CN110040128A - Hybrid power energy supply control method, apparatus and system - Google Patents
Hybrid power energy supply control method, apparatus and system Download PDFInfo
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- CN110040128A CN110040128A CN201910378067.1A CN201910378067A CN110040128A CN 110040128 A CN110040128 A CN 110040128A CN 201910378067 A CN201910378067 A CN 201910378067A CN 110040128 A CN110040128 A CN 110040128A
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- 238000000034 method Methods 0.000 title claims abstract description 65
- 238000004146 energy storage Methods 0.000 claims description 24
- 230000005611 electricity Effects 0.000 claims description 19
- 230000001276 controlling effect Effects 0.000 description 19
- 238000007726 management method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000009194 climbing Effects 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000005183 dynamical system Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 238000004590 computer program Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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Classifications
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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
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
-
- 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
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/15—Control strategies specially adapted for achieving a particular effect
-
- 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
- B60W2552/15—Road slope, i.e. the inclination of a road segment in the longitudinal direction
-
- 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
-
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/24—Energy storage means
- B60W2710/242—Energy storage means for electrical energy
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The present invention provides a kind of hybrid power energy supply control methods, apparatus and system；Wherein, this method comprises: after the electric energy for the traffic information and electrokinetic cell system for obtaining preset programme path respectively supplies parameter, according to the vehicle parameter that traffic information, electric energy supply parameter and obtain in advance, control instruction is generated；And control instruction is sent to electrokinetic cell system and hybrid electric drive system, so that electrokinetic cell system and hybrid electric drive system carry out energy supply according to the control instruction in the driving process of vehicle.The present invention improves the efficiency of Vehicular system energy supply under special load conditions, to improve the economy of vehicle and the dynamic property by hill path.
Description
Technical field
The present invention relates to technical field of vehicle control, more particularly, to a kind of hybrid power energy supply control method, dress
It sets and system.
Background technique
The energy supply system of existing hybrid vehicle is mainly according to system and road real-time status to energy management
It is controlled, when vehicle traction torque demand or larger power demand, while engine provides driving energy, power electric
Pond provides electric energy and drives vehicle for power drive system booster engine；When vehicle traction torque demand or smaller power demand,
Engine can provide dump energy while driving vehicle and be converted into electric energy deposit power battery, can make the comprehensive effect of system in this way
Rate is more excellent, not only reduces complete-vehicle oil consumption, but also can obtain better driving experience.However current this hybrid power controlling party
Method, when road conditions are more special, if vehicle is in traveling on hillside or when congested link is run at a low speed, power battery may have been located
In low battery area, enough electric energy cannot be provided and used for dynamical system, to limit vehicle climbing capacity and reduce combustion
Oily economy, and the economy of vehicle and comfort are all poor when running at a low speed.
Summary of the invention
The purpose of the present invention is to provide a kind of hybrid power energy supply control methods, apparatus and system, to improve vehicle
The efficiency of system energy supply under special load conditions, to improve the economy of vehicle and the dynamic property by hill path.
In a first aspect, the embodiment of the invention provides a kind of hybrid power energy supply control method, this method is applied to
The central controller of vehicle；Satellite positioning and path planning navigation system, the hybrid power of central controller and the vehicle drive
System and electrokinetic cell system connection；This method comprises: obtaining preset rule by satellite positioning and path planning navigation system
The electric energy of the traffic information and electrokinetic cell system of drawing route supplies parameter；According to traffic information, electric energy supply parameter and in advance
The vehicle parameter of acquisition generates control instruction；Control instruction is sent to electrokinetic cell system and hybrid electric drive system, with
Electrokinetic cell system and hybrid electric drive system is set to carry out energy supply in the driving process of vehicle.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein on
State the transit time and passage speed that traffic information includes programme path；Vehicle parameter includes running at a low speed threshold value, power supply efficiency
And energy storage efficiency；It includes remaining capacity that electric energy, which supplies parameter,；Control instruction includes controlling electric energy sub-instructions and hybrid power control
Sub-instructions；The above-mentioned vehicle parameter for supplying parameter according to traffic information, electric energy and obtaining in advance, generates control instruction, comprising: sentence
Whether disconnected passage speed is less than or equal to run at a low speed threshold value；If so, being calculated by transit time, passage speed and power supply efficiency
Obtain by it is pure it is electrically driven (operated) in a manner of by theoretical power supply volume needed for programme path；Judge whether remaining capacity is greater than theoretical power supply
Amount；If not, electric energy supply amount and mixing is calculated by transit time, remaining capacity, theoretical power supply volume and energy storage efficiency
Power supply amount；According to electric energy supply amount, controlling electric energy sub-instructions are generated；According to hybrid power supply amount, hybrid power is generated
Control sub-instructions.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein on
State the grade information that traffic information includes programme path；Vehicle parameter includes gradient threshold range, power supply efficiency and energy storage efficiency；
It includes remaining capacity that electric energy, which supplies parameter,；Control instruction includes controlling electric energy sub-instructions and hybrid power control sub-instructions；It is above-mentioned
According to the vehicle parameter that traffic information, electric energy supply parameter and obtain in advance, control instruction is generated, comprising: according to grade information
And gradient threshold range, judge whether programme path is level land；If not, being calculated by grade information and power supply efficiency logical
Cross the theoretical power change amount of programme path；According to remaining capacity and theoretical power change amount, be calculated electric energy supply amount and
Hybrid power supply amount；According to electric energy supply amount, controlling electric energy sub-instructions are generated；According to hybrid power supply amount, mixing is generated
Dynamic Control sub-instructions.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the third of first aspect
Possible embodiment, wherein it is above-mentioned according to remaining capacity and theoretical power change amount, electric energy supply amount and mixing is calculated
Power supply amount, comprising: when grade information include uphill angle and it is current apart from when, judge whether remaining capacity is greater than theoretical electricity
The numerical value of energy variable quantity；If not, electric energy supply is calculated by remaining capacity, theoretical power change amount and energy storage efficiency
Amount and hybrid power supply amount.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, wherein above-mentioned electric energy supply parameter further includes residual memory space；It is above-mentioned according to remaining capacity and theory
Electric energy supply amount and hybrid power supply amount is calculated in power change amount, comprising: when grade information includes lower angle of slope and is led to
When row distance, judge whether residual memory space is greater than theoretical power change amount；If not, passing through residual memory space, theory
Electric energy supply amount and hybrid power supply amount is calculated in power change amount and energy storage efficiency.
The third or the 4th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides first aspects
The 5th kind of possible embodiment, wherein it is above-mentioned that control instruction is sent to electrokinetic cell system and hybrid drive train
System, so that electrokinetic cell system and hybrid electric drive system carry out energy supply in the driving process of vehicle, comprising: will be electric
It can control sub-instructions and be sent to electrokinetic cell system, carry out energy confession in the driving process of vehicle to control electrokinetic cell system
It gives；Hybrid power control sub-instructions are sent to hybrid electric drive system, to control hybrid electric drive system in vehicle
Energy supply is carried out in driving process.
Second aspect, the embodiment of the present invention also provide a kind of hybrid power energy supply control device, above-mentioned apparatus setting
In the central controller of vehicle；The satellite positioning and path planning navigation system of central controller and vehicle, hybrid power driving
System and electrokinetic cell system connection；The device includes: that traffic information obtains module, for obtaining the road of preset programme path
Condition information；Electric energy supplies parameter acquisition module, and the electric energy for obtaining electrokinetic cell system supplies parameter；Directive generation module,
Vehicle parameter for supplying parameter according to traffic information, electric energy and obtaining in advance, generates control instruction；Instruction sending module,
For control instruction to be sent to electrokinetic cell system and hybrid electric drive system, so that electrokinetic cell system and hybrid power
Drive system carries out energy supply in the driving process of vehicle.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein on
State the transit time and passage speed that traffic information includes programme path；Above-mentioned vehicle parameter includes running at a low speed threshold value, power supply
Efficiency and energy storage efficiency；It includes remaining capacity that electric energy, which supplies parameter,；Control instruction includes controlling electric energy sub-instructions and hybrid power
Control sub-instructions；Above-metioned instruction generation module is also used to: judging whether passage speed is less than or equal to run at a low speed threshold value；If
Be, by transit time, passage speed and power supply efficiency be calculated by it is pure it is electrically driven (operated) in a manner of by needed for programme path
Theoretical power supply volume；Judge whether remaining capacity is greater than theoretical power supply volume；If not, passing through transit time, remaining capacity, theoretical confession
Electric energy supply amount and hybrid power supply amount is calculated in electricity and energy storage efficiency；According to electric energy supply amount, controlling electric energy is generated
Sub-instructions；According to hybrid power supply amount, generates hybrid power and control sub-instructions.
In conjunction with second aspect, the embodiment of the invention provides second of possible embodiments of second aspect, wherein on
State the grade information that traffic information includes programme path；Vehicle parameter includes gradient threshold range, power supply efficiency and energy storage efficiency；
It includes remaining capacity that electric energy, which supplies parameter,；Control instruction includes controlling electric energy sub-instructions and hybrid power control sub-instructions；It is above-mentioned
Directive generation module is also used to: according to grade information and gradient threshold range, judging whether programme path is level land；If not,
The theoretical power change amount by programme path is calculated by grade information and power supply efficiency；According to remaining capacity and theory
Electric energy supply amount and hybrid power supply amount is calculated in power change amount；According to electric energy supply amount, generates controlling electric energy and refer to
It enables；According to hybrid power supply amount, generates hybrid power and control sub-instructions.
The third aspect, the embodiment of the present invention also provide a kind of hybrid power energy supply control system, including center control
Device, satellite positioning and path planning navigation system, hybrid electric drive system and electrokinetic cell system；During above-mentioned apparatus is set to
Entreat controller.
The embodiment of the invention provides a kind of hybrid power energy supply control methods, apparatus and system；It is obtaining respectively
After the traffic information of preset programme path and the electric energy supply parameter of electrokinetic cell system, supplied according to traffic information, electric energy
Parameter and the vehicle parameter obtained in advance generate control instruction；And control instruction is sent to electrokinetic cell system and is mixed dynamic
Power-driven system, so that electrokinetic cell system and hybrid electric drive system are according to the control instruction in the driving process of vehicle
Carry out energy supply.Which improves the efficiency of Vehicular system energy supply under special load conditions, to improve vehicle
Economy and climbing dynamic property.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of hybrid power energy supply control method provided in an embodiment of the present invention；
Fig. 2 is that programme path provided in an embodiment of the present invention is the travel route schematic diagram to go up a slope；
Fig. 3 is the travel route schematic diagram that programme path provided in an embodiment of the present invention is descending；
Fig. 4 is a kind of structural schematic diagram of hybrid electric drive system provided in an embodiment of the present invention；
Fig. 5 is a kind of hybrid electric drive system energy management control of combining cartographic information provided in an embodiment of the present invention
The flow diagram of method；
Fig. 6 is a kind of structural schematic diagram of hybrid power energy supply control device provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of hybrid power energy supply control system provided in an embodiment of the present invention.
Icon: 220- hybrid electric drive system；224- electrokinetic cell system；240- satellite positioning and path planning navigation
System；600- parameter acquisition module；602- directive generation module；604- instruction sending module；The first airflow channel of 400-；70-
Central controller.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The energy supply system of existing hybrid vehicle is mainly according to system and road real-time status to energy management
It is controlled, when vehicle traction torque demand or larger power demand, while engine provides driving energy, power electric
Pond provides electric energy and drives vehicle for power drive system booster engine；When vehicle traction torque demand or smaller power demand,
Engine can provide dump energy while driving vehicle and be converted into electric energy deposit power battery, can make the comprehensive effect of system in this way
Rate is more excellent, not only reduces complete-vehicle oil consumption, but also can obtain better driving experience.
But current this hybrid power control method, only accounts for road conditions and operator demand locating when vehicle driving,
The consideration inabundant to following road condition change causes to enter certain given travel environment when vehicle --- when such as mountain area, move
Power battery may be in low battery area, cannot provide enough electric energy and use for dynamical system, vehicle is caused only to remain when climbing
Engine can provide energy, in some instances it may even be possible to which engine also needs to be additionally provided part energy while providing the energy of driving vehicle
Amount is converted into electric energy and consumes to accessory system or maintain power battery electricity, to limit vehicle climbing capacity and reduce combustion
Oily economy.Or when as entered congested link, due to battery capacity deficiency, engine needs frequent starting, and leads to low speed row
The economy of system and comfort are all poor when sailing.
Based on the above issues, the embodiment of the invention provides a kind of hybrid power energy supply control method, device and
System can be applied to energy supply control or other hybrid electric drive systems of hybrid vehicle.
To be supplied a kind of hybrid power energy disclosed in the embodiment of the present invention first convenient for understanding the present embodiment
It describes in detail to control method.
A kind of flow chart of hybrid power energy supply control method shown in Figure 1, this method are applied to vehicle
Central controller；The satellite positioning and path planning navigation system of central controller and the vehicle, hybrid electric drive system and
Electrokinetic cell system connection；Method includes the following steps:
Step S100: by satellite positioning and path planning navigation system obtain preset programme path traffic information and
The electric energy of electrokinetic cell system supplies parameter.
Above-mentioned programme path can be artificially input to by user satellite positioning and path planning navigation system of vehicle etc. its
It is responsible in the system of route planning；Current vehicle flow, the topography in each section of the available programme path of the navigation system
Equal traffic informations, above-mentioned central controller can be to the system interrogation traffic information of responsible route planning, to get default
Programme path traffic information.
Above-mentioned electric energy supply parameter may include the current residual electricity of electrokinetic cell system, current memory space, current
The travelable distance etc. of remaining capacity；It under normal conditions, include controller in electrokinetic cell system, above-mentioned central controller can
To inquire that electric energy supplies parameter to it, to get the electric energy supply parameter of electrokinetic cell system.
Step S102: the vehicle parameter for supplying parameter according to traffic information, electric energy and obtaining in advance generates control instruction.
In practice, when the traffic information difference of programme path, the control strategy of use is different；Assuming that current vehicle row
It sails in more smooth section, after traffic information is shown in 1 kilometer of distance, congested link will be entered, vehicle will be carried out with low speed
Traveling；Since at low speeds, if the energy content of battery is insufficient, engine needs frequent starting, the corresponding part mill of vehicle will lead to
Damage larger, and user experience is poor, and economy and comfort are poor；Therefore, it to improve user experience and protection vehicle itself, needs
Hybrid power energy supply is controlled, so that vehicle passes through the congested link in a manner of pure electricity supply.At this time, it may be necessary to
Judge whether the remaining capacity of electrokinetic cell system is sufficient, if not enough abundance, control instruction can be generated, keeps mixing dynamic
Power-driven system and electrokinetic cell system carry out energy supply simultaneously, or hybrid electric drive system is used only and carries out energy confession
It gives, while recovering energy and charging for electrokinetic cell system, so that vehicle is before driving to congested link, power battery
The power supply capacity of system reaches the degree for realizing that vehicle passes through the congested link in a manner of pure electricity supply.
Similarly, when vehicle is in upward slope state, not enough power supply will limit vehicle climbing capacity and reduce fuel-economy
Property, needs to adjust energy supply mode by the way of such as step S102, so that vehicle is before driving to upward slope, power electric
The power supply capacity of cell system, which reaches, realizes vehicle in a manner of pure electricity supply by the degree of the upward slope.When vehicle is in lower ramp shaped
When state, energy feedback can be carried out to electrokinetic cell system, when the residual memory space of electrokinetic cell system can not recycle completely
When energy feedback, will cause the wasting of resources, need to generate control instruction at this time so that vehicle drive to downhill path section before,
Electrokinetic cell system discharges some electricity memory spaces in advance.
Step S104: control instruction is sent to electrokinetic cell system and hybrid electric drive system, so that power battery
System and hybrid electric drive system carry out energy supply in the driving process of vehicle.
The embodiment of the invention provides a kind of hybrid power energy supply control methods；Preset planning road is being obtained respectively
After the traffic information of line and the electric energy supply parameter of electrokinetic cell system, parameter is supplied according to traffic information, electric energy and is obtained in advance
The vehicle parameter taken generates control instruction；And control instruction is sent to electrokinetic cell system and hybrid electric drive system, with
Electrokinetic cell system and hybrid electric drive system is set to carry out energy supply in the driving process of vehicle according to the control instruction.
The method increase the efficiency of Vehicular system energy supply under special load conditions, to improve the economy of vehicle and climb
Slope dynamic property.
In practice, it needs to be judged according to traffic information in programme path whether to include congested link, then adjusts energy
Supply strategy；During Developing Tactics, as described in step S102, some parameters are needed to refer to, as traffic information, vehicle are joined
Number, electric energy supply parameter etc.；Traffic information can be with the transit time and passage speed of programme path；Vehicle parameter includes low speed row
Sail threshold value, power supply efficiency and energy storage efficiency；It includes remaining capacity that electric energy, which supplies parameter,；Control instruction includes controlling electric energy sub-instructions
And hybrid power controls sub-instructions；Above-mentioned steps S102 is realized especially by following manner:
(1) judge whether passage speed is less than or equal to run at a low speed threshold value；
(2) if so, by transit time, passage speed and power supply efficiency be calculated by it is pure it is electrically driven (operated) in a manner of pass through
Theoretical power supply volume needed for programme path.
Power (unit kW) needed for theory power supply volume needed for pure electric drive passes through programme path=vehicle maintains passage speed
× transit time (unit h) ÷ power supply efficiency (unit %).Wherein, vehicle maintains through power needed for speed to be to default in center
Parameter in controller, central controller can be obtained according to passage speed table look-at.
(3) judge whether remaining capacity is greater than theoretical power supply volume.
(4) if not, electric energy supply is calculated by transit time, remaining capacity, theoretical power supply volume and energy storage efficiency
Amount and hybrid power supply amount；When remaining capacity is not enough to provide vehicle in a manner of pure electric vehicle by following a period of time
When the energy of crowded section of highway, the difference of remaining capacity and theoretical power supply volume can be calculated；Due to when carrying out hybrid power power supply,
It can charge for battery；Pure electric supply amount and hybrid power supply amount are calculated and carry out corresponding system and supplies can control,
So that the electricity of battery is before vehicle reaches crowded section of highway at least equal to theoretical power supply volume.
(5) according to electric energy supply amount, controlling electric energy sub-instructions are generated.
(5) it according to hybrid power supply amount, generates hybrid power and controls sub-instructions.
Specifically, matched simultaneously due to electrokinetic cell system and hybrid electric drive system and be combined into the energy supply clothes of vehicle
Business；Above-mentioned steps S104 may be accomplished by:
(1) controlling electric energy sub-instructions are sent to electrokinetic cell system, to control electrokinetic cell system in the traveling of vehicle
Energy supply is carried out in the process.
(2) hybrid power control sub-instructions are sent to electrokinetic cell system, to control hybrid electric drive system in vehicle
Driving process in carry out energy supply.
It, there are also when a distance, can be obtained in advance by navigation system in vehicle apart from congested link using the above method
Know that following a distance is needed by congested link later, and can get believing by speed and length etc. for the congested link simultaneously
Breath, system are in advance adjusted power battery remaining capacity, so that it is guaranteed that vehicle has enough residues when arriving at congested link
Electricity passes through congested link in a manner of pure electric drive.
When vehicle is by going up a slope or when descending, it is required to be adjusted energy supply mode；During the adjustment,
Some parameters are needed to refer to, such as traffic information, vehicle parameter, electric energy supply parameter；Traffic information includes the slope of programme path
Spend information；Vehicle parameter includes gradient threshold range, power supply efficiency and energy storage efficiency；It includes remaining capacity that electric energy, which supplies parameter,；
Control instruction includes controlling electric energy sub-instructions and hybrid power control sub-instructions；Above-mentioned steps S104 can be real in the following manner
It is existing:
(1) according to grade information and gradient threshold range, judge whether programme path is level land；In practice, can sentence
The disconnected programme path that obtains is in upward slope state or descending state.
(2) if not, the theoretical power change amount by programme path is calculated by grade information and power supply efficiency.
When judging the programme path for upward slope state, as shown in Fig. 2, when vehicle is located at current location A, if power electric
Pond SOC (State of charge remaining capacity) has been in reduced levels, and passes through Vehicular navigation system cartographic information, system
After knowing one section of mileage of future travel, raise section will be passed through.According to the gradient of this section of uphill way, the length in ramp,
Or horizontal distance and the information such as vertical range or linear distance at the starting point B of ramp and between the end point C of ramp, it can be with
Vehicle is calculated by power drive system estimated consumption electricity when this section of slope section.
When judging the programme path for descending state, as shown in figure 3, when vehicle is located at the D of place, if power battery
SOC has been in higher level, and by Vehicular navigation system cartographic information, will be through after system knows one section of mileage of the following situation
Cross one section of descending section.Terminated according at the gradient in this section of descending section, the length in ramp or ramp starting point E and ramp
Horizontal distance and the information such as vertical range or linear distance between point F, system-computed vehicle drive by this section of slope Duan Shi electricity
The dynamic estimated recyclable electricity of system.
(3) according to remaining capacity and theoretical power change amount, electric energy supply amount and hybrid power supply amount is calculated.
When the programme path for determining current driving vehicle by traffic information is uphill line, the grade information is at this time
Uphill angle and it is current apart from when, can first determine whether remaining capacity is greater than the numerical value of theoretical power change amount；If not,
By remaining capacity, theoretical power change amount and energy storage efficiency, electric energy supply amount and hybrid power supply amount is calculated.
Vehicle passes through theory power supply volume needed for uphill way=(power-hybrid dynamic system needed for vehicle driving up can provide power)
(unit kW) × transit time (unit h) ÷ power supply efficiency (unit %).
Wherein, power needed for vehicle driving up is the parameter defaulted in central controller, and central controller can be according to the gradient
Table look-at obtains；Transit time=ramp length ÷ climbing speed, speed of climbing herein is to default in central controller
Parameter, central controller can be obtained according to gradient table look-at.
When the programme path for determining current driving vehicle by traffic information includes descending route, when grade information includes
Lower angle of slope and it is current apart from when, also need the residual memory space for obtaining electrokinetic cell system as electric energy supply parameter at this time；
First determine whether residual memory space is greater than theoretical power change amount；If not, being become by residual memory space, theoretical electric energy
Electric energy supply amount and hybrid power supply amount is calculated in change amount and energy storage efficiency.
Power (unit kW) × transit time can be recycled in theory power supply volume=vehicle descending needed for vehicle passes through descending section
(unit h) × power supply efficiency (unit %).
Wherein, power needed for vehicle descending is the parameter defaulted in central controller, and central controller can be according to the gradient
Table look-at obtains；Transit time=ramp length ÷ descending speed, descending speed is to default in central controller herein
Parameter, central controller can be obtained according to gradient table look-at.(4) according to electric energy supply amount, controlling electric energy sub-instructions are generated；This
When electric energy supply amount can be converted into the energy hole amount that electrokinetic cell system can identify, obtain controlling electric energy sub-instructions.
(5) it according to hybrid power supply amount, generates hybrid power and controls sub-instructions；It at this time can be hybrid power supply amount
It is converted into the energy hole amount that hybrid electric drive system can identify, obtains hybrid power control sub-instructions.
So that vehicle before upward slope, i.e., is returned in this section of distance by energy before arriving at the section starting point B of slope
The modes such as receipts and engine driven generators power generation, are increased to proper level for power battery remaining capacity, so that it is guaranteed that vehicle
The electricity that enough power drive system auxiliary drives use can be provided by power battery when the section of slope；Similarly, so that vehicle exists
Before descending, i.e., pass through pure electric drive and power drive system auxiliary engine in this section of distance before arriving at the section starting point E of slope
The modes such as machine driving, are reduced to proper level for power battery remaining capacity, so that it is guaranteed that vehicle is by power battery when the section of slope
The electricity for thering are enough space storage energy feedbacks to generate.
The above method in vehicle distances hill path or ramp by navigation system by that, there are also when a distance, can be shifted to an earlier date
Know that following a distance is needed later by upward slope or descending section, and can get the relevant information on this road Duan Po simultaneously, is
System is in advance adjusted power battery remaining capacity, so that it is guaranteed that vehicle has enough remaining capacities or have when arriving at slope road
Enough charging spaces.
Based on the above method, the embodiment of the invention also provides a kind of hybrid electric drive system energy of combining cartographic information
Measure management control method.
This method is related to hybrid electric drive system 220 shown in Fig. 4, electrokinetic cell system 224, satellite positioning and path
The composition such as planning navigation system 240.Wherein, hybrid electric drive system is to have pure electro-motive vehicle traveling or assisted engine
The hybrid electric drive system for driving vehicle driving function, generally by hybrid dynamic system controller, engine, motor, gear drive
System and/or coupling box composition；Electrokinetic cell system, for providing electric energy to power drive system or storing what power drive system generated
Electric energy is generally made of battery pack, battery thermal management system, battery management system and controller；Satellite positioning and path planning
Navigation system, by satellite positioning vehicle location, cartographic information in conjunction with built in it plans driving path for vehicle and by aobvious
Show, the modes such as auditory tone cues are driver's navigation, generally by satellite antenna, display unit, sound-generating element, satellite positioning chip and
The composition such as controller, usually integrates with vehicle HMI multimedia video display system.
This approach includes the following steps, and flow chart is as shown in Figure 5:
Step S302, what hybrid electric drive system was supplied to according to satellite positioning and path planning navigation system always
Information, when calculating vehicle future by slope section or congested link, the discharge capacity or charge volume that need power battery reserved.
Step S303, hybrid electric drive system calculate current vehicle position to slope section or to the distance of congested link.
Step S304, hybrid electric drive system are to the distance judgement between slope section or congested link according to current location
No beginning regulating cell remaining capacity.
Step S305, hybrid electric drive system is according to current location to slope section or the distance of congested link, and by slope
Discharge capacity or charge volume are reserved needed for section or congested link, energy management strategies are adjusted, to adjust power battery remaining capacity.Such as
Remaining capacity need to be improved, then before arriving at slope section/congested link, reduces pure electricity traveling, while increasing power generation and charging；If you need to
Remaining capacity is reduced, then before arriving at slope section/congested link, increases pure electricity traveling, while reducing power generation and charging.
Method provided in an embodiment of the present invention solve existing hybrid electric drive system not according to road conditions in advance into
Row energy management, cause vehicle by slope section, hill path when be short of power and economy decline the problem of；It is dynamic to solve existing mixing
Power-driven system carries out energy management not according to road conditions in advance, and vehicle is caused frequently to open by engine when congested link
It is dynamic, cause vehicle to drive the problem that impression is poor, comprehensive economy is bad.This method can be applied to it is any have line satellite positioning and
Navigation system, electric drive and other drive systems (such as fuel cell or internal combustion engine, including petrol engine, diesel engine and
Other engine fuels) vehicle on, and it is not limited to this；This method can be by not had building block of the present invention
Vehicle increases building block, it is made to have the condition using this method.
The hybrid power energy management relevant components of combining cartographic information involved in the embodiment of the present invention, for necessary group
At component, but by different combinations and integration mode, it is equally applicable to have identical function but the different system of integration mode,
Two or more components as described herein or module are such as integrated into one, or by some component as described herein or decomposition module
To be two or more, this will not form essential change to control method described herein.
The embodiment of the present invention also provides a kind of hybrid power energy supply control device, and structural schematic diagram is as shown in Figure 6；
The device is set to the central controller of vehicle；The hybrid electric drive system and electrokinetic cell system of central controller and vehicle
Connection；The device includes: parameter acquisition module 600, for obtaining traffic information and the power battery system of preset programme path
The electric energy of system supplies parameter；Directive generation module 602, the vehicle for supplying parameter according to traffic information, electric energy and obtaining in advance
Parameter generates control instruction；Instruction sending module 604, for control instruction to be sent to electrokinetic cell system and is mixed dynamic
Power-driven system, so that electrokinetic cell system and hybrid electric drive system carry out energy supply in the driving process of vehicle.
Specifically, above-mentioned traffic information includes the transit time and passage speed of programme path；Above-mentioned vehicle parameter includes
Run at a low speed threshold value, power supply efficiency and energy storage efficiency；It includes remaining capacity that electric energy, which supplies parameter,；Control instruction includes controlling electric energy
Sub-instructions and hybrid power control sub-instructions；Above-metioned instruction generation module is also used to:
(1) judge whether passage speed is less than or equal to run at a low speed threshold value；
(2) if so, by transit time, passage speed and power supply efficiency be calculated by it is pure it is electrically driven (operated) in a manner of pass through
Theoretical power supply volume needed for programme path；
(3) judge whether remaining capacity is greater than theoretical power supply volume；
(4) if not, electric energy supply is calculated by transit time, remaining capacity, theoretical power supply volume and energy storage efficiency
Amount and hybrid power supply amount；
(5) according to electric energy supply amount, controlling electric energy sub-instructions are generated；According to hybrid power supply amount, hybrid power is generated
Control sub-instructions.
When including slope road in the vehicle programme path of current driving, above-mentioned traffic information includes the gradient letter of programme path
Breath；Vehicle parameter includes gradient threshold range, power supply efficiency and energy storage efficiency；It includes remaining capacity that electric energy, which supplies parameter,；Control
Instruction includes that controlling electric energy sub-instructions and hybrid power control sub-instructions；Above-metioned instruction generation module is also used to:
(1) according to grade information and gradient threshold range, judge whether programme path is level land；
(2) if not, the theoretical power change amount by programme path is calculated by grade information and power supply efficiency；
(3) according to remaining capacity and theoretical power change amount, electric energy supply amount and hybrid power supply amount is calculated；
(4) according to electric energy supply amount, controlling electric energy sub-instructions are generated；According to hybrid power supply amount, hybrid power is generated
Control sub-instructions.
Hybrid power energy supply control device provided in an embodiment of the present invention, with hybrid power provided by the above embodiment
Energy supply control method technical characteristic having the same reaches identical technology so also can solve identical technical problem
Effect.
The embodiment of the present invention also provides a kind of hybrid power energy supply control system, and structural schematic diagram is as shown in Figure 7；
The system includes central controller 70, hybrid electric drive system 220 and electrokinetic cell system 224 and satellite positioning and path rule
Draw navigation system 240；Above-mentioned apparatus is set to central controller.
The computer program of hybrid power energy supply control method, device and system provided by the embodiment of the present invention
Product, the computer readable storage medium including storing program code, the instruction that said program code includes can be used for executing
Previous methods method as described in the examples, specific implementation can be found in embodiment of the method, and details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
And/or the specific work process of device, it can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of hybrid power energy supply control method, which is characterized in that the method is applied to the central controller of vehicle；
The satellite positioning and path planning navigation system, hybrid electric drive system and power electric of the central controller and the vehicle
Cell system connection；The described method includes:
The traffic information and the power of preset programme path are obtained by the satellite positioning and path planning navigation system
The electric energy of battery system supplies parameter；
According to the vehicle parameter that the traffic information, the electric energy supply parameter and obtain in advance, control instruction is generated；
The control instruction is sent to the electrokinetic cell system and the hybrid electric drive system, so that the power electric
Cell system and the hybrid electric drive system carry out energy supply in the driving process of the vehicle.
2. the method according to claim 1, wherein when the traffic information includes the passage of the programme path
Between and passage speed；The vehicle parameter includes running at a low speed threshold value, power supply efficiency and energy storage efficiency；The electric energy supplies parameter
Including remaining capacity；The control instruction includes controlling electric energy sub-instructions and hybrid power control sub-instructions；
The vehicle parameter for supplying parameter according to the traffic information, the electric energy and obtaining in advance, generates control instruction, packet
It includes:
Judge the passage speed runs at a low speed threshold value described in whether being less than or equal to；
If so, by the transit time, passage speed and power supply efficiency be calculated by it is pure it is electrically driven (operated) in a manner of pass through institute
State theoretical power supply volume needed for programme path；
Judge whether the remaining capacity is greater than the theoretical power supply volume；
If not, being calculated by the transit time, the remaining capacity, the theoretical power supply volume and the energy storage efficiency
To electric energy supply amount and hybrid power supply amount；
According to the electric energy supply amount, controlling electric energy sub-instructions are generated；
According to the hybrid power supply amount, generates hybrid power and control sub-instructions.
3. the method according to claim 1, wherein the traffic information includes the gradient letter of the programme path
Breath；The vehicle parameter includes gradient threshold range, power supply efficiency and energy storage efficiency；The electric energy supply parameter includes remaining electricity
Amount；The control instruction includes controlling electric energy sub-instructions and hybrid power control sub-instructions；
The vehicle parameter for supplying parameter according to the traffic information, the electric energy and obtaining in advance, generates control instruction, packet
It includes:
According to the grade information and the gradient threshold range, judge whether the programme path is level land；
Become if not, being calculated by the grade information and the power supply efficiency by the theoretical electric energy of the programme path
Change amount；
According to the residual electric quantity and the theoretical power change amount, electric energy supply amount and hybrid power supply amount is calculated；
According to the electric energy supply amount, controlling electric energy sub-instructions are generated；
According to the hybrid power supply amount, generates hybrid power and control sub-instructions.
4. according to the method described in claim 3, it is characterized in that, it is described according to the residual electric quantity and the theoretical electric energy becomes
Electric energy supply amount and hybrid power supply amount is calculated in change amount, comprising:
When the grade information include uphill angle and it is current apart from when, judge whether the remaining capacity is greater than theoretical electric energy and becomes
The numerical value of change amount；
If not, by the remaining capacity, the theoretical power change amount and energy storage efficiency, be calculated electric energy supply amount and
Hybrid power supply amount.
5. according to the method described in claim 3, it is characterized in that, electric energy supply parameter further includes residual memory space；
It is described that electric energy supply amount and hybrid power supply amount is calculated according to the residual electric quantity and the theoretical power change amount,
Include:
When the grade information include lower angle of slope and it is current apart from when, judge whether the residual memory space is greater than the reason
By power change amount；
If not, electric energy supply is calculated by the residual memory space, the theoretical power change amount and energy storage efficiency
Amount and hybrid power supply amount.
6. according to the method in claim 2 or 3, which is characterized in that described that the control instruction is sent to the power
Battery system and the hybrid electric drive system, so that the electrokinetic cell system and the hybrid electric drive system are in institute
It states and carries out energy supply in the driving process of vehicle, comprising:
The controlling electric energy sub-instructions are sent to the electrokinetic cell system, to control the electrokinetic cell system in the vehicle
Driving process in carry out energy supply；
Hybrid power control sub-instructions are sent to the hybrid electric drive system, to control the hybrid power driving
System carries out energy supply in the driving process of the vehicle.
7. a kind of hybrid power energy supply control device, which is characterized in that described device is set to the central controller of vehicle；
The satellite positioning and path planning navigation system, hybrid electric drive system and power electric of the central controller and the vehicle
Cell system connection；Described device includes:
Parameter acquisition module, for obtaining the road of preset programme path by the satellite positioning and path planning navigation system
The electric energy of condition information and the electrokinetic cell system supplies parameter；
Directive generation module, the vehicle parameter for supplying parameter according to the traffic information, the electric energy and obtaining in advance are raw
At control instruction；
Instruction sending module, for the control instruction to be sent to the electrokinetic cell system and the hybrid drive train
System, so that the electrokinetic cell system and the hybrid electric drive system carry out energy confession in the driving process of the vehicle
It gives.
8. device according to claim 7, which is characterized in that when the traffic information includes the passage of the programme path
Between and passage speed；The vehicle parameter includes running at a low speed threshold value, power supply efficiency and energy storage efficiency；The electric energy supplies parameter
Including remaining capacity；The control instruction includes controlling electric energy sub-instructions and hybrid power control sub-instructions；
Described instruction generation module is also used to:
Judge the passage speed runs at a low speed threshold value described in whether being less than or equal to；
If so, by the transit time, passage speed and power supply efficiency be calculated by it is pure it is electrically driven (operated) in a manner of pass through institute
State theoretical power supply volume needed for programme path；
Judge whether the remaining capacity is greater than the theoretical power supply volume；
If not, being calculated by the transit time, the remaining capacity, the theoretical power supply volume and the energy storage efficiency
To electric energy supply amount and hybrid power supply amount；
According to the electric energy supply amount, controlling electric energy sub-instructions are generated；
According to the hybrid power supply amount, generates hybrid power and control sub-instructions.
9. device according to claim 7, which is characterized in that the traffic information includes the gradient letter of the programme path
Breath；The vehicle parameter includes gradient threshold range, power supply efficiency and energy storage efficiency；The electric energy supply parameter includes remaining electricity
Amount；The control instruction includes controlling electric energy sub-instructions and hybrid power control sub-instructions；
Described instruction generation module is also used to:
According to the grade information and the gradient threshold range, judge whether the programme path is level land；
Become if not, being calculated by the grade information and the power supply efficiency by the theoretical electric energy of the programme path
Change amount；
According to the residual electric quantity and the theoretical power change amount, electric energy supply amount and hybrid power supply amount is calculated；
According to the electric energy supply amount, controlling electric energy sub-instructions are generated；
According to the hybrid power supply amount, generates hybrid power and control sub-instructions.
10. a kind of hybrid power energy supply control system, which is characterized in that including central controller, satellite positioning and path
Planning navigation system, hybrid electric drive system and electrokinetic cell system；The described in any item devices of claim 7-9 are set to
The central controller.
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