The features of flight-dynamic single-rotor helicopter mathematical model: For application in autopilots that based on position-trajectory algorithms

Kulchenko, Artem; Vladimir, Kostukov; Verevkina, Lina; Chufistov, Vladimir M.

doi:10.1109/mmar.2014.6957391

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2023

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“…La Mantia and Dabnichki calculated optimal airfoil thicknesses based on the standard NACA airfoil shapes [4]. Kulchenko et al applied mathematical models for single-rotor helicopters for autopilot technology in 2014 [3]. Finally, Romani and Casalino elucidated the influence of rotor-induced vortices on the overall production of lift on the helicopter blades [10].…”

Section: Introductionmentioning

confidence: 99%

Flight Limitations Imposed on Single Rotor and Coaxial Helicopters by the Lift Equation

Maldon

Meylan

2023

ANZIAM J.

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To compute the maximum speed threshold for helicopters, we model the lift produced by the rotor blades. Using this model, we derive limits for each method traditionally used to alleviate dissymmetry of lift. Additionally, we find the minimum rotor angular velocity required to produce a prescribed lift at a given forward velocity. We derive conditions on the coefficient of lift for helicopter airfoils that maintain altitude. Further considerations are also made with regard to the properties of the air and its effect on helicopter dynamics.

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Section: Introductionmentioning

confidence: 99%