CN113374860B - Gearbox gear identification method and device, storage medium and equipment - Google Patents

Gearbox gear identification method and device, storage medium and equipment Download PDF

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Publication number
CN113374860B
CN113374860B CN202110818295.3A CN202110818295A CN113374860B CN 113374860 B CN113374860 B CN 113374860B CN 202110818295 A CN202110818295 A CN 202110818295A CN 113374860 B CN113374860 B CN 113374860B
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gear
gears
gearbox
detected
failure
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CN113374860A (en
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连凤霞
邓金涛
姜良超
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Weichai Power Co Ltd
Weifang Weichai Power Technology Co Ltd
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Weichai Power Co Ltd
Weifang Weichai Power Technology Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/12Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/18Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H61/00Control 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
    • F16H61/12Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1208Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures

Abstract

The application discloses a gearbox gear identification method, a gearbox gear identification device, a storage medium and equipment, which are used for acquiring position signals of four operating levers acquired by a preset sensor and acquiring the current gear of a gearbox in a gear state, wherein the position signals are used for indicating the position of the operating levers. And for each operating lever, if the position of the operating lever is detected not to be in the preset position range, determining that the operating lever cannot respond to the required position according to a preset target, and identifying the operating lever failure. In the event that failure of the three levers is detected, it is determined that all gears of the gearbox are failed. And under the condition that the n operating levers are detected to be out of order, obtaining the normal gear and the failure gear of the gearbox according to the current gear of the gearbox and the incidence relation between the out-of-order operating lever and the gear of the gearbox. By the method, the normal gear and the failure gear of the gearbox can be effectively identified, so that the vehicle control unit is assisted to replace the normal gear, and the safety of passengers is guaranteed.

Description

Gearbox gear identification method and device, storage medium and equipment
Technical Field
The application relates to the field of gearboxes, in particular to a gearbox gear identification method, a gearbox gear identification device, a storage medium and equipment.
Background
An automatic Transmission (AMT) belongs to one of the gearboxes commonly used for vehicles, and the driving gear of the vehicle provided with the AMT is controlled by a vehicle control unit without human participation. During driving, some gears in the transmission are affected by various factors and cannot be used, so that the gears become failure gears.
However, the vehicle control unit cannot sense the failure gear. Therefore, during gear replacement, the vehicle control unit may control the transmission to replace a gear to a failed gear (i.e., an unavailable gear), thereby bringing potential safety hazards to passengers.
Therefore, how to identify the normal gear (namely, the available gear) and the failed gear of the gearbox becomes a problem which needs to be solved in the field.
Disclosure of Invention
The application provides a method, a device, a storage medium and equipment for identifying gears of a gearbox, and aims to effectively identify normal gears and failure gears of the gearbox.
In order to achieve the above object, the present application provides the following technical solutions:
a transmission gear identification method comprising:
acquiring position signals of four operating levers acquired by a preset sensor, and acquiring a current gear of a gearbox in a gear state; the position signal is indicative of a position of the joystick;
for each operating lever, if the position of the operating lever is detected not to be within a preset position range, determining that the operating lever cannot respond to the demand position according to a preset target, and identifying that the operating lever is out of order;
in the event that failure of three of the levers is detected, determining that all gears of the gearbox are disabled;
under the condition that the n operating levers are detected to be out of order, obtaining a normal gear and a failure gear of the gearbox according to the current gear of the gearbox and the incidence relation between the out-of-order operating lever and the gear of the gearbox; n is a positive integer less than 3.
Optionally, the obtaining a current gear of the transmission in a gear state includes:
acquiring the rotating speed of an output shaft and the rotating speed of an input shaft of a gearbox, and calculating the ratio of the rotating speed of the output shaft to the rotating speed of the input shaft to obtain the actual rotating speed ratio of the current gear of the gearbox;
acquiring a standard speed ratio of the current gear, and calculating a difference value between the actual speed ratio and the standard speed ratio;
and under the condition that the absolute value of the difference value is smaller than a preset threshold value, determining that the gearbox is in a gear state, and reading the current gear of the gearbox.
Optionally, the four joysticks comprise: a main box gear selecting lever, a main box gear shifting lever, a range gear shifting lever and an inserting gear shifting lever;
the gearbox gear comprises: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, R1 and R2;
obtaining a normal gear and a failure gear of the gearbox according to the current gear of the gearbox and the incidence relation between the failed operating lever and the gear of the gearbox, and the method comprises the following steps:
under the condition that the main box gear selection rod and the main box gear shift rod are detected to be out of order and the current gear of the gearbox is the 1 gear or the 7 gear, determining the 1 gear and the 7 gear as the normal gear of the gearbox, and determining the rest gears as the failure gears of the gearbox;
in the case where it is detected that both the main tank select lever and the main tank shift lever are malfunctioning and the current gear is the R1 gear or the R2 gear, it is determined that the R1 gear and the R2 gear are the normal gears and the remaining gears are the failed gears.
Optionally, the method further includes:
under the condition that the main box gear selection rod and the range gear shift rod are detected to be out of order and the current gear is the 1 gear, determining the 1 gear, the 2 gear and the R1 gear to be the normal gear and the rest gears to be the failure gears;
and under the condition that the main box gear selection lever and the range gear shift lever are both detected to be out of order and the current gear is the R1 gear, determining that the R1 gear is the normal gear and the rest gears are the failure gears.
Optionally, the method further includes:
when the situation that the main box gear selection rod and the plug-in gear shift rod are both detected to be out of order and the current gear is any one of the 1 st gear, the 2 nd gear, the 7 th gear and the 8 th gear is detected, determining that the 1 st gear, the 2 nd gear, the 7 th gear and the 8 th gear are the normal gear and the rest gears are the failure gears;
and under the condition that the main box shift lever and the range shift lever are detected to be out of order, and the current gear is the R1 gear, determining that the R1 gear is the normal gear and the rest gears are the failure gears.
Optionally, the method further includes:
determining that the 1 st gear, the 3 rd gear, the 5 th gear, the 7 th gear, the 9 th gear and the 11 th gear are the normal gears and the rest of the gears are the failure gears in the case that both the main box shift lever and the shift-in/shift-out shift lever are detected to be failed and the current gear is any one of the 1 st gear, the 3 rd gear, the 5 th gear, the 7 th gear, the 9 th gear and the 11 th gear;
and in the case that the main box shift lever and the plug-shift lever are detected to be out of order and the current gear is the R1 gear or the R2 gear, determining that the R1 gear and the R2 gear are the normal gears and the rest gears are the failure gears.
Optionally, the method further includes:
when the main box gear selection rod is detected to be out of order and the current gear is any one of the 1 st gear, the 2 nd gear, the 7 th gear and the 8 th gear, determining that the 1 st gear, the 2 nd gear, the 7 th gear and the 8 th gear are the normal gears and the rest gears are the failure gears;
under the condition that the range gear shift lever is detected to be out of order, and the current gear is in any one of the 1 st gear, the 2 nd gear, the 3 rd gear, the 4 th gear, the 5 th gear and the 6 th gear, the 1 st gear, the 2 nd gear, the 3 rd gear, the 4 th gear, the 5 th gear and the 6 th gear are determined to be in the normal gear, and the rest gears are in the failure gear.
A transmission gear identification device comprising:
the acquisition unit is used for acquiring position signals of the four operating levers acquired by a preset sensor and acquiring the current gear of the gearbox in a gear state; the position signal is indicative of a position of the joystick;
the identification unit is used for identifying that the operating lever fails to respond to the required position according to a preset target if the position of the operating lever is detected not to be within a preset position range for each operating lever;
a first identification unit for determining that all gears of the gearbox are disabled in case three of the levers are detected as malfunctioning;
the second identification unit is used for acquiring a normal gear and a failure gear of the gearbox according to the current gear of the gearbox and the incidence relation between the failed operating lever and the gear of the gearbox under the condition that the n operating levers are detected to be failed; n is a positive integer less than 3.
A computer-readable storage medium comprising a stored program, wherein the program executes the transmission gear identification method.
A gearbox gear identification device comprising: a processor, a memory, and a bus; the processor and the memory are connected through the bus;
the memory is used for storing a program and the processor is used for running the program, wherein the program is used for executing the gearbox gear identification method during running.
According to the technical scheme, the position signals of the four operating levers collected by the preset sensors are obtained, the current gear of the gearbox in the gear state is obtained, and the position signals are used for indicating the positions of the operating levers. And for each operating lever, if the position of the operating lever is detected not to be in the preset position range, determining that the operating lever cannot respond to the required position according to a preset target, and identifying that the operating lever is out of order. In the event that a failure of the three levers is detected, it is determined that all gears of the gearbox are disabled. And under the condition that the n operating levers are detected to be out of order, obtaining the normal gear and the failure gear of the gearbox according to the current gear of the gearbox and the incidence relation between the out-of-order operating lever and the gear of the gearbox. By the method, whether the operating levers are out of order or not is judged according to the position signals of the operating levers, and the normal gears and the failure gears of the gearbox are identified according to the current gears of the gearbox and the incidence relation between the out-of-order operating levers and the gears of the gearbox under the condition that the operating levers are out of order, so that the whole vehicle controller is assisted to replace the normal gears, and the safety of passengers is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a transmission structure of a transmission according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a method for identifying a transmission gear according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a transmission gear identification device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
It should be noted that the AMT gearbox mentioned in the present application has a transmission gear formed by combining three transmission portions, i.e., an insertion gear, a main box transmission gear and a range gear. The range gear is used for selecting a high-speed gear and a low-speed gear, the range gear and the main box transmission gear are combined to realize the transmission of 1-6 gears and 7-12 gears respectively, the range gear and the range gear are matched to realize the transmission of two reverse gears (namely R1 gears and R2 gears), and the distribution positions of the gears are shown in figure 1, so that the gear transmission is in common knowledge in the industry.
As can be seen from fig. 1, the selection of the shift-in/shift is realized by a shift-in/shift lever, the selection of the main box transmission is realized by a main box shift lever and a main box shift lever, and the selection of the range gear is realized by a range gear shift lever. The combined operation of the shift lever, the main box shift lever and the range shift lever realizes the switching of 14 gears in total of a low-speed forward gear (namely 1 gear to 6 gears), a high-speed forward gear (namely 7 gear to 12 gears), a low-speed reverse gear (namely R1 gears) and a high-speed reverse gear (namely R2 gears), and also belongs to the common recognition of the industry.
The position signals of four control levers (namely a shift lever, a main box shift lever and a range lever) are collected through a sensor preset on a gearbox, and the position of each control lever is determined based on the position signals.
Generally, 6 signal acquisition points may be provided for the shift-in, main case, and range shift levers, as shown by the horizontal dashed lines in FIG. 1. For the main box selector lever, 2 signal acquisition points can be provided, as indicated by the vertical dashed lines in fig. 1.
As shown in fig. 2, a schematic diagram of a method for identifying a gear position of a transmission provided by an embodiment of the present application includes the following steps:
s201: the method comprises the steps of obtaining position signals of four operating levers, collected by a preset sensor, and obtaining a current gear of the gearbox in a gear state.
Wherein the position signal is indicative of a position of the joystick.
In the present embodiment, the four joysticks include: a main box gear selecting rod, a main box gear shifting rod, a range gear shifting rod and an inserting gear shifting rod.
It should be noted that, a specific process for acquiring the current gear of the transmission in the gear state includes the following steps:
1. and acquiring the rotating speed of an output shaft and the rotating speed of an input shaft of the gearbox, and calculating the ratio of the rotating speed of the output shaft to the rotating speed of the input shaft to obtain the actual rotating speed ratio of the current gear.
It should be noted that the rotation speed of the output shaft and the rotation speed of the input shaft of the transmission can be acquired in real time by preset sensors.
2. And acquiring a standard rotating speed ratio of the current gear, and calculating a difference value between the actual rotating speed ratio and the standard rotating speed ratio.
Generally speaking, each gear of the AMT gear box has a corresponding standard rotation speed ratio, and the standard rotation speed ratios corresponding to different gears are preset by the gear box manufacturer.
3. And under the condition that the absolute value of the difference is smaller than a preset threshold value, determining that the gearbox is in a gear state, and reading the current gear of the gearbox.
S202: and for each operating lever, if the position of the operating lever is detected not to be in the preset position range, determining that the operating lever cannot respond to the required position according to a preset target, and identifying the operating lever failure.
S203: in the event that failure of the three levers is detected, it is determined that all gears of the gearbox are failed.
S204: and under the condition that the n operating levers are detected to be out of order, obtaining the normal gear and the failure gear of the gearbox according to the current gear of the gearbox and the incidence relation between the out-of-order operating lever and the gear of the gearbox.
Wherein n is a positive integer less than 3, the gearbox gear comprises: 1 st, 2 nd, 3 rd, 4 th, 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th, 12 th, R1 th and R2 th.
Alternatively to this, the first and second parts may,
and under the condition that the main box gear selection rod and the main box gear shift rod are detected to be out of order and the current gear is 1 gear or 7 gear, determining that the 1 gear and the 7 gear are normal gears and the rest gears are failure gears.
And under the conditions that the main box gear selection rod and the main box gear shift rod are detected to be out of order and the current gear is 2 gear or 8 gear, determining that the 2 gear and the 8 gear are normal gears and the rest gears are failure gears.
And under the condition that the main box gear selecting rod and the main box gear shifting rod are detected to be out of order and the current gear is 3 or 9, determining that the 3 and 9 gears are normal gears and the rest gears are failure gears.
And under the condition that the main box gear selection rod and the main box gear shift rod are detected to be out of order and the current gear is 4 gear or 10 gear, determining that the 4 gear and the 10 gear are normal gears and the rest gears are failure gears.
And under the condition that the main box gear selecting rod and the main box gear shifting rod are detected to be out of order and the current gear is 5 gear or 11 gear, determining that the 5 gear and the 11 gear are normal gears and the rest gears are failure gears.
And under the condition that the main box gear selection rod and the main box gear shift rod are detected to be out of order and the current gear is 6 th gear or 12 th gear, determining that the 6 th gear and the 12 th gear are normal gears and the rest gears are failure gears.
In the case where it is detected that both the main box select lever and the main box shift lever are malfunctioning and the current gear is the R1 gear or the R2 gear, it is determined that the R1 gear and the R2 gear are normal gears and the remaining gears are failed gears.
Alternatively to this, the first and second parts may,
under the condition that the main box gear selecting rod and the range gear shifting rod are detected to be out of order and the current gear is the 1 st gear, the 2 nd gear and the R1 th gear are determined to be normal gears, and the rest gears are failure gears.
Under the condition that the main box gear selection rod and the range gear shift rod are detected to be out of order and the current gear is the 2 gear, the 1 gear, the 2 gear and the R2 gear are determined to be normal gears, and the rest gears are determined to be failure gears.
Under the condition that the main box gear selecting rod and the range gear shifting rod are detected to be out of order and the current gear is the 3 gear, the 4 gear and the R1 gear are determined to be normal gears, and the rest gears are failure gears.
Under the condition that the main box gear selecting rod and the range gear shifting rod are detected to be out of order and the current gear is the 4 gear, the 3 gear, the 4 gear and the R2 gear are determined to be normal gears, and the rest gears are determined to be failure gears.
Under the condition that the main box gear selecting rod and the range gear shifting rod are detected to be out of order and the current gear is 5 gears, 6 gears and R1 gears are determined to be normal gears, and the rest gears are failure gears.
Under the condition that the main box gear selecting rod and the range gear shifting rod are detected to be out of order and the current gear is the 6 gear, the 5 gear, the 6 gear and the R2 gear are determined to be normal gears, and the rest gears are determined to be failure gears.
Under the condition that the main box gear selecting rod and the range gear shifting rod are detected to be out of order and the current gear is the 7 gear, the 8 gear and the R1 gear are determined to be normal gears, and the rest gears are failure gears.
And under the condition that the main box gear selection rod and the range gear shift rod are detected to be out of order and the current gear is the 8 gear, determining the 7 gear, the 8 gear and the R2 gear as normal gears and determining the rest gears as failure gears.
In the case where it is detected that both the main box select lever and the range shift lever are malfunctioning and the current gear is 9, it is determined that 9, 10, and R1 gears are normal gears, and the remaining gears are failed gears.
In the case where it is detected that both the main box select lever and the range shift lever are malfunctioning and the current gear is 10, it is determined that 9 th, 10 th and R2 th gears are normal gears and the remaining gears are failed gears.
In the case where it is detected that both the main box select lever and the range shift lever are malfunctioning and the current gear is 11, 12, and R1 gears are determined to be normal gears, and the remaining gears are failed gears.
In the case where it is detected that both the main box select lever and the range shift lever are malfunctioning and the current gear is the 12 th gear, the 11 th, 12 th and R2 th gears are determined to be normal gears, and the remaining gears are determined to be failed gears.
And under the condition that the main box gear selection lever and the range gear shift lever are detected to be out of order and the current gear is the R1 gear, determining that the R1 gear is a normal gear and the rest gears are failed gears.
And under the condition that the main box gear selection lever and the range gear shift lever are detected to be out of order and the current gear is the R2 gear, determining that the R2 gear is a normal gear and the rest gears are failed gears.
Alternatively to this, the first and second parts may,
and under the condition that the main box gear selection rod and the inserted gear shift rod are both detected to be out of order and the current gear is any one of the gears 1, 2, 7 and 8, determining the gears 1, 2, 7 and 8 as normal gears and determining the rest gears as failure gears.
And under the condition that the main box gear selection rod and the inserted gear shift rod are both detected to be out of order and the current gear is any one of 3, 4, 9 and 10, determining that the 3, 4, 9 and 10 gears are normal gears and the rest gears are failure gears.
And under the condition that the main box gear selection rod and the inserted gear shift rod are detected to be out of order and the current gear is any one of 5 th gear, 6 th gear, 11 th gear and 12 th gear, determining that the 5 th gear, the 6 th gear, the 11 th gear and the 12 th gear are normal gears and the rest gears are failure gears.
And under the condition that the main box gear selection rod and the inserted gear shift rod are detected to be out of order, and the current gear is the R1 gear or the R2 gear, the R1 gear and the R2 gear are determined to be normal gears, and the rest gears are failure gears.
Alternatively to this, the first and second parts may,
and under the condition that the main box shift lever and the range shift lever are detected to be out of order and the current gear is any one of the gears 1, 3 and 5, determining the gears 1, 3 and 5 as normal gears and the rest gears as failure gears.
And under the condition that the main box shift lever and the range shift lever are detected to be out of order and the current gear is any one of 2, 4 and 6, determining that the 2, 4 and 6 gears are normal gears and the rest gears are failure gears.
In the case where it is detected that both the main and range shift levers are malfunctioning and the current gear is any one of 7, 9 and 11, it is determined that 7, 9 and 11 are normal gears and the remaining gears are failed gears.
And in the case that the main box shift lever and the range shift lever are detected to be failed, and the current gear is any one of 8, 10 and 12, determining that the 8, 10 and 12 gears are normal gears, and the rest gears are failure gears.
In the case where it is detected that both the main box shift lever and the range shift lever are malfunctioning and the current gear is the R1 gear, it is determined that the R1 gear is the normal gear and the remaining gears are the failed gears.
In the case where it is detected that both the main box shift lever and the range shift lever are malfunctioning and the current gear is the R2 gear, it is determined that the R2 gear is the normal gear and the remaining gears are the failed gears.
In the alternative,
and under the condition that the main box shift lever and the shift-in/shift-out shift lever are detected to be failed, and the current gear is any one of 1 gear, 3 gear, 5 gear, 7 gear, 9 gear and 11 gear, determining the 1 gear, 3 gear, 5 gear, 7 gear, 9 gear and 11 gear as normal gears, and determining the rest gears as failure gears.
And under the condition that the main box shift lever and the shift-in/shift-out shift lever are detected to be out of order, and the current gear is any one of 2, 4, 6, 8, 10 and 12, determining the 2, 4, 6, 8, 10 and 12 as normal gears, and determining the rest gears as failure gears.
In the case where it is detected that both the main box shift lever and the shift-in shift lever are malfunctioning and the current gear is the R1 gear or the R2 gear, it is determined that the R1 gear and the R2 gear are normal gears and the remaining gears are failed gears.
Alternatively to this, the first and second parts may,
and under the condition that the range gear shift lever and the shift-in/shift-out shift lever are detected to be failed, and the current gear is any one of the gears 1, 2, 3, 4, 5 and 6, determining the gears 1, 2, 3, 4, 5 and 6 as normal gears, and determining the rest gears as failure gears.
And in the case that the failure of both the range gear shift lever and the gear shift lever is detected, and the current gear is any one of 7, 8, 9, 10, 11 and 12, determining the 7, 8, 9, 10, 11 and 12 gears as normal gears, and determining the rest gears as failure gears.
And under the condition that the range gear shift lever and the shift-in gear shift lever are detected to be out of order, and the current gear is the R1 gear, determining that the R1 gear is a normal gear and the rest gears are failure gears.
And under the condition that the range gear shift lever and the shift-in gear shift lever are detected to be out of order, and the current gear is the R2 gear, determining that the R2 gear is a normal gear and the rest gears are failure gears.
Alternatively to this, the first and second parts may,
and under the condition that the main box gear selecting rod is detected to be out of order and the current gear is any one of the gears 1, 2, 7 and 8, determining that the gears 1, 2, 7 and 8 are normal gears and the rest gears are failure gears.
And under the condition that the failure of the main box gear selection rod is detected and the current gear is any one of 3, 4, 9 and 10, determining that the 3, 4, 9 and 10 gears are normal gears and the rest gears are failure gears.
In the case where it is detected that the main box select lever is malfunctioning and the current gear is any one of 5 th, 6 th, 11 th and 12 th, it is determined that 5 th, 6 th, 11 th and 12 th are normal gears and the remaining gears are failed gears.
In the case where a failure of the main box select lever is detected and the current gear is the R1 gear or the R2 gear, it is determined that the R1 gear and the R2 gear are normal gears and the remaining gears are failed gears.
Alternatively to this, the first and second parts may,
in the case where a failure of the main box shift lever is detected and the current gear is any one of 1 st, 3 rd, 5 th, 7 th, 9 th and 11 th, it is determined that 1 st, 3 rd, 5 th, 7 th, 9 th and 11 th are normal gears and the remaining gears are failed gears.
In the case where a failure of the main box shift lever is detected and the current gear is any one of 2, 4, 6, 8, 10 and 12, it is determined that 2, 4, 6, 8, 10 and 12 are normal gears and the remaining gears are failed gears.
In the case where a failure of the main box shift lever is detected and the current gear is the R1 gear or the R2 gear, it is determined that the R1 gear and the R2 gear are normal gears and the remaining gears are failed gears.
Alternatively to this, the first and second parts may,
in the case where it is detected that the range shift lever is malfunctioning and the current gear is any one of 1 st, 2 nd, 3 rd, 4 th, 5 th, and 6 th, it is determined that the 1 st, 2 nd, 3 rd, 4 th, 5 th, and 6 th are normal gears and the remaining gears are failed gears.
In the case where it is detected that the range shift lever is malfunctioning and the current gear is any one of 7, 8, 9, 10, 11, and 12, it is determined that 7, 8, 9, 10, 11, and 12 are normal gears and the remaining gears are failed gears.
In the case where it is detected that the range shift lever is malfunctioning and the current gear is the R1 gear, it is determined that the 1 st, 2 nd, 3 rd, 4 th, 5 th, 6 th and R1 gears are normal gears and the remaining gears are failed gears.
In the case where a malfunction of the range shift lever is detected and the current gear is the R2 gear, it is determined that the 7-, 8-, 9-, 10-, 11-, 12-and R2-gears are normal gears, and the remaining gears are failed gears.
Alternatively to this, the first and second parts may,
in the case where a failure of the shift-into-range shift lever is detected and the current gear is any one of 1 st, 2 nd, 3 rd, 4 th, 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th and 12 th, it is determined that 1 st, 2 nd, 3 th, 4 th, 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th and 12 th are normal gears and the remaining gears are failed gears.
In the case where a malfunction of the shift-into-gear shift lever is detected and the current gear is the R1 gear or the R2 gear, it is determined that the R1 gear and the R2 gear are normal gears and the remaining gears are failed gears.
In summary, by using the method shown in this embodiment, it is determined whether the joystick is out of order according to the position signal of the joystick, and when it is detected that the plurality of joysticks are out of order, the normal gear and the failed gear of the transmission are identified according to the current gear of the transmission and the association relationship between the out-of-order joystick and the gear of the transmission, so as to assist the vehicle controller to change the normal gear, and ensure the safety of passengers.
Corresponding to the gearbox gear identification method provided by the embodiment of the application, the embodiment of the application also provides a gearbox gear identification device.
As shown in fig. 3, an architecture diagram of a transmission gear identification device provided for an embodiment of the present application includes:
the acquiring unit 100 is used for acquiring position signals of the four operating levers acquired by a preset sensor and acquiring a current gear of the gearbox in a gear state; the position signal is used to indicate the position of the joystick.
The process of acquiring the current gear of the transmission in the gear state by the acquiring unit 100 includes: acquiring the rotating speed of an output shaft and the rotating speed of an input shaft of the gearbox, and calculating the ratio of the rotating speed of the output shaft to the rotating speed of the input shaft to obtain the actual rotating speed ratio of the current gear of the gearbox; acquiring a standard speed ratio of a current gear, and calculating a difference value between an actual speed ratio and the standard speed ratio; and under the condition that the absolute value of the difference value is smaller than a preset threshold value, determining that the gearbox is in a gear state, and reading the current gear of the gearbox.
And the identification unit 200 is used for identifying that the joystick fails to respond to the required position according to the preset target and identifying that the joystick is out of order if the position of the joystick is detected not to be within the preset position range.
A first identification unit 300 for determining that all gears of the gearbox are disabled in case a failure of the three levers is detected.
The second identification unit 400 is configured to, when it is detected that the n levers are out of order, obtain a normal gear and a failed gear of the transmission according to a current gear of the transmission and an association relationship between the out-of-order lever and a gear of the transmission; n is a positive integer less than 3.
Wherein, four joysticks include: a main box gear selection lever, a main box gear shifting lever, a range gear shifting lever, and an insert gear shifting lever.
The gearbox gear comprises: 1 st, 2 nd, 3 rd, 4 th, 5 th, 6 th, 7 th, 8 th, 9 th, 10 th, 11 th, 12 th, R1 th and R2 th.
The second identification unit 400 is specifically configured to: under the condition that the main box gear selecting rod and the main box gear shifting rod are detected to be out of order and the current gear of the gearbox is 1 gear or 7 gear, determining that the 1 gear and the 7 gear are normal gears of the gearbox, and the rest gears are failure gears of the gearbox; and under the condition that the main box gear selection rod and the main box gear shifting rod are detected to be out of order, and the current gear is the R1 gear or the R2 gear, the R1 gear and the R2 gear are determined to be normal gears, and the rest gears are failed gears.
The second recognition unit 400 is further configured to: under the condition that the main box gear selection rod and the range gear shift rod are detected to be out of order and the current gear is the 1 gear, the 2 gear and the R1 gear are determined to be normal gears, and the rest gears are failure gears; and under the condition that the main box gear selection lever and the range gear shift lever are detected to be out of order and the current gear is the R1 gear, determining that the R1 gear is a normal gear and the rest gears are failed gears.
The second recognition unit 400 is further configured to: under the condition that the main box gear selection rod and the inserted gear shift rod are detected to be out of order and the current gear is any one of 1 gear, 2 gear, 7 gear and 8 gear, determining that the 1 gear, the 2 gear, the 7 gear and the 8 gear are normal gears and the rest gears are failure gears; in the case where it is detected that both the main box shift lever and the range shift lever are malfunctioning and the current gear is the R1 gear, it is determined that the R1 gear is the normal gear and the remaining gears are the failed gears.
The second recognition unit 400 is further configured to: under the condition that the main box gear shift lever and the inserting gear shift lever are detected to be out of order and the current gear is any one of the gears 1, 3, 5, 7, 9 and 11, determining the gears 1, 3, 5, 7, 9 and 11 as normal gears and the rest gears as failure gears; in the case where it is detected that both the main box shift lever and the shift-in shift lever are malfunctioning and the current gear is the R1 gear or the R2 gear, it is determined that the R1 gear and the R2 gear are normal gears and the remaining gears are failed gears.
The second recognition unit 400 is further configured to: when the situation that a gear selecting rod of a main box fails and the current gear is any one of 1 gear, 2 gear, 7 gear and 8 gear is detected, determining that the 1 gear, the 2 gear, the 7 gear and the 8 gear are normal gears and the rest gears are failure gears; in the case where it is detected that the range shift lever is malfunctioning and the current gear is any one of 1 st, 2 nd, 3 rd, 4 th, 5 th, and 6 th, it is determined that the 1 st, 2 nd, 3 rd, 4 th, 5 th, and 6 th are normal gears and the remaining gears are failed gears.
In summary, by using the method shown in this embodiment, it is determined whether the joystick is out of order according to the position signal of the joystick, and when it is detected that the plurality of joysticks are out of order, the normal gear and the failed gear of the transmission are identified according to the current gear of the transmission and the association relationship between the out-of-order joystick and the gear of the transmission, so as to assist the vehicle controller to change the normal gear, and ensure the safety of passengers.
The present application further provides a computer readable storage medium comprising a stored program, wherein the program performs the transmission gear identification method provided herein above.
The application also provides a gearbox gear identification device, including: a processor, a memory, and a bus. The processor is connected with the memory through a bus, the memory is used for storing programs, and the processor is used for running the programs, wherein the programs execute the gearbox gear identification method provided by the application when running.
The functions described in the method of the embodiment of the present application, if implemented in the form of software functional units and sold or used as independent products, may be stored in a storage medium readable by a computing device. Based on such understanding, part of the contribution to the prior art of the embodiments of the present application or part of the technical solution may be embodied in the form of a software product stored in a storage medium and including several instructions for causing a computing device (which may be a personal computer, a server, a mobile computing device or a network device) to execute all or part of the steps of the method described in the embodiments of the present application. And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A method of identifying a transmission gear comprising:
acquiring position signals of four operating levers acquired by a preset sensor and acquiring a current gear of a gearbox in a gear state; the position signal is indicative of a position of the joystick;
for each operating lever, if the position of the operating lever is detected not to be within a preset position range, determining that the operating lever cannot respond to a required position according to a preset target, and identifying that the operating lever is out of order;
in the event that failure of three of the levers is detected, determining that all gears of the gearbox are failed;
under the condition that the n operating levers are detected to be out of order, obtaining a normal gear and a failure gear of the gearbox according to the current gear of the gearbox and the incidence relation between the out-of-order operating lever and the gear of the gearbox; n is a positive integer less than 3;
the four joysticks include: a main box gear selecting lever, a main box gear shifting lever, a range gear shifting lever and an inserting gear shifting lever;
the gearbox gear comprises: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, R1 and R2;
obtaining a normal gear and a failure gear of the gearbox according to the current gear of the gearbox and the incidence relation between the failed operating lever and the gear of the gearbox, and the method comprises the following steps:
under the condition that the main box gear selection rod and the main box gear shifting rod are detected to be out of order and the current gear of the gearbox is the 1 st gear or the 7 th gear, determining the 1 st gear and the 7 th gear as the normal gear of the gearbox and the rest gears as the failure gears of the gearbox;
and under the condition that the main box gear selection rod and the main box gear shifting rod are detected to be out of order, and the current gear is the R1 gear or the R2 gear, determining that the R1 gear and the R2 gear are the normal gears, and the rest gears are the failure gears.
2. The method of claim 1, wherein said obtaining a current gear with a gearbox in a gear state comprises:
acquiring the rotating speed of an output shaft and the rotating speed of an input shaft of a gearbox, and calculating the ratio of the rotating speed of the output shaft to the rotating speed of the input shaft to obtain the actual rotating speed ratio of the current gear of the gearbox;
acquiring a standard speed ratio of the current gear, and calculating a difference value between the actual speed ratio and the standard speed ratio;
and under the condition that the absolute value of the difference is smaller than a preset threshold value, determining that the gearbox is in a gear state, and reading the current gear of the gearbox.
3. The method of claim 1, further comprising:
under the condition that the main box gear selection rod and the range gear shift rod are detected to be out of order and the current gear is the 1 gear, determining the 1 gear, the 2 gear and the R1 gear to be the normal gear and the rest gears to be the failure gears;
and under the condition that the main box gear selection lever and the range gear shift lever are both detected to be out of order and the current gear is the R1 gear, determining that the R1 gear is the normal gear and the rest gears are the failure gears.
4. The method of claim 1, further comprising:
when the situation that the main box gear selection rod and the plug-in gear shift rod are both detected to be out of order and the current gear is any one of the 1 gear, the 2 gear, the 7 gear and the 8 gear is detected, determining the 1 gear, the 2 gear, the 7 gear and the 8 gear as the normal gear and determining the rest gears as the failure gears;
and under the condition that the main box shift lever and the range shift lever are detected to be out of order, and the current gear is the R1 gear, determining that the R1 gear is the normal gear, and the rest gears are the failure gears.
5. The method of claim 1, further comprising:
determining that the 1 st gear, the 3 rd gear, the 5 th gear, the 7 th gear, the 9 th gear and the 11 th gear are the normal gears and the rest of the gears are the failure gears in the case that both the main box shift lever and the shift-in/shift-out shift lever are detected to be failed and the current gear is any one of the 1 st gear, the 3 rd gear, the 5 th gear, the 7 th gear, the 9 th gear and the 11 th gear;
and under the condition that the main box shift lever and the plug-in gear shift lever are detected to be failed, and the current gear is the R1 gear or the R2 gear, determining that the R1 gear and the R2 gear are the normal gears, and the rest gears are the failure gears.
6. The method of claim 1, further comprising:
when the main box gear selection rod is detected to be out of order and the current gear is any one of the 1 st gear, the 2 nd gear, the 7 th gear and the 8 th gear, determining that the 1 st gear, the 2 nd gear, the 7 th gear and the 8 th gear are the normal gears and the rest gears are the failure gears;
under the condition that the range gear shift lever is detected to be out of order, and the current gear is in any one of the 1 st gear, the 2 nd gear, the 3 rd gear, the 4 th gear, the 5 th gear and the 6 th gear, the 1 st gear, the 2 nd gear, the 3 rd gear, the 4 th gear, the 5 th gear and the 6 th gear are determined to be in the normal gear, and the rest gears are in the failure gear.
7. A transmission gear identification device, comprising:
the acquisition unit is used for acquiring position signals of the four operating levers acquired by a preset sensor and acquiring the current gear of the gearbox in a gear state; the position signal is indicative of a position of the joystick;
the identification unit is used for identifying that the operating lever fails to respond to a required position according to a preset target if the position of the operating lever is detected not to be within a preset position range for each operating lever;
a first identification unit for determining that all gears of the gearbox are disabled in case three of the levers are detected as malfunctioning;
the second identification unit is used for acquiring a normal gear and a failure gear of the gearbox according to the current gear of the gearbox and the incidence relation between the failed operating lever and the gear of the gearbox under the condition that the n operating levers are detected to be failed; n is a positive integer less than 3;
the four joysticks include: a main box gear selecting lever, a main box gear shifting lever, a range gear shifting lever and an inserting gear shifting lever;
the gearbox gear comprises: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, R1 and R2;
obtaining a normal gear and a failure gear of the gearbox according to the current gear of the gearbox and the incidence relation between the failed operating lever and the gear of the gearbox, and the method comprises the following steps:
under the condition that the main box gear selection rod and the main box gear shifting rod are detected to be out of order and the current gear of the gearbox is the 1 st gear or the 7 th gear, determining the 1 st gear and the 7 th gear as the normal gear of the gearbox and the rest gears as the failure gears of the gearbox;
in the case where it is detected that both the main tank select lever and the main tank shift lever are malfunctioning and the current gear is the R1 gear or the R2 gear, it is determined that the R1 gear and the R2 gear are the normal gears and the remaining gears are the failed gears.
8. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored program, wherein the program executes the gearbox gear identification method according to any of claims 1-6.
9. A transmission gear identification device, characterized by comprising: a processor, a memory, and a bus; the processor and the memory are connected through the bus;
the memory is adapted to store a program and the processor is adapted to run the program, wherein the program is adapted to perform the method of identifying a gearbox gear according to any of claims 1-6 when executed.
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CN100338375C (en) * 2005-06-10 2007-09-19 成都依姆特高科技有限责任公司 Gear operating lever position-signal identifying control method
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