CN100588857C - Mixing power driving control method of vehicle and system thereof - Google Patents
Mixing power driving control method of vehicle and system thereof Download PDFInfo
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- CN100588857C CN100588857C CN200610060052A CN200610060052A CN100588857C CN 100588857 C CN100588857 C CN 100588857C CN 200610060052 A CN200610060052 A CN 200610060052A CN 200610060052 A CN200610060052 A CN 200610060052A CN 100588857 C CN100588857 C CN 100588857C
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/442—Series-parallel switching type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/119—Conjoint control of vehicle sub-units of different type or different function including control of all-wheel-driveline means, e.g. transfer gears or clutches for dividing torque between front and rear axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/24—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
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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
-
- 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
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- 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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
It relates to a hybrid drive control method for locomotives. It comprises collecting vehicle signal, deciding whether to go to the four drive control status based on the battery charge status SOC inside the vehicle signal, based on the battery working status to further decide the full wheel drive execution with the system composed of front drive unit, rear drive unit, engine, generator, battery, with the front drive unit and rear drive unit composed of drive front wheel and rear wheel, engine providing power to the battery, with the battery rear drive unit providing power. It features in the management unit that decides the four wheel drive control status and its execution. It can provide timely, effective protection to the battery, conducive to the extension of its durability, reduction of cost, improvement of stability and security.
Description
Technical field
The present invention relates to Motor Vehicle, relate in particular to a kind of mixing power driving control method of vehicle and system.
Background technique
In existing application four-drive hybrid electric drive system; often adopt battery to provide power to trailing wheel; in the application of reality; since the user can not be in time the working state of electrolytic cell; or internal system control can't carry out in time, effectively protect battery according to the working state of battery, therefore, in use very easily battery caused damage; improved the Motor Vehicle maintenance cost, also brought potential safety hazard to Motor Vehicle.
Summary of the invention
The object of the present invention is to provide a kind of mixing power driving control method of vehicle and the system strong, the problem that can not carry out in time battery to overcome in the prior art, effectively protect to battery protection.
Mixing power driving control method of vehicle of the present invention comprises the steps:
A, collection comprise the vehicle signal of vehicle speed value V, battery charge state signal value SOC and performance number P at least;
B, judge whether to enter the 4 wheel driven state of a control according to the battery charge state signal value SOC in the vehicle signal at least;
C, in described 4 wheel driven state of a control, do further to judge according to battery operated state, determine the execution that 4 wheel driven travels.
Described step B comprises the steps:
B1, according to the speed of a motor vehicle threshold values V0 that vehicle speed value V and sets, carry out following operation:
B11, if V＜V0, carry out following operation according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL:
B111, if SOC＞SOCL, enter the 4 wheel driven state of a control;
B112 otherwise, continue following steps B2;
B12 otherwise, carry out following operation according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL:
B121, if SOC 〉=SOCL, carry out following operation according to the power threshold P0 of performance number P and setting:
B1211, if P≤P0, continue following steps B2;
B1212 otherwise, enter the 4 wheel driven state of a control;
B122 otherwise, continue following steps B2;
B2, enter the routine state of a control of travelling.
Among the described step C, battery condition is done further to judge, carry out 4 wheel driven when satisfying battery condition and travel according to battery operated state.
Described battery operated state comprises battery charge state signal value SOC, battery temperature value T and battery humidity value H.
Described step C comprises the steps:
C1, according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL, carry out following operation:
C11, if SOC＞SOCL, carry out following operation according to the battery temperature lower bound threshold values Tmin of battery temperature value T and setting:
C111, if T＞Tmin, carry out following operation according to the high limit of the battery temperature threshold values Tmax of battery temperature value T and setting:
C1111, if T＜Tmax, carry out following operation according to the battery humidity threshold values H0 of battery humidity value H and setting:
C11111, if H＜H0, carry out 4 wheel driven and travel;
C11112 otherwise, continue following steps C2;
C1112 otherwise, continue following steps C2;
C112 otherwise, continue following steps C2;
C12 otherwise, continue following steps C2;
C2, enter the routine state of a control of travelling.
During described execution 4 wheel driven travels, comprise the steps:
D1, carry out power prediction and calculate;
D2, carry out power division, obtain the running parameter of motor and battery;
D3, according to running parameter operation driving mechanism.
The described routine state of a control of travelling comprises following operating procedure:
Carry out following operation according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL:
E1, if SOC＞SOCL, return;
E2 otherwise, to battery charge.
Described battery is charged to battery charge state signal value SOC more than or equal to the high limit of a state-of-charge signal of setting threshold values SOCH.
This vehicle hybrid power driving control system, comprise the forerunner unit, the rear-guard unit, motor, generator and battery, described forerunner unit and rear-guard unit drive front wheels of motor-vehicles and trailing wheel respectively, described motor provides power to generator and forerunner unit, described generator provides electric energy to battery, directly provide power by battery to the rear-guard unit, it is characterized in that: comprise management unit, described management unit comprises acquisition module, first judge module, 4 wheel driven control module and the routine control module of travelling, wherein
Described acquisition module is gathered vehicle signal, comprises vehicle speed value V, battery operated status data and performance number P, and vehicle signal is passed to first judge module and 4 wheel driven control module;
Described first judge module determines to adopt the control of 4 wheel driven control module or the conventional control module of travelling according to the battery charge state signal value SOC that acquisition module collected;
Described 4 wheel driven control module is done further to judge to battery operated state, is determined the execution that 4 wheel driven travels;
The described routine control module of travelling is carried out the normal operation of Motor Vehicle.
Described 4 wheel driven control module comprises that second judges module, power budget module, power distribution module and drive the execution module, wherein,
Described second judges that module makes further battery condition according to battery charge state signal value SOC, battery temperature value T and battery humidity value H to battery and judge, judged result is sent to power budget module or the routine control module of travelling with trigger signal;
Described power budget module is judged the trigger signal that module is sent out according to second, match curve according to predefined accelerator open degree and system dynamic output, and current vehicles state and instant accelerator open degree signal, calculate next power demand constantly, and the power that will calculate in advance is sent to the power distribution module;
Described power distribution module calculates the power that forerunner unit and rear-guard unit institute should bear according to the driving torque and the corresponding axle load relation of the forward and backward axle of Motor Vehicle, obtains the running parameter of motor and battery, and running parameter is sent to drives the execution module;
Described driving is carried out module running parameter is carried out conversion treatment, produces and carries out signal, and will carry out signal and be sent to motor and battery respectively, correspondingly drives forerunner unit and rear-guard unit.
Described routine is travelled and is comprised the 3rd judge module in the control module, and described the 3rd judge module is according to the work of battery charge state signal value SOC control generator, to battery charge.
Beneficial effect of the present invention is: among the present invention; by gathering vehicle signal; judge whether to enter the 4 wheel driven state of a control according to the battery charge state signal value SOC in the vehicle signal; and according to the further judgement of battery operated state do; determine the execution that 4 wheel driven travels; just in internal system control, battery is carried out in time according to the working state of battery; effectively protection; the present invention has adopted the strategy of a kind of " battery management is preferential "; in the using process of Motor Vehicle with the protection battery be condition; make battery obtain stronger protection; help to prolong the working life of battery; reduce the Motor Vehicle maintenance cost, also improved Motor Vehicle stability and Security on the whole.
Description of drawings
Fig. 1 is a system global structure schematic representation of the present invention;
Fig. 2 is management unit structural representation among the present invention;
Fig. 3 is a basic controlling flow process schematic representation of the present invention;
Fig. 4 is the concrete control flow schematic representation of the present invention;
Fig. 5 is the internal control flow process of the conventional control module of travelling among the present invention.
Embodiment
With embodiment the present invention is described in further detail with reference to the accompanying drawings below:
According to shown in Figure 1, the present invention includes forerunner unit 1, rear-guard unit 2, motor 3, generator 4, battery 5 and management unit 6, as shown in Figure 1, forerunner unit 1 comprises gearbox 11, front axle 12 and front-wheel 13, and rear-guard unit 2 comprises drive motor 21, transmission device 22, rear axle 23 and trailing wheel 24.
As shown in Figure 1, forerunner unit 1 and rear-guard unit 2 drive front wheels of motor-vehicles 13 and trailing wheel 24 respectively, motor 3 provides power to generator 4 and forerunner unit 1, motor 3 makes gearbox 11 work of forerunner unit 1, drive front-wheel 13, generator 4 provides electric energy to battery 5, directly provides power by the drive motor 21 of battery 5 in rear-guard unit 2.
Management unit 6 according to the battery charge state signal value SOC in the vehicle signal, is determined 4 wheel driven state of a control and execution thereof at least by gathering vehicle signal.
As shown in Figure 2, management unit 6 comprises acquisition module 61, first judge module 62,4 wheel driven control module 63 and the routine control module 64 of travelling.
As shown in Figure 2, acquisition module 61 is gathered vehicle signal, comprises vehicle speed value V, battery operated status data and performance number P, and vehicle signal is passed to first judge module 62 and 4 wheel driven control module 63.
As shown in Figure 2, the vehicle signal that collected according to acquisition module 61 of first judge module 62 determines to adopt the control of 4 wheel driven control module 63 or the conventional control module 64 of travelling.
As shown in Figure 2,4 wheel driven control module 63 is done further to judge to battery condition according to battery operated state, determine the execution that 4 wheel driven travels, particularly, 4 wheel driven control module 63 comprises that second judges module 631, power budget module 632, power distribution module 633 and drive execution module 634.
As shown in Figure 2, second judges that module 631 makes further battery condition according to battery charge state signal value SOC, battery temperature value T and battery humidity value H to battery and judge, judged result is sent to power budget module 632 or the routine control module 64 of travelling with trigger signal.
As shown in Figure 2, power budget module 632 is judged the trigger signal that module 631 is sent out according to second, match curve according to predefined accelerator open degree and system dynamic output, and current vehicles state and instant accelerator open degree signal, calculate next power demand constantly, and the power that will calculate in advance is sent to power distribution module 633.
As shown in Figure 2, power distribution module 633 is according to the driving torque and the corresponding axle load relation of the forward and backward axle of Motor Vehicle, calculate forerunner unit 1 and rear-guard unit 2 the power that should bear, obtain the running parameter of motor 3 and battery 5, and running parameter is sent to drive carries out module 634.
As shown in Figure 2, drive to carry out 634 pairs of running parameters of module and carry out conversion treatment, produce and carry out signal, and will carry out signal and be sent to motor 3 and battery 5 respectively, correspondingly drive forerunner unit 1 and rear-guard unit 2.
As shown in Figure 2, travel control module 64 of routine is carried out the normal operation of Motor Vehicle, and in the present embodiment, routine is travelled and comprised the 3rd judge module 641 in the control module 64, the 3rd judge module 641 is according to 4 work of battery charge state signal value SOC control generator, to battery 5 chargings.
According to Fig. 1, Fig. 2 and Fig. 3, basic controlling flow process of the present invention is as follows:
1) acquisition module 61 is gathered vehicle signal, vehicle signal comprises vehicle speed value V, battery operated status data, as battery charge state signal value SOC, battery temperature value T and battery humidity value H, and accelerator open degree, car weight, performance number P etc., performance number P obtains according to accelerator open degree, car weight and vehicle speed value V, and acquisition module 61 is passed to first judge module 62 and 4 wheel driven control module 63 with vehicle signal.
2) first judge module 62 carries out following operation according to a vehicle speed value V and a speed of a motor vehicle threshold values V0 who sets:
21) if V＜V0 carries out following operation according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL:
211) if SOC＞SOCL continues following steps 4).
212) otherwise, continue following steps 3).
22) otherwise, carry out following operation according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL:
221), carry out following operation according to the power threshold P0 of performance number P and setting if SOC 〉=SOCL:
B1211, if P≤P0, continue following steps 3).
B1212 otherwise, continue following steps 4).
222) otherwise, continue following steps 3).
3) enter routine routine in the control module 64 state of a control of travelling of travelling.
4) in 4 wheel driven control module 63, according to battery operated state battery condition is done further to judge, carry out following operation:
41) if battery condition allows, then carry out 4 wheel driven and travel.
42) if battery condition does not allow, then return above-mentioned steps 3).
According to Fig. 1, Fig. 2 and Fig. 4, the concrete control flow of the present invention is as follows:
1, acquisition module 61 is gathered vehicle signal, vehicle signal comprises vehicle speed value V, battery operated status data, as battery charge state signal value SOC, battery temperature value T and battery humidity value H, and accelerator open degree, car weight, performance number P etc., performance number P obtains according to accelerator open degree, car weight and vehicle speed value V, and acquisition module 61 is passed to first judge module 62 and 4 wheel driven control module 63 with vehicle signal.
2, first judge module 62 carries out following operation according to a vehicle speed value V and a speed of a motor vehicle threshold values V0 who sets:
21, if V＜V0 carries out following operation according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL:
211, if SOC＞SOCL continues following steps 4.
212 otherwise, continue following steps 3.
22 otherwise, carry out following operation according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL:
221,, carry out following operation according to the power threshold P0 of performance number P and setting if SOC 〉=SOCL:
B1211, if P≤P0, continue following steps 3.
B1212 otherwise, continue following steps 4.
222 otherwise, continue following steps 3.
3, enter routine routine in the control module 64 state of a control of travelling of travelling.
4, second in the 4 wheel driven control module 63 judges that module 631 according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL, carries out following operation:
41,, carry out following operation according to the battery temperature lower bound threshold values Tmin of battery temperature value T and setting if SOC＞SOCL:
411, if T＞Tmin limits threshold values Tmax to carry out following operation according to the battery temperature height of battery temperature value T and setting:
4111,, carry out following operation according to the battery humidity threshold values H0 of battery humidity value H and setting if T＜Tmax:
41111, as if H＜H0, second judges that module 631 is sent to power budget module 632 with judged result (being that battery condition allows) with trigger signal, continues following steps 5.
41112 otherwise, return above-mentioned steps 3.
4112 otherwise, return above-mentioned steps 3.
412 otherwise, return above-mentioned steps 3.
42 otherwise, return above-mentioned steps 3.
5, power budget module 632 is according to the match curve of predefined accelerator open degree and system dynamic output, and current vehicles state and instant accelerator open degree signal, calculate next power demand constantly, and the power that will calculate in advance is sent to power distribution module 633.
6, power distribution module 633 is according to the driving torque and the corresponding axle load relation of the forward and backward axle of Motor Vehicle, calculate forerunner unit 1 and rear-guard unit 2 the power that should bear, obtain the running parameter of motor 3 and battery 5, and running parameter is sent to driving execution module 634.
7, drive to carry out 634 pairs of running parameters of module and carry out conversion treatment, produce and carry out signal, and will carry out signal and be sent to motor 3 and battery 5 respectively, correspondingly drive forerunner unit 1 and rear-guard unit 2.
In the present invention, routine is travelled the 3rd judge module 641 in the control module 64 according to 4 work of battery charge state signal value SOC control generator, and to battery 5 chargings, its control flow is as follows:
As shown in Figure 5, the 3rd judge module 641 carries out following operation according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL:
A) as if SOC＞SOCL, then flow process is returned, and in fact returning here be equivalent to make battery to break away from the 3rd judge module 641, for example can return above-mentioned steps 1) or step 1.
B) otherwise, to battery charge, battery be charged to battery charge state signal value SOC in or equal the high limit of a state-of-charge signal of setting threshold values SOCH, here, to the charging of battery regard as relative interior control, between charge period, can not allow of the operation of other flow process to battery, after charging finishes, then can withdraw from charging control.
Claims (10)
1. mixing power driving control method of vehicle, it comprises the steps:
A, collection comprise the vehicle signal of vehicle speed value V, battery charge state signal value SOC and performance number P at least;
B, judge whether to enter the 4 wheel driven state of a control according to the battery charge state signal value SOC in the vehicle signal at least;
C, in described 4 wheel driven state of a control, do further to judge according to battery operated state, determine the execution that 4 wheel driven travels.
Described step B comprises the steps:
B1, according to the speed of a motor vehicle threshold values VO that vehicle speed value V and sets, carry out following operation:
B11, if V＜VO, carry out following operation according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL:
B111, if SOC＞SOCL, enter the 4 wheel driven state of a control;
B112 otherwise, continue following steps B2;
B12 otherwise, carry out following operation according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL:
B121, if SOC 〉=SOCL, carry out following operation according to the power threshold P0 of performance number P and setting:
B1211, if P≤P0, continue following steps B2;
B1212 otherwise, enter the 4 wheel driven state of a control;
B122 otherwise, continue following steps B2;
B2, enter the routine state of a control of travelling.
2. mixing power driving control method of vehicle according to claim 1 is characterized in that: among the described step C, according to battery operated state battery condition is done further to judge, carry out 4 wheel driven when satisfying battery condition and travel.
3. mixing power driving control method of vehicle according to claim 2 is characterized in that: described battery operated state comprises battery charge state signal value SOC, battery temperature value T and battery humidity value H.
4. mixing power driving control method of vehicle according to claim 3 is characterized in that: described step C comprises the steps:
C1, according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL, carry out following operation:
C11, if SOC＞SOCL, carry out following operation according to the battery temperature lower bound threshold values Tmin of battery temperature value T and setting:
C111, if T＞Tmin, carry out following operation according to the high limit of the battery temperature threshold values Tmax of battery temperature value T and setting:
C1111, if T＜Tmax, carry out following operation according to the battery humidity threshold values H0 of battery humidity value H and setting:
C11111, if H＜HO, carry out 4 wheel driven and travel;
C11112 otherwise, continue following steps C2;
C1112 otherwise, continue following steps C2;
C112 otherwise, continue following steps C2;
C12 otherwise, continue following steps C2;
C2, enter the routine state of a control of travelling.
5. mixing power driving control method of vehicle according to claim 3 is characterized in that: during described execution 4 wheel driven travels, comprise the steps:
D1, carry out power prediction and calculate;
D2, carry out power division, obtain the running parameter of motor and battery;
D3, according to running parameter operation driving mechanism.
6. mixing power driving control method of vehicle according to claim 3 is characterized in that: the described routine state of a control of travelling comprises following operating procedure:
Carry out following operation according to battery charge state signal value SOC and state-of-charge signal lower bound threshold values SOCL:
E1, if SOC＞SOCL, return;
E2 otherwise, to battery charge.
7. mixing power driving control method of vehicle according to claim 6 is characterized in that: described battery is charged to battery charge state signal value SOC more than or equal to the high limit of a state-of-charge signal of setting threshold values SOCH.
8. an execution is as the vehicle hybrid power driving control system of mixing power driving control method of vehicle as described in any one of the claim 1-7, comprise the forerunner unit, the rear-guard unit, motor, generator and battery, described forerunner unit and rear-guard unit drive front wheels of motor-vehicles and trailing wheel respectively, described motor provides power to generator and forerunner unit, described generator provides electric energy to battery, directly provide power by battery to the rear-guard unit, it is characterized in that: comprise management unit, described management unit comprises acquisition module, first judge module, 4 wheel driven control module and the routine control module of travelling, wherein
Described acquisition module is gathered vehicle signal, comprises vehicle speed value V, battery operated status data and performance number P, and vehicle signal is passed to first judge module and 4 wheel driven control module;
Described first judge module determines to adopt the control of 4 wheel driven control module or the conventional control module of travelling according to the vehicle signal that acquisition module collected;
Described 4 wheel driven control module is done further to judge to battery condition according to battery operated state, is determined the execution that 4 wheel driven travels;
The described routine control module of travelling is carried out the normal operation of Motor Vehicle.
9. vehicle hybrid power driving control system according to claim 8 is characterized in that: described 4 wheel driven control module comprises that second judges module, power budget module, power distribution module and drive the execution module, wherein,
Described second judges that module makes further battery condition according to battery charge state signal value SOC, battery temperature value T and battery humidity value H to battery and judge, judged result is sent to power budget module or the routine control module of travelling with trigger signal;
Described power budget module is judged the trigger signal that module is sent out according to second, match curve according to predefined accelerator open degree and system dynamic output, and current vehicles state and instant accelerator open degree signal, calculate next power demand constantly, and the power that will calculate in advance is sent to the power distribution module;
Described power distribution module calculates the power that forerunner unit and rear-guard unit institute should bear according to the driving torque and the corresponding axle load relation of the forward and backward axle of Motor Vehicle, obtains the running parameter of motor and battery, and running parameter is sent to drives the execution module;
Described driving is carried out module running parameter is carried out conversion treatment, produces and carries out signal, and will carry out signal and be sent to motor and battery respectively, correspondingly drives forerunner unit and rear-guard unit.
10. any described vehicle hybrid power driving control system according to Claim 8-9, it is characterized in that: described routine is travelled and is comprised the 3rd judge module in the control module, described the 3rd judge module is according to the work of battery charge state signal value SOC control generator, to battery charge.
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| CN102166949A (en) * | 2011-04-12 | 2011-08-31 | 武汉理工大学 | Electric-auxiliary hybrid power vehicle drive system |
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| US8028778B2 (en) | 2007-12-27 | 2011-10-04 | Byd Co. Ltd. | Hybrid vehicle having torsional coupling between engine assembly and motor-generator |
| JP4697247B2 (en) * | 2008-03-03 | 2011-06-08 | 日産自動車株式会社 | Hybrid vehicle |
| CN101570131B (en) * | 2009-06-03 | 2012-03-28 | 奇瑞汽车股份有限公司 | Four-wheel driven hybrid vehicle driving system and driving management method thereof |
| CN104228843B (en) * | 2013-06-19 | 2016-12-07 | 上海汽车集团股份有限公司 | The gas pedal moment of torsion identifying processing method of hybrid vehicle |
| CN103640569B (en) * | 2013-11-28 | 2016-04-27 | 江苏大学 | Based on the hybrid vehicle energy management method of multi-agent Technology |
| US9415769B2 (en) * | 2014-09-25 | 2016-08-16 | Ford Global Technologies, Llc | System and method for controlling a powertrain in a vehicle |
| US10279799B2 (en) * | 2016-12-13 | 2019-05-07 | Ford Global Technologies, Llc | Dynamic torque profiles based on drive mode selection |
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| CN102166949A (en) * | 2011-04-12 | 2011-08-31 | 武汉理工大学 | Electric-auxiliary hybrid power vehicle drive system |
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