dsp

dsp = Gear box model

Models the gear box.

Gear box model’s data

CMV	A gear shifting model (cmv or gspv or dtgs).
CMV_Cold_Hot	A gear shifting model (cmv or gspv or dtgs).
CVT	Continuously variable transmission model.
DTGS	A decision tree to predict gears.
GSPV	A gear shifting model (cmv or gspv or dtgs).
GSPV_Cold_Hot	A gear shifting model (cmv or gspv or dtgs).
MGS	A gear shifting model (cmv or gspv or dtgs).
MVL	Matrix velocity limits (upper and lower bound) [km/h].
accelerations	Vehicle acceleration [m/s2].
change_gear_window_width	Time window used to apply gear change filters [s].
correct_gear	A function to correct the gear predicted.
cycle_type	Cycle type (WLTP or NEDC).
engine_coolant_temperatures	Engine coolant temperature vector [°C].
engine_mass	Engine mass [kg].
engine_max_power	Engine nominal power [kW].
engine_max_speed	Maximum allowed engine speed [RPM].
engine_max_torque	Engine Max Torque [N*m].
engine_speed_at_max_power	Rated engine speed [RPM].
engine_speed_at_max_velocity	Engine speed at maximum velocity [RPM].
engine_speeds_out	Engine speed vector [RPM].
engine_thermostat_temperature	Engine thermostat temperature [°C].
equivalent_gear_box_heat_capacity	Equivalent gear box heat capacity [kg*J/K].
f0	Rolling resistance force [N] when angle_slope == 0.
final_drive_mean_efficiency	Final drive mean efficiency [-].
final_drive_ratios	Final drive ratios [-].
first_gear_box_ratio	Gear box ratio of the first gear [-].
fuel_saving_at_strategy	Apply the eco-mode gear shifting?
full_load_curve	Vehicle full load curve.
full_load_speeds	T1 map speed vector [RPM].
gear_box_efficiencies	Gear box efficiency vector [-].
gear_box_efficiency_constants	Vehicle gear box efficiency constants.
gear_box_efficiency_parameters_cold_hot	Parameters of gear box efficiency model for cold/hot phases:
gear_box_loss_model	Gear box loss model.
gear_box_mean_efficiency	Gear box mean efficiency [-].
gear_box_mean_efficiency_guess	Gear box mean efficiency guess [-].
gear_box_powers_in	Gear box power in vector [kW].
gear_box_powers_out	Power at wheels vector [kW].
gear_box_ratios	Gear box ratios [-].
gear_box_speeds_in	Engine speed vector [RPM].
gear_box_speeds_out	Wheel speed vector [RPM].
gear_box_temperature_references	Cold and hot reference temperatures [°C].
gear_box_temperatures	Temperature vector [°C].
gear_box_torque_losses	Gear box torques losses [N*m].
gear_box_torques	Torque gear_box vector [N*m].
gear_box_torques_in	Torque required vector [N*m].
gear_box_torques_in<0>	Torque required vector [N*m].
gear_box_type	Gear box type (manual or automatic or cvt).
gear_shifting_model	Initialized gear shifting model (cmv or gspv or dtgs).
gear_shifting_model_raw	A gear shifting model (cmv or gspv or dtgs).
gear_shifts	When there is a gear shifting [-].
gears	Gear vector [-].
has_gear_box_thermal_management	Does the gear box have some additional technology to heat up faster?
has_torque_converter	Does the vehicle use torque converter?
idle_engine_speed	Engine speed idle median and std [RPM].
initial_gear_box_temperature	Initial gear box temperature [°C].
last_gear_box_ratio	Gear box ratio of the last gear [-].
max_gear	Maximum gear of the gear box [-].
max_speed_velocity_ratio	Maximum speed velocity ratio of the gear box [h*RPM/km].
max_velocity_full_load_correction	Maximum velocity to apply the correction due to the full load curve.
maximum_vehicle_laden_mass	Technically permissible maximum laden mass [kg].
maximum_velocity	Maximum velocity [km/h].
min_engine_on_speed	Minimum engine speed to consider the engine to be on [RPM].
motive_powers	Motive power [kW].
n_gears	Number of gears [-].
on_engine	If the engine is on [-].
plateau_acceleration	Maximum acceleration to be at constant velocity [m/s2].
r_dynamic	Dynamic radius of the wheels [m].
road_loads	Cycle road loads [N, N/(km/h), N/(km/h)^2].
specific_gear_shifting	Specific gear shifting model.
speed_velocity_ratios	Speed velocity ratios of the gear box [h*RPM/km].
stop_velocity	Maximum velocity to consider the vehicle stopped [km/h].
time_cold_hot_transition	Time at cold hot transition phase [s].
times	Time vector [s].
use_dt_gear_shifting	If to use decision tree classifiers to predict gears.
velocities	Vehicle velocity [km/h].
velocity_speed_ratios	Constant velocity speed ratios of the gear box [km/(h*RPM)].

Gear box model’s functions

bypass	Returns the same arguments.
bypass	Returns the same arguments.
calculate_equivalent_gear_box_heat_capacity	Calculates the equivalent gear box heat capacity [kg*J/K].
calculate_gear_box_efficiencies	Calculates gear box efficiency [-].
calculate_gear_box_efficiencies_torques_temperatures	Calculates gear box efficiency [-], torque in [N*m], and temperature [°C].
calculate_gear_box_efficiencies_torques_temperatures	Calculates gear box efficiency [-], torque in [N*m], and temperature [°C].
calculate_gear_box_efficiency_parameters_cold_hot	Calculates the parameters of gear box efficiency model for cold/hot phases.
calculate_gear_box_mean_efficiency_guess	Calculate gear box mean efficiency guess [-].
calculate_gear_box_mean_efficiency_guess	Calculate gear box mean efficiency guess [-].
calculate_gear_box_powers_in	Calculates gear box power [kW].
calculate_gear_box_torques	Calculates torque entering the gear box [N*m].
calculate_gear_box_torques_in	Calculates torque required according to the temperature profile [N*m].
calculate_gear_shifts	Returns when there is a gear shifting [-].
calculate_torques_losses	Calculates gear box torque losses [N*m].
correct_gear_box_torques_in	Corrects the torque when the gear box ratio is equal to 1.
define_gear_box_loss_model	Defines the gear box loss model.
define_gear_box_loss_model	Defines the gear box loss model.
get_gear_box_efficiency_constants	Returns vehicle gear box efficiency constants (gbp00, gbp10, and gbp01).
identify_gear_box_mean_efficiency	Identify gear box mean efficiency [-].
initialize_gear_shifting_model	Initialize the gear shifting model.

Gear box model’s dispatchers

at_gear_shifting	Defines an omni-comprehensive gear shifting model for automatic vehicles.
cvt_model	Models the gear box.
manual_gear_shifting	Models the manual gear shifting.
mechanical model	Models the gear box mechanical.
no_model	Bypass for the gear box.