WO2008007626A1 - Dispositif de commande de puissance de véhicule - Google Patents
Dispositif de commande de puissance de véhicule Download PDFInfo
- Publication number
- WO2008007626A1 WO2008007626A1 PCT/JP2007/063619 JP2007063619W WO2008007626A1 WO 2008007626 A1 WO2008007626 A1 WO 2008007626A1 JP 2007063619 W JP2007063619 W JP 2007063619W WO 2008007626 A1 WO2008007626 A1 WO 2008007626A1
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- WIPO (PCT)
- Prior art keywords
- power
- secondary battery
- capacitor
- regenerative
- upper limit
- Prior art date
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Classifications
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- 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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/24—Electrodynamic brake systems for vehicles in general with additional mechanical or electromagnetic braking
- B60L7/26—Controlling the braking effect
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- 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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
- B60L7/14—Dynamic electric regenerative braking for vehicles propelled by ac motors
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- 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
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- 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
- B60L15/2009—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 braking
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- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- 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
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- 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
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- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
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- 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]
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- 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
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
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- 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
- B60L9/00—Electric propulsion with power supply external to the vehicle
- B60L9/16—Electric propulsion with power supply external to the vehicle using ac induction motors
- B60L9/18—Electric propulsion with power supply external to the vehicle using ac induction motors fed from dc supply lines
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- 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
- B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
- H02P3/08—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor
- H02P3/14—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor by regenerative braking
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- 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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
- B60L2210/14—Boost converters
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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
- 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
- Y02T10/64—Electric machine technologies in electromobility
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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
- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- 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
- Y02T10/72—Electric energy management in electromobility
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Definitions
- the present invention relates to power control of a vehicle including a rotating electrical machine for traveling that generates regenerative power during braking, and more particularly to power control of a vehicle including a battery and a capacitor charged with regenerative power.
- a vehicle equipped with a power train called a hybrid system combining an engine (for example, a gasoline engine, a diesel engine, etc.) and a moda has been developed and put into practical use.
- vehicles electric vehicles, fuel cell vehicles
- a power train that uses only a motor as the driving source without an engine are being developed.
- Such a vehicle is equipped with a power storage mechanism (battery or capacitor) for driving the motor.
- the motor is driven by the electric power supplied from the power storage mechanism to accelerate the vehicle.
- the regenerative energy generated by the motor functioning as a generator is charged to the power storage mechanism.
- Japanese Unexamined Patent Publication No. 0-5-0 3 0 6 0 8 discloses a technique for charging a capacitor in preparation for acceleration of the vehicle in an electric vehicle including a battery and a capacitor.
- a hybrid system for an electric vehicle disclosed in Japanese Patent Laid-Open No. 0-5-0 3 0 6 0 8 includes a DC power source, a motor attached to a wheel, a converter connected to the DC power source and driving the motor, and a converter Having a control device for controlling Applies to automobiles.
- This hybrid system includes a battery and a capacitor (large-capacity capacitor) as a DC power source, a switching unit that switches between discharging and ⁇ charging of the battery and the capacitor in response to acceleration Z deceleration, and a battery in a regenerative braking charging mode. And a limiting part that increases the share of rapid discharge charging to the capacitor by limiting charging to the capacitor.
- the regenerative energy may not be fully recovered. That is, when charging the regenerative energy to the capacitor, the amount of charge to the battery is limited. However, when the regenerative energy is large, the battery may be charged without limiting the amount of charge, and the capacitor may be fully charged with surplus power that cannot be fully charged by the battery. If the amount of charge to the battery is limited to such a case, the amount of charge to the battery is reduced even though the amount of charge to the capacitor is the same, and the regenerative energy cannot be fully recovered. Disclosure of the invention
- An object of the present invention is to provide a power control device that can ensure acceleration performance and recover regenerative energy to the maximum in a vehicle including a battery and a capacitor. Is to provide.
- the power control device is a vehicle power control device including a rotating electric machine for traveling that generates 1 to 1 regenerative power higher than the rated voltage of the secondary battery during braking.
- This power control device is connected to a rotating electrical machine, converts the regenerative power and outputs it, and is connected between the inverter and the secondary battery.
- a converter that transforms and outputs the rated voltage of the secondary battery, a capacitor that is connected in parallel with the secondary battery between the converter and the inverter, has a higher rated charge / discharge power than the secondary battery, and has a smaller storage capacity;
- a switching unit that switches so as to preferentially charge either the secondary battery or the capacitor, and an arithmetic unit connected to the switching unit are included.
- the arithmetic unit determines whether or not the regenerative power is equal to or greater than a predetermined value, and when it is determined that the regenerative power is equal to or greater than the predetermined value, the secondary battery is preferentially charged, If it is determined that the value is not greater than the value, the switching unit is controlled so that the capacitor is charged with priority.
- the regenerative power generated during braking is converted by the inverter, and the secondary battery and capacitor connected in parallel are preferentially charged.
- the secondary battery and capacitor connected in parallel are preferentially charged.
- the fully charged state here refers to a state in which the electric energy exceeding the value that can output the electric power according to the request of the vehicle driver is charged.
- the regeneration yield of regenerative energy decreases. That is, although the charge amount to the capacitor is the same, the charge to the capacitor is prioritized and the charge start time of the secondary battery is delayed. For this reason, the charging time of the secondary battery is shortened, and the charge amount of the secondary battery is reduced. Therefore, it is determined whether or not the regenerative power is equal to or greater than a predetermined value (for example, the sum of the control upper limit value of the charging power of the secondary battery and the control upper limit value of the charging power of the capacitor). If the regenerative power is greater than a predetermined value, the secondary battery is preferentially charged. As a result, surplus power that cannot be fully charged by the secondary battery even if the secondary battery is preferentially charged.
- a predetermined value for example, the sum of the control upper limit value of the charging power of the secondary battery and the control upper limit value of the charging
- Capacitors with small storage capacities can be fully charged by (power exceeding the upper limit ⁇ ! Of the secondary battery charging power). Therefore, the secondary battery is charged while charging the same amount of electric energy to the capacitor as compared to charging the capacitor with priority.
- the rechargeable battery can be charged with more regenerative energy by increasing the charging start time. As a result, more regenerative energy can be recovered while ensuring sufficient acceleration performance.
- the capacitor is preferentially charged. Therefore, more electrician energy can be charged to the capacitor than when the secondary battery is charged with priority.
- the capacitor can be charged in advance in preparation for an instantaneous high output during acceleration, so that sufficient acceleration performance can be ensured.
- a power control device that can ensure acceleration performance and recover regenerative energy to the maximum.
- the predetermined value is set based on a first control upper limit value of the charging power of the secondary battery and a second control upper limit value of the charging power of the capacitor.
- the secondary battery when the secondary battery is preferentially charged, if the regenerative power value is greater than the first control upper limit value of the secondary battery charge power, the surplus power that cannot be fully charged in the secondary battery is obtained.
- the capacitor is charged.
- a predetermined value is set based on the first control upper limit value of the charging power of the secondary battery and the second control upper limit value of the charging power of the capacitor. For example, the predetermined value is set to the sum of the first control upper limit value and the second control upper limit value.
- the predetermined value is set to the sum of the first control upper limit value and the second control upper limit value.
- the secondary battery when the secondary battery is preferentially charged, if the regenerative power value is greater than the first control upper limit value of the secondary battery charge power, the surplus power that cannot be fully charged in the secondary battery is obtained.
- the capacitor is charged.
- this surplus power value exceeds the second control upper limit value of the charging power of the capacitor, the capacitor can be fully charged in a short time. Therefore, a predetermined value is set as the sum of the first control upper limit value and the second control upper limit value. As a result, even if the secondary battery is charged preferentially, When the capacitor can be fully charged in a short time, the secondary battery can be preferentially charged.
- the arithmetic unit further calculates regenerative power based on the brake pressure of the vehicle.
- a large regenerative electric power is generated in order to apply a large regenerative braking force corresponding to the brake pressure to the vehicle. Therefore, regenerative power is calculated based on the vehicle brake pressure. As a result, the magnitude of the generated regenerative power energy can be calculated appropriately.
- a power control apparatus is a power control apparatus for a vehicle including a traveling rotating electrical machine that generates regenerative power having a voltage higher than a rated voltage of a secondary battery during braking.
- This power control device is connected to the rotating electrical machine, and is connected between the inverter and the secondary battery to convert and output the regenerative power, and the voltage of the converted regenerative power is converted to the rated voltage of the secondary battery.
- a switching unit that switches to preferentially charge L or an arithmetic unit connected to the switching unit.
- the arithmetic unit estimates whether or not a large amount of regenerative energy is generated so that even if the secondary battery is preferentially charged, electric energy exceeding a predetermined value can be charged to the capacitor.
- the switching unit is controlled to preferentially charge the capacitor.
- the present invention during acceleration of a vehicle that requires instantaneous high output, power is supplied to a rotating electrical machine for traveling from a capacitor that has a higher rated charge / discharge power and superior instantaneous output characteristics than a secondary battery. It is desirable to supply. Therefore, it is conceivable to charge the capacitor with priority over the secondary battery in preparation for acceleration of the vehicle.
- a capacitor with a small storage capacity may be fully charged due to surplus power that cannot be fully charged by the secondary battery. If the capacitor is preferentially charged up to such a case, the amount of recovered regenerative energy decreases.
- the capacitor Although the battery can be fully charged, the charging of the capacitor is prioritized and the charging start time of the secondary battery is delayed. As a result, the charging time of the secondary battery is shortened, and the amount of charge of the secondary battery is reduced. Therefore, even if the secondary battery is preferentially charged, the electric energy exceeding the predetermined value (for example, the value that can output the electric power according to the demand of the vehicle driver) is charged to the capacitor. If it is estimated that a large amount of regenerative energy is generated, the secondary battery is preferentially charged.
- the predetermined value for example, the value that can output the electric power according to the demand of the vehicle driver
- the charging start time for the secondary battery can be reduced compared to charging the capacitor preferentially while charging the capacitor with electric energy that exceeds the value that can output the power required by the driver.
- more regenerative energy can be charged to the secondary battery.
- more regenerative energy can be recovered while ensuring sufficient acceleration performance.
- the capacitor is preferentially used. Charged. As a result, more electrical energy can be charged to the capacitor than when the secondary battery is charged with priority.
- the capacitor can be charged in advance in preparation for momentary high output during acceleration, so that sufficient acceleration performance can be ensured.
- the predetermined value is a value capable of outputting electric power according to a request of a vehicle driver.
- the arithmetic unit further calculates regenerative power based on the brake pressure of the car rain, and estimates whether large regenerative energy is generated based on the calculated regenerative power.
- a large regenerative electric power is generated in order to apply a large regenerative braking force corresponding to the brake pressure to the vehicle. Therefore, regenerative power is calculated based on the vehicle brake pressure.
- the driver needs a long braking force. In many cases. In other words, large regenerative electric power often generates large regenerative energy for a long time. Therefore, it is estimated whether large regenerative energy is generated based on the regenerative power calculated based on the brake pressure of the vehicle. Therefore, the magnitude of the regenerative energy generated can be estimated appropriately.
- the arithmetic unit has a large regenerative energy based on the first control upper limit value of the charging power of the secondary battery and the second control upper limit value of the charging power of the capacitor. Estimate whether it occurs.
- the secondary battery when the secondary battery is preferentially charged, if the regenerative power value is greater than the first control upper limit value of the secondary battery charge power, the surplus power that cannot be fully charged in the secondary battery is obtained.
- the capacitor is charged.
- the surplus power value is close to the second control upper limit value of the capacitor charging power or exceeds the second control upper limit value, the capacitor can be fully charged in a short time. Therefore, in addition to the calculated regenerative power, whether or not large regenerative energy is generated is estimated based on the first control upper limit value and the second control upper limit value. For example, by comparing the sum of the first control upper limit value and the 'second control upper limit value with the calculated regenerative power value, it is estimated whether or not a large regenerative energy is generated. Therefore, the magnitude of regenerative energy to be regenerated can be estimated more appropriately.
- the arithmetic unit estimates that large regenerative energy is generated when the value of the regenerative power calculated is larger than the sum of the first control upper limit value and the second control upper limit value.
- the arithmetic unit estimates whether or not large regenerative energy is generated based on information from the navigation device.
- a regenerative braking force having a magnitude corresponding to the slope is often required by the driver.
- large regenerative energy is often generated for a long time. Therefore, it is estimated whether or not a large amount of regenerative energy is generated based on information from the navigation device. For example, it is estimated that a large amount of regenerative energy is generated when the road surface condition of the vehicle is judged from the vehicle traveling information acquired from the navigation device and the vehicle is traveling on a downhill road with a long steep slope.
- produce can be estimated appropriately.
- FIG. 1 is a diagram showing the structure of a vehicle on which the power control apparatus according to the first embodiment of the present invention is mounted.
- FIG. 2 is a flowchart showing the control structure of the ECU that constitutes the power control apparatus according to the first embodiment of the present invention.
- FIG. 3 is a diagram showing the relationship between the brake pressure and the regenerative power value in a vehicle equipped with the power control apparatus according to the first embodiment of the present invention.
- FIG. 4 is a timing chart (No. 1) of charging power values of a capacitor and a battery in a vehicle on which the power control apparatus according to the first embodiment of the present invention is mounted.
- FIG. 5 is a timing chart (No. 2) of charging power values of the capacitor and the battery in the vehicle on which the power control apparatus according to the first embodiment of the present invention is mounted.
- FIG. 6 is a timing chart of charging power values of capacitors and batteries in a vehicle not equipped with the power control apparatus according to the present invention.
- FIG. 7 is a diagram showing the structure of a vehicle on which the power control apparatus according to the second embodiment of the present invention is mounted.
- FIG. 8 is a flowchart showing a control structure of the ECU constituting the power control apparatus according to the second embodiment of the present invention. ' BEST MODE FOR CARRYING OUT THE INVENTION
- a vehicle equipped with a power control apparatus will be described with reference to FIG.
- This vehicle consists of a battery 100, an inverter 200, a motor generator 300, a capacitor 400, a system main relay 510 (SMR (1) 500, a limiting resistor 502, SMR (2) 504, SMR (3 506) and ECU (Electronic Control Unit) 600.
- the power control apparatus according to the present embodiment is controlled by a program executed by the ECU 600.
- the vehicle is described as an electric vehicle that travels only by the driving force from the motor generator 300.
- the vehicle on which the power control device according to the present invention is mounted is not limited to an electric vehicle, and other hybrid vehicles. It may be installed in fuel cell vehicles.
- the battery 100 is an assembled battery in which a plurality of modules in which a plurality of cells are connected in series are further connected in series.
- Capacitor 700 is provided in addition to battery 100, and both supply electric power to motor generator 300 according to their characteristics. .
- the inverter 200 has six IGBTs (Insulated Gate Bipolar Transistors) and six IGBTs connected in parallel to each IGBT so that current flows from the emitter side to the collector side of the IGBT. Including a diode.
- IGBTs Insulated Gate Bipolar Transistors
- Inverter 200 causes motor generator 300 to function as a motor or a generator based on a control signal from ECU 600.
- the inverter 200 converts the DC power supplied from the battery 10.0 and the capacitor 70 to AC power when the motor generator 300 functions as a motor, and supplies the AC power to the motor generator 300.
- the inverter 200 controls the power supplied to the motor generator 300 by turning on / off (energizing / cutting off) the gate of each IGBT, so that the motor generator 300 is requested by a control signal from the ECU 600. Control the output state.
- inverter 200 functions as motor generator, inverter 200 converts AC power generated by motor generator 300 into DC power and charges battery 100 or capacitor 700.
- the inverter 200 controls the electric power (regenerative power) generated by the motor generator 300 by turning on / off (energizing / cutting off) the gates of each IGB T, thereby generating the regenerative power required by the control signal from the ECU 600. Control is performed so that braking force (regenerative torque) acts on the vehicle.
- Motor generator 300 is a three-phase AC motor and a generator that generates electric power during regenerative control of the vehicle.
- the rotating shaft of motor generator 300 is finally connected to a drive shaft (not shown) of the vehicle.
- the vehicle travels with the driving force from the motor generator 300.
- Capacitor 4 "00 temporarily stores electric charge in order to smooth the power supplied from battery 100 or the power supplied from inverter 200.
- the smoothed power is stored in inverter 20 ° or battery. Supplied at 1 00.
- System main relay 5 10 has positive SMR (1) 500, SMR (2)
- SMR (1) 500, SMR (2) 504, and S R (3) 506 are relays that close contacts that are turned on when an exciting current is applied to the coil.
- SMR (1) 500 and SMR (2) 504 are provided on the positive electrode side of battery 100.
- SMR (1) 50 0 and SMR (2) 504 are connected in parallel.
- a limiting resistor 502 is connected to the SMR (1) 500 in series.
- SMR (1) 500 is a precharge SMR that is connected before SMR (2) 504 is connected and prevents an inrush current from flowing through inverter 200.
- SMR (2) 504 is a positive SMR that is connected after SMR (1) 5 ⁇ 0 is connected and precharge is completed.
- S MR (3) 506 is a negative SMR provided on the negative side of battery 100. Each SMR is controlled by the ECU 600.
- the ECU 600 When the power is turned on (when the position of the switch is switched from the OFF position to the ST A position), the ECU 600 first turns on SMR (3) 506 and then turns on SMR (1) 500. Perform precharge. SMR (1) 50 Since the limiting resistor 502 is connected to 0, even when the SMR (1) 500 is turned on, the voltage applied to the inverter 200 rises gently, and the occurrence of inrush current can be prevented. After executing the precharge, ECU 600 turns on SMR (2) 504. When the power is turned off (when the position of the switch is switched from the STA position to the OFF position), the ECU 600 is connected to the SMR (1) 500, SMR (2) to prevent leakage from the battery 100. Turn off 504 t'SMR (3) 5 06.
- this vehicle is equipped with a capacitor 700 in addition to the battery 100.
- the capacitor 700 is connected between the input side terminal of the inverter 200 and the capacitor 40 °.
- Capacitor 700 charges and discharges electric power to and from inverter 200 by ECU 600 controlling opening and closing of relay 702 and relay 704 that close contacts that are turned on when an exciting current is applied to the coil. When power is turned on, relay 702 and relay 704 are turned on. When power is turned off, relay 702 and relay 704 are turned off to prevent leakage from capacitor 700 and the like.
- Capacitor 700 has a higher rated charge / discharge power than battery 100, and can handle instantaneous high input / output.
- Capacitor 7 0 has a smaller storage capacity than battery 100 and is fully charged in a short time when regenerative energy is charged.
- Boost converter 800 is provided between the battery 100 and the inverter 200.
- the voltage is boosted to a rated voltage of battery 100 (about 200 V) or about 500 V (rated voltage of motor generator 300) by boost converter 800 and supplied to inverter 200, for example.
- Boost converter 800 is composed of two IGBTs and a reactor that reduces current changes.
- this vehicle is provided with a brake pressure sensor 2100 connected to the ECU 600.
- the brake pressure sensor 2100 detects the brake pressure according to the depression force of the brake pedal (not shown) by the driver, and sends a signal indicating the brake pressure to E Send to CU 600.
- ECU 600 is stored in a ROM (Read Only Memory) based on signals transmitted from an depression switch (not shown), an accelerator pedal depression amount sensor (not shown), a brake pressure sensor 2100, and the like. Run the program. By this program, inverter 200, boost converter 800, each SMR, and the like are controlled, and the vehicle is controlled to travel in a desired state.
- ROM Read Only Memory
- charging / discharging of the battery 700 and the capacitor 900 is controlled by changing the output voltage (system voltage) of the boost converter 800. For example, when power is supplied to motor generator 300, if output voltage of boost converter 800 is made lower than the voltage of capacitor 700 0, capacitor 700 is discharged preferentially. When the output voltage of boost converter 800 exceeds the voltage of capacitor 700, battery 100 is discharged preferentially.
- the battery 100 when charging the power generated by the motor generator 300 during regenerative braking to the battery 100 or the capacitor 700, the battery 100 is preferentially charged if the output voltage of the boost converter 800 is set to be equal to or lower than the voltage of the capacitor 700. .
- the output voltage of boost converter 800 is set higher than the voltage of capacitor 700, capacitor 70 is charged with priority.
- ECU 600 calculates a battery charge power limit value (maximum value of power charged in battery 100) WI N (B) based on the temperature, charge state, etc. of battery 100. Similarly, ECU 600 calculates a capacitor charging power limit value (maximum value of power charged in capacitor 700) WI N (C) based on the temperature and voltage of capacitor 700. The charging power limit value WI N (B) and the charging power limit value WI N (C) are calculated so as not to exceed their rated charging power values.
- ECU 600 calculates regenerative electric power value P based on the signal transmitted from brake pressure sensor 2100. For example, as shown in Fig. 3, the regenerative power value P is predicted using the brake pressure as a parameter. Based on the stored map, the regenerative power value P is calculated.
- ECU 600 calculates battery charge power limit WI N ( ⁇ ) based on the temperature of battery 100, the state of charge, and the like.
- ECU 600 calculates a capacitor charging power limit value W I N (C) based on the temperature and voltage of capacitor 700.
- ECU 600 determines whether or not regenerative power value P is larger than the sum of battery charge power limit value W I N (B) and capacitor charge power limit value WI N (C). If it is determined that the value is larger (YE S in S 1 06), the process proceeds to S I 08. Otherwise (NO in S 1 06), the process proceeds to S 1 1 2.
- ECU 600 estimates that [13 raw energy is generated so that capacitor 700 can be fully charged even if battery 100 is preferentially charged. In this step, the ECU 600 can charge the capacitor 700 with the same amount of electric energy as the capacitor 700, even if the battery 100 is preferentially charged. Estimate that regenerative energy is generated.
- ECU 600 transmits a control signal to boost converter 800 that makes the output voltage of boost converter 800 equal to or lower than the voltage of capacitor ⁇ 00 so that battery 1 ⁇ is preferentially charged.
- the ECU 600 estimates that there is no large regenerative energy that can fully charge the capacitor 700 when the battery 100 is preferentially charged. In this step, the ECU 600 is large enough to charge the capacitor 700 with the same amount of electric energy as the case where the capacitor 700 is preferentially charged even if the battery 100 is preferentially charged. You can estimate that no regenerative energy is generated.
- ECU 600 transmits to boost converter 800 a control signal for raising the output voltage of boost converter 800 to be higher than the voltage of capacitor 700 so that capacitor ⁇ 00 is preferentially charged.
- regenerative energy is generated as shown in Fig. 4.
- the regenerative energy shown in Fig. 4 is generated from time (1) to time T (0), and the regenerative power value P (1) is smaller than the battery charge power limit value WI N (B).
- WI N battery charge power limit value
- the regenerative power value P (1) is calculated based on the brake pressure (S 100), and the regenerative power value P (the sum of the battery charge power limit value WIN (B) and the capacitor charge power limit value WIN (C 1) is small (NO in S 106), it is estimated that no large regenerative energy is generated (S 1 1 2), and capacitor 700 is preferentially charged (S 1 14). Can be charged to the capacitor 700.
- the capacitor 700 can be charged in advance in preparation for an instantaneous high output during acceleration, so that sufficient acceleration performance can be ensured.
- regenerative energy as shown in Fig. 5 is generated.
- the regenerative energy shown in Fig. 5 occurs from time ⁇ (1) to time T (0), and the regenerative power value P (2) is the battery charge power limit value W I N (B) and the capacitor charge power limit value W I
- the charge to the capacitor 700 is given priority, and the charging start time of the battery 100 is later than the time T (1).
- the charge amount of the battery 100 decreases. 6 represents only the regenerative energy recovered by battery 100 when capacitor 700 is preferentially charged.
- the charge amount of the capacitor 700 is the same, and the capacitor 700 can be fully charged. As a result, the amount of recovered regenerative energy decreases as a whole.
- the regenerative power value P (2) is calculated based on the brake pressure ( ⁇ 1 0), and the regenerative power value WI N (B) and the capacitor charge power limit value WI N (C) are regenerated. Because power value P (2) is large (YES at S106) It is estimated that raw energy is generated (S108), and the battery 100 is preferentially charged (S110).
- the charging start time for the battery 100 can be reduced while charging the same amount of electric energy to fully charge the capacitor 700 as compared with the case where the capacitor 700 is charged with priority.
- the time can be advanced from time T (3) to time T (1). Therefore, the battery 100 can be charged with more regenerative energy. As a result, regenerative energy can be recovered to the maximum while ensuring sufficient acceleration performance.
- the battery when the regenerative power value calculated based on the brake pressure is greater than the sum of the battery charge power limit value and the capacitor charge power limit value, the battery is Charge with priority. Therefore, compared to the case where the capacitor is charged preferentially, the same amount of electric energy is charged and the capacitor is fully charged, and the charging start time for the battery is advanced, so that more regenerative energy is supplied. The battery can be charged. As a result, it is possible to suppress a decrease in the amount of recovered regenerative energy while ensuring sufficient acceleration performance.
- the regenerative power value P is compared with the sum of the battery charge power limit direct WI N (B) and the capacitor charge power limit value WI N (C) in the flowchart shown in FIG. Based on the results of S106), it was estimated whether or not large regenerative energy would be generated (S108, S1 1 2).
- the method for estimating whether or not large regenerative energy would be generated is limited to this. Nare ,. For example, a threshold value determined based on the rated charge power of battery 100 and the rated charge power of capacitor 700 is stored, and a large amount of regenerative energy is calculated based on the result of comparing regenerative power value P with the threshold value. It may be estimated whether or not the above occurs.
- the power control apparatus according to the present embodiment includes a navigation apparatus 2200 S ECU 1600 instead of the brake pressure sensor 2 100 and ECU 600, as compared with the configuration of the power control apparatus according to the first embodiment described above.
- the point is different.
- the ECU 1 600 differs from the ECU 600 constituting the power control apparatus according to the first embodiment only in the control structure of the program. After these
- the other configuration is the same as the configuration of the power control apparatus according to the first embodiment described above.
- the same reference numerals are assigned to the same components. Their functions are the same. Therefore, a detailed description thereof will not be repeated here.
- the navigation device 2200 calculates own vehicle travel information based on the position information of the own vehicle received from a GPS (Global Positioning System) satellite. Note that the vehicle travel information includes travel position information on the map of the vehicle based on the map data recorded in the navigation device 2 200. As a result, the gradient information of the road in the traveling direction of the vehicle can also be calculated.
- the navigation device 2 2 0 0 transmits a signal representing the calculated own vehicle travel information to E C U 1 6 0 0.
- E C U 1 6 0 0 acquires the vehicle travel information calculated by the navigation device 2 2 0 0.
- ECU 1 600 0 continues downhill with a predetermined slope or more following a predetermined distance based on the own vehicle travel information acquired from navigation device 2 200. Judge whether to do. If it is determined to continue (£ S at 3 2 0 2), the process proceeds to S 1 p 8. If not (NO in S 2 0 2), processing proceeds to S 1 1 2.
- the downhill road having a predetermined slope or more based on the own vehicle traveling information acquired from the navigation apparatus 2200. It is determined whether or not continues for a predetermined distance or more (S 2 0 2). While the vehicle is traveling on a long downhill slope with a steep slope, the driver often demands a large regenerative braking force corresponding to the steep slope. In other words, large regenerative power continues for a long time and large regenerative energy is often generated.
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Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1020097002346A KR101245807B1 (ko) | 2006-07-10 | 2007-07-02 | 차량의 전력제어장치 |
US12/308,026 US7923951B2 (en) | 2006-07-10 | 2007-07-02 | Vehicle power controller |
EP07768344.9A EP2039559B1 (en) | 2006-07-10 | 2007-07-02 | Vehicle power control device |
CN2007800261283A CN101489824B (zh) | 2006-07-10 | 2007-07-02 | 车辆的电力控制装置 |
Applications Claiming Priority (2)
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JP2006189408A JP4179352B2 (ja) | 2006-07-10 | 2006-07-10 | 車両の電力制御装置 |
JP2006-189408 | 2006-07-10 |
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WO2008007626A1 true WO2008007626A1 (fr) | 2008-01-17 |
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PCT/JP2007/063619 WO2008007626A1 (fr) | 2006-07-10 | 2007-07-02 | Dispositif de commande de puissance de véhicule |
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US (1) | US7923951B2 (ja) |
EP (1) | EP2039559B1 (ja) |
JP (1) | JP4179352B2 (ja) |
KR (1) | KR101245807B1 (ja) |
CN (1) | CN101489824B (ja) |
WO (1) | WO2008007626A1 (ja) |
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KR20210048591A (ko) | 2016-08-09 | 2021-05-03 | 가부시끼가이샤 도시바 | 축전 시스템, 차량, 및 기계 설비 |
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2007
- 2007-07-02 CN CN2007800261283A patent/CN101489824B/zh not_active Expired - Fee Related
- 2007-07-02 KR KR1020097002346A patent/KR101245807B1/ko active IP Right Grant
- 2007-07-02 WO PCT/JP2007/063619 patent/WO2008007626A1/ja active Application Filing
- 2007-07-02 US US12/308,026 patent/US7923951B2/en not_active Expired - Fee Related
- 2007-07-02 EP EP07768344.9A patent/EP2039559B1/en not_active Ceased
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KR20210048591A (ko) | 2016-08-09 | 2021-05-03 | 가부시끼가이샤 도시바 | 축전 시스템, 차량, 및 기계 설비 |
Also Published As
Publication number | Publication date |
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JP2008017681A (ja) | 2008-01-24 |
CN101489824A (zh) | 2009-07-22 |
KR101245807B1 (ko) | 2013-03-20 |
JP4179352B2 (ja) | 2008-11-12 |
KR20090037447A (ko) | 2009-04-15 |
US20090167217A1 (en) | 2009-07-02 |
EP2039559A1 (en) | 2009-03-25 |
EP2039559B1 (en) | 2019-02-27 |
US7923951B2 (en) | 2011-04-12 |
EP2039559A4 (en) | 2015-08-05 |
CN101489824B (zh) | 2011-11-09 |
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