CN108583577A - A kind of hybrid vehicle static state shifting control system and method - Google Patents
A kind of hybrid vehicle static state shifting control system and method Download PDFInfo
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- CN108583577A CN108583577A CN201810380660.5A CN201810380660A CN108583577A CN 108583577 A CN108583577 A CN 108583577A CN 201810380660 A CN201810380660 A CN 201810380660A CN 108583577 A CN108583577 A CN 108583577A
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- 230000003068 static effect Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 14
- 230000009977 dual effect Effects 0.000 claims description 8
- 238000012790 confirmation Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- 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
- B60W30/18—Propelling the vehicle
- B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
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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
- B60K6/38—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 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
-
- 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
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/30—Control strategies involving selection of transmission gear ratio
-
- 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
- B60W2510/08—Electric propulsion units
- B60W2510/081—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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/10—Change speed gearings
- B60W2510/1015—Input shaft speed, e.g. turbine 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
- B60W2710/06—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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides a kind of hybrid vehicle static state shifting control system and methods, belong to automobile technical field.It solves the problems, such as there is greater impact when existing hybrid vehicle static state shift.This hybrid vehicle static state shifting control system, including gear shift sensing device further include first sensor for receiving gear shifting signal and being sent to TCU, and being put into gear in advance for acquiring speed changer input shaft rotating speed signal and is sent to VCU；Wherein, TCU sends motor to VCU according to gear shifting signal and bears rotating speed request signal, and the VCU bears rotating speed request signal according to motor and sends the opposite torque of input shaft rotation direction of being put into gear in advance for controlling motor output with speed changer to IPU with the negative speed controling signal of the motor for reducing pre- input shaft rotating speed of putting into gear；The rotating speed of target value of pre-hung gear input shaft is stored in the VCU, when pre- rotating speed input shaft rotating speed of putting into gear is less than rotating speed of target value, VCU sends signal of putting into gear to TCU.Smaller is impacted when the present invention makes to put into gear, noise is lower with vibration, and driving experience is more preferable.
Description
Technical field
The invention belongs to automobile technical fields, are related to a kind of hybrid vehicle, and especially a kind of hybrid vehicle is quiet
State shifting control system and method.
Background technology
Currently, the automobile using automatic transmission is more and more favored by consumers.The automatic transmission of automobile is main
It is divided into AT speed changers (AT), stepless automatic transmission (CVT), electric control mechanical type automatic speed variator (AMT) and double-clutch speed changer
(DCT) etc..Wherein double-clutch speed changer has the advantages that shift is fast, fuel-efficient, transmission efficiency, power failure-free of shifting gears, mixed
The application closed in power vehicle is also more and more extensive.
Double-clutch speed changer is divided into dry dual clutch and wet dual clutch transmission, the wherein double clutch speed-changings of wet type
Device uses oil cooling, good heat dissipation effect that can bear the transmission of bigger power.However, wet dual clutch transmission is there are a defect,
When vehicle is static, after P gear pre-hung D gears, engine by clutch and the input axis connection put into gear, and with the input put into gear in advance
The clutch of axis have certain interval, due to wet dual clutch transmission using cooling oil cool down, i.e., clutch driving plate and from
It is full of cooling oil between Moving plate, and the gap very little between driving disc spacing pressing and driven disc, when driven by engine driving disc spacing pressing rotates, actively
Disk can drive cooling oil that partial engine torque is transmitted to connect with driven disc pre- and put into gear on input shaft, cause it is pre- put into gear it is defeated
It is very high to enter rotating speed, when such pre-hung 2 is kept off, even number gear input shaft will produce intense impact when coordinating with output shaft, cause vehicle
NVH problems.Moreover, the viscosity of cooling oil is higher, the torque of transmission is bigger, and impact and noise are also more serious.
Chinese patent application (application number：201410141633.4) disclose a kind of hybrid vehicle process for gear and
System reduces torque of the engine in shift by generator, the safety that the input torque of clutch is less than clutch is made to turn round
It shifts gears when square.Although can slightly reduce the rotating speed of input shaft using this method, due to the presence of inertia, input shaft turns
Speed can still maintain higher range, that is, still remain certain impact when shifting gears.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of hybrid vehicle is quiet
State process for gear, the technical problem to be solved by the present invention is to：How to reduce hybrid vehicle static state shift when generate rush
It hits.
Object of the invention can be realized by the following technical scheme：
A kind of hybrid vehicle static state shifting control system, including gear shift sensing device, it is concurrent for receiving gear shifting signal
TCU is given, further includes first sensor, being put into gear in advance for acquiring speed changer input shaft rotating speed signal and is sent to VCU；Wherein,
TCU sends motor to VCU according to gear shifting signal and bears rotating speed request signal, and the VCU bears rotating speed request signal to IPU according to motor
It sends and puts into gear with speed changer the opposite torque of input shaft rotation direction in advance for controlling motor output to reduce pre- input shaft of putting into gear
The motor of rotating speed bears speed controling signal；The rotating speed of target value of pre-hung gear input shaft is stored in the VCU, when pre- rotating speed of putting into gear
When input shaft rotating speed is less than rotating speed of target value, VCU sends signal of putting into gear to TCU.
The engine and motor of this hybrid vehicle are connect with speed changer respectively, make engine and motor can be to change
Fast device exports power, to realize that hybrid power drives.The speed changer of this hybrid vehicle is wet dual clutch transmission, motor
It can be connect with the pre- input shaft of putting into gear of speed changer, it can be to pre- input shaft output torque of putting into gear.Due to the double clutches of wet type
The characteristic of speed changer itself, when putting into gear, input shaft of putting into gear in advance is had higher rotation speed by cooling liquid band is dynamic, now by motor to pre-hung
It keeps off input shaft and exports the torque opposite with its rotation direction, so that its rotating speed is reduced and even stop operating, that is, reduce input of putting into gear in advance
Then the torque that axis itself has makes pre- input shaft pre-hung gear of putting into gear.In this way, when putting into gear, input shaft of putting into gear in advance is in static
Or the state that slowly runs, input shaft of putting into gear in advance are easier and pre- output shaft cooperation of putting into gear, and when putting into gear, input shaft pair of putting into gear in advance
The impact force smaller of output shaft, that is, the vibration and noise generated also smaller, makes one to be difficult to discover, riding experience is more preferable.Due to hair
Motivation is not directly connected to input shaft of putting into gear in advance, is transmitted torque by coolant liquid between the two, is made to reduce hair in the prior art
Motivation output torque has certain hysteresis quality come the scheme for reducing clutch moment of torque, and can not accurately control pre- input of putting into gear
The rotating speed of axis, therefore, compared with prior art, this programme bears revolution speed control device control motor by motor directly reduces pre-hung
Input shaft rotating speed is kept off, more efficient to the reduction of speed for input shaft of putting into gear in advance, controllability also higher shortens shift time；This programme
Also the speed governing result for input shaft of putting into gear in advance is confirmed by VCU, it is more accurate to the control for input shaft rotating speed of putting into gear in advance, make to change
Smaller is impacted caused by when gear；And engine can still maintain higher rotation speed in the shift process of this programme, make to put into gear
Automobile speed-raising after the completion is faster.
In above-mentioned hybrid vehicle static state shifting control system, the motor that the VCU is sent bears rotary speed instruction
Specific torque value is calculated according to the real-time rotating speed for input shaft of putting into gear in advance, turn of the torque value and input shaft of putting into gear in advance
Rapid-result direct ratio.
In this way, motor exports high torque when pre- input shaft rotating speed of putting into gear is high, make its reduction of speed faster；It is putting into gear in advance
Smaller torque is exported when input shaft rotating speed reduces, and keeps its reduction of speed more accurate, to keep the entire speed regulation process time short, essence
Degree is high, i.e. the shift process time is shorter, impacts also smaller.
In above-mentioned hybrid vehicle static state shifting control system, the rotating speed of target value is 10~30r/min.
It puts into gear in the range of speeds, input shaft of putting into gear in advance is put into gear more easily, and impact is small, and human body is not noticeable, and reduces electricity
The difficulty that machine is adjusted, keeps regulating time shorter.
In above-mentioned hybrid vehicle static state shifting control system, this system further includes for detecting pre- input of putting into gear
Whether axis hangs the second sensor of shelves in place, if putting into gear in place, second sensor transmission puts into gear confirmation signal to VCU；If hanging
Gear failure, then second sensor transmission failure signal is to VCU.
In this way, by detection device, makes the accuracy rate higher of putting into gear of speed changer, improve the safety of automobile.
In above-mentioned hybrid vehicle static state shifting control system, gear shaft is additionally provided in the speed changer, it is described
Motor can pass through the gear shaft and odd number shelves input shaft or even number gear input axis connection and output torque.In this way, passing through tooth
Wheel shaft, motor can export the torque opposite with its rotation direction to the input shaft driven by lubricating oil, to reduce input shaft
Rotating speed, or together with engine power is provided to speed changer.
A kind of hybrid vehicle static state process for gear, the hybrid vehicle include engine, speed changer and motor,
The speed changer is wet dual clutch transmission, and the engine and motor are connect with the speed changer respectively, which is characterized in that
This method includes the following steps：
Step 1: TCU receives gear shifting signal；
Step 2: TCU sends motor to VCU bears rotating speed request signal；
Step 3: VCU is sent to IPU bears speed controling signal, IPU makes motor export to pre- input shaft of putting into gear and put into gear in advance
Input the opposite torque of rotational axis direction；
Step 4: VCU is compared the rotating speed for input shaft of putting into gear in advance with rotating speed of target value, if pre- input shaft of putting into gear turns
Speed is less than rotating speed of target, then puts into gear signal to TCU transmissions, otherwise repeatedly step 3.
In above-mentioned hybrid vehicle static state process for gear, in the step 4, after input shaft of putting into gear in advance is put into gear, electricity
Machine is detached with pre- input shaft of putting into gear and is connect with pre- output shaft of putting into gear.By the operation, motor is made to be ready, so as to start
Machine works together, to gearbox output torque to drive running car jointly.
In above-mentioned hybrid vehicle static state process for gear, the request of putting into gear is described pre- to be suspended to D gears from P gears
Input shaft of putting into gear is that even number keeps off input shaft.
Compared with prior art, the present invention has the following advantages：
1, the present invention by motor directly to input shaft output torque of putting into gear in advance, to reduce when input shaft of putting into gear in advance is put into gear
Rotating speed makes impact smaller of putting into gear, and noise is lower with vibration, and driving experience is more preferable.
2, in the present invention, the torque value of motor output is directly proportional to the rotating speed for input shaft of putting into gear in advance, makes pre- input of putting into gear
The governing time of axis is short, and precision is high.
3, the present invention makes the speed regulation accuracy higher of pre- input shaft of putting into gear by feedback and logic judgment process.
Description of the drawings
Fig. 1 is the drive mechanism schematic diagram in the embodiment of the present invention；
Fig. 2 is the process for gear flow chart in the embodiment of the present invention.
In figure, 1, engine；2, motor；3, interior clutch；4, outer clutch；5, odd number gear input shaft, the gear input of 6 even numbers
Axis；7, output shaft；8, gear shaft.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, the automobile of the present embodiment is oil-electric vehicle, wet dual clutch transmission is used to carry out
Power transmits, and double-clutch speed changer includes interior clutch 3, outer clutch 4, odd number gear input shaft 5, even number gear input shaft 6, output
It is hollow shaft that axis 7 and gear shaft 8, wherein even number, which keep off input shaft 6, and even number gear input shaft 6 is sheathed on odd input shaft, odd number gear
Input shaft 5 and even number gear input shaft 6 are connect by interior clutch 3 and outer clutch 4 with engine 1 respectively, and odd number keeps off input shaft 5
It can be connect with a gear, three gears, five gears for keeping off and reversing gear, even number keeps off input shaft 6 can be with two gears, the gear of four gears and six gears
It connects, is set on gear shaft 8 there are two coaxial gear, motor 2 can be engaged with 8 one of gear of gear shaft, gear shaft 8
Another gear keeps off input shaft 5 with odd number or even number gear input shaft 6 is connect, and enables motor 2 to 7 output torque of output shaft.
The hybrid vehicle static state shifting control system of the present embodiment includes：The gear shift sensing being connect with gear linkage
Device, entire car controller (VCU), electric machine controller (IPU) and gearbox controller (TCU), for acquire speed changer put into gear in advance it is defeated
Enter rotating speed and be sent to VCU first sensor and for detect pre- input shaft of putting into gear whether hang shelves in place second sensing
Device.Wherein, gear shift sensing device can receive the gear shifting signal acted on gear lever and send it to TCU；First sensor
It may be contained in speed changer with second sensor and the signal being collected into can be sent to VCU.
When shift, after gear shift sensing device receives gear shifting signal, this system can control motor 2 and put into gear to the pre- of speed changer
Input shaft conveys the torque opposite with its rotation direction, so that the rotating speed of pre- input shaft of putting into gear is reduced or is stopped operating, then controls
Speed changer is put into gear, impact force smaller when speed changer being made to put into gear, and running car is more stable.
Detailed process when that is, gear is suspended to D gears from P gears, becomes as shown in Fig. 2, when automobile is started running from stationary state
The odd number gear input shaft 5 of fast device is linked into 1 gear, and the even number gear input shaft 6 of speed changer is pre- input shaft of putting into gear.TCU receives gear
The gear shifting signal of bar sensor.TCU sends out motor to VCU and bears rotating speed request signal, and by the signal, TCU prompts VCU starts to hold
Row reduction of speed operates.
Then, VCU sends out negative speed controling signal to IPU.IPU controls motor 2 according to signal instruction, makes motor shaft and idol
Number gear input shaft 6 connects, and exports the torque opposite with its rotation direction to even number gear input shaft 6, makes the reduction of its rotating speed.Its
In, motor 2 export torque acquire according to first sensor by VCU even number gear input shaft 6 real-time rotating speed be calculated, this
The size of torque is directly proportional to the even number gear rotating speed of input shaft 6.
2 output torque of motor to put into gear in advance even number gear input shaft 6 slow down during, first sensor can constantly by
Even number keeps off the speed feedback of input shaft 6 to VCU.
Then, VCU judges the even number of feedback gear 6 rotating speed of input shaft, if the rotating speed of even number gear input shaft 6 be more than or
Equal to rotating speed of target, then repeatedly previous step continues to send motor to IPU and bears speed controling signal, if even number gear input shaft 6
Rotating speed is less than rotating speed of target, then sends out signal of putting into gear to TCU, and even number gear input shaft 6 is made to be linked into two gears.General engine 1 exists
Rotating speed when automobile suspension P gears is in 1200~2000r/min, and rotating speed of the even number gear input shaft 6 before not slowing down can be cold at this time
But liquid band is its dynamic when the rotating speed that even number keeps off input shaft 6 drops to 30r/min or less to 300~500r/min or so
Can be very low, it puts into gear at this time very little to the impact of speed changer, driver has been difficult to perceive vibrations and punching
It hits, therefore the rotating speed of target of even number gear input shaft 6 is usually set to 10~30r/min, more of course for impact when making to put into gear
Smaller small, that the numerical value of rotating speed of target can also be set, even 0, but in actual use, when putting into gear to shorten
Between, the rotating speed of target of even number gear input is usually not less than 10r/min.
After even number gear input shaft is put into gear, second sensor acquires status signal of putting into gear, if putting into gear success, second sensor hair
Send confirmation signal of putting into gear to VCU；If putting into gear unsuccessfully, second sensor sends failure signal and repeats previous step to VCU, VCU,
Retransmission is put into gear signal.
Finally, IPU controls motor 2 and detaches with even number gear input shaft 6 and connect with output shaft 7.In this way, motor 2 carry out with
The preparation that engine 1 works together can be kept off after input shaft 6 is put into gear with engine 1 in even number together to gearbox output torque
To drive running car jointly.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although be used more herein engine 1, motor 2, interior clutch 3, outer clutch 4, odd number gear input shaft 5,
Even number keeps off the terms such as input shaft 6, output shaft 7, but it does not preclude the possibility of using other terms.It is only using these terms
In order to more easily describe and explain the essence of the present invention；Being construed as any one of the additional limitations all is and the present invention
What spirit was disagreed.
Claims (8)
1. a kind of hybrid vehicle static state shifting control system, including
Gear shift sensing device, for receiving gear shifting signal and being sent to TCU,
It is characterized in that, further including
First sensor puts into gear in advance for acquiring speed changer and input shaft rotating speed signal and is sent to VCU；
Wherein, TCU sends motor to VCU according to gear shifting signal and bears rotating speed request signal, and the VCU bears rotating speed according to motor and asks
Signal sends to IPU and puts into gear with speed changer the opposite torque of input shaft rotation direction in advance for controlling motor output to reduce pre-hung
The motor for keeping off input shaft rotating speed bears speed controling signal；
The rotating speed of target value of pre-hung gear input shaft is stored in the VCU, when pre- rotating speed input shaft rotating speed of putting into gear turns less than target
When speed value, VCU sends signal of putting into gear to TCU.
2. hybrid vehicle static state shifting control system according to claim 1, which is characterized in that the VCU is sent
Motor bear rotary speed instruction specific torque value be calculated according to the real-time rotating speed for input shaft of putting into gear in advance, the torque value
It is directly proportional to the rotating speed for input shaft of putting into gear in advance.
3. hybrid vehicle static state shifting control system according to claim 1, which is characterized in that the rotating speed of target
Value is 10~30r/min.
4. hybrid vehicle static state shifting control system according to claim 1, which is characterized in that this system further includes
For detecting whether pre- input shaft of putting into gear hangs the second sensor of shelves in place, if putting into gear in place, second sensor transmission is put into gear
Confirmation signal is to VCU；If putting into gear unsuccessfully, second sensor sends failure signal to VCU.
5. hybrid vehicle static state shifting control system according to claim 1, which is characterized in that in the speed changer
It is additionally provided with gear shaft, the motor can input axis connection with odd number shelves input shaft or even number gear by the gear shaft and export
Torque.
6. a kind of hybrid vehicle static state process for gear, the hybrid vehicle includes engine, speed changer and motor, institute
It is wet dual clutch transmission to state speed changer, and the engine and motor are connect with the speed changer respectively, which is characterized in that this
Method includes the following steps：
Step 1: TCU receives gear shifting signal；
Step 2: TCU sends motor to VCU bears rotating speed request signal；
Step 3: VCU is sent to IPU bears speed controling signal, IPU makes motor to pre- put into gear input shaft output and pre- input of putting into gear
The opposite torque of rotational axis direction；
Step 4: VCU is compared the rotating speed for input shaft of putting into gear in advance with rotating speed of target value, if the rotating speed of pre- input shaft of putting into gear is small
It in rotating speed of target, then puts into gear signal to TCU transmissions, otherwise repeatedly step 3.
7. hybrid vehicle static state process for gear according to claim 6, which is characterized in that in the step 4, in advance
After input shaft of putting into gear is put into gear, motor is detached with pre- input shaft of putting into gear and is connect with pre- output shaft of putting into gear.
8. hybrid vehicle static state process for gear according to claim 6, which is characterized in that it is described put into gear request for from
P gears are suspended to D gears, and the pre- input shaft of putting into gear is that even number keeps off input shaft.
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