traffic#

class airtrafficsim.core.traffic.Traffic(file_name, start_time, end_time, weather_mode, performance_mode)#

Initialize base traffic array to store aircraft state variables for one timestep.

Parameters:

file_nameString: Output file name
Nint: Total number of aircraft

Methods

`add_aircraft`(call_sign, aircraft_type, ...)	Add an aircraft to traffic array.
`del_aircraft`(index)	Delete an aircraft from traffic array.
`update`(global_time[, d_t])	Update aircraft state for each timestep given ATC/autopilot command.

n#: Aircraft count

index#: Index array to indicate whether there is an aircraft active in each index.

call_sign#: Callsign [string]

aircraft_type#: Aircraft type in ICAO format [string]

configuration#: Aircraft configuration [Configuration enum 1: Clean, 2: Take Off, 3: Approach, 4: Landing]

flight_phase#: Flight phase [Flight_phase enum] (BADA section 3.5)

lat#: Latitude [deg]

long#: Longitude [deg]

alt#: Altitude [ft] Geopotential altitude

trans_alt#: Transaition altitude [ft]

cruise_alt#: Cruise altitude [ft]

heading#: Heading [deg]

track_angle#: Track angle [deg]

bank_angle#: Bank angle [deg]

path_angle#: Path angle [deg]

cas#: Calibrated air speed [knot]

tas#: True air speed [knot]

gs_north#: Ground speed - North[knot]

gs_east#: Ground speed - East [knot]

mach#: Mach number [dimensionless]

accel#: Acceleration [m/s^2]

speed_mode#: Speed mode [Traffic.speed_mode enum 1: CAS, 2: MACH]

max_alt#: Maximum altitude [feet]

max_cas#: Maximum calibrated air speed [knot]

max_mach#: Maximum mach number [dimensionless]

vs#: Vertical speed [feet/min]

fpa#: Flight path angle [deg]

vertical_mode#: Vertical mode [Vertical mode enum 1: LEVEL, 2: CLIMB, 3: DESCENT]

mass#: Aircraft mass [kg]

empty_weight#: Empty weight [kg]

fuel_weight#: Initial fuel weight [kg]

payload_weight#: Payload weight [kg]

fuel_consumed#: Fuel consumped [kg]

perf#: Performance class

ap#: Autopilot class

weather#: Weather class

add_aircraft(call_sign, aircraft_type, flight_phase, configuration, lat, long, alt, heading, cas, fuel_weight, payload_weight, departure_airport, departure_runway, sid, arrival_airport, arrival_runway, star, approach, flight_plan, cruise_alt)#

Add an aircraft to traffic array.

Returns:

self.n-1: int: Index of the added aircraft

del_aircraft(index)#

Delete an aircraft from traffic array.

Parameters:

indexint: Index of an aircraft

update(global_time, d_t=1)#

Update aircraft state for each timestep given ATC/autopilot command.

Parameters:

d_t: float: delta time per timestep [s] TODO: need?