def _update_velocity_data(self, wind=np.zeros((6, 1))):
    steady_state = wind[0:3]
    gust = wind[3:6]
    ur = ((self._state.item(3) - steady_state[0]) - gust[0])
    vr = ((self._state.item(4) - steady_state[1]) - gust[1])
    wr = ((self._state.item(5) - steady_state[2]) - gust[2])
    self._Va = np.sqrt((((ur ** 2) + (vr ** 2)) + (wr ** 2)))
    self._alpha = np.arctan2(wr, ur)
    self._beta = np.arcsin((vr / self._Va))
def _update_velocity_data(self, wind=np.zeros((6, 1))):
    steady_state = wind[0:3]
    gust = wind[3:6]
    ur = ((self._state.item(3) - steady_state[0]) - gust[0])
    vr = ((self._state.item(4) - steady_state[1]) - gust[1])
    wr = ((self._state.item(5) - steady_state[2]) - gust[2])
    self._Va = np.sqrt((((ur ** 2) + (vr ** 2)) + (wr ** 2)))
    self._alpha = np.arctan2(wr, ur)
    self._beta = np.arcsin((vr / self._Va))