CN106023342A - Data management method and system for nonvolatile store of automatic gearbox - Google Patents
Data management method and system for nonvolatile store of automatic gearbox Download PDFInfo
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- CN106023342A CN106023342A CN201610316418.2A CN201610316418A CN106023342A CN 106023342 A CN106023342 A CN 106023342A CN 201610316418 A CN201610316418 A CN 201610316418A CN 106023342 A CN106023342 A CN 106023342A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0808—Diagnosing performance data
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
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Abstract
The invention provides a data management method and system for a nonvolatile store of an automatic gearbox. The method includes the steps that parameters to be counted are preset, and storage areas are set for the parameters to be counted; after a control unit of the automatic gearbox is powered on, according to judgment ranges of the preset parameters to be counted, latest data within the judgment ranges is selected from the storage areas of the parameters to be counted to serve as initial data, and if none of the data of the counted parameters is within the judgment ranges of the counted parameters, initialized data of the counted parameters serves as data of the corresponding counted parameters; in the working process of the control unit of the automatic gearbox, self-learning and updating are carried out on the data of the parameters to be counted in real time; when the control unit of the automatic gearbox is powered off, current data of the parameters to be counted is stored in the storage areas of the parameters to be counted. By means of the data management method and system, the wear condition of a shift fork or a clutch disc can be analyzed in a data management mode.
Description
Technical field
The present invention relates to automatic gear-box technical field, non-volatile particularly to a kind of automatic gear-box
Data managing method and system in memorizer.
Background technology
Automatic gear-box is that the one occurred relative to manual transmission can be automatically according to automobile speed
With the speed change gear that engine speed carries out self shifter manipulation.
The various automatic gear-box faults constantly occurred on market so that people increasingly pay close attention to change automatically
The quality problems of speed case, prior art can pass through data managing method record critical operational state, for
After-sales maintenance service provides necessary information, and can be used for monitoring automatic gear-box quality problems.Example
As, Chinese patent application publication No. is that the patent application of CN101676885A discloses data management side
Method and storage device and its controller, additionally, Chinese patent application publication No. CN103544254A
Patent application disclose a kind of data managing method and device.
But, prior art is concerned only with the quality problems of automatic gear-box, does not accounts for driving comfortable
Sex chromosome mosaicism.Due to change speed gear box in use, selector fork and clutch disc all there will be abrasion,
The most how to find that wear problem is to be modified just becoming urgently to be resolved hurrily asking in time by data management
Topic.
Summary of the invention
The present invention provides data in non-volatile memory management method and the system of a kind of automatic gear-box,
Aim to solve the problem that prior art cannot find what selector fork and clutch disc were worn and torn in time by data management
Problem.
The invention provides the data in non-volatile memory management method of a kind of automatic gear-box, including:
Preset each parameter to be counted, and be each parameter to be counted setting memory area, wherein,
The memory area of each parameter to be counted stores multiple each fluid drives according to first in first out respectively
The data that during case control unit power down, described parameter to be counted is corresponding;
After automatic gear-box control unit powers on, for each parameter to be counted, according to from newly to
Old order reads data from the memory area of this parameter to be counted, until the data read are in correspondence
Parameter to be counted judgement in the range of after, current data is assigned to described parameter to be counted;And
If all data read are not the most in the range of the judgement of corresponding parameter to be counted, then by described system
The initialization data of meter parameter is assigned to described statistical parameter;
In automatic gear-box control unit works, in real time the data of each parameter to be counted are learnt by oneself
Practise and updating;
When automatic gear-box control unit power down, the current data of each parameter to be counted is stored institute
State the memory area of parameter to be counted.
Preferably, described parameter to be counted includes following any one or more: shift fork location parameter,
Clutch pressure parameter, clutch half hitch chalaza parameter.
Preferably, the judgement scope of each parameter to be counted includes:
Shift fork location parameter judge that scope is as 500mv-4500mv;
Clutch pressure parameter judge that scope is as 0-1500kpa;
Clutch half hitch chalaza parameter judge that scope is as 240-320kpa.
Preferably, described method also includes:
Before reading up-to-date data from the memory area of each parameter to be counted, it is judged that this becomes automatically
Whether speed case control unit is to power on for the first time, the most then initialize the ginseng each to be counted of automatic gear-box
Number;If it is not, then for each parameter to be counted, according to order from the new to the old from this ginseng to be counted
The memory area of number reads data.
A kind of data in non-volatile memory management system of automatic gear-box, described system includes:
Parameter setting module, is used for presetting each parameter to be counted;
Memory area distribution module, for setting memory area for each parameter to be counted, wherein, often
The memory area of individual parameter to be counted stores multiple each automatic gear-box according to first in first out respectively
The data that during control unit power down, described parameter to be counted is corresponding;
Data determining module, for after automatic gear-box control unit powers on, waits to unite for each
Meter parameter, reads data according to order from the new to the old, directly from the memory area of this parameter to be counted
After the data extremely read are in the range of the judgement of corresponding parameter to be counted, current data is assigned to institute
State parameter to be counted;And if all data read are not the most in the judgement of corresponding parameter to be counted
In the range of, then the initialization data of described statistical parameter is assigned to described statistical parameter;
Data update module, in working in automatic gear-box control unit, in real time to each to be counted
The data of parameter carry out self study renewal;
Data memory module, for when automatic gear-box control unit power down, by each parameter to be counted
Current data store the memory area of described parameter to be counted.
Preferably, described parameter to be counted includes following any one or more: shift fork location parameter,
Clutch pressure parameter, clutch half hitch chalaza parameter.
Preferably, the judgement scope of each parameter to be counted includes:
Shift fork location parameter judge that scope is as 500mv-4500mv;
Clutch pressure parameter judge that scope is as 0-1500kpa;
Clutch half hitch chalaza parameter judge that scope is as 240-320kpa.
Preferably, described system also includes:
Judge module, is used at described data determining module from the memory area of each parameter to be counted
Before reading up-to-date data, it is judged that whether this automatic gear-box control unit is to power on for the first time;
Described data determining module specifically for when automatic gear-box control unit for power on for the first time time, then
Initialize the parameter each to be counted of automatic gear-box, otherwise, for each parameter to be counted, according to
Order from the new to the old reads data from the memory area of this parameter to be counted, until the data read
After in the range of the judgement of corresponding parameter to be counted, current data is assigned to described parameter to be counted;
And if all data read are not the most in the range of the judgement of corresponding parameter to be counted, then by institute
The initialization data stating statistical parameter is assigned to described statistical parameter.
The invention discloses data in non-volatile memory management method and the system of a kind of automatic gear-box, in advance
First set each parameter to be counted, and be that each parameter to be counted sets memory area, work as automatic gear-box
After control unit powers on, for each parameter to be counted, wait to unite from this according to order from the new to the old
The memory area of meter parameter reads data, so can guarantee that the data first obtained may be for most suitably used
Data, until after the data read are in the range of the judgement of corresponding parameter to be counted, by current data
It is assigned to described parameter to be counted, so judges whether to use these data by judgement scope, carry
The high reliability of assignment data, if all data read are not the most at the judgement model of this statistical parameter
In enclosing, then the initialization data of this statistical parameter is assigned to described statistical parameter, it is possible to carry further
Rise the reliability of data, in real time the data of each parameter to be counted are carried out self study renewal, when automatically becoming
During speed case control unit power down, the current data of each parameter to be counted is stored described parameter to be counted
Memory area, thus can be multiple up-to-date each automatic gear-box control unit power down time institute
The data stating parameter to be counted corresponding store, in order to according to these data analysis selector forks and
The abrasion condition of clutch disc.
Further, described parameter to be counted includes following any one or more: shift fork location parameter,
Clutch pressure parameter, clutch half hitch chalaza parameter.Utilize these parameters can be from multiple angles
Investigate selector fork and the abrasion condition of clutch disc of automatic gear-box.
Further, present invention also offers the judgement scope of each parameter to be counted, in order to TCU is automatic
Judge current data whether in the range of the judgement of corresponding parameter to be counted, to choose suitable data
As automatic gear-box at the initial value of this power up cycle.
Further, present invention also offers the date storage method of the memory area of parameter to be counted:
When carrying out data storage, according to FIFO principle the current data of each parameter to be counted is stored in and respectively treats
The memory area of statistical parameter.So can improve order and the reliability of data storage.
Further, the present invention read from the memory area of each parameter to be counted up-to-date data it
Before, it is judged that whether this automatic gear-box control unit is to power on for the first time, the most then initialize and automatically become
The parameter each to be counted of speed case;If it is not, then for each parameter to be counted, according to from the new to the old
Order reads data from the memory area of this parameter to be counted.So simple and effective acquisition of energy is each
The primary data of parameter to be counted.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to enforcement
In example, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
Some embodiments described in the present invention, for those of ordinary skill in the art, it is also possible to according to these
Accompanying drawing obtains other accompanying drawing.
The data in non-volatile memory pipe of the Fig. 1 automatic gear-box for providing according to the embodiment of the present invention
A kind of flow chart of reason method;
A kind of schematic diagram of the Fig. 2 structure of memory area for providing according to the embodiment of the present invention;
Fig. 3 is for respectively waiting in the nonvolatile storage of the automatic gear-box provided according to the embodiment of the present invention to unite
The digital independent of meter parameter and the flow chart of update method;
Fig. 4 is the shift fork location parameter with 8 sub-storage areas provided according to the embodiment of the present invention
The flow chart of method for reading data;
Fig. 5 is the clutch pressure ginseng with 8 sub-storage areas provided according to the embodiment of the present invention
The flow chart of the method for reading data of number;
Fig. 6 is the clutch quasi integration with 8 sub-storage areas provided according to the embodiment of the present invention
The flow chart of the method for reading data of some parameter;
The data in non-volatile memory pipe of the Fig. 7 automatic gear-box for providing according to the embodiment of the present invention
The another kind of flow chart of reason method;
The data in non-volatile memory pipe of the Fig. 8 automatic gear-box for providing according to the embodiment of the present invention
A kind of structural representation of reason system;
The data in non-volatile memory pipe of the Fig. 9 automatic gear-box for providing according to the embodiment of the present invention
The another kind of structural representation of reason system.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, its
In the most same or similar label represent same or similar element or there is same or like merit
The element of energy.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining this
Bright, and be not construed as limiting the claims.
The data in non-volatile memory management method of the automatic gear-box that the present invention provides and system, letter
Single data obtaining the parameter the most each to be counted of automatic gear-box efficiently are so that analyzing and changing
Shelves shift fork and the abrasion condition of clutch disc, and be adjusted, promote ride comfort, moreover it is possible to according to
Designer or after-sale service personnel demand derive to more control point.Further, the present invention can
Using as automatic catch vehicle automatic gear-box control unit (Transmission Control Unit,
One functional module of software TCU) uses, it is also possible to use separately as a detecting system.
In order to be better understood from technical scheme and technique effect, below with reference to flow chart and
Specific embodiment is described in detail.
Embodiments provide the data in non-volatile memory manager of a kind of automatic gear-box
Method, its flow process is as it is shown in figure 1, comprise the following steps:
S01, presets each parameter to be counted, and is that each parameter to be counted sets memory area, its
In, the memory area of each parameter to be counted is multiple according to first in first out storage the most respectively
The data that during gear box control unit power down, described parameter to be counted is corresponding.
In the present embodiment, the parameter each to be counted of automatic gear-box can be according to designer, sell
Rear service personal, the parameter each to be counted of automatic gear-box of user's request, these statistical parameters can be used
In the key components and parts of sign automatic gear-box, the such as state etc. of selector fork and clutch disc.Tool
The data that during body storage how many times automatic gear-box control unit power down, described parameter to be counted is corresponding, can
Depending on according to the actual requirements, such as, when needing more data to judge selector fork and clutch
During the state of sheet, it is intended that number can set some more, when clutch reliability is higher, can set less
Some, for example, it is possible to setting 30,20,8,5,3 etc., it is preferable that this appointment number is 8.
Memory area may be set in from nonvolatile storage (Non Volatile Memory, NVM),
Wherein, NVM can be the non-volatile memory such as flash memory (Flash Memory, Flash), NVRAM
In device, do not limit at this.
Specifically, described parameter to be counted includes following any one or more: shift fork location parameter,
Clutch pressure parameter, clutch half hitch chalaza (kisspoint) parameter;Preferably, described to be counted
Parameter includes: shift fork location parameter, clutch pressure parameter, clutch half hitch chalaza parameter.Each
There is the sub-storage areas of corresponding number in parameter to be counted, the memory area of each parameter to be counted is respectively
Individual automatic gear-box control unit for several times is specified before storing this parameter to be counted according to first in first out
The data of storage during power down.When having data in all memory areas of parameter to be counted, next time deposits
Data the earliest can be rejected during storage, then up-to-date data storage is come in.
Preferably, the data amount check that the memory area of each parameter to be counted stores as required is divided into many
Individual sub-storage areas, each sub-storage areas is numbered according to order from small to large, and numbering is the least
Sub-storage areas storage data the newest;When carrying out data storage, will according to FIFO principle
The current data of each parameter to be counted is stored in the memory area of the numbering minimum of each parameter to be counted.Certainly,
Can also be ranked up according to descending, not limit at this.
In a specific embodiment, as in figure 2 it is shown, be a kind of schematic diagram of the structure of memory area,
Illustrate as a example by the memory area comprising 8 sub-storage areas.When TCU power down, can be by this
Time numerical value write with a brush dipped in Chinese ink in Flash, thus ensure that it will not disappear because of TCU power down.NVM number
According to write time, according to FIFO principle, the most only write 1 sub-storage areas, here with
Territory, 8 sub-storage areas accompanying drawing illustrates, as first time data are designated as D1;When the 2nd time writes number
According to time, be designated as D2;Now D1 data move on to 2 sub-storage areas, and D2 data are written to 1 son storage
Region;When the 3rd write data D3, D3 writes 1 sub-storage areas, and D2, D1 are the most suitable
Move on to 2 sub-storage areas and 3 sub-storage areas ... when the 8th write data D8, D8 write 1
Sub-storage areas, D7......D1 is successively along moving on to 2 sub-storage areas, 8 sub-storage areas;Son storage
The number in region and size are according to the actual requirements or depending on the requirement etc. of software.
It should be noted that the parameter each to be counted of automatic gear-box can be shift fork location parameter, from
Outside clutch pressure parameter, clutch half hitch chalaza parameter, moreover it is possible to according to designer or after-sale service people
Member's demand derives to more control point.These are only the exemplary embodiment of the explanation present invention, it is impossible to
It is interpreted as limitation of the present invention.
S02, after automatic gear-box control unit powers on, for each parameter to be counted, according to from
Newly from the memory area of this parameter to be counted, read data to old order, until the data read exist
After in the range of the judgement of corresponding parameter to be counted, current data is assigned to described parameter to be counted;
And if all data read are not the most in the range of the judgement of corresponding parameter to be counted, then by institute
The initialization data stating statistical parameter is assigned to described statistical parameter.
As it is shown on figure 3, be the data reading of each parameter to be counted in the nonvolatile storage of automatic gear-box
Take and the flow chart of update method.
In the present embodiment, for each parameter to be counted, treat from this according to order from the new to the old
The memory area of statistical parameter reads data, so can guarantee that the data first obtained may be for most suitably used
Data, until after the data read are in the range of the judgement of corresponding parameter to be counted, by current number
According to being assigned to described parameter to be counted, so judge whether to use these data by judgement scope,
Improve the reliability of assignment data, if all data read are not the most in the judgement of this statistical parameter
In the range of, then the initialization data of this statistical parameter is assigned to described statistical parameter, it is possible to further
Promote the reliability of data.
Preferably, the judgement scope of each parameter to be counted includes:
Shift fork location parameter judge that scope is as 500mv-4500mv;
Clutch pressure parameter judge that scope is as 0-1500kpa;
Clutch half hitch chalaza parameter judge that scope is as 240-320kpa.
It should be noted that the above-mentioned basis of design judging scope can be as detecting above-mentioned each ginseng to be counted
The effective coverage of the sensor of number, when using different sensors, the value of above-mentioned judgement scope can be
Different.
As shown in Figure 4, for having the method for reading data of the shift fork location parameter of 8 sub-storage areas
Flow chart.After automatic gear-box control unit powers on, to the shift fork position self study result after preserving
(current data) verifies, when the result of shift fork self study meets the judgement of shift fork position sensor
Scope, then by using the position of shift fork self study once in new driving cycle, work as shift fork
The judgement scope that the result of self study defines beyond shift fork position sensor, then reciprocal the will be used
The data of secondary, by that analogy, if the data of all memory areas are not the most in the range of judging, that
Initialization data will be used.
As it is shown in figure 5, be the digital independent side of the clutch pressure parameter with 8 sub-storage areas
The flow chart of method.P-I (pressure after automatic gear-box control unit powers on, to the clutch after preserving
-current curve) self study result verifies, passes when the result of clutch P-I self study meets pressure
The judgement scope of sensor definition, then clutch P-I once will be used in new driving cycle
The force value of self study, when the result of clutch P-I self study is beyond sentencing that pressure transducer defines
Determine scope, then by the data of second from the bottom for use time, by that analogy, if all memory areas
Data are not the most in the range of judging, then will use initialization data.
As shown in Figure 6, for having the data reading of the clutch half hitch chalaza parameter of 8 sub-storage areas
The flow chart of access method.Clutch kisspoint point self study result after preserving is verified, when
The result of clutch kisspoint point self study meets the judgement scope of pressure transducer definition, then will
On using in new driving cycle, the value of clutch kisspoint point self study once, works as clutch
The judgement scope that the result of kisspoint point self study defines beyond pressure transducer, then will use
The data of second from the bottom time, by that analogy, the data if all of memory area are not judging model
In enclosing, then initialization data will be used.
The data of each parameter to be counted, in automatic gear-box control unit works, are carried out by S03 in real time
Self study updates.
In the present embodiment, if the current non-power down of automatic gear-box control unit, then it is assumed that this system
The meter cycle does not terminates, and in real time the data of each parameter to be counted is carried out self study renewal, until automatically becoming
Speed case control unit power down.Wherein, the self study of each parameter to be counted update can compared with technology,
It is not described in detail in this.
S04, when automatic gear-box control unit power down, stores the current data of each parameter to be counted
Memory area to described parameter to be counted.
In the present embodiment, using automatic gear-box control unit, whether power down as this measurement period is
The Rule of judgment of no end, simple and effective the life cycle of automatic gear-box is divided into each statistics week
Phase, to realize the system of the data that the parameter each to be counted of automatic gear-box is corresponding in this measurement period
Meter process, and finally obtain each to be counted of automatic gear-box in the whole life cycle of automatic gear-box
The data of parameter.Wherein, at the end of this measurement period, then by the current number of each parameter to be counted
According to the memory area of storage to parameter to be counted, such as in flash memory, so will not lose this statistics week
The statistical result of phase, in order to next measurement period obtains historical data.
Advantage of this is that, when TCU power down, can each data now be write with a brush dipped in Chinese ink in NVM,
Thus ensure that these data will not disappear because of TCU power down.
The embodiment of the present invention can set the parameter each to be counted of the automatic gear-box of required acquisition, and is
Each parameter to be counted sets multiple memory areas, as specified the memory area of number, this appointment number
Can be shown that selector fork and clutch disc abrasion condition set to obtain, then will automatically become
Speed the powering on of case control unit, power down, will as the Rule of judgment starting or terminating of each measurement period
The life cycle of automatic gear-box is divided into each measurement period, then according to the judgement of each parameter to be counted
Scope chooses the data of up-to-date and satisfied judgement scope as this secondary data more from the data stored before
New primary data, and in real time self study updates this data, until TCU power down, current data is deposited
Storage is to the memory space of corresponding parameter to be counted, in order to next cycle calls.The method simple and
Efficiently, can be according to the state of data analysis automatic gear-box of record, and data management processes reliability
High.
As it is shown in fig. 7, the nonvolatile storage of the automatic gear-box for providing according to the embodiment of the present invention
The another kind of flow chart of middle data managing method.In the present embodiment, described method also includes: from often
Before the memory area of individual parameter to be counted reads up-to-date data, it is judged that this automatic gear-box controls
Whether unit is to power on for the first time, the most then initialize the parameter each to be counted of automatic gear-box;If it is not,
Then for each parameter to be counted, according to order from the new to the old from the memory block of this parameter to be counted
Territory is read data.So primary data of the energy each parameter to be counted of simple and effective acquisition.
The embodiment of the present invention, after automatic gear-box control unit powers on, first determines whether this automatic gear-box
Whether control unit is to power on for the first time, to powering on for the first time and non-powering on for the first time is treated with a certain discrimination, if
Power on for the first time, then initialize the parameter each to be counted of automatic gear-box;If not powering on for the first time, then from
The memory area of each parameter to be counted reads the latest data that each parameter to be counted is corresponding.So may be used
To obtain the accurate initial value of this measurement period.
Correspondingly, present invention also offers the non-volatile memory of the automatic gear-box corresponding with said method
Data management system in device, is illustrated in figure 8 the data in non-volatile memory management of automatic gear-box
A kind of structural representation of system, may include that
Parameter setting module 801, is used for presetting each parameter to be counted;
Memory area distribution module 802, for for each parameter to be counted set memory area, wherein,
The memory area of each parameter to be counted stores multiple each fluid drives according to first in first out respectively
The data that during case control unit power down, described parameter to be counted is corresponding;
Data determining module 803, for after automatic gear-box control unit powers on, for each
Parameter to be counted, reads data according to order from the new to the old from the memory area of this parameter to be counted,
Until after the data read are in the range of the judgement of corresponding parameter to be counted, current data being assigned to
Described parameter to be counted;And if all data read the most not sentencing in corresponding parameter to be counted
In the range of Ding, then the initialization data of described statistical parameter is assigned to described statistical parameter;
Data update module 804, in working in automatic gear-box control unit, in real time to respectively treating
The data of statistical parameter carry out self study renewal;
Data memory module 805, for when automatic gear-box control unit power down, by each to be counted
The current data of parameter stores the memory area of described parameter to be counted.Certainly, data memory module
Can be used for storing other data, in order to computer automatically updates each data.
Wherein, described parameter to be counted includes following any one or more: shift fork location parameter, from
Clutch pressure parameter, clutch half hitch chalaza parameter.
Preferably, the judgement scope of each parameter to be counted includes:
Shift fork location parameter judge that scope is as 500mv-4500mv;
Clutch pressure parameter judge that scope is as 0-1500kpa;
Clutch half hitch chalaza parameter judge that scope is as 240-320kpa.
In the present embodiment, described data memory module 805 is specifically for inciting somebody to action according to FIFO principle
The current data of each parameter to be counted is stored in the memory area of each parameter to be counted.
Further, the system that the present invention provides also includes judge module 906, as it is shown in figure 9, should
Judge module 906 is used at described data determining module 803 from the memory area of each parameter to be counted
Before the data that middle reading is up-to-date, it is judged that whether this automatic gear-box control unit is to power on for the first time;
Described data determining module 803 is specifically for when automatic gear-box control unit is for power on for the first time
Time, then initialize the parameter each to be counted of automatic gear-box, otherwise, for each parameter to be counted,
From the memory area of this parameter to be counted, data are read according to order from the new to the old, until read
After data are in the range of the judgement of corresponding parameter to be counted, current data is assigned to described to be counted
Parameter;And if all data read are not the most in the range of the judgement of corresponding parameter to be counted,
Then the initialization data of described statistical parameter is assigned to described statistical parameter.
The data in non-volatile memory management of a kind of automatic gear-box that the embodiment of the present invention provides is
System, presets each parameter to be counted by parameter setting module 801 so that according to each ginseng to be counted
The critical component state of the storage data analysis automatic gear-box of number, distributes module 802 by memory area
Memory area is set, then by data determining module 803 according to each to be counted for each parameter to be counted
The judgement scope of parameter determines the primary data of this measurement period of each parameter to be counted, then by counting
In real time the data of each parameter to be counted are carried out self study renewal according to more new module 804, work as fluid drive
During case control unit power down, by data memory module 805, the current data of each parameter to be counted is deposited
Storage is to the memory area of parameter to be counted.Owing to data storage areas stores multiple latest data, with
It is easy to according to these data analysis selector forks and the abrasion condition of clutch disc.
Each embodiment in this specification all uses the mode gone forward one by one to describe, phase between each embodiment
As homophase, part sees mutually.For system embodiment, due to its basic phase
Being similar to embodiment of the method, so describing fairly simple, relevant part sees the part of embodiment of the method
Illustrate.System embodiment described above is only schematically, wherein said as separating
The unit of part description can be or may not be physically separate, the portion shown as unit
Part can be or may not be physical location, i.e. may be located at a place, or can also divide
Cloth is on multiple artificial windows.Some or all of module therein can be selected according to the actual needs
Realize the purpose of the present embodiment scheme.Those of ordinary skill in the art are not paying creative work
In the case of, i.e. it is appreciated that and implements.
Although the present invention discloses as above with preferred embodiment, but is not limited to the present invention.Appoint
What those of ordinary skill in the art, without departing under technical solution of the present invention ambit, all can profit
With the method for the disclosure above and technology contents, technical solution of the present invention made many possible variations and repair
Decorations, or it is revised as the Equivalent embodiments of equivalent variations.Therefore, every without departing from technical solution of the present invention
Content, according to the technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent
Change and modification, all still fall within the range of technical solution of the present invention protection.
Claims (8)
1. the data in non-volatile memory management method of an automatic gear-box, it is characterised in that bag
Include:
Preset each parameter to be counted, and be each parameter to be counted setting memory area, wherein,
The memory area of each parameter to be counted stores multiple each fluid drives according to first in first out respectively
The data that during case control unit power down, described parameter to be counted is corresponding;
After automatic gear-box control unit powers on, for each parameter to be counted, according to from newly to
Old order reads data from the memory area of this parameter to be counted, until the data read are in correspondence
Parameter to be counted judgement in the range of after, current data is assigned to described parameter to be counted;And
If all data read are not the most in the range of the judgement of corresponding parameter to be counted, then by described system
The initialization data of meter parameter is assigned to described statistical parameter;
In automatic gear-box control unit works, in real time the data of each parameter to be counted are learnt by oneself
Practise and updating;
When automatic gear-box control unit power down, the current data of each parameter to be counted is stored institute
State the memory area of parameter to be counted.
Method the most according to claim 1, it is characterised in that described parameter to be counted include with
Lower any one or more: shift fork location parameter, clutch pressure parameter, clutch half hitch chalaza are joined
Number.
Method the most according to claim 2, it is characterised in that the judgement model of each parameter to be counted
Enclose and include:
Shift fork location parameter judge that scope is as 500mv-4500mv;
Clutch pressure parameter judge that scope is as 0-1500kpa;
Clutch half hitch chalaza parameter judge that scope is as 240-320kpa.
4. according to the method described in any one of claims 1 to 3, it is characterised in that described method is also
Including:
Before reading up-to-date data from the memory area of each parameter to be counted, it is judged that this becomes automatically
Whether speed case control unit is to power on for the first time, the most then initialize the ginseng each to be counted of automatic gear-box
Number;If it is not, then for each parameter to be counted, according to order from the new to the old from this ginseng to be counted
The memory area of number reads data.
5. the data in non-volatile memory management system of an automatic gear-box, it is characterised in that institute
The system of stating includes:
Parameter setting module, is used for presetting each parameter to be counted;
Memory area distribution module, for setting memory area for each parameter to be counted, wherein, often
The memory area of individual parameter to be counted stores multiple each automatic gear-box according to first in first out respectively
The data that during control unit power down, described parameter to be counted is corresponding;
Data determining module, for after automatic gear-box control unit powers on, waits to unite for each
Meter parameter, reads data according to order from the new to the old, directly from the memory area of this parameter to be counted
After the data extremely read are in the range of the judgement of corresponding parameter to be counted, current data is assigned to institute
State parameter to be counted;And if all data read are not the most in the judgement of corresponding parameter to be counted
In the range of, then the initialization data of described statistical parameter is assigned to described statistical parameter;
Data update module, in working in automatic gear-box control unit, in real time to each to be counted
The data of parameter carry out self study renewal;
Data memory module, for when automatic gear-box control unit power down, by each parameter to be counted
Current data store the memory area of described parameter to be counted.
System the most according to claim 5, it is characterised in that described parameter to be counted include with
Lower any one or more: shift fork location parameter, clutch pressure parameter, clutch half hitch chalaza are joined
Number.
System the most according to claim 6, it is characterised in that the judgement model of each parameter to be counted
Enclose and include:
Shift fork location parameter judge that scope is as 500mv-4500mv;
Clutch pressure parameter judge that scope is as 0-1500kpa;
Clutch half hitch chalaza parameter judge that scope is as 240-320kpa.
8. according to the system described in any one of claim 5 to 7, it is characterised in that described system is also
Including:
Judge module, is used at described data determining module from the memory area of each parameter to be counted
Before reading up-to-date data, it is judged that whether this automatic gear-box control unit is to power on for the first time;
Described data determining module specifically for when automatic gear-box control unit for power on for the first time time, then
Initialize the parameter each to be counted of automatic gear-box, otherwise, for each parameter to be counted, according to
Order from the new to the old reads data from the memory area of this parameter to be counted, until the data read
After in the range of the judgement of corresponding parameter to be counted, current data is assigned to described parameter to be counted;
And if all data read are not the most in the range of the judgement of corresponding parameter to be counted, then by institute
The initialization data stating statistical parameter is assigned to described statistical parameter.
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CN106678354A (en) * | 2017-01-25 | 2017-05-17 | 安徽江淮汽车集团股份有限公司 | Self-adaptive control method and system for position of shifting fork of automatic gearbox |
CN109344007A (en) * | 2018-09-29 | 2019-02-15 | 安徽江淮汽车集团股份有限公司 | A kind of dual-clutch transmission NVM data method of calibration and module |
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