EP2867044A1 - Antriebssystem und verfahren zum antrieb eines fahrzeugs - Google Patents

Antriebssystem und verfahren zum antrieb eines fahrzeugs

Info

Publication number
EP2867044A1
EP2867044A1 EP13809609.4A EP13809609A EP2867044A1 EP 2867044 A1 EP2867044 A1 EP 2867044A1 EP 13809609 A EP13809609 A EP 13809609A EP 2867044 A1 EP2867044 A1 EP 2867044A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
planetary gear
drive system
combustion engine
electric machine
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.)
Withdrawn
Application number
EP13809609.4A
Other languages
English (en)
French (fr)
Other versions
EP2867044A4 (de
Inventor
Nils-Gunnar VÅGSTEDT
Niklas Pettersson
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.)
Scania CV AB
Original Assignee
Scania CV AB
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 Scania CV AB filed Critical Scania CV AB
Publication of EP2867044A1 publication Critical patent/EP2867044A1/de
Publication of EP2867044A4 publication Critical patent/EP2867044A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B60K6/36—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 transmission gearings
    • B60K6/365—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 transmission gearings with the gears having orbital motion
    • 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
    • B60K6/38—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 driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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
    • B60K6/42—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 the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
    • B60W10/196—Conjoint control of vehicle sub-units of different type or different function including control of braking systems acting within the driveline, e.g. retarders
    • 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
    • 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
    • B60W20/50—Control strategies for responding to system failures, e.g. for fault diagnosis, failsafe operation or limp mode
    • 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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18027—Drive off, accelerating from standstill
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/04—Smoothing ratio shift
    • F16H61/0403—Synchronisation before shifting
    • 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
    • B60K6/38—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 driveline clutches
    • B60K2006/381—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 driveline clutches characterized by driveline brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/92—Hybrid vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/04—Smoothing ratio shift
    • F16H61/0403—Synchronisation before shifting
    • F16H2061/0411—Synchronisation before shifting by control of shaft brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/04—Smoothing ratio shift
    • 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
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Definitions

  • the present invention concerns a drive system according to the preamble of claim 1 and a method of driving a vehicle according to the preamble of claim 14.
  • Hybrid vehicles can be driven by a primary motor which can be a combustion engine and a secondary motor which can be an electric machine.
  • the electric machine is
  • the electric machine can thereby alternately work as motor and generator in dependence on the operation state of the vehicle.
  • the electric machine braked, the electric machine generates electric energy which is stored in the energy storage.
  • the stored electric energy can be used later, for example, for driving the
  • the Swedish patent application SE 1051384-4 which has not been made public, shows a hybrid drive system with a planetary gear which comprises three components,
  • components of the planetary gear is connected to an output shaft of the combustion engine, a second component of the planetary gear is connected to an input shaft to the gear box and a third component of the planetary gear is connected to a rotor of an
  • the electric machine is connected to an energy storage such that it alternately can work as motor and generator.
  • the rotation speed of electric machines can be controlled in a stepless manner. By controlling the rotation speed of the electric machine, the input shaft to the gear box can be given a desired rotation speed.
  • the hybrid drive system is however dependent on that the hybrid battery functions in order to make it possible to start the vehicle.
  • the gear rotates with the idle running rotation speed of the combustion engine.
  • the second of the components of the planetary gear which is connected to the gear box is at rest as long as the vehicle is stationary.
  • the third of the components of the planetary gear is braked by a brake device during a staring process of the vehicle. Thereby a driving moment can be transferred to the gear box. This driving moment results in that the vehicle starts.
  • the brake device
  • the friction brake may be activated with a power device which may be hydraulic,
  • the brake device has the
  • combustion engine to the gear box can be varied in a suitable manner during the
  • the brake device brakes the ring wheel of the
  • a control unit may with advantage control the brake device such that
  • the vehicle gets a desired speed increase when the vehicle is started.
  • the vehicle gets a desired speed increase when the vehicle is started.
  • process of the vehicle may refer to the time it takes for the vehicle to reach a speed at which a starting gear can be disengaged and replaced by a higher gear in the gear box.
  • the staring process may be defined as a time period of 1 to 3 seconds or of another suitable length.
  • the drive system comprises a
  • control unit is adapted to control the combustion engine with the help of the motor control function at operation occasions when gears are shifted in the vehicle.
  • the rotor of the electro machine gets a positive rotation speed. It is thereby no longer possible to use the brake device for transferring a driving moment from the combustion engine to the gear box.
  • a control unit can calculate the rotation speed with which the output shaft of the combustion engine is to rotate in
  • control unit thereafter controls the motor control function such that the combustion engine obtains the calculated
  • control unit calculates, which knowledge
  • the control unit thereafter controls the motor control function such that the combustion engine obtains the calculated rotation speed, after which the new gear is engaged.
  • the drive system comprises an electric machine w hich comprises a stator and a rotor, wherein the rotor of the electric machine is connected to the third of the components of the planetary gear such that
  • control unit is adapted to control the electric machine such that it gives the third component of the
  • the gear box can essentially
  • the drive system comprises an energy storage which is connectable to the electric machine such that it is possible to store and consume, respectively, electric energy at different operation conditions of the 1 4 -08- 2013
  • the vehicle is a hybrid vehicle which is driven by a primary motor in the form of a combustion engine and a secondary motor in the form of said electric machine. Except for the energy storage, the vehicle comprises control equipment in order to control the flow of electric energy between the energy storage and the electric machine.
  • the electric machine has thereby, in addition to the function to enable the control of the rotation speed of the input shaft of the gear box, also the ability to
  • the drive system alternately work as motor and generator in dependence on the operation state of the vehicle.
  • the drive system is a motor and generator in dependence on the operation state of the vehicle.
  • control unit which is adapted to activate the brake device at operation
  • the vehicle is a hybrid vehicle, the energy storage and the
  • the energy storage and the electric machine put a load on the third component of the planetary gear with a
  • This braking moment generates electric energy which is stored in the energy storage. If the energy storage is out of operation, the electric machine cannot create this braking moment. In this case, the brake device is activated such that it
  • the vehicle can thereby start and be driven to a service place or the like where it is possible to
  • the brake device functions as an auxiliary equipment which ensures that the vehicle can start when the energy storage has an undesired function.
  • the control unit is
  • the control unit may, for example, receive information from an electric measurement instrument which measures a parameter which is related to the electric energy which is led between the regular energy storage and the electric machine.
  • the electric measurement instrument may measure a
  • the drive system According to another preferred embodiment of the invention, the drive system
  • the indication member may be a warning lamp or a sound alarm
  • the driver becomes immediately informed when the energy storage
  • control unit may be adapted to automatically
  • the driver may
  • combustion engine is connected to the sun wheel of the planetary gear, the input shaft
  • the rotor of the electric machine is connected to the ring wheel of the planetary gear.
  • the included components may be given a compact construction.
  • the sun wheel and the planet wheel holder may be connected to the output shaft of the
  • the rotor of the electric machine may be fixedly arranged on an external peripheral
  • the internal peripheral surface of the ring wheel is normally provided with cogs.
  • the external peripheral surface of the ring wheel is normally
  • the ring is smooth and very well suited for carrying the rotor of the electric machine.
  • the rotor of the electric machine may be connected to the ring wheel via a
  • Fig. 1 shows a drive line of a vehicle with a drive system according to the present
  • Fig. 2 shows the drive system in more detail
  • Fig. 3 shows how the rotation speed of the different components in a planetary gear
  • Fig. 4 shows how the driving moment of different components in the planetary gear
  • Fig. 5 shows an alternative embodiment of the drive system.
  • Fig I shows a drive line for a heavy vehicle 1.
  • the drive line comprises a combustion engine 2, a gear box 3, a number of drive shafts 4 and drive wheels 5. Between the
  • Fig 2 shows the components in the intermediate part 6 in more detail.
  • combustion engine 2 is provided with an output shaft 2a and the gear box 3 with an
  • the output shaft 2a of the combustion engine is coaxially arranged in relation to the input shaft 3a of the gear box.
  • the intermediate part 6 comprises a
  • housing 8 which encloses an electric machine 9 and a planetary gear.
  • stator 9a and a rotor 9b.
  • the stator 9a is a stator 9a and a rotor 9b.
  • stator core which is attached in a suitable manner on the inside of the stator core
  • the stator core comprises the windings of the stator.
  • the electric machine 9 is adapted to during certain operation occasions use stored electric energy for
  • the planetary gear is arranged substantially radially inside of the stator 9a and rotor 9b of the electric machine.
  • the planetary gear comprises in a customary manner a sun
  • the sun wheel 10 is attached on a peripheral surface of the output shaft 2a of the combustion engine.
  • the sun wheel 10 and the output shaft 2a of the combustion engine rotate as a unit with a first rotation speed ni.
  • the planet wheel holder 12 comprises an attachment portion 12a which is attached on a peripheral surface of the input shaft 3a of the gear box with the help of a spline joint 14. With the help of this joint, the planet wheel holder 12 and the input shaft 3a of the gear box can rotate as a unit with a second rotation speed m.
  • the ring wheel 1 1 comprises an external peripheral surface on which the rotor 9b is fixedly mounted.
  • the rotor 9b and the ring wheel 1 1 constitute a rotatable unit which rotates with a third rotation speed m.
  • the vehicle comprises a locking mechanism which is movable between a first open position in which the three components 10- 12 of the planetary gear are allowed to rotate with different rotation speeds and a second locked position in which it locks together two of the components 10, 12 of the planetary gear such that the three components 10- 12 of the planetary gear rotate with the same rotation speed.
  • the locking mechanism comprises a displaceable coupling member 15.
  • the coupling member 15 is attached on the output shaft 2a of the combustion engine with the help of a spline joint 16.
  • the coupling member 15 is in this case arranged, secured against turning, on the output shaft 2a of the combustion engine and displaceably arranged in an axial direction on the output shaft 2a of the combustion engine.
  • the coupling member 15 comprises a coupling portion 15a which is connectable to a coupling portion 12b of the planet wheel holder 12.
  • the locking mechanism comprises a schematically shown displacement member 17 is adapted to displace the coupling member 15 between the first free position Ii when the coupling portions 15 a, 12b are not in engagement with each other and the second locked position when the coupling portions 1 5a, 12b are in engagement with each other.
  • the output shaft 2 of the combustion engine and the input shaft 3 of the gear box can rotate with different rotation speeds.
  • the coupling portions 15a, 12b When the coupling portions 15a, 12b are in engagement with each other, the output shaft 2 of the combustion engine and the input shaft 3 of the gear box will rotate with the same rotation speed.
  • An electric control unit 18 is adapted to control the displacement member 17.
  • the control unit 18 is also adapted to decide at which occasions the electric machine is to work as motor and at which occasions it is to work as generator. In order to decide this, the control unit 18 can receive actual information from suitable operation parameters.
  • the control unit 18 can be a computer with a software for this purpose. 1 4 -08- 2013
  • the control unit 18 can of course constitute one or more separate control units.
  • the control unit 1 8 controls a schematically shown control equipment 19 which controls the flow of electric energy between an energy storage 20 and the stator windings 9a of the electric machine. At occasions when the electric machine 9 works as motor, stored electric energy from the energy storage 20 is supplied to the stator 9a. At occasions when the electric machine works as generator, electric energy from the stator 9a is supplied to the energy storage 20.
  • the energy storage 20 delivers and stores electric energy with a voltage which is in the order of 200-800 Volt. Since the intermediate part 6 between the combustion engine 2 and the gear box 3 in a vehicle is limited, it is required that the electric machine 9 and the planetary gear constitute a compact unit.
  • the components 10. 1 1 , 12 of the planetary gear are here arranged substantially
  • the ring wheel 1 1 of the planetary gear, the output shaft 2a of the combustion engine and the input shaft 3a of the gear box are here rotatably arranged around a
  • the vehicle 1 comprises a brake device in the form of a schematically shown brake 21 which is activated with an also
  • the brake 28 may, for example, be a friction brake which is activated by a hydraulic, pneumatic or electric power device 22.
  • the ring wheel 1 1 comprises in the shown example a protruding ring-shaped part 11a
  • control unit 18 receives information from an electric meter 24 which senses a parameter which is related to the electric
  • the energy storage 20 does probably not function in the desired manner. If essentially no electric energy is transported to and from the
  • the energy storage 20 is
  • control unit 18 estimates that the energy storage 20 has an undesired function. If the control unit 18 estimates that the energy storage 20 has an undesired function, it activates an indication member 25 in the
  • the indication member 25 may be a flashing light or a sound alarm. The task of the indication member 25 is to make the driver aware that the energy storage 20 has an undesired function. If the vehicle 1 is stationary, the control unit 18 may
  • the vehicle 1 is equipped with a motor control function 26 1 4 -08- 2013
  • the control unit 18 thereby has the possibility to activate the motor control function 26 and create a momentless state in the gear box 3 when engaging and disengaging gears in the gear box 3.
  • Fig. 3 and 4 show an example of how the rotation speed n and the moment T may vary with time t for the output shaft 2a of the combustion engine, the rotor 9b of the electric machine and the input shaft 3a of the gear box at the start of the vehicle 1 when the energy storage 20 has an undesired function.
  • Rotation speed m and moment Ti of the output shaft 2a of the combustion engine are shown with dashed lines, rotation speed
  • the ring wheel 11 rotates at the start of the vehicle in an opposite direction in relation to the sun wheel
  • the control unit 1 8 activates the power device 22 such that it applies the brake 21 with a force against the ring-shaped part 1 l a of the ring wheel such that the ring wheel is braked with a moment T3 which in this case is 300 Nm. Since the ring wheel 1 1
  • the driving moment T 2 gets the input shaft 3a of the gear box going such that it starts to rotate, i.e. n 2 becomes larger than zero. Thereby the oppositely directed rotation
  • the rotation speed ni of the combustion engine is increased. It is thereby ensured that the ring wheel 1 1 also thereafter during the starting process can rotate with an oppositely directed rotation speed n 3 and provide a braking moment which drives the input shaft 3a of the gear box.
  • the input shaft 3a of the gear box gets a successively increasing rotation speed 3 ⁇ 4 and the vehicle 1 an increasing speed up to the time B.
  • the speed of the vehicle increases substantially linearly until the time B when the starting process is completed.
  • the moments Ti, T 2 , T3 present constant values up to the time B.
  • the combustion engine 2 is braked with an exhaust brake, a controllable turbo or is retarded in another manner such that the rotation speed ni is reduced.
  • the rotation speed ni of the combustion engine 2 sinks at the same time as the input shaft 3a of the gear box maintains a constant rotation speed ⁇ 2.
  • the control unit 18 deactivates the brake device 21, 22.
  • the vehicle 1 is now driven with a constant speed.
  • the rotation speed n 3 of the electric machine 9 increases.
  • the rotation speed n 3 of the ring wheel 1 1 changes from being a negative rotation speed to a positive rotation speed.
  • the control unit 18 activates the displacement member 17 which displaces the coupling member 15 such that the coupling portions 15a, 12b get into engagement with each other.
  • the output shaft 2 of the combustion engine and the input shaft 3 of the gear box are now locked in relation to each other and will thereby rotate with the same rotation speed.
  • the electric machine 9 rotates with the same rotation speed n 3 as the output shaft 2 of the combustion engine and the input shaft 3 of the gear box.
  • the control unit 18 activates the displacement member 17 which displaces the coupling member 15 to a disengaged position.
  • the connection between the output shaft 2 of the combustion engine and the input shaft 3 of the gear box ceases.
  • the control unit 18 calculates the rotation speed m which the input shaft 2a of the combustion engine needs to be driven with in order to achieve a momentless state in the gear box 3.
  • the control unit 18 activates the motor control function 26 which gives the combustion engine 2 the calculated rotation speed ni, after which the gear is disengaged. After that the gear has been disengaged, a new gear is to be engaged.
  • the control unit 18 calculates here the rotation speed m which the output shaft 2 of the combustion engine needs to be driven with in order for it to rotate with the same rotation speed as the input shaft 3a of the gear box.
  • the control unit 18 activates the motor control function 26 which gives the combustion engine 2 the calculated rotation speed m, after which the new gear is engaged.
  • the control unit 18 thereafter activates the motor control function 26 again in order to control the rotation speed i such that all the components in the planetary gear obtain the same rotation speed m, n2, n3 ⁇ 4.
  • the control unit 18 activates the displacement member 17 which displaces the coupling member 15 such that the coupling portions 15a, 12b get into engagement with each other. After locking the planetary gear, only the combustion engine 2 is responsible for driving the vehicle.
  • a brake device 21 , 22 is used instead of the energy storage 20 and the electric machine 9 for starting the vehicle 1 when the energy storage 20 has an undesired function.
  • the brake device 21 , 22 With the help of the brake device 21 , 22, the vehicle 1 can be started and driven to a service place or the like where the energy storage 20 can be exchanged or repaired.
  • Fig. 5 shows an embodiment of the drive system.
  • the vehicle comprises no hybrid battery 20 or electric machine 9. Except for that, the drive system comprises the same components and in the embodiment in Fig. 2.
  • the planetary gear here replaces a conventional clutch mechanism.
  • the vehicle 1 is always started with the help of the brake device 21, 22, after which the motor control function 26 is used when gears are to be shifted in the vehicle 1.
  • the brake device 21, 22 can be made lighter than a corresponding clutch element.
  • the brake device 21 , 22 may be constructed such that it holds the ring wheel 1 1 when the planet wheel holder 12 reaches a rotary speed at which the ring wheel is standstill. In this case, a gear ratio is created between the combustion engine 2 and the input shaft 3a of the gear box.
  • the brake device may be of an 1 4 -08- 2013
  • a transmission ratio can be arranged between the rotor 9 and the ring wheel 1 1 .
  • the rotor 9 and the ring wheel 1 1 do thus not have to rotate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Structure Of Transmissions (AREA)
  • Arrangement Of Transmissions (AREA)
EP13809609.4A 2012-06-27 2013-06-26 Antriebssystem und verfahren zum antrieb eines fahrzeugs Withdrawn EP2867044A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1250704A SE1250704A1 (sv) 2012-06-27 2012-06-27 Drivsystem och förfarande för att driva ett fordon
PCT/SE2013/050784 WO2014003665A1 (en) 2012-06-27 2013-06-26 Drive system and method of driving a vehicle

Publications (2)

Publication Number Publication Date
EP2867044A1 true EP2867044A1 (de) 2015-05-06
EP2867044A4 EP2867044A4 (de) 2016-06-29

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EP (1) EP2867044A4 (de)
BR (1) BR112014031812A2 (de)
SE (1) SE1250704A1 (de)
WO (1) WO2014003665A1 (de)

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Publication number Priority date Publication date Assignee Title
WO2016159846A1 (en) * 2015-03-31 2016-10-06 Volvo Construction Equipment Ab A transmission arrangement for a vehicle
BR102017025400A2 (pt) * 2017-11-27 2019-06-11 CNH Industrial Brasil Ltda. Conjunto de transmissão de potência para eixos e veículo de transporte de cargas e passageiros

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Publication number Priority date Publication date Assignee Title
JP2857535B2 (ja) * 1992-05-19 1999-02-17 株式会社エクォス・リサーチ ハイブリッド型車両
DE19934696A1 (de) * 1999-07-23 2001-05-17 Zahnradfabrik Friedrichshafen Elektrodynamisches Antriebssystem
DE10021025A1 (de) * 2000-05-02 2001-11-15 Bosch Gmbh Robert Getriebe, insbesondere für Kraftfahrzeuge
US6428438B1 (en) * 2000-07-26 2002-08-06 New Venture Gear, Inc. Hybrid automated manual transmission
DE10225249B4 (de) * 2002-06-07 2017-07-06 Zf Friedrichshafen Ag Verfahren zum Regeln eines Anfahrvorganges eines Antriebsstranges
US6994360B2 (en) * 2003-09-22 2006-02-07 Ford Global Technologies, Llc Controller and control method for a hybrid electric vehicle powertrain
DE102006003724A1 (de) * 2006-01-26 2007-08-02 Zf Friedrichshafen Ag Verfahren zur Steuerung eines Kraftfahrzeug-Antriebsstrangs
DE102006003725A1 (de) * 2006-01-26 2007-08-02 Zf Friedrichshafen Ag Verfahren zur Steuerung eines Kraftfahrzeug-Antriebsstrangs
US7422535B2 (en) * 2006-03-17 2008-09-09 Gm Global Technology Operations, Inc. Electrically variable transmissions having two planetary gearsets and clutched input
JP5427110B2 (ja) * 2010-05-25 2014-02-26 川崎重工業株式会社 建設機械及びその制御方法
DE102010031026A1 (de) * 2010-07-07 2012-01-12 Zf Friedrichshafen Ag Antriebsanordnung und Verfahren zum Durchführen eines Anfahrvorganges
DE102010031029A1 (de) * 2010-07-07 2012-01-12 Zf Friedrichshafen Ag Antriebsanordnung und Verfahren zum Durchführen eines Anfahrvorganges

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Publication number Publication date
SE1250704A1 (sv) 2013-12-28
EP2867044A4 (de) 2016-06-29
WO2014003665A1 (en) 2014-01-03
BR112014031812A2 (pt) 2017-06-27

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