CN114704639B - Gear shifting information statistics method and device and vehicle - Google Patents
Gear shifting information statistics method and device and vehicle Download PDFInfo
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- CN114704639B CN114704639B CN202210392171.8A CN202210392171A CN114704639B CN 114704639 B CN114704639 B CN 114704639B CN 202210392171 A CN202210392171 A CN 202210392171A CN 114704639 B CN114704639 B CN 114704639B
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- 238000000034 method Methods 0.000 title claims description 57
- 238000007619 statistical method Methods 0.000 claims abstract description 13
- 238000012216 screening Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000008030 elimination Effects 0.000 claims description 5
- 238000003379 elimination reaction Methods 0.000 claims description 5
- 238000007405 data analysis Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000013500 data storage Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
Abstract
The embodiment of the invention discloses a gear shifting information statistical method, a gear shifting information statistical device and a vehicle. The gear shifting information statistical method comprises the following steps: acquiring gearbox data, and obtaining target variable information according to the gearbox data; analyzing the target variable information to obtain gear shift variable information; determining shift clamping stagnation information according to shift fork action information in the shift variable information; and counting shift variable information and shift jamming information. According to the embodiment of the invention, the gear shifting variable information and the gear shifting clamping stagnation information are counted by acquiring and processing the data of the gearbox. The automatic degree of gear shifting information statistics is improved, the labor consumption is reduced, the statistical speed is improved, and further the gear shifting information statistics efficiency is improved.
Description
Technical Field
The embodiment of the invention relates to a transmission detection and statistics technology, in particular to a gear shifting information statistics method and device and a vehicle.
Background
The mechanical automatic gearbox (AMT) with the sliding tooth sleeve structure has the probability of top tooth in the gear shifting process, can cause the phenomenon of gear shifting clamping stagnation, so that a driver experiences poor driving experience, and the situations of early wear and the like of transmission hardware can be caused when the driving experience is serious.
Therefore, in the prior art, the data of the gearbox is recorded into a curve form, the gear shifting action of the gearbox is observed and manually judged, and the curve is analyzed point by point. The method has a plurality of inconveniences for the integral statistical analysis work of AMT gear shifting clamping stagnation. The automation degree is low, and the labor consumption is high.
Disclosure of Invention
The invention provides a gear shifting information counting method, a gear shifting information counting device and a vehicle, which are used for improving the automation degree of gear shifting information counting, reducing the labor consumption and improving the gear shifting information counting efficiency.
In a first aspect, an embodiment of the present invention provides a gear shift information statistical method, including:
acquiring gearbox data, and obtaining target variable information according to the gearbox data;
analyzing the target variable information to obtain gear shift variable information;
determining shift clamping stagnation information according to shift fork action information in the shift variable information;
and counting the gear shifting variable information and the gear shifting clamping stagnation information.
Optionally, after the acquiring gearbox data and obtaining the target variable information according to the gearbox data, the method further includes:
and arranging the target variable information according to a preset list format, and storing according to a preset storage code.
Optionally, the target variable information includes current gear information, target gear information, upshift progress information, downshift information and shift position information.
Optionally, the analyzing the target variable information to obtain shift variable information includes:
screening out the target variable information in the gear shifting period to serve as gear shifting target variable information;
screening out the required gear shifting target variable information in the gear shifting target variable information according to the gear of the required statistics;
screening out the needed gear shifting target variable information in the gear shifting period to serve as gear shifting information;
judging whether a gear entering process recorded by the gear entering information has a breakpoint, and if the gear entering process has the breakpoint, taking the part between the starting point of the gear entering process and the breakpoint as the gear entering process;
judging whether the gear shifting action in the gear shifting process exceeds a preset amplitude value, and if so, recording the required gear shifting target variable information as the gear shifting variable information.
Optionally, the determining shift jamming information according to shift fork action information in the shift variable information includes:
judging whether a gear shifting jamming condition exists in a gear shifting process recorded by the gear shifting fork action information, and if the gear shifting jamming condition exists, recording the jamming gear conversion total frequency and the jamming gear conversion time stamp according to the gear shifting jamming condition to serve as the gear shifting jamming information.
Optionally, the shift jamming condition includes a first type of shift jamming, the first type of shift jamming includes: in the gear-shifting period, the gear-shifting fork has forward motion, and the motion amplitude values are smaller than the preset motion amplitude values in the preset statistical period.
Optionally, the shift jamming condition includes a second type of shift jamming, the second type of shift jamming includes: judging the gear entering position;
if the gear entering gear is an odd gear, the gear shifting position data is increased in the gradually decreasing process;
if the gear is an even gear, the shift position data decreases in the course of the gradual increase.
Optionally, the counting the shift variable information and the shift jamming information includes:
performing de-duplication treatment on the gear shift variable information, and counting the de-duplicated gear shift variable information;
performing duplication elimination treatment on the shift jamming information, and counting the shift jamming information after duplication elimination;
and outputting the counted gear shifting variable information and the gear shifting clamping stagnation information.
In a second aspect, an embodiment of the present invention further provides a gear shift information statistics apparatus, including:
the data acquisition module is used for acquiring gearbox data and acquiring target variable information according to the gearbox data;
the data analysis module is used for analyzing the target variable information to obtain gear shift variable information;
the gear shifting clamping stagnation information determining module is used for determining gear shifting clamping stagnation information according to gear shifting fork action information in the gear shifting variable information;
and the statistics module is used for counting the gear shifting variable information and the gear shifting clamping stagnation information.
In a third aspect, an embodiment of the present invention further provides a vehicle, where the automatic gearbox in the vehicle is counted by using the gear shift information counting device.
The gear shifting information statistical method comprises the steps of obtaining gearbox data and obtaining target variable information according to the gearbox data; analyzing the target variable information to obtain gear shift variable information; determining shift clamping stagnation information according to shift fork action information in the shift variable information; and counting shift variable information and shift jamming information. According to the embodiment of the invention, the gear shifting variable information and the gear shifting clamping stagnation information are counted by acquiring and processing the data of the gearbox. The automatic degree of gear shifting information statistics is improved, the labor consumption is reduced, the statistical speed is improved, and further the gear shifting information statistics efficiency is improved.
Drawings
Fig. 1 is a flowchart of a gear shift information statistics method provided in an embodiment of the present invention;
fig. 2 is a flowchart of a method for obtaining shift variable information according to an embodiment of the present invention;
FIG. 3 is a flowchart of a method for determining shift jamming information according to an embodiment of the present invention;
FIG. 4 is a flowchart of an information statistics method according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a gear shifting information statistics device according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
Fig. 1 is a flowchart of a gear shift information statistics method provided in an embodiment of the present invention, referring to fig. 1. The embodiment of the invention provides a gear shifting information statistical method, which comprises the following steps:
s1: and acquiring gearbox data, and obtaining target variable information according to the gearbox data.
The gearbox data are obtained by monitoring the running process of the gearbox, and the action process of the gearbox is recorded. Typically gearbox data may contain hundreds of variable information, such as the motion profile of gearbox shift forks, etc. In this embodiment, statistics can be completed only by partial information. Useful target variable information can be extracted from the gearbox data. Optionally, the target variable information includes current gear information, target gear information, upshift progress information, downshift information, and shift position information. The gear shifting information can be counted only by acquiring current gear information, target gear information, upshift progress information, downshift information and gear shifting position information.
S2: and analyzing the target variable information to obtain the gear shift variable information.
The target variable information contains full-time information of the gearbox, so that the required gear-shifting variable information in the gear-shifting process needs to be obtained through analysis.
S3: and determining shift clamping stagnation information according to shift fork action information in the shift variable information.
The shift variable information in the shift process may be normal shift information recorded during smooth shift, or shift jamming information recorded during jamming shift, so that the shift jamming information needs to be screened out through identification.
S4: and counting shift variable information and shift jamming information.
The obtained gear shifting variable information recorded with smooth gear shifting and jamming gear shifting and the gear shifting jamming information recorded with jamming gear shifting only can be processed and counted to obtain counted gear shifting information.
According to the embodiment of the invention, the gear shifting variable information and the gear shifting clamping stagnation information are counted by acquiring and processing the data of the gearbox. The automatic degree of gear shifting information statistics is improved, the labor consumption is reduced, the statistical speed is improved, and further the gear shifting information statistics efficiency is improved.
In other embodiments, after acquiring the gearbox data and obtaining the target variable information according to the gearbox data, the method further comprises:
s1.1: and arranging the target variable information according to a preset list format, and storing according to a preset storage code.
The target variable information is arranged according to a preset list format, and the target variable information is stored according to a preset storage code, so that program operation failure caused by data sources with different coding formats can be prevented when the data sources are more. The likelihood of successful execution of subsequent steps is increased.
In performing the actual operation, it may be performed according to the following steps.
S1.11: and converting the format and the form of the extracted target variable information to convert the target variable information into a list format, wherein the row index of the list is a timestamp, and the column index of the list is a variable name.
The time stamp is data generated by using a digital signature technology, and the signed object comprises information such as original file information, signature parameters, signature time and the like. The time stamping system is used for generating and managing time stamps, and digital signature is carried out on the signature object to generate the time stamps so as to prove that the original file exists before the signature time.
S1.12: setting a return value variable of the query function as the total frequency of each gear shift, and a specific gear shift time stamp;
the total frequency of each gear shift is included in the shift variable information, the total frequency of each gear shift is included in the shift jamming information, and the specific gear shift jamming time stamp is a time stamp digital signature when the shift jamming occurs.
S1.13: unifying the data storage coding format;
the data which does not accord with the standard data storage coding format can be converted into the standard data storage coding format, and the standard data storage coding format can be determined according to actual needs.
In other embodiments, analyzing the target variable information to obtain shift variable information includes:
screening out target variable information in a gear shifting period to serve as gear shifting target variable information;
screening out the required gear shifting target variable information in the gear shifting target variable information according to the gear of the required statistics;
screening out the variable information of the required gear shifting target in the gear shifting period to serve as gear shifting information;
judging whether a gear entering process recorded by the gear entering information has a breakpoint, and if the gear entering process has the breakpoint, taking the part between the starting point of the gear entering process and the breakpoint as the gear entering process; if the breakpoint is not found, the whole process is used as a gear entering process.
Judging whether a gear entering action in a gear entering process exceeds a preset amplitude value, and if the gear entering action exceeds the preset amplitude value, recording the needed gear shifting target variable information as gear shifting variable information. If the preset amplitude value is not exceeded, the gear shifting action is not recorded.
The preset amplitude can be determined according to actual needs. And obtaining the gear-shifting variable information in the gear-shifting process through screening, judging and other operations.
Fig. 2 is a flowchart of a method for obtaining shift variable information according to an embodiment of the present invention, see fig. 2. In performing the actual operation, it may be performed according to the following steps.
S21: starting to traverse the data, if the traversal is finished, executing the step S41, and if the traversal is not finished, executing the step S22;
the end of the traversal means that all data are detected, and if not, the step of detecting is continued until all data are detected.
S22: screening out data in a gear shifting period, and executing step S23 if the current gear is not equal to the target gear; if the current gear is equal to the target gear, executing step S21;
the data in the gear shifting period may include information such as current gear information, target gear information, upshift progress information, downshift information, and gear shifting position information.
S23: screening gears to be counted through regular expressions;
the regular expression is a logic formula for operating the character string, namely, a "regular character string" is formed by a plurality of specific characters defined in advance and a combination of the specific characters, and the "regular character string" is used for expressing a filtering logic for the character string.
S24: screening out data of the AMT in a gear entering period, and executing step S25 if the gear shifting process is in a gear entering state; if the gear shifting process is not in the gear shifting state, executing step S21;
the present data may be obtained by analyzing the data to determine whether the present data is recorded with a shift-in operation, and if the present data is recorded with a shift-in operation, the present data is determined to be in a shift-in state.
S25: judging continuity of the gear-in data, if a break point exists in the process, shortening the gear-in process to a position between a start point and the break point;
the breakpoint judging standard may be that a point between two adjacent points is larger than 2 times of the sampling period of the gearbox data, and the point is taken as a breakpoint.
S26: judging whether the shifting fork acts within the time of the next gear entering process, if the shifting fork acts, and if the change amplitude of the shifting position exceeds the preset amplitude, executing the step S27; if the action amplitude of the shifting fork does not exceed the preset amplitude, executing step S21;
the preset amplitude can be determined according to actual needs. For example, the preset amplitude may be 1mm.
S27: recording the current gear conversion information in the total frequency variable of each gear conversion;
in other embodiments, determining shift jamming information from shift fork motion information in the shift variable information includes:
judging whether a gear shifting jamming condition exists in a gear shifting process recorded by the gear shifting fork action information, and if the gear shifting jamming condition exists, recording the jamming gear conversion total frequency and the jamming gear conversion time stamp according to the gear shifting jamming condition to serve as the gear shifting jamming information.
Further, the shift jamming condition includes a first type of shift jamming, the first type of shift jamming including: in the gear-shifting period, the gear-shifting fork has forward motion, and the motion amplitude values are smaller than the preset motion amplitude values in the preset statistical period.
Wherein, the preset statistical period and the preset action amplitude can be determined according to actual needs. The preset statistical period may be a collection period of gearbox data, and the preset motion amplitude may be an absolute value of a difference between two consecutive motion positions.
Fig. 3 is a flowchart of a method for determining shift clamping stagnation information according to an embodiment of the present invention, see fig. 3. In actual implementation, the following operations may be performed:
s31: judging whether the current gear shift variable information records a first class of gear shift clamping stagnation, if so, executing a step S33, and if not, executing a step S21;
further, the gear shifting jamming condition comprises a second gear shifting jamming, and when the gear shifting jamming condition is actually implemented, whether the second gear shifting jamming is recorded in the current gear shifting variable information can be judged through the following operation:
s321: judging the gear entering position;
s322: if the gear is in odd gear, the shift position data is increased in the gradually decreasing process. S33 is performed, otherwise step S21 is performed;
s323: if the gear is in even gear, the shift position data decreases in the course of the gradual increase. Step S33 is performed, otherwise step S21 is performed;
according to the method, whether the shift fork is blocked and the shift fork position rebound phenomenon occurs during the gear entering process can be identified, so that whether the second type of shift clamping stagnation exists is judged.
S33: recording the current gear shift clamping stagnation conditions in a gear shift variable information variable and a gear shift clamping stagnation information variable with a specific gear shift time stamp respectively;
fig. 4 is a flowchart of an information statistics method provided in an embodiment of the present invention, see fig. 4. In other embodiments, the statistical shift variable information and shift jamming information includes:
s41: performing de-duplication treatment on the gear shift variable information, and counting the de-duplicated gear shift variable information;
the duplicate data may be deleted, and only one shift variable information is reserved. The shift variable information may be gearbox data recorded for all shift periods.
S42: performing duplication elimination treatment on the shift jamming information, and counting the duplicated shift jamming information;
the duplicate data may be deleted, and only one shift jamming information is reserved. The shift stuck information may be gearbox data recorded only when the shift is stuck.
S43: and outputting the counted shift variable information and shift jamming information.
The gear shifting variable information and the gear shifting clamping stagnation information can be independently counted for each required gear shifting position, and a counting result is output.
Fig. 5 is a schematic structural diagram of a gear shifting information statistics device provided by an embodiment of the present invention, see fig. 5. The embodiment of the invention also provides a gear shifting information statistical device, which comprises:
the data acquisition module 1 is used for acquiring gearbox data and acquiring target variable information according to the gearbox data;
the data analysis module 2 is used for analyzing the target variable information to obtain gear shift variable information;
the gear shifting clamping stagnation information determining module 3 is used for determining gear shifting clamping stagnation information according to gear shifting fork action information in the gear shifting variable information;
and the statistics module 4 is used for counting the gear shifting variable information and the gear shifting clamping stagnation information.
The gear shifting information statistical device provided by the embodiment of the invention comprises the gear shifting information statistical method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the gear shifting information statistical method.
The embodiment of the invention also provides a vehicle, which carries out gear shifting information statistics on the automatic gearbox in the vehicle through the gear shifting information statistics device.
The vehicle provided by the embodiment of the invention uses the gear shifting information statistical device provided by any embodiment of the invention to count the automatic gearbox in the vehicle, and has the corresponding functional modules and beneficial effects of the gear shifting information statistical device.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements, combinations, and substitutions can be made by those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (8)
1. A shift information statistical method, comprising:
acquiring gearbox data, and obtaining target variable information according to the gearbox data;
analyzing the target variable information to obtain gear shift variable information;
determining shift clamping stagnation information according to shift fork action information in the shift variable information;
counting the gear shifting variable information and the gear shifting clamping stagnation information;
the target variable information comprises current gear information, target gear information, upshift progress information, downshift information and gear shifting position information;
the analyzing the target variable information to obtain gear shift variable information includes:
screening out the target variable information in the gear shifting period to serve as gear shifting target variable information;
screening out the required gear shifting target variable information in the gear shifting target variable information according to the gear of the required statistics;
screening out the needed gear shifting target variable information in the gear shifting period to serve as gear shifting information;
judging whether a gear entering process recorded by the gear entering information has a breakpoint, and if the gear entering process has the breakpoint, taking the part between the starting point of the gear entering process and the breakpoint as the gear entering process;
judging whether the gear shifting action in the gear shifting process exceeds a preset amplitude value, and if so, recording the required gear shifting target variable information as the gear shifting variable information.
2. The shift information statistical method according to claim 1, characterized by further comprising, after the acquiring of the transmission data, obtaining target variable information from the transmission data:
and arranging the target variable information according to a preset list format, and storing according to a preset storage code.
3. The method according to claim 1, wherein determining shift jamming information according to shift fork motion information in the shift variable information comprises:
judging whether a gear shifting jamming condition exists in a gear shifting process recorded by the gear shifting fork action information, and if the gear shifting jamming condition exists, recording the jamming gear conversion total frequency and the jamming gear conversion time stamp according to the gear shifting jamming condition to serve as the gear shifting jamming information.
4. A shift information statistical method as claimed in claim 3, wherein the shift jamming condition comprises a first type of shift jamming, the first type of shift jamming comprising: in the gear-shifting period, the gear-shifting fork has forward motion, and the motion amplitude values are smaller than the preset motion amplitude values in the preset statistical period.
5. A shift information statistical method as claimed in claim 3, wherein the shift jamming condition comprises a second type of shift jamming, the second type of shift jamming comprising: judging the gear entering position;
if the gear entering gear is an odd gear, the gear shifting position data is increased in the gradually decreasing process;
if the gear is an even gear, the shift position data decreases in the course of the gradual increase.
6. The shift information statistical method according to claim 1, wherein the counting of the shift variable information and the shift jamming information includes:
performing de-duplication treatment on the gear shift variable information, and counting the de-duplicated gear shift variable information;
performing duplication elimination treatment on the shift jamming information, and counting the shift jamming information after duplication elimination;
and outputting the counted gear shifting variable information and the gear shifting clamping stagnation information.
7. A shift information statistical device, characterized by comprising:
the data acquisition module is used for acquiring gearbox data and acquiring target variable information according to the gearbox data;
the data analysis module is used for analyzing the target variable information to obtain gear shift variable information;
the gear shifting clamping stagnation information determining module is used for determining gear shifting clamping stagnation information according to gear shifting fork action information in the gear shifting variable information;
the statistics module is used for counting the gear shifting variable information and the gear shifting clamping stagnation information;
the target variable information comprises current gear information, target gear information, upshift progress information, downshift information and gear shifting position information;
the analyzing the target variable information to obtain gear shift variable information includes:
screening out the target variable information in the gear shifting period to serve as gear shifting target variable information;
screening out the required gear shifting target variable information in the gear shifting target variable information according to the gear of the required statistics;
screening out the needed gear shifting target variable information in the gear shifting period to serve as gear shifting information;
judging whether a gear entering process recorded by the gear entering information has a breakpoint, and if the gear entering process has the breakpoint, taking the part between the starting point of the gear entering process and the breakpoint as the gear entering process;
judging whether the gear shifting action in the gear shifting process exceeds a preset amplitude value, and if so, recording the required gear shifting target variable information as the gear shifting variable information.
8. A vehicle characterized in that shift information statistics is performed on an automatic transmission in the vehicle by the shift information statistics device of claim 7.
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| CN202210392171.8A CN114704639B (en) | 2022-04-14 | 2022-04-14 | Gear shifting information statistics method and device and vehicle |
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