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CN104596761A - Calibration method and system of coaxial parallel type hybrid power system - Google Patents

Calibration method and system of coaxial parallel type hybrid power system Download PDF

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Publication number
CN104596761A
CN104596761A CN201310526827.1A CN201310526827A CN104596761A CN 104596761 A CN104596761 A CN 104596761A CN 201310526827 A CN201310526827 A CN 201310526827A CN 104596761 A CN104596761 A CN 104596761A
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China
Prior art keywords
clutch coupling
engine
hybrid power
power system
engagement point
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CN201310526827.1A
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Chinese (zh)
Inventor
刘溧
苗壮
韩晓晰
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Beijing Treasure Car Co Ltd
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Beiqi Foton Motor Co Ltd
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Application filed by Beiqi Foton Motor Co Ltd filed Critical Beiqi Foton Motor Co Ltd
Priority to CN201310526827.1A priority Critical patent/CN104596761A/en
Publication of CN104596761A publication Critical patent/CN104596761A/en
Pending legal-status Critical Current

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  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

The invention provides a calibration method of coaxial parallel type hybrid power system, wherein the coaxial parallel type hybrid power system comprises an engine, a clutch, a motor and a speed changer which are sequentially connected by a transmission shaft; the method comprises the following steps: when starting a car, driving the car by the motor, and judging whether the current speed of the car is greater than a preset speed; if yes, controlling the clutch to engage, thereby dragging the engine to run; in the engagement stage of the clutch, detecting the rotation speed of the engine; when judging that the rotation speed of the engine is greater than a preset rotation speed, obtaining the travel distance of the clutch at this moment, and using the travel distance as a half-engagement point of the clutch, so as to calibrate the clutch. By the online calibration of the half-engagement point of the clutch, embodiments of the invention achieves fast engagement of the car clutch, thereby ensuring the response time of the engagement and the smoothness of the engagement process. The invention further provides a calibration system of coaxial parallel type hybrid power system.

Description

The scaling method of coaxial parallel-connection formula hybrid power system and system
Technical field
The present invention relates to field of automobile, particularly a kind of scaling method of coaxial parallel-connection formula hybrid power system and system.
Background technology
Fig. 1 is the structural drawing of coaxial parallel-connection formula hybrid power system.As shown in Figure 1, this coaxial parallel-connection formula hybrid power system comprises: engine, clutch coupling, motor, variator and transmission shaft, and wherein, engine, clutch coupling, motor are connected by transmission shaft successively with variator.When the clutch is disengaged, engine is separated with hybrid power system, and engine does not participate in the driving of hybrid power system; When the clutch is engaged, engine engages with hybrid power system, and engine participates in the driving of hybrid power system.The working method that hybrid power system adopts engine idle to shut down, namely when stopping and the speed of a motor vehicle is lower, engine is shut down.
The engaging process of clutch coupling controls the dynamic response performance and the ride comfort that directly affect this hybrid power system.Specifically, clutch coupling engaged slowly, then can make engine start and provide the time delay of driving, reduce the power performance of system; Clutch coupling engages too fast, then can bring larger impact, reduces the work ride comfort of system.Fig. 2 is the schematic diagram of clutch coupling Engagement Control process.As shown in Figure 2, some B ' is in clutch's jointing process, can only transmit the travel point of power, be called as Half engagement point.C ' in clutch's jointing process, travel point during clutch coupling constrained input axle two ends synchronization.The travel point that D ' engages completely for clutch coupling.Desirable Clutch Control process is fast in Half engagement point B ' front travel speed, and between Half engagement point B ' to synchronization point C ', engaging speed is slow, and after synchronous, engaging speed is fast, is called " speed is fast " juncture.
The key of above-mentioned control is the position of system how perception Half engagement point B ', and general method comprises in the method for the setting at system assembling initial stage and engine starting-up process carries out the method for demarcating by perception output shaft rotating speed.
But, the method of employing system assembling initial setting, due to impact of parts machining error each in system, the impact of assembly precision, different Vehicular systems, Half engagement point position can be different, adopts same setting value can not ensure the positional precision of different system, simultaneously due to the increase of wear extent in system work process, Half engagement point can change, and the Half engagement point stroke value of initial setting can exist error.
On the other hand, because the normal starting of parallel connection type hybrid power system adopts motor drive mode, engine does not participate in work, then adopt the method for perception output shaft rotating speed in engine starting-up process and be not suitable for this hybrid power system.
Summary of the invention
The present invention is intended at least one of solve the problems of the technologies described above.
For this reason, one object of the present invention is the scaling method proposing a kind of coaxial parallel-connection formula hybrid power system, and the method is by the on-line proving of clutch coupling Half engagement point, and the quick knot that can realize automobile clutch engages, ensure the response time engaged, and the ride comfort of joint can be ensured.
Another object of the present invention is the calibration system providing a kind of coaxial parallel-connection formula hybrid power system.
To achieve these goals, the embodiment of first aspect present invention proposes a kind of scaling method of coaxial parallel-connection formula hybrid power system, described coaxial parallel-connection formula hybrid power system comprises the engine, clutch coupling, motor and the variator that are connected successively by transmission shaft, said method comprising the steps of: S1: when vehicle starting, drive described running car by described motor, and judge whether the current vehicle speed of described automobile is greater than pre-set velocity; S2: if the current vehicle speed of described automobile is greater than described pre-set velocity, then control described clutch coupling and engage to drag described engine running; S3: at described clutch coupling zygophase, detect the rotating speed of described engine; And S4: when judging that the rotating speed of described engine is greater than preset rotation speed, obtain the stroke of clutch coupling described in this moment, and using described stroke as the Half engagement point of described clutch coupling to demarcate described clutch coupling.
According to the scaling method of the coaxial parallel-connection formula hybrid power system of the embodiment of the present invention, when vehicle starting, pass through electromobile, and when the speed of a motor vehicle is greater than pre-set velocity, solenoidoperated cluthes engage to drag engine running, and when the rotating speed of engine is greater than preset rotation speed, obtain the Half engagement point of travel of clutch now as clutch coupling, to complete the demarcation to clutch coupling.Therefore, the method can realize the on-line proving of clutch coupling Half engagement point, thus the Half engagement point change making hybrid power system automatically adapt to the wearing and tearing in the clutch coupling alignment error of different vehicle and the clutch coupling course of work to produce, in addition, the method realizes in Vehicle Starting Process, therefore, the course of normal operation of hybrid power system is not affected.Meanwhile, the method can realize the quick joint of clutch coupling, ensures the response time engaged, and can ensure the ride comfort of engaging process.
In addition, the scaling method of coaxial parallel-connection formula hybrid power system according to the above embodiment of the present invention can also have following additional technical characteristic:
In some instances described clutch coupling zygophase comprise by original joint to the Half engagement point stage, by Half engagement point to the synchronous abutment stage and by synchronous abutment to the complete abutment stage.
In some instances, also comprise after described step S4: in starting next time of described automobile and when controlling described clutch coupling and engaging, the stroke controlling described clutch coupling according to the Half engagement point of described clutch coupling demarcated by described original joint to the speed of described Half engagement point, to reduce the engaging time of described clutch coupling.
In some instances, also comprise: when described automobile starting next time, repeat described step S1-S4, to upgrade the described Half engagement point demarcated.
The calibration system that embodiment still provides a kind of coaxial parallel-connection formula hybrid power system of second aspect present invention, described coaxial parallel-connection formula hybrid power system comprises the engine, clutch coupling, motor and the variator that are connected successively by transmission shaft, described calibration system comprises: detection module, described detection module is for detecting the current vehicle speed of automobile, and at described clutch coupling zygophase, detect the rotating speed of described engine; Judge module, described judge module for judging whether the current vehicle speed of described automobile is greater than pre-set velocity, and judges whether the rotating speed of described engine is greater than preset rotation speed; Controller, described controller is used for when described vehicle starting, control described motor and drive described running car, and when described judge module judges that the current vehicle speed of described automobile is greater than described pre-set velocity, control described clutch coupling to engage to drag described engine running, and when described judge module judges that the rotating speed of described engine is greater than described preset rotation speed, obtain the stroke of clutch coupling described in this moment, and using described stroke as the Half engagement point of described clutch coupling to demarcate described clutch coupling.
According to the calibration system of the coaxial parallel-connection formula hybrid power system of the embodiment of the present invention, when vehicle starting, pass through electromobile, and when the speed of a motor vehicle is greater than pre-set velocity, solenoidoperated cluthes engage to drag engine running, and when the rotating speed of engine is greater than preset rotation speed, obtain the Half engagement point of travel of clutch now as clutch coupling, to complete the demarcation to clutch coupling.Therefore, this calibration system can realize the on-line proving of clutch coupling Half engagement point, thus the Half engagement point change making hybrid power system automatically adapt to the wearing and tearing in the clutch coupling alignment error of different vehicle and the clutch coupling course of work to produce.In addition, this calibration system can realize the quick joint of clutch coupling, ensures the response time engaged, and can ensure the ride comfort of engaging process.
In addition, the calibration system of coaxial parallel-connection formula hybrid power system according to the above embodiment of the present invention can also have following additional technical characteristic:
In some instances, described clutch coupling zygophase comprise by original joint to the Half engagement point stage, by Half engagement point to the synchronous abutment stage and by synchronous abutment to the complete abutment stage.
In some instances, described controller is also in starting next time of described automobile and when controlling described clutch coupling and engaging, the stroke controlling described clutch coupling according to the Half engagement point of described clutch coupling demarcated by described original joint to the speed of described Half engagement point, to reduce the engaging time of clutch coupling.
In some instances, when described automobile starting next time, described controller is also for upgrading the described Half engagement point demarcated.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural drawing of coaxial parallel-connection formula hybrid power system;
Fig. 2 is the schematic diagram of clutch coupling Engagement Control process;
Fig. 3 is the process flow diagram of the scaling method of coaxial parallel-connection formula hybrid power system according to an embodiment of the invention;
Fig. 4 is the process flow diagram of the scaling method of coaxial parallel-connection formula hybrid power system in accordance with another embodiment of the present invention;
Fig. 5 is the dynamic schematic diagram of the control procedure of the scaling method of coaxial parallel-connection formula hybrid power system according to an embodiment of the invention; And
Fig. 6 is the structured flowchart of the calibration system of coaxial parallel-connection formula hybrid power system according to an embodiment of the invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below in conjunction with accompanying drawing 3-6 description according to the scaling method of the coaxial parallel-connection formula hybrid power system of the embodiment of the present invention and system.
Fig. 3 is the process flow diagram of the scaling method of coaxial parallel-connection formula hybrid power system according to an embodiment of the invention.As shown in Figure 3, the scaling method of coaxial parallel-connection formula hybrid power system according to an embodiment of the invention, wherein, coaxial parallel-connection formula hybrid power system comprises the engine, clutch coupling, motor and the variator that are connected successively by transmission shaft, and this scaling method comprises the following steps:
Step S301, when vehicle starting, is travelled by electromobile, and judges whether the current vehicle speed of automobile is greater than pre-set velocity.In other words, before vehicle starting, automobile is in idle stop state, and namely the engine of automobile is shut down; when vehicle starting, engine is still shut down, then travelled by electromobile; in the process of moving, judge the current vehicle speed of automobile, and judge whether this current vehicle speed is greater than pre-set velocity.Wherein, pre-set velocity presets according to actual needs.
Step S302, if the current vehicle speed of automobile is greater than pre-set velocity, then solenoidoperated cluthes engage to drag engine running.In other words, namely in the process of electromobile traveling, when the current vehicle speed of automobile is greater than pre-set velocity, then solenoidoperated cluthes engage to drag engine running.Specifically, namely electromobile travels, and meanwhile, motor drag engine, to make engine start.
Step S303, at clutch coupling zygophase, detects the rotating speed of engine.In one embodiment of the invention, clutch coupling zygophase comprise clutch coupling by original joint (the A point as in Fig. 5) to Half engagement point (the B point as in Fig. 5) stage, by Half engagement point to synchronous abutment (the C point as in Fig. 5) stage and by synchronous abutment to complete abutment (the D point as in Fig. 5) stage.Wherein, original joint is the travel point that clutch coupling has just started to engage; Half engagement point is the travel point can only transmitting power in engaging process, and also namely when Half engagement point, engine just has rotating speed; Synchronous abutment refers to travel point during clutch coupling constrained input axle two ends synchronization in engaging process, the travel point that also namely engine is identical with the rotating speed of motor; Complete abutment is the travel point of clutch coupling when engaging completely.As a concrete example, in the process of motor drag engine running, clutch coupling engages gradually, before Half engagement point, clutch coupling is transmitting torque not, and therefore, the rotating speed of engine is zero, and after clutch coupling reaches Half engagement point, clutch coupling starts transmitting torque, engine starts running.
Such as shown in composition graphs 5, travelled, and now clutch coupling is in released state before a point by electromobile, engine speed is 0; The speed of a motor vehicle at a point place reaches pre-set velocity V1, then now automobile clutch starts to engage, and motor drives engine start, and A point is the original joint of clutch coupling; When b point, the rotating speed of engine is greater than 0, then now clutch coupling starts transmitting torque, and the stroke of the B point corresponding with b point is the Half engagement point stroke of clutch coupling; When c point, motor speed is synchronous with engine speed, then the stroke of corresponding with c point C is the synchronous abutment stroke of clutch coupling; The stroke of D point is the stroke at the complete abutment of clutch coupling, and namely now clutch coupling engages completely.
Step S304, when judging that the rotating speed of engine is greater than preset rotation speed, obtains the stroke of this moment clutch coupling, and using the trip as the Half engagement point of clutch coupling to demarcate clutch coupling.Specifically, in the engaging process of clutch coupling and the process of motor drag engine start, detect the rotating speed of engine, when the rotating speed of engine is greater than preset rotation speed, then show clutch coupling transmitting torque, then obtain the stroke of clutch coupling now, and using the Half engagement point of the trip as clutch coupling, thus complete the demarcation to clutch coupling.Wherein, preset rotation speed presets according to the actual requirements, and as an example, preset rotation speed is such as but is not limited to 0.
In addition, in one embodiment of the invention, after step s 304 described above, also comprise: automobile next time starting and engage at solenoidoperated cluthes time, according to the stroke of the Half engagement point solenoidoperated cluthes of the clutch coupling demarcated by original joint to the speed of Half engagement point, to reduce the engaging time of clutch coupling.In other words, namely after automobile clutch has been demarcated, if automobile again start to walk and solenoidoperated cluthes engage time, then according to the position of the Half engagement point of the clutch coupling of above-mentioned demarcation, can be accelerated by the speed of original joint to Half engagement point the stroke of solenoidoperated cluthes, thus reduce the engaging time of clutch coupling, realize the quick joint of clutch coupling, ensure the response speed engaged.
In addition, when automobile starting next time, also by repeating above-mentioned steps S301-S304, to upgrade the Half engagement point demarcated.In other words, because hybrid power system works long hours the factors such as the wearing and tearing caused in process, the clutch coupling Half engagement point demarcated is made to engender error, cause calibration result not too accurate, therefore, by repeatedly performing above-mentioned steps S301-S304, to upgrade the Half engagement point demarcated, what ensure Half engagement point has higher real-time and accuracy, and then makes clutch's jointing process more quick, stable.
Below in conjunction with Fig. 4 as concrete example, the scaling method of the above-mentioned coaxial parallel-connection formula hybrid power system of the present invention is more specifically described.
Fig. 4 is the process flow diagram of the scaling method of coaxial parallel-connection formula hybrid power system in accordance with another embodiment of the present invention.As shown in Figure 4, the scaling method of coaxial parallel-connection formula hybrid power system in accordance with another embodiment of the present invention, comprises the following steps:
Step S401, parking of automobile.
Step S402, engine idle is shut down.Namely when parking of automobile, motor car engine enters idle stop state, and now engine is shut down.
Step S403, motor-driven vehicle is started to walk.Namely, when automobile will be started to walk, travelled by electromobile.
Step S404, judges whether the speed of a motor vehicle is greater than V1.Specifically, namely V1 is equivalent to pre-set velocity, namely judges whether current vehicle speed is greater than pre-set velocity V1, if so, then performs step S405, otherwise returns execution step S403.
Step S405, enters engine start mode of operation.In other words, namely when current vehicle speed is greater than pre-set velocity, motor drives engine start.
Step S406, clutch coupling Engagement Control.Namely enter clutch coupling zygophase, and the rotating speed of engine is detected.
Step S407, judges whether the rotating speed of engine is greater than 0, if so, then performs step S408, otherwise returns execution step S406.Specifically, in one embodiment of the invention, namely 0 represent preset rotation speed, is a preferred embodiment herein, it should be noted that, preset rotation speed can choose different values according to the actual requirements, does not repeat herein.
Step S408, record travel of clutch is Half engagement point.Namely, when judging that engine speed is greater than 0, the stroke of this moment clutch coupling is recorded, and using the Half engagement point of the trip as clutch coupling, to complete the demarcation to clutch coupling.
According to the scaling method of the coaxial parallel-connection formula hybrid power system of the embodiment of the present invention, when vehicle starting, pass through electromobile, and when automobile is greater than pre-set velocity, solenoidoperated cluthes engage to drag engine running, and when the rotating speed of engine is greater than preset rotation speed, obtain the Half engagement point of travel of clutch now as clutch coupling, to complete the demarcation to clutch coupling.Therefore, the method can realize the on-line proving of clutch coupling Half engagement point, thus the Half engagement point change making hybrid power system automatically adapt to the wearing and tearing in the clutch coupling alignment error of different vehicle and the clutch coupling course of work to produce, in addition, the method realizes in Vehicle Starting Process, therefore, the course of normal operation of hybrid power system is not affected.Meanwhile, the method can realize the quick joint of clutch coupling, ensures the response time engaged, and can ensure the ride comfort of engaging process.
Present invention also offers a kind of calibration system of coaxial parallel-connection formula hybrid power system.Fig. 6 is the structured flowchart of the calibration system of coaxial parallel-connection formula hybrid power system according to an embodiment of the invention.As shown in Figure 6, the calibration system 600 of coaxial parallel-connection formula hybrid power system according to an embodiment of the invention, wherein, this coaxial parallel-connection formula hybrid power system comprises the engine, clutch coupling, motor and the variator that are connected successively by transmission shaft, and this calibration system 600 comprises: detection module 610, judge module 620 and controller 630.
Specifically, detection module 610 for detecting the current vehicle speed of automobile, and at clutch coupling zygophase, detects the rotating speed of engine.In one embodiment of the invention, clutch coupling zygophase comprise by original joint to the Half engagement point stage, by Half engagement point to the synchronous abutment stage and by synchronous abutment to the complete abutment stage.Wherein, original joint is the travel point that clutch coupling has just started to engage; Half engagement point is the travel point can only transmitting power in engaging process, and also namely when Half engagement point, engine just has rotating speed; Synchronous abutment refers to travel point during clutch coupling constrained input axle two ends synchronization in engaging process, the travel point that also namely engine is identical with the rotating speed of motor; Complete abutment is the travel point of clutch coupling when engaging completely.As a concrete example, in the process of motor drag engine running, clutch coupling engages gradually, before Half engagement point, clutch coupling is transmitting torque not, and therefore, the rotating speed of engine is zero, and after clutch coupling reaches Half engagement point, clutch coupling starts transmitting torque, engine starts running.
Judge module 620 for judging whether the current vehicle speed of automobile is greater than pre-set velocity, and judges whether the rotating speed of engine is greater than preset rotation speed.Wherein, pre-set velocity presets according to actual needs.Preset rotation speed presets according to the actual requirements, and as a concrete example, preset rotation speed is such as but is not limited to 0.
Controller 630 is for when vehicle starting, control electromobile travels, and when judge module 620 judges that the current vehicle speed of automobile is greater than pre-set velocity, solenoidoperated cluthes engage to drag engine running, and when judge module 620 judges that the rotating speed of engine is greater than preset rotation speed, obtain the stroke of this moment clutch coupling, and using the trip as the Half engagement point of clutch coupling to demarcate clutch coupling.
As a concrete example, the course of work of above-mentioned calibration system 600 is: when vehicle starting, controller 630 controls electromobile and travels, in vehicle traveling process, detection module 610 detects the current vehicle speed of automobile, according to the current vehicle speed detected, judge module 620 judges whether this current vehicle speed is greater than pre-set velocity, if judge module 620 judges that current vehicle speed is greater than pre-set velocity, then controller 630 solenoidoperated cluthes engage and drag engine running, namely motor drag engine is to make engine start, further, in the process of clutch's jointing process and motor drag engine start, detection module 610 detects the rotating speed of engine, according to the rotating speed of the engine detected, judge module 620 judges whether this rotating speed is greater than preset rotation speed, when judge module 620 judges that the rotating speed of engine is greater than preset rotation speed, then show that clutch coupling starts transmitting torque, then controller 630 obtains the stroke of this moment clutch coupling, and using the trip as the Half engagement point of clutch coupling to complete the demarcation to clutch coupling.
In addition, in one embodiment of the invention, controller 630 also for when automobile time starting and when engaging at solenoidoperated cluthes, according to the formation of the Half engagement point solenoidoperated cluthes of the clutch coupling of demarcation by original joint to the speed of Half engagement point, to reduce the engaging time of clutch coupling.In other words, namely after automobile clutch has been demarcated, when if automobile is started to walk again and solenoidoperated cluthes engage time, then controller 630 is according to the position of the Half engagement point of the clutch coupling demarcated last time, the stroke of solenoidoperated cluthes is accelerated by the speed of original joint to Half engagement point, thus reduce the engaging time of clutch coupling, realize the quick joint of clutch coupling, ensure the response speed of set.
In addition, controller 630 also for automobile next time starting time, to demarcate Half engagement point upgrade.Specifically, because hybrid power system works long hours the factors such as the wearing and tearing caused in process, the clutch coupling Half engagement point demarcated is made to engender error, cause calibration result not too accurate, therefore, controller 630 can repeat the course of work of above-mentioned calibration system 600 to realize, to the renewal of the Half engagement point demarcated, ensureing that Half engagement point has higher real-time and accuracy, and then makes clutch's jointing process more quick, stable.
According to the calibration system of the coaxial parallel-connection formula hybrid power system of the embodiment of the present invention, when vehicle starting, pass through electromobile, and when automobile is greater than pre-set velocity, solenoidoperated cluthes engage to drag engine running, and when the rotating speed of engine is greater than preset rotation speed, obtain the Half engagement point of travel of clutch now as clutch coupling, to complete the demarcation to clutch coupling.Therefore, this calibration system can realize the on-line proving of clutch coupling Half engagement point, thus the Half engagement point change making hybrid power system automatically adapt to the wearing and tearing in the clutch coupling alignment error of different vehicle and the clutch coupling course of work to produce.In addition, this calibration system can realize the quick joint of clutch coupling, ensures the response time engaged, and can ensure the ride comfort of engaging process.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalency thereof.

Claims (8)

1. a scaling method for coaxial parallel-connection formula hybrid power system, is characterized in that, described coaxial parallel-connection formula hybrid power system comprises the engine, clutch coupling, motor and the variator that are connected successively by transmission shaft, said method comprising the steps of:
S1: when vehicle starting, drives described running car by described motor, and judges whether the current vehicle speed of described automobile is greater than pre-set velocity;
S2: if the current vehicle speed of described automobile is greater than described pre-set velocity, then control described clutch coupling and engage to drag described engine running;
S3: at described clutch coupling zygophase, detect the rotating speed of described engine; And
S4: when judging that the rotating speed of described engine is greater than preset rotation speed, obtains the stroke of clutch coupling described in this moment, and using described stroke as the Half engagement point of described clutch coupling to demarcate described clutch coupling.
2. the scaling method of coaxial parallel-connection formula hybrid power system as claimed in claim 1, it is characterized in that, described clutch coupling zygophase comprise by original joint to the Half engagement point stage, by Half engagement point to the synchronous abutment stage and by synchronous abutment to the complete abutment stage.
3. the scaling method of coaxial parallel-connection formula hybrid power system as claimed in claim 2, is characterized in that, also comprise after described step S4:
In starting next time of described automobile and when controlling described clutch coupling and engaging, the stroke controlling described clutch coupling according to the Half engagement point of the described clutch coupling demarcated by described original joint to the speed of described Half engagement point, to reduce the engaging time of described clutch coupling.
4. the scaling method of coaxial parallel-connection formula hybrid power system as claimed in claim 1, goes to be characterised in that, also comprises:
When described automobile starting next time, repeat described step S1-S4, to upgrade the described Half engagement point demarcated.
5. a calibration system for coaxial parallel-connection formula hybrid power system, is characterized in that, described coaxial parallel-connection formula hybrid power system comprises the engine, clutch coupling, motor and the variator that are connected successively by transmission shaft, and described calibration system comprises:
Detection module, described detection module for detecting the current vehicle speed of automobile, and at described clutch coupling zygophase, detects the rotating speed of described engine;
Judge module, described judge module for judging whether the current vehicle speed of described automobile is greater than pre-set velocity, and judges whether the rotating speed of described engine is greater than preset rotation speed;
Controller, described controller is used for when described vehicle starting, control described motor and drive described running car, and when described judge module judges that the current vehicle speed of described automobile is greater than described pre-set velocity, control described clutch coupling to engage to drag described engine running, and when described judge module judges that the rotating speed of described engine is greater than described preset rotation speed, obtain the stroke of clutch coupling described in this moment, and using described stroke as the Half engagement point of described clutch coupling to demarcate described clutch coupling.
6. the calibration system of coaxial parallel-connection formula hybrid power system as claimed in claim 5, it is characterized in that, described clutch coupling zygophase comprise by original joint to the Half engagement point stage, by Half engagement point to the synchronous abutment stage and by synchronous abutment to the complete abutment stage.
7. the calibration system of coaxial parallel-connection formula hybrid power system as claimed in claim 6, it is characterized in that, described controller is also in starting next time of described automobile and when controlling described clutch coupling and engaging, the stroke controlling described clutch coupling according to the Half engagement point of described clutch coupling demarcated by described original joint to the speed of described Half engagement point, to reduce the engaging time of clutch coupling.
8. the calibration system of coaxial parallel-connection formula hybrid power system as claimed in claim 5, is characterized in that, when described automobile starting next time, described controller is also for upgrading the described Half engagement point demarcated.
CN201310526827.1A 2013-10-30 2013-10-30 Calibration method and system of coaxial parallel type hybrid power system Pending CN104596761A (en)

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CN105134935A (en) * 2015-06-23 2015-12-09 中国重汽集团济南动力有限公司 Method for detecting half-combination point of AMT vehicle type clutch
CN106043273A (en) * 2016-05-31 2016-10-26 北京理工大学 Clutch self-calibration method of hybrid electric vehicle and application of clutch self-calibration method
CN106596114A (en) * 2016-12-13 2017-04-26 安徽江淮汽车集团股份有限公司 Start calibration system and method for hybrid vehicle
CN107901903A (en) * 2017-10-13 2018-04-13 潍柴动力股份有限公司 The method and motor vehicle driven by mixed power of adjust automatically clutch sliding wear point in driving conditions
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CN107901903A (en) * 2017-10-13 2018-04-13 潍柴动力股份有限公司 The method and motor vehicle driven by mixed power of adjust automatically clutch sliding wear point in driving conditions
CN107972659A (en) * 2017-10-19 2018-05-01 潍柴动力股份有限公司 Hand gear control system and control method for electric automobile
CN109764130A (en) * 2018-12-21 2019-05-17 潍柴动力股份有限公司 The control method of the self study of AMT clutch
CN110953335A (en) * 2019-12-19 2020-04-03 盛瑞传动股份有限公司 Gear shifting self-learning method and automobile
CN111677783A (en) * 2020-05-08 2020-09-18 中国北方车辆研究所 Calibration method for initial position parameter threshold of clutch sliding friction point

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