CN104565128B - Clutch control method, the apparatus and system of hybrid motor vehicle - Google Patents
Clutch control method, the apparatus and system of hybrid motor vehicle Download PDFInfo
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- CN104565128B CN104565128B CN201310504938.2A CN201310504938A CN104565128B CN 104565128 B CN104565128 B CN 104565128B CN 201310504938 A CN201310504938 A CN 201310504938A CN 104565128 B CN104565128 B CN 104565128B
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Abstract
The invention discloses a kind of clutch control method of hybrid motor vehicle, apparatus and system, this method includes：The conditions present of clutch is detected, the position of shift fork is obtained, according to the position of the conditions present of above-mentioned clutch and above-mentioned shift fork, control shift fork motor changes the position of above-mentioned shift fork, engages or disconnects above-mentioned clutch.The present invention solves the problem of hybrid motor vehicle energy consumption is wasted in correlation technique, the beneficial effect with reduction energy consumption.
Description
Technical field
The present invention relates to automotive field, in particular to a kind of clutch control method of hybrid motor vehicle,
Apparatus and system.
Background technology
Hybrid motor vehicle (Hybrid electronic vehicle, abbreviation HEV) HEV is orthodox car and complete
The compromise of electric automobile：It is simultaneously electric using the internal combustion engine of orthodox car and the motor reducer assembly EMR of complete electric automobile
Machine carries out combination drive, reduces the demand to fossil fuel, improves fuel economy, so as to reach energy-saving and emission-reduction and alleviation
The effect of greenhouse effects.
Hybrid power just refers to that automobile uses two kinds of type of drive of gasoline driven and driven by power, and advantage is that vehicle is opened
When dynamic, stopping or low speed operation, only driven by EMR motors, be not up to certain speed, engine does not just work, therefore, just can make
Engine is always held at optimum condition state, and good dynamic property, discharge capacity is very low, and the source of electric energy is all engine, only
It need to refuel.
The low-speed characteristic of HEV EMR motors is very good, and high speed characteristics are relatively poor.It is 12000RPM in EMR motors
When more than (revolutions per minute), then it is difficult to motor vehicle and driving force is provided, dragged turn power consumption on the contrary, run counter to the low energy emphasized in HEV
Consumption.
For the problem of hybrid motor vehicle energy consumption is wasted in correlation technique, effective solution party is not yet proposed at present
Case.
The content of the invention
The invention provides a kind of clutch control method of hybrid motor vehicle, apparatus and system, at least to solve
Above mentioned problem.
According to an aspect of the invention, there is provided a kind of clutch control method of hybrid motor vehicle, including：Inspection
The conditions present of clutch is surveyed, wherein, the conditions present includes at least one of：The meshing condition of the clutch, institute
State the disconnection condition of clutch；Obtain the position of shift fork；According to the position of the conditions present of the clutch and the shift fork, control
Shift fork motor processed changes the position of the shift fork, engages or disconnects the clutch.
Alternatively, the disconnection condition includes：The speed of the motor vehicle is more than First Speed threshold value；And/or described nibble
Conjunction condition includes：The speed of the motor vehicle is less than second speed threshold value, the speed of the decelerating through motor assembly EMR motors and institute
The speed for stating motor vehicle multiplies speed difference between gear ratio and is less than third speed threshold value.
Alternatively, according to the position of the conditions present of the clutch and the shift fork, the shift fork motor is controlled to change
The position of the shift fork, engaging or disconnecting the clutch includes at least one of：The engagement is met in the clutch
In the case of condition, according to the position of the shift fork, control shift fork motor changes the position of the shift fork, engages the clutch
Device；In the case where the clutch meets the disconnection condition, according to the position of the shift fork, control shift fork motor changes institute
The position of shift fork is stated, the clutch is disconnected.
Alternatively, according to the position of the shift fork, control shift fork motor changes the position of the shift fork, engages the clutch
Device includes at least one of：When the position of the shift fork is in first position region, controls the shift fork motor reversal and increase
The power output of the big shift fork motor, accelerates the movement velocity of the shift fork, wherein, the first position region is described group
Fork and the distance between synchronizer are more than the first distance threshold and the shift fork is not above the contact when institute of the synchronizer
State the location of shift fork；When the position of the shift fork is in second place region, controls the shift fork motor reversal and reduce
The power output of the shift fork motor, reduces the movement velocity of the shift fork, wherein, the second place region is the shift fork
It is less than first distance threshold with the distance between the synchronizer and the shift fork is not above the contact of the synchronizer
Position during position described in the shift fork；When the position of the shift fork is in three bands of position, the shift fork motor reversal is controlled
Increase the power output of the shift fork motor, accelerate the movement velocity of the shift fork, wherein, the 3rd band of position is described
Described in when the distance between shift fork and synchronizer are less than second distance threshold value and the shift fork exceedes the contact position of the synchronizer
The location of shift fork；When the position of the shift fork is in four bands of position, it is less than first to shift fork motor input and turns round
The opposite direction moment of torsion of square threshold value, then shift fork motor described in point operation control, until the shift fork is to engagement terminal position, wherein, institute
It is that the distance between the shift fork and synchronizer are more than second distance threshold value and the shift fork is more than described to state the 4th band of position
The location of described shift fork during the contact position of synchronizer.
Alternatively：The position that the first position region includes the shift fork is more than or equal to 1800 less than 2900；And/or institute
State position of the second place region including the shift fork and be more than or equal to 2900 less than 3200；And/or the 3rd band of position bag
The position for including the shift fork is more than or equal to 3200 less than 6500；And/or the 4th band of position includes the position of the shift fork
It is less than 7700 more than or equal to 6500；Wherein, the position of the shift fork is pulse width corresponding with the physical location of the shift fork
The dutycycle of modulation.
Alternatively, according to the position of the shift fork, control shift fork motor changes the position of the shift fork, disconnects the clutch
Device includes at least one of：When the position of the shift fork is in five bands of position, control the shift fork motor rotate forward and to
The shift fork motor input drives the shift fork motor to drive the shift fork to accelerate positive transhipment more than the moment of torsion of the second torque threshold
OK, wherein, the 5th band of position is that the shift fork not yet disconnects the location of described shift fork during synchronizer；In the shift fork
Position controls the shift fork motor to rotate forward and is less than the 3rd torque threshold to shift fork motor input at six bands of position
Opposite direction moment of torsion, then shift fork motor described in point operation control, until shift fork disconnected end position；Wherein, the 6th position area
Domain is the location of described shift fork when the shift fork disconnects with synchronizer.
Alternatively, position of the 5th band of position including the shift fork is more than 3200 and is less than or equal to 7800；And/or institute
State position of the 6th band of position including the shift fork and be more than 2000 less than or equal to 3200；Wherein, the position of the shift fork be with
The dutycycle of the corresponding pulse width modulation of physical location of the shift fork.
According to another aspect of the present invention there is provided a kind of clutch controller of hybrid motor vehicle, detection
Module, the conditions present for detecting clutch, wherein, the conditions present includes at least one of：The clutch
Meshing condition, the disconnection condition of the clutch；Acquisition module, the position for obtaining shift fork；Control module, for according to institute
The conditions present of clutch and the position of the shift fork are stated, control shift fork motor changes the position of the shift fork, engagement or disconnection
The clutch.
Alternatively, the disconnection condition includes：The speed of the motor vehicle is more than First Speed threshold value；And/or described nibble
Conjunction condition includes：The speed of the motor vehicle is less than second speed threshold value, the speed of the EMR motors and the car of the motor vehicle
The speed difference that speed multiplies between gear ratio is less than third speed threshold value.
Alternatively, the control module is additionally operable at least one of：In the position of the shift fork in first position region
When, control the shift fork motor reversal and increase the power output of the shift fork motor, accelerate the movement velocity of the shift fork, its
In, the first position region is that the distance between the shift fork and synchronizer are more than the first distance threshold and the shift fork does not have
The location of described shift fork when having more than the contact position of the synchronizer；In the position of the shift fork in second place region
When, control the shift fork motor reversal and reduce the power output of the shift fork motor, reduce the movement velocity of the shift fork, its
In, the second place region is that the distance between the shift fork and the synchronizer are less than first distance threshold and institute
State position when contacting position described in the shift fork that shift fork is not above the synchronizer；In the position of the shift fork at the 3rd
When putting region, control the shift fork motor reversal to increase the power output of the shift fork motor, accelerate the motion speed of the shift fork
Degree, wherein, the 3rd band of position is that the distance between the shift fork and synchronizer are less than second distance threshold value and described group
The location of described shift fork when fork exceedes the contact position of the synchronizer；In the position of the shift fork in the 4th band of position
When, the opposite direction moment of torsion less than the first torque threshold is inputted to the shift fork motor, then shift fork motor described in point operation control, directly
To the shift fork to engagement terminal position, wherein, the 4th band of position is that the distance between the shift fork and synchronizer are more than
The location of described shift fork when second distance threshold value and the shift fork exceed the contact position of the synchronizer.
Alternatively, the control module is additionally operable at least one of：In the position of the shift fork in the 5th band of position
When, control the shift fork motor to rotate forward and input the moment of torsion more than the second torque threshold to the shift fork motor, driving is described to dial
Pitching motor drives the shift fork to accelerate to rotate forward operation, wherein, the 5th band of position is that the shift fork not yet disconnects synchronizer when institute
State the location of shift fork；When the position of the shift fork is in six bands of position, the shift fork motor is controlled to rotate forward and to institute
Opposite direction moment of torsion of the shift fork motor input less than the 3rd torque threshold is stated, then shift fork motor described in point operation control, until described
Shift fork disconnected end position；Wherein, the 6th band of position is the position residing for the shift fork when shift fork disconnects with synchronizer
Put.
According to a further aspect of the invention there is provided a kind of clutch control of hybrid motor vehicle, including：
Control device, including the device described in above-mentioned 8th to any one of 11 scheme；The shift fork motor, in the control
The position of the shift fork is controlled under the control of device；The shift fork, under the control of the shift fork motor, engaging or disconnecting
The clutch.
The present invention is by using following scheme：The conditions present of clutch is detected, wherein, the conditions present includes following
At least one：The meshing condition of the clutch, the disconnection condition of the clutch, obtain shift fork position, according to it is described from
The position of the conditions present of clutch and the shift fork, control shift fork motor changes the position of the shift fork, solves correlation technique
The problem of middle hybrid motor vehicle energy consumption is wasted, so as to reach the effect of reduction energy consumption.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the clutch control method of hybrid motor vehicle according to embodiments of the present invention；
Fig. 2 is the flow chart for meeting the method that clutch is engaged after meshing condition according to embodiments of the present invention；
Fig. 3 is the flow chart for meeting the method for cut-off clutch after disconnection condition according to embodiments of the present invention；
Fig. 4 is the structural representation of the clutch controller of hybrid motor vehicle according to embodiments of the present invention；With
And
Fig. 5 is the structural representation of the clutch control of hybrid motor vehicle according to embodiments of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Fig. 1 is the flow chart of the clutch control method of hybrid motor vehicle according to embodiments of the present invention, such as Fig. 1 institutes
Show, the flow comprises the following steps：
Step S102, judges whether to meet meshing condition.
If clutch meets meshing condition, step S104 is performed, step S108 is otherwise performed.Wherein, the engagement bar
Part is that the speed of the motor vehicle is less than second speed threshold value, and the speed of the EMR motors multiplies tooth with the speed of the motor vehicle
Speed difference between wheel ratio is less than third speed threshold value.Such as, the second speed threshold value can be 10000RPM, the 3rd speed
It can be 100RPM to spend threshold value.So, when the speed of motor vehicle is below 10000RPM, and speed and the institute of the EMR motors
When the speed for stating motor vehicle multiplies speed difference between gear ratio and is less than 100RPM, the speed of motor vehicle is in low-speed run state, this
When, just it can be assumed that clutch meets meshing condition.Here, EMR motor speeds can first exceed fourth speed threshold value, wherein,
Fourth speed threshold value can be 11000RPM, and so, EMR motors can first raise speed to 12000RPM, then free reduction of speed.
Step S104, judges whether to meet engagement.
If clutch meets engagement, step S106 is performed, step S116 is otherwise performed.Such as, motor vehicle from
Clutch is off, then it can be assumed that clutch meets engagement.
Step S106, performs engagement action.
Clutch is engaged, and after the completion of engagement action, performs step S116.
Step S108, judges whether to meet disconnection condition.
If meeting disconnection condition, step S110 is performed, step S114 is otherwise performed.Wherein, the disconnection condition includes
The speed of the motor vehicle is more than First Speed threshold value.Wherein, First Speed threshold value can be 12000RPM.Such as, motor vehicle
Speed be more than 12000RPM, the speed of motor vehicle reaches high-speed cruising, now, and EMR motors are difficult to vehicle and provide driving
Power, can be dragged turn power consumption on the contrary, now, just it can be assumed that clutch meets disconnection condition.
Step S110, judges whether to meet off-state.
If meeting off-state, step S112 is performed, step S116 is otherwise performed.Wherein, the off-state refers to
Clutch is in non-off-state, now, just it can be assumed that it meets off-state.
Step S112, performs disconnection action.
Cut-off clutch, and after disconnection action is performed, perform step S116.
Step S114, is diagnosed.
Whether diagnosis clutch breaks down, and points out failure cause, performs step S116.
Step S116, judges whether to reach the execution cycle.
Such as, the execution cycle could be arranged to 10ms, i.e., carry out one-time detection every 10ms.If reaching the execution cycle,
Step S102 is then performed, otherwise, step S116 is performed.
Fig. 2 is the flow chart for meeting the method that clutch is engaged after meshing condition according to embodiments of the present invention, such as Fig. 2 institutes
Show, the flow comprises the following steps：
Step S202, judges shift fork position.
After judging that clutch meets meshing condition, position sensor obtains shift fork position p, and shift fork position is arteries and veins here
Width modulated (Pulse Width Modulation, abbreviation PWM) dutycycle is rushed, the physical location of itself and the shift fork is one
Linear proportionate relationship.
When 1800<=p<2900, show shift fork also no and synchronizer contact, i.e., the position of shift fork is in first position area
Domain, wherein, the first position region is that the distance between the shift fork and synchronizer are more than the first distance threshold and described group
Fork is not above the location of described shift fork during the contact position of the synchronizer.In such cases, step S204 is performed.
When 2900<=p<3200, show that shift fork will be contacted with synchronizer, i.e. the position of shift fork in second place region,
Wherein, the second place region be the distance between the shift fork and the synchronizer be less than first distance threshold and
The shift fork is not above the position described in the shift fork during contact position of the synchronizer.In such cases, step is performed
S206。
When 3200<=p<6500, show contact position of the shift fork just above synchronizer, i.e., the position of shift fork is in the 3rd position area
Domain, wherein, the 3rd band of position is that the distance between the shift fork and synchronizer are less than second distance threshold value and described group
The location of described shift fork when fork exceedes the contact position of the synchronizer.In such cases, step S208 is performed.
When 6500<=p<7700, show shift fork significantly more than the contact position of synchronizer, i.e. shift fork is soon approached
The position of the terminal location of end of engagement, i.e. shift fork in the 4th band of position, wherein, the 4th band of position be the shift fork and
The distance between synchronizer is more than shift fork institute when second distance threshold value and the shift fork exceed the contact position of the synchronizer
The position at place.In such cases, step S210 is performed.
Step S204, drives the shift fork motor reversal high-speed cruising.
In shift fork also no and synchronizer contact, the shift fork motor reversal high-speed cruising is rapidly driven so that dial
The quick operation of fork, that is, increase the power output of the shift fork motor, accelerate the movement velocity of the shift fork.
Afterwards, step S212 is performed.
Step S206, drives the shift fork motor reversal middling speed operation.
When shift fork will be contacted with synchronizer, synchronizer shift fork friction, now shift fork motor such as stall, it is necessary to reduce
The power output of shift fork motor, prevents driving current excessive.
Afterwards, step S212 is performed.
Step S208, drives the shift fork motor reversal high-speed cruising.
At position of the shift fork just above synchronizer, it is necessary to shift fork motor described in fast driving so that shift fork is quickly run,
Increase the power output of the shift fork motor, accelerate the movement velocity of the shift fork, engagement action is completed as early as possible.
Afterwards, step S212 is performed.
Step S210, shift fork motor described in point operation control.
When position one segment distance of the shift fork just above synchronizer, the shift fork motor quickly run meeting under inertia force driving
Shift fork operation is driven until engagement terminal is withstood, is occurred after this phenomenon, very big power is needed during reverse drive, and this power is dialled
Fork motor can not be provided.At this moment need to do a soft protection for engaging terminal.The opposite direction one small to shift fork motor is turned round first
Square, this action continues 20ms.Then point operation control shift fork motor is carried out, point dynamic characteristic is that shift fork motor stops 500ms, Ran Hou little
Moment of torsion promotes shift fork to engagement direction operation 200ms, and continuous the method crawl is until shift fork to engagement terminal position.Certainly, it is above-mentioned
Time value, can be other data in other implementations.
Specifically, shift fork motor may comprise steps of described in point operation control：
Step S2102, judges to perform whether number of times is less than default count threshold.
In the present embodiment, default count threshold could be arranged to 2.As described in the step S116 in Fig. 1, system is every fixation
Cycle carry out one-time detection, the execution cycle could be arranged to 10ms.When the counting in the cycle of execution is less than 2, i.e., hold for the first time
During row detection, step S2104 is performed, otherwise, step S2106 is performed.The purpose so done is so that the step of step S2104
It is only performed once.
Step S2104, drives the shift fork motor to rotate forward 20MS.
Equivalent to the opposite direction moment of torsion inputted to the shift fork motor less than the first torque threshold, i.e., to the shift fork motor
Opposite direction moment of torsion one small.
Step S2106, stops the shift fork motor 500MS.
Step S2108, drives the shift fork motor low speed and reverse 200MS.
Step S210, judges whether shift fork position is more than 7700.
If shift fork position is more than 7700, step S220 is performed, otherwise terminates this flow.
Step S212, engagement is completed.
Fig. 3 is the flow chart for meeting the method for cut-off clutch after disconnection condition according to embodiments of the present invention, such as Fig. 3 institutes
Show, the flow comprises the following steps：
Step S302, judges shift fork position.
After judging that clutch meets disconnection condition, position sensor obtains shift fork position p, and shift fork position is here
PWM duty cycle, the physical location of itself and the shift fork is a linear proportionate relationship.
When 3200<P=<7900, now shift fork not yet disconnected with synchronizer, shift fork motor needs Quick release shift fork and tooth
Wheel and synchronizer.The position of i.e. described shift fork in the 5th band of position, wherein, the 5th band of position be the shift fork not yet break
Drive the location of described shift fork during synchronizer.Perform step S304.
When 2000<P=<3200, now shift fork disconnected with synchronizer, to prevent that shift fork is to after disconnected end after disconnecting
Dieback is, it is necessary to do the soft protection of disconnected end.2000<P=<3200 corresponding positions are the 6th bands of position, wherein, the 6th
It is the location of described shift fork when the shift fork disconnects with synchronizer to put region.Perform step S306.
Step S304, shift fork motor described in high-speed driving is rotated forward.
High pulling torque drives the shift fork motor to drive shift fork quickly to run.Wherein, high pulling torque is defeated to the shift fork motor
The moment of torsion entered is more than the second torque threshold.
Step S306, point operation control shift fork motor.
The opposite direction moment of torsion one small to the shift fork motor, i.e., be less than the 3rd moment of torsion to shift fork motor input first
The opposite direction moment of torsion of threshold value, this action continues 20ms.Then point operation control shift fork motor is carried out, point dynamic characteristic is that shift fork motor stops
Only 500ms, then small moment of torsion promote shift fork whole to disconnecting until shift fork to direction operation 200ms, continuous the method crawl is disconnected
Hold position.
Specifically, the step of point operation control may comprise steps of S3062~3068：
S3062, judges to perform number of times.
In the present embodiment, default count threshold could be arranged to 2.As described in the step S116 in Fig. 1, system is every fixation
Cycle carry out one-time detection, the execution cycle could be arranged to 10ms.Perform count be less than 2 when, i.e. first time perform detection
When, then step S3064 is performed, step S3068 is otherwise performed.The purpose so done is so that only holding the step of step S3064
Row is once.
Step S3064, drives the shift fork motor reversal 20MS.
Step S3066, stops shift fork motor 500MS.
Step S3068, drives the shift fork motor to rotate forward 200MS.
Step S308, judges whether P is less than 2000.
If less than 2000, step S310 is performed, otherwise, terminates this flow.
Step S310, disconnects and completing.
Fig. 4 is the structural representation of the clutch controller of hybrid motor vehicle according to embodiments of the present invention, such as
Shown in Fig. 4, the device includes：
Detection module 402, the conditions present for detecting clutch；
Acquisition module 404, the position for obtaining shift fork；
Control module 406, for the position of the conditions present according to the clutch and the shift fork, controls shift fork motor
Change the position of the shift fork, engage or disconnect the clutch.
Preferably, the conditions present of the clutch includes at least one of：The meshing condition of the clutch, it is described
The disconnection condition of clutch.
Preferably, the meshing condition includes：The speed of the motor vehicle is less than second speed threshold value；And/or it is described disconnected
The condition of opening includes：The speed of the motor vehicle is more than First Speed threshold value, the speed of the decelerating through motor assembly EMR motors and institute
The speed for stating motor vehicle multiplies speed difference between gear ratio and is less than third speed threshold value.
Preferably, the control module 406 is additionally operable at least one of：
When the position of the shift fork is in first position region, controls the shift fork motor reversal and increase the shift fork electricity
The power output of machine, accelerates the movement velocity of the shift fork, wherein, the first position region be the shift fork and synchronizer it
Between distance be more than the first distance threshold and the shift fork and be not above during the contact position of the synchronizer residing for the shift fork
Position；
When the position of the shift fork is in second place region, controls the shift fork motor reversal and reduce the shift fork electricity
The power output of machine, reduces the movement velocity of the shift fork, wherein, the second place region is the shift fork and the synchronization
The distance between device, which is less than described in when first distance threshold and the shift fork are not above the contact position of the synchronizer, to be dialled
The described position of fork；
When the position of the shift fork is in three bands of position, the shift fork motor reversal is controlled to increase the shift fork motor
Power output, accelerate the movement velocity of the shift fork, wherein, the 3rd band of position is between the shift fork and synchronizer
Distance be less than the location of described shift fork when second distance threshold value and the shift fork exceed the contact position of the synchronizer；
When the position of the shift fork is in four bands of position, inputted to the shift fork motor less than the first torque threshold
Opposite direction moment of torsion, then shift fork motor described in point operation control, until the shift fork is to engagement terminal position, wherein, described 4th
It is that the distance between the shift fork and synchronizer are more than second distance threshold value and the shift fork exceedes the synchronizer to put region
The location of described shift fork when contacting position.
Preferably, the control module 406 is additionally operable at least one of：
When the position of the shift fork is in five bands of position, the shift fork motor is controlled to rotate forward and to the shift fork motor
Input drives the shift fork motor to drive the shift fork to accelerate to rotate forward operation more than the moment of torsion of the second torque threshold, wherein, the 5th
The band of position is that the shift fork not yet disconnects the location of described shift fork during synchronizer；
When the position of the shift fork is in six bands of position, the shift fork motor is controlled to rotate forward and to the shift fork motor
Input is less than the opposite direction moment of torsion of the 3rd torque threshold, then shift fork motor described in point operation control, until the shift fork disconnects eventually
Hold position；Wherein, the 6th band of position is the location of described shift fork when the shift fork disconnects with synchronizer.
Fig. 5 is the structural representation of the clutch control of hybrid motor vehicle according to embodiments of the present invention, such as
Shown in Fig. 5, the system includes：
Control device 502, includes the clutch controller of the hybrid motor vehicle described in Fig. 4；
The shift fork motor 504, the position for controlling the shift fork under the control of the control device；
The shift fork 506, under the control of the shift fork motor, engaging or disconnecting the clutch.
As can be seen from the above description, the present invention realizes following technique effect：The embodiment of the present invention passes through shift fork
Motor is dialled slot and put to drive to dial to insert to change, and to realize clutch engagement and disconnection, realizes in hybrid power EMR motors in height
Depart from vehicular transmission shaft when fast, engage shift fork motor and vehicular transmission shaft in low speed.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and constituted
Network on, alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to they are stored
Performed in the storage device by computing device, and in some cases, can be shown to be performed different from order herein
The step of going out or describe, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (12)
1. a kind of clutch control method of hybrid motor vehicle, it is characterised in that including：
The conditions present of clutch is detected, wherein, the conditions present includes at least one of：The engagement bar of the clutch
Part, the disconnection condition of the clutch；
Obtain the position of shift fork；
According to the position of the conditions present of the clutch and the shift fork, control shift fork motor changes the position of the shift fork,
Engage or disconnect the clutch,
Wherein, the position of the shift fork is the dutycycle of pulse width modulation corresponding with the physical location of the shift fork.
2. according to the method described in claim 1, it is characterised in that
The disconnection condition includes：The speed of the motor vehicle is more than First Speed threshold value；And/or
The meshing condition includes：The speed of the motor vehicle is less than second speed threshold value, and decelerating through motor assembly EMR motors
The speed difference that speed and the speed of the motor vehicle multiply between gear ratio is less than third speed threshold value.
3. method according to claim 1 or 2, it is characterised in that according to the conditions present of the clutch and described group
The position of fork, controls the shift fork motor to change the position of the shift fork, engage or disconnect the clutch include it is following at least
One of：
In the case where the clutch meets the meshing condition, according to the position of the shift fork, control shift fork motor changes
The position of the shift fork, engages the clutch；
In the case where the clutch meets the disconnection condition, according to the position of the shift fork, control shift fork motor changes
The position of the shift fork, disconnects the clutch.
4. method according to claim 3, it is characterised in that according to the position of the shift fork, control shift fork motor changes
The position of the shift fork, engaging the clutch includes at least one of：
When the position of the shift fork is in first position region, controls the shift fork motor reversal and increase the shift fork motor
Power output, accelerates the movement velocity of the shift fork, wherein, the first position region is between the shift fork and synchronizer
Distance is more than the first distance threshold and the shift fork is not above position when contacting position residing for the shift fork of the synchronizer
Put；
When the position of the shift fork is in second place region, controls the shift fork motor reversal and reduce the shift fork motor
Power output, reduces the movement velocity of the shift fork, wherein, the second place region be the shift fork and the synchronizer it
Between distance be less than first distance threshold and the shift fork and be not above the shift fork institute during contact position of the synchronizer
The position stated；
When the position of the shift fork is in three bands of position, the shift fork motor reversal is controlled to increase the defeated of the shift fork motor
Go out power, accelerate the movement velocity of the shift fork, wherein, the 3rd band of position be between the shift fork and synchronizer away from
The location of described shift fork during from the contact position for exceeding the synchronizer less than second distance threshold value and the shift fork；
When the position of the shift fork is in four bands of position, the negative side less than the first torque threshold is inputted to the shift fork motor
To moment of torsion, then shift fork motor described in point operation control, until the shift fork is to engagement terminal position, wherein, the 4th position area
Domain is the shift fork is more than second distance threshold value and the shift fork exceedes the contact of the synchronizer with the distance between synchronizer
The location of described shift fork during position.
5. method according to claim 4, it is characterised in that：
The position that the first position region includes the shift fork is more than or equal to 1800 less than 2900；And/or
The position that the second place region includes the shift fork is more than or equal to 2900 less than 3200；And/or
The position that 3rd band of position includes the shift fork is more than or equal to 3200 less than 6500；And/or
The position that 4th band of position includes the shift fork is more than or equal to 6500 less than 7700.
6. method according to claim 3, it is characterised in that according to the position of the shift fork, control shift fork motor changes
The position of the shift fork, disconnecting the clutch includes at least one of：
When the position of the shift fork is in five bands of position, the shift fork motor is controlled to rotate forward and inputted to the shift fork motor
More than the moment of torsion of the second torque threshold, the shift fork motor is driven to drive the shift fork to accelerate to rotate forward operation, wherein, the 5th position
Region is that the shift fork not yet disconnects the location of described shift fork during synchronizer；
When the position of the shift fork is in six bands of position, the shift fork motor is controlled to rotate forward and inputted to the shift fork motor
Less than the opposite direction moment of torsion of the 3rd torque threshold, then shift fork motor described in point operation control, until shift fork disconnected end position；
Wherein, the 6th band of position is the location of described shift fork when the shift fork disconnects with synchronizer.
7. method according to claim 6, it is characterised in that
The position that 5th band of position includes the shift fork is more than 3200 less than or equal to 7800；And/or
The position that 6th band of position includes the shift fork is more than 2000 less than or equal to 3200；
Wherein, the position of the shift fork is the dutycycle of pulse width modulation corresponding with the physical location of the shift fork.
8. a kind of clutch controller of hybrid motor vehicle, it is characterised in that including：
Detection module, the conditions present for detecting clutch, wherein, the conditions present includes at least one of：It is described
The meshing condition of clutch, the disconnection condition of the clutch；
Acquisition module, the position for obtaining shift fork；
Control module, for the position of the conditions present according to the clutch and the shift fork, control shift fork motor changes institute
The position of shift fork is stated, engages or disconnects the clutch,
Wherein, the position of the shift fork is the dutycycle of pulse width modulation corresponding with the physical location of the shift fork.
9. device according to claim 8, it is characterised in that
The disconnection condition includes：The speed of the motor vehicle is more than First Speed threshold value；And/or
The meshing condition includes：The speed of the motor vehicle is less than second speed threshold value, and decelerating through motor assembly EMR motors
The speed difference that speed and the speed of the motor vehicle multiply between gear ratio is less than third speed threshold value.
10. device according to claim 9, it is characterised in that the control module is additionally operable at least one of：
When the position of the shift fork is in first position region, controls the shift fork motor reversal and increase the shift fork motor
Power output, accelerates the movement velocity of the shift fork, wherein, the first position region is between the shift fork and synchronizer
Distance is more than the first distance threshold and the shift fork is not above position when contacting position residing for the shift fork of the synchronizer
Put；
When the position of the shift fork is in second place region, controls the shift fork motor reversal and reduce the shift fork motor
Power output, reduces the movement velocity of the shift fork, wherein, the second place region be the shift fork and the synchronizer it
Between distance be less than first distance threshold and the shift fork and be not above the shift fork institute during contact position of the synchronizer
The position stated；
When the position of the shift fork is in three bands of position, the shift fork motor reversal is controlled to increase the defeated of the shift fork motor
Go out power, accelerate the movement velocity of the shift fork, wherein, the 3rd band of position be between the shift fork and synchronizer away from
The location of described shift fork during from the contact position for exceeding the synchronizer less than second distance threshold value and the shift fork；
When the position of the shift fork is in four bands of position, the negative side less than the first torque threshold is inputted to the shift fork motor
To moment of torsion, then shift fork motor described in point operation control, until the shift fork is to engagement terminal position, wherein, the 4th position area
Domain is the shift fork is more than second distance threshold value and the shift fork exceedes the contact of the synchronizer with the distance between synchronizer
The location of described shift fork during position.
11. device according to claim 9, it is characterised in that the control module is additionally operable at least one of：
When the position of the shift fork is in five bands of position, the shift fork motor is controlled to rotate forward and inputted to the shift fork motor
More than the moment of torsion of the second torque threshold, the shift fork motor is driven to drive the shift fork to accelerate to rotate forward operation, wherein, the 5th position
Region is that the shift fork not yet disconnects the location of described shift fork during synchronizer；
When the position of the shift fork is in six bands of position, the shift fork motor is controlled to rotate forward and inputted to the shift fork motor
Less than the opposite direction moment of torsion of the 3rd torque threshold, then shift fork motor described in point operation control, until shift fork disconnected end position；
Wherein, the 6th band of position is the location of described shift fork when the shift fork disconnects with synchronizer.
12. a kind of clutch control of hybrid motor vehicle, it is characterised in that including：
Control device, including the device any one of claim 8 to 11；
The shift fork motor, the position for controlling the shift fork under the control of the control device；
The shift fork, under the control of the shift fork motor, engaging or disconnecting the clutch.
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| CN201310504938.2A CN104565128B (en) | 2013-10-23 | 2013-10-23 | Clutch control method, the apparatus and system of hybrid motor vehicle |
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| CN201310504938.2A CN104565128B (en) | 2013-10-23 | 2013-10-23 | Clutch control method, the apparatus and system of hybrid motor vehicle |
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| CN104565128A CN104565128A (en) | 2015-04-29 |
| CN104565128B true CN104565128B (en) | 2017-10-13 |
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| CN106763303A (en) * | 2017-01-22 | 2017-05-31 | 常州机电职业技术学院 | Clutch control device and energy-saving vehicle |
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| CN104565128A (en) | 2015-04-29 |
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