CN107878447B - Sliding rub of hybrid vehicle starts the control method of engine and shift coordination - Google Patents
Sliding rub of hybrid vehicle starts the control method of engine and shift coordination Download PDFInfo
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- CN107878447B CN107878447B CN201711080718.6A CN201711080718A CN107878447B CN 107878447 B CN107878447 B CN 107878447B CN 201711080718 A CN201711080718 A CN 201711080718A CN 107878447 B CN107878447 B CN 107878447B
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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
- B60K6/22—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 apparatus, components or means specially adapted for HEVs
- B60K6/36—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 apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—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 apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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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
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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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
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
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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
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
- B60W10/115—Stepped gearings with planetary gears
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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
- B60W20/30—Control strategies involving selection of transmission gear ratio
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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
- B60W20/40—Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
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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
- 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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- 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
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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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/02—Clutches
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0666—Engine torque
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/081—Speed
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
- B60W2710/1005—Transmission ratio engaged
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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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- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of sliding rub of hybrid vehicle to start the control method of engine and shift coordination, pure electric vehicle is in vehicle to run at a low speed and under second brake (B2) lockup state, determine whether user needs to carry out anxious acceleration operation, if, then sliding rub of vehicle control unit controls second clutch (C1) starts engine and small machine (E1) realization shift while carrying out, until the first brake (B1) locking and second clutch (C1) closure, vehicle is in hybrid power driving driving status.The method of the present invention can effectively solve the problems, such as that sliding rub starts engine and conflict with shift, and vehicle dynamic property and ride comfort, raising vehicle ride comfort is greatly improved in the response time of shortening vehicle torque.
Description
Technical field
The present invention relates to the control fields of hybrid vehicle, more particularly, to a kind of sliding starting hair that rubs of hybrid vehicle
The control method that motivation and shift are coordinated.
Background technique
With the growth of demographic and economic, energy and environmental problem promotes various countries to tap a new source of energy automobile, energy saving and environment friendly
The vehicles.Hybrid vehicle energy-saving and environmental protection have a vast market space and good development prospect.
Hybrid vehicle has start-stop function of engine, and the operating condition for starting engine is very frequent, while being terrible
To better oil consumption, clutch and brake will increase, realize gearshift function, optimize the operating point of engine.Therefore, hair is started
The influence of motivation and shift to dynamic property and economy is most important.
In the prior art, the entire car controller of hybrid power system can be according to battery capacity, the power of battery, gas pedal
Aperture and speed signal start engine opportunity to determine, are determined whether to shift gears according to the Shifting of formulation, and work as
When the opportunity and shift for starting engine meet simultaneously, a priority can be set to determine the strategy preferentially carried out.And it sets
The method of priority has only arbitrated the low strategy of priority, and there is no fundamentally solve to start what engine conflicted with shift
Problem, and hydraulic system is discontinuous carries out sliding rub and start engine and operation shifting element, serious to affect vehicle dynamic
Power and ride comfort.
Summary of the invention
For prior art defect, the present invention is intended to provide a kind of sliding rub of hybrid vehicle starts engine and shift association
The control method of tune can effectively solve the problems, such as that sliding rub starts engine and conflict with shift, the response time of shortening vehicle torque,
Vehicle dynamic property and ride comfort is greatly improved.
The present invention is realized by the following scheme:
A kind of sliding rub of hybrid vehicle starts the control method of engine and shift coordination, and it is low to be in pure electric vehicle in vehicle
Under speed traveling and second brake B2 lockup state, determine whether user needs to carry out anxious acceleration operation, if so, entire car controller
Sliding rub of control second clutch C1 starts engine and small machine E1 realization shift while carrying out, until the first brake B1 locking
And second clutch C1 is closed, vehicle is in hybrid power driving driving status；
A, sliding rub of second clutch C1 starts engine and sequentially includes the following steps:
S1: second clutch C1 pressure regulator valve electric current is arranged according to pre-charge curve in entire car controller, controls second clutch
C1 is in contact dotted state, carries out pre-oiling to second clutch C1, after the completion of second clutch C1 pre-oiling, executes step
S2；
S2: entire car controller increases second clutch C1 pressure regulator valve electric current, and control second clutch C1 is in sliding state of rubbing,
Increase the torque of expanded motor E2 simultaneously, the big increased torque of motor E2 drags forwarding motivation by sliding rub of second clutch, works as vehicle
When controller detects that engine speed is greater than preset engine oil spout fire speed threshold value A, step S3 is executed；Wherein, in advance
If engine oil spout fire speed threshold value A be generally 400~500rpm；
S3: entire car controller reduces second clutch C1 pressure regulator valve electric current, and control second clutch C1 restores to contact point
State executes step S4 later；
S4: entire car controller sends oil spout ignition order to engine controller, engine controller control by CAN bus
System executes oil spout ignition order, after engine oil spout is lighted a fire successfully, executes step S5；
S5: entire car controller sends preset engine torque request threshold value B to engine controller by CAN bus,
Engine controller controls engine promotes rapidly revolving speed under no-load condition, if engine speed is greater than big motor E2 revolving speed,
Then it is performed simultaneously step S5 and S6；Wherein, preset engine torque request threshold value B can be determined according to the actual situation, with
Guarantee that engine promotes rapidly revolving speed under no-load condition, under normal circumstances, it is only necessary to which lesser preset engine torque is asked
Threshold value B is sought, engine speed is just promoted quickly, known according to test data, and preset engine torque request threshold value B is 5
~10Nm；
S6: entire car controller increases second clutch C1 pressure regulator valve electric current, and preset engine torque request threshold value B passes through
Sliding rub of second clutch C1 is transferred on big motor E2 motor shaft to promote big motor speed, if big motor E2 revolving speed and engine
Rotating speed difference is less than 100rpm, thens follow the steps S7；
S7: entire car controller continues to increase second clutch C1 pressure regulator valve electric current, until second clutch C1 is closed；
B, small machine E1 realizes shift steps specifically:
S8: entire car controller reduces second brake B2 pressure regulator valve electric current, opens second brake B2, until the second braking
Device B2 is fully opened, and executes step S9 later；
S9: entire car controller controls drop according to preset accelerating curve range C and in such a way that acceleration gradually successively decreases
The planet carrier revolving speed of low first single planetary row PG1, if the planet carrier revolving speed of the first single planetary row PG1 is 0 and stablizes, is held to 0
Row step S10；Wherein, preset accelerating curve range C can be appropriate according to different vehicles and matched hybrid power system
Adjustment, be subject to meet the first single planetary row PG1 planet carrier revolving speed it is very fast and be smoothly reduced to 0, obtained according to test data
Know, effect is preferable when preset accelerating curve range C is 12~40rpm/10ms.
S10: entire car controller increases the first brake B1 electromagnetic valve current, until the first brake B1 locking.
Whether the user needs to carry out the anxious judgment basis for accelerating operation to be that the vehicle that entire car controller receives is current
Gas pedal, speed signal and battery capacity signal.
Sliding rub of hybrid vehicle of the invention starts the control method of engine and shift coordination, by using big motor
Sliding rub of E2 and first clutch C1 starts engine, can not only improve starting shake, and being capable of quick start engine.Together
When small machine E1 adjust motor operating point, pass through locking the first brake B1, realize crash change of speed function.
Compared with prior art, sliding rub of hybrid vehicle of the invention starts the controlling party of engine and shift coordination
Method has the advantage that
1, sliding rub of control second clutch C1 starts engine and small machine E1 realization shift while carrying out, and engine rises
It is dynamic to be independent of each other with shift process, it fundamentally solves through clutch start engine and shift collision problem, larger journey
Degree shorten hybrid electric vehicle engine start and shift time, entire car controller can quick response vehicle torque request
And calculate on the corresponding torque to engine controller and electric machine controller of distribution, give full play to the performance of hybrid power system
With structural advantage, while in the whole process, power failure-free situation occurs, and guarantees the good smooth of Vehicle Shifting
Property, improve vehicle ride comfort；
2, by increasing second clutch pressure regulator valve electric current, preset engine torque passes through the sliding biography of rubbing of second clutch C1
It is handed on big motor E2 motor shaft, it is ensured that second clutch C1 transmits torque direction consistency, and second clutch C1 is inhibited to pass
Torque delivery commutation bring shake；
3, engine is started by sliding rub of second clutch, the time for starting engine can be shortened, it is ensured that start every time
The consistency of effect；
4, shake bring when maskable engine ignition influences, and has good comfort；
5, there is no particular/special requirement to clutch, brake and hydraulic system, three Hydraulic Elements, this hair can be operated simultaneously
Bright method does not operate first clutch C0 and second clutch C1 simultaneously, and difficulty reduces, and practicability is stronger；
6, it being not required to increase additional hardware, software adjustment is few, saves cost, and it is lower to the response time requirement of Motor torque,
Engine and hydraulic system are not specially required, conventional engines is may be directly applied to and does in the project of hybrid dynamic system, is applicable in
A variety of hybrid vehicles that engine is started using clutch slipping, has automatic gear change function, it is widely applicable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the hybrid power system that the present invention uses；
Fig. 2 is that sliding rub of hybrid vehicle starts the control general flow chart of the control method of engine and shift coordination.
Specific embodiment
The invention will be further described with reference to embodiments, but the invention is not limited to the statements of embodiment.
The structural schematic diagram for the hybrid power system that the present invention uses is as shown in Figure 1, its main component includes: engine
ICE, small machine E1, big motor E2, the first single planetary row PG1, the second single planetary row PG2, first clutch C0, second clutch
C1, the first brake B1, second brake B2, gearbox main reducing gear 3 and differential mechanism 2, after engine ICE connection input shaft 1
Pass through the planet carrier PC1 of the first single planetary row of first clutch C0 connection PG1 respectively, by the second list of second clutch C1 connection
The sun gear S2 of planet row PG2, big motor E2 are connect with the sun gear S2 of the second single planetary row PG2, and small machine E1 and first is single
The sun gear S1 connection of planet row PG1, the planet carrier PC1 of first brake B1 the first single planetary row of locking PG1, second brake
Gear ring R2 the first single planetary row of connection PG1's of the sun gear S1, the second single planetary row PG2 of the first single planetary row of B2 locking PG1
Planet carrier PC1, the gear ring R1 of the first single planetary row PG1 connect speed change after being connected with the planet carrier PC2 of the second single planetary row PG2
Case main reducing gear 3,3 connected with differential 2 of gearbox main reducing gear.
Embodiment 1
A kind of sliding rub of hybrid vehicle starts the control method of engine and shift coordination, and control general flow chart is as schemed
Shown in 2, pure electric vehicle is in vehicle and is run at a low speed and under second brake B2 lockup state, according to receiving for entire car controller
Current gas pedal, speed signal and the battery capacity signal of vehicle, determine user whether need to carry out it is anxious accelerate operation, if
It is that then sliding rub of vehicle control unit controls second clutch C1 starts engine and small machine E1 realization shift while carrying out, up to
First brake B1 locking and second clutch C1 closure, vehicle are in hybrid power driving driving status；
A, sliding rub of second clutch starts engine and sequentially includes the following steps:
S1: second clutch C1 pressure regulator valve electric current is arranged according to pre-charge curve in entire car controller, controls second clutch
C1 is in contact dotted state, carries out pre-oiling to second clutch C1, after the completion of second clutch C1 pre-oiling, executes step
S2；
S2: entire car controller increases second clutch C1 pressure regulator valve electric current, and control second clutch C1 is in sliding state of rubbing,
Increase the torque of expanded motor E2 simultaneously, the big increased torque of motor E2 drags forwarding motivation by sliding rub of second clutch, works as vehicle
When controller detects that engine speed is greater than preset engine oil spout fire speed threshold value A, step S3 is executed；Wherein, in advance
If engine oil spout fire speed threshold value A be 400rpm；
S3: entire car controller reduces second clutch C1 pressure regulator valve electric current, and control second clutch C1 restores to contact point
State executes step S4 later；
S4: entire car controller sends oil spout ignition order to engine controller, engine controller control by CAN bus
System executes oil spout ignition order, after engine oil spout is lighted a fire successfully, executes step S5；
S5: entire car controller sends preset engine torque request threshold value B to engine controller by CAN bus,
Engine controller controls engine promotes rapidly revolving speed under no-load condition, if engine speed is greater than big motor E2 revolving speed,
Then it is performed simultaneously step S5 and S6；Wherein, preset engine torque request threshold value B is 5Nm；
S6: entire car controller increases second clutch C1 pressure regulator valve electric current, and preset engine torque request threshold value B passes through
Sliding rub of second clutch C1 is transferred on big motor E2 motor shaft to promote big motor speed, if big motor E2 revolving speed and engine
Rotating speed difference is less than 100rpm, thens follow the steps S7；Wherein, preset engine torque request threshold value B is 5Nm；
S7: entire car controller continues to increase second clutch C1 pressure regulator valve electric current, until second clutch C1 is closed；
B, small machine E1 realizes shift steps specifically:
S8: entire car controller reduces second brake B2 pressure regulator valve electric current, opens second brake B2, until the second braking
Device B2 is fully opened, and executes step S9 later；
S9: entire car controller controls drop according to preset accelerating curve range C and in such a way that acceleration gradually successively decreases
The planet carrier revolving speed of low first single planetary row PG1, if the planet carrier revolving speed of the first single planetary row PG1 is 0 and stablizes, is held to 0
Row step S10；Wherein, preset accelerating curve range C is 12~40rpm/10ms；
S10: entire car controller increases the first brake B1 electromagnetic valve current, until the first brake B1 locking.
Embodiment 2
A kind of sliding rub of hybrid vehicle starts the control method of engine and shift coordination, in step and embodiment 1
Hybrid vehicle it is sliding rub that start the step of engine is with the control method of shift coordination similar, the difference is that:
In step S2, preset engine oil spout fire speed threshold value A is 500rpm；In step S5 and S6, preset engine torque
Request threshold value B is 10Nm.
Embodiment 3
A kind of sliding rub of hybrid vehicle starts the control method of engine and shift coordination, in step and embodiment 1
Hybrid vehicle it is sliding rub that start the step of engine is with the control method of shift coordination similar, the difference is that:
In step S2, preset engine oil spout fire speed threshold value A is 450rpm；In step S5 and S6, preset engine torque
Request threshold value B is 7.5Nm.
Claims (5)
1. a kind of sliding rub of hybrid vehicle starts the control method of engine and shift coordination, it is characterised in that: hybrid power
System includes engine, small machine (E1), big motor (E2), the first single planetary row, the second single planetary row, first clutch
(C0), second clutch (C1), the first brake (B1), second brake (B2), gearbox main reducing gear and differential mechanism, start
The planet carrier of the first single planetary row is connected by first clutch (C0) respectively after machine connection input shaft, passes through second clutch
(C1) sun gear of the second single planetary row is connected, big motor (E2) connect with the sun gear of the second single planetary row, small machine (E1)
It is connect with the sun gear of the first single planetary row, the planet carrier of the first brake (B1) first single planetary row of locking, second brake
(B2) sun gear of the first single planetary row of locking, the planet carrier of gear ring the first single planetary row of connection of the second single planetary row, first
The gear ring of single planetary row connects gearbox main reducing gear, gearbox main reducing gear after being connected with the planet carrier of the second single planetary row
Connected with differential；Pure electric vehicle is in vehicle to run at a low speed and under second brake (B2) lockup state, determines whether user needs
Anxious acceleration operation is carried out, if so, sliding rub of vehicle control unit controls second clutch (C1) starts engine and small machine (E1)
It realizes shift while carrying out, up to the first brake (B1) locking and second clutch (C1) is closed, and vehicle is in hybrid power
Drive driving status；
A, sliding rub of second clutch (C1) starts engine and sequentially includes the following steps:
S1: second clutch (C1) pressure regulator valve electric current is arranged according to pre-charge curve in entire car controller, controls second clutch
(C1) in contact dotted state, pre-oiling is carried out to second clutch (C1) and is held after the completion of second clutch (C1) pre-oiling
Row step S2；
S2: entire car controller increases second clutch (C1) pressure regulator valve electric current, and control second clutch (C1) is in sliding state of rubbing,
Increasing the torque of expanded motor (E2) simultaneously, the increased torque of big motor (E2) drags forwarding motivation by sliding rub of second clutch, when
When entire car controller detects that engine speed is greater than preset engine oil spout fire speed threshold value A, step S3 is executed；
S3: entire car controller reduces second clutch (C1) pressure regulator valve electric current, and control second clutch (C1) restores to contact point
State executes step S4 later；
S4: entire car controller sends oil spout ignition order to engine controller by CAN bus, and engine controller controls are held
Row oil spout ignition order after engine oil spout is lighted a fire successfully, executes step S5；
S5: entire car controller sends preset engine torque request threshold value B to engine controller by CAN bus, starts
Machine controller control engine promotes rapidly revolving speed under no-load condition, if engine speed is greater than big motor (E2) revolving speed,
It is performed simultaneously step S5 and S6；
S6: entire car controller increases second clutch (C1) pressure regulator valve electric current, and preset engine torque request threshold value B passes through the
Sliding rub of two clutches (C1) is transferred on big motor (E2) motor shaft to promote big motor speed, if big motor (E2) revolving speed and hair
Motivation rotating speed difference is less than 100rpm, thens follow the steps S7；
S7: entire car controller continues to increase second clutch (C1) pressure regulator valve electric current, until second clutch (C1) is closed；
B, small machine (E1) realizes that shift sequentially includes the following steps:
S8: entire car controller reduces second brake (B2) pressure regulator valve electric current, opens second brake (B2), until the second braking
Device (B2) fully opens, and executes step S9 later；
S9: entire car controller controls reduction by first according to preset accelerating curve range and in such a way that acceleration gradually successively decreases
The planet carrier revolving speed of single planetary row (PG1), if the planet carrier revolving speed of the first single planetary row (PG1) is 0 and stablizes, is executed to 0
Step S10；
S10: entire car controller increases the first brake (B1) electromagnetic valve current, until the first brake (B1) locking.
2. sliding rub of hybrid vehicle as described in claim 1 starts the control method of engine and shift coordination, feature
Be: in the step S2, preset engine oil spout fire speed threshold value A is 400~500rpm.
3. sliding rub of hybrid vehicle as described in claim 1 starts the control method of engine and shift coordination, feature
Be: in the step S5 and S6, preset engine torque request threshold value B is 5~10Nm.
4. sliding rub of hybrid vehicle as described in claim 1 starts the control method of engine and shift coordination, feature exists
In: in the step S9, preset accelerating curve range C is 12~40rpm/10ms.
5. sliding rub of the hybrid vehicle as described in Claims 1 to 4 is any starts the control method of engine and shift coordination,
Be characterized in that: whether the user needs to carry out the anxious judgment basis for accelerating operation to be that the vehicle that entire car controller receives is current
Gas pedal, speed signal and battery capacity signal.
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| CN111098844B (en) * | 2018-10-26 | 2021-03-23 | 上海汽车集团股份有限公司 | Engine starting method and device of hybrid electric vehicle |
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| CN114228691B (en) * | 2021-12-03 | 2024-04-26 | 清华大学苏州汽车研究院（吴江） | Dynamic coordination control method and device for engine of hybrid electric vehicle |
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| KR20110139953A (en) * | 2010-06-24 | 2011-12-30 | 현대자동차주식회사 | System for engine starting control of hybrid vehicle and method thereof |
| CN102529956B (en) * | 2012-03-02 | 2014-07-16 | 潍柴动力股份有限公司 | Method and system for starting hybrid electrical vehicle |
| KR101518900B1 (en) * | 2014-02-17 | 2015-05-11 | 현대자동차 주식회사 | Mode control apparatus of hybrid vehicle and control method thereof |
| CN104760590B (en) * | 2015-04-17 | 2017-07-28 | 重庆大学 | The switching of hybrid vehicle mode of operation and gearshift control method for coordinating based on DCT |
| CN105774793B (en) * | 2016-04-25 | 2018-01-05 | 清华大学 | A kind of parallel connection type hybrid power system electric motor starting engine mode method for handover control |
| CN106427988B (en) * | 2016-10-28 | 2019-01-29 | 科力远混合动力技术有限公司 | Double planet wheel rows of mixing hybrid vehicle starts control method for coordinating |
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