The research proposes a six-degree-of-freedom mathematical model of a light sport aircraft that shows both longitudinal and lateral-directional stability analytically. The aerodynamic model equations are made up of both the kinematics equations of motion and the kinetics equations of aerodynamic forces and moments. The perturbed dynamic system’s responses at trim demonstrate dynamic stability of both the short-period pitching oscillation and the phugoid in longitudinal axis, according to simulation results. In lateral-directional axes, the spiral, roll subsidence, and dutch roll modes are all dynamically stable. Before undertaking an operational flight test, these are required to understand and evaluate the dynamic behaviour, stability, safety, and other characteristics of the intended aircraft using a mathematical model.
Author (s) Details
Sinchai Chinvorarat
Department of Mechanical and Aerospace Engineering King Mongkut’s University of Technology North Bangkok 1518 Pracharaj 1, Bangkok, 10800, Thailand.
Boonchai Watjatrakul
Department of Mechanical and Aerospace Engineering King Mongkut’s University of Technology North Bangkok 1518 Pracharaj 1, Bangkok, 10800, Thailand.
Pongsak Nimdum
Department of Mechanical and Aerospace Engineering King Mongkut’s University of Technology North Bangkok 1518 Pracharaj 1, Bangkok, 10800, Thailand.
Teerawat Sangpet
Department of Mechanical and Aerospace Engineering King Mongkut’s University of Technology North Bangkok 1518 Pracharaj 1, Bangkok, 10800, Thailand.
Tosaporn Soontornpasatch
Department of Mechanical and Aerospace Engineering King Mongkut’s University of Technology North Bangkok 1518 Pracharaj 1, Bangkok, 10800, Thailand.
Pumyos Vallikul
Department of Mechanical and Aerospace Engineering King Mongkut’s University of Technology North Bangkok 1518 Pracharaj 1, Bangkok, 10800, Thailand.
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