CN108980319A - Reduce the method, apparatus and control device of spline beat noise - Google Patents
Reduce the method, apparatus and control device of spline beat noise Download PDFInfo
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- CN108980319A CN108980319A CN201811117671.0A CN201811117671A CN108980319A CN 108980319 A CN108980319 A CN 108980319A CN 201811117671 A CN201811117671 A CN 201811117671A CN 108980319 A CN108980319 A CN 108980319A
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- Prior art keywords
- clutch
- vehicle
- idling operation
- spline
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
- F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The present invention provides a kind of method, apparatus and control device for reducing spline beat noise, are related to the technical field of engine, including judge whether vehicle is in idling operation；If so, adjusting the location parameter of first clutch and second clutch to generate towing torque, by adjusting the location parameter of first clutch and second clutch under idling operation to generate towing torque.The embodiment of the present invention is by adjusting the location parameter of first clutch and second clutch under idling operation to generate towing torque, towing torque is transferred to the spline between double mass flywheel and double clutch by input shaft, reduce the fit clearance of the spline between double mass flywheel and double clutch, to reduce spline beat noise, increase the satisfaction of passenger inside the vehicle.
Description
Technical field
The present invention relates to technical field of engines, more particularly, to a kind of method, apparatus for reducing spline beat noise and
Control device.
Background technique
With the rapid development of automobile industry, consumer is more and more for the selection of vehicle, in addition to the power to vehicle
Property, outside the custom requirements such as safety, while driver comfort is required it is higher and higher, especially to NVH (Noise
Vibration Harshness, noise, vibration and sound vibration roughness) performance requirement.It investigates and shows according to the question of market, user
Have more than 60% it is discontented from vehicle NVH problem, these are discontented will have a direct impact on user to the driving satisfaction of vehicle with
And secondary purchase vehicle selection.Vehicle motor idling is most-often used one of the operating condition of user, and under the conditions of idling work, vehicle
Background noise environment is relatively small, thus the quality of engine idling sound quality (melodious degree) is easier to cause driver and passenger
Concern.
Engine is in power output, DMF (Double Mass Flywheel, double mass flywheel) and DCT (Dual
Clutch Transmission, double clutch) input shaft is using internal spline, the scheme of external splines clearance fit, due to matching
The presence for closing gap, is easy to produce beat noise between internal spline and external splines, and this spline beat noise is in engine work
Make to show slightly prominent under the lower idling operation of ambient noise, it is easy to cause being discontented with for passenger inside the vehicle.
Spline beat noise is prominent under idling operation for above-mentioned in the prior art, and the satisfaction of passenger inside the vehicle is lower
Problem not yet proposes effective solution at present.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of method, apparatus for reducing spline beat noise and control dresses
It sets, to reduce the spline beat noise under idling operation, increases the satisfaction of passenger inside the vehicle.
In a first aspect, being applied to controller, packet the embodiment of the invention provides a kind of method for reducing spline beat noise
It includes: judging whether vehicle is in idling operation；If so, adjusting the location parameter of first clutch and second clutch to generate
Pull torque.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein also
It include: to judge whether vehicle is detached from idling operation；If so, adjusting the location parameter of first clutch and second clutch to stop
Only generate towing torque.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, in idle
Fast operating condition include: vehicle engine speed in preset rotation speed threshold range, the parking shift of vehicle be linked into, the second gear of vehicle hang
Enter, the temperature of second clutch is lower than the first preset temperature and the accelerator pedal signal of vehicle is lower than preset signals value.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides the third of first aspect
Possible embodiment, wherein be detached from idling operation include: vehicle engine speed not in preset rotation speed threshold range,
The parking shift of vehicle is not linked into, the second gear of vehicle is not linked into, the temperature of second clutch is higher than the second preset temperature or vehicle
Accelerator pedal signal is higher than preset signals value.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein adjusts
The location parameter of first clutch and second clutch is saved to generate towing torque, comprising: determine first under semi-linkage state
The distance between clutch and second clutch contact surface；The position ginseng of first clutch and second clutch is adjusted according to distance
Number.
Second aspect, the embodiment of the present invention also provide a kind of device for reducing spline beat noise, are applied to controller, packet
It includes: first judgment module, for judging whether vehicle is in idling operation；First adjustment module is used for if so, adjusting first
The location parameter of clutch and second clutch is to generate towing torque.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein also
It include: the second judgment module, for judging whether vehicle is detached from idling operation；Second adjustment module is used for if so, adjusting the
The location parameter of one clutch and second clutch is to stop generating towing torque.
In conjunction with second aspect, the embodiment of the invention provides second of possible embodiments of second aspect, wherein place
In idling operation include: vehicle engine speed in preset rotation speed threshold range, the parking shift of vehicle be linked into, vehicle two
Gear is linked into, the temperature of second clutch is lower than the first preset temperature and the accelerator pedal signal of vehicle is lower than preset signals value.
In conjunction with the first possible embodiment of second aspect, the embodiment of the invention provides the third of second aspect
Possible embodiment, wherein be detached from idling operation include: vehicle engine speed not in preset rotation speed threshold range,
The parking shift of vehicle is not linked into, the second gear of vehicle is not linked into, the temperature of second clutch is higher than the second preset temperature or vehicle
Accelerator pedal signal is higher than preset signals value.
Second aspect, the embodiment of the present invention also provide a kind of control device for reducing spline beat noise, including processor,
Memory, bus and communication interface, processor, communication interface and memory are connected by bus；Memory is for storing program；
Processor executes first aspect and its each possible embodiment for calling program stored in memory by bus
One of provide method.
The embodiment of the present invention bring it is following the utility model has the advantages that
A kind of method, apparatus and control device reducing spline beat noise provided in an embodiment of the present invention, by idle
The location parameter of first clutch and second clutch is adjusted under fast operating condition to generate towing torque, towing torque is passed by input shaft
The defeated spline between double mass flywheel and double clutch, between the cooperation for reducing the spline between double mass flywheel and double clutch
Gap increases the satisfaction of passenger inside the vehicle to reduce spline beat noise.
Other feature and advantage of the disclosure will illustrate in the following description, alternatively, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or by implement the disclosure above-mentioned technology it can be learnt that.
To enable the above objects, features, and advantages of the disclosure to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the spline between a kind of DMF and DCT provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of method for reducing spline beat noise provided in an embodiment of the present invention；
The structural schematic diagram of spline of the Fig. 3 between another kind DMF and DCT provided in an embodiment of the present invention；
Fig. 4 is the flow chart of another method for reducing spline beat noise provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of device for reducing spline beat noise provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of control device for reducing spline beat noise provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
NVH performance is to influence the important indicator of passenger satisfaction, investigates and shows according to the question of market, and user has more than
60% it is discontented from vehicle NVH problem, these are discontented to will have a direct impact on user to the driving satisfaction of vehicle and secondary
Purchase vehicle selection.Under the conditions of idling work, vehicle context noise circumstance is relatively small, thus engine idling sound quality is (melodious
Degree) quality be easier to cause the concern of driver and passenger.
Currently, engine is in power output, DMF (Double Mass Flywheel, double mass flywheel) and DCT
(Dual Clutch Transmission, double clutch) input shaft using internal spline, the scheme of external splines clearance fit,
The structural schematic diagram of spline between a kind of DMF and DCT shown in Figure 1, due to the presence of fit clearance, internal spline and outer
Beat noise is easy to produce between spline, and this spline beat noise is in the lower idling operation of engine operation ambient noise
Under show slightly prominent, it is easy to cause that passenger inside the vehicle's is discontented.
In general, reducing spline beat noise method is mainly to change the hardware design or processing technology of spline fitted,
Spline beat noise is reduced by the control of promotion spline machining accuracy or the dimension chain for adding tight spline gaps, hardware design becomes
Being significantly increased for cost but will be brought, the continuous reduction in spline fitted gap will also result in assembly difficulty.
Based on this, a kind of method, apparatus and control device reducing spline beat noise provided in an embodiment of the present invention,
The location parameter of first clutch and second clutch is adjusted under idling operation to generate towing torque, it is possible to reduce idling operation
Under spline beat noise, increase the satisfaction of passenger inside the vehicle, without changing hardware design or processing technology, will not increase into
Sheet and assembly difficulty.
To be made an uproar to a kind of percussion of reduction spline disclosed in the embodiment of the present invention first convenient for understanding the present embodiment
The method of sound describes in detail.
Embodiment 1
The embodiment of the present invention 1 provides a kind of method for reducing spline beat noise, is applied to controller, referring to fig. 2 institute
A kind of flow chart of the method for the reduction spline beat noise shown, includes the following steps:
Step S202, judges whether vehicle is in idling operation.If so, executing step S204；If it is not, then terminating.
Idling operation is a kind of working condition of vehicle, referred to as idling when the race of engine.Engine exists when idling operation
It is operated in the case of uncharging, engine need to only overcome the frictional resistance of therein parts, not external output power.Vehicle can
Think car, car etc..Judge whether vehicle is in idling operation by controller, controller can be ECU (Elecmal
Control Unit, electronic control unit), TCU (Transmission Control Unit, automatic gear-box control unit)
Deng.Controller detects the parameter of vehicle operation.When the parameter of vehicle operation meets the condition of idling operation, then judge at vehicle
In idling operation, step S204 is executed.
Step S204 adjusts the location parameter of first clutch and second clutch to generate towing torque.
First clutch and second clutch respectively refer to two clutches in DCT.Location parameter can indicate first from
The position of clutch and second clutch, by the location parameter for adjusting first clutch and second clutch, thus it is possible to vary first
The relative position of clutch and second clutch.Towing torque refers to that all revolving speeds that can make rotational parts in gearbox decline
The resultant moment of resistance office.
When controller judges that vehicle is in idling operation, controller adjusts the position of first clutch and second clutch
Parameter makes first clutch and second clutch be in semi-linkage state, to generate towing torque.According to first clutch and
The positional relationship of two clutches divides, and discrete state, semi-linkage state can be divided between first clutch and second clutch
With complete fit-state.Under discrete state, first clutch and second clutch are kept completely separate, and will not generate towing torque；Half
Under linkage status, first clutch and the fitting of second clutch part can generate the medium towing torque of intensity；Fitting shape completely
Under state, first clutch and second clutch are bonded completely, can generate the biggish towing torque of intensity.
The structural schematic diagram of spline between another DMF shown in Figure 3 and DCT, when by first clutch and
After the fitting of two clutches generates towing torque, it can be transferred to the spline between DMF and DCT by input shaft, pull torque and start
The normal torque of machine is opposite.Towing torque can hinder engine normal rotation, thus pull torque will lead to DMF and DCT it
Between spline in internal spline be bonded with external splines, reduce DMF and DCT between spline fit clearance, struck to reduce spline
Hit noise.If first clutch and second clutch are in discrete state, towing torque is not generated, would not be reduced spline and be struck
Hit noise；If first clutch and second clutch are in complete fit-state, the towing torque of generation is excessive, will lead to hair
Motivation efficiency reduces；If first clutch and second clutch are in semi-linkage state, the towing torque of generation will not both drop
Low engine efficiency, and spline beat noise can be effectively reduced.
The above method provided in an embodiment of the present invention, by adjusting first clutch and second clutch under idling operation
Location parameter to generate towing torque, towing torque is transferred to the flower between double mass flywheel and double clutch by input shaft
Key, reduces the fit clearance of the spline between double mass flywheel and double clutch, to reduce spline beat noise, increases interior
The satisfaction of passenger.
It when vehicle derailing idling operation, needs to stop to generate towing torque, restores spline and work normally, the above method also wraps
It includes:
(1) judge whether vehicle is detached from idling operation.
Controller judges whether vehicle is detached from idling operation, and the standard of judgement is whether the parameter of vehicle meets disengaging idling
The condition of operating condition, if it is, controller judges vehicle derailing idling operation；If it is not, then controller judges that vehicle does not take off
From idling operation.
(2) if so, adjusting the location parameter of first clutch and second clutch to stop generating towing torque.
When controller judges vehicle derailing idling operation, controller adjusts the position of first clutch and second clutch
Parameter makes first clutch and second clutch be changed into discrete state from semi-linkage state, to stop generating towing torque.
The above method provided in an embodiment of the present invention, by the case where being detached from idling operation adjust first clutch and second from
For the location parameter of clutch to stop generating towing torque, spline restores normal.
Controller judges that vehicle is the condition for needing to detect the parameter that vehicle is run in idling operation and meeting idling operation,
Include: in idling operation
The engine speed of vehicle is in preset rotation speed threshold range, the parking shift of vehicle is linked into, the second gear of vehicle is linked into,
The temperature of second clutch is lower than preset signals value lower than the accelerator pedal signal of the first preset temperature and vehicle.
Engine speed refers to engine crankshaft winding number per minute.Preset rotation speed threshold range can be by manually setting
Fixed, generally 900rpm-1200rpm, engine speed when engine idling is generally between 900rpm-1200rpm.Parking
The direct effect of gear is to park, and the parking shift of vehicle, which is linked into, means that vehicle is in state of parking.Second gear is forward gear, is used for
Step, the second gear of double clutch vehicle is linked into it is meant that vehicle preparation starting, can shorten shift time, effectively improve gear shift product
Matter.The temperature of clutch is lower under idling operation, when controller detects the temperature of second clutch lower than the first default temperature
When spending, it is meant that vehicle is likely to be at idling mode；First preset temperature can with manual setting, generally 90 DEG C -110 DEG C it
Between.The accelerator pedal signal of vehicle is lower than preset signals value, illustrates that driver does not step on the gas, it is meant that vehicle is likely to be at idle
Fast state；Preset signals value can be with manual setting, between generally 1.5%-2.5%.
Only above-mentioned condition all meets, and controller just judges vehicle and is in idling operation；As long as there is a condition not have
There is satisfaction, controller does not judge vehicle and is in idling operation.
The above method provided in an embodiment of the present invention, the condition including idling operation, the only condition of idling operation are whole
Meet, controller just judges vehicle and is in idling operation.
Controller judges that vehicle is the parameter satisfaction disengaging idling operation for being detached from idling operation and needing to detect vehicle operation
Condition, being detached from idling operation includes:
The engine speed of vehicle is not in preset rotation speed threshold range, the parking shift of vehicle is not linked into, the second gear of vehicle
It is not linked into, the temperature of second clutch is higher than the second preset temperature or the accelerator pedal signal of vehicle is higher than preset signals value.
Preset rotation speed threshold range is generally 900rpm-1200rpm, if the engine speed of vehicle is not in preset rotation speed
In threshold range, illustrate that engine speed is higher, engine speed is very low or engine does not rotate, it can be determined that vehicle derailing is idle
Fast operating condition.The parking shift of vehicle, which is not linked into, illustrates that vehicle is not located at the state of parking, it can be determined that vehicle derailing idling operation.Vehicle
Second gear be not linked into and illustrate that vehicle does not prepare to start to walk, it can be determined that vehicle derailing idling operation.Second preset temperature is generally 14
Between DEG C 0-160 DEG C, the temperature of second clutch is higher than the second preset temperature, illustrates that the temperature of clutch is higher, it can be determined that
Vehicle derailing idling operation.Preset signals value can be with manual setting, between generally 1.5%-2.5%, the gas pedal of vehicle
Signal is higher than preset signals value, illustrates that driver is stepping on the gas, it can be determined that vehicle derailing idling operation.
As soon as controller judges vehicle derailing idling operation as long as above-mentioned condition has a satisfaction.
The above method provided in an embodiment of the present invention, the condition including being detached from idling operation, as long as being detached from idling operation
As soon as condition has a satisfaction, controller judges vehicle and is in idling operation.
Need according to the distance between first clutch and second clutch contact surface adjust first clutch and second from
The location parameter of clutch is to generate towing torque, for example, can execute according to the following steps:
(1) the distance between first clutch and the second clutch contact surface under semi-linkage state are determined.
The distance between first clutch and second clutch contact surface are closer, and the towing torque of generation is bigger, but pull
Torque, which crosses conference, reduces the efficiency of engine, it is therefore desirable to which the suitable towing torque of selection determines under suitable semi-linkage state
First clutch and the distance between second clutch contact surface.
(2) location parameter of first clutch and second clutch is adjusted according to distance.
The location parameter for adjusting first clutch and second clutch, so that first clutch and second clutch contact surface
The distance between it is suitable, generate suitable towing torque.
The above method provided in an embodiment of the present invention, by selecting first clutch under suitable semi-linkage state and the
The distance between two clutch contact surfaces adjust the location parameter of first clutch and second clutch, and generate and suitably drag
Drag torque.
A kind of method reducing spline beat noise provided in this embodiment, by adjusting the first clutch under idling operation
The location parameter of device and second clutch is to generate towing torque；In the case where being detached from idling operation adjust first clutch and second from
For the location parameter of clutch to stop generating towing torque, spline restores normal；Only the condition of idling operation all meets, control
Device just judges vehicle and is in idling operation；As soon as controller judges vehicle as long as the condition for being detached from idling operation has a satisfaction
Be in idling operation；By selecting between the first clutch and second clutch contact surface under suitable semi-linkage state
Distance adjusts the location parameter of first clutch and second clutch, and generates suitable towing torque.Idling work can be reduced
Spline beat noise under condition, increases the satisfaction of passenger inside the vehicle.
Embodiment 2
The embodiment of the present invention 2 provides a kind of method for reducing spline beat noise, and another reduce shown in Figure 4 is spent
The flow chart of the method for key beat noise, includes the following steps:
Step S402 starts vehicle.
Engine is opened, vehicle is started.
Step S404, judges whether vehicle is in idling operation.If so, executing step S406；If it is not, then terminating.
Controller judges whether vehicle is in idling operation, when controller judges that the operating parameter of vehicle meets the idle of whole
Fast working condition then judges that vehicle is in idling operation.
Step S406 adjusts the location parameter of first clutch and second clutch to generate towing torque.
By selecting the distance between first clutch and second clutch contact surface under suitable semi-linkage state, adjust
The location parameter of first clutch and second clutch is saved, and generates suitable towing torque.
Step S408, judges whether vehicle is detached from idling operation.If so, executing step S410；If it is not, then terminating.
Controller judges whether vehicle is detached from idling operation, has a satisfaction as long as being detached from the condition of idling operation, controls
Device just judges vehicle and is in idling operation.
Step S410 adjusts the location parameter of first clutch and second clutch to stop generating towing torque.
The location parameter of first clutch and second clutch is restored, stops generating towing torque, spline restores normal.
A kind of method reducing spline beat noise provided in this embodiment, by adjusting the first clutch under idling operation
The location parameter of device and second clutch is to generate towing torque；In the case where being detached from idling operation adjust first clutch and second from
For the location parameter of clutch to stop generating towing torque, spline restores normal.The spline percussion that can be reduced under idling operation is made an uproar
Sound increases the satisfaction of passenger inside the vehicle.
Embodiment 3
The embodiment of the present invention 3 provides a kind of device for reducing spline beat noise, a kind of reduction spline shown in Figure 5
The structural schematic diagram of the device of beat noise, including first judgment module 51 and the first adjustment module 52, the function of above-mentioned each module
It can be as follows:
First judgment module 51, for judging whether vehicle is in idling operation；
First adjustment module 52, for if so, adjusting the location parameter of first clutch and second clutch to generate
Pull torque.
Above-mentioned structure further include:
Second judgment module, for judging whether vehicle is detached from idling operation；
Second adjustment module, for if so, adjusting the location parameter of first clutch and second clutch to stop producing
Raw towing torque.
It is above-mentioned to include: in idling operation
The engine speed of vehicle is in preset rotation speed threshold range, the parking shift of vehicle is linked into, the second gear of vehicle is linked into,
The temperature of second clutch is lower than preset signals value lower than the accelerator pedal signal of the first preset temperature and vehicle.
Above-mentioned disengaging idling operation includes:
The engine speed of vehicle is not in preset rotation speed threshold range, the parking shift of vehicle is not linked into, the second gear of vehicle
It is not linked into, the temperature of second clutch is higher than the second preset temperature or the accelerator pedal signal of vehicle is higher than preset signals value.
It is apparent to those skilled in the art that for convenience and simplicity of description, the reduction of foregoing description
The specific work process of the device of spline beat noise, can refer to corresponding processes in the foregoing method embodiment, herein no longer
It repeats.
The device provided in an embodiment of the present invention for reducing spline beat noise, strikes with reduction spline provided by the above embodiment
The method technical characteristic having the same for hitting noise reaches identical technical effect so also can solve identical technical problem.
Embodiment 4
Referring to a kind of structural schematic diagram of the control device of reduction spline beat noise of Fig. 6, the embodiment of the present invention is also mentioned
A kind of control device 100 for reducing spline beat noise is supplied, comprising: processor 60, memory 61, bus 62 and communication interface
63, processor 60, communication interface 63 and memory 61 are connected by bus 62；Processor 60 stores in memory 61 for executing
Executable module, such as computer program.
Wherein, memory 61 may include high-speed random access memory (RAM, Random Access Memory),
It may further include nonvolatile storage (non-volatile memory), for example, at least a magnetic disk storage.Pass through at least one
A communication interface 63 (can be wired or wireless) realizes the communication link between the system network element and at least one other network element
It connects, internet, wide area network, local network, Metropolitan Area Network (MAN) etc. can be used.
Bus 62 can be isa bus, pci bus or eisa bus etc..It is total that bus can be divided into address bus, data
Line, control bus etc..Only to be indicated with a four-headed arrow in Fig. 6, it is not intended that an only bus or one convenient for indicating
The bus of seed type.
Wherein, memory 61 is for storing program, and processor 60 executes program after receiving and executing instruction, and aforementioned
Method performed by the device that the stream process that inventive embodiments any embodiment discloses defines can be applied in processor 60, or
Person is realized by processor 60.
Processor 60 may be a kind of IC chip, the processing capacity with signal.During realization, above-mentioned side
Each step of method can be completed by the integrated logic circuit of the hardware in processor 60 or the instruction of software form.Above-mentioned
Processor 60 can be general processor, including central processing unit (Central Processing Unit, abbreviation CPU), network
Processor (Network Processor, abbreviation NP) etc.；It can also be digital signal processor (Digital Signal
Processing, abbreviation DSP), specific integrated circuit (Application Specific Integrated Circuit, referred to as
ASIC), ready-made programmable gate array (Field-Programmable Gate Array, abbreviation FPGA) or other are programmable
Logical device, discrete gate or transistor logic, discrete hardware components.It may be implemented or execute in the embodiment of the present invention
Disclosed each method, step and logic diagram.General processor can be microprocessor or the processor is also possible to appoint
What conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly in hardware decoding processing
Device executes completion, or in decoding processor hardware and software module combination execute completion.Software module can be located at
Machine memory, flash memory, read-only memory, programmable read only memory or electrically erasable programmable memory, register etc. are originally
In the storage medium of field maturation.The storage medium is located at memory 61, and processor 60 reads the information in memory 61, in conjunction with
Its hardware completes the step of above method.
Carry out carrying the meter of the method, apparatus and control device that reduce spline beat noise provided by the embodiment of the present invention
Calculation machine program product, the computer readable storage medium including storing the executable non-volatile program code of processor, institute
Stating the instruction that program code includes can be used for executing previous methods method as described in the examples, and it is real that specific implementation can be found in method
Example is applied, details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of method for reducing spline beat noise, which is characterized in that be applied to controller, comprising:
Judge whether vehicle is in idling operation；
If so, adjusting the location parameter of first clutch and second clutch to generate towing torque.
2. the method according to claim 1, wherein further include:
Judge whether the vehicle is detached from the idling operation；
If so, adjusting the location parameter of the first clutch and the second clutch to stop generating the towing and turn round
Square.
3. the method according to claim 1, wherein described include: in idling operation
The engine speed of the vehicle is in preset rotation speed threshold range, the parking shift of the vehicle is linked into, the vehicle
Second gear is linked into, the temperature of the second clutch is lower than the first preset temperature and the accelerator pedal signal of the vehicle is lower than default
Signal value.
4. according to the method described in claim 2, it is characterized in that, the disengaging idling operation includes:
The engine speed of the vehicle is not in preset rotation speed threshold range, the parking shift of the vehicle is not linked into, the vehicle
Second gear be not linked into, the temperature of the second clutch be higher than the second preset temperature or the vehicle accelerator pedal signal it is high
In preset signals value.
5. the method according to claim 1, wherein adjusting the location parameter of first clutch and second clutch
Torque is pulled to generate, comprising:
Determine the distance between first clutch and the second clutch contact surface under semi-linkage state；
The location parameter of the first clutch and the second clutch is adjusted according to the distance.
6. a kind of device for reducing spline beat noise, which is characterized in that be applied to controller, comprising:
First judgment module, for judging whether vehicle is in idling operation；
First adjustment module, for being turned round if so, adjusting the location parameter of first clutch and second clutch with generating towing
Square.
7. device according to claim 6, which is characterized in that further include:
Second judgment module, for judging whether the vehicle is detached from the idling operation；
Second adjustment module, for if so, adjusting the location parameter of the first clutch and the second clutch to stop
Only generate the towing torque.
8. device according to claim 6, which is characterized in that described to include: in idling operation
The engine speed of the vehicle is in preset rotation speed threshold range, the parking shift of the vehicle is linked into, the vehicle
Second gear is linked into, the temperature of the second clutch is lower than the first preset temperature and the accelerator pedal signal of the vehicle is lower than default
Signal value.
9. device according to claim 7, which is characterized in that described to be detached from the idling operation and include:
The engine speed of the vehicle is not in preset rotation speed threshold range, the parking shift of the vehicle is not linked into, the vehicle
Second gear be not linked into, the temperature of the second clutch be higher than the second preset temperature or the vehicle accelerator pedal signal it is high
In preset signals value.
10. a kind of control device for reducing spline beat noise, which is characterized in that including processor, memory, bus and communication
Interface, the processor, communication interface and memory are connected by the bus；
The memory is for storing program；
The processor, for calling the program of storage in the memory by the bus, perform claim requires 1-5 to appoint
One the method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117671.0A CN108980319A (en) | 2018-09-25 | 2018-09-25 | Reduce the method, apparatus and control device of spline beat noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117671.0A CN108980319A (en) | 2018-09-25 | 2018-09-25 | Reduce the method, apparatus and control device of spline beat noise |
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| CN108980319A true CN108980319A (en) | 2018-12-11 |
Family
ID=64543925
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| CN201811117671.0A Pending CN108980319A (en) | 2018-09-25 | 2018-09-25 | Reduce the method, apparatus and control device of spline beat noise |
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Application publication date: 20181211 |