dsp¶

dsp = CO2MPAS physical model¶

Wraps all functions needed to calibrate and predict light-vehicles’ CO2 emissions.

**CO2MPAS physical model’s data**¶
`CVT`	Continuously variable transmission model.
`MVL`	Matrix velocity limits (upper and lower bound) [km/h].
`accelerations`	Acceleration vector [m/s2].
`active_cylinder_ratios`
`after_treatment_speeds_delta`
`alternator_efficiency`
`auxiliaries_power_loss`
`auxiliaries_torque_loss_factors`
`belt_efficiency`
`belt_mean_efficiency`
`calibration_status`
`change_gear_window_width`	Time window used to apply gear change filters [s].
`clutch_window`	Clutching time window [s].
`co2_params`	CO2 emission model parameters (a2, b2, a, b, c, l, l2, t, trg).
`co2_params_calibrated`	CO2 emission model parameters (a2, b2, a, b, c, l, l2, t, trg).
`correct_start_stop_with_gears`	A flag to impose engine on when there is a gear > 0.
`dcdc_converter_efficiency`
`delta_time_engine_starter`
`drive_battery_load`
`drive_battery_n_cells`
`drive_battery_technology`
`engine_has_cylinder_deactivation`
`engine_has_variable_valve_actuation`
`engine_is_turbo`
`engine_n_cylinders`
`engine_speeds_out_hot`	Engine speed at hot condition [RPM].
`engine_starts`	When the engine starts [-].
`final_drive_mean_efficiency`
`final_drive_powers_in`	Final drive power in [kW].
`final_drive_powers_out`	Final drive power out [kW].
`final_drive_ratio`	Final drive ratio [-].
`final_drive_ratios`	Final drive ratios [-].
`final_drive_speeds_in`	Final drive speed in [RPM].
`first_gear_box_ratio`	Gear box ratio of first gear [-].
`fuel_saving_at_strategy`	Apply the eco-mode gear shifting?
`gear_box_powers_out`	Gear box power vector [kW].
`gear_box_ratios`	Gear box ratios [-].
`gear_box_speeds_in`	Gear box speed [RPM].
`gear_box_temperature_references`
`gear_box_type`	Gear box type (manual or automatic or cvt).
`gear_shifts`	When there is a gear shifting [-].
`gears`	Gear vector [-].
`has_energy_recuperation`
`has_gear_box_thermal_management`
`has_lean_burn`
`has_motor_p0`	Has the vehicle a motor in P0?
`has_motor_p1`	Has the vehicle a motor in P1?
`has_motor_p2`	Has the vehicle a motor in P2?
`has_motor_p2_planetary`	Has the vehicle a motor in planetary P2?
`has_motor_p3_front`	Has the vehicle a motor in P3 front?
`has_motor_p3_rear`	Has the vehicle a motor in P3 rear?
`has_motor_p4_front`	Has the vehicle a motor in P4 front?
`has_motor_p4_rear`	Has the vehicle a motor in P4 rear?
`has_selective_catalytic_reduction`
`has_start_stop`
`has_torque_converter`	Does the vehicle use torque converter? [-]
`hybrid_modes`
`idle_engine_speed`	Engine speed idle median and std [RPM].
`idle_engine_speed_median`
`idle_engine_speed_std`
`initial_engine_temperature`
`initial_temperature`	Initial temperature of the test cell [°C].
`is_cycle_hot`
`is_hybrid`	Sink node of the dispatcher that collects all unused outputs.
`is_serial`
`k1`	K1 NEDC parameter (first or second gear) [-].
`k2`	K2 NEDC parameter (first or second gear) [-].
`k5`	K5 NEDC parameter (first or second gear) [-].
`last_gear_box_ratio`	Gear box ratio of last gear [-].
`max_gear`	Maximum gear of the gear box [-].
`max_speed_velocity_ratio`
`max_velocity_full_load_correction`
`min_engine_on_speed`	Minimum engine speed to consider the engine to be on [RPM].
`min_time_engine_on_after_start`
`motive_powers`	Motive power [kW].
`motor_p0_efficiency`	Motor P0 efficiency [-].
`motor_p0_maximum_power`	Maximum power of motor P0 [kW].
`motor_p0_powers`	Power at motor P0 [kW].
`motor_p0_speed_ratio`
`motor_p1_efficiency`	Motor P1 efficiency [-].
`motor_p1_maximum_power`	Maximum power of motor P1 [kW].
`motor_p1_powers`	Power at motor P1 [kW].
`motor_p1_speed_ratio`
`motor_p2_efficiency`	Motor P2 efficiency [-].
`motor_p2_maximum_power`	Maximum power of motor P2 [kW].
`motor_p2_maximum_powers`	Maximum power vector of motor P2 [kW].
`motor_p2_planetary_efficiency`	Motor P2 efficiency [-].
`motor_p2_planetary_maximum_power`	Maximum power of planetary motor P2 [kW].
`motor_p2_planetary_powers`	Power at planetary motor P2 [kW].
`motor_p2_planetary_speed_ratio`
`motor_p2_speed_ratio`	Ratio between motor P2 speed and gear box speed [-].
`motor_p3_front_efficiency`	Motor P3 efficiency [-].
`motor_p3_front_electric_powers`	Electric power of motor P3 front [kW].
`motor_p3_front_maximum_power`	Maximum power of motor P3 [kW].
`motor_p3_front_maximum_powers`	Maximum power vector of motor P3 [kW].
`motor_p3_front_powers`	Power at motor P3 front [kW].
`motor_p3_front_speed_ratio`	Ratio between motor P3 speed and final drive speed in [-].
`motor_p3_rear_efficiency`	Motor P3 efficiency [-].
`motor_p3_rear_electric_powers`	Electric power of motor P3 rear [kW].
`motor_p3_rear_maximum_power`	Maximum power of motor P3 [kW].
`motor_p3_rear_maximum_powers`	Maximum power vector of motor P3 [kW].
`motor_p3_rear_powers`	Power at motor P3 rear [kW].
`motor_p3_rear_speed_ratio`	Ratio between motor P3 speed and final drive speed in [-].
`motor_p4_front_efficiency`	Motor P4 efficiency [-].
`motor_p4_front_electric_powers`	Electric power of motor P4 front [kW].
`motor_p4_front_maximum_power`	Maximum power of motor P4 [kW].
`motor_p4_front_maximum_powers`	Maximum power vector of motor P4 [kW].
`motor_p4_front_powers`	Power at motor P4 front [kW].
`motor_p4_front_speed_ratio`	Ratio between motor P4 speed and wheel speed [-].
`motor_p4_rear_efficiency`	Motor P4 efficiency [-].
`motor_p4_rear_electric_powers`	Electric power of motor P4 rear [kW].
`motor_p4_rear_maximum_power`	Maximum power of motor P4 [kW].
`motor_p4_rear_maximum_powers`	Maximum power vector of motor P4 [kW].
`motor_p4_rear_powers`	Power at motor P4 rear [kW].
`motor_p4_rear_speed_ratio`	Ratio between motor P4 speed and wheel speed [-].
`motors_electric_powers`	Cumulative motors electric power [kW].
`n_gears`	Number of gears [-].
`n_wheel_drive`	Number of wheel drive [-].
`on_engine`	If the engine is on [-].
`on_idle`	If the engine is on idle [-].
`planetary_mean_efficiency`	Planetary mean efficiency [-].
`planetary_ratio`	Fundamental planetary speed ratio [-].
`plateau_acceleration`
`r_dynamic`	Dynamic radius of the wheels [m].
`specific_gear_shifting`	Specific gear shifting model.
`speed_velocity_ratios`	Constant speed velocity (or velocity speed) ratios of the gear box [hRPM/km or km/(hRPM)].
`start_stop_activation_time`	Start-stop activation time threshold [s].
`start_stop_model`	Start/stop model.
`starter_efficiency`
`stop_velocity`	Maximum velocity to consider the vehicle stopped [km/h].
`time_cold_hot_transition`	Time at cold hot transition phase [s].
`time_sample_frequency`
`times`	Time vector [s].
`tyre_code`	Tyre code (e.g.,P225/70R14).
`tyre_dynamic_rolling_coefficient`	Dynamic rolling coefficient [-].
`use_dt_gear_shifting`	If to use decision tree classifiers to predict gears.
`velocities`	Velocity vector [km/h].
`velocity_speed_ratios`	Constant velocity speed ratios of the gear box [km/(h*RPM)].
`wheel_powers`	Power at the wheels [kW].
`wheel_speeds`	Rotating speed of the wheel [RPM].
`wltp_base_model`

**CO2MPAS physical model’s functions**¶
`calculate_final_drive_powers_out`	Calculate final drive power out [kW].
`calculate_gear_box_powers_out`	Calculate gear box power vector [kW].

**CO2MPAS physical model’s dispatchers**¶
`after_treat_model`	Models the after treatment.
`clutch_torque_converter_model`	Models the clutch and torque-converter.
`control_model`	Models the vehicle control strategy.
`cycle_model`	Returns the theoretical times, velocities, and gears.
`electric_model`	Models the vehicle electrics.
`engine_model`	Models the vehicle engine.
`final_drive_model`	Models the final drive.
`gear_box_model`	Models the gear box.
`wheels_model`	It models the wheel dynamics.