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Determining Aircraft Moments of Inertia from Flight Test Data

NASA (NTRS) · 2020

Open the PDFPublic domain · NASA (NTRS)Technical Reports

Overview

Flight test maneuver design and dynamic modeling techniques were developed for determining aircraft moments of inertia from flight test data. Full nonlinear rigid-body rotational equations of motion were used in the analysis, with aerodynamic moment dependencies modeled by linear expansions in the…

Pages
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18

Key points

  • The document discusses methods for determining aircraft moments of inertia using flight test data.
  • It emphasizes the importance of accurate modeling and simulation in the analysis of aircraft dynamics.
  • The study presents a nonlinear approach to estimating moments of inertia, which can improve the accuracy of flight tests.
  • Results indicate that the proposed methods can produce accurate estimations of inertia parameters.
  • The document highlights the use of optimized input designs for flight tests to enhance data collection efficiency.
Frequently asked questions
What is the main focus of the document?

The document focuses on determining aircraft moments of inertia from flight test data using various modeling and simulation techniques.

What methods are discussed for estimating moments of inertia?

The document discusses a nonlinear approach to estimating moments of inertia, which aims to enhance the accuracy of the estimations derived from flight test data.

Why is accurate modeling important in this context?

Accurate modeling is crucial for analyzing aircraft dynamics and ensuring that the estimations of inertia parameters are reliable and useful for aircraft design and testing.

What are the benefits of the proposed methods?

The proposed methods can produce accurate estimations of inertia parameters and improve the overall efficiency of flight tests through optimized input designs.

How does the document suggest improving data collection during flight tests?

The document suggests using optimized input designs for flight tests, which can enhance the robustness and efficiency of data collection during maneuvers.

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Source & rights

Source: ntrs.nasa.gov. Public-domain U.S. Government work (17 USC §105) — freely reproducible.

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Document details

Doc number
·
Publisher
·
NASA (NTRS)
Year
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2020
Pages
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18
File size
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492 KB