language | English |
| Publisher Date | 2008-08-03 |
| Publisher Place | Brooklyn, New York, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Heat conduction Temperature measurement Errors Temperature Algorithms Inverse problems Stability Dynamic systems Transfer functions Robustness Green's function methods Heat transfer |
| Content Type | Text |
| Resource Type | Article |
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