Methods and systems for analyzing flutter test data using non-linear transfer function frequency response fitting
US7054785B2 · kind B2 · utility
2Cited by
8References
22Claims
0Family size
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Key dates
| Filing date | Jun 24, 2003 |
| Grant date | May 30, 2006 |
| Priority date | — |
| Expiry date | Nov 19, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M5/0066
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and systems for analyzing flutter test data using non-linear transfer function frequency response fitting are provided. In one embodiment, a plurality of data points are read, with each data point representing a motion of an aeroelastic structure (e.g. an aircraft surface) at a different location. A closed form fit to the plurality of data points is performed to obtain an initial curve fit condition. At least one non-linear transfer function frequency response curve fit is then performed to the plurality of data points.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.