Derivation of Discharge Cut-off Condition in Hovering Flight Using DC Motor Equivalent Circuit Model and Hover Endurance Analysis of Multicopters

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  • DCモータ等価回路モデルに基づくホバリング時の放電終止条件の導出と マルチコプターのホバリング飛行時間解析
  • DC モータ トウカ カイロ モデル ニ モトズク ホバリングジ ノ ホウデン シュウシ ジョウケン ノ ドウシュツ ト マルチコプター ノ ホバリング ヒコウ ジカン カイセキ

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<p>Recentry, there is a strong demand for endurance improvement of multicopters with electric propulsion system. As for the hover endurance, it mainly depends on the power consumption and the effective battery capacity in hover condition. In this work, the motor operating condition for hovering is derived from propeller characteristic and DC motor equivalent circuit model. Using these conditions, new discharge cut-off conditions which enable us to determine the proper effective capacity in hovering flight are derived. The hover endurance analysis according to the estimated effective capacity is discussed. The parametric study of hover endurance with respect to the takeoff weight and the battery weight to payload ratio is shown for a model quadcopter. </p>

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