CN103600670B - A kind of AMT types pure electric vehicle gear-shifting control method - Google Patents
A kind of AMT types pure electric vehicle gear-shifting control method Download PDFInfo
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Abstract
The present invention proposes a kind of AMT types pure electric vehicle gear-shifting control method, comprises the steps：AMT judges whether current vehicle speed meets gearshift condition, if it is, sending gearshift request to entire car controller；Entire car controller sends control message to export corresponding torque and rotating speed according to control message driving motor by electric machine controller to electric machine controller according to gearshift request；The torque of AMT detection motors and rotating speed, and the torque according to motor and rotating speed perform gear shifting action, and after gear shifting action is completed, torque requests are sent to entire car controller；Entire car controller enters torque control model after torque requests are received, and sends control message to complete shift process to electric machine controller.The present invention is applied to AMT on pure electric vehicle, during pure electric vehicle traveling, gearshift control is realized using the communication between AMT, entire car controller and electric machine controller, so as to, on the premise of ensureing that max. speed is required, increase the continual mileage of pure electric vehicle as far as possible.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly to a kind of AMT types pure electric vehicle gear-shifting control method.
Background technology
AMT (Automatic Manual Transmission, electrical control automatic manual transmission case) is in traditional manual tooth
Improve on the basis of wheel transmission.AMT integrated the mechanical-electrical-hydraulic integration of AT (automatic) and MT (manual) both advantages from
Dynamic variator, both with hydraulic automatic speed variator self-shifting advantage, remains the gear-driven effect of former manual transmission again
Rate height, low cost, simple structure, the strong point of easily manufacture.
AMT is widely used on traditional big bus, but is not yet applied to pure electric bus.And pure electric bus are used as new energy
Source automobile, is developing direction from now on.How AMT is applied to into pure electric bus, and and then realize changing pure electric bus
Gear control, is the technical problem for being currently needed for solving.
The content of the invention
The purpose of the present invention is intended at least solve one of described technological deficiency.
For this purpose, it is an object of the invention to propose a kind of AMT types pure electric vehicle gear-shifting control method, the method can be
On the premise of ensureing that max. speed is required, increase the continual mileage of pure electric vehicle as far as possible.
To achieve these goals, embodiments of the invention provide a kind of AMT types pure electric vehicle gear-shifting control method, bag
Include following steps：
The electrical control automatic manual transmission case AMT of pure electric vehicle judges whether current vehicle speed meets gearshift condition, if it is,
Then gearshift request is sent to the entire car controller of the pure electric vehicle, wherein, the gearshift request is asked for free schema, described
Entire car controller asks to send zero target torque pattern control to the electric machine controller of the pure electric vehicle according to the free schema
Message processed；The motor of electric machine controller pure electric vehicle according to the zero target torque Schema control message driving is entered
Idling conditions, wherein, the motor exports zero-turn square under the idling conditions, and the AMT is not met judging current vehicle speed
During gearshift condition, torque requests are sent to the entire car controller；
The entire car controller sends control message to the electric machine controller of the pure electric vehicle according to the gearshift request
Corresponding torque and rotating speed are exported with the motor of pure electric vehicle according to the control message driving by the electric machine controller；
The AMT detects the torque of the motor and rotating speed, and the torque according to the motor and rotating speed perform gearshift and move
Make, and after gear shifting action is completed, torque requests are sent to the entire car controller；
The entire car controller enters torque control model after the torque requests are received, and to the motor control
Device sends control message to complete shift process, wherein, under the torque control model, only collection adds the entire car controller
Speed pedal aperture, controls the electric machine controller output target torque value.
AMT type pure electric vehicle gear-shifting control methods according to embodiments of the present invention, AMT is applied on pure electric vehicle,
During pure electric vehicle traveling, gearshift control is realized using the communication between AMT, entire car controller and electric machine controller, from
And on the premise of ensureing that max. speed is required, increase the continual mileage of pure electric vehicle as far as possible.
In one embodiment of the invention, the AMT is when judging that current vehicle speed meets gearshift condition, to the car load
Controller sends gearshift request, wherein, the gearshift request is asked for free schema；
The entire car controller asks to send zero target torque pattern to the electric machine controller according to the free schema
Control message；
Electric machine controller motor according to the zero target torque Schema control message driving enters idling conditions,
Wherein, the motor exports zero-turn square under the idling conditions.
Further, also comprise the steps：The parameter of electric machine of motor described in the electric machine controller real-time report, wherein,
The parameter of electric machine includes the current torque of the motor and current rotating speed.
In yet another embodiment of the present invention, the AMT comprises the steps after the parameter of electric machine is received：
The AMT according to the parameter of electric machine to detect the reality output torque of the motor be zero when, gear action is plucked in execution, and to institute
State entire car controller and send rotating speed request, wherein, the rotating speed request includes motor rotating speed of target.
Additionally, the entire car controller comprises the steps after the rotating speed request is received：The entire car controller
Ask to send rotating speed Schema control message to the electric machine controller according to the rotating speed；The electric machine controller is according to described turn
Fast mode control message controls the rotating speed of the motor and reaches the motor rotating speed of target, and reports the parameter of electric machine to the AMT.
Preferably, the AMT comprises the steps after the parameter of electric machine is received：
The AMT reaches the motor rotating speed of target according to the current rotating speed that the parameter of electric machine detects the motor
When, free schema request is sent to the entire car controller；
The entire car controller asks to send to the electric machine controller of the pure electric vehicle again according to the free schema
Zero target torque Schema control message；
Electric machine controller pure electric vehicle according to the zero target torque Schema control message driving is again introduced into
Idling conditions, and the parameter of electric machine is reported to the AMT.
Preferably, the AMT is when it is zero to detect the reality output torque of the motor, and execution is put into gear action, and to
The entire car controller sends torque requests；
The entire car controller performs torque control model according to the torque requests, and sends to the electric machine controller
Direct torque message is completing gear shifting action.
In one embodiment of the invention, pass through between the AMT, the entire car controller and the electric machine controller
Controller local area network's CAN is communicated.
In yet another embodiment of the present invention, the AMT is 10 by the time interval that CAN sends request message
Millisecond, the entire car controller by the CAN to the electric machine controller send control message time interval be 20
Millisecond, it is 50 milliseconds that the electric machine controller reports the cycle of the parameter of electric machine by the CAN.
In yet another embodiment of the present invention, also comprise the steps：The auto meter of the pure electric vehicle shows in real time
Show the state and parameter of the AMT, the entire car controller, the electric machine controller and the motor.
The additional aspect of the present invention and advantage will be set forth in part in the description, and partly will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment
It is substantially and easy to understand, wherein：
Fig. 1 is the AMT type pure electric vehicle power assembly structural representations according to the embodiment of the present invention；
Fig. 2 is the flow chart of the AMT type pure electric vehicle gear-shifting control methods according to the embodiment of the present invention；
Fig. 3 is the gearshift control flow chart of the entire car controller according to the embodiment of the present invention；
Fig. 4 is the AMT gearshift control flow charts according to the embodiment of the present invention；
Fig. 5 is the motor controller controls command process flow chart according to the embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；It can be machine
Tool connects, or electrically connects；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in bright.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more,
Unless otherwise expressly limited specifically.
The AMT type pure electric vehicle gear-shifting control methods of the embodiment of the present invention are described below with reference to Fig. 1 to Fig. 5.
The shift control method is communicated based on CAN (Controller Area Network, controller local area network) bus, and
And suitable for the pure electric power assembly system with AMT equipment.In one embodiment of the invention, the embodiment of the present invention
AMT type pure electric vehicles gear-shifting control method is applied to pure electric bus.
The structure of the AMT type pure electric vehicle power assembly systems of the embodiment of the present invention is described with reference first to Fig. 1.
As shown in figure 1, the AMT type pure electric vehicle power assemblies of the embodiment of the present invention include entire car controller (Vehicle
Management System, VMS) 1, battery management system 2, electrokinetic cell 3, electric machine controller 4, three phase alternating current motor 5,
AMT6, back axle 7, auto meter 8, the first trailing wheel 9, the second trailing wheel 10, the first front-wheel 11 and the second trailing wheel 12.Wherein, car load control
Device processed 1 is connected with battery management system 2, electric machine controller 4, AMT6 and auto meter 8 respectively by CAN.Battery management
System 2 is further connected with electrokinetic cell 3.Electrokinetic cell 3 exports DC high-voltage to electric machine controller 4, and electric machine controller 4 will
DC high-voltage inversion is three-phase alternating current, and is exported to three phase alternating current motor 5 to drive three phase alternating current motor 5 to work.Three-phase
Alternating current generator 5 is connected with AMT6 by power transmission shaft, and AMT6 is further connected with back axle 7 by drive shaft.Back axle 7 is respectively with first
Trailing wheel 9 is connected with the second trailing wheel 10.
In one embodiment of the invention, entered by CAN between AMT6, entire car controller 1 and electric machine controller 4
Row communication, the characteristics of solve the real-time of data transfer, sharing, internetworking.
In yet another embodiment of the present invention, AMT6 is 10 millis by the time interval that CAN sends request message
Second (ms).It is 20 milliseconds (ms) that entire car controller 1 passes through CAN to the time interval that the transmission of electric machine controller 4 controls message.
It is 50 milliseconds (ms) that electric machine controller 4 reports the cycle of the parameter of electric machine by CAN.Wherein, CAN reference standard is
CAN2.0B and SAEJ1939.CAN interface agreement is formulated jointly by entire car controller 1, AMT6 and 4 tripartite of electric machine controller.
Preferably, in vehicle operation, the auto meter 8 of pure electric vehicle can show AMT6, full-vehicle control in real time
The state and parameter of device 1, electric machine controller 4 and motor.
As shown in Fig. 2 the shift control method of the AMT6 type pure electric vehicles of the embodiment of the present invention, comprises the steps：
Step S101, the AMT6 of pure electric vehicle judge whether current vehicle speed meets gearshift condition, if it is, timing is to pure
The entire car controller 1 of electric motor car sends gearshift request.In one embodiment of the invention, AMT6 is total by CAN every 10ms
Line sends gearshift request to entire car controller 1.
Specifically, AMT6 sends gearshift request to entire car controller 1 when judging that current vehicle speed meets gearshift condition.Its
In, gearshift request is asked for free schema.In other words, AMT6 is when judging that current vehicle speed meets gearshift condition, to full-vehicle control
Device 1 sends free schema request.
It should be noted that AMT6 is when judging that current vehicle speed does not meet gearshift condition, torque is sent to entire car controller 1
Torque mode request is changed to free schema request when judging that current vehicle speed meets gearshift condition by mode request.
Step S102, entire car controller 1 according to gearshift request to pure electric vehicle electric machine controller 4 send control message with
Corresponding torque and rotating speed are exported according to the motor of control message driving pure electric vehicle by electric machine controller 4.
It is zero target that entire car controller 1 asks to electric machine controller 4 message that controls for sending according to the free schema of AMT6
Torque mode controls message.Electric machine controller 4 enters idling conditions according to zero target torque Schema control message driving motor 5.
Wherein, output torque is zero to motor 5 in the idling condition.
In one embodiment of the invention, electric machine controller 4 can with the parameter of electric machine of real-time report motor, for example to
AMT6 reports the parameter of electric machine.Wherein, the parameter of electric machine includes the current torque and current rotating speed of motor 5.
Step S103, the torque of AMT6 detection motors 5 and rotating speed, and the torque according to motor 5 and rotating speed execution gearshift are dynamic
Make, and after gear shifting action is completed, torque requests are sent to entire car controller 1.
Specifically, after the parameter of electric machine that AMT6 is received, the reality output torque of motor 5 is detected according to the parameter of electric machine
When being zero, gear action is plucked in execution, and sends rotating speed request to entire car controller 1.In an example of the present invention, rotating speed request
Including motor rotating speed of target.
Entire car controller 1 after rotating speed request is received asks to send rotating speed pattern control to electric machine controller 4 according to rotating speed
Message processed.Electric machine controller 4 reaches motor rotating speed of target according to the actual speed of rotating speed Schema control message controlled motor 5, and
The parameter of electric machine is reported to AMT6.
AMT6 after the above-mentioned parameter of electric machine is received, when the current rotating speed for detecting motor 5 reaches motor rotating speed of target,
Rotating speed matching is completed, free schema request is sent to entire car controller 1, otherwise continue to send rotating speed request to entire car controller 1.
Entire car controller 1 sends zero target torque mould to electric machine controller 4 again according to the free schema request for receiving
Formula controls message.Electric machine controller 4 is again introduced into the shape that dallies according to the zero target torque Schema control message driving pure electric vehicle
State, and the parameter of electric machine is reported to AMT6.
AMT6 is performed and is hung shelves action when it is zero to detect the reality output torque of motor 5, and to entire car controller 1
Send torque requests.
Step S104, entire car controller 1 enter torque control model after torque requests are received, and to electric machine controller
4 send control message, complete shift process.
Entire car controller 1 performs torque control model according to the torque requests of AMT6, and sends torque to electric machine controller 4
Control message, completes gear shifting action.
Fig. 3 shows the gearshift control flow process of entire car controller 1.
Step S201, entire car controller 1 are received and are processed the CAN message of AMT6 transmissions and carried out with the request mode to AMT6
Judge.
Step S202, entire car controller 1 judge whether the request mode of AMT6 is free schema, if it is, performing step
Rapid S203, otherwise execution step S204.
Step S203, entire car controller 1 send torque control model, the order that torque value is zero.
Step S204, entire car controller 1 judge whether the request mode of AMT6 is rotating speed control mode, if it is, holding
Row step S205, otherwise execution step S206.
Step S205, entire car controller 1 send rotating speed control mode, the order that torque value is zero.
Step S206, entire car controller 1 judge whether the request mode of AMT6 is torque control model, if it is, holding
Row step S208, otherwise execution step S207.
Step S207, entire car controller 1 perform other patterns.
Step S208, entire car controller 1 send torque mode control command according to predetermined control strategies such as accelerator pedals, so
Return to step S201 afterwards.
Specifically, in the case of torque control model, only collection accelerator pedal aperture carrys out controlled motor control to entire car controller 1
Device processed 4 exports target torque value.After the free schema for receiving AMT6 is asked, the direct torque that target torque is zero is sent out
Mode command is to electric machine controller 4.After the rotating speed mode request message of AMT6 is received, the mesh of AMT6 requirement is sent out immediately
The rotating speed control mode order of mark tachometer value is to electric machine controller 4.When entire car controller 1 receives the torque requests message of AMT6
Afterwards, accelerator pedal aperture is only processed, direct torque order is sent to electric machine controller 4.
It should be noted that 4 control commands processed from entire car controller 1 of electric machine controller.Turn when AMT6 sends
During square mode request message, entire car controller 1 is not responding to the request message, and is only basic input quantity to the aperture of accelerator pedal
5 output torque of controlled motor.When only AMT6 sends rotating speed request and free schema request message, entire car controller 1 is just carried out
Response is processed.
Fig. 4 shows the gearshift control flow process of AMT6.
Step S301, AMT6 receive and process CAN message to judge control model.
Step S302, AMT6 judge whether control model is torque control model, if it is, execution step S303, no
Then execution step S306.
Step S303, AMT6 judge whether speed meets gearshift request, if it is, execution step S305, otherwise performs
Step S304.
Step S304, AMT6 send torque mode request message to entire car controller 1.
Request mode is changed to free schema by step S305, AMT6.
AMT6 in the case of judging that speed meets shift condition sends free schema and asks to entire car controller 1.
Step S306, AMT6 judge whether present mode is free schema, if it is, execution step S307, otherwise holds
Row step S310.
Step S307, AMT6 judge whether actual motor torque value is zero, if it is, execution step S309, otherwise holds
Row step S308.
Step S308, AMT6 send free schema request command to entire car controller 1.
Step S309, AMT6 complete to pluck gear action, and request mode is changed to rotating speed control mode.
After AMT6 waits entire car controller 1, the response free schema of electric machine controller 4, AMT6 completes to pluck a grade action, then
The order of rotating speed mode request is sent to entire car controller 1.
Step S310, AMT6 judge whether present mode is rotating speed control mode, if it is, execution step S311, no
Then execution step S314.
Step S311, AMT6 judge whether motor actual speed reaches rotating speed of target, if it is, execution step S313,
Otherwise execution step S312.
Preferably, AMT6 is judging motor actual speed and rotating speed of target in default ratio range, can both assert motor
Whether actual speed reaches rotating speed of target.
Step S312, AMT6 send rotating speed mode request order to entire car controller 1.
Request mode is changed to free schema by step S313, AMT6.
Step S314, AMT6 judge whether present mode is free schema, if it is, execution step S315, otherwise holds
Row step S318.
Step S315, AMT6 judge whether actual motor torque value is zero, if it is, execution step S317, otherwise holds
Row step S316.
Step S316, AMT6 send rotating speed mode request order to entire car controller 1.
Step S317, AMT6 complete to hang shelves action, and request mode is changed to torque control model, then execution step
S316。
AMT6 sends torque mode to entire car controller 1, and entire car controller 1 differentiates accelerator pedal aperture again, carries out turning
Square control model.
Step S318, AMT6 send error pattern message, are processed according to predetermined control strategy, are then back to step
S301。
After AMT6 completes to pluck grade action, now driver's brake pedal causes speed drastically to decline, AMT6 adjustment
Shift strategy switchs to send free schema request always, until entire car controller 1 is responded, into shelves action is hung, terminates gear shift.
It should be noted that when AMT6 itself is faulty, AMT6 will not propose gear shift action request.
Fig. 5 shows motor controller controls command process flow process.
Step S401, electric machine controller 4 are received and process the CAN message of entire car controller 1 to judge entire car controller 1
Control model.
Step S402, electric machine controller 4 determine whether torque control model, if it is, execution step S403, otherwise
Execution step S404.
Step S403, electric machine controller 4 is according to target torque value motor 5.
, when zero target torque Schema control message of entire car controller 1 is received, motor 5 is defeated for electric machine controller 4
Go out zero-turn square.
Step S404, electric machine controller 4 determine whether rotating speed control mode, if it is, execution step S405, otherwise
Execution step S406.
Step S405, electric machine controller 4 is according to rotating speed of target value motor 5.
Step S406, electric machine controller 4 perform other patterns.
Step S407, electric machine controller 4 work according to preset strategy motor 5.
Step S408, electric machine controller 4 report the parameter message such as motor speed.
From the foregoing, it will be observed that electric machine controller 4 processes the control command message from entire car controller 1, control command message point
For two kinds：Torque control model and rotating speed control mode, coordinate AMT6 to complete gear shift action.
AMT type pure electric vehicle gear-shifting control methods according to embodiments of the present invention, AMT is applied on pure electric vehicle,
During pure electric vehicle traveling, the control to shifting gears is realized using the communication between AMT, entire car controller and electric machine controller
System, more efficiently using vehicle mounted dynamic battery energy, improves max. speed, on the premise of requiring in guarantee max. speed,
Increase the continual mileage of pure electric vehicle as far as possible.Also, the advantage of AMT can be applied to pure electric bus, and effort by the present invention
Shorten shift time.Additionally, the AMT of the present invention, communicated using CAN between entire car controller and electric machine controller,
The characteristics of solving the real-time of data transfer, sharing, internetworking.
In flow chart or here any process described otherwise above or method description are construed as, expression includes
It is one or more for realizing specific logical function or process the step of the module of code of executable instruction, fragment or portion
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein the suitable of shown or discussion can not be pressed
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example are referred to necessarily.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is in the principle and objective without departing from the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.The scope of the present invention
Extremely it is equal to limit by claims.
Claims (9)
1. a kind of electrical control automatic manual transmission case AMT type pure electric vehicle gear-shifting control methods, it is characterised in that including as follows
Step：
The electrical control automatic manual transmission case AMT of pure electric vehicle judges whether current vehicle speed meets gearshift condition, if it is, to
The entire car controller of the pure electric vehicle sends gearshift request, wherein, the gearshift request is asked for free schema, the car load
Controller asks to send zero target torque Schema control report to the electric machine controller of the pure electric vehicle according to the free schema
Text；The motor of electric machine controller pure electric vehicle according to the zero target torque Schema control message driving enters idle running
State, wherein, the motor exports zero-turn square under the idling conditions, and the AMT does not meet gearshift judging current vehicle speed
During condition, torque requests are sent to the entire car controller；
The entire car controller according to it is described gearshift request to the pure electric vehicle electric machine controller send control message with by
Electric machine controller motor of pure electric vehicle according to the control message driving exports corresponding torque and rotating speed；
The AMT detects the torque of the motor and rotating speed, and the torque according to the motor and rotating speed perform gear shifting action, with
And after gear shifting action is completed, torque requests are sent to the entire car controller；
The entire car controller enters torque control model after the torque requests are received, and sends out to the electric machine controller
Control message is sent to complete shift process, wherein, the entire car controller under the torque control model, step on by only collection acceleration
Plate aperture, controls the electric machine controller output target torque value.
2. AMT types pure electric vehicle gear-shifting control method as claimed in claim 1, it is characterised in that also comprise the steps：
The parameter of electric machine of motor described in the electric machine controller real-time report, wherein, the parameter of electric machine includes the current of the motor
Torque and current rotating speed.
3. AMT types pure electric vehicle gear-shifting control method as claimed in claim 2, it is characterised in that the AMT is being received
After the parameter of electric machine, comprise the steps：
The AMT according to the parameter of electric machine to detect the reality output torque of the motor be zero when, gear action is plucked in execution, and
Rotating speed request is sent to the entire car controller, wherein, the rotating speed request includes motor rotating speed of target.
4. AMT types pure electric vehicle gear-shifting control method as claimed in claim 3, it is characterised in that the entire car controller
After the rotating speed request is received, comprise the steps：
The entire car controller asks to send rotating speed Schema control message to the electric machine controller according to the rotating speed；
The electric machine controller reaches the motor target according to the rotating speed that the rotating speed Schema control message controls the motor
Rotating speed, and the parameter of electric machine is reported to the AMT.
5. AMT types pure electric vehicle gear-shifting control method as claimed in claim 4, it is characterised in that the AMT is being received
After the parameter of electric machine, comprise the steps：
When the AMT reaches the motor rotating speed of target according to the current rotating speed that the parameter of electric machine detects the motor, to
The entire car controller sends the free schema request；
The entire car controller asks to send zero mesh to the electric machine controller of the pure electric vehicle again according to the free schema
Mark torque mode control message；
Electric machine controller pure electric vehicle according to the zero target torque Schema control message driving is again introduced into idle running
State, and the parameter of electric machine is reported to the AMT.
6. AMT types pure electric vehicle gear-shifting control method as claimed in claim 5, it is characterised in that
The AMT when it is zero to detect the reality output torque of the motor, put into gear action by execution, and to the full-vehicle control
Device sends torque requests；
The entire car controller performs torque control model according to the torque requests, and sends torque to the electric machine controller
Control message to complete gear shifting action.
7. AMT types pure electric vehicle gear-shifting control method as claimed in claim 1, it is characterised in that the AMT, described whole
Communicated by controller local area network's CAN between vehicle controller and the electric machine controller.
8. AMT types pure electric vehicle gear-shifting control method as claimed in claim 7, it is characterised in that the AMT passes through CAN
It is 10 milliseconds that bus sends the time interval of request message,
It is 20 in the least that the entire car controller is sent to the electric machine controller by the CAN and control the time interval of message
Second,
It is 50 milliseconds that the electric machine controller reports the cycle of the parameter of electric machine by the CAN.
9. AMT type pure electric vehicle gear-shifting control methods as described in any one of claim 1-8, it is characterised in that also include
Following steps：The auto meter of the pure electric vehicle shows the AMT, the entire car controller, the electric machine controller in real time
With the state and parameter of the motor.
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| CN201310607082.1A CN103600670B (en) | 2013-11-25 | 2013-11-25 | A kind of AMT types pure electric vehicle gear-shifting control method |
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| CN201310607082.1A CN103600670B (en) | 2013-11-25 | 2013-11-25 | A kind of AMT types pure electric vehicle gear-shifting control method |
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| CN111152665A (en) * | 2020-01-08 | 2020-05-15 | 吉林大学 | A method for controlling the shift process of pure electric vehicle AMT based on driving style recognition |
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| CN105313896B (en) * | 2014-06-18 | 2018-03-27 | 北京现代汽车有限公司 | A kind of control method and device of automobile gears management |
| CN104728422A (en) * | 2015-03-23 | 2015-06-24 | 山东理工大学 | Electric vehicle gear-shifting control method and system |
| CN107791968B (en) * | 2017-09-26 | 2019-09-10 | 厦门金龙汽车新能源科技有限公司 | A kind of pure electric coach AT gearbox shifting control device and control method |
| CN109094424B (en) * | 2018-09-04 | 2021-08-27 | 合肥巨一动力系统有限公司 | Self-adaptive gear clearance compensation method |
| CN114791039B (en) * | 2021-01-25 | 2023-09-15 | 长城汽车股份有限公司 | Gear shifting control method and device for rear axle gearbox and vehicle |
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| KR101294172B1 (en) * | 2011-10-10 | 2013-08-08 | 현대자동차주식회사 | Shift control method for amt hybrid vehicle |
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