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 PDF

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Publication number
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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parameter
counted
data
automatic gear
memory area
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CN106023342B (en
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马培义
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Anhui Jianghuai Automobile Group Corp
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Anhui Jianghuai Automobile Group Corp
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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME 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
    • G07C5/00Registering or indicating the working of vehicles
    • G07C5/08Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0808Diagnosing performance data
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME 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
    • G07C5/00Registering or indicating the working of vehicles
    • G07C5/08Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0841Registering performance data
    • G07C5/085Registering performance data using electronic data carriers

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  • General Physics & Mathematics (AREA)
  • Control Of Transmission Device (AREA)

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

The data in non-volatile memory management method of a kind of automatic gear-box and system
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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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2814010B2 (en) * 1990-06-11 1998-10-22 株式会社ゼクセル Correction method of clutch operation control data
CN2478836Y (en) * 2001-02-23 2002-02-27 深圳市元征科技股份有限公司 Test operating mode recorder for vehicle
DE10044505B4 (en) * 1999-09-10 2007-11-29 Aisin Seiki K.K., Kariya Control unit for storing control data in a non-volatile memory
CN101127004A (en) * 2007-09-24 2008-02-20 中兴通讯股份有限公司 System and method for accessing data on flash memory
CN102834652A (en) * 2010-04-15 2012-12-19 丰田自动车株式会社 Automatic transmission shift range switching device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2814010B2 (en) * 1990-06-11 1998-10-22 株式会社ゼクセル Correction method of clutch operation control data
DE10044505B4 (en) * 1999-09-10 2007-11-29 Aisin Seiki K.K., Kariya Control unit for storing control data in a non-volatile memory
CN2478836Y (en) * 2001-02-23 2002-02-27 深圳市元征科技股份有限公司 Test operating mode recorder for vehicle
CN101127004A (en) * 2007-09-24 2008-02-20 中兴通讯股份有限公司 System and method for accessing data on flash memory
CN102834652A (en) * 2010-04-15 2012-12-19 丰田自动车株式会社 Automatic transmission shift range switching device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN106678354B (en) * 2017-01-25 2018-09-11 安徽江淮汽车集团股份有限公司 A kind of automatic gear-box shift fork position self-adaptation control method and system
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
CN109344007B (en) * 2018-09-29 2022-04-12 安徽江淮汽车集团股份有限公司 Double-clutch transmission NVM data verification method and module

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