Calculation of the longitudinal stability derivatives of a transport aircraft and analysis of longitudinal modes

  • Authors:

  • Uğur Özdemir;Elbrous M. Jafarov;Mehmet Ş. Kavsaoğlu

  • Affiliations:

  • Department of Aeronautics and Astronautics, Istanbul Technical University, Istanbul, Turkey;Department of Aeronautics and Astronautics, Istanbul Technical University, Istanbul, Turkey;Department of Aeronautics and Astronautics, Istanbul Technical University, Istanbul, Turkey

  • Venue:
  • ACMOS'07 Proceedings of the 9th WSEAS international conference on Automatic control, modelling and simulation
  • Year:
  • 2007

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Abstract

In this study, the longitudinal stability derivatives of a transport aircraft have been calculated by modeling the aircraft configuration and flight condition. The applying method is able to use for all sizes of civil and military aircrafts. As a second step, the longitudinal motion of aircraft is investigated and the transfer functions of linearized equations of motion have been obtained. Phugoid and short period modes have been investigated. Frequency-response and transient-response analysis have been performed respectively by using Matlab Simulink.