WO2007091710A1 - ハイブリッド車用電池寿命評価装置 - Google Patents
ハイブリッド車用電池寿命評価装置 Download PDFInfo
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- WO2007091710A1 WO2007091710A1 PCT/JP2007/052535 JP2007052535W WO2007091710A1 WO 2007091710 A1 WO2007091710 A1 WO 2007091710A1 JP 2007052535 W JP2007052535 W JP 2007052535W WO 2007091710 A1 WO2007091710 A1 WO 2007091710A1
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- driving
- fuel consumption
- battery life
- actual
- battery
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Classifications
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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
- B60K6/42—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
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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
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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
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
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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
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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
- B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/24—Steering angle
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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
- B60L2250/00—Driver interactions
- B60L2250/16—Driver interactions by display
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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
- B60L2250/00—Driver interactions
- B60L2250/30—Driver interactions by voice
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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
- B60W20/00—Control systems specially adapted for hybrid vehicles
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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
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/146—Display means
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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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
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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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/12—Brake pedal position
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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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/18—Steering angle
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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
- B60W2556/00—Input parameters relating to data
- B60W2556/10—Historical data
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using 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
- Y02T10/62—Hybrid vehicles
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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
Definitions
- the present invention relates to a battery life evaluation apparatus for a hybrid vehicle, and in particular, an apparatus for evaluating the degree of battery deterioration from a decrease in driving fuel consumption measured for each driving pattern and displaying information on battery deterioration.
- a battery life evaluation apparatus for a hybrid vehicle and in particular, an apparatus for evaluating the degree of battery deterioration from a decrease in driving fuel consumption measured for each driving pattern and displaying information on battery deterioration.
- a hybrid vehicle refers to a vehicle equipped with a hybrid system, that is, a system that uses a combination of two types of power sources, such as a gasoline engine and an electric motor.
- the hybrid system includes the series (series) hybrid system (S—HEV), the parallel (parallel) hybrid system (P—HEV), and the system that combines the functions of both (S & P—HEV). is there.
- S—HEV series hybrid system
- P—HEV parallel hybrid system
- S & P—HEV parallel hybrid system
- the feature of the hybrid system is that it uses a gasoline engine and an electric motor according to the driving conditions of the vehicle, and makes use of the advantages of each to compensate for the weak points.
- a hybrid system is a system in which the wheels are driven by a motor and the engine operates as a power source for the motor. This is an electric vehicle with an engine generator. The feature of this system is that the engine with a small output is operated at an almost constant rotation in an efficient region, and runs while charging efficiently.
- a parallel hybrid system is a system in which wheels are driven directly by both the engine and the motor. With this system, the engine can assist the engine power and can run while charging the battery as a generator.
- the hybrid vehicle uses a gasoline engine and an electric motor as a power source in both systems. Therefore, only the gasoline engine Compared with the same type of passenger car (ICE), which uses the same power source, it generally uses an engine with less displacement.
- ICE passenger car
- a battery of a hybrid vehicle mounted as a power source has a lifetime because it deteriorates with use. This is because the internal resistance of the battery increases and the charge / discharge capacity (battery capacity) of the cell gradually decreases as the vehicle travels for a long time. Therefore, batteries in hybrid vehicles must be replaced at the appropriate time.
- This reduction in fuel consumption of gasoline is caused by driving patterns that drive at a constant speed, i.e., cornering, lane change, start, deceleration, etc. Appears prominently.
- driving patterns such as cornering, lane change, start-up, and deceleration
- the system is designed to make effective use of the power source by combining gasoline engine and electric motor.
- driving patterns have a characteristic that a difference in driving fuel consumption occurs depending on, for example, the driving speed and driving locus of the vehicle or the driving operation of the driver.
- the driving fuel consumption of a conventional hybrid vehicle for example, average fuel consumption, instantaneous fuel consumption, total fuel consumption, historical high fuel consumption, etc. are measured and displayed.
- the display of these fuel consumptions is started when the ignition switch is turned on.
- the average fuel consumption and instantaneous fuel consumption display average fuel consumption and instantaneous fuel consumption (about 30 minutes) per minute, and total fuel consumption Displays the total fuel consumption from the reset operation to the present, and the past maximum fuel consumption displays the highest value during the reset operation of the total fuel consumption display.
- a system is disclosed that issues a warning in advance to prompt the driver to perform equal charging. This is because each cell of the battery does not have uniform charge / discharge capability, but varies from cell to cell. If this variation becomes excessive, the battery life will be affected, so the driver is warned in advance. In this case, it is possible to refresh all the cells in a fully charged state by continuing a low current for a long time with an external charger.
- Japanese Patent Application Laid-Open No. 6-163084 discloses a method for measuring the remaining life of a battery having a dual power ratio. This is because the voltage value at a constant discharge obtained during vehicle travel is calculated for each travel, and in the relational expression between this and the corresponding travel frequency, the estimated number of travels that reach the preset life voltage and the current travel This is a measurement method in which the remaining life is taken as the difference from the frequency. , Disclosure of invention '''
- the engine operates as an electrical power source to maintain a constant state of charge while driving, so no external charging is required, and drivers are usually less aware of battery life. It can also cause problems. 'Even when the charge / discharge capacity is reduced due to deterioration of the battery over time, the gasoline engine compensates for the decrease in automatic control, so the driver is often not aware. As a result, in the case of badness, there is a risk that the vehicle may become unable to travel due to the battery life during long-distance driving.
- the conventional warning system that promotes equal charge does not deal with the deterioration of the charge / discharge capacity of the entire cell over time. Therefore, it is impossible to evaluate the deterioration over time of the battery of the hybrid vehicle itself, and it cannot be said that the battery deterioration information is displayed to the driver.
- the method for judging from the voltage value of the battery disclosed in Japanese Patent Application Laid-Open No. 6-163084 can determine whether the battery is normal or abnormal. Since this is only an estimated value, the deterioration of the battery of the hybrid vehicle over time cannot be evaluated, and it cannot be said that the device displays information on the deterioration of the battery to the driver.
- the battery life evaluation apparatus for hybrid vehicles according to the present invention has the following characteristics.
- a battery life evaluation apparatus for a hybrid vehicle includes an actual travel measurement unit that measures actual travel fuel consumption data of a hybrid vehicle equipped with a battery as a power source for each driving pattern, and travel of the vehicle From the test, the test travel storage unit that stores the test travel fuel consumption data set for each driving pattern and the measured actual travel fuel consumption data are compared with the test travel fuel consumption data for that driving pattern, and the deterioration of the battery
- a battery life evaluation unit that evaluates the degree of battery deterioration from the reduction value of driving fuel consumption set for each degree, and transmits information on battery deterioration to the battery life display unit, and a battery that displays information on battery deterioration And a life display unit.
- the battery life evaluation device for a hybrid vehicle is configured so that the actual driving fuel consumption rate of a hybrid vehicle equipped with a battery as a power source is determined for each driving pattern (actual driving measuring unit for measuring this and each driving pattern The actual driving fuel consumption data measured in the past is stored. 3 ⁇ 4 The actual driving storage unit and the measured actual driving fuel consumption data are compared with the past actual driving fuel consumption data in the driving pattern.
- the battery life evaluation unit that evaluates the degree of battery deterioration from the fuel consumption reduction value set for each degree of deterioration of the battery, transmits information on battery deterioration to the battery life display unit, and information on battery deterioration. And a battery life display unit to be displayed.
- the actual driving measurement unit measures the driving operation for each driving pattern, and the battery life evaluation unit determines the driving operation of the driving operator from the measured actual driving data. It is preferable to compare the actual travel fuel consumption data with the test travel fuel consumption data including the decrease value of the travel fuel consumption set for each driving operation.
- the battery life evaluation device for hybrid vehicles has an actual travel recording unit that records the history of measured actual fuel consumption data for each driving pattern, and the battery life evaluation unit uses the measured actual fuel consumption data. In addition, it is preferable to compare with the actual driving fuel consumption data for the driving part, including the actual driving fuel consumption data for the last time selected from the history recorded in the actual driving recording part for each driving pattern. . (5)
- the battery life evaluation device for a hybrid vehicle has an actual travel recording unit that records the history of measured actual travel fuel consumption for each driving pattern, and the battery life evaluation unit has measured actual travel fuel consumption. The past actual fuel consumption data for that driving pattern, including the previous actual fuel efficiency data selected from the history recorded in the actual driving record for each driving pattern, is displayed. It is preferable to compare with evening.
- the driving pattern is preferably vehicle cornering, and the driving operation is preferably a handling operation, a foot brake operation, and an accelerator operation.
- the driving pattern is preferably a lane change of the vehicle, and the driving operation is preferably a handling operation, a foot brake operation, and an accelerator operation. Further, it is preferable that the driving pattern is start and deceleration of the vehicle, and the driving operation is a foot brake operation and an accelerator operation.
- FIG. 1 is a block diagram showing a basic configuration of one embodiment of a battery life evaluation apparatus for a hybrid vehicle according to the present invention.
- Fig. 2 is a conceptual diagram of the reduction in driving fuel consumption due to battery deterioration, extracted from test driving fuel consumption data.
- FIG. 3 shows one embodiment of the display method of the battery life display section.
- FIG. 4 is a block diagram showing the basic configuration of another embodiment of the battery life evaluation apparatus for hybrid vehicles according to the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
- Fig. 1 shows a block diagram of the basic configuration of one embodiment of a battery life evaluation apparatus for hybrid vehicles.
- the battery life evaluation device 1 for a hybrid vehicle includes an actual travel measurement unit 2, a test travel storage unit 3 a, an actual travel recording unit 4, a battery life evaluation unit 5, and a battery life display unit 6.
- the actual travel measurement unit 2 measures the actual travel fuel consumption for each driving pattern.
- each driving pattern means, for example, a specific driving pattern such as vehicle cornering, lane change, start, and deceleration.
- the driving fuel consumption in these driving patterns refers to the driving fuel consumption of gasoline consumed during the measurement period from the start to the end of the pattern.
- the average fuel consumption, instantaneous fuel consumption, total fuel consumption, maximum historical fuel consumption, etc. of a conventional hybrid vehicle are travel fuel consumption per unit time by the travel fuel consumption measurement computer 7, and are not travel fuel consumption per driving pattern. Therefore, the actual travel measurement unit 2 receives the data on the travel fuel consumption from the travel fuel consumption measurement computer 7 and newly measures every driving pattern.
- the measurement period from the start to the end is an appropriate period for evaluating the characteristics of driving fuel consumption for each driving pattern.
- the cornering or lane change of the vehicle may be, for example, from when the steering wheel is turned to when the steering wheel is returned, or during turning on of a direction indicator light such as a blinker.
- the vehicle may be started from, for example, when the ignition switch is turned on until a certain traveling speed is reached.
- the deceleration may be from the start of the brake operation to the stop.
- the fixed period may be set based on the operation of the hybrid system, for example, the operation of the regenerative brake, the charging period of the battery, or the like, or auxiliary information may be used.
- the travel fuel cost data measured by the actual travel measurement unit 2 is transmitted to the battery life evaluation unit 5.
- the actual travel measurement unit 2 measures the driving operation for each driving pattern of the hybrid vehicle. That is, for each driving pattern, the driving operator's driving operation, for example, handling operation, foot brake operation, accelerator operation, etc. is measured within the period in which the actual driving fuel consumption rate is measured. As shown in FIG. 1, the history of each driving operation is transmitted from the handling operation monitor 9, the foot brake operation monitor 10 and the accelerator operation monitor 1 1 to the actual travel measuring unit 2.
- the actual running measurement unit 2 measures the driving operation over the set period by combining these events. For example, in vehicle cornering, the running trajectory during cornering is measured from the vehicle speed and handling operation history. In addition, when starting and decelerating the vehicle, foot brake operation, The starting point of acceleration and the starting point of deceleration are measured from the history of data manipulation. These data may include data for the night before the start of cornering and immediately after completion.
- the driving operation measured by the actual traveling measuring unit 2 is transmitted to the battery life evaluating unit 5.
- the test travel storage unit 3 a stores the test travel fuel consumption data from the data related to the travel fuel consumption measured for each driving pattern by the travel test 8.
- the fuel consumption of gasoline consumed by test driving is measured under specific driving patterns such as vehicle cornering, lane change, starting, and deceleration.
- the data of the driving test 8 may be a data measured in a laboratory using a chassis dynamo type driving test facility, or a data measured in an actual driving test using an actual vehicle. Also good. Also, it may be a combination of them.
- test travel fuel consumption data are data that reflect travel conditions in actual travel.
- the driving condition items include, for example, the vehicle type and the vehicle weight, and are roads such as driving on highways, driving in general urban areas, driving in mountainous areas, and cornering of vehicles. Specific driving patterns such as lane change, start, and deceleration.
- the driving conditions may include items other than those described above, and some of the above items may be omitted.
- the test driving fuel consumption data measured by each driving condition is memorized for each driving operation such as handling operation, foot brake operation, accelerator operation.
- the test running storage unit 3a measures and stores the driving operation in the test running for each driving pattern. Since these operations are the same as the driving operations measured by the actual driving measurement unit 2, they are omitted. These events may include data on vehicle speeds immediately before the start of cornering and immediately after completion.
- the actual driving recording unit 4 records the history of measured actual driving fuel consumption data for each driving pattern. This is because, for example, the actual driving fuel consumption measured may decrease the driving fuel consumption abnormally, for example, an unexpected driving operation may occur due to an unexpected situation. This is because that.
- the actual driving fuel consumption data was measured. Appropriate data from the actual driving fuel consumption data recorded in the past driving pattern similar to the driving pattern was measured. Compare that with the test running fuel cost, including its value.
- “immediately before” may be data immediately before the actual driving fuel consumption measured in the driving pattern, or may be data immediately before having a certain width.
- the comparison method may be, for example, a method of comparing by adopting an average value including a plurality of actual driving fuel consumption data immediately before the actual driving data is measured, or a plurality of immediately preceding actual driving fuel consumption data. If it is clearly abnormal, there is a method to compare and compare the measured actual driving data. In addition, the measured actual driving fuel efficiency data is always tested including the measured values for the same number of driving patterns measured immediately before, regardless of whether the data is normal or abnormal. It may be compared with driving fuel consumption data.
- the battery life evaluation unit 5 compares the actual travel fuel consumption data measured by the actual travel measurement unit 2 with the test travel fuel consumption data stored in the test travel storage unit 3a in the operation pattern.
- the battery life evaluation unit 5 evaluates the degree of deterioration of the battery from the reduction value of the driving fuel consumption set for each degree of deterioration of the battery for each driving pattern.
- Fig. 2 shows a conceptual diagram of the reduction value of the running fuel consumption due to the set battery deterioration extracted from the test running fuel consumption overnight.
- the horizontal axis represents the travel distance (km), and the vertical axis represents the travel fuel cost (kmZL).
- a 1 the travel distance
- kmZL the travel fuel cost
- Driving with a hybrid system that is, when the gasoline engine and electric motor operate efficiently without battery deterioration, the driving fuel consumption value (al) and the driving distance value (bl) at that time, and the battery Driving fuel consumption value when running with only a gasoline engine deteriorated
- the travel fuel consumption measured for each degree of battery deterioration decreases from this a 1 value to a 2 value as the mileage increases.
- the battery life evaluation unit 5 uses these measured values to run for each operation pattern. Extract fuel consumption curve. Then, the degree of battery deterioration (b / b 2) is calculated from the travel distance value (b) obtained by fitting the actual travel fuel consumption data value (a) to this travel fuel consumption reduction curve.
- the battery life evaluation unit 5 determines the driving operation of the driving operator from the history of driving operation for each driving pattern transmitted from the actual traveling measuring unit 2. That is, the actual driving fuel consumption value measured by the actual driving measurement unit 2 includes variations due to the driving operation of the driver. This variation is taken into account when judging the degree of deterioration of the battery by comparing the above. For example, for a beginner in driving a vehicle, generally, the driving operation with poor driving fuel consumption is based on the driving locus and driving speed history at cornering. This reduction in driving fuel consumption due to the driving operation is a different factor from the reduction in driving fuel consumption due to battery deterioration, so it must be excluded and evaluated.
- the battery life evaluation unit 5 sets a decrease value for each driving operation of the driving operator in advance.
- the travel fuel cost for driving operations by driving experts is set to 1.0, for example, the variation in travel fuel consumption from 1.0 to 0.8 is set.
- the battery life evaluation unit 5 judges the degree of variation in driving fuel consumption from the history of driving operation in actual driving for each driving pattern, and the actual driving fuel consumption data is reduced by the set reduction value of driving fuel consumption. Compared with the test driving fuel consumption de overnight. Or, compare with the test driving fuel consumption data by taking into account the reduction value of the driving fuel consumption set in the actual driving fuel consumption data. As the driver's driving proficiency increases, this drop value approaches 1.0.
- the battery life evaluation unit 5 transmits information related to battery deterioration to the battery life display unit 6.
- the information related to the battery deterioration is a battery life display or a battery life warning from the degree of battery deterioration.
- the driving operator may be instructed to perform a driving operation in which the driving distance is extended without applying a load to the power source due to deterioration of the battery.
- the battery life display unit 6 displays information regarding battery deterioration transmitted from the battery life evaluation unit 5.
- FIG. 3 shows one embodiment of the display method of the driving evaluation display unit 6. In this example, it is indicated that the driving pattern is cornering—the measured driving—the fuel consumption (the driving fuel consumption at the current cornering), and the test driving fuel consumption (the standard fuel consumption). Are displayed side by side. For battery life, please be careful when replacing batteries.
- the battery life display may be incorporated into a conventional energy monitor or may be an independent display screen. Further, the display may be a visual display on the screen, an audio display by voice, or a combination of both.
- FIG. 4 is a block diagram showing the basic configuration of another embodiment of the battery life evaluation apparatus for hybrid vehicles.
- the comparison between the actual driving fuel efficiency and the overnight is the case of the actual driving fuel efficiency and the overnight of the vehicle.
- the hybrid vehicle battery life evaluation apparatus 1 in this embodiment includes an actual travel measurement unit 2, an actual travel storage unit 3b, an actual travel recording unit 4, a battery life evaluation unit 5, and a battery life display unit 6. Only the differences from the battery life evaluation device based on the test run will be described in detail below.
- the actual travel storage unit 3b stores past actual travel fuel consumption data measured for each driving pattern.
- the past actual driving fuel consumption data includes the actual driving fuel efficiency data when the battery has not deteriorated. Therefore, when the battery deteriorates, it can be confirmed by comparison with the past actual driving fuel consumption.
- the past actual fuel consumption data of the vehicle in which the battery has deteriorated reflects the characteristics of the driver of the vehicle, such as the driving operation, the decrease in driving fuel consumption due to the difference in driving operation There are relatively few elements. Therefore, it is a highly accurate comparison. However, if there is more than one driver, or if the driver is changed, it will not function, so register the driver in advance and update the registration if the driver is different Do or add.
- the battery life evaluation unit 5 compares the measured actual driving fuel consumption data with the past actual driving fuel consumption data for the corresponding driving pattern. -Wow-Follow the history of actual driving fuel consumption data from the past actual driving fuel consumption data, and the battery has not deteriorated. The actual driving fuel consumption data is selected for comparison.
- the actual driving recording unit 4 records the history of measured actual driving fuel consumption data for each driving pattern. Since this is the same content as the battery life evaluation device based on the test run, the description is omitted. However, the past actual fuel consumption data stored in the actual travel storage unit 3b is selected to evaluate the degree of battery deterioration, whereas the past actual fuel consumption data stored in the actual travel storage unit 4 is selected. Actual driving fuel consumption data differs in that it is selected to increase the accuracy of the evaluation when the measured actual driving fuel consumption data is an abnormal value o
- the battery life evaluation device for a hybrid vehicle evaluates the degree of battery deterioration from the reduction value of the driving fuel consumption measured for each driving pattern, and displays information on the battery deterioration. It is useful as a device to perform.
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Electrochemistry (AREA)
- Combustion & Propulsion (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
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- Electric Propulsion And Braking For Vehicles (AREA)
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112007000337T DE112007000337B4 (de) | 2006-02-10 | 2007-02-07 | Hybridfahrzeug-Batterielebensdauer-Bewertungsvorrichtung |
US12/160,543 US8676482B2 (en) | 2006-02-10 | 2007-02-07 | Hybrid vehicle battery life evaluating apparatus |
CN2007800050920A CN101384448B (zh) | 2006-02-10 | 2007-02-07 | 混合动力车辆电池寿命评估设备 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006033403A JP4238875B2 (ja) | 2006-02-10 | 2006-02-10 | ハイブリッド車用電池寿命評価装置 |
JP2006-033403 | 2006-02-10 |
Publications (1)
Publication Number | Publication Date |
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WO2007091710A1 true WO2007091710A1 (ja) | 2007-08-16 |
Family
ID=38345298
Family Applications (1)
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PCT/JP2007/052535 WO2007091710A1 (ja) | 2006-02-10 | 2007-02-07 | ハイブリッド車用電池寿命評価装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8676482B2 (ja) |
JP (1) | JP4238875B2 (ja) |
CN (1) | CN101384448B (ja) |
DE (1) | DE112007000337B4 (ja) |
WO (1) | WO2007091710A1 (ja) |
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Also Published As
Publication number | Publication date |
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DE112007000337B4 (de) | 2010-09-30 |
JP4238875B2 (ja) | 2009-03-18 |
JP2007215332A (ja) | 2007-08-23 |
US20100235024A1 (en) | 2010-09-16 |
CN101384448B (zh) | 2011-03-23 |
DE112007000337T5 (de) | 2008-11-27 |
CN101384448A (zh) | 2009-03-11 |
US8676482B2 (en) | 2014-03-18 |
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