Rotorcraft Flight Control Design using Quantitative Feedback Theory and Dynamic Crossfeeds (häftad)

Fler böcker inom

Pedagogik

Format: Häftad (Paperback / softback)
Språk: Engelska
Antal sidor: 90
Utgivningsdatum: 2013-03-12
Förlag: Biblioscholar
Medarbetare: National Aeronautics and Space Administr
Illustrationer: black & white illustrations
Dimensioner: 246 x 189 x 5 mm
Vikt
Antal komponenter: 1
Komponenter: Paperback
ISBN: 9781288911233

Rotorcraft Flight Control Design using Quantitative Feedback Theory and Dynamic Crossfeeds

Name: Rotorcraft Flight Control Design using Quantitative Feedback Theory and Dynamic Crossfeeds
Price: 675.00 SEK
Availability: InStock
Author: Rendy P Cheng, National Aeronautics And Space Administr
ISBN: 9781288911233

av Rendy P Cheng, National Aeronautics And Space Administr

Häftad, Engelska, 2013-03-12

675

Köp

Spara som favorit

Skickas från oss inom 7-10 vardagar.
Fri frakt över 249 kr för privatkunder i Sverige.

A multi-input, multi-output controls design with robust crossfeeds is presented for a rotorcraft in near-hovering flight using quantitative feedback theory (QFT). Decoupling criteria are developed for dynamic crossfeed design and implementation. Frequency dependent performance metrics focusing on piloted flight are developed and tested on 23 flight configurations. The metrics show that the resulting design is superior to alternative control system designs using conventional fixed-gain crossfeeds and to feedback-only designs which rely on high gains to suppress undesired off-axis responses. The use of dynamic, robust crossfeeds prior to the QFT design reduces the magnitude of required feedback gain and results in performance that meets current handling qualities specifications relative to the decoupling of off-axis responses. The combined effect of the QFT feedback design following the implementation of low-order, dynamic crossfeed compensator successfully decouples ten of twelve off-axis channels. For the other two channels it was not possible to find a single, low-order crossfeed that was effective.

Visa hela texten