Kamali, C and Pashilkar, A. A (2009) Nonlinear aerodynamic model structure determination using statistical measures. Project Report. National Aerospace Laboratories, Bangalore.
Full text available as:![[img]](http://nal-ir.nal.res.in/style/images/fileicons/application_pdf.png) | PDF - Published Version Restricted to Registered users only Download (161Kb) | Request a copy |
Abstract
The stepwise regression is a well-established technique used to determine aerodynamic model structure from flight data. This report discusses the application of stepwise regression to a nonlinear estimation method proposed previously by the authors, for model structure determination. The approach can also be used for the updating aerodynamic database models in table look-up form. The current results obtained for model structure determination for a reference problem are compared against the results obtained using the well known least squares multivariate linear estimation. Simulated data of a transport aircraft is used to prove the concept. Finally, an application of the technique for the aero database update of a high performance fighter aircraft is discussed.
| Item Type: | Proj.Doc/Technical Report (Project Report) |
|---|---|
| Uncontrolled Keywords: | Nonlinear parameter estimation, stepwise regression |
| Subjects: | AERONAUTICS > Aerodynamics |
| Division/Department: | Flight Mechanics and Control Division, Flight Mechanics and Control Division |
| Depositing User: | Ms Indrani V |
| Date Deposited: | 19 Jul 2011 10:11 |
| Last Modified: | 19 Jul 2011 10:11 |
| URI: | http://nal-ir.nal.res.in/id/eprint/9453 |
Actions (login required)
| View Item |
