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Dynamic stability study of a conceptual fluidic thrust-vectored aerial tail-sitter

Saghafi, F ; Sharif University of Technology | 2006

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  1. Type of Document: Article
  2. DOI: 10.2514/6.2006-6483
  3. Publisher: 2006
  4. Abstract:
  5. In this paper, the dynamic stability of a small thrust-vectored flapless aerial vehicle is investigated. The study was based on linearization of nonlinear equations of motion, using the aircraft longitudinal and lateral-directional stability derivatives. Since the aircraft was supposed to be merely controlled by fluidic thrust vectoring, the concept was novel and some innovative derivatives had to be introduced. The aircraft characteristic equations were then derived in terms of the obtained derivatives and used for dynamic stability analysis and flying quality assessment in horizontal flight. As well, nonlinear simulation modeling was used for dynamical mode excitation and observation. All the results confirmed that the aircraft was dynamically stable and had satisfactory flying qualities. The linear and nonlinear mathematical model, developed in this research, could be a new study of the potential uses of fluidic thrust vectoring as a valuable substitute for the conventional control surfaces and establish a baseline for further studies on the other dynamical and control issues of such a conceptual aircraft in all flight phases. Copyright © 2006 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved
  6. Keywords:
  7. Conceptual aircrafts ; Flight phases ; Fluidic thrust vectoring ; Nonlinear simulation ; Aerodynamics ; Computer simulation ; Equations of motion ; Fluidics ; Linearization ; Mathematical models ; Aerospace vehicles
  8. Source: AIAA Modeling and Simulation Technologies Conference, 2006, Keystone, CO, 21 August 2006 through 24 August 2006 ; Volume 2 , 2006 , Pages 713-724 ; 1563478218 (ISBN); 9781563478215 (ISBN)
  9. URL: https://arc.aiaa.org/doi/abs/10.2514/6.2006-6483