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Research Paper | Mathematics | Pakistan | Volume 5 Issue 6, June 2016 | Popularity: 6.7 / 10

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Conversion of Nonlinear Quadcopter Mathematical Model to Linear Simplified Model

M Rehan Khan, Sidra Malik

Abstract: Quadcopter control is a fundamentally difficult and interesting problem. With six degrees of freedom (three translational and three rotational) and only four independent inputs (rotor speeds), quadcopters are severely under actuated. In order to achieve six degrees of freedom, rotational and translational motion are coupled. The resulting dynamics are highly nonlinear, especially after accounting for the complicated aerodynamic effects. Finally, unlike ground vehicles, helicopters have very little friction to prevent their motion, so they must provide their own damping in order to stop moving and remain stable. Together, these factors create a very interesting control problem. We will present a very simplified model of quadcopter and removes nonlinearity from system modeling by using tayler expansions and trigonometric identies.

Keywords: Translational, Rotational, Quadcopter, nonlinear, dynamic

Edition: Volume 5 Issue 6, June 2016

Pages: 1954 - 1956

DOI: https://www.doi.org/10.21275/NOV164635

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