CN101857023B - Method for operating electric vehicle - Google Patents

Method for operating electric vehicle Download PDF

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Publication number
CN101857023B
CN101857023B CN201010159851.2A CN201010159851A CN101857023B CN 101857023 B CN101857023 B CN 101857023B CN 201010159851 A CN201010159851 A CN 201010159851A CN 101857023 B CN101857023 B CN 101857023B
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soc1
charge condition
electric
energy
power generation
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CN101857023A (en
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R·菲希尔
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AVL List GmbH
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AVL List GmbH
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • 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]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • 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
    • 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
    • B60K6/46—Series type
    • 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
    • B60L3/12—Recording operating variables ; Monitoring of operating variables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • B60L50/62—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles charged by low-power generators primarily intended to support the batteries, e.g. range extenders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/24—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/13—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
    • 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
    • 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
    • H01M10/44—Methods for charging or discharging
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • 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
    • B60L2240/60—Navigation input
    • B60L2240/62—Vehicle position
    • 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
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/24—Energy storage means
    • B60W2510/242—Energy storage means for electrical energy
    • B60W2510/244—Charge state
    • 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
    • B60W2520/00—Input parameters relating to overall vehicle dynamics
    • B60W2520/10—Longitudinal speed
    • 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
    • B60W2552/00—Input parameters relating to infrastructure
    • B60W2552/20—Road profile, i.e. the change in elevation or curvature of a plurality of continuous road segments
    • 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
    • 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
    • B60W2556/45—External transmission of data to or from the vehicle
    • B60W2556/50—External transmission of data to or from the vehicle of positioning data, e.g. GPS [Global Positioning System] data
    • 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
    • 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
    • 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
    • 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
    • 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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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  • Engineering & Computer Science (AREA)
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  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Sustainable Development (AREA)
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  • Electrochemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
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  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The present invention relates to a method for operating electric vehicle. The electric vehicle comprises at least one electric motor, at least one electric accumulator and at least one power generator, wherein the power generator is activated from a defined charging state (SOC) of the electric accumulator. For reducing the cost of the electric vehicle and saving the structure space, the invention suggests that the power generator is designed for the average power requirement of the electric motor at a defined continuous speed state of the electric vehicle on land, and the power generator is activated at a state of a defined conduction charging state (SOC1) before obtaining a technical lower operation limit in the charging state of the electric accumulator, wherein the conduction charging state (SOC1) defines the energy reserve (R) of the electric accumulator according to the technical lower operation limit (SOC2). The magnitude of the energy reserve (R) is measured so that the defined peak power can be satisfied in the aspects of number, magnitude and/or duration, preferably the vehicle acceleration and/or hill climbing is satisfied.

Description

For the method for operating electric vehicle
Technical field
The present invention relates to a kind of method for operating electric vehicle, this electronlmobil has at least one electric engine, at least one electric energy accumulator and at least one power generation assembly, wherein activation power generation assembly from the defined charge condition of electric energy accumulator.
Background technology
EP 1 225 074 A2 discloses a kind of serial type hybrid automobile, its combustion engine having electrical motor, electrical generator and drive this electrical generator.At this, in zero-emission region, when engine shutdown, merely electricity consumption operates this automobile.In the case, not only can be close to enter without discharge areas before and also electric energy accumulator can be charged by combustion engine without during discharge areas leaving.
WO 2005/082663A1 discloses a kind of portable power generation unit for electronlmobil, and this generator set is configured for the trip distance extending this electronlmobil.
US 2009/015202A discloses a kind of method regulated for the charging in hybrid vehicle, wherein specified charge condition is defined as the aviation value of chargeable range.Energy flow is conditioned, to maintain specified charge condition.By operating the electric engine of hybrid vehicle, charge condition is declined from this rated value and is again raised by the electric energy generated with combustion engine.
WO 2008/128416A1 discloses a kind of energy management for hybrid vehicle, this hybrid vehicle has load estimation system, utilize this load estimation system and calculate following load level based on input parameter with by the system of self study, to determine the car speed of the horsepower output in optimum future, battery charging state and optimum based on load request.Power based on the future of this optimum is estimated to coordinate the combustion engine of hybrid vehicle, electrical generator and electric energy accumulator.
Generally speaking, in known serial type hybrid automobile, so design combustion engine and electrical generator, to make it possible to meet maximum power demand.
Summary of the invention
Task of the present invention is, expends meet load request interim in electronlmobil with lowest possible technology.
According to the present invention, this reaches in the following way: for electronlmobil on level land in defined continuous speed situation the average power requirement of electric engine to design power generation assembly, and in defined connection charge condition situation, power generation assembly was activated before the technical lower work threshold of charge condition reaching electric energy accumulator, wherein this connection charge condition defines the energy of reserve of electric energy accumulator according to technical lower work threshold, the size of this energy of reserve is so measured, to make it possible to quantitatively, defined peak power is met in size and/or on time length, preferably meet automobile to accelerate and/or climbing.Preferably, connection charge condition is so set, to make at least 10% in the capacity of energy storage, preferably at least 30%, be retained as energy of reserve.In this way, all working scope of automobile can be met.
Propose in a particularly advantageous enforcement flexible program of the present invention, in the process of self study, connection charge condition is set based on electronlmobil completed traveling.
Can alternatively or in addition to propose, according to travelling destination and/or the running route planned is determined to connect charge condition, wherein particularly advantageously, at least two running sections in the running route planned define different connection charge conditions.Section characteristic can be together considered thus when defining and connecting charge condition.
By designing power generation assembly for the average power requirement of electric engine in command speed situation defined on level land, structure closely can be reached.
Accompanying drawing explanation
Below the present invention is further illustrated with reference to the accompanying drawings.Accompanying drawing illustrates:
Fig. 1 show electric energy accumulator operationally between on charge condition; And
Fig. 2 shows the design drawing of power generation assembly.
Detailed description of the invention
Above time t, the charge condition SOC of the electric energy accumulator with electrically operated automobile is shown in Fig. 1.In traditional electronlmobil, electric energy accumulator travel run in be discharged until technically possible minimum state of charge, this minimum state of charge represents the technology lower limit SOC2 of electronlmobil rideability.After reaching this state, available road horsepower directly depends on the energy input of power generation assembly (distance extender) and is therefore limited.
According to preceding method, not until the technical lower limit SOC2 place of electric energy accumulator just activates power generation assembly, but just activate this power generation assembly in the scope that the first charge condition of centre---connects charge condition SOC1---, thus remaining energy of reserve R is retained in energy storage.By being defined in above technical lower limit SOC2, triggered process of charging by power generation assembly after being reached connection charge condition SOC1, can by via energy of reserve R buffer action by the restriction expansion of obtained road horsepower until system limits.Therefore, the interim peak power such as accelerated or climb and so on can be met, and without the need to designing the power of power generation assembly for peak hook load, be only required to be average power to design the power of this power generation assembly.
Show the conventional traveling with electrically operated electronlmobil with dotted line 1 in Fig. 1 to run, and show with 2 and run according to the traveling of method described herein.If charge condition SOC reaches connect charge condition SOC1 (point 3), so just connect power generation assembly, from the energy of reserve R of electric energy accumulator, wherein only take out the energy requirement exceeding the power of power generation assembly.
Fig. 2 shows the design drawing of power generation assembly (distance extender), wherein above speed v, power P is shown.Be suitable for prespecified as follows for this design: compared with simple electric operation, electronlmobil should not have road horsepower loss in the operation utilizing distance extender.This electronlmobil is designed by road horsepower for determining (dynam, hill climbing ability, maximum speed, etc.).The power of power generation assembly significantly can be less than the power of the driving engine of electronlmobil.Design power generation assembly like this, meets the maximum speed of electronlmobil on level land and additional energy consumption device to make it.The dynamic requirements of the power exceeding power generation assembly is met by the fixed electricity deposit R of electric energy accumulator (automobile batteries).
All calculating shows, can be such as 1450kg at total weight, electric flux deposit R be about 2kWh electronlmobil situation under meet vehicle dynamics.Curve of resistance 4,5,6,7 about different slope is shown in Fig. 2, has wherein used dashed curve 4 ', 5 ', 6 ', 7 ' to show and using the energy requirement in additional auxiliary unit situation.If exemplarily observe the unit (it corresponds to the Wheel power of about 13kW) with 15kW electric power, so can see, this selected automobile (1475kg takies entirely) can reach the constant speed of 100km/h.If use the electric flux deposit R of 2kWh, even if distance extender and battery so also can be utilized in the slope situation of 2% to make the speed multirow of this 100km/h sail 21km (see point 11).Alternatively, 22 acceleration from 100km/h to 120km/h can be carried out.By comparison, the distance of 66km can be travelled longer than or carry out 28 accelerators (see point 12) from 80km/h to 100km/h in the slope situation of 80km/h and 2%.In the slope situation of 5%, utilize energy of reserve R can travel the distance of 9km or perform 19 accelerators from 100km/h to 120km/h, as to put shown in 13.Reference numeral 14 represents the operation point in the slope situation of 80km/h and 5%, wherein utilizes energy of reserve R can travel 12km or performs 25 accelerators from 80km/h to 100km/h.Point 15 has marked the operation point of the moving velocity of 60km/h, wherein can travel longer than the distance of 22km or can perform 34 accelerators from 60km/h to 80km/h.In the moving velocity situation of the slope 10% and 60km/h, utilize energy of reserve R only to travel the distance of about 6km or to perform 28 accelerators from 60km/h to 80km/h.
Connect charge condition SOC1 or energy of reserve R to be determined based on the use characteristic estimated by electronlmobil by car manufactures.Alternatively, can also determine neatly to connect charge condition SOC1 in the system of the run duration of electronlmobil by self study.In the case, the traveling in electronlmobil past forms the basis redefining and connect charge condition SOC1, to make it possible to readjust the factory default predefined setting in ground downwards or upwards based on the section of reality.Such as, accelerate at a large amount of automobile and meaningfully, larger energy of reserve R can be set in the running section situation precipitous higher than average water level land, activated in advance power generation assembly in operation can be sailed in electrical travelling thus.On the other hand, can definitely meaningfully when travelling equably on smooth street with average velociity, reduce electric flux deposit R and postpone the activation of power generation assembly, thus can fuel saving prevent unnecessary discharge.
Particularly advantageously, based on input navigationsystem destination data and based on the information about the magnitude of traffic flow and estimate for overcoming the running section faced energy requirement when considering the such as obstacle such as slope, blocking, and calculating optimum energy of reserve and therefore calculating the position for activating conclusive on-state SOC1 for power generation assembly.This optimization can be carried out when weighing and travelling time length or consumption of fuel or discharge.In addition, different energy of reserve R can also be defined neatly for the running section determined.This is particularly advantageous when main section characteristic (steepness, sinuousness, the magnitude of traffic flow) changes in running route process.

Claims (7)

1. the method for operating electric vehicle, described electronlmobil has at least one electric engine, at least one electric energy accumulator, and at least one power generation assembly, wherein from the defined charge condition (SOC) of described electric energy accumulator, activate described power generation assembly, it is characterized in that, for described electronlmobil on level land in defined continuous speed situation the average power requirement of described electric engine design described power generation assembly, and in defined connection charge condition (SOC1) situation, described power generation assembly was activated before the technical lower work threshold of charge condition reaching described electric energy accumulator, wherein said connection charge condition (SOC1) defines the energy of reserve (R) of described electric energy accumulator according to described technical lower work threshold (SOC2), the size of described energy of reserve (R) is so measured, to make it possible to quantitatively, defined peak power is met in size and/or on time length.
2. the method for claim 1, is characterized in that, described peak power comprises automobile and accelerates and/or climbing.
3. method as claimed in claim 1 or 2, is characterized in that, so arrange described connection charge condition (SOC1), to make at least 10% in the capacity of described energy storage, be retained as energy of reserve (R).
4. method as claimed in claim 1 or 2, is characterized in that, so arrange described connection charge condition (SOC1), to make at least 30% in the capacity of described energy storage be retained as energy of reserve (R).
5. method as claimed in claim 1 or 2, is characterized in that, in the process of self study, arrange described connection charge condition (SOC1) based on the completed traveling of described electronlmobil.
6. method as claimed in claim 1 or 2, is characterized in that, according to travelling destination and/or the running route planned determines described connection charge condition (SOC1).
7. method as claimed in claim 1 or 2, is characterized in that, at least two running sections in the running route planned define different connection charge conditions (SOC1).
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