CN110131407A - A kind of electric drive two keeps off Method for Automated Mechanical Transmission and control method - Google Patents
A kind of electric drive two keeps off Method for Automated Mechanical Transmission and control method Download PDFInfo
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- CN110131407A CN110131407A CN201910404820.XA CN201910404820A CN110131407A CN 110131407 A CN110131407 A CN 110131407A CN 201910404820 A CN201910404820 A CN 201910404820A CN 110131407 A CN110131407 A CN 110131407A
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- control unit
- dynamical system
- shift
- driving motor
- system control
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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
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/2807—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted using electric control signals for shift actuators, e.g. electro-hydraulic control therefor
Abstract
Embodiment of the present invention discloses a kind of electric drive two and keeps off Method for Automated Mechanical Transmission and control method.Control system includes: dynamical system control unit；Entire car controller；Gear shifting actuating mechanism；Body stabilization system；And two gear automatic mechanical transmission；Wherein the dynamical system control unit is separately connected via controller LAN connection and the entire car controller, the body stabilization system and the gear shifting actuating mechanism；The dynamical system control unit, for when running normally, controlling driving motor output torque according to the instruction of the entire car controller；When shift, shift decision is carried out according to the speed signal that accelerator pedal signal, shift signal and body stabilization system provide, and controls the self shifter process of driving motor and the gear shifting actuating mechanism cooperation completion two gears automatic mechanical transmission.Isolated MCU and TCU are integrated into dynamical system control unit, reduce the communication time between controller, and shorten shift time.
Description
Technical field
Embodiment of the present invention is related to automobile technical field, in particular to a kind of electric drive two keeps off automatic mechanical transmission
Control system and control method.
Background technique
Have in national newest standards " term and definition of automobile and trailer type " (GB/T 3730.1-2001) to automobile
Such as give a definition: by power drive, the vehicle of the non-track carrying with 4 or 4 or more wheels is mainly used for: carrying personnel
And (or) cargo；Draw the vehicle of carrying personnel and (or) cargo；Specific use.Energy shortage, oil crisis and environmental pollution
It grows in intensity, brings tremendous influence to people's lives, be directly related to the sustainable development of national economy and society.The world is each
State is all in active development new energy technology.
Pure electric automobile has become one of the trend of current development of automobile.Pure electric automobile considers cost and structure at present
Factor of location, drive system mainly use the retarder of fixed speed ratio, and single gear cannot better meet automobile and accelerate, climb
With a variety of drive demands such as overtake other vehicles.Therefore, more transmission ratios are a kind of development trends of pure electric automobile.Using two gears or more gears
Transmission mechanism, be not only able to satisfy the Essential Performance Requirements of pure electric automobile, improve standby function when starting torque and low speed
Rate makes motor work in efficient region, also decreases to driving motor performance requirement, not only saved energy but also each component can be made to exist
Lower speed operation, while can choose the relatively small motor of power, so that the volume of motor reduces, cost is reduced.
Compared with the power drive system of engine cooperation automatic mechanical transmission (AMT), motor control is easier, rings
It should faster.Motor is matched with AMT, in shift, it may not be necessary to which clutch disconnects power source, by directly controlling motor work
It achieves the goal in zero-turn square, therefore the hardware mechanisms such as clutch release bearing, flywheel and pressing plate, and carries out clutch control
Related software and hardware etc. can be omitted.
Currently, each each component of control unit independent control of two gear automatic mechanical transmission self shifter control systems,
Information exchange is carried out by controller LAN (CAN) communication between each controller.There is week time since information transmits and receives
Phase, this mode will increase shift time, influence shift quality.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of electric drive two gear Method for Automated Mechanical Transmission and controls
Method processed.
The technical solution of embodiment of the present invention is as follows:
A kind of gear of electric drive two Method for Automated Mechanical Transmission, comprising:
Dynamical system control unit；Entire car controller；Gear shifting actuating mechanism；Body stabilization system；And two gear automatic machine
Tool formula speed changer；
Wherein the dynamical system control unit is via controller LAN connection and the entire car controller, the vehicle
Body systems stabilisation and the gear shifting actuating mechanism are separately connected；
The dynamical system control unit, for when running normally, being controlled and being driven according to the instruction of the entire car controller
Dynamic motor output torque；When shift, according to the speed signal of accelerator pedal signal, shift signal and body stabilization system offer
Carry out shift decision, and control driving motor and gear shifting actuating mechanism cooperation complete it is described two gear automatic mechanical transmission from
Dynamic shift process.
In one embodiment, the dynamical system control unit, for shift gears start when, via with the vehicle
Controller LAN connection between controller, Xiang Suoshu entire car controller sends shift sign on, at the end of shift,
Via the controller LAN connection between entire car controller, shift is sent to entire car controller and completes instruction.
In one embodiment, the entire car controller, for via between the dynamical system control unit
Controller LAN connection, Xiang Suoshu dynamical system control unit send the shift signal.
In one embodiment, the dynamical system control unit is via electric signal connection and the driving motor
Connection；There is mechanical connection between the two gear automatic mechanical transmission and the driving motor.
In one embodiment, the dynamical system control unit, for controlling the driving motor for output torque
It is reduced to zero, the gear shifting actuating mechanism execution is controlled and plucks gear movement, synchronize the output shaft revolving speed and described two of the driving motor
The output shaft revolving speed for keeping off automatic mechanical transmission controls the gear shifting actuating mechanism and executes operation of putting into gear.
A kind of gear of electric drive two automatic mechanical transmission control method, comprising:
Via controller LAN connection, dynamical system control unit is separately connected entire car controller, vehicle body is stablized
System and gear shifting actuating mechanism；
When running normally, instruction control driving motor output of the dynamical system control unit based on entire car controller is enabled
Torque enables dynamical system control unit and is provided according to accelerator pedal signal, shift signal and body stabilization system when shift
Speed signal carry out shift decision, two gear automatic mechanical transmissions are completed in control driving motor and gear shifting actuating mechanism cooperation
Self shifter process.
In one embodiment, two gear automatic mechanical types are completed in the control driving motor and gear shifting actuating mechanism cooperation
The self shifter process of speed changer includes:
Dynamical system control unit controls the driving motor and output torque is reduced to zero；
Dynamical system control unit controls the gear shifting actuating mechanism execution and plucks gear movement；
Dynamical system control unit synchronizes the output shaft revolving speed of the driving motor and described two and keeps off automatic mechanical type speed change
The output shaft revolving speed of device；
Dynamical system control unit controls the gear shifting actuating mechanism and executes operation of putting into gear.
In one embodiment, after the self shifter process that completion two keeps off automatic mechanical transmission, this method
Further include:
Dynamical system control unit is via the controller LAN connection between entire car controller, from the vehicle control
Device processed receives the control instruction comprising driving motor output torque；
Dynamical system control unit controls driving motor and exports institute via the electric signal connection between driving motor
State driving motor output torque.
A kind of electric car, including electric drive as described above two keep off Method for Automated Mechanical Transmission.
A kind of computer readable storage medium, wherein being stored with computer-readable instruction, which is used for
It executes as above described in any item electric drives two and keeps off automatic mechanical transmission control method.
It can be seen from the above technical proposal that the control system of embodiment of the present invention includes: dynamical system control unit；
Entire car controller；Gear shifting actuating mechanism；Body stabilization system；And two gear automatic mechanical transmission；The wherein dynamical system
System control unit is held via controller LAN connection and the entire car controller, the body stabilization system and the shift
Row mechanism is separately connected；The dynamical system control unit is used for when running normally, according to the instruction of the entire car controller
Control driving motor output torque；When shift, according to the vehicle of accelerator pedal signal, shift signal and body stabilization system offer
Fast signal carries out shift decision, and controls driving motor and the gear shifting actuating mechanism cooperation completion two gears automatic mechanical type speed change
The self shifter process of device.As it can be seen that embodiment of the present invention is by isolated motor control unit (MCU) and speed changer electronic control unit
(TCU) it is integrated into dynamical system control unit, it is possible to reduce the communication time between controller, and shorten shift time.
Detailed description of the invention
Only illustratively description and explain the present invention for the following drawings, not delimit the scope of the invention.
Fig. 1 is the structure chart that Method for Automated Mechanical Transmission is kept off according to electric drive two of the present invention.
Fig. 2 is the demonstrative structure figure that Method for Automated Mechanical Transmission is kept off according to electric drive two of the present invention.
Fig. 3 is the control logic flow chart that Method for Automated Mechanical Transmission is kept off according to the present invention two.
Fig. 4 is the flow chart that automatic mechanical transmission control method is kept off according to electric drive two of the present invention.
Specific embodiment
In order to which the technical features, objects and effects of invention are more clearly understood, the Detailed description of the invention present invention is now compareed
Specific embodiment, identical label indicates identical part in the various figures.
It is succinct and intuitive in order to what is described, hereafter by describing several representative embodiments come to side of the invention
Case is illustrated.A large amount of details is only used for helping to understand the solution of the present invention in embodiment.However, it will be apparent that of the invention
Technical solution can be not limited to these details when realizing.In order to avoid unnecessarily having obscured the solution of the present invention, Yi Xieshi
It applies mode not described meticulously, but only gives frame.Hereinafter, " comprising " refers to " including but not limited to ", " root
According to ... " refer to " according at least to ..., but be not limited to according only to ... ".Due to the speech habits of Chinese, hereinafter without spy
When not pointing out the quantity of an ingredient, it is meant that the ingredient is either one or more, or can be regarded as at least one.
In the prior art, motor control unit (Motor Control Unit, MCU) controls motor according to the instruction of VCU
Rotation status；Speed changer electronic control unit (Transmission Control Unit, TCU) is automatic transmission control system
Core component, for realizing automatic shift control.The major function of TCU includes: target gear (speed ratio) decision: executing agency
Control；Fault diagnosis；Troubleshooting etc..
It is found by the applicant that: in the prior art, information exchange, control instruction are carried out by CAN communication between MCU and TCU
Sent and received at least two periods, approximate time is 20 milliseconds (Ms).Especially, in gearshift procedure, due to MCU with
Information between TCU sends and receives the equal having time period, will increase shift time, influences shift quality.
Isolated MCU and TCU are integrated into dynamical system control unit (PCU) by embodiment of the present invention, thus by MCU with
CAN communication information exchange between TCU is changed to the internal communication of PCU, and signal integrally completes relevant treatment in PCU, can
To save the time, shift quality is turned up.
In embodiments of the present invention, PCU and VCU acquire accelerator pedal information simultaneously, and VCU is according to accelerator pedal signal
Determine corresponding torque, and PCU carries out shift decision according to accelerator pedal signal and speed signal, and the control of the instruction based on VCU
Motor and gear-box output torque.
Fig. 1 is the structure chart that Method for Automated Mechanical Transmission is kept off according to electric drive two of the present invention.
As shown in Figure 1, the system includes:
Dynamical system control unit；
Entire car controller (VCU)；
Gear shifting actuating mechanism；
Body stabilization system (Electronic Stability Program, ESP)；And
Two gears automatic mechanical transmission (2AMT)；
Wherein dynamical system control unit is executed via CAN communication line and entire car controller, body stabilization system and shift
Mechanism is separately connected；
Dynamical system control unit, for when running normally, it is defeated to control driving motor according to the instruction of entire car controller
Torque out；When shift, shifted gears according to the speed signal that accelerator pedal signal, shift signal and body stabilization system provide
Decision, and control the self shifter processes of two gear automatic mechanical transmissions of driving motor and gear shifting actuating mechanism cooperation completion.
In one embodiment, dynamical system control unit connects via electric signal connection and the driving motor
It connects, and there is mechanical connection between two gear automatic mechanical transmissions and the driving motor.
In one embodiment, entire car controller, for via the control general ability between dynamical system control unit
Domain net connection sends the shift signal to dynamical system control unit.
Preferably, dynamical system control unit is used for when shifting gears beginning, via the control between the entire car controller
Device Local network communication line processed, Xiang Suoshu entire car controller send shift sign on, at the end of shift, via with full-vehicle control
Controller LAN connection between device sends shift to entire car controller and completes instruction.
As it can be seen that isolated MCU and TCU are integrated into the dynamical system control unit an of entirety by embodiment of the present invention.
Therefore, the CAN communication information exchange of MCU and TCU, is changed to the internal communication of TCU.Internal communication can be saved and be sent and received
Time cycle.After isolated MCU and TCU to be integrated into the dynamical system control unit an of entirety, signal is whole in PCU
Middle completion relevant treatment, therefore the time can be saved, the communication time between few controller shortens shift time, improves shift
Quality improves gear shift real-time.
Based on framework shown in Fig. 1, Fig. 2 is to keep off showing for Method for Automated Mechanical Transmission according to electric drive two of the present invention
Plasticity structure chart.
As shown in Fig. 2, the shifting control system of electric car two-shift automatic variable speed device includes: dynamical system control unit
(PCU), entire car controller, gear shifting actuating mechanism, ESP and two-speed automatic transmission (2AMT).
Wherein: between VCU, PCU, ESP and gear shifting actuating mechanism, being connected and counted in real time by CAN communication line respectively
According to exchange.It is connected between PCU and driving motor via electric signal connection.Between the gear automatic mechanical transmission of PCU and two
It is connected via electric signal connection.It is communicated between two gear automatic mechanical transmissions and gear-shifting actuating mechanism via electric signal
Line connection.There is mechanical connection between two gear automatic mechanical transmissions and driving motor.Two gear automatic mechanical transmissions with
There is mechanical connection between drive axle.
VCU has accelerator pedal signal input terminal, selector shift signal input terminal, brake switch signal input terminal and company
It is connected to the speed signal input terminal of ESP.PCU has accelerator pedal signal input terminal and is connected to the speed signal input terminal of ESP.
In normally travel, PCU controls motor output torque according to the instruction of VCU.
In shift, PCU carries out shift decision according to accelerator pedal signal and speed signal, executes machine with VCU and intelligence
Structure carries out instruction interaction, and control driving motor completes moving certainly for two gear automatic mechanical transmissions with gear shifting actuating mechanism cooperation
Gear process.
Fig. 3 is the control logic flow chart that Method for Automated Mechanical Transmission is kept off according to the present invention two.
Specifically, shift control logic process is as follows:
(1), PCU carries out shift MAP inquiry according to the accelerator pedal and vehicle speed information of acquisition, to carry out shift decision,
In if allow shift gears enter next stage, if do not allow keep current state real-time detection.
(2), PCU is via the electric signal connection between driving motor, and controlling driving motor drop torque is 0, shift
Gear is plucked by executing agency, wherein completing to enter next stage if plucking gear, if not completing to pluck gear, executes pluck gear operation again；
(3), PCU controls driving motor speed regulation according to output shaft revolving speed and synchronizes control, so that the output of driving motor
Axis revolving speed is synchronous with the two gear output shaft revolving speed holdings of automatic mechanical transmission, if synchronous enter next stage, if not
It is synchronous, continue synchronous adjustment；
(4), gear shifting actuating mechanism carries out operation of putting into gear, if completion of putting into gear carries out next stage, if do not completed, again
It puts into gear operation；
(5), PCU controls driving motor response VCU instruction into normal driving.It include: PCU via the control between VCU
Device Local network communication line processed, from VCU receive include driving motor output torque control instruction, PCU via with driving motor it
Between electric signal connection, control driving motor output driving motor output torque.
Wherein, when shifting gears beginning, PCU sends shift sign on via the CAN communication line between VCU, to VCU；
At the end of shift, via the controller LAN connection between VCU, shift is sent to VCU and completes instruction.
Based on foregoing description, embodiment of the present invention also proposed one kind two and keep off Method for Automated Mechanical Transmission
Control method.
Fig. 4 is the flow chart that automatic mechanical transmission control method is kept off according to electric drive two of the present invention.
As shown in figure 4, this method comprises:
Step 401: via controller LAN connection, PCU and VCU, ESP and gear shifting actuating mechanism being separately connected；
Step 402: when running normally, enabling PCU based on the instruction of VCU and control driving motor output torque, work as shift
When, enabled PCU carries out shift decision according to the speed signal that accelerator pedal signal, shift signal and body stabilization system provide,
It controls driving motor and the self shifter process of two gear automatic mechanical transmissions is completed in gear shifting actuating mechanism cooperation.
In one embodiment, two gear automatic mechanical type speed changes are completed in control driving motor and gear shifting actuating mechanism cooperation
The self shifter process of device includes:
PCU controls the driving motor and output torque is reduced to zero；
PCU controls the gear shifting actuating mechanism execution and plucks gear movement；
The output shaft of output shaft revolving speed and the two gears automatic mechanical transmission that PCU synchronizes the driving motor turns
Speed；
Dynamical system control unit controls the gear shifting actuating mechanism and executes operation of putting into gear.
In one embodiment, after the self shifter process that completion two keeps off automatic mechanical transmission, this method
Further include:
PCU is received from VCU comprising driving motor output torque via the controller LAN connection between VCU
Control instruction；
PCU controls the output of driving motor output driving motor and turns round via the electric signal connection between driving motor
Square.
In conclusion the control system of embodiment of the present invention includes: PCU；VCU；Gear shifting actuating mechanism；Vehicle body stability series
System；And two gear automatic mechanical transmission；Wherein PCU distinguishes via CAN communication line and VCU, ESP and institute's gear shifting actuating mechanism
Connection；PCU, for when running normally, controlling driving motor output torque according to the instruction of VCU；When shift, according to acceleration
The speed signal that pedal signal, shift signal and ESP are provided carries out shift decision, and controls driving motor and gear shifting actuating mechanism
The self shifter process of the two gears automatic mechanical transmission is completed in cooperation.As it can be seen that embodiment of the present invention is by isolated MCU
Dynamical system control unit is integrated into TCU, it is possible to reduce the communication time between controller, and shorten shift time.
It should be noted that step and module not all in above-mentioned each process and each structure chart be all it is necessary, can
To ignore certain steps or module according to the actual needs.Each step execution sequence be not it is fixed, can according to need into
Row adjustment.The division of each module is intended merely to facilitate the division functionally that description uses, and in actual implementation, a module can
It is realized with point by multiple modules, the function of multiple modules can also be realized by the same module, these modules can be located at same
In a equipment, it can also be located in different equipment.
Hardware module in each embodiment mechanically or can be realized electronically.For example, a hardware module
It may include that the permanent circuit specially designed or logical device (such as application specific processor, such as FPGA or ASIC) are specific for completing
Operation.Hardware module also may include programmable logic device or circuit by software provisional configuration (as included general procedure
Device or other programmable processors) for executing specific operation.Mechanical system is used as specific, or using dedicated permanent
Property circuit, or Lai Shixian hardware module (such as is configured) by software using the circuit of provisional configuration, can according to cost with
Temporal consideration is to determine.
The present invention also provides a kind of machine readable storage medium, storage is for making a machine execute side as described herein
The instruction of method.Specifically, system or device equipped with storage medium can be provided, store in realization on the storage medium
State the software program code of the function of any embodiment in embodiment, and make the system or device computer (or CPU or
MPU the program code being stored in a storage medium) is read and executed.Further, it is also possible to be made by the instruction based on program code
Operating system of hands- operation etc. is calculated to complete partly or completely practical operation.It can also will read from storage medium
The expansion being connected to a computer is write in memory set in the expansion board in insertion computer or write to program code
In the memory being arranged in exhibition unit, then the instruction based on program code makes to be mounted on expansion board or expanding element
CPU etc. comes execution part and whole practical operations, to realize the function of any embodiment in above embodiment.
Storage medium embodiment for providing program code include floppy disk, hard disk, magneto-optic disk, CD (such as CD-ROM,
CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD+RW), tape, non-volatile memory card and ROM.Selectively,
It can be by communication network from download program code on server computer or cloud.
It should be noted that step and module not all in above-mentioned each process and each system construction drawing is all necessary
, certain steps or module can be ignored according to the actual needs.Each step execution sequence be not it is fixed, can be according to need
It is adjusted.System structure described in the various embodiments described above can be physical structure, be also possible to logical construction, that is, have
A little modules may be realized by same physical entity, be realized alternatively, some modules may divide by multiple physical entities, alternatively, can be with
It is realized jointly by certain components in multiple autonomous devices.
In the above various embodiments, hardware cell mechanically or can be realized electrically.For example, a hardware list
Member may include permanent dedicated circuit or logic (such as special processor, FPGA or ASIC) to complete corresponding operating.Firmly
Part unit can also include programmable logic or circuit (such as general processor or other programmable processors), can by software into
The interim setting of row is to complete corresponding operating.Concrete implementation mode (mechanical system or dedicated permanent circuit or is faced
When the circuit that is arranged) can be determined based on cost and temporal consideration.
Detailed displaying and explanation carried out to the present invention above by attached drawing and preferred embodiment, however the present invention is not limited to
These embodiments having revealed that, base could be aware that with above-mentioned multiple embodiment those skilled in the art, can combine above-mentioned difference
Code audit means in embodiment obtain the more embodiments of the present invention, these embodiments also protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of electric drive two keeps off Method for Automated Mechanical Transmission characterized by comprising
Dynamical system control unit；Entire car controller；Gear shifting actuating mechanism；Body stabilization system；And two gear automatic mechanical type
Speed changer；
Wherein the dynamical system control unit is steady via controller LAN connection and the entire car controller, the vehicle body
Determine system and the gear shifting actuating mechanism is separately connected；
The dynamical system control unit, for when running normally, controlling driving electricity according to the instruction of the entire car controller
Machine output torque；When shift, carried out according to the speed signal that accelerator pedal signal, shift signal and body stabilization system provide
Shift decision, and control driving motor and complete moving certainly for the two gear automatic mechanical transmission with gear shifting actuating mechanism cooperation
Gear process.
2. electric drive two according to claim 1 keeps off Method for Automated Mechanical Transmission, which is characterized in that
The dynamical system control unit is used for when shifting gears beginning, via the control general ability between the entire car controller
Domain net connection, Xiang Suoshu entire car controller sends shift sign on, at the end of shift, via between entire car controller
Controller LAN connection, to entire car controller send shift complete instruction.
3. electric drive two according to claim 1 keeps off Method for Automated Mechanical Transmission, which is characterized in that
The entire car controller, for via the controller LAN connection between the dynamical system control unit, to
The dynamical system control unit sends the shift signal.
4. electric drive two according to claim 1 keeps off Method for Automated Mechanical Transmission, which is characterized in that
The dynamical system control unit is connect via electric signal connection with the driving motor；The two gears automation
There is mechanical connection between formula speed changer and the driving motor.
5. electric drive two according to claim 1 keeps off Method for Automated Mechanical Transmission, which is characterized in that
Output torque is reduced to zero for controlling the driving motor by the dynamical system control unit, is controlled the shift and is held
Gear movement is plucked in the execution of row mechanism, and the output shaft revolving speed and described two for synchronizing the driving motor keep off the defeated of automatic mechanical transmission
Shaft revolving speed controls the gear shifting actuating mechanism and executes operation of putting into gear.
6. a kind of electric drive two keeps off automatic mechanical transmission control method characterized by comprising
Via controller LAN connection, dynamical system control unit is separately connected entire car controller, body stabilization system
And gear shifting actuating mechanism；
When running normally, dynamical system control unit is enabled to turn round based on the instruction control driving motor output of entire car controller
Square, when shift, what enabled dynamical system control unit was provided according to accelerator pedal signal, shift signal and body stabilization system
Speed signal carries out shift decision, and two gear automatic mechanical transmissions are completed in control driving motor and gear shifting actuating mechanism cooperation
Self shifter process.
7. electric drive two according to claim 6 keeps off automatic mechanical transmission control method, which is characterized in that the control
Driving motor processed completes the self shifter process that two keep off automatic mechanical transmissions with gear shifting actuating mechanism cooperation
Dynamical system control unit controls the driving motor and output torque is reduced to zero；
Dynamical system control unit controls the gear shifting actuating mechanism execution and plucks gear movement；
Dynamical system control unit synchronizes the output shaft revolving speed of the driving motor and described two and keeps off automatic mechanical transmission
Output shaft revolving speed；
Dynamical system control unit controls the gear shifting actuating mechanism and executes operation of putting into gear.
8. electric drive two according to claim 6 keeps off automatic mechanical transmission control method, which is characterized in that complete
After the self shifter process of two gear automatic mechanical transmissions, this method further include:
Dynamical system control unit is via the controller LAN connection between entire car controller, from the entire car controller
Receive the control instruction comprising driving motor output torque；
Dynamical system control unit controls driving motor and exports the drive via the electric signal connection between driving motor
Dynamic motor output torque.
9. a kind of electric car, which is characterized in that keep off automatic mechanical transmission including electric drive two as described in claim 1
Control system.
10. a kind of computer readable storage medium, which is characterized in that be wherein stored with computer-readable instruction, which can
The electric drive two that reading instruction is used to execute as described in any one of claim 6 to 8 keeps off automatic mechanical transmission control method.
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| CN201910404820.XA CN110131407A (en) | 2019-05-15 | 2019-05-15 | A kind of electric drive two keeps off Method for Automated Mechanical Transmission and control method |
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| CN201910404820.XA CN110131407A (en) | 2019-05-15 | 2019-05-15 | A kind of electric drive two keeps off Method for Automated Mechanical Transmission and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154022A (en) * | 2021-04-15 | 2021-07-23 | 常州易控汽车电子股份有限公司 | Embedded module of gearbox controller |
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Application publication date: 20190816 |