CN108556838B - Automobile energy control method, apparatus and system - Google Patents
Automobile energy control method, apparatus and system Download PDFInfo
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- CN108556838B CN108556838B CN201810256653.4A CN201810256653A CN108556838B CN 108556838 B CN108556838 B CN 108556838B CN 201810256653 A CN201810256653 A CN 201810256653A CN 108556838 B CN108556838 B CN 108556838B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- 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
- B60W20/14—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 in conjunction with braking regeneration
-
- 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
- B60W10/04—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
- B60W10/24—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
- B60W20/16—Control strategies specially adapted for achieving a particular effect for reducing engine exhaust emissions
-
- 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
-
- 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
- B60W2554/00—Input parameters relating to objects
-
- 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 for navigation systems
Abstract
The present invention provides a kind of automobile energy control methods, apparatus and system, are related to automobile technical field, and this method is applied to the vehicle control device of hybrid power system, comprising: the traffic information in real-time monitoring current vehicle driving direction；It is searched and the consistent energy allocation strategy of traffic information in pre-stored policy database；It is controlled according to energy of the energy allocation strategy to current vehicle.Automobile energy control method provided by the invention, apparatus and system, by way of being introduced into the traffic information in vehicle travel process, so that hybrid vehicle is under the premise of original Brake energy recovery, sliding energy regenerating, low speed torque power-assisted strategy, it can judge the travel situations in the following distance to a declared goal of vehicle, active control is carried out to the energy of automobile, not only improve the control flexibility of hybrid vehicle, also contribute to making the oil-saving discharging-reducing of vehicle to be optimal effect, the efficiency of energy regenerating is improved, and then promotes the comfort driven.
Description
Technical field
The present invention relates to automobile technical fields, more particularly, to a kind of automobile energy control method, apparatus and system.
Background technique
With becoming increasingly popular for hybrid vehicle, also increasing, the hybrid power of the owning amount of hybrid vehicle
The energy conservation of automobile and continuation of the journey problem are by the very big attention of domestic and international automotive community.In order to protect environment and reasonably utilize
Resource must just reduce the resource consumption of hybrid vehicle.In general, the energy lost when hybrid vehicle is braked carries out
Recycling, and recycled when hybrid vehicle accelerates or goes up a slope, the cruising ability of hybrid vehicle can be improved.
As harsh discharge and fuel economy regulation push automobile main frame maker to find new solution, for hybrid power
The automobile of system, can be by accelerating to assist, energy regenerating, start-stop and the functions such as slides discharge and saving is effectively reduced
Fuel oil；Simultaneously by hoisting power and the energy reserve of abundance, enhance the ability of air-conditioning, aid parking, electronics cruises, electronic to drive
It the functions such as sails, realize stable energy supply and promotes driver comfort.
But hybrid vehicle is when carrying out energy regenerating at present, the energy regenerating ratio of different-energy recovery system
Example is relatively fixed, so that the oil-saving discharging-reducing effect of vehicle is extremely difficult to optimal effectiveness, causes the efficiency of energy regenerating lower, also unfavorable
In the comfort for promoting driving.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of automobile energy control method, apparatus and system, with alleviate by
Relatively fixed, the technical problem for causing the efficiency of energy regenerating lower in the energy regenerating ratio of energy recycling system.
In a first aspect, this method is applied to hybrid power the embodiment of the invention provides a kind of automobile energy control method
The vehicle control device of system, comprising: the traffic information in real-time monitoring current vehicle driving direction；In pre-stored strategy number
It is searched and the consistent energy allocation strategy of traffic information according in library；It is controlled according to energy of the energy allocation strategy to current vehicle
System.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein on
Vehicle control device is stated to connect with navigation system；The step of traffic information in real-time monitoring current vehicle driving direction includes: logical
Cross the traffic information in navigation system real-time monitoring current vehicle driving direction, wherein traffic information include: road information and/
Or vehicle congestion information；Road information includes slope road information, level road information and detour information；Vehicle congestion information includes: unimpeded
Section, alternatively, congested link.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspect
Possible embodiment, wherein above-mentioned search in pre-stored policy database is distributed with the consistent energy of traffic information
Strategy includes: to search first in pre-stored policy database when traffic information is detour information and/or congested link
Energy allocation strategy；When traffic information is slope road information, the distribution of the second energy is searched in pre-stored policy database
Strategy；When traffic information be level road information, and be unimpeded section when, in pre-stored policy database search third energy
Allocation strategy；Wherein, traffic information is the traffic information in the distance to a declared goal in current vehicle driving direction.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the third of first aspect
Possible embodiment, wherein when energy allocation strategy is the first energy allocation strategy, according to energy allocation strategy to current
The step of energy of vehicle is controlled includes: to send the first driving signal to motor, and driving motor charges to the battery.
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 when energy allocation strategy be the second energy allocation strategy, and when scarp slope road be upward trend when, on
Stating the step of controlling according to energy of the energy allocation strategy to current vehicle includes: judgement when the slope of the upward trend on scarp slope road
Whether degree is greater than uphill gradient threshold value；If so, sending the first driving signal to motor, driving motor is filled to the battery
Electricity.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the 5th kind of first aspect
Possible embodiment, wherein when energy allocation strategy be the second energy allocation strategy, and when scarp slope road be downhill path when, on
State according to energy of the energy allocation strategy to current vehicle carry out control include: judgement when scarp slope road downhill path the gradient whether
Greater than downward grades threshold value；If so, sending the second driving signal to motor, driving motor increases according to preset torque gear
Torque, while third driving signal is sent to engine, driving engine reduces torque according to preset torque gear.
Third or the 4th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides first aspects
6th kind of possible embodiment, wherein the above method further include: the charge parameter in real-time monitoring charging process, wherein fill
Electrical parameter includes the electricity, battery temp and motor temperature of battery；When parameter any in charge parameter is more than to set in advance
When the parameter threshold set, stopping charges to battery.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the 7th kind of first aspect
Possible embodiment, wherein above-mentioned according to energy allocation strategy pair when energy allocation strategy is third energy allocation strategy
The step of energy of current vehicle is controlled includes: the information about power for monitoring battery；When the electricity that electric quantity signal is shown is low
When pre-set minimum power threshold, activation energy recovery system charges to battery；It is shown when electric quantity signal
When electricity is higher than pre-set highest power threshold, stopping charges to battery.
Second aspect, the embodiment of the invention also provides a kind of automobile energy control device, it is dynamic which is set to mixing
The vehicle control device of Force system, comprising: monitoring modular, for the traffic information in real-time monitoring current vehicle driving direction；It looks into
Module is looked for, for searching and the consistent energy allocation strategy of traffic information in pre-stored policy database；Control module,
For being controlled according to energy of the energy allocation strategy to current vehicle.
The third aspect, the embodiment of the invention also provides a kind of automobile energy control systems, including vehicle control device, and
The navigation system and dynamical system being connect with vehicle control device；Vehicle control device includes memory and processor, and memory is used
Processor is supported to execute the program of above-mentioned first aspect the method in storage, processor is configurable for executing the storage
The program stored in device.
Fourth aspect, the embodiment of the invention also provides a kind of computer storage mediums, for being stored as second aspect institute
State computer software instructions used in device.
The embodiment of the present invention bring it is following the utility model has the advantages that
A kind of automobile energy control method provided in an embodiment of the present invention, apparatus and system, work as front truck by real-time monitoring
Traffic information in driving direction；And it searches in pre-stored policy database and is distributed with the consistent energy of traffic information
Strategy；It can be controlled according to energy of the energy allocation strategy to current vehicle, above by being introduced into vehicle travel process
Traffic information mode so that hybrid vehicle in original Brake energy recovery, slide energy regenerating, low speed torque power-assisted
Under the premise of strategy, the travel situations in the following distance to a declared goal of vehicle can be judged, active control is carried out to the energy of automobile, no
Only improve the control flexibility of hybrid vehicle, it helps so that the oil-saving discharging-reducing of vehicle is optimal effect, improve energy
The efficiency of recycling, and then promote the comfort driven.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
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 skilled in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of a scenario of hybrid power system provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of automobile energy control method provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another automobile energy control method provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of automobile energy control device provided in an embodiment of the present invention；
Fig. 5 is a kind of structural block diagram of automobile energy control system provided in an embodiment of the present invention；
Fig. 6 is a kind of structural block diagram of vehicle control device provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those skilled in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, the automobile of hybrid power system, especially 48V gently mix power vehicle, tool relative to traditional power car
There is Brake energy recovery, slide energy regenerating, low speed torque assist function, but the energy that energy regenerating ratio, power-assisted use
Ratio, it is relatively fixed, it is to be adjusted according to the operating condition of vehicle itself, does not consider real-time traffic information, makes the section of vehicle
Oily emission reduction effect is extremely difficult to optimize.
Based on this, the embodiment of the invention provides a kind of automobile energy control methods, apparatus and system, can be dynamic to mixing
The automobile energy of power automobile is controlled, to improve the effect of the oil-saving discharging-reducing of vehicle.
For convenient for understanding the present embodiment, first to a kind of automobile energy controlling party disclosed in the embodiment of the present invention
Method describes in detail.
Fig. 1 shows a kind of schematic diagram of a scenario of hybrid power system, and with 48V mild hybrid power system, (abbreviation 48V is light
Mixing system) automobile for be illustrated, the basic thought of the light mixing system of 48V is by the way that the normal voltage of vehicular equipment is mentioned
Height arrives 48V, drives more powerful onboard system, realizes and preferably integrates with other systems on vehicle.As shown in Figure 1, of the invention
The 48V mild hybrid power system that embodiment provides, core component include 48V the battery, (starting motor/power generation of 48V motor
Machine), the voltage inverter of a set of 48V/12V (DC-DC) and corresponding control module.Wherein 48V battery is mostly lithium ion
Battery not only supports quick charge capability, and energy density is big, can efficiently control volume, and reduction occupies interior preciousness
Arrangement space.In addition, remaining the voltage inverter of 48V/12V in system, the electronics of interior some low-power requirements is allowed to set
The standby direct current for continuing to use 12V, reduces cost.And the powerful equipment such as compressor of air conditioner, starting motor then uses 48V electric
The direct current of 48V, by the DC/AC inverter of 48V, is become alternating current and carrys out adaptation of motor by pressure.
The largest benefit of the light mixing system of 48V is exactly to the optimization under the operating conditions such as engine start and stop, starting, brake, real
Existing oil-saving discharging-reducing, meanwhile, the light mixing system vehicle of 48V has Brake energy recovery, slides energy regenerating, low speed torque power-assisted function
Can, vehicle control device or ECU (Electronic Control Unit, electronic control unit) can be according to vehicles itself
The recycling and adjusting of operating condition progress energy.
And automobile energy control method provided in an embodiment of the present invention makes vehicle control device on the basis of above-mentioned Fig. 1
(or ECU) introduces the cartographic information of navigation system, and then knows the traffic information of the following several distances of vehicle, realizes actively
It adjusts Brake energy recovery, slide energy regenerating, low speed torque power-assisted strategy.A kind of automobile energy controlling party as shown in Figure 2
The flow chart of method, this method can be applied to the vehicle control device of hybrid power system, comprising the following steps:
Step S202, the traffic information in real-time monitoring current vehicle driving direction；
Step S204 is searched and the consistent energy allocation strategy of traffic information in pre-stored policy database；
Step S206 is controlled according to energy of the energy allocation strategy to current vehicle.
When specific implementation, above-mentioned vehicle control device is connect with navigation system, introduces the cartographic information of current vehicle traveling, because
This, the real-time monitoring process of above-mentioned steps S202 may include: by navigation system real-time monitoring current vehicle driving direction
Traffic information, wherein traffic information includes: road information and/or vehicle congestion information；Road information include slope road information,
Level road information and detour information；Vehicle congestion information includes: unimpeded section, alternatively, congested link.
In view of under different traffic informations, driver can take different mobility operations, so that Brake energy recovery, sliding
All there is different degrees of change in energy regenerating and low speed torque power-assisted, need different energy allocation strategies, therefore, scheming
On the basis of automobile energy control method shown in 2, the embodiment of the invention also provides another automobile energy control methods, such as
The flow chart of another kind automobile energy control method shown in Fig. 3, comprising the following steps:
Step S302 passes through the traffic information in navigation system real-time monitoring current vehicle driving direction；
Wherein, traffic information includes: road information and/or vehicle congestion information；Road information includes slope road information, level road
Information and detour information；Vehicle congestion information includes: unimpeded section, alternatively, congested link.
Further, slope road information further includes upward trend and downhill path, and detour information further includes left-hand bend, turns right, and,
Crossroad, T-shaped road junction or junctions etc..
Step S304 judges whether current traffic information is detour information and/or congested link；If so, executing step
S306；If not, executing step S308；
Step S306 searches the first energy allocation strategy in pre-stored policy database；
That is, being looked into pre-stored policy database when above-mentioned traffic information is detour information and/or congested link
Look for the first energy allocation strategy.
Step S308 judges whether current traffic information is slope road information；If so, executing step S310；If not, holding
Row step S312；
Step S310 searches the second energy allocation strategy in pre-stored policy database；
That is, searching the second energy point in pre-stored policy database when above-mentioned traffic information is slope road information
With strategy.
Step S312 judges whether current traffic information is level road information, and is unimpeded section；If so, executing step
S314；If not, return step S302.
Step S314 searches third energy allocation strategy in pre-stored policy database；
That is, when above-mentioned traffic information be level road information, and be unimpeded section when, looked into pre-stored policy database
Look for third energy allocation strategy；Wherein, traffic information is the traffic information in the distance to a declared goal in current vehicle driving direction, such as
2km or 3km etc., to know the traffic information in current vehicle driving direction in advance.
Step S316 is controlled according to energy of the energy allocation strategy to current vehicle.
Specifically, when above-mentioned energy allocation strategy is the first energy allocation strategy, the control process of above-mentioned steps S316
Are as follows: the first driving signal is sent to motor, driving motor charges a battery.For the scene shown in Fig. 1, when navigation system is known
When having crossroad or traffic congestion in front of being clipped at several kilometers, vehicle slows down, or parking waiting, at this point, vehicle
Controller (or ECU) can control 48V motor and increase to the rechargeable energy of 48V battery, be next start-stop operating condition and low
Fast power-assisted operating condition carries out sufficient energy reserve.
Further, when above-mentioned energy allocation strategy be the second energy allocation strategy, and when scarp slope road be upward trend when, it is above-mentioned
The control process of step S316 are as follows: whether judgement is greater than uphill gradient threshold value when the gradient of the upward trend on scarp slope road；If so, to
Motor sends the first driving signal, and driving motor charges a battery.For the scene shown in Fig. 1, when navigation system recognizes
When being upward slope road conditions after several kilometers in front, at this point, vehicle control device (or ECU) can control 48V motor to 48V battery into
Row charging, increases the energy of 48V battery, and sufficient energy reserve is carried out for next upward slope road conditions, so that when going up a slope,
The booster torquemoment of expanded motor improves fuel economy and driving.
In order to avoid above-mentioned battery occurs overcharging phenomenon, accumulator property is caused to decline or the phenomenon that service life reduction,
The above method further include: the charge parameter in real-time monitoring charging process, wherein charge parameter includes the electricity of battery, stores
Battery temperature and motor temperature；When parameter any in charge parameter is more than pre-set parameter threshold, stop to electric power storage
Pond is charged, alternatively, the phenomenon that being transferred to the state of floating charge, battery is avoided to overcharge.
Further, when above-mentioned energy allocation strategy be the second energy allocation strategy, and when scarp slope road be downhill path when, it is above-mentioned
The control process of step S316 are as follows: whether judgement is greater than downward grades threshold value when the gradient in the downhill path on scarp slope road；If so, to
Motor sends the second driving signal, and driving motor increases torque according to preset torque gear, while sending third to engine
Driving signal, driving engine reduce torque according to preset torque gear.Typically for hybrid power system, identical throttle
Under total torque be the sum of motor booster torquemoment and engine torque, at this point, the booster torquemoment of expanded motor, can be such that motor helps
Contribution of the power torque in total torque increases, while consuming the electricity of battery, so that when the vehicle goes downhill, can increase system
Energy recycling, or the torque of energy regenerating is slided, it charges to battery, to reach the efficiency of energy regenerating.
For the scene shown in Fig. 1, when after navigation system recognizes several kilometers in front being descending road conditions, at this point, vehicle
Controller (or ECU) can control 48V motor and release energy in advance, increase booster torquemoment, while reducing engine torque,
The energy of a part of battery is consumed, is ready for next descending road conditions, energy can be slided at that time with expanded motor
Recycle torque, thus the carry out energy regenerating more efficient in descending road conditions, to charge the battery, with improve fuel oil economy and
Driving.
Further, when above-mentioned energy allocation strategy is third energy allocation strategy, the control process of above-mentioned steps S316
Are as follows: monitor the information about power of battery；When the electricity that electric quantity signal is shown is lower than pre-set minimum power threshold, activation
Energy recycling system charges to battery；When the electricity that electric quantity signal is shown is higher than pre-set highest power threshold
When, stopping charges to battery.Such as, vehicle in the process of moving, when navigation system recognizes nothing in several kilometers in front
Crossroad, alternatively, when traffic congestion situation, at this point, the information about power of battery can be monitored in real time in vehicle control, if display
When electricity is between minimum power threshold and highest power threshold, vehicle control device maintains existing charging strategy, keeps 48V electricity
Pond electric quantity balancing.If low battery, vehicle control device activation energy recovery system, progress energy regenerating can be given in time
Battery charging, avoids battery from the too low phenomenon of energy occur, also helps the cruising ability for improving hybrid vehicle.
The control process of above-mentioned steps S316 is for vehicle control device based on navigation information to the traveling shape of hybrid vehicle
State carries out the control process of pro-active intervention, can be intended to the mobility operation of look-ahead driver, rationally trigger and control mixed
Conjunction Powertrain Vehicle engine shutdown is slided and energy recovery function, realizes optimal fuel-economizing and ability recovering effect.In reality
Border is in use, driver can also carry out autonomous control, for example, when above-mentioned navigation system monitors current vehicle driving direction
On traffic information after, traffic information can be broadcast to driver, driver receives road conditions by way of voice broadcast
After information, current vehicle can also be controlled by trampling brake pedal or gas pedal.
Therefore, the above method further include: the brake pedal opening amount signal of vehicle control device real-time monitoring current vehicle, and oil
Door pedal opening signal executes driver and drives behaviour accordingly according to brake pedal opening amount signal and gas pedal opening amount signal
Make.
A kind of automobile energy control method provided in an embodiment of the present invention, by real-time monitoring current vehicle driving direction
Traffic information；And it is searched and the consistent energy allocation strategy of traffic information in pre-stored policy database；It being capable of root
It is controlled according to energy of the energy allocation strategy to current vehicle, above by the traffic information being introduced into vehicle travel process
Mode, so that hybrid vehicle is under the premise of original Brake energy recovery, sliding energy regenerating, low speed torque power-assisted strategy,
It can judge the travel situations in the following distance to a declared goal of vehicle, active control is carried out to the energy of automobile, not only improves mixing
The control flexibility of power vehicle, it helps so that the oil-saving discharging-reducing of vehicle is optimal effect, improves the efficiency of energy regenerating,
And then promote the comfort driven.
On the basis of the above embodiments, the embodiment of the invention also provides a kind of automobile energy control device, the devices
It is set to the vehicle control device of hybrid power system, a kind of structural schematic diagram of automobile energy control device as shown in Figure 4 should
Device includes:
Monitoring modular 40, for the traffic information in real-time monitoring current vehicle driving direction；
Searching module 42 distributes plan with the consistent energy of traffic information for searching in pre-stored policy database
Slightly；
Control module 44, for being controlled according to energy of the energy allocation strategy to current vehicle.
When specific implementation, above-mentioned vehicle control device is connect with navigation system；Based on this, above-mentioned monitoring modular 40 is used for: logical
Cross the traffic information in navigation system real-time monitoring current vehicle driving direction, wherein traffic information include: road information and/
Or vehicle congestion information；Road information includes slope road information, level road information and detour information；Vehicle congestion information includes: unimpeded
Section, alternatively, congested link.
Further, above-mentioned searching module 42 is used for: when traffic information is detour information and/or congested link, preparatory
The first energy allocation strategy is searched in the policy database of storage；When traffic information is slope road information, in pre-stored plan
Slightly the second energy allocation strategy is searched in database；When traffic information be level road information, and be unimpeded section when, be stored in advance
Policy database in search third energy allocation strategy；Wherein, above-mentioned traffic information is the finger in current vehicle driving direction
Traffic information in set a distance.
Automobile energy control device provided in an embodiment of the present invention, with automobile energy control method provided by the above embodiment
Technical characteristic having the same reaches identical technical effect so also can solve identical technical problem.
The embodiment of the invention also provides a kind of automobile energy control system, a kind of automobile energy control as shown in Figure 5
The structural block diagram of system, including vehicle control device 500, and the navigation system 501 and dynamical system that are connect with vehicle control device
502；
Wherein, the 48V motor in schematic diagram of a scenario shown in FIG. 1,48V battery, DC-DC module, 12V battery, Yi Jifa
The structures such as motivation, clutch, gearbox, main reducing gear may be constructed above-mentioned dynamical system.
Specifically, vehicle control device includes memory and processor, and memory supports processor to execute for storing
The program of automobile energy control method described in embodiment is stated, processor is configurable for executing the journey stored in memory
Sequence.
Referring to Fig. 6, the embodiment of the present invention also provides a kind of structural block diagram of vehicle control device, comprising: processor 600 is deposited
Reservoir 601, bus 602 and communication interface 603, the processor 600, communication interface 603 and memory 601 pass through bus 602
Connection；Processor 600 is for executing the executable module stored in memory 601, such as computer program.
Wherein, memory 601 may include high-speed random access memory (RAM, Random Access Memory),
It may further include non-labile memory (non-volatile memory), for example, at least a magnetic disk storage.By extremely
A few communication interface 603 (can be wired or wireless) is realized logical between the system network element and at least one other network element
Letter connection, can be used internet, wide area network, local network, Metropolitan Area Network (MAN) etc..
Bus 602 can be isa bus, pci bus or eisa bus etc..The bus can be divided into address bus, number
According to bus, control bus etc..Only to be indicated with a four-headed arrow in Fig. 6, it is not intended that an only bus convenient for indicating
Or a type of bus.
Wherein, memory 601 is for storing program, and the processor 600 executes the journey after receiving and executing instruction
Sequence, method performed by the automobile energy control device that aforementioned any embodiment of the embodiment of the present invention discloses can be applied to handle
In device 600, or realized by processor 600.
Processor 600 may be a kind of IC chip, the processing capacity with signal.It is above-mentioned during realization
Each step of method can be completed by the integrated logic circuit of the hardware in processor 600 or the instruction of software form.On
The processor 600 stated can be general processor, including central processing unit (Central Processing Unit, abbreviation
CPU), network processing unit (Network Processor, abbreviation NP) etc.；It can also be digital signal processor (Digital
Signal Processing, abbreviation DSP), specific integrated circuit (Application Specific Integrated
Circuit, abbreviation ASIC), ready-made programmable gate array (Field-Programmable Gate Array, abbreviation FPGA) or
Person other programmable logic device, discrete gate or transistor logic, discrete hardware components.It may be implemented or execute sheet
Disclosed each method, step and logic diagram in inventive embodiments.General processor can be microprocessor or the processing
Device is also possible to any conventional processor etc..Software module can be located at random access memory, and flash memory, read-only memory can be compiled
In the storage medium of this fields such as journey read-only memory or electrically erasable programmable memory, register maturation.The storage is situated between
The step of matter is located at memory 601, and processor 600 reads the information in memory 601, completes the above method in conjunction with its hardware.
The computer program product of automobile energy control method, apparatus and system provided by the embodiment of the present invention, including
The computer readable storage medium of program code is stored, the instruction that said program code includes can be used for executing previous methods reality
Method described in example is applied, 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
It with the specific work process of device, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
Finally, it should be noted that above embodiments, only a specific embodiment of the invention, to illustrate skill of the invention
Art scheme, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to the present invention into
Go detailed description, it should be understood by those skilled in the art that: anyone skilled in the art takes off in the present invention
In the technical scope of dew, it can still modify to technical solution documented by previous embodiment or can readily occur in change
Change or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make relevant art
Scheme essence be detached from technical solution of the embodiment of the present invention spirit and scope, should all cover protection scope of the present invention it
It is interior.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (7)
1. a kind of automobile energy control method, which is characterized in that the method is applied to the vehicle control device of hybrid power system,
The described method includes:
Traffic information in real-time monitoring current vehicle driving direction；
It is searched and the consistent energy allocation strategy of the traffic information in pre-stored policy database；
The energy of the current vehicle is controlled according to the energy allocation strategy；
The vehicle control device is connect with navigation system；
The step of traffic information in the real-time monitoring current vehicle driving direction includes:
Pass through the traffic information in the navigation system real-time monitoring current vehicle driving direction, wherein the traffic information packet
It includes: road information and/or vehicle congestion information；The road information includes slope road information, level road information and detour information；It is described
Vehicle congestion information includes: unimpeded section, alternatively, congested link；
Described search in pre-stored policy database with the consistent energy allocation strategy of the traffic information include:
When the traffic information is detour information and/or congested link, first is searched in pre-stored policy database
Energy allocation strategy；
When the traffic information is slope road information, the second energy allocation strategy is searched in pre-stored policy database；
When the traffic information be level road information, and be unimpeded section when, search third in pre-stored policy database
Energy allocation strategy；
Wherein, the traffic information is the traffic information in the distance to a declared goal in current vehicle driving direction；
When the energy allocation strategy is the second energy allocation strategy, and the navigation system of the current vehicle recognizes described work as
In vehicle in front driving direction after several kilometers for upward trend when, it is described according to the energy allocation strategy to the current vehicle
The step of energy is controlled include:
Judge whether the gradient of the upward trend is greater than uphill gradient threshold value；
If so, sending the first driving signal to motor, the motor is driven to charge a battery.
2. the method according to claim 1, wherein when the energy allocation strategy is the first energy allocation strategy
When, described the step of being controlled according to the energy allocation strategy the energy of the current vehicle includes:
The first driving signal is sent to motor, the motor is driven to charge a battery.
3. the method according to claim 1, wherein when the energy allocation strategy is that the second energy distributes plan
Slightly, when and the navigation system of the current vehicle is recognized in the current vehicle driving direction after several kilometers as downhill path,
It is described according to energy of the energy allocation strategy to the current vehicle carry out control include:
Judge whether the gradient in the downhill path is greater than downward grades threshold value；
If so, sending the second driving signal to motor, the motor is driven to increase torque according to preset torque gear, simultaneously
Third driving signal is sent to engine, the engine is driven to reduce torque according to preset torque gear.
4. method according to claim 1 or 2, which is characterized in that the method also includes:
Charge parameter in real-time monitoring charging process, wherein the charge parameter includes the electricity of the battery, battery
Temperature and motor temperature；
When parameter any in the charge parameter is more than pre-set parameter threshold, the battery is filled in stopping
Electricity.
5. the method according to claim 1, wherein when the energy allocation strategy is third energy allocation strategy
When, described the step of being controlled according to the energy allocation strategy the energy of the current vehicle includes:
Monitor the information about power of battery；
When the electricity that the electric quantity signal is shown is lower than pre-set minimum power threshold, activation energy recovery system is right
The battery charges；
When the electricity that the electric quantity signal is shown is higher than pre-set highest power threshold, stop carrying out the battery
Charging.
6. a kind of automobile energy control device, which is characterized in that described device is set to the vehicle control device of hybrid power system,
Described device includes:
Monitoring modular, for the traffic information in real-time monitoring current vehicle driving direction；
Searching module distributes plan with the consistent energy of the traffic information for searching in pre-stored policy database
Slightly；
Control module, for being controlled according to the energy allocation strategy the energy of the current vehicle；
The vehicle control device is connect with navigation system；
The monitoring modular is used for:
Pass through the traffic information in the navigation system real-time monitoring current vehicle driving direction, wherein the traffic information packet
It includes: road information and/or vehicle congestion information；The road information includes slope road information, level road information and detour information；It is described
Vehicle congestion information includes: unimpeded section, alternatively, congested link；
The searching module is used for:
When the traffic information is detour information and/or congested link, first is searched in pre-stored policy database
Energy allocation strategy；
When the traffic information is slope road information, the second energy allocation strategy is searched in pre-stored policy database；
When the traffic information be level road information, and be unimpeded section when, search third in pre-stored policy database
Energy allocation strategy；
Wherein, the traffic information is the traffic information in the distance to a declared goal in current vehicle driving direction；
When the energy allocation strategy is the second energy allocation strategy, and the navigation system of the current vehicle recognizes described work as
When being upward trend after several kilometers in vehicle in front driving direction, the control module is used for:
Judge whether the gradient of the upward trend is greater than uphill gradient threshold value；
If so, sending the first driving signal to motor, the motor is driven to charge a battery.
7. a kind of automobile energy control system, which is characterized in that connect including vehicle control device, and with the vehicle control device
Navigation system and dynamical system；
The vehicle control device includes memory and processor, and the memory supports processor perform claim to want for storing
The program of any one of 1 to 5 the method is sought, the processor is configured to for executing the program stored in the memory.
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| CN109353329A (en) * | 2018-09-28 | 2019-02-19 | 潍柴动力股份有限公司 | A kind of control method and device of hybrid vehicle |
| CN109782187A (en) * | 2019-01-22 | 2019-05-21 | 中国第一汽车股份有限公司 | 48V DC/DC control system and method based on road conditions detection |
| CN110040128A (en) * | 2019-05-07 | 2019-07-23 | 上海爱驱汽车技术有限公司 | Hybrid power energy supply control method, apparatus and system |
| CN111942218B (en) * | 2019-05-17 | 2024-01-30 | 株式会社日立制作所 | Current distribution device and current distribution method for vehicle composite battery |
| CN112622630A (en) * | 2019-09-24 | 2021-04-09 | 中车时代电动汽车股份有限公司 | Motor control method and device for electric automobile |
| CN113008253A (en) * | 2019-12-18 | 2021-06-22 | 沈阳美行科技有限公司 | Hybrid vehicle running method, device and storage medium |
| CN111143940B (en) * | 2019-12-19 | 2023-10-27 | 宁波吉利汽车研究开发有限公司 | Triggering method and device for vehicle sliding energy recovery, electronic equipment and storage medium |
| CN111855227B (en) * | 2020-06-23 | 2022-10-04 | 东风柳州汽车有限公司 | 48V hybrid power system bench test method, device and storage medium |
| CN113915011A (en) * | 2020-07-10 | 2022-01-11 | 厦门雅迅网络股份有限公司 | Predictive EGR control method, terminal equipment and storage medium |
| CN113997792A (en) * | 2020-07-28 | 2022-02-01 | 长城汽车股份有限公司 | Adaptive control method and device for energy recovery intensity of vehicle |
| CN113044021B (en) * | 2021-04-28 | 2022-08-30 | 东风汽车集团股份有限公司 | Fuel-saving system based on road scene and driving intention and control method |
| CN113299099A (en) * | 2021-05-21 | 2021-08-24 | 广州小鹏汽车科技有限公司 | Driving assisting method and device |
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| DE102011056168A1 (en) * | 2011-12-08 | 2013-06-13 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Control device for all-terrain vehicle, has component e.g. all-wheel coordinator, for determining upper limit and lower limit for momentary portion of axle, and another component for distributing drive moment within limits between axles |
| JP5967051B2 (en) * | 2013-10-21 | 2016-08-10 | トヨタ自動車株式会社 | Movement support device, movement support method, and driving support system |
| JP2017024571A (en) * | 2015-07-22 | 2017-02-02 | トヨタ自動車株式会社 | Hybrid-vehicular control apparatus |
| CN105292111B (en) * | 2015-10-20 | 2021-05-07 | 湖南南车时代电动汽车股份有限公司 | Flameout method and system for plug-in electric vehicle engine |
| CN107226083B (en) * | 2016-03-25 | 2019-08-06 | 上海汽车集团股份有限公司 | A kind of power control system of hybrid vehicle |
| KR101724505B1 (en) * | 2016-03-29 | 2017-04-07 | 현대자동차 주식회사 | Apparatus and method for shift control of vehicle |
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