CN108556838A - Automobile energy control method, apparatus and system - Google Patents
Automobile energy control method, apparatus and system Download PDFInfo
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- CN108556838A CN108556838A CN201810256653.4A CN201810256653A CN108556838A CN 108556838 A CN108556838 A CN 108556838A CN 201810256653 A CN201810256653 A CN 201810256653A CN 108556838 A CN108556838 A CN 108556838A
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- 238000000034 method Methods 0.000 title claims abstract description 65
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 15
- 238000011084 recovery Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims description 15
- 230000004913 activation Effects 0.000 claims description 4
- 238000005183 dynamical system Methods 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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
- 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 of positioning data, e.g. GPS [Global Positioning System] data
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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 automobile energy control method, apparatus and systems, are related to automobile technical field, and this method is applied to the vehicle control device of hybrid power system, including：Traffic information in monitoring current vehicle travel direction in real time；The energy allocation strategy consistent with traffic information is searched in pre-stored policy database；The energy of current vehicle is controlled according to energy allocation strategy.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 original Brake energy recovery, slide energy regenerating, low speed torque power-assisted strategy under the premise of, 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 make 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 technology
With becoming increasingly popular for hybrid vehicle, also increasing, the hybrid power of the owning amount of hybrid vehicle
The energy saving and continuation of the journey problem of automobile is by the very big attention of domestic and international automotive community.For environmental protection 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 and effectively reduces discharge and saving
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, and so that the oil-saving discharging-reducing effect of vehicle is extremely difficult to optimal effectiveness, is led to the less efficient of energy regenerating, also unfavorable
In the comfort for promoting driving.
Invention content
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
It is relatively fixed in the energy regenerating ratio of energy-recuperation system, leads to the less efficient technical problem of energy regenerating.
In a first aspect, an embodiment of the present invention provides a kind of automobile energy control method, this method is applied to hybrid power
The vehicle control device of system, including：Traffic information in monitoring current vehicle travel direction in real time；In pre-stored strategy number
According to the energy allocation strategy consistent with traffic information of lookup in library；The energy of current vehicle is controlled according to energy allocation strategy
System.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiments of first aspect, wherein on
Vehicle control device is stated to connect with navigation system；In real time monitoring current vehicle travel direction on traffic information the step of include：It is logical
It crosses navigation system and monitors traffic information in current vehicle travel direction in real time, 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：It is unimpeded
Section, alternatively, congested link.
The possible embodiment of with reference to first aspect the first, an embodiment of the present invention provides second of first aspect
Possible embodiment, wherein above-mentioned that the energy distribution consistent with traffic information is searched in pre-stored policy database
Strategy includes：When traffic information is detour information and/or congested link, first is searched in pre-stored policy database
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 for 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 travel direction.
Second of possible embodiment with reference to first aspect, an embodiment of the present 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 include：The first drive signal is sent to motor, driving motor charges to the accumulator.
Second of possible embodiment with reference to first aspect, an embodiment of the present 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 being controlled the energy of current vehicle according to energy allocation strategy includes：Judge when the slope of the upward trend on scarp slope road
Whether degree is more than uphill gradient threshold value；If so, sending the first drive signal to motor, driving motor is filled to the accumulator
Electricity.
Second of possible embodiment with reference to first aspect, an embodiment of the present 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
It states that the energy of current vehicle control according to energy allocation strategy and includes：Judge when scarp slope road downhill path the gradient whether
More than downward grades threshold value；If so, sending the second drive signal to motor, driving motor increases according to preset torque gear
Torque, while third drive signal is sent to engine, driving engine reduces torque according to preset torque gear.
Third with reference to first aspect or the 4th kind of possible embodiment, an embodiment of the present invention provides first aspects
6th kind of possible embodiment, wherein the above method further includes：Charge parameter in monitoring charging process in real time, wherein fill
Electrical parameter includes the electricity, battery temp and motor temperature of accumulator；When any parameter is more than to set in advance in charge parameter
When the parameter threshold set, stopping charges to accumulator.
Second of possible embodiment with reference to first aspect, an embodiment of the present 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 include：Monitor the information about power of accumulator；When the electricity that electric quantity signal is shown is low
When pre-set minimum power threshold, activation energy recovery system charges to accumulator；It is shown when electric quantity signal
When electricity is higher than pre-set highest power threshold, stopping charges to accumulator.
Second aspect, the embodiment of the present invention additionally provide a kind of automobile energy control device, and it is dynamic which is set to mixing
The vehicle control device of Force system, including：Monitoring modular, for monitoring the traffic information in current vehicle travel direction in real time；It looks into
Module is looked for, for searching the energy allocation strategy consistent with traffic information in pre-stored policy database；Control module,
For being controlled the energy of current vehicle according to energy allocation strategy.
The third aspect, the embodiment of the present invention additionally provide a kind of automobile energy control system, 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 present invention additionally provide a kind of computer storage media, for being stored as second aspect institute
State the computer software instructions used in device.
The embodiment of the present invention brings following advantageous effect：
A kind of automobile energy control method provided in an embodiment of the present invention, apparatus and system, by monitoring current vehicle in real time
Traffic information in travel direction；And the energy distribution consistent with traffic information is searched in pre-stored policy database
Strategy；The energy of current vehicle can be controlled according to energy allocation strategy, 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 purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
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 are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those skilled in the art, without creative efforts,
Other drawings may also be obtained 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 structure diagram of automobile energy control system provided in an embodiment of the present invention；
Fig. 6 is a kind of structure diagram of vehicle control device provided in an embodiment of the present invention.
Specific implementation mode
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, relative to traditional power car, the automobile of hybrid power system, especially 48V gently mix power vehicle, tool
There is Brake energy recovery, slide energy regenerating, low speed torque assist function, but the energy that energy regenerating ratio, power-assisted use
Ratio is relatively fixed, and is to be adjusted according to the operating mode of vehicle itself, is not considered real-time traffic information, makes the section of vehicle
Oily emission reduction effect is extremely difficult to optimize.
Based on this, an embodiment of the present invention provides a kind of automobile energy control method, apparatus and systems, 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 ease of 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 systems, (abbreviation 48V is light
Mixing system) automobile for illustrate, the basic thought of the light mixing systems of 48V is by the way that the normal voltage of vehicular equipment is carried
Height arrives 48V, drives more powerful onboard system, realizes and is preferably integrated with other systems on vehicle.As shown in Figure 1, of the invention
The 48V mild hybrid power systems that embodiment provides, core component include 48V the batteries, (starting motor/power generation of 48V motors
Machine), the voltage inverter of a set of 48V/12V (DC-DC) and corresponding control module.Wherein 48V batteries are 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 some interior low-power requirements is allowed to set
The standby direct current for being continuing with 12V, reduces cost.And the powerful equipment such as compressor of air conditioner, starting motor then uses 48V electricity
The direct current of 48V, by the DC/AC inverters of 48V, is become alternating current and carrys out adaptation of motor by pressure.
The largest benefit of the light mixing systems of 48V is exactly to the optimization under the operating modes such as engine start and stop, starting, brake, real
Existing oil-saving discharging-reducing, meanwhile, the light mixing system vehicles of 48V have Brake energy recovery, slide energy regenerating, low speed torque power-assisted work(
Can, vehicle control device or ECU (Electronic Control Unit, electronic control unit) can be according to vehicles itself
Operating mode carries out the recycling and adjusting of 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, include the following steps：
Step S202 monitors the traffic information in current vehicle travel direction in real time；
Step S204 searches the energy allocation strategy consistent with traffic information in pre-stored policy database；
Step S206 controls the energy of current vehicle according to energy allocation strategy.
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：It is monitored in real time in current vehicle travel direction by navigation system
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 slides
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 present invention additionally provides another automobile energy control method, such as
The flow chart of another kind automobile energy control method shown in Fig. 3, includes the following steps：
Step S302 monitors the traffic information in current vehicle travel direction by navigation system in real time；
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, when above-mentioned traffic information is detour information and/or congested link, looked into pre-stored policy database
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, when above-mentioned traffic information is slope road information, the second energy point is searched in pre-stored policy database
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 to 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 for 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 travel direction, such as
2km or 3km etc., to know the traffic information in current vehicle travel direction in advance.
Step S316 controls the energy of current vehicle according to energy allocation strategy.
Specifically, when above-mentioned energy allocation strategy is the first energy allocation strategy, the control process of above-mentioned steps S316
For：The first drive signal is sent to motor, driving motor charges a battery.By taking scene shown in Fig. 1 as an example, 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 motors and increase to the rechargeable energy of 48V batteries, be next start-stop operating mode and low
Fast power-assisted operating mode 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 is：Judge whether the gradient when the upward trend on scarp slope road is more than uphill gradient threshold value；If so, to
Motor sends the first drive signal, and driving motor charges a battery.By taking scene shown in Fig. 1 as an example, 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 motors to 48V batteries into
Row charging, makes the energy of 48V batteries increase, 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 accumulator occurs overcharging phenomenon, accumulator property is caused to decline or the phenomenon that service life reduction,
The above method further includes：Charge parameter in monitoring charging process in real time, wherein charge parameter includes the electricity of accumulator, stores
Battery temperature and motor temperature；When any parameter is more than pre-set parameter threshold in charge parameter, stop to electric power storage
Pond is charged, alternatively, the phenomenon that being transferred to the state of floating charge, accumulator 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 is：Judge whether the gradient when the downhill path on scarp slope road is more than downward grades threshold value；If so, to
Motor sends the second drive signal, and driving motor increases torque according to preset torque gear, while sending third to engine
Drive 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 accumulator so that in vehicle descending, can increase system
Energy recycles, or slides the torque of energy regenerating, charges to accumulator, to reach the efficiency of energy regenerating.
By taking scene shown in Fig. 1 as an example, when after navigation system recognizes several kilometers in front being descending road conditions, at this point, vehicle
Controller (or ECU) can control 48V motors and release energy in advance, increase booster torquemoment, while reducing engine torque,
The energy of a part of accumulator is consumed, is ready for next descending road conditions, can slide energy with expanded motor at that time
Recycle torque, to 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
For：Monitor the information about power of accumulator；When the electricity that electric quantity signal is shown is less than pre-set minimum power threshold, activation
Energy-recuperation system charges to accumulator；When the electricity that electric quantity signal is shown is higher than pre-set highest power threshold
When, stopping charges to accumulator.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, vehicle control can monitor the information about power of accumulator in real time, 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
Accumulator charges, and accumulator is avoided 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, and the mobility operation of look-ahead driver can be given to be intended to, rationally trigger and control mixed
Conjunction Powertrain Vehicle engine shutdown is slided and energy recovery function, realizes best 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 travel 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 includes：Vehicle control device monitors the brake pedal opening amount signal of current vehicle, and oil in real time
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 monitoring in real time in current vehicle travel direction
Traffic information；And the energy allocation strategy consistent with traffic information is searched in pre-stored policy database；It being capable of root
The energy of current vehicle is controlled according to energy allocation strategy, above by the traffic information being introduced into vehicle travel process
Mode so that hybrid vehicle original Brake energy recovery, slide energy regenerating, low speed torque power-assisted strategy under the premise of,
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 present invention additionally provides a kind of automobile energy control device, the device
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 monitoring the traffic information in current vehicle travel direction in real time；
Searching module 42 distributes plan for searching the energy consistent with traffic information in pre-stored policy database
Slightly；
Control module 44, for being controlled the energy of current vehicle according to energy allocation strategy.
When specific implementation, above-mentioned vehicle control device is connect with navigation system；Based on this, above-mentioned monitoring modular 40 is used for：It is logical
It crosses navigation system and monitors traffic information in current vehicle travel direction in real time, 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：It is unimpeded
Section, alternatively, congested link.
Further, above-mentioned searching module 42 is used for：When traffic information is detour information and/or congested link, advance
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 for unimpeded section when, prestoring
Policy database in search third energy allocation strategy；Wherein, above-mentioned traffic information is the finger in current vehicle travel direction
Traffic information in set a distance.
Automobile energy control device provided in an embodiment of the present invention, the automobile energy control method provided with above-described embodiment
Technical characteristic having the same reaches identical technique effect so can also solve identical technical problem.
The embodiment of the present invention additionally provides a kind of automobile energy control system, a kind of automobile energy as shown in Figure 5 control
The structure 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 motors in schematic diagram of a scenario shown in FIG. 1,48V batteries, DC-DC module, 12V batteries, 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 the 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 structure diagram of vehicle control device, including：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),
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 use 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, controlling bus etc..For ease of indicating, only indicated with a four-headed arrow in Fig. 6, it is not intended that an only bus
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, the method performed by 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), application-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 can also be 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, the above method is completed in conjunction with its hardware.
The computer program product of automobile energy control method, apparatus and system that the embodiment of the present invention is provided, 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 real
The 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 read/write memory medium.Based on this understanding, technical scheme 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 expressed 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
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：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 disc or CD.
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 example, only specific implementation mode of the invention, to illustrate the skill of the present 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：Any one skilled in the art takes off in the present invention
In the technical scope of dew, it can still modify to the technical solution recorded in 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 (10)
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 method includes：
Traffic information in monitoring current vehicle travel direction in real time；
The energy allocation strategy consistent with the traffic information is searched in pre-stored policy database；
The energy of the current vehicle is controlled according to the energy allocation strategy.
2. according to the method described in claim 1, it is characterized in that, the vehicle control device is connect with navigation system；
It is described it is real-time monitoring current vehicle travel direction on traffic information the step of include：
The traffic information in current vehicle travel direction is monitored in real time by the navigation system, 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.
3. according to the method described in claim 2, it is characterized in that, lookup and the institute in pre-stored policy database
Stating the consistent energy allocation strategy of traffic information includes：
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 for 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 travel direction.
4. according to the method described in claim 3, it is characterized in that, when the energy allocation strategy is the first energy allocation strategy
When, described the step of being controlled the energy of the current vehicle according to the energy allocation strategy includes：
The first drive signal is sent to motor, the motor is driven to charge a battery.
5. according to the method described in claim 3, it is characterized in that, when the energy allocation strategy is that the second energy distributes plan
Slightly, described that the energy of the current vehicle is controlled according to the energy allocation strategy and when scarp slope road is upward trend
The step of include：
Judge whether the gradient when the upward trend on scarp slope road is more than uphill gradient threshold value；
If so, sending the first drive signal to motor, the motor is driven to charge a battery.
6. according to the method described in claim 3, it is characterized in that, when the energy allocation strategy is that the second energy distributes plan
Slightly, described that the energy of the current vehicle is controlled according to the energy allocation strategy and when scarp slope road is downhill path
Including：
Judge whether the gradient when the downhill path on scarp slope road is more than downward grades threshold value；
If so, sending the second drive signal to motor, the motor is driven to increase torque according to preset torque gear, simultaneously
Third drive signal is sent to engine, the engine is driven to reduce torque according to preset torque gear.
7. method according to claim 4 or 5, which is characterized in that the method further includes：
Charge parameter in monitoring charging process in real time, wherein the charge parameter includes the electricity of the accumulator, accumulator
Temperature and motor temperature；
When any parameter is more than pre-set parameter threshold in the charge parameter, the accumulator is filled in stopping
Electricity.
8. according to the method described in claim 3, it is characterized in that, when the energy allocation strategy is third energy allocation strategy
When, described the step of being controlled the energy of the current vehicle according to the energy allocation strategy includes：
Monitor the information about power of accumulator；
When the electricity that the electric quantity signal is shown is less than pre-set minimum power threshold, activation energy recovery system is right
The accumulator charges；
When the electricity that the electric quantity signal is shown is higher than pre-set highest power threshold, stop carrying out the accumulator
Charging.
9. 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 monitoring the traffic information in current vehicle travel direction in real time；
Searching module distributes plan for searching the energy consistent with the traffic information in pre-stored policy database
Slightly；
Control module, for being controlled the energy of the current vehicle according to the energy allocation strategy.
10. a kind of automobile energy control system, which is characterized in that connect including vehicle control device, and with the vehicle control device
The navigation system and dynamical system connect；
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 8 the method, the processor is asked to be configurable for executing the program stored in the memory.
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