# -*- coding: utf-8 -*-
#
# Copyright 2015-2019 European Commission (JRC);
# Licensed under the EUPL (the 'Licence');
# You may not use this work except in compliance with the Licence.
# You may obtain a copy of the Licence at: http://ec.europa.eu/idabc/eupl
"""
Functions and `dsp` model to model the electric motor in P3 position.
"""
import schedula as sh
dsp = sh.BlueDispatcher(
name='Motor P3',
description='Models the motor P3 (motor upstream the final drive).'
)
[docs]@sh.add_function(
dsp, inputs=['motor_p3_front_powers'],
outputs=['motor_p3_front_maximum_power']
)
@sh.add_function(
dsp, inputs=['motor_p3_rear_powers'],
outputs=['motor_p3_rear_maximum_power']
)
def identify_motor_p3_maximum_power(motor_p3_powers):
"""
Identify the maximum power of motor P3 [kW].
:param motor_p3_powers:
Power at motor P3 [kW].
:type motor_p3_powers: numpy.array
:return:
Maximum power of motor P3 [kW].
:rtype: float
"""
from .p4 import identify_motor_p4_maximum_power as func
return func(motor_p3_powers)
[docs]@sh.add_function(
dsp, inputs=['motor_p3_front_torques'],
outputs=['motor_p3_front_maximum_torque']
)
@sh.add_function(
dsp, inputs=['motor_p3_rear_torques'],
outputs=['motor_p3_rear_maximum_torque']
)
def identify_motor_p3_maximum_torque(motor_p3_torques):
"""
Identify the maximum torque of motor P3 [N*m].
:param motor_p3_torques:
Torque at motor P3 [N*m].
:type motor_p3_torques: numpy.array
:return:
Maximum torque of motor P3 [N*m].
:rtype: float
"""
from .p4 import identify_motor_p4_maximum_torque as func
return func(motor_p3_torques)
[docs]@sh.add_function(
dsp, inputs=['motor_p3_front_rated_speed', 'motor_p3_front_maximum_torque'],
outputs=['motor_p3_front_maximum_power']
)
@sh.add_function(
dsp, inputs=['motor_p3_rear_rated_speed', 'motor_p3_rear_maximum_torque'],
outputs=['motor_p3_rear_maximum_power']
)
def calculate_motor_p3_maximum_power(
motor_p3_rated_speed, motor_p3_maximum_torque):
"""
Calculate the maximum power of motor P3 [kW].
:param motor_p3_rated_speed:
Rated speed of motor P3 [RPM].
:type motor_p3_rated_speed: float
:param motor_p3_maximum_torque:
Maximum torque of motor P3 [N*m].
:type motor_p3_maximum_torque: float
:return:
Maximum power of motor P3 [kW].
:rtype: float
"""
from .p4 import calculate_motor_p4_maximum_power as func
return func(motor_p3_rated_speed, motor_p3_maximum_torque)
[docs]@sh.add_function(
dsp, outputs=['motor_p3_front_rated_speed'],
inputs=['motor_p3_front_maximum_power', 'motor_p3_front_maximum_torque']
)
@sh.add_function(
dsp, outputs=['motor_p3_rear_rated_speed'],
inputs=['motor_p3_rear_maximum_power', 'motor_p3_rear_maximum_torque']
)
def calculate_motor_p3_rated_speed(
motor_p3_maximum_power, motor_p3_maximum_torque):
"""
Calculate the rated speed of motor P3 [RPM].
:param motor_p3_maximum_power:
Maximum power of motor P3 [kW].
:type motor_p3_maximum_power: float
:param motor_p3_maximum_torque:
Maximum torque of motor P3 [N*m].
:type motor_p3_maximum_torque: float
:return:
Rated speed of motor P3 [RPM].
:rtype: float
"""
from .p4 import calculate_motor_p4_rated_speed as func
return func(motor_p3_maximum_power, motor_p3_maximum_torque)
[docs]@sh.add_function(
dsp, outputs=['motor_p3_front_maximum_torque'],
inputs=['motor_p3_front_maximum_power', 'motor_p3_front_rated_speed']
)
@sh.add_function(
dsp, outputs=['motor_p3_rear_maximum_torque'],
inputs=['motor_p3_rear_maximum_power', 'motor_p3_rear_rated_speed']
)
def calculate_motor_p3_maximum_torque(
motor_p3_maximum_power, motor_p3_rated_speed):
"""
Calculate the maximum torque of motor P3 [N*m].
:param motor_p3_maximum_power:
Maximum power of motor P3 [kW].
:type motor_p3_maximum_power: float
:param motor_p3_rated_speed:
Rated speed of motor P3 [RPM].
:type motor_p3_rated_speed: float
:return:
Maximum torque of motor P3 [N*m].
:rtype: float
"""
from .p4 import calculate_motor_p4_maximum_torque as func
return func(motor_p3_maximum_power, motor_p3_rated_speed)
[docs]@sh.add_function(
dsp, inputs=['motor_p3_front_maximum_power', 'motor_p3_front_rated_speed'],
outputs=['motor_p3_front_maximum_power_function']
)
@sh.add_function(
dsp, inputs=['motor_p3_rear_maximum_power', 'motor_p3_rear_rated_speed'],
outputs=['motor_p3_rear_maximum_power_function']
)
def define_motor_p3_maximum_power_function(
motor_p3_maximum_power, motor_p3_rated_speed):
"""
Define the maximum power function of motor P3.
:param motor_p3_maximum_power:
Maximum power of motor P3 [kW].
:type motor_p3_maximum_power: float
:param motor_p3_rated_speed:
Rated speed of motor P3 [RPM].
:type motor_p3_rated_speed: float
:return:
Maximum power function of motor P3.
:rtype: function
"""
from .p4 import define_motor_p4_maximum_power_function as func
return func(motor_p3_maximum_power, motor_p3_rated_speed)
[docs]@sh.add_function(
dsp, outputs=['motor_p3_front_maximum_powers'],
inputs=['motor_p3_front_speeds', 'motor_p3_front_maximum_power_function']
)
@sh.add_function(
dsp, outputs=['motor_p3_rear_maximum_powers'],
inputs=['motor_p3_rear_speeds', 'motor_p3_rear_maximum_power_function']
)
def calculate_motor_p3_maximum_powers(
motor_p3_speeds, motor_p3_maximum_power_function):
"""
Calculate the maximum power vector of motor P3 [kW].
:param motor_p3_speeds:
Rotating speed of motor P3 [RPM].
:type motor_p3_speeds: numpy.array | float
:param motor_p3_maximum_power_function:
Maximum power function of motor P3.
:type motor_p3_maximum_power_function: function
:return:
Maximum power vector of motor P3 [kW].
:rtype: numpy.array | float
"""
from .p4 import calculate_motor_p4_maximum_powers as func
return func(motor_p3_speeds, motor_p3_maximum_power_function)
[docs]@sh.add_function(
dsp, inputs=['final_drive_speeds_in', 'motor_p3_front_speeds'],
outputs=['motor_p3_front_speed_ratio']
)
@sh.add_function(
dsp, inputs=['final_drive_speeds_in', 'motor_p3_rear_speeds'],
outputs=['motor_p3_rear_speed_ratio']
)
def identify_motor_p3_speed_ratio(final_drive_speeds_in, motor_p3_speeds):
"""
Identifies motor P3 speed ratio.
:param final_drive_speeds_in:
Final drive speed in [RPM].
:type final_drive_speeds_in: numpy.array
:param motor_p3_speeds:
Rotating speed of motor P3 [RPM].
:type motor_p3_speeds: numpy.array | float
:return:
Motor P3 speed ratio [-].
:rtype: float
"""
from .p4 import identify_motor_p4_speed_ratio as func
return func(final_drive_speeds_in, motor_p3_speeds)
dsp.add_data('motor_p3_front_speed_ratio', 1, sh.inf(10, 1))
dsp.add_data('motor_p3_rear_speed_ratio', 1, sh.inf(10, 1))
[docs]@sh.add_function(
dsp, inputs_kwargs=True, outputs=['motor_p3_front_speeds'],
inputs=['final_drive_speeds_in', 'motor_p3_front_speed_ratio']
)
@sh.add_function(
dsp, inputs_kwargs=True, outputs=['motor_p3_rear_speeds'],
inputs=['final_drive_speeds_in', 'motor_p3_rear_speed_ratio']
)
def calculate_motor_p3_speeds(final_drive_speeds_in, motor_p3_speed_ratio=1):
"""
Calculates rotating speed of motor P3 [RPM].
:param final_drive_speeds_in:
Final drive speed in [RPM].
:type final_drive_speeds_in: numpy.array
:param motor_p3_speed_ratio:
Ratio between motor P3 speed and final drive speed in [-].
:type motor_p3_speed_ratio: float
:return:
Rotating speed of motor P3 [RPM].
:rtype: numpy.array | float
"""
return final_drive_speeds_in * motor_p3_speed_ratio
[docs]@sh.add_function(
dsp, inputs_kwargs=True, outputs=['final_drive_speeds_in'],
inputs=['motor_p3_front_speeds', 'motor_p3_front_speed_ratio']
)
@sh.add_function(
dsp, inputs_kwargs=True, outputs=['final_drive_speeds_in'],
inputs=['motor_p3_rear_speeds', 'motor_p3_rear_speed_ratio']
)
def calculate_final_drive_speeds_in(motor_p3_speeds, motor_p3_speed_ratio=1):
"""
Calculates final drive speed [RPM].
:param motor_p3_speeds:
Rotating speed of motor P3 [RPM].
:type motor_p3_speeds: numpy.array | float
:param motor_p3_speed_ratio:
Ratio between motor P3 speed and final drive speed in [-].
:type motor_p3_speed_ratio: float
:return:
Final drive speed in [RPM].
:rtype: numpy.array | float
"""
return motor_p3_speeds / motor_p3_speed_ratio
[docs]@sh.add_function(
dsp, inputs=['motor_p3_front_powers', 'motor_p3_front_speeds'],
outputs=['motor_p3_front_torques']
)
@sh.add_function(
dsp, inputs=['motor_p3_rear_powers', 'motor_p3_rear_speeds'],
outputs=['motor_p3_rear_torques']
)
def calculate_motor_p3_torques(motor_p3_powers, motor_p3_speeds):
"""
Calculates torque at motor P3 [N*m].
:param motor_p3_powers:
Power at motor P3 [kW].
:type motor_p3_powers: numpy.array | float
:param motor_p3_speeds:
Rotating speed of motor P3 [RPM].
:type motor_p3_speeds: numpy.array | float
:return:
Torque at motor P3 [N*m].
:rtype: numpy.array | float
"""
from ...wheels import calculate_wheel_torques
return calculate_wheel_torques(motor_p3_powers, motor_p3_speeds)
[docs]@sh.add_function(
dsp, inputs=['motor_p3_front_torques', 'motor_p3_front_speeds'],
outputs=['motor_p3_front_powers']
)
@sh.add_function(
dsp, inputs=['motor_p3_rear_torques', 'motor_p3_rear_speeds'],
outputs=['motor_p3_rear_powers']
)
def calculate_motor_p3_powers(motor_p3_torques, motor_p3_speeds):
"""
Calculates power at motor P3 [kW].
:param motor_p3_torques:
Torque at motor P3 [N*m].
:type motor_p3_torques: numpy.array | float
:param motor_p3_speeds:
Rotating speed of motor P3 [RPM].
:type motor_p3_speeds: numpy.array | float
:return:
Power at motor P3 [kW].
:rtype: numpy.array | float
"""
from ...wheels import calculate_wheel_powers
return calculate_wheel_powers(motor_p3_torques, motor_p3_speeds)
[docs]@sh.add_function(
dsp, inputs=['motor_p3_front_powers', 'motor_p3_front_torques'],
outputs=['motor_p3_front_speeds']
)
@sh.add_function(
dsp, inputs=['motor_p3_rear_powers', 'motor_p3_rear_torques'],
outputs=['motor_p3_rear_speeds']
)
def calculate_motor_p3_speeds_v1(motor_p3_powers, motor_p3_torques):
"""
Calculates rotating speed of motor P3 [RPM].
:param motor_p3_powers:
Power at motor P3 [kW].
:type motor_p3_powers: numpy.array | float
:param motor_p3_torques:
Torque at motor P3 [N*m].
:type motor_p3_torques: numpy.array | float
:return:
Rotating speed of motor P3 [RPM].
:rtype: numpy.array | float
"""
from ...wheels import calculate_wheel_torques
return calculate_wheel_torques(motor_p3_powers, motor_p3_torques)
dsp.add_data('motor_p3_front_efficiency', 0.9)
dsp.add_data('motor_p3_rear_efficiency', 0.9)
[docs]@sh.add_function(
dsp, inputs=['motor_p3_front_powers', 'motor_p3_front_efficiency'],
outputs=['motor_p3_front_electric_powers']
)
@sh.add_function(
dsp, inputs=['motor_p3_rear_powers', 'motor_p3_rear_efficiency'],
outputs=['motor_p3_rear_electric_powers']
)
def calculate_motor_p3_electric_powers(motor_p3_powers, motor_p3_efficiency):
"""
Calculates motor P3 electric power [kW].
:param motor_p3_powers:
Power at motor P3 [kW].
:type motor_p3_powers: numpy.array | float
:param motor_p3_efficiency:
Motor P3 efficiency [-].
:type motor_p3_efficiency: float
:return:
Electric power of motor P3 [kW].
:rtype: numpy.array | float
"""
from .p4 import calculate_motor_p4_electric_powers as func
return func(motor_p3_powers, motor_p3_efficiency)
[docs]@sh.add_function(
dsp, inputs=['motor_p3_front_electric_powers', 'motor_p3_front_efficiency'],
outputs=['motor_p3_front_powers']
)
@sh.add_function(
dsp, inputs=['motor_p3_rear_electric_powers', 'motor_p3_rear_efficiency'],
outputs=['motor_p3_rear_powers']
)
def calculate_motor_p3_powers_v1(motor_p3_electric_powers, motor_p3_efficiency):
"""
Calculate motor P3 power from electric power and electric power losses [kW].
:param motor_p3_electric_powers:
Electric power of motor P3 [kW].
:type motor_p3_electric_powers: numpy.array | float
:param motor_p3_efficiency:
Motor P3 efficiency [-].
:type motor_p3_efficiency: float
:return:
Power at motor P3 [kW].
:rtype: numpy.array | float
"""
from .p4 import calculate_motor_p4_powers_v1 as func
return func(motor_p3_electric_powers, motor_p3_efficiency)
dsp.add_data('has_motor_p3_front', False, sh.inf(10, 3))
dsp.add_data('has_motor_p3_rear', False, sh.inf(10, 3))
[docs]@sh.add_function(
dsp, inputs=['motor_p3_front_maximum_power'], outputs=['has_motor_p3_front']
)
@sh.add_function(
dsp, inputs=['motor_p3_rear_maximum_power'], outputs=['has_motor_p3_rear']
)
def identify_has_motor_p3(motor_p3_maximum_power):
"""
Identify if the vehicle has a motor P3 [kW].
:param motor_p3_maximum_power:
Maximum power of motor P3 [kW].
:type motor_p3_maximum_power: float
:return:
Has the vehicle a motor in P3?
:rtype: bool
"""
from .p4 import identify_has_motor_p4 as func
return func(motor_p3_maximum_power)
[docs]@sh.add_function(
dsp, inputs=['times', 'has_motor_p3_front'],
outputs=['motor_p3_front_powers']
)
@sh.add_function(
dsp, inputs=['times', 'has_motor_p3_rear'], outputs=['motor_p3_rear_powers']
)
def default_motor_p3_powers(times, has_motor_p3):
"""
Return zero power if the vehicle has not a motor P3 [kW].
:param times:
Time vector [s].
:type times: numpy.array
:param has_motor_p3:
Has the vehicle a motor in P3?
:type has_motor_p3: bool
:return:
Power at motor P3 [kW].
:rtype: numpy.array
"""
from .p4 import default_motor_p4_powers as func
return func(times, has_motor_p3)
