Quadrotor and its Control Lin Zhong ELEC424, Fall 2010
Lighter than air? Yes Motorized? Motorized? Yes Yes Fixed wing? Yes Rotary wing? Yes Balloon, blimp, glider Rotorcrafts Fixed blade pitch? Yes
Highest: 5m. Six bladed rotors De Bothezat Quadrotor, 1923 http://en.wikipedia.org/wiki/De_Bothezat_helicopter
Flight dynamics Roll, pitch and yaw
Earth axes Body axes eN: north eE: east eD: downward (gravity) X: nose forward Y: right of X Z: positive downward
Pitch (θ): X relative to horizon Roll (φ): Y relative to horizon Yaw (ψ): X relative to north