This paper presents the modeling and analysis of the longitudinal dynamic of variable-sweep aircraft. The variable-sweep aircraft have complex nonlinear and time-varying characteristics. To capture the complicated characteristics of variable-sweep aircraft, a systematic modeling method of the longitudinal dynamics is investigated. By using Digital Datcom software, aerodynamic data of the morphing aircraft is obtained; then the nonlinear dynamic models of the variable-sweep aircraft is established. To facilitate future control design, a T-S fuzzy model was constructed based on the nonlinear model. Both models are simulated and analyzed. Comparison verifies the effectiveness of the T-S fuzzy model. The characteristics of the longitudinal dynamic are analyzed based on simulation results.
Control-oriented modeling and analysis of the longitudinal dynamics of variable-sweep aircraft
2014-08-01
166067 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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