CN103723142A - Battery electric vehicle and start control method thereof - Google Patents

Battery electric vehicle and start control method thereof Download PDF

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Publication number
CN103723142A
CN103723142A CN201210390524.7A CN201210390524A CN103723142A CN 103723142 A CN103723142 A CN 103723142A CN 201210390524 A CN201210390524 A CN 201210390524A CN 103723142 A CN103723142 A CN 103723142A
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China
Prior art keywords
entire car
gear
car controller
controller
gearshift
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Granted
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CN201210390524.7A
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Chinese (zh)
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CN103723142B (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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    • 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 invention discloses a start control method of a battery electric vehicle. The method comprises the following steps that a vehicle controller receives a start and gear engagement signal of a driver; the vehicle controller transmits the start and gear engagement signal to a gearbox controller; the gearbox controller detects a gearbox; when the gearbox controller determines that the gear shifting condition is met, the gearbox controller transmits a gear shifting request to the vehicle controller, and the gearbox controller transmits a rotation instruction to a motor controller after the vehicle controller determines that gear shifting is allowed; the motor controller controls a motor to rotate at the preset rotation speed, and therefore the angle between the external splines of an output shaft of the motor and an AMT body input shaft coupling gear is adjusted. The start control method of the battery electric vehicle can prevent a gearbox input shaft coupling gear ring from abutting against the external splines of the output shaft of the motor when the vehicle is started, and has the advantage that the gear engagement operation can be smoothly achieved. The invention further provides the battery electric vehicle.

Description

Startup control method and the electronlmobil of pure electric automobile
Technical field
The present invention relates to field of automobile, particularly a kind of startup control method and electronlmobil of pure electric automobile.
Background technology
At present, the AMT body of some electronlmobil is tape synchronizer not, and the in the situation that of the normal starting of vehicle, when operation is put into gear in execution, change speed gear box input shaft engages gear ring and may withstand with motor output shaft male splines, thereby causes completing the operation of putting into gear.
The power system of this electronlmobil is to be directly connected with AMT body by drive motor, has cancelled traditional power-transfer clutch, and normal gearshift places one's entire reliance upon coordinating of drive motor and AMT body.When vehicle is normally started to walk, the shift handle signal receiving when gearbox control is converted to D or R shelves by N shelves, directly carries out the operation of putting into gear.Because this AMT body is cancelled synchro, so engaging gear ring, just may withstand with motor output shaft male splines change speed gear box input shaft, cause 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 a kind ofly can avoid when vehicle start change speed gear box input shaft to engage gear ring withstanding with motor output shaft male splines, have the startup control method of the pure electric automobile that can complete smoothly puts into gear operates.
Another object of the present invention is to propose a kind of electronlmobil.
For reaching described object, the embodiment of first aspect present invention discloses a kind of startup control method of pure electric automobile, comprises the following steps: entire car controller receives the startup engage a gear signal of chaufeur; Described entire car controller is sent to gearbox control by described startup engage a gear signal; Described gearbox control detects change speed gear box; After described gearbox control judgement meets gearshift condition, described gearbox control sends gearshift request to described entire car controller; Described entire car controller is after judgement allows gearshift, and described gearbox control sends rotation command to electric machine controller; And described motor controller controls motor rotates with preset rotation speed, to adjust the angle between described motor output shaft male splines and automatic machincal transmission AMT body input shaft sliding hub gear.
According to the startup control method of the pure electric automobile of the embodiment of the present invention, when vehicle is normally started to walk, for example, while having N shelves to fade to D shelves or R shelves, by gearbox control, send to electric machine controller rotation command, motor output shaft is rotated, change speed gear box input shaft engages gear ring and just forms dislocation with motor input shaft male splines, can complete smoothly the operation of putting into gear thus, avoid occurring that change speed gear box input shaft engages gear ring and motor output shaft male splines withstands, cause the generation of fault that cannot engage a gear, thereby improve the safety and reliability of electronlmobil.
In addition, the startup control method of pure electric automobile according to the above embodiment of the present invention can also have following additional technical characterictic:
In some instances, also comprise: described entire car controller judges whether to meet gearshift condition; And if judgement meets gearshift condition, described entire car controller judgement permission gearshift.
In some instances, also comprise: described entire car controller filters described startup engage a gear signal.
In some instances, also comprise: described gearbox control detects the rotating speed of described motor; When 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 sends response signal to described entire car controller or gearbox control, wherein, in described response signal, has zone bit.
Further, when described zone bit is 0, described response signal is for responding the request of described entire car controller, and when described zone bit is 1, described response signal is for responding the request of described gearbox control.
The embodiment of second aspect present invention discloses a kind of electronlmobil, comprising: change speed gear box; Entire car controller, described entire car controller is used for receiving the startup engage a gear signal of chaufeur, and judges whether to allow gearshift after receiving gearshift request; Gearbox control, described gearbox control is for receiving the startup engage a gear signal from described entire car controller, and after receiving described startup engage a gear signal, described change speed gear box is detected, after judgement meets gearshift condition, to described entire car controller, send gearshift request, and allow to generate rotation command after gearshift in described entire car controller judgement; 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, to adjust the angle between motor output shaft male splines and automatic machincal transmission AMT body input shaft sliding hub gear.
According to the electronlmobil of the embodiment of the present invention, when vehicle is normally started to walk, for example, while having N shelves to fade to D shelves or R shelves, by gearbox control, send to electric machine controller rotation command, motor output shaft is rotated, change speed gear box input shaft engages gear ring and just forms dislocation with motor input shaft male splines, can complete smoothly the operation of putting into gear thus, avoid occurring that change speed gear box input shaft engages gear ring and motor output shaft male splines withstands, cause the generation of fault that cannot engage a gear, thereby improve the safety and reliability of electronlmobil.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Of the present invention and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments and obviously and easily understand, wherein:
Fig. 1 is the schematic diagram that is related between entire car controller in the startup control method of pure electric automobile according to an embodiment of the invention, electric machine controller, gearbox control and change speed gear box;
Fig. 2 is the diagram of circuit of the startup control method of pure electric automobile according to an embodiment of the invention;
Fig. 3 is the diagram of circuit of the startup control method of pure electric automobile according to another embodiment of the present invention; And
Fig. 4 is the structured flowchart of entire car controller, electric machine controller, gearbox control and the change speed gear box of electronlmobil according to an embodiment of the invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, 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 ", orientation or the position relationship of the indication such as D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as limitation of the present invention.
In description of the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of described term.
Fig. 1 is the schematic diagram that is related between entire car controller in the startup control method of pure electric automobile according to an embodiment of the invention, electric machine controller, gearbox control and change speed gear box.As shown in Figure 1, in the electronlmobil of the embodiment of the present invention, increase automatic mechanical speed variator system (AMT), can guarantee that motor (not shown) is operated in efficient district, vehicle is highly improved on car load continual mileage, can better embody vehicle power, especially under the situation of climbing, dynamic property is good simultaneously.The AMT increasing, is automatically performed according to whole vehicle state and is put into gear, plucks shelves operation by gearbox control (TCU), can guarantee convenience and traveling comfort that battery-driven car is driven.
Fig. 2 is the diagram of circuit of the startup control method of pure electric automobile according to an embodiment of the invention.
As shown in Figure 2, and in conjunction with Fig. 1, the startup control method of pure electric automobile according to an embodiment of the invention, comprises the following steps:
Step S201, entire car controller (VCU) receives the startup engage a gear signal (RND signal) of chaufeur.For example, when electronlmobil is normally started to walk, when chaufeur is allocated to D shelves or R shelves by shift handle by N shelves, VCU gathers this RND signal.
Step S202, entire car controller is sent to gearbox control (TCU) by startup engage a gear signal.
Step S203, gearbox control detects change speed gear box (AMT change speed gear box).For example, whether normally detect change speed gear box, trouble free, and the current state of change speed gear box is detected.In this example, the object of detection is in order to judge whether change speed gear box meets gearshift condition, for example, can judge whether to meet gearshift condition according to the change speed gear box state detecting.
Step S204, after gearbox control judgement meets gearshift condition, gearbox control sends gearshift request to entire car controller.This gearshift request can be a signal, can be also an instruction, and 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 sends rotation command to electric machine controller (MCU).In one embodiment of the invention, entire car controller is after receiving gearshift request, and first entire car controller judges whether to meet gearshift condition; If then judgement meets gearshift condition, entire car controller judgement allows gearshift.In this example, judge whether to meet gearshift condition for example for entire car controller judges gearshift request according to car load situation, normal in car load situation, and be judged as during gearshift enabled condition and meet gearshift condition, allow gearshift.
Then, gearbox control sends rotation command to electric machine controller.Particularly, after entire car controller judgement allows gear shift, first TCU sends motor speed mode request to MUC, even if MCU carries out rotating speed pattern, MCU enters the backward TCU of rotating speed pattern and feeds back, and TCU receives after the rotating speed pattern of MCU feedback, sends rotation command to MCU, this rotation command comprises rotating speed, and for example rotating speed is 10rpm.
Step S206, motor controller controls motor (not shown) is rotated with preset rotation speed, to adjust the angle between motor output shaft male splines and automatic machincal transmission AMT body (AMT) input shaft sliding hub gear.In this example, preset rotation speed can be set in advance as the rotating speed that above-mentioned rotation command 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: gearbox control detects the rotating speed of motor; When the rotating speed of motor equals the rotating speed of target of motor, carry out engage a gear operation.In this example, this rotating speed of target can be above-mentioned preset rotation speed, and thus, angulation between motor output shaft male splines and automatic machincal transmission AMT body input shaft sliding hub gear, avoids answering 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, when vehicle is normally started to walk, for example, while having N shelves to fade to D shelves or R shelves, by gearbox control, send to electric machine controller rotation command, motor output shaft is rotated, change speed gear box input shaft engages gear ring and just forms dislocation with motor input shaft male splines, can complete smoothly the operation of putting into gear thus, avoid occurring that change speed gear box input shaft engages gear ring and motor output shaft male splines withstands, cause the generation of fault that cannot engage a gear, thereby improve the safety and reliability of electronlmobil.
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 carry out debounce to starting engage a gear signal, guarantees to start engage a gear signal accurately and reliably.
In examples more of the present invention, electric machine controller and entire car controller, or the communication between electric machine controller and gearbox control can judge that by the mode of response signal electric machine controller is and entire car controller communication or electric machine controller and gearbox control communication, particularly, electric machine controller sends response signal to entire car controller or gearbox control, wherein, in response signal, there is zone bit.Further, when zone bit is 0, response signal is for responding the request of entire car controller, and when zone bit is 1, response signal is for responding the request of gearbox control.Thus, the response that electric machine controller can be asked different controllers (entire car controller and gearbox control).
Fig. 3 is the diagram of circuit of the startup control method of pure electric automobile according to another embodiment of the present invention.
As shown in Figure 3, when battery-driven car is normally started to walk, chaufeur is allocated to D or R shelves by shift handle by N shelves, this startup engage a gear signal is gathered by VCU, after signal debounce, startup engage a gear signal is sent to TCU, and TCU receives after this signal, according to judging whether to meet gearshift condition when front gear box state.When meeting gearshift condition, TCU sends gearshift request to VCU, and VCU judges gearshift request according to car load situation, judges whether to allow gearshift.When VCU allows after gearshift, permission gear shifting signal is sent to TCU, now, TCU sends motor speed mode request to MCU, and MCU determines whether rotating speed pattern, after being judged as rotating speed pattern, MUC, to TCU feedback motor mode feedback, is about to motor speed pattern and feeds back to TCU, and TCU receives after the motor speed pattern of MCU feedback, TCU sends rotating speed request, for example request of 10rpm rotating speed to MCU.MUC controls motor speed and fades to 10rpm, and to TCU feedback motor speed, when the motor speed monitoring as TCU equals the rotating speed of motor speed request, the operation of putting into gear, and engage a gear settling signal is fed back to VCU, VCU, after receiving engage a gear settling signal, judges that engage a gear completes.Wherein MCU is determined by a zone bit the response of VCU and TCU, and by default, this zone bit is the request of 0, MCU response VCU; When mark position 1, the request of MCU response TCU, MCU can respond different controller requests thus.
Fig. 4 is the structured flowchart of entire car controller, electric machine controller, gearbox control and the change speed gear box of electronlmobil according to an embodiment of the invention.
As shown in Figure 4, electronlmobil, comprising: change speed gear box 410, entire car controller 420, gearbox control 430 and electric machine controller 440 according to an embodiment of the invention.
Particularly, entire car controller 420 for example, for receiving the startup engage a gear signal of chaufeur, when electronlmobil is normally started to walk, when chaufeur is allocated to D shelves or R shelves by shift handle by N shelves, VCU gathers this RND signal, and judges whether to allow gearshift after receiving gearshift request.
Gearbox control 430 is for receiving the startup engage a gear signal from entire car controller 420, and after receiving startup engage a gear signal, change speed gear box 410 is detected, for example, whether normally detect change speed gear box 410, trouble free, and the current state of change speed gear box 410 is detected.In this example, the object detecting is in order to judge whether change speed gear box 410 meets gearshift condition, for example, can judge whether to meet gearshift condition according to change speed gear box 410 states that detect, after judgement meets gearshift condition, to entire car controller 420, send gearshift request, this gearshift request can be a signal, can be also an 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 one embodiment of the invention, entire car controller 420 is after receiving gearshift request, and first entire car controller 420 judges whether to meet gearshift condition; If then judgement meets gearshift condition, entire car controller 420 judgements allow gearshift.In this example, judge whether to meet gearshift condition for example for entire car controller 420 judges gearshift request according to car load situation, normal in car load situation, and be judged as during gearshift enabled condition 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 mode request to MUC, even if MCU carries out rotating speed pattern, MCU enters the backward TCU of rotating speed pattern and feeds back, and TCU receives after the rotating speed pattern of MCU feedback, sends rotation command to MCU, this rotation command comprises rotating speed, and for example rotating speed is 10rpm.
The rotation command that electric machine controller 440 receives from gearbox control 430, and after receiving rotation command, control motor and rotate with preset rotation speed, to adjust the angle between motor output shaft male splines and automatic machincal transmission AMT body input shaft sliding hub gear.In this example, preset rotation speed can be set in advance as the rotating speed that above-mentioned rotation command comprises, as 10rpm.Also can rotation command be resolved and be obtained.
When electric machine controller 440 is controlled motors and rotated with preset rotation speed, gearbox control 430 is also for the rotating speed that detects motor; When the rotating speed of motor equals the rotating speed of target of motor, carry out engage a gear operation.In this example, this rotating speed of target can be above-mentioned preset rotation speed, and thus, angulation between motor output shaft male splines and automatic machincal transmission AMT body input shaft sliding hub gear, avoids answering back to, thereby can complete smoothly engage a gear.
In one embodiment of the invention, entire car controller 420 also for: to starting engage a gear signal, filter.Startup engage a gear signal after filtering is sent to gearbox control 430.The object of for example filtering is to carry out debounce to starting engage a gear signal, guarantees 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 the communication between electric machine controller 440 and gearbox control 430 can judge that by the mode of response signal electric machine controller 440 is and entire car controller 420 communications or electric machine controller 440 and gearbox control 430 communications, particularly, electric machine controller 440 for: to entire car controller 420 or gearbox control 430, send response signals, wherein, in response signal, there is zone bit.Further, when zone bit is 0, response signal is for responding the request of entire car controller 420, and when zone bit is 1, response signal is for responding the request of gearbox control 430.Thus, the response that electric machine controller 440 can be asked different controllers (entire car controller 420 and gearbox control 430).
According to the electronlmobil of the embodiment of the present invention, when vehicle is normally started to walk, for example, while having N shelves to fade to D shelves or R shelves, by gearbox control 430, send to electric machine controller 440 rotation commands, motor output shaft is rotated, change speed gear box 410 input shafts engage gear ring and just form dislocation with motor input shaft male splines, can complete smoothly the operation of putting into gear thus, avoid occurring that change speed gear box 410 input shafts engage gear ring and motor output shaft male splines withstands, cause the generation of fault that cannot engage a gear, thereby improve the safety and reliability of electronlmobil.
In addition, according to other formation of the electronlmobil of the embodiment of the present invention and effect, be all known for a person skilled in the art, do not describe herein.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of described term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.

Claims (7)

1. a startup control method for pure electric automobile, is characterized in that, comprises the following steps:
Entire car controller receives the startup engage a gear signal of chaufeur;
Described entire car controller is sent to gearbox control by described startup engage a gear signal;
Described gearbox control detects change speed gear box;
After described gearbox control judgement meets gearshift condition, described gearbox control sends gearshift request to described entire car controller;
Described entire car controller is after judgement allows gearshift, and described gearbox control sends rotation command to electric machine controller; And
Described motor controller controls motor rotates with preset rotation speed, to adjust the angle between motor output shaft male splines and automatic machincal transmission AMT body input shaft sliding hub gear.
2. the method for claim 1, is characterized in that, also comprises:
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 method for claim 1, is characterized in that, also comprises:
Described entire car controller filters described startup engage a gear signal.
4. the method for claim 1, is characterized in that, also comprises:
Described gearbox control detects the rotating speed of described motor;
When the rotating speed of described motor equals the rotating speed of target of described motor, carry out engage a gear operation.
5. the method for claim 1, is characterized in that, also comprises:
Described electric machine controller sends response signal to described entire car controller or gearbox control, wherein, in described response signal, has zone bit.
6. method as claimed in claim 5, is characterized in that, wherein, when described zone bit is 0, described response signal is for responding the request of described entire car controller, and when described zone bit is 1, described response signal is for responding the request of described gearbox control.
7. an electronlmobil, is characterized in that, comprising:
Change speed gear box;
Entire car controller, described entire car controller is used for receiving the startup engage a gear signal of chaufeur, and judges whether to allow gearshift after receiving gearshift request;
Gearbox control, described gearbox control is for receiving the startup engage a gear signal from described entire car controller, and after receiving described startup engage a gear signal, described change speed gear box is detected, after judgement meets gearshift condition, to described entire car controller, send gearshift request, and allow to generate rotation command after gearshift in described entire car controller judgement; 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, to adjust the angle between motor output shaft male splines and automatic machincal transmission AMT body input shaft sliding hub gear.
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CN108082008A (en) * 2017-12-14 2018-05-29 黄晓丽 A kind of motor speed control method based on vehicle
CN110645350A (en) * 2019-09-23 2020-01-03 奇瑞汽车股份有限公司 Pure electric vehicle speed reducer control method
CN112415986A (en) * 2020-12-03 2021-02-26 一汽解放汽车有限公司 Starting method, device, equipment and storage medium

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