"""Classes for Taxi sequences."""
# This file is part of FAST-OAD : A framework for rapid Overall Aircraft Design
# Copyright (C) 2024 ONERA & ISAE-SUPAERO
# FAST is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from dataclasses import dataclass
from typing import Tuple
import pandas as pd
from fastoad.model_base import FlightPoint
from fastoad.models.performances.mission.polar import Polar
from fastoad.models.performances.mission.segments.base import (
RegisterSegment,
)
from fastoad.models.performances.mission.segments.time_step_base import (
AbstractFixedDurationSegment,
AbstractLiftFromAoASegment,
AbstractManualThrustSegment,
)
[docs]@RegisterSegment("taxi")
@dataclass
class TaxiSegment(
AbstractManualThrustSegment, AbstractFixedDurationSegment, AbstractLiftFromAoASegment
): # noqa: F821
"""
Class for computing Taxi phases.
Taxi phase has a target duration (target.time should be provided) and is at
constant altitude, speed and thrust rate.
"""
polar: Polar = None
reference_area: float = 1.0
time_step: float = 60.0
true_airspeed: float = 0.0
[docs] def get_gamma_and_acceleration(self, flight_point: FlightPoint) -> Tuple[float, float]:
return 0.0, 0.0
[docs] def compute_from_start_to_target(self, start: FlightPoint, target: FlightPoint) -> pd.DataFrame:
start.mach = None
start.equivalent_airspeed = None
start.true_airspeed = self.true_airspeed
self.complete_flight_point(start)
return super().compute_from_start_to_target(start, target)