CN106274890A - The control method of bimodulus hybrid vehicle based on penalty factor and device - Google Patents
The control method of bimodulus hybrid vehicle based on penalty factor and device Download PDFInfo
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- CN106274890A CN106274890A CN201510369576.XA CN201510369576A CN106274890A CN 106274890 A CN106274890 A CN 106274890A CN 201510369576 A CN201510369576 A CN 201510369576A CN 106274890 A CN106274890 A CN 106274890A
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- 238000012360 testing method Methods 0.000 claims description 37
- 238000010248 power generation Methods 0.000 claims description 33
- 239000000295 fuel oil Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 5
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- 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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0666—Engine torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
-
- 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
Abstract
The present invention proposes control method and the device of a kind of bimodulus hybrid vehicle based on penalty factor; the method includes: according to the real-time rotating speed of wheel at OEC curve, MAX curve, MIN curve and the enterprising row interpolation of motor peak torque curve, it is thus achieved that the moment of torsion that moment of torsion that OEC curve is corresponding, the moment of torsion that MAX curve is corresponding, moment of torsion that MIN curve is corresponding are corresponding with motor peak torque curve；According to demand torque at the state-of-charge of battery in vehicle and wheel, and moment of torsion corresponding to OEC curve, moment of torsion that MAX curve is corresponding, moment of torsion that moment of torsion that MIN curve is corresponding is corresponding with motor peak torque curve one of or combination the mode of operation of vehicle is controlled.The present invention can make vehicle be in optimal mode of operation, it is to avoid the frequent switching between pattern, utilizes penalty factor, is modified engine fuel consumption rate according to electromotor and output power of motor, can improve fuel economy and the comfortableness of vehicle.
Description
Technical field
The present invention relates to field of automobile, particularly relate to the control of a kind of bimodulus hybrid vehicle based on penalty factor
Method and apparatus processed.
Background technology
In prior art, the pure engine operating condition of bimodulus hybrid vehicle is to motor power-assisted and the control of driving generating operation mode switching
Method shown in method many employings Fig. 1, Fig. 1 is the schematic diagram of prior art bimodulus method for controlling hybrid power vehicle.Fig. 1
In, 1. Engine Universal Characteristics is divided into by curve I, II, III, IV and V, 2., 3., 4., and 5. and 6. six regions.
1. district is electromotor and driving combined by motor, 2. district's electromotor along the work of optimal fuel economy curve, remaining power by motor
Power-assisted is supplemented, and ③He④ district is that pure electromotor drives operating mode, and 5. district's electromotor is along the work of optimal fuel economy curve, surplus
Power is by electric power generation and supplements to electrokinetic cell, 6. district's engine emission pure electronic operating mode poor, preferential.
Wherein, curve I, III and V can obtain according to test data, and II decides the critical of pure electromotor and motor assistant mode
Point, IV decides the critical point of pure electromotor and driving power generation mode.Currently determine curve II and IV most common method, just
It is to be obtained by scaling method.
But, scaling method disadvantage is exactly that workload is relatively big and optimization cycle is longer, such as during real steering vectors,
The testing time of one measurement condition be more than 20 minutes, can take considerable time when testing multiple composite behaviour, and personnel and
The cooperation of equipment；Scaling method is to be optimized based on professional experiences simultaneously, is difficult to determine the fixed setting of curve, is difficult to look for
Combination to better economy；Further, since the universal characteristic curve of electromotor differs greatly, the curve that scaling method determines
Shape expansion on different engine flats is poor.
Summary of the invention
One of technical problem that the purpose of the present invention is intended to solve in correlation technique the most to a certain extent.
To this end, the first of the present invention purpose is to propose the controlling party of a kind of bimodulus hybrid vehicle based on penalty factor
Method.The method can make vehicle be in optimal mode of operation, avoid the frequent switching between pattern, it is possible to improves vehicle
Fuel economy and comfortableness, additionally the method platform expansion is preferable, and being easier to should on different universal characteristic curve of engine
With.
Second object of the present invention is to propose the control device of a kind of bimodulus hybrid vehicle based on penalty factor.
To achieve these goals, the control of the bimodulus hybrid vehicle based on penalty factor of first aspect present invention embodiment
Method processed, including: according to the real-time rotating speed of wheel at optimal fuel economy curve, engine test bench characteristic curve, electromotor
Low torque curve and the enterprising row interpolation of motor peak torque curve, it is thus achieved that moment of torsion that described optimal fuel economy curve is corresponding,
Moment of torsion that the moment of torsion that described engine test bench characteristic curve is corresponding, described electromotor minimum torque curve are corresponding and described motor peak value
The moment of torsion that torque curve is corresponding；According to demand torque at the state-of-charge of battery in vehicle and wheel, and described optimal fuel oil
The moment of torsion that economy curve is corresponding, the moment of torsion that described engine test bench characteristic curve is corresponding, described electromotor minimum torque curve pair
The moment of torsion that the moment of torsion answered is corresponding with described motor peak torque curve one of or combination the mode of operation of vehicle is controlled.
The control method of the bimodulus hybrid vehicle based on penalty factor of the embodiment of the present invention, exists according to the real-time rotating speed of wheel
Optimal fuel economy curve, engine test bench characteristic curve, electromotor minimum torque curve and motor peak torque curve are enterprising
Row interpolation, it is thus achieved that moment of torsion that optimal fuel economy curve is corresponding, the moment of torsion that engine test bench characteristic curve is corresponding, electromotor are
The moment of torsion that moment of torsion that low torque curve is corresponding is corresponding with motor peak torque curve, then according to the state-of-charge of battery in vehicle
With in demand torque at wheel, and the above-mentioned moment of torsion obtained one of or combination the mode of operation of vehicle is controlled, from
And vehicle can be made to be in optimal mode of operation, avoid the frequent switching between pattern, it is possible to improve the fuel-economy of vehicle
Property and comfortableness, additionally the method platform expansion is preferable, is easier to apply on different universal characteristic curve of engine.
To achieve these goals, the control of the bimodulus hybrid vehicle based on penalty factor of second aspect present invention embodiment
Device processed, including:
Obtain module, for according to the real-time rotating speed of wheel at optimal fuel economy curve, engine test bench characteristic curve, start
Machine minimum torque curve and the enterprising row interpolation of motor peak torque curve, it is thus achieved that the torsion that described optimal fuel economy curve is corresponding
Moment of torsion that square, the moment of torsion that described engine test bench characteristic curve is corresponding, described electromotor minimum torque curve are corresponding and described motor
The moment of torsion that peak torque curve is corresponding；Control module, for according to demand torque at the state-of-charge of battery in vehicle and wheel,
And moment of torsion corresponding to described optimal fuel economy curve, moment of torsion that described engine test bench characteristic curve is corresponding, described in start
The moment of torsion that moment of torsion that machine minimum torque curve is corresponding is corresponding with described motor peak torque curve one of or the combination work to vehicle
Operation mode is controlled.
The control device of the bimodulus hybrid vehicle based on penalty factor of the embodiment of the present invention, it is thus achieved that module is real according to wheel
Time rotating speed at optimal fuel economy curve, engine test bench characteristic curve, electromotor minimum torque curve and motor peak torque
The enterprising row interpolation of curve, it is thus achieved that moment of torsion that optimal fuel economy curve is corresponding, the moment of torsion that engine test bench characteristic curve is corresponding,
The moment of torsion that moment of torsion that electromotor minimum torque curve is corresponding is corresponding with motor peak torque curve, then control module is according to vehicle
In demand torque at the state-of-charge of middle battery and wheel, and the above-mentioned moment of torsion obtained one of or the combination work to vehicle
Pattern is controlled, such that it is able to make vehicle be in optimal mode of operation, avoid the frequent switching between pattern, it is possible to carry
The fuel economy of high vehicle and comfortableness, additionally this apparatus platform expansion is preferable, is easier at different Engine Universal Characteristics
Apply on curve.
Aspect and advantage that the present invention adds will part be given in the following description, and part will become bright from the following description
Aobvious, or recognized by the practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or that add aspect and advantage will be apparent from from the following description of the accompanying drawings of embodiments
With easy to understand, wherein:
Fig. 1 is the schematic diagram of prior art bimodulus method for controlling hybrid power vehicle；
Fig. 2 is the flow chart of one embodiment of control method of present invention bimodulus based on penalty factor hybrid vehicle；
Fig. 3 is the schematic diagram of one embodiment of dynamic structure of bimodulus hybrid vehicle of the present invention；
Fig. 4 is the flow chart of another embodiment of control method of present invention bimodulus based on penalty factor hybrid vehicle；
Fig. 5 is the structural representation controlling one embodiment of device of present invention bimodulus based on penalty factor hybrid vehicle
Figure；
Fig. 6 is the structural representation controlling another embodiment of device of present invention bimodulus based on penalty factor hybrid vehicle
Figure.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.On the contrary, this
All changes, amendment and equivalent in the range of spirit that bright embodiment includes falling into attached claims and intension.
Fig. 2 is the flow chart of one embodiment of control method of present invention bimodulus based on penalty factor hybrid vehicle, as
Shown in Fig. 2, the control method being somebody's turn to do bimodulus hybrid vehicle based on penalty factor may include that
Step 201, according to the real-time rotating speed of wheel at optimal fuel economy (OEC) curve, engine test bench characteristic (MAX)
Curve, electromotor minimum torque (MIN) curve and the enterprising row interpolation of motor peak torque curve, it is thus achieved that OEC curve is corresponding
The moment of torsion that moment of torsion that moment of torsion, the moment of torsion that MAX curve is corresponding, MIN curve are corresponding is corresponding with motor peak torque curve.
Step 202, according to demand torque at the state-of-charge of battery in vehicle and wheel, and moment of torsion corresponding to OEC curve,
Moment of torsion that MAX curve is corresponding, the moment of torsion that the moment of torsion that MIN curve is corresponding is corresponding with motor peak torque curve one of or combine right
The mode of operation of vehicle is controlled.
Specifically, step 202 can be: determining whether battery is according to the state-of-charge of battery in vehicle can discharge condition；
If it is, turn round according to moment of torsion corresponding to demand torque at wheel, moment of torsion that OEC curve is corresponding, MAX curve and motor peak value
The mode of operation of vehicle is controlled by the moment of torsion that square curve is corresponding；If battery be not in can discharge condition, then according to car
Moment of torsion that demand torque at wheel, the moment of torsion that OEC curve is corresponding, moment of torsion that MAX curve is corresponding, MIN curve are corresponding and motor peak
The mode of operation of vehicle is controlled by the moment of torsion that value torque curve is corresponding.
More specifically, according to moment of torsion corresponding to demand torque at wheel, moment of torsion that OEC curve is corresponding, MAX curve and motor peak
The mode of operation of vehicle is controlled by the moment of torsion that value torque curve is corresponding: judge at wheel, whether demand torque is more than
Or the moment of torsion corresponding equal to MAX curve；If it is, demand torque is less than or equal to motor peak torque curve at wheel
During corresponding moment of torsion, control vehicle and enter electric-only mode；At wheel, demand torque is corresponding more than motor peak torque curve
Moment of torsion time, control vehicle enter the first motor assistant mode.
And after judging the moment of torsion that at wheel, demand torque is the most corresponding more than or equal to MAX curve, if demand at wheel
The moment of torsion that moment of torsion is corresponding less than MAX curve, then judge the torsion that at wheel, demand torque is the most corresponding more than or equal to OEC curve
Square；If it is, the engine power calculated respectively under pure engine mode and motor assistant mode and power of motor, and root
According to the engine power under pure engine mode and power of motor, utilize penalty factor to calculate under pure engine mode and punished
The first fuel consumption after penalizing, according to the engine power under motor assistant mode and power of motor, utilizes penalty factor meter
Calculate the second fuel consumption after carrying out punishment under motor assistant mode；Then, it is judged that the first fuel consumption and the second combustion
Whether the absolute value of the difference of specific oil consumption is less than or equal to first threshold；If it is, control vehicle still at work at present mould
Travel under formula, and export current operation mode；If absolute value is more than first threshold, then when the first fuel consumption more than or
During equal to the second fuel consumption, control vehicle and enter the second motor assistant mode；When the first fuel consumption is less than the second combustion
During specific oil consumption, control vehicle and enter the first pure engine mode.
Further, it is judged that after the moment of torsion that at wheel, whether demand torque the most corresponding more than or equal to OEC curve, if wheel
The moment of torsion that place's demand torque is corresponding less than OEC curve, then at wheel, demand torque is less than or equal to motor peak torque curve
During corresponding moment of torsion, control vehicle and enter electric-only mode；At wheel, demand torque is corresponding more than motor peak torque curve
Moment of torsion time, control vehicle enter the first pure engine mode.
More specifically, it is bent according to demand torque at wheel, moment of torsion that OEC curve is corresponding, moment of torsion that MAX curve is corresponding, MIN
The mode of operation of vehicle is controlled by the moment of torsion that moment of torsion that line is corresponding is corresponding with motor peak torque curve: judge car
The moment of torsion that at wheel, demand torque is the most corresponding more than or equal to OEC curve；If it is, at the wheel demand torque less than or
During corresponding equal to MAX curve moment of torsion, control vehicle and enter the first pure engine mode；At wheel, demand torque is more than MAX
During moment of torsion corresponding to curve, control vehicle and enter the second pure engine mode.
And after judging the moment of torsion that at wheel, demand torque is the most corresponding more than or equal to OEC curve, if demand at wheel
The moment of torsion that moment of torsion is corresponding less than OEC curve, then judge the torsion that at wheel, demand torque is the most corresponding more than or equal to MIN curve
Square；If it is not, then control vehicle to enter the second driving power generation mode；If demand torque is bent more than or equal to MIN at wheel
The moment of torsion that line is corresponding, calculates the engine power under pure engine mode and driving power generation mode and power of motor the most respectively, and
According to the engine power under pure engine mode and power of motor, utilize penalty factor to calculate under pure engine mode and carried out
The 3rd fuel consumption after punishment, according to the engine power under driving power generation mode and power of motor, utilizes penalty factor
Calculate the 4th fuel consumption after carrying out punishment under driving power generation mode；Then, it is judged that the 3rd fuel consumption and the 4th
Whether the absolute value of the difference of fuel consumption is less than or equal to Second Threshold；If it is, control vehicle still in work at present
Travel under pattern, and export current operation mode；If absolute value is more than Second Threshold, then it is more than when the 3rd fuel consumption
Or during equal to four fuel consumptions, control vehicle and enter the first driving power generation mode；When the 3rd fuel consumption is less than the 4th
During fuel consumption, control vehicle and enter the first pure engine mode.
Wherein, first threshold and Second Threshold can be demarcated according to engine type and determine, first threshold is permissible with Second Threshold
It is equal, it is also possible to, the size of first threshold and Second Threshold is not made the decisions by the present embodiment.
In the control method of above-mentioned bimodulus hybrid vehicle based on penalty factor, according to the real-time rotating speed of wheel OEC curve,
MAX curve, MIN curve and the enterprising row interpolation of motor peak torque curve, it is thus achieved that moment of torsion that OEC curve is corresponding, MAX curve
Corresponding moment of torsion, the moment of torsion that the moment of torsion that MIN curve is corresponding is corresponding with motor peak torque curve, then according to battery in vehicle
State-of-charge and wheel in demand torque, and the above-mentioned moment of torsion obtained one of or combination the mode of operation of vehicle is entered
Row controls, such that it is able to make vehicle be in optimal mode of operation, avoid the frequent switching between pattern, and utilize penalty factor,
According to electromotor and output power of motor, engine fuel consumption rate is modified, can improve vehicle fuel economy and
Comfortableness, additionally the method platform expansion is preferable, is easier to apply on different universal characteristic curve of engine.
The mode of operation of bimodulus hybrid vehicle can be controlled by the method that embodiment illustrated in fig. 2 of the present invention provides, its
In, the dynamic structure of bimodulus hybrid vehicle can be as it is shown on figure 3, Fig. 3 be the dynamic of bimodulus hybrid vehicle of the present invention
The schematic diagram of one embodiment of power structure.From figure 3, it can be seen that the dynamic structure of bimodulus hybrid vehicle by electromotor,
Automobile start power generation all-in-one machine (Integrated Starter and Generator；Hereinafter referred to as: ISG), clutch C
Form with driving motor；ISG series model when engine start and low speed, driving generating and motor power-assisted are mainly led to
Motor of overdriving realizes.
Fig. 4 is the flow chart of another embodiment of control method of present invention bimodulus based on penalty factor hybrid vehicle,
As shown in Figure 4, the control method being somebody's turn to do bimodulus hybrid vehicle based on penalty factor may include that
Step 401, it is thus achieved that the real-time vehicle velocity V of vehicle, demand torque Tr and real-time rotating speed n at wheele, and vehicle is current
Mode of operation.
Step 402, according to wheel real-time rotating speed neAt optimal fuel economy (OEC) curve, engine test bench characteristic (MAX)
Curve, electromotor minimum torque (MIN) curve and the enterprising row interpolation of motor peak torque curve, it is thus achieved that OEC curve is corresponding
Torque T min that torque T oec, torque T max that MAX curve is corresponding, MIN curve are corresponding is corresponding with motor peak torque curve
Torque T m.
Step 403, according to state-of-charge (the State of Charge of battery in vehicle；Hereinafter referred to as: SOC) determine battery
Whether be in can discharge condition.If it is, perform step 404；If it does not, i.e. battery be not in can discharge condition, and
It is in needing charged state, then performs step 412.
Specifically, be divided into can discharge condition and need charged state for the battery status in vehicle, it may be determined that two SOC varied in size
Value, when the SOC value of battery is more than higher value (such as 30%), it may be determined that battery is can discharge condition；SOC when battery
When value is less than smaller value (such as 25%), it may be determined that battery is for needing charged state；And when the SOC value of battery is in higher value
And time between smaller value, it may be determined that battery keeps previous state.
Step 404, it is judged that whether Tr is more than or equal to Tmax.If it is, perform step 405；If it does not, i.e. Tr is less than
Tmax, then perform step 406.
Step 405, when Tr is less than or equal to Tm, controls vehicle and enters electric-only mode；When Tr is more than Tm, control vehicle
Enter the first motor assistant mode.
Step 406, it is judged that whether Tr is more than or equal to Toec.If it is not, then perform step 411；If it is, i.e. Tr is more than
Or equal to Toec, then can control vehicle and enter pure engine mode, or motor assistant mode, at this moment perform step 407.
Step 407, calculates the engine power under pure engine mode and motor assistant mode and power of motor respectively, and according to
Engine power Pe1 under pure engine mode and power of motor Pm1, utilize penalty factor to calculate under pure engine mode and carry out
Cross the first fuel consumption ge1 after punishment, according to engine power Pe2 under motor assistant mode and power of motor Pm2, profit
The second fuel consumption ge2 after carrying out punishment under motor assistant mode is calculated with penalty factor.
Specifically, under pure engine mode, engine torque Te=Tr, Tm=0, electromotor and power of motor are respectively Pe1
And Pm1；Under motor assistant mode, engine torque Te=Toec, Tm=Tr-Toec, electromotor and power of motor are respectively Pe2
And Pm2.
Under both modes, vehicle wheel rotational speed n it is utilized respectivelyeWith engine torque Te, universal characteristic curve is carried out respectively
Interpolation, it is thus achieved that engine fuel consumption rate g1 and g2；Then utilize Pe1 and Pm1 interpolation in Table 1 to go out △ g1, utilize Pe2 and
Pm2 interpolation in Table 1 goes out △ g2；Finally, calculate the first fuel consumption ge1 after acquisition carried out punishment and the second fuel oil disappears
Consumption rate ge2, wherein ge1=g1+ △ g1, ge2=g2+ △ g2.Table 1 is driving power-assisted penalty factor table, unit: g/kWh.
Table 1
Step 408, it is judged that whether the absolute value of the difference of ge1 Yu ge2 is less than or equal to first threshold.If it is not, then perform step
Rapid 409；If it is, perform step 410.
Wherein, first threshold can be demarcated according to engine type and be determined, the size of first threshold is not made the decisions by the present embodiment.
Step 409, when ge1 is more than or equal to ge2, controls vehicle and enters the second motor assistant mode；When ge1 is less than ge2
Time, control vehicle and enter the first pure engine mode.
Step 410, controls vehicle and still travels under current operation mode, and export current operation mode.
Step 411, when Tr is less than or equal to Tm, controls vehicle and enters electric-only mode；When Tr is more than Tm, control vehicle
Enter the first pure engine mode.
Step 412, it is judged that whether Tr is more than or equal to Toec.If it is, perform step 413；If it is not, then perform step
Rapid 414.
Step 413, when Tr is less than or equal to Tmax, controls vehicle and enters the first pure engine mode；When Tr is more than Tmax
Time, control vehicle and enter the second pure engine mode.
Step 414, it is judged that whether Tr is more than or equal to Tmin.If it is not, then perform step 415；If Tr is more than or equal to
Tmin, then can control vehicle and enter pure engine mode, or driving power generation mode, at this moment perform step 416.
Step 415, controls vehicle and enters the second driving power generation mode.
Step 416, calculate respectively pure engine mode and driving power generation mode under engine power and power of motor, and according to
Engine power Pe3 under pure engine mode and power of motor Pm3, utilize penalty factor to calculate under pure engine mode and carry out
Cross the 3rd fuel consumption ge3 after punishment, according to engine power Pe4 under driving power generation mode and power of motor Pm4, profit
The 4th fuel consumption ge4 after carrying out punishment under driving power generation mode is calculated with penalty factor.
Specifically, under pure engine mode, engine torque Te=Tr, Tm=0, electromotor and power of motor are respectively Pe3
And Pm3；Under driving power generation mode, engine torque Te=Toec, Tm=Toec-Tr, electromotor and power of motor are respectively Pe4
And Pm4.
Under both modes, vehicle wheel rotational speed n it is utilized respectivelyeWith engine torque Te, universal characteristic curve is carried out respectively
Interpolation, it is thus achieved that engine fuel consumption rate g3 and g4；Then utilize Pe3 and Pm3 interpolation in table 2 to go out △ g3, utilize Pe4 and
Pm4 interpolation in table 2 goes out △ g4；Finally calculate and obtain the 3rd fuel consumption ge3 after carrying out punishment and the 4th fuel oil consumption
Rate ge4, wherein ge3=g3+ △ g3, ge4=g4+ △ g4.Table 2 is driving generating penalty factor table, unit: g/kWh.
Table 2
Step 417, it is judged that whether the absolute value of the difference of ge3 Yu ge4 is less than or equal to Second Threshold.If it is, perform step
Rapid 418；If the absolute value of the difference of ge3 Yu ge4 is more than Second Threshold, then perform step 419.
Wherein, Second Threshold can be demarcated according to engine type and determine, Second Threshold can be equal with first threshold, it is possible to
With, the size of first threshold and Second Threshold is not made the decisions by the present embodiment.
Step 418, controls vehicle and still travels under current operation mode, and export current operation mode.
Step 419, when ge3 is more than or equal to ge4, controls vehicle and enters the first driving power generation mode；When ge3 is less than
During ge4, control vehicle and enter the first pure engine mode.
In the present embodiment, under each pattern, parts control method is as shown in table 3, wherein the first motor assistant mode and the second driving
In power generation mode, Motor torque Tm and engine torque Te distribution is not unique, and the method be given in table 3 can ensure that motor is only
Carry, generally applicable；Can be according to motor and electromotor actual parameter, in the case of guaranteeing nonoverload, expanded motor power-assisted and generating
Moment of torsion, makes engine working point closer to OEC curve.
Table 3
| Pattern | Motor and engine target moment of torsion, clutch state |
| Electric-only mode | Te=0, Tm=Tr, clutch separation |
| First pure engine mode | Te=Tr, Tm=0, clutch combines |
| Second pure engine mode | Te=Tmax, Tm=0, clutch combines |
| First motor assistant mode | Te=Tmax, Tm=Tr Tmax, clutch combines |
| Second motor assistant mode | Te=Toec, Tm=Tr Toec, clutch combines |
| First driving power generation mode | Te=Toec, Tm=Toec-Tr, clutch combines |
| Second driving power generation mode | Te=Tmin, Tm=Tmin-Tr, clutch combines |
The control method of above-mentioned bimodulus hybrid vehicle based on penalty factor can make vehicle be in optimal mode of operation,
Avoid the frequent switching between pattern, it is possible to improve fuel economy and comfortableness, additionally the method platform expansion of vehicle
Preferably, it is easier to apply on different universal characteristic curve of engine.
Fig. 5 is the structural representation controlling one embodiment of device of present invention bimodulus based on penalty factor hybrid vehicle
Figure, the control device of the bimodulus hybrid vehicle based on penalty factor in the present embodiment can be arranged in vehicle, it is achieved
The flow process of embodiment illustrated in fig. 2 of the present invention, as it is shown in figure 5, be somebody's turn to do the control of bimodulus hybrid vehicle based on penalty factor
Device may include that acquisition module 51 and control module 52；
Wherein, it is thus achieved that module 51, it is used for according to the real-time rotating speed of wheel at OEC curve, MAX curve, MIN curve and motor
The enterprising row interpolation of peak torque curve, it is thus achieved that moment of torsion that OEC curve is corresponding, the moment of torsion that MAX curve is corresponding, MIN curve are corresponding
The moment of torsion moment of torsion corresponding with motor peak torque curve；
Control module 52, for according to demand torque at the state-of-charge of battery in vehicle and wheel, and OEC curve is corresponding
Moment of torsion, moment of torsion that MAX curve is corresponding, moment of torsion that moment of torsion that MIN curve is corresponding is corresponding with motor peak torque curve one of
Or the mode of operation of vehicle is controlled by combination.
In the control device of above-mentioned bimodulus hybrid vehicle based on penalty factor, it is thus achieved that module 51 is according to the real-time rotating speed of wheel
On optimal fuel economy curve, engine test bench characteristic curve, electromotor minimum torque curve and motor peak torque curve
Carry out interpolation, it is thus achieved that moment of torsion that optimal fuel economy curve is corresponding, the moment of torsion that engine test bench characteristic curve is corresponding, electromotor
The moment of torsion that moment of torsion that minimum torque curve is corresponding is corresponding with motor peak torque curve, then control module 52 is according to electricity in vehicle
In demand torque at the state-of-charge in pond and wheel, and the above-mentioned moment of torsion obtained one of or the combination mode of operation to vehicle
It is controlled, such that it is able to make vehicle be in optimal mode of operation, avoid the frequent switching between pattern, it is possible to improve car
Fuel economy and comfortableness, additionally this apparatus platform expansion is preferable, is easier at different universal characteristic curve of engine
Upper application.
Fig. 6 is the structural representation controlling another embodiment of device of present invention bimodulus based on penalty factor hybrid vehicle
Figure, compared with the control device of the bimodulus hybrid vehicle based on penalty factor shown in Fig. 5, difference is, figure
In the control device of the bimodulus hybrid vehicle based on penalty factor shown in 6, control module 52 includes: judge submodule
521 and Schema control submodule 522；
Wherein, it is judged that submodule 521, for determining whether battery is in the shape that can discharge according to the state-of-charge of battery in vehicle
State；
Schema control submodule 522, for when judge submodule 521 determine battery be in can discharge condition time, according to wheel
The moment of torsion pair that place's demand torque, moment of torsion that OEC curve is corresponding, moment of torsion that MAX curve is corresponding are corresponding with motor peak torque curve
The mode of operation of vehicle is controlled；When judge submodule 521 determine battery be not in can discharge condition time, according to wheel
Moment of torsion that place's demand torque, moment of torsion that OEC curve is corresponding, moment of torsion that MAX curve is corresponding, MIN curve are corresponding and motor peak value
The mode of operation of vehicle is controlled by the moment of torsion that torque curve is corresponding.
In a kind of implementation of the present embodiment, more specifically, it is judged that submodule 521, it is additionally operable to judge that at wheel, demand is turned round
The moment of torsion that square is the most corresponding more than or equal to MAX curve；At this moment, Schema control submodule 522, specifically for when judging son
When module 521 determines the moment of torsion that at wheel, demand torque is corresponding more than or equal to MAX curve, if demand torque is little at wheel
In or equal to moment of torsion corresponding to motor peak torque curve, then control vehicle and enter electric-only mode；If demand is turned round at wheel
The moment of torsion that square is corresponding more than motor peak torque curve, then control vehicle and enter the first motor assistant mode.
Further, control module 52 can also include: calculating sub module 523；
Judge submodule 521, be additionally operable to when determining the moment of torsion that at wheel, demand torque is corresponding less than MAX curve, it is judged that car
The moment of torsion that at wheel, demand torque is the most corresponding more than or equal to OEC curve；
Calculating sub module 523, for when judging that submodule 521 determines that at wheel, demand torque is more than or equal to OEC curve pair
During the moment of torsion answered, calculate the engine power under pure engine mode and motor assistant mode and power of motor respectively, and according to
Engine power under pure engine mode and power of motor, utilize penalty factor to calculate under pure engine mode and carried out punishment
After the first fuel consumption, according to the engine power under motor assistant mode and power of motor, utilize penalty factor to calculate
The second fuel consumption after punishment was carried out under motor assistant mode；
Judge submodule 521, whether be additionally operable to judge the absolute value of the first fuel consumption and the difference of the second fuel consumption
Less than or equal to first threshold；
Schema control submodule 522, specifically for when judging that submodule 521 determines that above-mentioned absolute value is less than or equal to the first threshold
During value, control vehicle and still travel under current operation mode, and export current operation mode；When judging that submodule 521 determines
When above-mentioned absolute value is more than first threshold, if the first fuel consumption is more than or equal to the second fuel consumption, then control car
Enter the second motor assistant mode；If the first fuel consumption is less than the second fuel consumption, then controls vehicle and enter the
One pure engine mode.
Further, Schema control submodule 522, it is additionally operable to when judging that submodule 521 determines that at wheel, demand torque is less than
During moment of torsion corresponding to OEC curve, if the moment of torsion that at wheel, demand torque is corresponding less than or equal to motor peak torque curve,
Then control vehicle and enter electric-only mode；If the moment of torsion that at wheel, demand torque is corresponding more than motor peak torque curve, then
Control vehicle and enter the first pure engine mode.
In the another kind of implementation of the present embodiment, more specifically, it is judged that submodule 521, it is additionally operable to judge demand at wheel
The moment of torsion that moment of torsion is the most corresponding more than or equal to OEC curve；
Schema control submodule 522, during specifically for demand torque at wheel more than or equal to moment of torsion corresponding to OEC curve,
If the moment of torsion that at wheel, demand torque is corresponding less than or equal to MAX curve, then control vehicle and enter the first pure engine mode；
If the moment of torsion that at wheel, demand torque is corresponding more than MAX curve, then control vehicle and enter the second pure engine mode.
Further, it is judged that submodule 521, it is additionally operable to when the moment of torsion determining that at wheel, demand torque is corresponding less than OEC curve
Time, it is judged that the moment of torsion that at wheel, demand torque is the most corresponding more than or equal to MIN curve；
Schema control submodule 522, specifically for when judging that submodule 521 determines that at wheel, demand torque is less than MIN curve
During corresponding moment of torsion, control vehicle and enter the second driving power generation mode；
Calculating sub module 523, for when judging that submodule 521 determines that at wheel, demand torque is more than or equal to MIN curve pair
During the moment of torsion answered, calculate respectively pure engine mode and driving power generation mode under engine power and power of motor, and according to
Engine power under pure engine mode and power of motor, utilize penalty factor to calculate under pure engine mode and carried out punishment
After the 3rd fuel consumption, according to driving power generation mode under engine power and power of motor, utilize penalty factor to calculate
The 4th fuel consumption after punishment was carried out under driving power generation mode；
Judge submodule 521, whether be additionally operable to judge the absolute value of the 3rd fuel consumption and the difference of the 4th fuel consumption
Less than or equal to Second Threshold；
Schema control submodule 522, is used for when judging that submodule 521 determines above-mentioned absolute value less than or equal to Second Threshold,
Control vehicle still to travel under current operation mode, and export current operation mode；When judge submodule 521 determine above-mentioned absolutely
During to value more than Second Threshold, if the 3rd fuel consumption is more than or equal to the 4th fuel consumption, then controls vehicle and enter
First driving power generation mode；If the 3rd fuel consumption is less than the 4th fuel consumption, then controls vehicle and enter first pure
Motivation pattern.
Wherein, first threshold and Second Threshold can be demarcated according to engine type and determine, first threshold is permissible with Second Threshold
It is equal, it is also possible to, the size of first threshold and Second Threshold is not made the decisions by the present embodiment.
Above-mentioned bimodulus hybrid vehicle based on penalty factor control device can make vehicle be in optimal mode of operation,
Avoid the frequent switching between pattern, and utilize penalty factor, according to electromotor and output power of motor to engine fuel consumption
Rate is modified, and can improve fuel economy and the comfortableness of vehicle, and additionally this apparatus platform expansion is preferable, is easier to
Apply on different universal characteristic curve of engine.
It should be noted that in describing the invention, term " first ", " second " etc. are only used for describing purpose, and
It is not intended that instruction or hint relative importance.Additionally, in describing the invention, except as otherwise noted, " multiple "
It is meant that two or more.
In flow chart or at this, any process described otherwise above or method description are construed as, and represent and include one
Or the module of code, fragment or the part of the executable instruction of the more step for realizing specific logical function or process,
And the scope of the preferred embodiment of the present invention includes other realization, wherein can not press order that is shown or that discuss,
Including according to involved function by basic mode simultaneously or in the opposite order, performing function, this should be by the present invention's
Embodiment person of ordinary skill in the field understood.
Should be appreciated that each several part of the present invention can realize by hardware, software, firmware or combinations thereof.In above-mentioned reality
Execute in mode, software that multiple steps or method in memory and can be performed by suitable instruction execution system with storage or
Firmware realizes.Such as, if realized with hardware, with the most the same, available well known in the art under
Any one or their combination in row technology realize: have the logic gates for data signal realizes logic function
Discrete logic, there is the special IC of suitable combination logic gate circuit, programmable gate array
(Programmable Gate Array；Hereinafter referred to as: PGA), field programmable gate array (Field Programmable
Gate Array；Hereinafter referred to as: FPGA) etc..
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is can
Completing instructing relevant hardware by program, described program can be stored in a kind of computer-readable recording medium,
This program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, each functional module in each embodiment of the present invention can be integrated in a processing module, it is also possible to be each
Module is individually physically present, it is also possible to two or more modules are integrated in a module.Above-mentioned integrated module both may be used
To use the form of hardware to realize, it would however also be possible to employ the form of software function module realizes.If described integrated module is with soft
The form of part functional module realizes and as independent production marketing or when using, it is also possible to be stored in an embodied on computer readable
In storage medium.
Storage medium mentioned above can be read only memory, disk or CD etc..
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete example ",
Or specific features, structure, material or the feature that the description of " some examples " etc. means to combine this embodiment or example describes
It is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is differed
Surely identical embodiment or example are referred to.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary,
Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, revises, replaces and modification.
Claims (14)
1. the control method of a bimodulus hybrid vehicle based on penalty factor, it is characterised in that including:
According to the real-time rotating speed of wheel at optimal fuel economy curve, engine test bench characteristic curve, electromotor minimum torque curve
With the motor enterprising row interpolation of peak torque curve, it is thus achieved that the moment of torsion that described optimal fuel economy curve is corresponding, described electromotor
Moment of torsion that the moment of torsion that external characteristic curve is corresponding, described electromotor minimum torque curve are corresponding and described motor peak torque curve pair
The moment of torsion answered；
According to demand torque at the state-of-charge of battery in vehicle and wheel, and described optimal fuel economy curve is corresponding
Moment of torsion that moment of torsion, the moment of torsion that described engine test bench characteristic curve is corresponding, described electromotor minimum torque curve are corresponding and described electricity
The moment of torsion that machine peak torque curve is corresponding one of or combination the mode of operation of vehicle is controlled.
Method the most according to claim 1, it is characterised in that described according to the state-of-charge of battery in vehicle and wheel
Place's demand torque, and moment of torsion corresponding to described optimal fuel economy curve, torsion that described engine test bench characteristic curve is corresponding
The moment of torsion that moment of torsion that square, described electromotor minimum torque curve are corresponding is corresponding with described motor peak torque curve one of or group
Close the mode of operation to vehicle to be controlled including:
Determining whether described battery is according to the state-of-charge of battery in vehicle can discharge condition；
If it is, according to demand torque at described wheel, moment of torsion that described optimal fuel economy curve is corresponding, described
The mode of operation of vehicle is controlled by the moment of torsion that moment of torsion that motivation external characteristic curve is corresponding is corresponding with described motor peak torque curve
System；
If described battery be not in can discharge condition, then according to demand torque, described optimal fuel-economy at described wheel
The moment of torsion that linearity curve is corresponding, the moment of torsion that described engine test bench characteristic curve is corresponding, described electromotor minimum torque curve are corresponding
The mode of operation of vehicle is controlled by the moment of torsion that moment of torsion is corresponding with described motor peak torque curve.
Method the most according to claim 2, it is characterised in that described according to demand torque at described wheel, described
Moment of torsion and described motor peak torque that the moment of torsion that good fuel economy curve is corresponding, described engine test bench characteristic curve are corresponding are bent
The mode of operation of vehicle is controlled including by the moment of torsion that line is corresponding:
Judge the moment of torsion that at described wheel, demand torque is the most corresponding more than or equal to described engine test bench characteristic curve；
During if it is, demand torque is less than or equal to moment of torsion corresponding to described motor peak torque curve at described wheel,
Control described vehicle and enter electric-only mode；At described wheel, demand torque is corresponding more than described motor peak torque curve
During moment of torsion, control described vehicle and enter the first motor assistant mode.
Method the most according to claim 3, it is characterised in that described judge at described wheel, whether demand torque is more than
Or after the moment of torsion corresponding equal to described engine test bench characteristic curve, also include:
If the moment of torsion that at described wheel, demand torque is corresponding less than described engine test bench characteristic curve, then judge at described wheel
The moment of torsion that demand torque is the most corresponding more than or equal to described optimal fuel economy curve；
If it is, the engine power calculated respectively under pure engine mode and motor assistant mode and power of motor, and root
According to the engine power under described pure engine mode and power of motor, penalty factor is utilized to calculate under described pure engine mode
Carried out the first fuel consumption after punishment, according to the engine power under described motor assistant mode and power of motor, profit
The second fuel consumption after carrying out punishment under described motor assistant mode is calculated with penalty factor；
Judge that whether described first fuel consumption absolute value with the difference of described second fuel consumption is less than or equal to first
Threshold value；
Still travel under current operation mode if it is, control described vehicle, and export current operation mode；
If described absolute value is more than described first threshold, then when described first fuel consumption is more than or equal to described second combustion
During specific oil consumption, control described vehicle and enter the second motor assistant mode；When described first fuel consumption is less than described second
During fuel consumption, control described vehicle and enter the first pure engine mode.
Method the most according to claim 4, it is characterised in that described judge at described wheel, whether demand torque is more than
Or after the moment of torsion corresponding equal to described optimal fuel economy curve, also include:
If the moment of torsion that at described wheel, demand torque is corresponding less than described optimal fuel economy curve, then at described wheel
When demand torque is less than or equal to moment of torsion corresponding to described motor peak torque curve, controls described vehicle and enter electric-only mode；
During the moment of torsion that demand torque is corresponding more than described motor peak torque curve at described wheel, control described vehicle and enter first
Pure engine mode.
Method the most according to claim 2, it is characterised in that described according to demand torque at described wheel, described
The moment of torsion that good fuel economy curve is corresponding, the moment of torsion that described engine test bench characteristic curve is corresponding, described electromotor minimum torque
The mode of operation of vehicle is controlled including by the moment of torsion that moment of torsion that curve is corresponding is corresponding with described motor peak torque curve:
Judge the moment of torsion that at described wheel, demand torque is the most corresponding more than or equal to described optimal fuel economy curve；
During if it is, demand torque is less than or equal to moment of torsion corresponding to described engine test bench characteristic curve at described wheel,
Control described vehicle and enter the first pure engine mode；At described wheel, demand torque is more than described engine test bench characteristic curve
During corresponding moment of torsion, control described vehicle and enter the second pure engine mode.
Method the most according to claim 6, it is characterised in that described judge at described wheel, whether demand torque is more than
Or after the moment of torsion corresponding equal to described optimal fuel economy curve, also include:
If the moment of torsion that at described wheel, demand torque is corresponding less than described optimal fuel economy curve, then judge described wheel
The moment of torsion that place's demand torque is the most corresponding more than or equal to described electromotor minimum torque curve；
If it is not, then control described vehicle to enter the second driving power generation mode；
If the moment of torsion that at described wheel, demand torque is corresponding more than or equal to described electromotor minimum torque curve, count the most respectively
Calculate the engine power under pure engine mode and driving power generation mode and power of motor, and according under described pure engine mode
Engine power and power of motor, utilize penalty factor to calculate under described pure engine mode to carry out the 3rd combustion after punishment
Specific oil consumption, according to the engine power under described driving power generation mode and power of motor, utilizes penalty factor to calculate described row
The 4th fuel consumption after punishment was carried out under car power generation mode；
Judge that whether described 3rd fuel consumption absolute value with the difference of described 4th fuel consumption is less than or equal to second
Threshold value；
Still travel under current operation mode if it is, control described vehicle, and export current operation mode；
If described absolute value is more than described Second Threshold, then when described 3rd fuel consumption is more than or equal to described 4th combustion
During specific oil consumption, control described vehicle and enter the first driving power generation mode；When described 3rd fuel consumption is less than the described 4th
During fuel consumption, control described vehicle and enter the first pure engine mode.
8. the control device of a bimodulus hybrid vehicle based on penalty factor, it is characterised in that including:
Obtain module, for according to the real-time rotating speed of wheel at optimal fuel economy curve, engine test bench characteristic curve, start
Machine minimum torque curve and the enterprising row interpolation of motor peak torque curve, it is thus achieved that the torsion that described optimal fuel economy curve is corresponding
Moment of torsion that square, the moment of torsion that described engine test bench characteristic curve is corresponding, described electromotor minimum torque curve are corresponding and described motor
The moment of torsion that peak torque curve is corresponding；
Control module, for according to demand torque at the state-of-charge of battery in vehicle and wheel, and described optimal fuel oil warp
The moment of torsion that Ji linearity curve is corresponding, the moment of torsion that described engine test bench characteristic curve is corresponding, described electromotor minimum torque curve are corresponding
The moment of torsion moment of torsion corresponding with described motor peak torque curve one of or combination the mode of operation of vehicle is controlled.
Device the most according to claim 8, it is characterised in that described control module includes:
Judge submodule, can discharge condition for determining whether described battery is according to the state-of-charge of battery in vehicle；
Schema control submodule, for when described judgement submodule determine described battery be in can discharge condition time, according to described
Demand torque at wheel, the moment of torsion that described optimal fuel economy curve is corresponding, torsion that described engine test bench characteristic curve is corresponding
The mode of operation of vehicle is controlled by the moment of torsion that square is corresponding with described motor peak torque curve；When described judgement submodule is true
Fixed described battery be not in can discharge condition time, according to demand torque, described optimal fuel economy curve at described wheel
Moment of torsion that corresponding moment of torsion, the moment of torsion that described engine test bench characteristic curve is corresponding, described electromotor minimum torque curve are corresponding and
The mode of operation of vehicle is controlled by the moment of torsion that described motor peak torque curve is corresponding.
Device the most according to claim 9, it is characterised in that
Described judgement submodule, is additionally operable to judge that at described wheel, whether demand torque is more than or equal to described engine test bench characteristic
The moment of torsion that curve is corresponding；
Described Schema control submodule, specifically for when described judgement submodule determine at described wheel demand torque more than or etc.
When the moment of torsion that described engine test bench characteristic curve is corresponding, if demand torque is less than or equal to described motor peak at described wheel
The moment of torsion that value torque curve is corresponding, then control described vehicle and enter electric-only mode；If demand torque is more than at described wheel
The moment of torsion that described motor peak torque curve is corresponding, then control described vehicle and enter the first motor assistant mode.
11. devices according to claim 10, it is characterised in that described control module also includes: calculating sub module；
Described judgement submodule, is additionally operable to when determining that at described wheel, demand torque is corresponding less than described engine test bench characteristic curve
Moment of torsion time, it is judged that the moment of torsion that at described wheel, whether demand torque the most corresponding more than or equal to described optimal fuel economy curve；
Described calculating sub module, for when described judgement submodule determine at described wheel demand torque more than or equal to described
During moment of torsion corresponding to good fuel economy curve, calculate the engine power under pure engine mode and motor assistant mode respectively
And power of motor, and according to the engine power under described pure engine mode and power of motor, penalty factor is utilized to calculate institute
State the first fuel consumption after carrying out punishment under pure engine mode, according to the electromotor merit under described motor assistant mode
Rate and power of motor, utilize penalty factor to calculate under described motor assistant mode and carried out the second fuel consumption after punishing；
Described judgement submodule, is additionally operable to judge the exhausted of described first fuel consumption and the difference of described second fuel consumption
To value whether less than or equal to first threshold；
When described judgement submodule, described Schema control submodule, specifically for determining that described absolute value is less than or equal to the first threshold
During value, control described vehicle and still travel under current operation mode, and export current operation mode；When described judgement submodule
When determining described absolute value more than described first threshold, if described first fuel consumption is more than or equal to described second fuel oil
Consumption rate, then control described vehicle and enter the second motor assistant mode；If described first fuel consumption is less than described second
Fuel consumption, then control described vehicle and enter the first pure engine mode.
12. devices according to claim 11, it is characterised in that
Described Schema control submodule, be additionally operable to when described judgement submodule determine at described wheel demand torque less than described
During moment of torsion corresponding to good fuel economy curve, if demand torque is less than or equal to described motor peak torque at described wheel
The moment of torsion that curve is corresponding, then control described vehicle and enter electric-only mode；If demand torque is more than described electricity at described wheel
The moment of torsion that machine peak torque curve is corresponding, then control described vehicle and enter the first pure engine mode.
13. devices according to claim 9, it is characterised in that
Described judgement submodule, is additionally operable to judge that at described wheel, whether demand torque is more than or equal to described optimal fuel-economy
The moment of torsion that linearity curve is corresponding；
Described Schema control submodule, specifically for demand torque at described wheel more than or equal to described optimal fuel-economy
During moment of torsion corresponding to linearity curve, if demand torque is corresponding less than or equal to described engine test bench characteristic curve at described wheel
Moment of torsion, then control described vehicle and enter the first pure engine mode；If demand torque is more than described electromotor at described wheel
The moment of torsion that external characteristic curve is corresponding, then control described vehicle and enter the second pure engine mode.
14. devices according to claim 13, it is characterised in that described control module also includes: calculating sub module；
Described judgement submodule, is additionally operable to when determining that at described wheel, demand torque is less than described optimal fuel economy curve pair
During the moment of torsion answered, it is judged that the torsion that at described wheel, demand torque is the most corresponding more than or equal to described electromotor minimum torque curve
Square；
When described judgement submodule, described Schema control submodule, specifically for determining that at described wheel, demand torque is less than described
During moment of torsion corresponding to electromotor minimum torque curve, control described vehicle and enter the second driving power generation mode；
When described judgement submodule, described calculating sub module, for determining that at described wheel, demand torque is more than or equal to described
During moment of torsion corresponding to motivation minimum torque curve, calculate the engine power under pure engine mode and driving power generation mode respectively
And power of motor, and according to the engine power under described pure engine mode and power of motor, penalty factor is utilized to calculate institute
State the 3rd fuel consumption after carrying out punishment under pure engine mode, according to the electromotor merit under described driving power generation mode
Rate and power of motor, utilize penalty factor to calculate under described driving power generation mode and carried out the 4th fuel consumption after punishing；
Described judgement submodule, is additionally operable to judge the exhausted of described 3rd fuel consumption and the difference of described 4th fuel consumption
To value whether less than or equal to Second Threshold；
Described Schema control submodule, is used for when described judgement submodule determines described absolute value less than or equal to Second Threshold,
Control described vehicle still to travel under current operation mode, and export current operation mode；When described judgement submodule determines institute
When stating absolute value more than described Second Threshold, if described 3rd fuel consumption is more than or equal to described 4th fuel consumption,
Then control described vehicle and enter the first driving power generation mode；If described 3rd fuel consumption is less than described 4th fuel oil consumption
Rate, then control described vehicle and enter the first pure engine mode.
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| CN111645666A (en) * | 2019-09-20 | 2020-09-11 | 长城汽车股份有限公司 | Torque control method and control device for engine |
| CN112009452B (en) * | 2020-10-13 | 2020-12-29 | 北京理工华创电动车技术有限公司 | Control method of double-motor multi-gear coupling driving system |
| CN113183944A (en) * | 2021-04-20 | 2021-07-30 | 东风汽车集团股份有限公司 | Method and apparatus for determining driver demanded drive and creep torque |
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| CN102897214A (en) * | 2012-10-18 | 2013-01-30 | 杨伟斌 | Method for analyzing torque required by driver |
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| CN111645666A (en) * | 2019-09-20 | 2020-09-11 | 长城汽车股份有限公司 | Torque control method and control device for engine |
| CN111152774A (en) * | 2020-01-09 | 2020-05-15 | 宁波吉利汽车研究开发有限公司 | Hybrid vehicle energy management method, hybrid vehicle energy management device, electronic equipment and storage medium |
| CN112009452B (en) * | 2020-10-13 | 2020-12-29 | 北京理工华创电动车技术有限公司 | Control method of double-motor multi-gear coupling driving system |
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