CN103723142B - Startup control method and the electric automobile of pure electric automobile - Google Patents

Startup control method and the electric automobile of pure electric automobile Download PDF

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Publication number
CN103723142B
CN103723142B CN201210390524.7A CN201210390524A CN103723142B CN 103723142 B CN103723142 B CN 103723142B CN 201210390524 A CN201210390524 A CN 201210390524A CN 103723142 B CN103723142 B CN 103723142B
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China
Prior art keywords
entire car
gearbox
gear
car controller
gearshift
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CN201210390524.7A
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Chinese (zh)
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CN103723142A (en
Inventor
邵赓华
田斌
艾名升
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Beiqi Foton Motor Co Ltd
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Beiqi Foton Motor Co Ltd
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/16—Ratio selector position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/08—Electric propulsion units
    • B60W2710/081—Speed

Abstract

The startup control method that the invention discloses a kind of pure electric automobile, comprises the following steps: entire car controller receives driver's startup engage a gear signal; Startup engage a gear signal is sent to gearbox control by entire car controller; Gearbox control detects gearbox; After gearbox control judgement meets gearshift condition, gearbox control sends gearshift request to entire car controller; Entire car controller is after judgement allows gearshift, and gearbox control sends rotation command to electric machine controller; Motor controller controls motor rotates with preset rotation speed, to adjust the angle between motor output shaft external splines and automatic mechanical transmission AMT body power shaft clutch collar gear. Can avoid when the vehicle start gearbox power shaft to engage gear ring and motor output shaft external splines withstands according to embodiments of the invention, have advantages of and can complete smoothly the operation of putting into gear. The invention allows for a kind of electric automobile.

Description

Startup control method and the electric automobile of pure electric automobile
Technical field
The present invention relates to field of automobile, particularly a kind of startup control of pure electric automobileMethod and electric automobile.
Background technology
At present, the not tape synchronizer of AMT body of some electric automobile, in the situation of the normal starting of vehicleUnder, put into gear when operation in execution, gearbox power shaft engage gear ring may with motor output shaft external splinesWithstand, thereby cause completing the operation of putting into gear.
The dynamical system of this electric automobile is to be directly connected with AMT body by drive motors, has cancelled biographyThe clutch of system, normal gearshift places one's entire reliance upon coordinating of drive motors and AMT body. At vehicle justWhen normal starting, the shift handle signal receiving when gearbox control is converted to D or R shelves by N shelves,Directly carry out the operation of putting into gear. Because this AMT body is cancelled synchronized, so gearbox power shaft engagesGear ring just may withstand with motor output shaft external splines, causes the fault that starts to walk.
Summary of the invention
Object of the present invention is intended at least solve one of described technological deficiency.
For this reason, one object of the present invention is to propose one and can avoids gearbox in the time of vehicle startPower shaft engages gear ring and motor output shaft external splines and withstands, and has that can complete smoothly puts into gear and operatesThe startup control method of pure electric automobile.
Another object of the present invention is to propose a kind of electric automobile.
For reaching described object, the embodiment of first aspect present invention discloses a kind of pure electric automobileStart control method, comprise the following steps: entire car controller receives driver's startup engage a gear signal;Described startup engage a gear signal is sent to gearbox control by described entire car controller; Described gearbox controlDevice processed detects gearbox; After described gearbox control judgement meets gearshift condition, instituteState gearbox control and send gearshift request to described entire car controller; Described entire car controller is in judgementAfter allowing gearshift, described gearbox control sends rotation command to electric machine controller; And described inMotor controller controls motor rotates with preset rotation speed, to adjust described motor output shaft external splines and machineAngle between tool formula automatic transmission AMT body power shaft clutch collar gear.
According to the startup control method of the pure electric automobile of the embodiment of the present invention, in the time that vehicle is normally started to walk,For example, while having N shelves to fade to D shelves or R shelves, send to electric machine controller to rotate by gearbox controlInstruction, make motor output shaft rotate, gearbox power shaft engage gear ring just with motor power shaft external splinesForm dislocation, can complete smoothly thus the operation of putting into gear, avoid occurring gearbox power shaft engage gear ring andMotor output shaft external splines withstands, and causes the generation of fault that cannot engage a gear, thereby improves electric automobileSafety and reliability.
In addition, the startup control method of pure electric automobile according to the above embodiment of the present invention can also toolThere is following additional technical characterictic:
In some instances, also comprise: described entire car controller judges whether to meet gearshift condition; WithAnd if judgement meets gearshift condition, described entire car controller judgement permission gearshift.
In some instances, also comprise: described entire car controller carried out described startup engage a gear signalFilter.
In some instances, also comprise: described gearbox control detects the rotating speed of described motor; WhenWhen the rotating speed of described motor equals the rotating speed of target of described motor, carry out engage a gear operation.
In some instances, also comprise: described electric machine controller is to described entire car controller or gearboxController sends response signal, wherein, in described response signal, has flag bit.
Further, in the time that described flag bit is 0, described response signal is used for responding described car load controlThe request of device processed, in the time that described flag bit is 1, described response signal is used for responding described gearbox controlThe request of device processed.
The embodiment of second aspect present invention discloses a kind of electric automobile, comprising: gearbox; Car loadController, described entire car controller is for receiving driver's startup engage a gear signal, and changes receivingAfter gear request, judge whether to allow gearshift; Gearbox control, described gearbox control is for receivingFrom the startup engage a gear signal of described entire car controller, and receive after described startup engage a gear signal rightDescribed gearbox detects, and after judgement meets gearshift condition, sends to described entire car controllerGearshift request, and allow to generate rotation command after gearshift in described entire car controller judgement; Motor controlDevice processed, described electric machine controller receives the rotation command from described gearbox control, and is receivingAfter described rotation command, control motor and rotate with preset rotation speed, spend outward to adjust motor output shaftAngle between key and automatic mechanical transmission AMT body power shaft clutch collar gear.
According to the electric automobile of the embodiment of the present invention, in the time that vehicle is normally started to walk, for example, there are N shelves to fade toWhen D shelves or R shelves, send to electric machine controller rotation command by gearbox control, make motor defeatedShaft rotates, and gearbox power shaft engages gear ring and just forms dislocation with motor power shaft external splines, thusCan complete smoothly the operation of putting into gear, avoid occurring that gearbox power shaft engages gear ring and motor output shaft is spent outwardKey withstands, and causes the generation of fault that cannot engage a gear, thereby improves the security of electric automobile and reliableProperty.
The aspect that the present invention is additional and advantage in the following description part provide, and part will be from belowDescription in become obviously, or recognize by practice of the present invention.
Brief description of the drawings
Of the present invention and/or additional aspect and advantage be retouching embodiment below in conjunction with accompanying drawingState middle becoming obviously and easily and understand, wherein:
Fig. 1 is car load control in the startup control method of pure electric automobile according to an embodiment of the inventionBetween device processed, electric machine controller, gearbox control and gearbox, be related to schematic diagram;
Fig. 2 is the flow process of the startup control method of pure electric automobile according to an embodiment of the inventionFigure;
Fig. 3 is the flow process of the startup control method of pure electric automobile according to another embodiment of the present inventionFigure; And
Fig. 4 be electric automobile according to an embodiment of the invention entire car controller, electric machine controller,The structured flowchart of gearbox control and gearbox.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, itsIn from start to finish same or similar label represent same or similar element or there is identical or similar meritThe element of energy. Exemplary below by the embodiment being described with reference to the drawings, only for explaining thisBright, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " longitudinally ", " laterally ", " on ",D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ",The orientation of the instruction such as " end " " interior ", " outward " or position relationship be based on orientation shown in the drawings orPosition relationship, is only the present invention for convenience of description and simplified characterization, instead of instruction or hint indicationDevice or element must there is specific orientation, with specific orientation structure and operation, therefore can notBe interpreted as limitation of the present invention.
In description of the invention, it should be noted that, unless otherwise prescribed and limit, term " peaceDress ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or be electrically connectedConnecing, can be also the connection of two element internals, can be to be directly connected, and also can pass through middle matchmakerBe situated between and be indirectly connected, for the ordinary skill in the art, can understand as the case may be instituteState the concrete meaning of term.
Fig. 1 is car load control in the startup control method of pure electric automobile according to an embodiment of the inventionBetween device processed, electric machine controller, gearbox control and gearbox, be related to schematic diagram. As Fig. 1 instituteShow, in the electric automobile of the embodiment of the present invention, increase automatic mechanical speed variator system (AMT), canTo ensure that motor (not shown) is operated in efficient district, obtains vehicle on car load continual mileageLarger lifting, can better embody vehicle power simultaneously, especially moving under the situation of climbingPower is good. The AMT increasing, is automatically performed according to whole vehicle state by gearbox control (TCU)Put into gear, pluck shelves operation, can ensure convenience and comfortableness that electric motor car is driven.
Fig. 2 is the flow process of the startup control method of pure electric automobile according to an embodiment of the inventionFigure.
As shown in Figure 2, and in conjunction with Fig. 1, opening of pure electric automobile according to an embodiment of the inventionFlowing control method, comprises the following steps:
Step S201, entire car controller (VCU) receives driver's startup engage a gear signal (RNDSignal). For example, in the time that electric automobile is normally started to walk, driver is allocated to D shelves by shift handle by N shelvesOr when R shelves, VCU gathers this RND signal.
Step S202, startup engage a gear signal is sent to gearbox control (TCU) by entire car controller.
Step S203, gearbox control detects gearbox (AMT gearbox). For example,Whether normally detect gearbox, fault-free, and the current state of gearbox is detected. Real at thisIn example, the object of detection is in order to judge whether gearbox meets gearshift condition, for example, and can be according to inspectionThe gearbox state measuring judges whether to meet gearshift condition.
Step S204, after gearbox control judgement meets gearshift condition, gearbox control toEntire car controller sends gearshift request. This gearshift request can be a signal, can be also a fingerOrder, certainly, embodiments of the invention to this not restriction, for example, can also be a value.
Step S205, entire car controller is after judgement allows gearshift, and gearbox control is to motor controlDevice processed (MCU) sends rotation command. In one embodiment of the invention, entire car controller is connecingAfter receiving gearshift request, first entire car controller judges whether to meet gearshift condition; If then sentencedBreak and meet gearshift condition, entire car controller judgement allows gearshift. In this example, judge whether completelyFoot gearshift condition is for example for entire car controller judges gearshift request according to car load situation, at car loadSituation is normal, and gearshift is judged as when enabled condition and meets gearshift condition, allows gearshift.
Then, gearbox control sends rotation command to electric machine controller. Particularly, at car loadAfter controller judgement allows gear shift, first TCU sends motor speed mode request to MUC,Make MCU carry out rotating speed pattern, MCU enters the backward TCU of rotating speed pattern and feeds back, and TCU connectsReceive after the rotating speed pattern of MCU feedback, send rotation command to MCU, this rotation command comprises and turningSpeed, for example rotating speed is 10rpm.
Step S206, motor controller controls motor (not shown) is rotated with preset rotation speed, withAdjusting the inputs of motor output shaft external splines and automatic mechanical transmission AMT body (AMT) is couplingAngle between trap gear. In this example, preset rotation speed can be set in advance as above-mentioned rotation and refers toThe rotating speed that order comprises, as 10rpm. Also can rotation command be resolved and be obtained.
When motor controller controls motor rotates with preset rotation speed, also can comprise the following steps: gearboxController detects the rotating speed of motor; In the time that the rotating speed of motor equals the rotating speed of target of motor, carry out engage a gearOperation. In this example, this rotating speed of target can be above-mentioned preset rotation speed, thus, and outside motor output shaftAngulation between spline and automatic mechanical transmission AMT body power shaft clutch collar gear, avoidsAnswer back to, thereby can complete smoothly engage a gear.
According to the startup control method of the pure electric automobile of the embodiment of the present invention, in the time that vehicle is normally started to walk,For example, while having N shelves to fade to D shelves or R shelves, send to electric machine controller to rotate by gearbox controlInstruction, make motor output shaft rotate, gearbox power shaft engage gear ring just with motor power shaft external splinesForm dislocation, can complete smoothly thus the operation of putting into gear, avoid occurring gearbox power shaft engage gear ring andMotor output shaft external splines withstands, and causes the generation of fault that cannot engage a gear, thereby improves electric automobileSafety and reliability.
In one embodiment of the invention, entire car controller can filter starting engage a gear signal.Startup engage a gear signal after filtering is sent to gearbox control. The object of for example filtering is to startingEngage a gear signal carries out debounce, ensures to start engage a gear signal accurately and reliably.
In examples more of the present invention, electric machine controller and entire car controller, or electric machine controllerAnd the communication between gearbox control can judge that electric machine controller is with whole by the mode of response signalVehicle controller communication or electric machine controller and gearbox control communication, particularly, Electric Machine ControlDevice sends response signal to entire car controller or gearbox control, wherein, has mark in response signalWill position. Further, in the time that flag bit is 0, response signal is used for responding the request of entire car controller,In the time that flag bit is 1, response signal is for responding the request of gearbox control. Thus, motor controlDevice processed can be to the response of different controllers (entire car controller and gearbox control) request.
Fig. 3 is the flow process of the startup control method of pure electric automobile according to another embodiment of the present inventionFigure.
As shown in Figure 3, in the time that electric motor car normally starts to walk, driver is allocated to D by shift handle by N shelvesOr R shelves, this startup engage a gear signal is gathered by VCU, after signal debounce, will start engage a gear signalBe sent to TCU, TCU receives after this signal, changes according to judging whether when front gear box state to meetBlend stop part. In the time meeting gearshift condition, TCU sends gearshift request to VCU, and VCU is according to car loadSituation judges gearshift request, judges whether to allow gearshift. When VCU allows, after gearshift, will permitPermitted gear shifting signal and be sent to TCU, now, TCU sends motor speed mode request, MCU to MCUDetermine whether rotating speed pattern, after being judged as rotating speed pattern, MUC is to TCU feedback motor mouldFormula feedback, feeds back to TCU by motor speed pattern, and the motor that TCU receives MCU feedback turnsAfter fast mode, TCU sends rotating speed request, for example request of 10rpm rotating speed to MCU. MUC controlMotor speed processed fades to 10rpm, and to TCU feedback motor speed, the motor monitoring as TCUWhen rotating speed equals the rotating speed of motor speed request, the operation of putting into gear, and engage a gear settling signal is fed backGive VCU, VCU is receiving after engage a gear settling signal, judges that engage a gear completes. Wherein MCU coupleThe response of VCU and TCU determines by a flag bit, and by default, this flag bit is 0, MCUThe request of response VCU; In the time of mark position 1, the request of MCU response TCU, MCU thusCan respond different controller requests.
Fig. 4 be electric automobile according to an embodiment of the invention entire car controller, electric machine controller,The structured flowchart of gearbox control and gearbox.
As shown in Figure 4, electric automobile according to an embodiment of the invention, comprising: gearbox 410,Entire car controller 420, gearbox control 430 and electric machine controller 440.
Particularly, entire car controller 420 is for receiving driver's startup engage a gear signal, for example, when electricityWhen electrical automobile is normally started to walk, when driver is allocated to D shelves or R shelves by shift handle by N shelves, VCUGather this RND signal, and after gearshift request, judge whether to allow gearshift receiving.
Gearbox control 430 is for receiving the startup engage a gear signal from entire car controller 420, andGearbox 410 is detected receiving after starting engage a gear signal, for example, detect gearbox 410Whether normal, fault-free, and the current state of gearbox 410 is detected. In this example,The object detecting is in order to judge whether gearbox 410 meets gearshift condition, for example, and can be according to detectionTo gearbox 410 states judge whether to meet gearshift condition, after judgement meets gearshift condition,Send gearshift request to entire car controller 420, this gearshift request can be a signal, can be alsoAn instruction, certainly, embodiments of the invention to this not restriction, for example, can also be a value.And allow to generate rotation command after gearshift in entire car controller 420 judgements. In a reality of the present inventionExecute in example, entire car controller 420 is after receiving gearshift request, and first entire car controller 420 is sentencedBreak and whether meet gearshift condition; If then judgement meets gearshift condition, entire car controller 420 is sentencedDisconnected permission shifted gears. In this example, judging whether to meet gearshift condition is for example entire car controller 420According to car load situation, gearshift request is judged, normal in car load situation, and when gearshift enabled conditionBe judged as and meet gearshift condition, allow gearshift.
Then, gearbox control 430 sends rotation command to electric machine controller 440. Particularly,After entire car controller 420 judgements allow gear shift, first TCU sends motor speed mould to MUCFormula request, even if MCU carries out rotating speed pattern, MCU enters the backward TCU of rotating speed pattern and feeds back,TCU receives after the rotating speed pattern of MCU feedback, sends rotation command to MCU, this rotation commandComprise rotating speed, for example rotating speed is 10rpm.
Electric machine controller 440 receives the rotation command from gearbox control 430, and is receivingAfter rotation command, control motor and rotate with preset rotation speed, to adjust motor output shaft external splines and machineAngle between tool formula automatic transmission AMT body power shaft clutch collar gear. In this example, pre-If rotating speed can be set in advance as the rotating speed that above-mentioned rotation command comprises, as 10rpm. Also can be to rotatingInstruction is resolved and is obtained.
When electric machine controller 440 is controlled motor and rotated with preset rotation speed, gearbox control 430 is also usedIn: the rotating speed that detects motor; In the time that the rotating speed of motor equals the rotating speed of target of motor, carry out engage a gear behaviourDo. In this example, this rotating speed of target can be above-mentioned preset rotation speed, and thus, motor output shaft is spent outwardAngulation between key and automatic mechanical transmission AMT body power shaft clutch collar gear, avoids topHit, thereby can complete smoothly engage a gear.
In one embodiment of the invention, entire car controller 420 also for: to starting engage a gear signalFilter. Startup engage a gear signal after filtering is sent to gearbox control 430. For example filterObject be to carry out debounce to starting engage a gear signal, ensure to start engage a gear signal accurately and reliably.
In examples more of the present invention, electric machine controller 440 and entire car controller 420, or electricityCommunication between machine controller 440 and gearbox control 430 can judge by the mode of response signalElectric machine controller 440 is and entire car controller 420 communications or electric machine controller 440 and gearbox controlDevice 430 communications processed, particularly, electric machine controller 440 for: to entire car controller 420 or becomeSpeed case controller 430 sends response signal, wherein, has flag bit in response signal. Further,In the time that flag bit is 0, response signal is for responding the request of entire car controller 420, when flag bit is1 o'clock, response signal was for responding the request of gearbox control 430. Thus, electric machine controller 440Can be to the response of different controllers (entire car controller 420 and gearbox control 430) request.
According to the electric automobile of the embodiment of the present invention, in the time that vehicle is normally started to walk, for example, there are N shelves to fade toWhen D shelves or R shelves, send to electric machine controller 440 rotation commands by gearbox control 430,Make motor output shaft rotate, gearbox 410 power shafts engage gear rings just with motor power shaft external splines shapeBecome dislocation, can complete smoothly thus the operation of putting into gear, avoid occurring that gearbox 410 power shafts engage gear ringWithstand with motor output shaft external splines, cause the generation of fault that cannot engage a gear, thereby improve electronic vapourThe safety and reliability of car.
In addition, according to other formation of the electric automobile of the embodiment of the present invention and effect for this areaTechnical staff be all known, do not describe herein.
In the description of this description, reference term " embodiment ", " some embodiment ", " showExample ", the description of " concrete example " or " some examples " etc. means in conjunction with this embodiment or exampleDescribe specific features, structure, material or feature be contained at least one embodiment of the present invention orIn example. In this manual, the schematic statement of described term is not necessarily referred to identical realityExecute example or example. And specific features, structure, material or the feature of description can be anyIn one or more embodiment or example with suitable mode combination.
Although illustrated and described embodiments of the invention, for those of ordinary skill in the art, being appreciated that without departing from the principles and spirit of the present invention can be to these embodimentCarry out multiple variation, amendment, replacement and modification, scope of the present invention by claims and etc.With limiting.

Claims (6)

1. a startup control method for pure electric automobile, is characterized in that, comprises the following steps:
Entire car controller receives driver's the startup signal of putting into gear;
The described startup signal of putting into gear is sent to gearbox control by described entire car controller;
Described gearbox control detects gearbox;
After described gearbox control judgement meets gearshift condition, described gearbox control is to instituteState entire car controller and send gearshift request;
Described entire car controller is after judgement allows gearshift, and described gearbox control is to Electric Machine ControlDevice sends rotation command; And
Described motor controller controls motor rotates with preset rotation speed, to adjust motor output shaft external splinesAnd angle between automatic mechanical transmission AMT body power shaft clutch collar gear, wherein, described inElectric machine controller sends response signal to described entire car controller or gearbox control, wherein, described inIn response signal, there is flag bit.
2. the startup control method of pure electric automobile as claimed in claim 1, is characterized in that, alsoComprise:
Described entire car controller judges whether to meet gearshift condition; And
If judgement meets gearshift condition, described entire car controller judgement allows gearshift.
3. the startup control method of pure electric automobile as claimed in claim 1, is characterized in that, alsoComprise:
Described entire car controller filters the described startup signal of putting into gear.
4. the startup control method of pure electric automobile as claimed in claim 1, is characterized in that, alsoComprise:
Described gearbox control detects the rotating speed of described motor;
In the time that the rotating speed of described motor equals the rotating speed of target of described motor, the operation of putting into gear.
5. the startup control method of pure electric automobile as claimed in claim 1, is characterized in that, itsIn, in the time that described flag bit is 0, described response signal is used for responding the request of described entire car controller,In the time that described flag bit is 1, described response signal is for responding the request of described gearbox control.
6. an electric automobile, is characterized in that, comprising:
Gearbox;
Entire car controller, described entire car controller is for the startup that the receives driver signal of putting into gear, andAfter receiving gearshift request, judge whether to allow gearshift;
Gearbox control, described gearbox control is for receiving opening from described entire car controllerThe moving signal of putting into gear, and put into gear after signal described gearbox is detected receiving described startup, whenAfter judgement meets gearshift condition, send gearshift request to described entire car controller, and at described car loadController judgement allows to generate rotation command after gearshift; And
Electric machine controller, described electric machine controller receives the rotation command from described gearbox control,And after receiving described rotation command, control motor and rotate with preset rotation speed, defeated to adjust motorAngle between shaft external splines and automatic mechanical transmission AMT body power shaft clutch collar gear,Wherein, described electric machine controller sends response signal to described entire car controller or gearbox control,Wherein, in described response signal, there is flag bit.
CN201210390524.7A 2012-10-15 2012-10-15 Startup control method and the electric automobile of pure electric automobile Active CN103723142B (en)

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