CN110406524A - Clutch abuses indicator - Google Patents
Clutch abuses indicator Download PDFInfo
- Publication number
- CN110406524A CN110406524A CN201810383766.0A CN201810383766A CN110406524A CN 110406524 A CN110406524 A CN 110406524A CN 201810383766 A CN201810383766 A CN 201810383766A CN 110406524 A CN110406524 A CN 110406524A
- Authority
- CN
- China
- Prior art keywords
- electronic control
- control module
- vehicle
- clutch
- determined
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/12—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to parameters of the vehicle itself, e.g. tyre models
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/0098—Details of control systems ensuring comfort, safety or stability not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/02—Clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0644—Engine speed
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The present invention relates to a kind of clutches to abuse indicator.Present disclose provides a kind of methods for determining the amount of the energy absorbed during each stage of vehicle operating by clutch.The described method comprises the following steps: the clutch calculated in the first stage of vehicle operating absorbs energy；The clutch calculated in the second stage of vehicle operating absorbs energy；And the energy absorbed in the first stage of vehicle operating is added with the energy absorbed in the second stage of vehicle operating.
Description
Technical field
The present disclosure generally relates to the clutch mechanisms for vehicle, more particularly, to for the energy in gaging clutch
Measure the clutch mechanism absorbed.
Background technique
During vehicle start, turn when driver increases engine while clutch is engaged with speed changer or gearbox
When speed simultaneously discharges clutch in the case where Engine full load or overload to generate rapid vehicle starting then, clutch can be inhaled
Receive energy.The operating condition may can damage clutch in the case where driver does not recognize.It is thus desirable to provide a kind of instruction
Device is with the amount for the energy that instruction clutch absorbs during vehicle start.
Summary of the invention
Present disclose provides a kind of for determining the energy absorbed during each stage of vehicle operating by clutch
The method of amount.
In accordance with one embodiment of the present disclosure, a kind of vehicle is provided.The vehicle includes: electronic control module
(ECM), the ECM is configured to store the measured value of the gross energy absorbed by clutch and by the gross energy and predetermined threshold
Value compares, wherein including: to be measured and stored by the ECM in vehicle operating by the gross energy that the clutch absorbs
The energy absorbed in first stage by clutch；By the ECM is measured and store in the second stage of the vehicle operating
The energy absorbed by the clutch, wherein the energy absorbed in the first stage and the second stage is by as follows
Parameter determines: by the engine speed of sensor measurement, by the car speed of sensor measurement and by the engine
The motor torque that fuel delivery rate is measured；The energy wherein absorbed in the first stage of the vehicle operating
With the energy that is absorbed in the second stage of the vehicle operating by the ECM be added together to determine by it is described from
The gross energy that clutch absorbs；And wherein the ECM is further constructed to when the gross energy is greater than the predetermined threshold
Reduce the engine speed.
In another embodiment, the energy absorbed in the first stage by the clutch is by by described
The function for the clutch that ECM is determined determines that the function determines that the various vehicle features include: to deposit by various vehicle features
Storage is in the inertia of the flywheel in the ECM, the inertia for the engine crankshaft being stored in the ECM and is stored in the ECM
The clutch inertia；By the sensor measurement the first stage at the beginning of engine speed and described
Engine speed at the end of one stage；And the effective engine power determined by the ECM；And wherein described
The energy absorbed in two-stage by the clutch is by the effective engine power that is determined by the ECM come really
Fixed, the effective engine power is determined by various vehicle features, the various vehicle features include: be stored in it is described
Power car efficiency in ECM, the vehicle weight clutch power determined by the ECM consumption, determined in the ECM；
The resistance coefficient of the tire and road surface that are stored in the ECM, the vehicle running gradient determined by the ECM, be stored in it is described
Coefficient of air resistance in ECM, the car speed by the sensor measurement, the vehicle rotating mass that is stored in the ECM
And the vehicle acceleration determined by the ECM.In another embodiment, the vehicle further comprises and by the ECM
Hair needed for determining tire drag, the second stage acceleration determined as the ECM grade measured and as the ECM
The associated parameter of motivation power, the tire drag, the grade and the acceleration are grasped by calculating in the vehicle
Determined in the phase III of work by energy that the clutch absorbs, in the phase III of the vehicle operating by it is described from
The energy that clutch absorbs is measured and is stored by the ECM.In yet another embodiment, by described in the phase III
The energy that clutch absorbs determines that the engine has by the effective engine power determined by the ECM
Effect power determines that the various vehicle features include: the power car being stored in the ECM by various vehicle features
Efficiency, the vehicle weight determined in the ECM, the tire and road surface that are stored in the ECM resistance coefficient, by
Vehicle running gradient that the ECM is determined, the coefficient of air resistance being stored in the ECM, by the vehicle of the sensor measurement
Speed, the vehicle rotating mass being stored in the ECM and the vehicle acceleration determined by the EMC.In another implementation
In mode, the energy absorbed in the phase III by the clutch has by the engine determined by the ECM
It imitates power to determine, the effective engine power is determined by various vehicle features, and the various vehicle features include: storage
The power car efficiency in the ECM, the vehicle weight determined in the ECM, be stored in the ECM described in
Tire and the resistance coefficient on road surface, the vehicle running gradient determined by the ECM, by the sensor measurement car speed,
The vehicle rotating mass being stored in the ECM and the vehicle acceleration determined by the ECM.In yet another embodiment,
When the gross energy is greater than the predetermined threshold, the ECM reduces engine speed, or described in the vehicle operating
Torque in second stage is conditioned.In another embodiment, the vehicle further comprises indicator, wherein when described total
Energy activates the indicator when being greater than the predetermined threshold；And the indicator includes indicator lamp, audible signal and deposits
Store up at least one of the value corresponding to the gross energy in the memory of the ECM.
According to the disclosure another, embodiment there is provided a kind of vehicles.The vehicle includes: electronic control module
(ECM), the ECM is configured to store the measured value of the gross energy absorbed by clutch, wherein absorbed by the clutch
The gross energy include: by the ECM is measured and store in the first stage of vehicle operating by clutch absorb energy,
The function of the clutch determined by the ECM is wherein passed through by the energy that the clutch absorbs in the first stage
It determines, the function is determined by various vehicle features, and the various vehicle features include: to be stored in the ECM to fly
The inertia of wheel, the inertia for the engine crankshaft being stored in the ECM and the clutch that is stored in the ECM it is used
Property；Engine speed when by the first stage of the sensor measurement and start at the end of the first stage
Machine revolving speed；And the effective engine power determined by the ECM；Measured and stored by the ECM in the vehicle operating
Second stage in the energy that is absorbed by the clutch, wherein the energy absorbed in the second stage by the clutch
It is determined by the effective engine power determined by the ECM, the effective engine power is special by various vehicles
Property determines, the various vehicle features include: the power car efficiency being stored in the ECM, by the ECM determine from
Clutch power consumption, the vehicle weight determined in the ECM；The resistance coefficient of the tire and road surface that are stored in the ECM,
The vehicle running gradient that is determined by the ECM, the coefficient of air resistance being stored in the ECM, by the sensor measurement
Car speed, the vehicle rotating mass being stored in the ECM and the vehicle acceleration determined by the ECM；And wherein
The energy that is absorbed in the first stage of the vehicle operating and in the second stage of the vehicle operating
The energy absorbed is added together to determine the gross energy absorbed by the clutch；Wherein in first stage and described
Engine speed of the energy absorbed in second stage by the free sensor measurement of origin, the vehicle by sensor measurement
The input of speed and the motor torque measured by the fuel delivery rate in the engine determines.
In another embodiment, the vehicle further comprises with the tire drag determined by the ECM, by institute
The grade and the associated ginseng of engine power as needed for the acceleration of the ECM second stage determined for stating ECM measurement
Number, the tire drag, the grade and the acceleration by calculate in the phase III of the vehicle operating by
The energy that clutch absorbs determines, the energy that is absorbed in the phase III of the vehicle operating by the clutch
Amount is measured and is stored by the electronic control module.In another embodiment, by the clutch in the phase III
The energy of absorption determines that the effective engine power passes through by the effective engine power determined by the ECM
Various vehicle features determine that the various vehicle features include: the power car efficiency being stored in the ECM, In
The resistance coefficient, true by the ECM of the vehicle weight, the tire and road surface that are stored in the ECM that are determined in the ECM
Fixed vehicle running gradient, the coefficient of air resistance being stored in the ECM, by the sensor measurement car speed, deposit
The vehicle acceleration for storing up the vehicle rotating mass in the ECM and being determined by the ECM.In yet another embodiment, In
The energy absorbed in the phase III as the clutch is by starting described in being determined as the electronic control module
Machine effective power determines that the effective engine power is determined by various vehicle features, the various vehicle feature packets
It includes: the power car efficiency being stored in the electronic control module, the vehicle determined in the electronic control module
The resistance coefficient, true by the electronic control module of weight, the tire and road surface that are stored in the electronic control module
Fixed vehicle running gradient is turned by the car speed of the sensor measurement, the vehicle that is stored in the electronic control module
Kinoplaszm amount and the vehicle acceleration determined by the electronic control module.In another embodiment, the vehicle is further
Including indicator, wherein activating the indicator when the gross energy is greater than the predetermined threshold；And the indicator packet
Include at least one in indicator lamp, audible signal and the value corresponding to the gross energy that is stored in the memory of the ECM
Person.
Detailed description of the invention
Embodiment of the present disclosure is described below by referring in conjunction with attached drawing, the above and other of the disclosure is special
Levy and obtain their mode and will be apparent, and be better understood with the disclosure itself, in which:
Fig. 1 is the general illustration of the interaction between engine and speed changer according to the vehicle of the disclosure；
Fig. 2 is the curve graph for illustrating example vehicle data in accordance with one embodiment of the present disclosure, is used to calculate
By the amount of the energy of vehicular clutch consumption；
Fig. 3 is the curve graph for illustrating the example vehicle data according to the disclosure, is used to determine what second stage terminated
Time；And
Fig. 4 is the curve graph for illustrating the example vehicle data according to the disclosure, is used to determine for second stage
The value of item in equation；
Fig. 5 is the curve graph for illustrating vehicle data according to one embodiment, and wherein engine is during vehicle operation
Undergo multiple gear shift；And
Fig. 6 is the curve graph for illustrating the engine speed data of Fig. 5 according to the disclosure, has the additional vehicle proposed
Data and for calculation purposes stage of the engine data of mark.
Specific embodiment
Embodiment disclosed herein be not intended to exhaustion or the disclosure is limited to middle public affairs described in detail below
The precise forms opened.On the contrary, embodiment is selected and is described as so that those skilled in the art can be using its introduction.
A kind of amount for the energy that present disclose provides determinations to be absorbed during each stage of vehicle operating by clutch
Method.
With reference first to Fig. 1, vehicle 10 is shown.Vehicle 10 includes 12 He of engine being coupled to each other via clutch 16
Speed changer 14, wherein clutch 16 includes being secured to the first plate 18 of engine crankshaft 15 and being secured to transmission input 17
Second plate 20.
In general, vehicle start/operation can be divided into two stages, wherein clutch 16 has been converted into from completely disengaging
Full engagement.In the first stage of vehicle start, the first plate 18 of clutch 16 rotates, but the second plate 20 of clutch 16 does not revolve
Turn.As clutch pedal (not shown) starts to discharge, clutch 16 is partially engageable with, thus in the first plate 18 and not of rotation
Friction heat loss is generated between second plate 20 of rotation.The energy consumption in stage 1 is that the energy of engine 12 exports and because of clutch
The sum of the rotating energy of 18 reduction of the first plate of device 16.
In the second stage of vehicle operating, the second plate 20 of clutch 16 starts (via clutch pedal (not shown)
Further release) with clutch 16 the first plate 18 rotate, so that speed changer 14 be coupled with engine 12 and make vehicle
Starting.But in this stage, the second plate 20 of clutch 16 is rotated with the rate slower than the first plate 18.The energy in stage 2
Consumption is the difference of the energy output and the received energy of vehicle of engine 12.
The method further discussed herein allows to calculate the clutch 16 during vehicle operating (such as vehicle start)
Energy consumption.In general, the energy consumption (hereinafter referred to as clutch abuse index (CAI)) of clutch 16 is electronic control
The sum of the measurement of first stage energy consumption and ECM and the second stage energy consumption of storage of module (ECM) measurement and storage.
Referring to Fig. 2, vehicle data and the exemplary graph by the time are shown.As shown, respectively for vehicle
First stage, second stage and the phase III of operation, there are three regions, are generally indicated with appended drawing reference 1,2 and 3.Fig. 2 is also
Provide respectively indicate accelerator pedal position, the revolving speed of engine 12, total fuel feed and car speed curve 22,
24,26 and 28.
Fig. 2 illustrates the vehicle for the driver with poor driving technology relative to the engagement of clutch 16
Data.Usually in the stage 1, curve 22 (indicating accelerator position) remains zero, and is turned by the engine of sensor measurement
Speed is low idle speed when originating in the stage 1 (for example, about 800rpm).The beginning in stage 1 is by engine speed (curve 24)
It is initial increase after the reduction of engine speed indicate.The reduction of the revolving speed of engine 12 is due to being substantially shown in FIG. 1
And foregoing clutch 16 applies caused by frictional force between the first plate 18 and the second plate 20.Moreover, being surveyed by sensor
The car speed (curve 28) of amount is held constant at 0, and instruction vehicle is static at this time point.In addition, in the stage 1, it is total to fire
Material supply amount is the index of torque.Injector opening time that the fuel pressure and ECM measured by sensor is controlled calculates
Fuel feed increment rate indicate increased torque, combine with reduced engine speed to show due to clutch is answered
Engine load increases.Moreover, being determined as the heat waste in clutch 16 with the not associated torque increase of vehicle movement
Mistake is consumed.In one embodiment, used sensor is cooperated with ECM voltage measuring value is converted to speed and is surveyed
The voltage sensor of magnitude.In another embodiment, used sensor is cooperated with ECM to convert frequency measurement
For the frequency sensor of velocity measurement.
When vehicle speed curve 28 is changed from zero to nonzero value, instruction second stage start/first stage terminate (that is,
Second stage is converted to from the first stage).In the second stage of Fig. 2, accelerator pedal position curve 22 is shown sharply
Increase, in conjunction with the reduction of engine speed graph 24, indicate the second plate 20 of clutch 16 as gear is shifted gears in vehicle and
Start to rotate.The data are combined with the data discussed above with respect to the stage 1, show that clutch 16 is just slipped over the stage 1 by driver
And the half in stage 2, then quick release clutch 16 (for example, near time 12 of Fig. 2).
The terminal of second stage is determined by checking the second curve graph of vehicle data shown in Fig. 3.Fig. 3 figure
Show both engine speed graph 24 and transmission ratio curve 30 and passes through the curve graph of time.In the exemplary embodiment,
Transmission ratio curve 30 is the ratio between vehicle speed curve 28 (Fig. 2) and engine speed graph 24.The time base that second stage terminates
Become the opportunity of constant (that is, curve of constant ratio) in the ratio between engine speed and tailing axle speed.In the illustrated embodiment,
Engine speed graph 24 illustrate the fluctuation as engine speed graph 24 and caused by possibility from about 8 seconds to about 13 second
Clutch abuse.
As previously mentioned, the calculating of CAI (clutch abuse index) is by ECM measurement and the first stage stored and second-order
The summation of the energy consumption of section.In order to calculate the energy consumption of clutch 16 in the first phase, the rotating energy of clutch 16
It consumes and is measured and is added with the output of the effective energy of engine.
In one embodiment, ECM determines that the function of clutch 16, various vehicles are special by measuring various vehicle features
Property it is all in this way: be stored in the inertia of the inertia of the flywheel in ECM, the inertia of the crankshaft of engine 12 and clutch 16；Exist respectively
First stage start with the first stage at the end of by sensor measurement engine 12 revolving speed；And started by what ECM was determined
Machine effective power (product of engine speed and motor torque).
In order to calculate energy consumption of the clutch 16 in second stage, it is equal to by the effective engine power that ECM is determined
The summation of power demand.Power demand includes: the clutch power consumption determined by ECM, the tire rolling being stored in ECM
Loss, the vehicle determined by ECM according to vehicle speed sensor climbing grade are lost by the aerodynamics of vehicle that ECM is determined
And it is stored in the acceleration rotatory inertia (axle and wheel) in ECM.Engine in order to determine the engine 12 in the stage 2 is effective
Power and other characteristics measured include: the power car efficiency being stored in ECM, by the power of the ECM clutch 16 determined
The vehicle weight for consuming, being stored in ECM；The resistance coefficient of the tire and road surface that are stored in ECM, the vehicle determined by ECM
Running gradient, the coefficient of air resistance being stored in ECM, by sensor measurement car speed (for example, km/h), be stored in
Vehicle rotating mass in ECM, the vehicle acceleration determined by ECM are (for example, m/s2) and vehicle 10 frontal area.
During the second stage of vehicle operating, can make it is various it is assumed that such as zero and close to zero car speed
During operation, power car efficiency is constant and air drag can ignore.In addition, also assume that vehicle running gradient and
Resistance coefficient is constant in the second stage of vehicle operating.Finally, it is assumed that with tire drag, grade and acceleration institute
The associated parameter of engine power needed is constant in entire vehicle operating.However, based on the letter provided in second stage
Breath, these vehicle features are unknown.As further discussed herein, these characteristics can be by the third rank with vehicle operating
The associated vehicle data of section calculates.That is, the data in conjunction with the phase III of vehicle operating calculate these, and this
A little values are for calculating the power of the clutch 16 in second stage.
The phase III (region 3 being generally designated as in Fig. 2) of vehicle operating is that clutch 16 (Fig. 1) is fully connected and sends out
When motivation 12 is connected to speed changer 14.Clutch 16 (Fig. 1) in the stage does not have energy consumption.In exemplary embodiment party
In formula, steady state operation of the vehicle in the constant-slope instruction by both engine speed graph 40 and vehicle speed curve 42
Make (that is, the ratio between engine speed and car speed are constant as shown in the curve 30 in Fig. 3).As previously mentioned, third rank
The calculating of some coefficients of the section for supporting second stage.That is, the phase III associated equation with vehicle operating is used
In the aforementioned not previously known value for the second stage for determining vehicle operating.Once it is determined that these vehicle features, just calculate second-order
The power output of clutch in section.
In order to determine the effective engine power of the engine 12 in the phase III, various vehicle features, various vehicles are measured
Characteristic include: the power car efficiency being stored in ECM, the vehicle weight determined by ECM, the tire being stored in ECM with
The resistance coefficient on road surface, the vehicle running gradient determined by ECM, the coefficient of air resistance being stored in ECM, by sensor measurement
Car speed (for example, km/h), the vehicle rotating mass being stored in ECM, the vehicle acceleration that is determined by ECM is (for example, m/
s2) and vehicle 10 frontal area or vehicle 10 air dynamic behaviour.
Similar to the stage 2, air drag can ignore during zero or near zero car speed operates, and assume vehicle
Running gradient and tire and the resistance coefficient on road surface are constant during the phase III of vehicle operating.
Analysis chart 4 is with the associated parameter of engine power needed for determining and tire drag, grade and acceleration.Such as
Curve 32,34 shown in Fig. 4 respectively indicates and the associated ginseng of engine power needed for tire drag, grade and acceleration
Number.According to the value for determining these vehicle features with the associated time value of the terminal of above-mentioned second stage.As can be seen, bent
Line 32 and 34 is relative constant (for example, from about 13 seconds) in this region.In one embodiment, due to existing and wheel
The case where changeability of the associated parameter value of engine power needed for tire rolling resistance, grade and acceleration, so using number
Learn the value calculated to determine these vehicle features.Once it is determined that these vehicle feature values, just determine vehicle using these values
The power of the clutch 16 in the stage 2 of operation.
Once ECM calculates and store the corresponding energy of first stage and second stage, these values are just added together to by ECM
Determine the energy that clutch 16 absorbs during vehicle operation.The memory (for example, RAM) that the value can be sent to ECM carries out
Storage is to record driver's operating condition.The data can be used also to activate indicator to lead to the energy absorption of clutch 16 in ECM
Know vehicle operators and changes the driving cycles in operator's future.
As shown in Figure 5 and Figure 6, the above method can be applied to the vehicle that multiple gear shift occurs before reaching stable state
Operating condition.Fig. 5 illustrates such vehicle working condition, i.e., curve 40 illustrates the revolving speed of engine 12 and curve 46 illustrates hair
The transmission ratio of motivation 12.In Fig. 5, gear of vehicle is shifted gears twice before reaching stable state, this passes through in region I and II
Upward trend curve 40 indicates.
In order to which preceding method is applied to Fig. 5 and data shown in Fig. 6, Fig. 6 is checked, wherein Fig. 6 shows vehicle work
Condition, wherein curve 40,42 and 44 respectively indicates the revolving speed, car speed and net motor torque of engine 12.In addition, vehicle is grasped
The first stage of work and second stage are identified, and manner described above carrys out the respective value of 1,2 and 2A of calculation equation.
As previously discussed, the phase III of vehicle operating is needed to calculate and the associated unknown vehicle feature of second stage
Value.Fig. 6 is shown substantially respectively with the additional fourth stage of the instruction of appended drawing reference 4 and 5 and the 5th stage.As with 44 institute of curve
Indicated by engine speed reduction shown in the corresponding curve 40 for increasing connection of the net motor torque shown, vehicle is the 4th
Stage and the shift of the 5th stage, and there is the energy consumption that can be ignored in the 5th stage in clutch 16.Exist in vehicle
After fourth stage and the shift of the 5th stage, vehicle enters the phase III that vehicle operates at steady state, and (such as engine turns
The constant-slope instruction of 42 the two of speed 40 and vehicle speed curve).In this point, the phase III is calculated, and is counted
Calculate the energy value of first stage and second stage.Then by calculating the energy value phase Calais of first stage and second stage
CAI。
Methods provided herein can be calculated by electronic control module (ECM).ECM receives turn with engine 12
The relevant input of torque of speed, car speed and engine 12.Then, ECM can be using these inputs, in conjunction with described herein
Method calculate the energy absorbed by clutch 16, to calculate CAI, CAI is stored in ECM.In illustrative embodiments
In, if CAI is more than the predetermined threshold set in ECM, ECM can notify driver's such case.For example, ECM can be
The visual signal of alarm (for example, indicator lamp) form is provided on instrument board, or alternatively, ECM can provide sense of hearing letter
Number.Driver is not only notified when clutch absorbs this energy by the indicator of ECM activation, but also during vehicle operation
Increase understanding of the driver to clutch situation.
Moreover, ECM can control engine 12 and in the rank of next circulation when finding that CAI is greater than predetermined threshold
The revolutions per minute (that is, engine speed) of engine 12 is limited in section 1 to reduce inertia energy load when clutch engagement.
In the stage 2, engine 12 can adjust engine speed and/or torque via ECM based on present engine operating parameter
To reduce CAI value.Both function may require the additional vehicle parameter input value for being input to ECM, and wherein ECM analysis is defeated
Enter value with confirm driver start vehicle start or determine driver want increase engine speed, with when vehicle stops into
Row test, to disable engine speed limitation.Example vehicle parameter input value include: previous CAI value, car speed,
Engine speed, shutdown switch, clutch switch, transmission neutral switch, accelerator pedal position and engine operation state.
Then, ECM other vehicle parameters are adjusted based on input value with realize to be greater than predetermined threshold CAI aforementioned response (for example,
Engine speed is reduced in the stage 1 of next circulation, or adjusts the engine speed and/or torque in the stage 2).
As previously mentioned, methods provided herein, which can be provided to manufacturer or driver, shows the energy absorbed by clutch
The indicator of the amount of amount.The information can be not only used for assessment driver's operating condition, and drive for further guidance and/or training
The person of sailing operates vehicle in a manner of extending life of clutch.
Can without departing from the scope of the invention for discuss illustrative embodiments various modification can be adapted
And addition.Although the scope of the present invention further includes with different characteristic group for example, above embodiment is related to special characteristic
The embodiment of conjunction and do not include all Expressive Features embodiment.Therefore, the scope of the present invention is intended to cover fall into right
Claim is together with all these substitutions, the modifications and variations in the range of its all equivalent.
Claims (12)
1. a kind of vehicle, the vehicle include:
Electronic control module, the electronic control module be configured to store the measured value of the gross energy absorbed by clutch and
By the gross energy compared with predetermined threshold, wherein including: by the gross energy that the clutch absorbs
By the energy absorbed in the first stage of vehicle operating by clutch that the electronic control module measures and stores；With
And
By the electronic control module measures and what is stored is absorbed in the second stage of the vehicle operating by the clutch
Energy, wherein the energy absorbed in the first stage and the second stage is determined by following parameter: by sensing
The engine speed of device measurement, the car speed by sensor measurement and the hair by the fuel delivery rate measurement in engine
Motivation torque；
Wherein, the energy that is absorbed in the first stage of the vehicle operating and described the of the vehicle operating
The energy absorbed in two-stage is added together to determine the total energy absorbed by the clutch by the electronic control module
Amount；And
Wherein, the electronic control module is further constructed to when the gross energy is greater than the predetermined threshold described in reduction
Engine speed.
2. vehicle according to claim 1, wherein the energy absorbed in the first stage by the clutch
It is determined by the function of the clutch determined by the electronic control module, the function is determined by various vehicle features, institute
It states inertia that various vehicle features include: the flywheel being stored in the electronic control module, be stored in the electronic control mould
The inertia of the inertia of engine crankshaft in block and the clutch being stored in the electronic control module；By the sensing
Engine speed at the beginning of the first stage of device measurement and the engine speed at the end of the first stage；With
And the effective engine power determined by the electronic control module；And
Wherein, the energy absorbed in the second stage by the clutch by the electronic control module by being determined
The effective engine power determine that the effective engine power is determined by various vehicle features, described various
Vehicle feature includes: the power car efficiency being stored in the electronic control module, is determined by the electronic control module
Clutch power consumption, is stored in the electronic control module vehicle weight determined in the electronic control module
Tire and the resistance coefficient on road surface, are stored in the electronic control at the vehicle running gradient determined by the electronic control module
Coefficient of air resistance in module, the car speed by the sensor measurement, the vehicle that is stored in the electronic control module
Rotating mass and the vehicle acceleration determined by the electronic control module.
3. vehicle according to claim 2, wherein the vehicle further comprises determining with by the electronic control module
Tire drag, the grade measured by the electronic control module and determined by the electronic control module described second
The associated parameter of engine power needed for the acceleration in stage, the tire drag, the grade and the acceleration
It is determined in the phase III of the vehicle operating by energy that the clutch absorbs by calculating, in the vehicle operating
The phase III in measured and stored by the electronic control module by the energy that the clutch absorbs.
4. vehicle according to claim 3, wherein the energy absorbed in the phase III by the clutch
It is determined by the effective engine power determined by the electronic control module, the effective engine power passes through each
Vehicle feature is planted to determine, the various vehicle features include: the power car being stored in the electronic control module
Efficiency, the vehicle weight determined in the electronic control module, the tire being stored in the electronic control module and road surface
Resistance coefficient, the vehicle running gradient determined by the electronic control module, the sky that is stored in the electronic control module
Vapour lock force coefficient, the car speed by the sensor measurement, the vehicle rotating mass that is stored in the electronic control module
And the vehicle acceleration determined by the electronic control module.
5. vehicle according to claim 3, wherein the energy absorbed in the phase III by the clutch
It is determined by the effective engine power determined by the electronic control module, the effective engine power passes through various
Vehicle feature determines that the various vehicle features include the power car effect being stored in the electronic control module
Rate, the vehicle weight determined in the electronic control module, the tire that is stored in the electronic control module and road surface
Resistance coefficient, vehicle running gradient, the car speed by the sensor measurement, storage determined by the electronic control module
Vehicle rotating mass in the electronic control module and the vehicle acceleration determined by the electronic control module.
6. vehicle according to claim 1, wherein when the gross energy is greater than the predetermined threshold, the electronics control
Molding block reduces engine speed, or the torque in the second stage of the vehicle operating is conditioned.
7. vehicle according to claim 1, wherein the vehicle further comprises indicator, wherein when the gross energy
The indicator is activated when greater than the predetermined threshold；And
The indicator includes indicator lamp, audible signal and is stored in corresponding in the memory of the electronic control module
At least one of the value of the gross energy.
8. a kind of vehicle, the vehicle include:
Electronic control module, the electronic control module are configured to store the measured value of the gross energy absorbed by clutch,
In by the gross energy that the clutch absorbs include:
By the electronic control module measures and store in the first stage of vehicle operating by clutch absorb energy,
In the energy that is absorbed in the first stage by the clutch pass through the clutch that is determined by the electronic control module
The function of device determines that the function is determined by various vehicle features, the various vehicle features include: to be stored in the electronics
The inertia of flywheel in control module, the engine crankshaft being stored in the electronic control module inertia and be stored in described
The inertia of the clutch in electronic control module；By the sensor measurement the first stage at the beginning of start
Machine revolving speed and the engine speed at the end of the first stage；And had by the engine that the electronic control module determines
Imitate power；
By the electronic control module measures and what is stored is absorbed in the second stage of the vehicle operating by the clutch
Energy, wherein the energy absorbed in the second stage by the clutch pass through it is true by the electronic control module
The fixed effective engine power determines that the effective engine power is determined by various vehicle features, described each
Kind of vehicle feature includes: the power car efficiency being stored in the electronic control module, is determined by the electronic control module
Clutch power consumption, in the electronic control module determine vehicle weight；It is stored in the electronic control module
Tire and road surface resistance coefficient, determined by the electronic control module vehicle running gradient, be stored in the electronics control
Coefficient of air resistance in molding block, by the sensor measurement car speed, be stored in the electronic control module
Vehicle rotating mass and the vehicle acceleration determined by the electronic control module；And
The energy that is wherein absorbed in the first stage of the vehicle operating and described the of the vehicle operating
The energy absorbed in two-stage is added together to determine the gross energy absorbed by the clutch；
The hair that the energy wherein absorbed in the first stage and the second stage passes through next free sensor measurement
Motivation revolving speed turns by the car speed of sensor measurement and by the engine that the fuel delivery rate in the engine is measured
The input of square determines.
9. vehicle according to claim 8, wherein the vehicle further comprises determining with by the electronic control module
Tire drag, the grade measured by the electronic control module and determined by the electronic control module described second
The associated parameter of engine power needed for the acceleration in stage, the tire drag, the grade and the acceleration
It is determined in the phase III of the vehicle operating by energy that the clutch absorbs by calculating, in the vehicle operating
The phase III in measured and stored by the electronic control module by the energy that the clutch absorbs.
10. vehicle according to claim 9, wherein the energy absorbed in the phase III by the clutch
The effective engine power by being determined by the electronic control module is measured to determine, the effective engine power passes through
Various vehicle features determine that the various vehicle features include: the power car being stored in the electronic control module
Efficiency, the vehicle weight determined in the electronic control module, the tire being stored in the electronic control module
With the resistance coefficient on road surface, the vehicle running gradient determined by the electronic control module, be stored in the electronic control module
In coefficient of air resistance, turned by the car speed of the sensor measurement, the vehicle that is stored in the electronic control module
Kinoplaszm amount and the vehicle acceleration determined by the electronic control module.
11. vehicle according to claim 9, wherein the energy absorbed in the phase III by the clutch
The effective engine power by being determined by the electronic control module is measured to determine, the effective engine power passes through
Various vehicle features determine that the various vehicle features include: the power car being stored in the electronic control module
Efficiency, the vehicle weight determined in the electronic control module, the tire being stored in the electronic control module
With the resistance coefficient on road surface, the vehicle running gradient determined by the electronic control module, by the vehicle of the sensor measurement
Speed, the vehicle rotating mass being stored in the electronic control module and added by the vehicle that the electronic control module determines
Speed.
12. vehicle according to claim 8, wherein the vehicle further comprises indicator, wherein when the gross energy
The indicator is activated when greater than the predetermined threshold；And
The indicator includes indicator lamp, audible signal and is stored in corresponding in the memory of the electronic control module
At least one of the value of the gross energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383766.0A CN110406524A (en) | 2018-04-26 | 2018-04-26 | Clutch abuses indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810383766.0A CN110406524A (en) | 2018-04-26 | 2018-04-26 | Clutch abuses indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110406524A true CN110406524A (en) | 2019-11-05 |
Family
ID=68345967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810383766.0A Pending CN110406524A (en) | 2018-04-26 | 2018-04-26 | Clutch abuses indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110406524A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1695013A (en) * | 2002-10-01 | 2005-11-09 | 伊顿公司 | Clutch protection system |
| DE102005061080A1 (en) * | 2005-01-20 | 2006-07-27 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Damage detection method of clutch, involves determining friction power introduced into friction surfaces of components, by slippage between torque-transferring components |
| CN101517260A (en) * | 2006-09-18 | 2009-08-26 | 沃尔沃拉斯特瓦格纳公司 | Method for clutch protection |
| EP2461064A2 (en) * | 2010-12-02 | 2012-06-06 | Scania CV AB | Method and system for assessment of clutch wear |
| CN104214243A (en) * | 2013-06-04 | 2014-12-17 | 罗伯特·博世有限公司 | Method for determining clutch wear |
| CN106151312A (en) * | 2015-05-13 | 2016-11-23 | 舍弗勒技术股份两合公司 | Method for protecting a clutch of a motor vehicle |
-
2018
- 2018-04-26 CN CN201810383766.0A patent/CN110406524A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1695013A (en) * | 2002-10-01 | 2005-11-09 | 伊顿公司 | Clutch protection system |
| DE102005061080A1 (en) * | 2005-01-20 | 2006-07-27 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Damage detection method of clutch, involves determining friction power introduced into friction surfaces of components, by slippage between torque-transferring components |
| CN101517260A (en) * | 2006-09-18 | 2009-08-26 | 沃尔沃拉斯特瓦格纳公司 | Method for clutch protection |
| EP2461064A2 (en) * | 2010-12-02 | 2012-06-06 | Scania CV AB | Method and system for assessment of clutch wear |
| CN104214243A (en) * | 2013-06-04 | 2014-12-17 | 罗伯特·博世有限公司 | Method for determining clutch wear |
| CN106151312A (en) * | 2015-05-13 | 2016-11-23 | 舍弗勒技术股份两合公司 | Method for protecting a clutch of a motor vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 何德誉, 机械工业出版社, pages: 96 - 101 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6392294B2 (en) | Method and apparatus for estimating vehicle mass | |
| CN108414244B (en) | Electric automobile power assembly real vehicle simulation test bed and test method thereof | |
| US5986545A (en) | Vehicle driveability evaluation system | |
| JP3065069B2 (en) | Device for monitoring the wear state of friction clutches | |
| US7647138B2 (en) | Programmable automotive computer system having start time and wheel spin correction | |
| US7966115B2 (en) | System and method for controlling transmission shift points based on vehicle weight | |
| US4701852A (en) | Method and device for signaling that gear change is required | |
| US7300384B2 (en) | Methods and devices for controlling a disk clutch | |
| US10126160B2 (en) | Method and vehicle with arrangement for estimating mass of the vehicle | |
| EP2359032B1 (en) | Gear feedback system | |
| CN102245456A (en) | Driving condition evaluation device and evaluation method | |
| CN107054155A (en) | One kind is based on pure electrically driven (operated) simulation manual gear learner-driven vehicle | |
| CN107907345B (en) | The detection method of power of vehicle inertia platform examination | |
| CN104198196B (en) | Method for detecting equivalent inertia of rotating parts of automobile and engine | |
| KR100938217B1 (en) | Drivability measurement and analysis system | |
| CN101680533A (en) | Be used to control the method for automated multistep change-speed gearbox | |
| CN109388775B (en) | Engine loss calculation method and engine loss calculation device | |
| CN100504119C (en) | Method of estimating vehicle deceleration during a transmission gear shift | |
| CN110406524A (en) | Clutch abuses indicator | |
| WO2020223389A1 (en) | Heavy duty engine regulatory testing apparatus and method | |
| CN107560860B (en) | Vehicle in use road test detects engine power method | |
| KR100561269B1 (en) | Method for determining slip | |
| SE535427C2 (en) | Method and system for assessing coupling wear | |
| JP5524351B2 (en) | How to determine the driving capability of a car | |
| CN110967190A (en) | Method for detecting maximum torque and power of engine by automobile bench test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |