1985•NASA STI Repository (National Aeronautics and Space Administration)Requires access
Analysis of flexible aircraft longitudinal dynamics and handling qualities. Volume 1: Analysis methods
Martin R. Waszak, Davey Schmidt
Open publisher page 2 citations
Abstract
As aircraft become larger and lighter due to design requirements for increased payload and improved fuel efficiency, they will also become more flexible. For highly flexible vehicles, the handling qualities may not be accurately predicted by conventional methods. This study applies two analysis methods to a family of flexible aircraft in order to investigate how and when structural (especially dynamic aeroelastic) effects affect the dynamic characteristics of aircraft. The first type of analysis is an open loop model analysis technique. This method considers the effects of modal residue magnitudes on determining vehicle handling qualities. The second method is a pilot in the loop analysis procedure that considers several closed loop system characteristics. Volume 1 consists of the development and application of the two analysis methods described above.