CN109353328A - A kind of hybrid power control method, system and mixer truck - Google Patents
A kind of hybrid power control method, system and mixer truck Download PDFInfo
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- CN109353328A CN109353328A CN201811136727.7A CN201811136727A CN109353328A CN 109353328 A CN109353328 A CN 109353328A CN 201811136727 A CN201811136727 A CN 201811136727A CN 109353328 A CN109353328 A CN 109353328A
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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
- B60W20/15—Control strategies specially adapted for achieving a particular effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
- B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
- B60W2510/244—Charge state
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
This application discloses a kind of hybrid power control method, system and mixer trucks, wherein, the hybrid power control method includes the first control strategy, the second control strategy and third control strategy, the control requirement of hybrid power system of the motor vehicles with the first load in different operating conditions can be met by the hybrid power control method, and under each operating condition, fuel economy of the motor vehicles under different operating conditions is improved by different control strategies.
Description
Technical field
This application involves motor vehicle technology field, more specifically to a kind of hybrid power control method, system and
Mixer truck.
Background technique
In order to reduce the exhaust emissions of motor vehicles, met the tendency of using fuel oil and electric energy as the motor vehicles of hybrid power and
It is raw.
Engine, power battery and at least one drive are generally included in hybrid power system in hybrid moto vehicle
Dynamic motor, when engine is in parallel with the connection type of driving motor, we are called parallel connection type hybrid power system；When starting
Machine is when connecting with the connection type of driving motor, we are called series connection type hybrid power system.Either parallel hybrid power
System or series connection type hybrid power system, in the prior art for the control method of hybrid power system mainly in motor vehicle
Driving cycle, so that motor vehicles is achieved the purpose that in the process of moving fuel-efficient.But when motor vehicles further include it
When his fixed load, since its operating condition is complex, existing hybrid power control method is difficult to meet these motor vehicles
The requirement of various operating conditions.
Summary of the invention
In order to solve the above technical problems, this application provides a kind of hybrid power control method, system and mixer truck, with full
Foot has the control requirement of hybrid power system of the motor vehicles of the first load in different operating conditions, realizes motor vehicle
The purpose fuel-efficient in different operating conditions.
To realize the above-mentioned technical purpose, the embodiment of the present application provides following technical solution:
A kind of hybrid power control method, be applied to motor vehicles, the motor vehicles include power battery, engine,
First driving motor, the second driving motor and the first load, the hybrid power control method include:
When receiving the instruction of the first operating condition, into the first control strategy, first control strategy includes: described in control
Engine operation drives the motor vehicles to travel or be in default operation interval, using engine and/or the first driving motor
The power battery charging drives first loaded work piece using the second driving motor；
When receiving the instruction of the second operating condition, into the second control strategy, second control strategy includes: described in control
Engine operation drives the motor vehicles to travel or be in default operation interval, using engine and/or the first driving motor
The power battery charging controls second driving motor and stops working；
When receiving the instruction of third operating condition, into third control strategy, the third control strategy includes: described in judgement
Whether the remaining capacity of power battery if it is not, then control the engine stop work, utilizes second less than the first preset value
Driving motor receives the first loaded work piece described in the electrical energy drive of the power battery output；If it is, starting described in control
Machine work controls the first driving motor using engine and generates electricity, for the power battery charging and drive in default operation interval
It moves second driving motor and controls first loaded work piece.
Optionally, the control engine operation utilizes engine and/or the first driving electricity in default operation interval
Machine drives the motor vehicles traveling or is the power battery charging, drives the first load work using the second driving motor
Work includes:
Judge whether the remaining capacity of the power battery is greater than the second preset value, if it is, controlling the engine
Work is travelled in default operation interval using motor vehicles described in the engine driving；It is greater than in motor vehicles demand torque
When engine current output torque, motor vehicles row described in the electrical energy drive of power battery is received using first driving motor
It sails, when the motor vehicles demand torque is less than engine current output torque, is received and sent out using first driving motor
The torque of motivation output generates electricity, for the power battery charging；Power battery is received using second driving motor
Electrical energy drive described in the first loaded work piece；
If not, controlling the engine operation in default operation interval, driven using described in the engine driving first
Move electric power generation, the first load work of the second driving motor driving described in the electrical energy drive of the first driving motor output
Make.
Optionally, the control engine operation utilizes engine and/or the first driving electricity in default operation interval
Machine drives the motor vehicles traveling or is the power battery charging, and control second driving motor, which stops working, includes:
Second driving motor is controlled to stop working；
Judge whether the remaining capacity of the power battery is greater than third preset value, if it is, utilizing the engine
The motor vehicles are driven to travel；When motor vehicles demand torque is greater than engine current output torque, described first is utilized
Driving motor receives the traveling of motor vehicles described in the electrical energy drive of power battery, is less than in the motor vehicles demand torque and starts
It when machine current output torque, is generated electricity using the torque that first driving motor receives engine output, to be described dynamic
The charging of power battery；The first loaded work piece described in the electrical energy drive of power battery is received using second driving motor；Described
Three preset values are greater than second preset value；
If not, generated electricity using the first driving motor described in the engine driving, the first driving motor output
Second driving motor described in electrical energy drive drives first loaded work piece.
Optionally, first control strategy, the second control strategy and third control strategy are equal further include:
When the motor vehicles meet kinetic energy recycling condition, the first driving motor of control carries out kinetic energy and is recovered as power electric
Pond charging.
A kind of hybrid power control system, be applied to motor vehicles, the motor vehicles include power battery, engine,
First driving motor, the second driving motor and the first load, the hybrid power control system include:
First condition module, for when receiving the instruction of the first operating condition, into the first control strategy, described first to be controlled
Strategy includes: the control engine operation in default operation interval, using described in engine and/or the driving of the first driving motor
Motor vehicles traveling is the power battery charging, drives first loaded work piece using the second driving motor；
Second condition module, for when receiving the instruction of the second operating condition, into the second control strategy, described second to be controlled
Strategy includes: the control engine operation in default operation interval, using described in engine and/or the driving of the first driving motor
Motor vehicles traveling is the power battery charging, controls second driving motor and stops working；
Third condition module, for when receiving the instruction of third operating condition, into third control strategy, the third to be controlled
Whether strategy includes: to judge the remaining capacity of the power battery less than the first preset value, if it is not, then controlling the engine
It stops working, receives the first loaded work piece described in the electrical energy drive of the power battery output using the second driving motor；If
It is then to control the engine operation in default operation interval, controls the first driving motor using engine and generate electricity, is described
Power battery charging and driving second driving motor control first loaded work piece.
Optionally, first condition module is specifically used for, and when receiving the instruction of the first operating condition, judges the power electric
Whether the remaining capacity in pond is greater than the second preset value, if it is, controlling the engine operation in default operation interval, utilizes
The traveling of motor vehicles described in the engine driving；When motor vehicles demand torque is greater than engine current output torque, benefit
The traveling of motor vehicles described in the electrical energy drive of power battery is received with first driving motor, is turned round in the motor vehicles demand
When square is less than engine current output torque, generated electricity using the torque that first driving motor receives engine output,
Think the power battery charging；The first load work described in the electrical energy drive of power battery is received using second driving motor
Make；
If not, controlling the engine operation in default operation interval, driven using described in the engine driving first
Move electric power generation, the first load work of the second driving motor driving described in the electrical energy drive of the first driving motor output
Make.
Optionally, second condition module stops working specifically for controlling second driving motor；
Judge whether the remaining capacity of the power battery is greater than third preset value, if it is, utilizing the engine
The motor vehicles are driven to travel；When motor vehicles demand torque is greater than engine current output torque, described first is utilized
Driving motor receives the traveling of motor vehicles described in the electrical energy drive of power battery, is less than in the motor vehicles demand torque and starts
It when machine current output torque, is generated electricity using the torque that first driving motor receives engine output, to be described dynamic
The charging of power battery；The first loaded work piece described in the electrical energy drive of power battery is received using second driving motor；Described
Three preset values are greater than second preset value；
If not, generated electricity using the first driving motor described in the engine driving, the first driving motor output
Second driving motor described in electrical energy drive drives first loaded work piece.
Optionally, first control strategy, the second control strategy and third control strategy are equal further include:
When the motor vehicles meet kinetic energy recycling condition, the first driving motor of control carries out kinetic energy and is recovered as power electric
Pond charging.
A kind of mixer truck, comprising: power battery, engine, the first driving motor, the second driving motor, first load and
Hybrid power control system as described in any one of the above embodiments；
First load is agitator tank.
It can be seen from the above technical proposal that the embodiment of the present application provide a kind of hybrid power control method, system and
Mixer truck, wherein the hybrid power control method includes the first control strategy, the second control strategy and third control strategy,
When receiving the instruction of the first operating condition, it is believed that motor vehicles enter the fully loaded comfortable property of high load capacity, not only need to meet at this time
Power demand in the driving process of motor vehicles, and need to meet the job requirement of the first load, enter the first control at this time
System strategy, that is, meet the power demand of the driving process of motor vehicles, and can satisfy the work requirements of the first load；Work as reception
To when the instruction of the second operating condition, it is believed that motor vehicles enter the idle condition of Smaller load, at this time the first no work requirements of load, and
And the load of motor vehicles is smaller, can enter the second control strategy, be only used for meeting the traveling demand of motor vehicles；When
When receiving the instruction of third operating condition, it is believed that motor vehicles enter the simple loaded work piece operating condition without traveling demand, at this time without traveling
Demand only meets the work requirements of the first load by the engine, the first driving motor and the second driving motor that cooperate
?；The motor vehicles with the first load can be met in different operating conditions by the hybrid power control method
The control requirement of hybrid power system motor vehicles are improved by different control strategies and are existed and under each operating conditions
Fuel economy under different operating conditions.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow diagram for hybrid power control method that one embodiment of the application provides；
Fig. 2 is a kind of flow diagram for hybrid power control method that another embodiment of the application provides；
Fig. 3 is a kind of flow diagram for hybrid power control system that one embodiment of the application provides.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
The embodiment of the present application provides a kind of hybrid power control method, as shown in Figure 1, it is applied to motor vehicles, it is described
Motor vehicles include power battery, engine, the first driving motor, the second driving motor and the first load, the hybrid power
Control method includes:
S101: when receiving the instruction of the first operating condition, into the first control strategy, first control strategy includes: control
The engine operation is made in default operation interval, drives the motor vehicles row using engine and/or the first driving motor
It sails or for the power battery charging, the second driving motor is utilized to drive first loaded work piece；
S102: when receiving the instruction of the second operating condition, into the second control strategy, second control strategy includes: control
The engine operation is made in default operation interval, drives the motor vehicles row using engine and/or the first driving motor
It sails or for the power battery charging, controls second driving motor and stop working；
S103: when receiving the instruction of third operating condition, into third control strategy, the third control strategy includes: to sentence
Break the power battery remaining capacity whether less than the first preset value, if it is not, then controlling engine stop work, benefit
With the second driving motor receive the electrical energy drive of power battery output described in the first loaded work piece；If it is, control institute
Engine operation is stated in default operation interval, the first driving motor is controlled using engine and generates electricity, to be filled for the power battery
Electricity and driving second driving motor control first loaded work piece.
It should be noted that under normal circumstances, in the hybrid power system of oily electricity mixing, in order to guarantee the efficient of fuel oil
Utilization rate works in its higher thermal efficiency section as long as engine start, the torque of output can be only used for meeting
The traveling demand of motor vehicles can also be used to that motor vehicles to be driven to travel simultaneously, while pass through driving the first driving motor hair
Electricity is power battery charging, can so make the fuel oil of engine combustion that can reach a relatively high utilization
Rate.Therefore, optionally, in the present embodiment, the default operation interval is the efficient thermal efficiency section of the engine,
The fuel economy of the hybrid power control method can be improved.
The driver that the first operating condition instruction, the instruction of the second operating condition and the instruction of third operating condition can be motor vehicles passes through
Trigger button realizes triggering by touch screen or other touch devices.
Motor vehicles with the first load, since first to be supported on work requirements under different operating conditions different for it, and
Actual loading of the motor vehicles under different operating conditions generally differs larger, and therefore, it is necessary to receive the instruction of the first operating condition or the
When the instruction of two operating conditions or third operating condition instruct, different control strategies is carried out, to realize to engine, the second driving motor and the
Accurate control of two driving motors under different operating conditions, so that meeting has the motor vehicles of the first load in different operation works
The control requirement of hybrid power system when condition, and under each operating condition, motor vehicle is improved by different control strategies
Fuel economy under different operating conditions.
Specifically, by taking the mixer truck with agitator tank as an example, the first load of mixer truck is agitator tank；The operation of mixer truck
Operating condition includes: charging operating condition, fully loaded comfortable property, fully loaded building site waiting operating condition, discharging and no-load return trip operating condition etc..Wherein, full
It is different from the work requirements of agitator tank of mixer truck in no-load return trip operating condition to carry comfortable property, and complete vehicle quality (load) is poor
It is different very big.Fully loaded building site waits operating condition to compare with fully loaded comfortable property, and speed is not again identical, and therefore, it is necessary to different for these
Operating condition, formulate different control strategies.
For example, when mixer truck is in fully loaded comfortable property, driver can trigger the instruction of the first operating condition, to enter first
Control strategy；When mixer truck is in no-load return trip operating condition, agitator tank is without work requirements at this time, and driver can trigger at this time
Two operating conditions instruction, to enter the second control strategy；Fully loaded building site, which is in, in mixer truck waits operating condition, charging operating condition, discharging operating condition
Etc. operating conditions when, in these operating conditions, motor vehicles maintain to be ignorant of substantially, agitator tank operating, driver can trigger at this time
Third operating condition instruction, to enter third control strategy.
In addition, can be when judging whether that receiving the instruction of the first operating condition, the instruction of the second operating condition and third operating condition instructs
Serial deterministic process when the judgment is no, judges whether as shown in Fig. 2, instructing it is first determined whether receiving the first operating condition
The instruction of the second operating condition is received, when the judgment is no, judges whether to receive the instruction of third operating condition, when the judgment is no, return
Judge whether to receive the instruction of the first operating condition；Of course, in the other embodiments of the application, can also judge whether to connect parallel
The instruction of the first operating condition, the instruction of the second operating condition and the instruction of third operating condition are received, the application is to this and without limitation.
It should also be noted that, when not receiving the instruction of the first operating condition, the instruction of the second operating condition and the instruction of third operating condition,
It can default and the hybrid power system of motor vehicles is controlled using traditional hybrid power control method.
The control strategy under different operating conditions is specifically described below, in one embodiment of the application, the control
The engine operation is made in default operation interval, drives the motor vehicles row using engine and/or the first driving motor
It sails or for the power battery charging, drives first loaded work piece to include: using the second driving motor
Judge whether the remaining capacity of the power battery is greater than the second preset value, if it is, controlling the engine
Work is travelled in default operation interval using motor vehicles described in the engine driving；It is greater than in motor vehicles demand torque
When engine current output torque, motor vehicles row described in the electrical energy drive of power battery is received using first driving motor
It sails, when the motor vehicles demand torque is less than engine current output torque, is received and sent out using first driving motor
The torque of motivation output generates electricity, for the power battery charging；Power battery is received using second driving motor
Electrical energy drive described in the first loaded work piece；
If not, controlling the engine operation in default operation interval, driven using described in the engine driving first
Move electric power generation, the first load work of the second driving motor driving described in the electrical energy drive of the first driving motor output
Make.
The control engine operation is driven in default operation interval using engine and/or the first driving motor
The motor vehicles traveling is the power battery charging, and control second driving motor, which stops working, includes:
Second driving motor is controlled to stop working；
Judge whether the remaining capacity of the power battery is greater than third preset value, if it is, utilizing the engine
The motor vehicles are driven to travel；When motor vehicles demand torque is greater than engine current output torque, described first is utilized
Driving motor receives the traveling of motor vehicles described in the electrical energy drive of power battery, is less than in the motor vehicles demand torque and starts
It when machine current output torque, is generated electricity using the torque that first driving motor receives engine output, to be described dynamic
The charging of power battery；The first loaded work piece described in the electrical energy drive of power battery is received using second driving motor；Described
Three preset values are greater than second preset value；
If not, generated electricity using the first driving motor described in the engine driving, the first driving motor output
Second driving motor described in electrical energy drive drives first loaded work piece.
Optionally, the value range of first preset value is 30% ± 5%, including endpoint value.In third control strategy
In, only at the remaining capacity of power battery extremely low (being, for example, less than 25%), it can just control the engine and open machine work, benefit
The power generation of the first driving motor is controlled with engine, to control institute for the power battery charging and driving second driving motor
The first loaded work piece is stated, when the remaining capacity of power battery is greater than the 4th preset value (such as 50%), controls the engine
It stops working, the second driving motor is made to utilize the first loaded work piece of electrical energy drive of power battery output, to avoid engine frequency
The case where numerous starting, occurs.
Optionally, the value range of second preset value and third preset value is chosen as 50% ± 10%, as long as guaranteeing
Third preset value is greater than second preset value.
It should be noted that third preset value be greater than the second preset value purpose be make in the first control strategy so that
First driving motor preferentially ensures the power performance of vehicle, such as starting power-assisted, really lower in the remaining capacity of power battery
When (less than the second preset value) when, just started using the first driving motor of engine driving；
And in the second control strategy, so that the first driving motor is mainly that power battery generates electricity, only in power
When (being greater than third preset value) when the remaining capacity of battery is really higher, it is current to be just greater than engine in motor vehicles demand torque
When output torque, travelled using the electric energy assisted engine driving motor vehicles that the first driving motor receives power battery, thus
The fuel economy of hybrid power control method is promoted in maximization degree.
On the basis of the above embodiments, in another embodiment of the application, first control strategy, the second control
System strategy and third control strategy are equal further include:
When the motor vehicles meet kinetic energy recycling condition, the first driving motor of control carries out kinetic energy and is recovered as power electric
Pond charging.
In the present embodiment, kinetic energy recycling condition usually may include: the brake pedal of motor vehicles be triggered and/
Or the gas pedal of motor vehicles is not triggered and/or motor vehicles are in sliding state etc..First driving motor carries out
Kinetic energy recycling, the i.e. remaining kinetic energy of motor vehicles drive the power generation of the first driving motor, and the electric energy that the first driving motor generates is
The charging of power battery.
Hybrid power control system provided by the embodiments of the present application is illustrated below, hybrid power control described below
System processed can correspond to each other reference with above-described hybrid power control method.
Correspondingly, the embodiment of the present application provides a kind of hybrid power control system, as shown in figure 3, being applied to motor vehicle
, the motor vehicles include power battery, engine, the first driving motor, the second driving motor and the first load, described mixed
Closing power control system includes:
First condition module 100, for when receive the first operating condition instruction when, into the first control strategy, described first
Control strategy includes: the control engine operation in default operation interval, is driven using engine and/or the first driving motor
The motor vehicles traveling is the power battery charging, drives first loaded work piece using the second driving motor；
Second condition module 200, for when receive the second operating condition instruction when, into the second control strategy, described second
Control strategy includes: the control engine operation in default operation interval, is driven using engine and/or the first driving motor
The motor vehicles traveling is the power battery charging, controls second driving motor and stops working；
Third condition module 300, for when receive third operating condition instruction when, into third control strategy, the third
Whether control strategy includes: to judge the remaining capacity of the power battery less than the first preset value, if it is not, then controlling the hair
Motivation stops working, and receives the first loaded work piece described in the electrical energy drive of the power battery output using the second driving motor；
If it is, controlling the engine operation in default operation interval, control the first driving motor using engine and generate electricity, with for
The power battery charging and driving second driving motor control first loaded work piece.
It should be noted that under normal circumstances, in the hybrid power system of oily electricity mixing, in order to guarantee the efficient of fuel oil
Utilization rate works in its higher thermal efficiency section as long as engine start, the torque of output can be only used for meeting
The traveling demand of motor vehicles can also be used to that motor vehicles to be driven to travel simultaneously, while pass through driving the first driving motor hair
Electricity is power battery charging, can so make the fuel oil of engine combustion that can reach a relatively high utilization
Rate.Therefore, optionally, in the present embodiment, the default operation interval is the efficient thermal efficiency section of the engine,
The fuel economy of the hybrid power control method can be improved.
The driver that the first operating condition instruction, the instruction of the second operating condition and the instruction of third operating condition can be motor vehicles passes through
Trigger button realizes triggering by touch screen or other touch devices.
Motor vehicles with the first load, since first to be supported on work requirements under different operating conditions different for it, and
Actual loading of the motor vehicles under different operating conditions generally differs larger, and therefore, it is necessary to receive the instruction of the first operating condition or the
When the instruction of two operating conditions or third operating condition instruct, different control strategies is carried out, to realize to engine, the second driving motor and the
Accurate control of two driving motors under different operating conditions, so that meeting has the motor vehicles of the first load in different operation works
The control requirement of hybrid power system when condition, and under each operating condition, motor vehicle is improved by different control strategies
Fuel economy under different operating conditions.
Specifically, by taking the mixer truck with agitator tank as an example, the first load of mixer truck is agitator tank；The operation of mixer truck
Operating condition includes: charging operating condition, fully loaded comfortable property, fully loaded building site waiting operating condition, discharging and no-load return trip operating condition etc..Wherein, full
It is different from the work requirements of agitator tank of mixer truck in no-load return trip operating condition to carry comfortable property, and complete vehicle quality (load) is poor
It is different very big.Fully loaded building site waits operating condition to compare with fully loaded comfortable property, and speed is not again identical, and therefore, it is necessary to different for these
Operating condition, formulate different control strategies.
For example, when mixer truck is in fully loaded comfortable property, driver can trigger the instruction of the first operating condition, to enter first
Control strategy；When mixer truck is in no-load return trip operating condition, agitator tank is without work requirements at this time, and driver can trigger at this time
Two operating conditions instruction, to enter the second control strategy；Fully loaded building site, which is in, in mixer truck waits operating condition, charging operating condition, discharging operating condition
Etc. operating conditions when, in these operating conditions, motor vehicles maintain to be ignorant of substantially, agitator tank operating, driver can trigger at this time
Third operating condition instruction, to enter third control strategy.
Optionally, first condition module 100 is specifically used for, and when receiving the instruction of the first operating condition, judges described dynamic
Whether the remaining capacity of power battery is greater than the second preset value, if it is, control the engine operation in default operation interval,
It is travelled using motor vehicles described in the engine driving；It is greater than engine current output torque in motor vehicles demand torque
When, motor vehicles described in the electrical energy drive of power battery are received using first driving motor and are travelled, in the motor vehicles
When demand torque is less than engine current output torque, carried out using the torque that first driving motor receives engine output
Power generation, for the power battery charging；It is received first described in the electrical energy drive of power battery using second driving motor
Loaded work piece；
If not, controlling the engine operation in default operation interval, driven using described in the engine driving first
Move electric power generation, the first load work of the second driving motor driving described in the electrical energy drive of the first driving motor output
Make.
Optionally, second condition module 200 stops working specifically for controlling second driving motor；
Judge whether the remaining capacity of the power battery is greater than third preset value, if it is, utilizing the engine
The motor vehicles are driven to travel；When motor vehicles demand torque is greater than engine current output torque, described first is utilized
Driving motor receives the traveling of motor vehicles described in the electrical energy drive of power battery, is less than in the motor vehicles demand torque and starts
It when machine current output torque, is generated electricity using the torque that first driving motor receives engine output, to be described dynamic
The charging of power battery；The first loaded work piece described in the electrical energy drive of power battery is received using second driving motor；Described
Three preset values are greater than second preset value；
If not, generated electricity using the first driving motor described in the engine driving, the first driving motor output
Second driving motor described in electrical energy drive drives first loaded work piece.
Optionally, the value range of first preset value is 30% ± 5%, including endpoint value.In third control strategy
In, only at the remaining capacity of power battery extremely low (being, for example, less than 25%), it can just control the engine and open machine work, benefit
The power generation of the first driving motor is controlled with engine, to control institute for the power battery charging and driving second driving motor
The first loaded work piece is stated, when the remaining capacity of power battery is greater than the 4th preset value (such as 50%), controls the engine
It stops working, the second driving motor is made to utilize the first loaded work piece of electrical energy drive of power battery output, to avoid engine frequency
The case where numerous starting, occurs.
Optionally, the value range of second preset value and third preset value is chosen as 50% ± 10%, as long as guaranteeing
Third preset value is greater than second preset value.
It should be noted that third preset value be greater than the second preset value purpose be make in the first control strategy so that
First driving motor preferentially ensures the power performance of vehicle, such as starting power-assisted, really lower in the remaining capacity of power battery
When (less than the second preset value) when, just started using the first driving motor of engine driving；
And in the second control strategy, so that the first driving motor is mainly that power battery generates electricity, only in power
When (being greater than third preset value) when the remaining capacity of battery is really higher, it is current to be just greater than engine in motor vehicles demand torque
When output torque, travelled using the electric energy assisted engine driving motor vehicles that the first driving motor receives power battery, thus
The fuel economy of hybrid power control method is promoted in maximization degree.
Optionally, first control strategy, the second control strategy and third control strategy are equal further include:
When the motor vehicles meet kinetic energy recycling condition, the first driving motor of control carries out kinetic energy and is recovered as power electric
Pond charging.
In the present embodiment, kinetic energy recycling condition usually may include: the brake pedal of motor vehicles be triggered and/
Or the gas pedal of motor vehicles is not triggered and/or motor vehicles are in sliding state etc..First driving motor carries out
Kinetic energy recycling, the i.e. remaining kinetic energy of motor vehicles drive the power generation of the first driving motor, and the electric energy that the first driving motor generates is
The charging of power battery.
Correspondingly, the embodiment of the present application also provides a kind of mixer trucks, comprising: power battery, engine, the first driving electricity
Machine, the second driving motor, the first load and the hybrid power control system as described in above-mentioned any embodiment；
First load is agitator tank.
In conclusion the embodiment of the present application provides a kind of hybrid power control method, system and mixer truck, wherein institute
Stating hybrid power control method includes the first control strategy, the second control strategy and third control strategy, when receiving the first work
When condition instructs, it is believed that motor vehicles enter the fully loaded comfortable property of high load capacity, not only need to meet the traveling of motor vehicles at this time
Power demand in the process, and need to meet the job requirement of the first load, enter the first control strategy at this time, that is, meets machine
The power demand of the driving process of motor-car, and can satisfy the work requirements of the first load；It is instructed when receiving the second operating condition
When, it is believed that motor vehicles enter the idle condition of Smaller load, at this time the first no work requirements of load, and motor vehicles is negative
Load is smaller, can enter the second control strategy, be only used for meeting the traveling demand of motor vehicles；When receiving third operating condition
When instruction, it is believed that motor vehicles enter the simple loaded work piece operating condition without traveling demand, at this time without traveling demand, only pass through collaboration
The engine of work, the first driving motor and the second driving motor meet the work requirements of the first load；By described mixed
Hybrid power system of the motor vehicles with the first load in different operating conditions can be met by closing power-control method
Control requirement motor vehicles are improved in different operating conditions by different control strategies and under each operating condition
Under fuel economy.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of hybrid power control method, which is characterized in that be applied to motor vehicles, the motor vehicles include power electric
Pond, engine, the first driving motor, the second driving motor and the first load, the hybrid power control method include:
When receiving the instruction of the first operating condition, into the first control strategy, first control strategy includes: to start described in control
Machine work using engine and/or the first driving motor driving motor vehicles traveling or is described in default operation interval
Power battery charging drives first loaded work piece using the second driving motor；
When receiving the instruction of the second operating condition, into the second control strategy, second control strategy includes: to start described in control
Machine work using engine and/or the first driving motor driving motor vehicles traveling or is described in default operation interval
Power battery charging controls second driving motor and stops working；
When receiving the instruction of third operating condition, into third control strategy, the third control strategy includes: to judge the power
Whether the remaining capacity of battery if it is not, then control the engine stop work, utilizes second driving less than the first preset value
Motor receives the first loaded work piece described in the electrical energy drive of the power battery output；If it is, controlling the engine work
Make to control the first driving motor in default operation interval using engine and generate electricity, for the power battery charging and driving institute
It states the second driving motor and controls first loaded work piece.
2. the method according to claim 1, wherein the control engine operation is in default workspace
Between, it drives the motor vehicles to travel or be the power battery charging using engine and/or the first driving motor, utilizes the
Two driving motors drive first loaded work piece to include:
Judge whether the remaining capacity of the power battery is greater than the second preset value, if it is, controlling the engine operation
In default operation interval, travelled using motor vehicles described in the engine driving；It is greater than in motor vehicles demand torque and starts
When machine current output torque, motor vehicles described in the electrical energy drive of power battery are received using first driving motor and are travelled,
When the motor vehicles demand torque is less than engine current output torque, engine is received using first driving motor
The torque of output generates electricity, for the power battery charging；The electricity of power battery is received using second driving motor
First loaded work piece can be driven；
If not, controlling the engine operation in default operation interval, the first driving electricity described in the engine driving is utilized
Machine generates electricity, and the second driving motor described in the electrical energy drive of the first driving motor output drives first loaded work piece.
3. according to the method described in claim 2, it is characterized in that, the control engine operation is in default workspace
Between, using engine and/or the first driving motor driving motor vehicles traveling or it is the power battery charging, controls institute
It states the second driving motor and stops working and include:
Second driving motor is controlled to stop working；
Judge whether the remaining capacity of the power battery is greater than third preset value, if it is, utilizing the engine driving
The motor vehicles traveling；When motor vehicles demand torque is greater than engine current output torque, first driving is utilized
Motor receives the traveling of motor vehicles described in the electrical energy drive of power battery, works as in the motor vehicles demand torque less than engine
When preceding output torque, generated electricity using the torque that first driving motor receives engine output, for the power electric
Pond charging；The first loaded work piece described in the electrical energy drive of power battery is received using second driving motor；The third is pre-
If value is greater than second preset value；
If not, generated electricity using the first driving motor described in the engine driving, the electric energy of the first driving motor output
Second driving motor is driven to drive first loaded work piece.
4. the method according to claim 1, wherein first control strategy, the second control strategy and third
Control strategy is equal further include:
When the motor vehicles meet kinetic energy recycling condition, control the first driving motor progress kinetic energy is recovered as power battery and fills
Electricity.
5. a kind of hybrid power control system, which is characterized in that be applied to motor vehicles, the motor vehicles include power electric
Pond, engine, the first driving motor, the second driving motor and the first load, the hybrid power control system include:
First condition module, for when receive the first operating condition instruction when, into the first control strategy, first control strategy
Include: the control engine operation in default operation interval, is driven using engine and/or the first driving motor described motor-driven
Vehicle driving is the power battery charging, drives first loaded work piece using the second driving motor；
Second condition module, for when receive the second operating condition instruction when, into the second control strategy, second control strategy
Include: the control engine operation in default operation interval, is driven using engine and/or the first driving motor described motor-driven
Vehicle driving is the power battery charging, controls second driving motor and stops working；
Third condition module, for when receive third operating condition instruction when, into third control strategy, the third control strategy
It include: to judge the remaining capacity of the power battery whether less than the first preset value, if it is not, then controlling the engine stop
Work receives the first loaded work piece described in the electrical energy drive of the power battery output using the second driving motor；If it is,
The engine operation is controlled in default operation interval, the first driving motor is controlled using engine and generates electricity, for the power
Battery charges and drives second driving motor to control first loaded work piece.
6. system according to claim 5, which is characterized in that first condition module is specifically used for, when receiving
When one operating condition instructs, judge whether the remaining capacity of the power battery is greater than the second preset value, if it is, controlling the hair
Motivation work is travelled in default operation interval using motor vehicles described in the engine driving；In motor vehicles demand torque
When greater than engine current output torque, motor vehicle described in the electrical energy drive of power battery is received using first driving motor
Traveling, the motor vehicles demand torque be less than engine current output torque when, connect using first driving motor
The torque of transmitting-receiving motivation output generates electricity, for the power battery charging；Power is received using second driving motor
First loaded work piece described in the electrical energy drive of battery；
If not, controlling the engine operation in default operation interval, the first driving electricity described in the engine driving is utilized
Machine generates electricity, and the second driving motor described in the electrical energy drive of the first driving motor output drives first loaded work piece.
7. system according to claim 6, which is characterized in that second condition module is specifically used for control described second
Driving motor stops working；
Judge whether the remaining capacity of the power battery is greater than third preset value, if it is, utilizing the engine driving
The motor vehicles traveling；When motor vehicles demand torque is greater than engine current output torque, first driving is utilized
Motor receives the traveling of motor vehicles described in the electrical energy drive of power battery, works as in the motor vehicles demand torque less than engine
When preceding output torque, generated electricity using the torque that first driving motor receives engine output, for the power electric
Pond charging；The first loaded work piece described in the electrical energy drive of power battery is received using second driving motor；The third is pre-
If value is greater than second preset value；
If not, generated electricity using the first driving motor described in the engine driving, the electric energy of the first driving motor output
Second driving motor is driven to drive first loaded work piece.
8. system according to claim 5, which is characterized in that first control strategy, the second control strategy and third
Control strategy is equal further include:
When the motor vehicles meet kinetic energy recycling condition, control the first driving motor progress kinetic energy is recovered as power battery and fills
Electricity.
9. a kind of mixer truck characterized by comprising power battery, engine, the first driving motor, the second driving motor,
One load and such as described in any item hybrid power control systems of claim 5-8；
First load is agitator tank.
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| CN201811136727.7A CN109353328A (en) | 2018-09-28 | 2018-09-28 | A kind of hybrid power control method, system and mixer truck |
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| CN201811136727.7A CN109353328A (en) | 2018-09-28 | 2018-09-28 | A kind of hybrid power control method, system and mixer truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112092196A (en) * | 2020-09-14 | 2020-12-18 | 芜湖中集瑞江汽车有限公司 | Agitating lorry and driving method thereof |
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Application publication date: 20190219 |