EP3606785A1 - Procédé pour compenser les pertes de fonctionnement au ralenti dans un véhicule électrique, produit de programme informatique, support de données et véhicule électrique - Google Patents

Procédé pour compenser les pertes de fonctionnement au ralenti dans un véhicule électrique, produit de programme informatique, support de données et véhicule électrique

Info

Publication number
EP3606785A1
EP3606785A1 EP18716924.8A EP18716924A EP3606785A1 EP 3606785 A1 EP3606785 A1 EP 3606785A1 EP 18716924 A EP18716924 A EP 18716924A EP 3606785 A1 EP3606785 A1 EP 3606785A1
Authority
EP
European Patent Office
Prior art keywords
electric vehicle
drive unit
losses
battery
compensated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP18716924.8A
Other languages
German (de)
English (en)
Inventor
Michael ANIS
Rainer Wrede
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Volkswagen AG
Original Assignee
Volkswagen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Volkswagen AG filed Critical Volkswagen AG
Priority to EP21206120.4A priority Critical patent/EP4015282A3/fr
Publication of EP3606785A1 publication Critical patent/EP3606785A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/24—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/28—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/2045—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for optimising the use of energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66—Arrangements of batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/423—Torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/429—Current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2260/00—Operating Modes
    • B60L2260/20—Drive modes; Transition between modes
    • B60L2260/24—Coasting mode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
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    • B60Y2200/91—Electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
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    • B60Y2200/92—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Definitions

  • the present invention relates to a method for compensating idle losses in an electric vehicle having a first drive unit in the form of an electric machine and a second drive unit for driving the electric vehicle.
  • the invention further relates to a computer program product and a data carrier with a computer program product stored thereon.
  • the invention relates to an electric vehicle with a first drive unit in the form of an electric machine and a second drive unit for driving or decelerating the electric vehicle.
  • DE 10 2013 12 388 A1 in particular a drive train of a hybrid electric vehicle is described, which is designed as a hybridized drive train for several different drive machines.
  • an internal combustion engine and at least one electric machine are used. Depending on the operating status, these machines are integrated or coupled differently.
  • the machines are functionally integrated in the drive train individually or in groups in different operating states.
  • the operating states are adapted to the respective requirements of the driving operation of the hybrid electric vehicle.
  • the one or more electric machines can be operated both as drive motors and as power generators.
  • the present invention relates to a suitable method for operating the drive train.
  • DE 10 2013 1 12 388 A1 discloses a device and a method, by means of which the drive train can be controlled in a predefined manner as a function of a load request on the same by the different machines of the motor vehicle.
  • an electric machine in an operating state in which the electric machine in the sense of a driving request of the driver neither a positive nor a negative moment for driving or accelerating or braking the
  • Object of the present invention is to at least partially take into account the above problem.
  • it is an object of the present invention, a method, a computer program product, a data carrier with the
  • Computer program product and an electric vehicle to provide, by means of which no-load losses can be safely and efficiently compensated for an electric machine of the electric vehicle in an operating state of the electric machine in which the electric machine is to make neither a positive nor a negative moment.
  • a method of compensating for no-load losses in an electric vehicle having a first drive unit in the form of an electric machine powered to drive the electric vehicle by at least one battery of the electric vehicle and a second drive unit for driving provided by the electric vehicle.
  • a first drive unit in the form of an electric machine powered to drive the electric vehicle by at least one battery of the electric vehicle and a second drive unit for driving provided by the electric vehicle.
  • Tank filling of a fuel tank for an internal combustion engine which is designed as the second drive unit to compensate for a general operating condition of the internal combustion engine and / or an operating state of the drive train of the electric vehicle.
  • the adaptive compensation of the idling losses can be different
  • Energy storage of the electric vehicle that is, for example, the fuel tank and / or the at least one battery for the electric machine, use sparingly and safely.
  • Under the battery is in particular a power battery for electricity and / or
  • the battery can supply other electrical machines with electrical energy.
  • the first drive unit or the corresponding electric machine and idling losses can be compensated by other electric machines of the electric vehicle.
  • the electric vehicle may be configured as a hybrid electric vehicle with an internal combustion engine or as a pure electric vehicle with a plurality of electric machines. If the electric vehicle is designed as a hybrid electric vehicle, the second drive unit can be designed in the form of an internal combustion engine. If the electric vehicle as pure
  • the second drive unit as a further electrical
  • the electric vehicle is therefore a motor vehicle with at least one electric machine.
  • the electric machine is operated electrically neutral by means of the internal combustion engine or mechanically neutral by means of the battery, depending on the predictive route data, the vehicle data and / or the second drive unit used. Under a different compensation is
  • the idle losses are calculated using an associated first one
  • Energy source compensated For example, if second defined predictive path data is determined that differs from the first defined predictive path data, the idle losses are compensated using an associated second energy source. When compensating the no-load losses, drag losses that exist in the idling operation of the electric vehicle on the first drive unit are compensated.
  • the idling losses can be understood as torques which arise as a result of a required dragging of the electric machine in an operating state in which the electric machine is to set neither a positive nor a negative torque.
  • Predictive route data can be understood as meaning various influencing factors which can act on the electric vehicle in the course of a predictable drive of the electric vehicle.
  • influencing factors can be environmental influences such as precipitation, temperature or humidity.
  • the electric machine in the idle state depending on, for example, be compensated differently, whether it is snowing, the sun is shining, hot, cold, rainy, has high humidity, and / or has low humidity.
  • the driving of the electric vehicle is to be understood in particular as accelerating or decelerating the electric vehicle.
  • the vehicle data to be taken into consideration preferably has a charge state of the at least one battery of the electric vehicle, wherein no-load losses are compensated depending on the charge state of the at least one battery.
  • the predictive route data preferably has a charge state of the at least one battery of the electric vehicle, wherein no-load losses are compensated depending on the charge state of the at least one battery.
  • the predictive route data can also have a speed profile of the
  • the second drive unit is designed in the form of an internal combustion engine, wherein the idling losses in an operating state of the electric vehicle, in which the state of charge of the at least one battery below a defined
  • Threshold is electrically neutral mechanically compensated by the internal combustion engine. In an electrically neutral compensation loss moments in the
  • Coordinates torque structure and the electric machine is operated so that no current flows.
  • Idling torques are compensated in this case by the internal combustion engine with an additional torque. That is, in an electrically neutral and mechanical compensation, the electric machine can be operated as a generator.
  • the generator torque is selected so that the generated current is equal to zero in accordance with a zero-current control.
  • the torque request to the internal combustion engine is preferably composed of the driver's desired torque and the generator torque of the electric motor, which corresponds to the behavior of the load point increase together.
  • the losses are electrically neutral compensated mechanically neutral by the internal combustion engine.
  • it can be prevented that the battery discharges too deeply and thus there is no longer sufficient electrical energy available to drive the electric vehicle later by means of the electric machine.
  • a deep discharge or at least too frequent a deep discharge of the at least one battery can thereby be avoided.
  • Driver request torque can be a readjustment of the accelerator pedal position by the driver to be avoided, resulting in a more pleasant accelerator pedal feel.
  • the second drive unit is designed in the form of an internal combustion engine, wherein the
  • Idle losses in an operating state in which flowing traffic and / or a flat or substantially flat driving route are predicted, be neutralized electrically neutral mechanically by means of the internal combustion engine. That is, if it is determined that the electric vehicle is likely to be traveling on the freeway or on a low-traffic freeway, for example, at night between 8:00 pm and 6:00 am, it may be expected that there will be little opportunity to recover braking energy. For routes with a low Rekuperationsanteil (braking energy per kilometer) for the reasons mentioned above, the electrically neutral compensation of advantage.
  • the second drive unit is configured in the form of another electric machine, wherein the idling losses at the first drive unit depending on the predictive track data and / or the vehicle data of the electric vehicle electrically neutral mechanically by the further electrical Machine, which is operated as a motor to be compensated.
  • the further electric machine idling losses can be compensated for particularly efficient, since the other electric machine anyway for the drive or the propulsion of the electric vehicle is used.
  • the further electric machine basically assumes the above-described function of
  • Drive unit can be understood as the second drive unit and the second drive unit as the first drive unit.
  • the no-load losses in an operating state of the electric vehicle in which the state of charge of the at least one battery is above a defined threshold value, are compensated mechanically neutral electrically by means of the at least one battery.
  • the nominal torque of the electric machine is equal to zero and the compensation of the idling torques is carried out electrically by means of electrical energy from the at least one battery.
  • Energy from a recuperation is cheaper than energy from a load point shift or energy, the combustion of fuel from a
  • Fuel tank of the electric vehicle is converted by the internal combustion engine. Through targeted use of the mechanically neutral compensation, the electric vehicle can therefore be operated particularly efficiently.
  • Idling torques in an operating state of the electric vehicle in which tough traffic, stop & go, and / or a hilly route are predicted, are mechanically neutral compensated electrically by means of the at least one battery.
  • a predictive routing for example by means of a navigation system, it can be predicted at which times braking energy can be recovered. This is the case, for example, if the route contains many sections with downhill runs or if it is an inner-city route with many traffic lights.
  • Rekuperationsanteil braking energy per kilometer
  • a computer program product stored on a data carrier and configured to perform a method as described in detail above. That brings that
  • the computer program product may be implemented as a computer-readable instruction code in any suitable programming language such as JAVA, C ++, etc.
  • Computer program product may be stored on a computer-readable storage medium (data disc, removable drive, volatile or nonvolatile memory, built-in memory / processor, etc.) be stored.
  • the instruction code may program a computer or other programmable devices such as an electric vehicle control unit such that the
  • the computer program product may be provided in a network, such as the Internet, from which it may be downloaded by a user as needed.
  • the computer program product can be used both by means of a computer program, i. software, as well as by means of one or more special electronic circuits, i. in hardware, or in any hybrid form, i. be realized by means of software components and hardware components.
  • a data carrier having a computer program product stored thereon as described above.
  • the data carrier according to the invention also brings with it the advantages as described above.
  • Drive unit in the form of an electric machine, which is supplied with power for driving the electric vehicle by at least one battery of the electric vehicle, and a second drive unit for driving the electric vehicle, wherein stored in the electric vehicle and configured as described above computer program product, in an idling operation of the first drive unit, in which the first drive unit is to set neither a positive nor a negative torque,
  • Figure 1 is an electric vehicle in the form of a hybrid electric vehicle with a therein
  • Figure 2 is a pure electric vehicle with a stored therein
  • FIG. 3 shows a data carrier with a computer program product stored thereon according to an embodiment of the present invention
  • FIG. 4 is a flowchart for explaining a method according to an embodiment of the present invention.
  • FIG. 1 shows an electric vehicle 1000a in the form of a hybrid electric vehicle with a first drive unit 20 in the form of an electric machine.
  • the electric machine is energized or supplied with current and voltage for a drive of the electric vehicle 1000a by a battery 50 of the electric vehicle 1000a.
  • the electric vehicle 1000a also has a second drive unit 40 in the form of an internal combustion engine, which is supplied with fuel from a fuel tank 60 of the electric vehicle 1000a.
  • a computer program product 10 is stored and configured to, in an idle operation of the electric machine in which the electric machine is not to set either a positive or a negative torque, idling losses of this electric machine depending on predictive route data and / or vehicle data of the
  • Electric vehicle 1000a compensate differently.
  • FIG. 2 shows an electric vehicle 1000b in the form of a pure electric vehicle with a first drive unit 20 in the form of an electric machine and a second drive unit 30 in the form of a further electric machine.
  • a computer program product 10 is stored and configured in one
  • corresponding electric machine is to provide neither a positive nor a negative moment to compensate idle losses of this electric machine differently depending on predictive track data and / or vehicle data of the electric vehicle 1000a.
  • FIG. 3 shows a data carrier 100 with a computer program product 10 stored thereon.
  • the data carrier 100 is designed in the form of a memory card.
  • a method for compensating for no-load losses at the first drive unit 20 in the electric vehicle 1000a shown in FIG. 1 will be explained below.
  • a first step S1 an operating state of the first drive unit 20 or of the electrical machine is determined.
  • advance to step S2e advance to step S2e, and the process may be terminated.
  • step S1 If it is determined in step S1 that the electric machine is in a state in which the electric machine is to set neither a positive nor a negative torque, one of the steps 2a to 2d is advanced.
  • step S2a a height profile of a predicted driving distance of the electric vehicle 1000a is determined. If it is determined here that the vehicle will be moving on a flat or essentially flat path, the method proceeds to step S3a.
  • step S3a the no-load losses are preferably electrically neutral by means of
  • Fuel tank 60 of the electric vehicle 1000a is still sufficiently filled or at least more filled than the battery 50 is charged.
  • Fuel tank 60 of the electric vehicle 1000a is still sufficiently filled or at least more filled than the battery 50 is charged.
  • step S4 corresponding adjustment of the adjustment in a subsequent optional prioritization according to step S4.
  • the idling losses can then be electrically neutral in accordance with step S5a or mechanically neutral in accordance with step S5b.
  • step S2a If it is determined in step S2a that the electric vehicle 1000a will move on a hilly or mountainous route, the process proceeds to step S3b.
  • step S3b the no-load losses are compensated mechanically neutral by means of the battery 50.
  • the prerequisite for this is preferably that a state of charge of the battery 50 still
  • step S4 an adjustment of the two energy stores and a corresponding evaluation of the adjustment in the subsequent optional prioritization according to step S4 can be performed.
  • the idling losses can then be electrically neutral in accordance with step S5a or mechanically neutral in accordance with step S5b.
  • step S2b a speed profile is determined on a predicted driving distance of the electric vehicle 1000a. If this is determined that the electric vehicle 1000a This will happen on a little busy highway or expressway
  • step S3c the torque losses are neutralized electrically by means of the internal combustion engine.
  • the prerequisite for this is preferably that the fuel tank 60 of the electric vehicle 1000a, as already described above, is still sufficiently filled or at least more filled than the battery 50 is charged.
  • step S4 an adjustment of the two energy stores and a corresponding evaluation of the adjustment in the subsequent optional prioritization according to step S4 can be performed.
  • the idling losses can then be electrically neutral in accordance with step S5a or mechanically neutral in accordance with step S5b.
  • step S3d the no-load losses are compensated mechanically neutral by means of the battery 50.
  • the prerequisite for this is preferably that a state of charge of the battery 50 is still sufficiently high or at least higher than a corresponding fuel filling in the fuel tank 60 of the electric vehicle 1000a.
  • an adjustment of the two energy stores and a corresponding evaluation of the adjustment in the subsequent optional prioritization according to step S4 can be performed.
  • the idling losses can then be electrically neutral in accordance with step S5a or mechanically neutral in accordance with step S5b.
  • step S2c a state of charge of the battery 50 is determined. If this determines that the state of charge is below a predefined threshold, this will occur
  • step S3e the idle losses are preferably compensated electrically neutral by means of the internal combustion engine.
  • a comparison between a state of charge of the battery 50 and a BefiIIungsSullivan the fuel tank 60 can be performed and a corresponding evaluation of the adjustment in the subsequent optional prioritization in step S4 are performed.
  • the electrically neutral compensation in this case may possibly be carried out only taking into account the condition of the fuel tank 60. For example, if hardly any fuel in the fuel tank 60, the state of charge of the battery 50 is still sufficiently high, the compensation is preferably carried out mechanically neutral. That is, after the prioritization in step S4, the idle losses are electrically neutralized in step S5a or mechanically neutralized in step S5b.
  • step S2c If it is determined in step S2c that the state of charge is at or above the predefined threshold, the process proceeds to step S3f.
  • step S3f the no-load losses are preferably compensated mechanically neutral by means of the battery 50.
  • step S2d a filling state of the fuel tank 80 of the electric vehicle 1000a is detected. If this is found that the filling state below a
  • step S3g the no-load losses are preferably compensated mechanically neutral by means of the battery 50.
  • a comparison between a state of charge of the battery 50 and a filling state of the fuel tank 60 can be performed and a corresponding evaluation of the adjustment in the subsequent optional prioritization according to step S4 can be performed.
  • the electrically neutral compensation in this case may be performed only taking into account the state of charge of the battery 50. For example, is there still enough fuel in the
  • Fuel tank 60 the state of charge of the battery, however, relatively low, the compensation is preferably performed electrically neutral. That is, after the prioritization in step S4, the idle losses are electrically neutralized in step S5a or mechanically neutralized in step S5b.
  • step S2d If it is determined in step S2d that the filling state of the fuel tank 60 is at or above the predefined threshold value and the state of charge of the battery 50 is below the predefined threshold value, the process proceeds to step S3h.
  • step S3h the no-load losses are preferably compensated for electrically neutral.
  • step S4 can be carried out comprehensively with respect to steps S2a to S2d or S3a to S3h in order to determine whether the idling losses according to step S5a are to be electrically neutral or mechanically neutral in step S5b.
  • the above-exemplified weighing scenarios are not intended to be exhaustive or to limit the present invention.
  • Process steps S2a to S2d and S3a to S3h can be carried out serially and / or in parallel.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Automation & Control Theory (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Navigation (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

La présente invention concerne un procédé de compensation pertes de fonctionnement au ralenti dans un véhicule électrique (1000a ; 1000b) équipé d'une première unité de propulsion (20) sous la forme d'une machine électrique qui, pour une propulsion du véhicule électrique (1000a ; 1000b), est alimentée en électricité par au moins une batterie (50) du véhicule électrique (1000a ; 1000b), ainsi que d'une deuxième unité de propulsion (30 ; 40) servant à la propulsion du véhicule électrique (1000a ; 1000b). Les pertes de fonctionnement au ralenti au niveau de la première unité de propulsion (20) dans un régime de ralenti de la première unité de propulsion (20), dans lequel la première unité de propulsion (20) ne doit fournir ni un couple positif, ni un couple négatif, sont compensées différemment en fonction de données de parcours prédictives et/ou de données de véhicules du véhicule électrique (1000a ; 1000b). L'invention concerne en outre un produit de programme informatique (10) destiné à mettre en œuvre le procédé selon l'invention, un support de données (100) sur lequel est enregistré le produit de programme informatique (10) ainsi qu'un véhicule électrique (1000a ; 1000b).
EP18716924.8A 2017-04-06 2018-03-26 Procédé pour compenser les pertes de fonctionnement au ralenti dans un véhicule électrique, produit de programme informatique, support de données et véhicule électrique Pending EP3606785A1 (fr)

Priority Applications (1)

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EP21206120.4A EP4015282A3 (fr) 2017-04-06 2018-03-26 Procédé de compensation d'une perte à vide dans un véhicule électrique hybride, produit-programme informatique, support de données et véhicule électrique hybride

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DE102017205871.4A DE102017205871A1 (de) 2017-04-06 2017-04-06 Verfahren zum Kompensieren von Leerlaufverlusten in einem Elektrofahrzeug, Computerprogrammprodukt, Datenträger und Elektrofahrzeug
PCT/EP2018/057570 WO2018184877A1 (fr) 2017-04-06 2018-03-26 Procédé pour compenser les pertes de fonctionnement au ralenti dans un véhicule électrique, produit de programme informatique, support de données et véhicule électrique

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EP21206120.4A Pending EP4015282A3 (fr) 2017-04-06 2018-03-26 Procédé de compensation d'une perte à vide dans un véhicule électrique hybride, produit-programme informatique, support de données et véhicule électrique hybride

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US (1) US20200189559A1 (fr)
EP (2) EP3606785A1 (fr)
CN (1) CN110461639B (fr)
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WO (1) WO2018184877A1 (fr)

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EP4015282A2 (fr) 2022-06-22
WO2018184877A1 (fr) 2018-10-11
EP4015282A3 (fr) 2022-08-24
CN110461639A (zh) 2019-11-15
DE102017205871A1 (de) 2018-10-11
CN110461639B (zh) 2023-06-27
US20200189559A1 (en) 2020-06-18

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