dsp = Vehicle free body diagram

Calculates forces and power acting on the vehicle.

Vehicle free body diagram’s data
accelerations Acceleration vector [m/s2].
aerodynamic_drag_coefficient Aerodynamic drag coefficient [-].
aerodynamic_resistances Aerodynamic resistance vector [N].
air_density Air density [kg/m3].
air_temperature Air temperature [°C].
angle_slope Angle slope [rad].
angle_slopes Angle slope vector [rad].
atmospheric_pressure Atmospheric pressure [kPa].
cargo_mass Cargo mass [kg].
climbing_force Vehicle climbing resistance [N].
correct_f0 A different preconditioning cycle was used for WLTP and NEDC?
curb_mass Curb mass [kg].
cycle_type Cycle type (WLTP or NEDC).
distances Cumulative distance vector [m].
elevations Elevation vector [m].
f0 Rolling resistance force [N] when angle_slope == 0.
f0_uncorrected Uncorrected rolling resistance force [N] when angle_slope == 0.
f1 Defined by dyno procedure [N/(km/h)].
f2 As used in the dyno and defined by respective guidelines [N/(km/h)^2].
frontal_area Frontal area of the vehicle [m2].
fuel_mass Fuel mass [kg].
has_roof_box Has the vehicle a roof box? [-].
inertial_factor Factor that considers the rotational inertia [%].
initial_velocity Initial velocity [km/h].
motive_forces Motive forces [N].
motive_powers Motive power [kW].
n_dyno_axes Number of dyno axes [-].
n_passengers Number of passengers including driver [-].
n_wheel Total number of wheels [-].
n_wheel_drive Number of wheel drive [-].
obd_velocities OBD velocity vector [km/h].
passenger_mass Average passenger mass [kg].
passengers_mass Passengers mass including the driver [kg].
path_distances Cumulative distance vector [m].
path_elevations Elevation vector [m].
raw_frontal_area Raw frontal area of the vehicle [m2].
road_loads Cycle road loads [N, N/(km/h), N/(km/h)^2].
road_state Road state (i.e., dry, wet, rainfall, puddles, ice).
rolling_resistance Rolling resistance force [N].
rolling_resistance_coeff Rolling resistance coefficient [-].
rotational_inertia_forces Rotational inertia forces [N].
slope_model Angle slope model [rad].
static_friction Static friction coefficient [-].
times Time vector [s].
tyre_category Tyre category (i.e., A, B, C, D, E, F, and G).
tyre_class Tyre class (i.e., C1, C2, and C3).
tyre_state Tyre state (i.e., new or worm).
unladen_mass Unladen mass [kg].
vehicle_body Vehicle body (i.e., cabriolet, sedan, hatchback, stationwagon, suv/crossover, mpv, coupé, bus, bestelwagen, pick-up).
vehicle_category Vehicle category (i.e., A, B, C, D, E, F, S, M, and J).
vehicle_height Vehicle height [m].
vehicle_mass Vehicle mass [kg].
vehicle_width Vehicle width [m].
velocities Velocity vector [km/h].
velocity_resistances Forces function of velocity [N].
wheel_drive_load_fraction Repartition of the load on wheel drive axles [-].
Vehicle free body diagram’s functions
apply_f0_correction Corrects the rolling resistance force [N] if a different preconditioning cycle was used for WLTP (WLTP precon) and NEDC (NEDC precon).
calculate_accelerations Calculates the acceleration from velocity time series [m/s2].
calculate_accelerations_v1 Calculates the acceleration from motive forces [m/s2].
calculate_aerodynamic_drag_coefficient Calculates the aerodynamic drag coefficient [-].
calculate_aerodynamic_drag_coefficient_v1 Calculates the aerodynamic drag coefficient [-].
calculate_aerodynamic_resistances Calculates the aerodynamic resistances of the vehicle [N].
calculate_air_density Calculates the air density [kg/m3].
calculate_angle_slopes Returns the angle slope vector [rad].
calculate_climbing_force Calculates the vehicle climbing resistance [N].
calculate_curb_mass Calculate unladen mass [kg].
calculate_distances Calculates the cumulative distance vector [m].
calculate_f0 Calculates rolling resistance [N].
calculate_f1 Calculates the f1 road load [N/(km/h)].
calculate_f2 Calculates the f2 coefficient [N/(km/h)^2].
calculate_frontal_area Calculates the vehicle frontal area [m2].
calculate_motive_forces Calculate motive forces [N].
calculate_motive_forces_v1 Calculate motive forces [N].
calculate_motive_powers Calculates motive power [kW].
calculate_passengers_mass Calculate passengers mass including driver [kg].
calculate_raw_frontal_area Calculates raw frontal area of the vehicle [m2].
calculate_raw_frontal_area_v1 Calculates raw frontal area of the vehicle [m2].
calculate_rolling_resistance Calculates rolling resistance [N].
calculate_rolling_resistance_coeff Calculates the rolling resistance coefficient [-].
calculate_rotational_inertia_forces Calculate rotational inertia forces [N].
calculate_traction_acceleration_limits Calculates the traction acceleration limits [m/s2].
calculate_unladen_mass Calculate unladen mass [kg].
calculate_unladen_mass_v1 Calculate unladen mass [kg].
calculate_vehicle_mass Calculate vehicle_mass [kg].
calculate_velocities Filters the obd velocities [km/h].
calculate_velocities_v1 Calculates the velocity from acceleration time series [km/h].
calculate_velocity_resistances Calculates forces function of velocity [N].
calculate_wheel_drive_load_fraction Calculate the repartition of the load on wheel drive axles [-].
default_n_wheel Returns the default total number of wheels [-].
default_static_friction Returns the default static friction coefficient [-].
define_slope_model Returns the angle slope model [rad].
define_slope_model Returns the angle slope model [rad].
define_slope_model_v1 Returns the angle slope model [rad].
grouping Returns the same arguments.
select_default_n_dyno_axes Selects the default number of dyno axes[-].
select_inertial_factor Selects the inertia factor [%] according to the number of dyno axes.
splitting Returns the same arguments.