Automatic transmission self-learning method and system

Abstract

The present application relates to a self-learning method and system for an automatic transmission gearbox. After the automatic transmission vehicle is assembled, a self-learning mode is determined according to trigger parameters and trigger conditions; according to the determined self-learning mode, a transmission controller is controlled to execute corresponding learning instructions to calibrate the transmission; wherein, the trigger parameters include electrical signals corresponding to the toggle state of the automatic transmission vehicle's hand-shift combination switch, the vehicle's braking state, the engine start state, and the vehicle's power state, thereby utilizing the existing hand-shift combination switch on the vehicle and the vehicle's CAN network environment to complete the self-learning of the automatic transmission gearbox through communication interaction between vehicle parts, without the need to use external special equipment and dedicated software to meet the needs of matching the whole vehicle self-learning of different automatic transmission gearboxes, without the need to equip special equipment and software due to the differences in automatic transmission gearboxes, and without the need to distinguish gearboxes from different manufacturers separately, the method has universality and improves the efficiency of qualified vehicle roll-off.

Description

Technical Field

[0001] The present application relates to the technical field of gearboxes, and in particular to a self-learning method and system for an automatic gearbox. Background Art

[0002] At present, the self-learning method of the gearbox is mainly to use the self-learning program provided by the gearbox manufacturer, use a dedicated self-learning device, use the vehicle CAN network to connect the device to the gearbox, and use software to realize the self-learning function of the gearbox.

[0003] However, due to the different models of automatic transmissions, different self-learning programs and external devices (computers and CAN boxes) need to be developed for different models of automatic transmissions, which are not universal. After the vehicle rolls off the assembly line, using this method, the self-learning efficiency is low, and different self-learning software tools and self-learning devices are required for different transmissions, which have poor universality and reduce the efficiency of qualified automatic transmission vehicles rolling off the assembly line. Summary of the invention

[0004] The embodiment of the present application provides an automatic transmission self-learning method and system to solve the problem in the related art that due to the different models of automatic transmissions, different self-learning programs and external devices need to be developed for different models of automatic transmissions, which are not universal and thus reduce the efficiency of automatic transmission vehicles rolling off the production line.

[0005] In a first aspect, a self-learning method for an automatic transmission is provided, comprising:

[0006] After the automatic transmission vehicle is assembled, the self-learning mode is determined according to the trigger parameters and trigger conditions;

[0007] Controlling the transmission controller to execute corresponding learning instructions according to the determined self-learning mode to calibrate the transmission;

[0008] Among them, the trigger parameters include electrical signals corresponding to the toggle state of the automatic gear combination switch of the vehicle, the vehicle braking state, the engine starting state and the power state of the whole vehicle.

[0009] In some embodiments, the trigger condition includes a first electrical signal and a standard value of vehicle air pressure; the first electrical signal is an electrical signal corresponding to the engine running, the power being turned on, the gear position of the automatic transmission vehicle hand shift combination switch being in the N gear, and the hand brake being applied;

[0010] When the trigger parameter satisfies the first electrical signal and the standard value of the vehicle air pressure, and the automatic transmission vehicle maintains the state corresponding to the first electrical signal for a first set time, the clutch learning mode is entered.

[0011] In some embodiments, when entering the clutch learning mode, the learning instruction includes calibrating the clutch state at that time to a standard state when the clutch is in neutral.

[0012] In some embodiments, the trigger condition includes a second electrical signal and a third electrical signal, the second electrical signal being an electrical signal corresponding to the engine being turned off, the power being turned on, the gear position of the automatic transmission vehicle's hand gear combination switch being in the N gear, the hand brake not being applied, and the foot brake not being applied; the third electrical signal being an electrical signal corresponding to the E / P knob of the automatic transmission vehicle's hand gear combination switch being continuously turned a set number of times within a second set time;

[0013] When the trigger parameter satisfies the second electrical signal and the third electrical signal, the slope self-learning mode is entered.

[0014] In some embodiments, when entering the slope self-learning mode, the learning instruction includes taking the slope value detected by the slope sensor at this time as the standard value when the automatic transmission vehicle is on a level ground, and sending display information of the slope sensor learning to the liquid crystal display panel of the automatic transmission vehicle;

[0015] After the transmission controller executes the learning instruction about the slope self-learning mode, it sends the display information of successful slope sensor learning to the LCD display panel of the automatic transmission vehicle and determines whether the calibration data is saved.

[0016] In some embodiments, the trigger condition includes a fifth electrical signal and a sixth electrical signal, the fifth electrical signal being an electrical signal corresponding to the engine starting, the vehicle power supply being powered on, the gear position of the automatic transmission vehicle hand gear combination switch being in the N gear, the hand brake being applied, and the foot brake not being applied; the sixth electrical signal being an electrical signal corresponding to pressing the A / M button and the upshift button of the automatic transmission vehicle hand gear combination switch at the same time and maintaining the fourth set time;

[0017] When the trigger parameter satisfies the fifth electrical signal and the sixth electrical signal, the gear self-learning mode is entered.

[0018] In some embodiments, when entering the gear self-learning mode, the learning instruction includes calibrating the state of the gearbox at this time to the standard state when the gearbox is in neutral, and sending a display message that the gear is self-learning to the liquid crystal display panel of the automatic transmission vehicle;

[0019] After the transmission controller executes the learning instruction about the gear self-learning mode, it sends the display information of successful gear self-learning to the liquid crystal display panel of the automatic transmission vehicle and determines whether the calibration data is saved.

[0020] In some embodiments, the trigger condition includes a fourth electrical signal and a third set time, and the fourth electrical signal is an electrical signal corresponding to handbrake braking and power off;

[0021] Determining whether the calibration data is saved includes the following steps:

[0022] If the trigger parameter satisfies the fourth electrical signal and the third set time, the data saving operation is completed;

[0023] Otherwise, the data saving operation is not completed, and a display message indicating that the data has not been saved is sent to the liquid crystal display panel of the automatic transmission vehicle.

[0024] In a second aspect, an automatic transmission self-learning system is provided, characterized in that the system is used to determine a self-learning mode according to trigger parameters and trigger conditions after the automatic transmission vehicle is assembled, and control a transmission controller to execute corresponding learning instructions according to the determined self-learning mode to calibrate the transmission;

[0025] Among them, the trigger parameters include electrical signals corresponding to the toggle state of the automatic gear combination switch of the vehicle, the vehicle braking state, the engine starting state and the power state of the whole vehicle.

[0026] In a third aspect, a storage medium of computer-readable instructions is provided, characterized in that when the computer-readable instructions are executed by one or more processors, the one or more processors execute the steps of the above-mentioned automatic transmission self-learning method.

[0027] The beneficial effects of the technical solution provided by this application include:

[0028] The embodiment of the present application provides an automatic transmission self-learning method and system. After the automatic transmission vehicle is assembled, the self-learning mode is determined according to the trigger parameters and trigger conditions; according to the determined self-learning mode, the transmission controller is controlled to execute the corresponding learning instructions to calibrate the transmission; wherein the trigger parameters include electrical signals corresponding to the toggle state of the automatic transmission vehicle's hand-shift combination switch, the vehicle's braking state, the engine start state and the vehicle's power state, thereby utilizing the existing hand-shift combination switch on the vehicle and the vehicle's CAN network environment to complete the self-learning of the automatic transmission through communication and interaction between vehicle parts, without the need to use external special equipment and dedicated software to meet the needs of matching the whole vehicle self-learning of different automatic transmissions, without the need to equip special equipment and software due to the differences in automatic transmissions, without the need to distinguish transmissions from different manufacturers separately, and the full range of automatic transmission models can be covered. The use of this general method to complete off-line self-learning improves the efficiency of self-learning of transmissions of all automatic transmission series models and the efficiency of qualified vehicles coming off the line. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 A general flow chart of the automatic transmission self-learning method provided in the embodiment of the present application;

[0031] Figure 2 A schematic structural diagram of the hand-shift combination switch for an automatic transmission vehicle provided in an embodiment of the present application. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0033] After the vehicle is manufactured and assembled, the gearbox needs to be self-learned offline. The offline self-learning here refers to self-learning calibration through external devices and external equipment software, so that the gearbox is in neutral, forward gear, reverse gear, P gear, and the clutch is in a normal state, and it will not appear that after the D gear is engaged, the actual gear position of the gearbox is P gear; therefore, it is mainly calibration and inspection, that is, to ensure that the vehicle is qualified when it leaves the factory,

[0034] However, due to the different models of automatic transmissions, different self-learning programs and external devices need to be developed for different models of automatic transmissions, which are not universal. This reduces the efficiency of qualified automatic transmission vehicles rolling off the production line.

[0035] Therefore, the technical solution of the present application is provided. The most direct application of the present solution is in AMT automatic transmission vehicles, and of course, it can also be applied to other types of gearboxes, such as AT and DCT gearboxes.

[0036] The embodiment of the present application provides an automatic transmission self-learning method and system to solve the problem in the related art that due to the different models of automatic transmissions, different self-learning programs and external devices need to be developed for different models of automatic transmissions, which are not universal and thus reduce the efficiency of automatic transmission vehicles rolling off the production line.

[0037] See also Figure 1, an automatic transmission self-learning method, comprising the following steps:

[0038] Step 101: after the automatic transmission vehicle is assembled, determine the self-learning mode according to the trigger parameters and trigger conditions;

[0039] Step 102, controlling the transmission controller to execute corresponding learning instructions according to the determined self-learning mode to calibrate the transmission;

[0040] Among them, the trigger parameters include electrical signals corresponding to the toggle state of the automatic transmission vehicle's gear combination switch, the vehicle's braking state, the engine start state and the vehicle's power supply state.

[0041] Therefore, the existing hand-shift combination switch and the vehicle CAN network environment can be utilized to complete the self-learning of the automatic transmission through communication interaction between vehicle parts. There is no need to use external special equipment and dedicated software to meet the needs of vehicle self-learning that matches different automatic transmissions. There is no need to equip special equipment and software due to the differences in automatic transmissions, and there is no need to distinguish transmissions from different manufacturers separately. The full range of automatic transmission models can be covered, and the use of this general method to complete off-line self-learning improves the efficiency of self-learning of transmissions of all automatic transmission series models and the efficiency of qualified vehicles coming off the line.

[0042] In some preferred embodiments, since each vehicle must undergo self-learning of the vehicle's clutch, slope, and gear position before leaving the factory after being assembled and rolled off the assembly line, how to accurately enter different modes and trigger according to different trigger conditions is described in detail below:

[0043] First, the trigger parameters are formed by collecting the electrical signals corresponding to the vehicle's gear combination switch toggle state, vehicle braking state, engine start state and vehicle power state. When the vehicle's gear combination switch toggle state, vehicle braking state, engine start state and vehicle power state change, the vehicle itself will receive an electrical signal and display it on the dashboard. Collecting trigger parameters means collecting the above electrical signals, which can also be called message signals.

[0044] For clutch learning mode

[0045] The triggering conditions include a first electrical signal and a standard value of vehicle air pressure; the first electrical signal is an electrical signal corresponding to the engine running, the power being turned on, the gear position of the automatic transmission vehicle hand shift combination switch being in the N gear, and the hand brake being applied;

[0046] When the trigger parameters meet the standard values ​​of the first electrical signal and the vehicle's air pressure, and the automatic transmission vehicle maintains the state corresponding to the first electrical signal for a first set time, the clutch learning mode is entered; when entering the clutch learning mode, the learning instructions include calibrating the state of the clutch at this time to the standard state when the clutch is in neutral.

[0047] It mainly calibrates whether the clutch can accurately switch the power transmission of the engine. A specific embodiment of the actual application of this mode is given below:

[0048] After the vehicle is installed, start the engine. When the vehicle pressure is greater than 8 bar, move the automatic transmission vehicle's gear combination switch to N gear, pull up the handbrake to brake, wait for 2 minutes, and the gearbox will automatically complete the clutch self-learning during this process.

[0049] For slope learning mode

[0050] The triggering condition includes a second electrical signal and a third electrical signal, wherein the second electrical signal is an electrical signal corresponding to the engine being turned off, the power being turned on, the gear position of the automatic transmission vehicle's hand gear combination switch being in the N gear, the hand brake not being applied, and the foot brake not being applied; and the third electrical signal is an electrical signal corresponding to the E / P knob of the automatic transmission vehicle's hand gear combination switch being continuously turned a set number of times within a second set time;

[0051] When the trigger parameters meet the second electrical signal and the third electrical signal, the slope self-learning mode is entered.

[0052] When the slope self-learning mode is entered, the learning instruction includes taking the slope value detected by the slope sensor at this time as the standard value when the automatic transmission vehicle is on a level ground, and sending the display information of the slope sensor learning to the liquid crystal display panel of the automatic transmission vehicle;

[0053] After the transmission controller executes the learning instruction about the slope self-learning mode, it sends the display information of successful slope sensor learning to the LCD display panel of the automatic transmission vehicle and determines whether the calibration data is saved.

[0054] Here is a specific example of the actual application of this mode:

[0055] After the clutch self-learning is completed, drive the vehicle to a level ground; then turn off the engine, turn the vehicle power to the ON position, turn the automatic transmission vehicle's gear combination switch handle to the N position, release the brake pedal, release the handbrake (make sure the instrument "P" light is off), and the shunter must be in the main driving position to prevent accidental slipping;

[0056] Make sure that the vehicle can stop by itself without any braking in the above situation, and keep it for 1 minute; pinch the E / P knob of the right-hand shift combination switch, and twist it quickly 4 times in a row (do not let go in the middle), wait for 1 second, and twist it again once, then activate the slope sensor self-learning; if the above operating conditions and techniques are correct, the instrument will prompt "slope sensor learning" and the prompt will disappear after waiting for a few seconds, indicating that the learning is successful; if the instrument prompts "slope sensor learning failed", repeat the above steps and learn again until the learning is successful; after the learning is successful, pull the handbrake, turn off the power, and turn off the main power switch, and wait for 1 minute before the transmission TCU completes the data saving. Among them, if the slope sensor is not learned or the power is not turned off and saved after the learning is completed, the instrument will report a fault.

[0057] For gear self-learning mode

[0058] The triggering conditions include a fifth electrical signal and a sixth electrical signal, the fifth electrical signal being an electrical signal corresponding to the engine starting, the vehicle power supply being powered on, the gear position of the automatic transmission vehicle hand gear combination switch being in the N gear, the hand brake being applied, and the foot brake not being applied; the sixth electrical signal being an electrical signal corresponding to the A / M button and the upshift button of the automatic transmission vehicle hand gear combination switch being pressed simultaneously and maintaining the fourth set time;

[0059] When the trigger parameters satisfy the fifth electrical signal and the sixth electrical signal, the gear self-learning mode is entered; when entering the gear self-learning mode, the learning instructions include calibrating the state of the gearbox at this time to the standard state when the gearbox is in neutral, and sending display information that the gear is self-learning to the LCD display panel of the automatic transmission vehicle; after the gearbox controller executes the learning instruction regarding the gear self-learning mode, it sends display information that the gear self-learning is successful to the LCD display panel of the automatic transmission vehicle, and determines whether the calibration data is saved.

[0060] The above triggering conditions include the fourth electrical signal and the third set time, the fourth electrical signal is an electrical signal corresponding to the handbrake braking and the power off; judging whether the calibration data is saved includes the following steps:

[0061] If the trigger parameter satisfies the fourth electrical signal and the third set time, the data saving operation is completed; otherwise, the data saving operation is not completed, and display information indicating that the data is not saved is sent to the liquid crystal display panel of the automatic transmission vehicle.

[0062] Here is a specific example of the actual application of this mode:

[0063] Start the engine and put it in idle state, put the automatic transmission vehicle's gear combination switch handle in the N gear, release the foot brake, pull the handbrake, and then press the A / M button and the upshift button at the same time for 5 seconds to enter the gear learning; the automatic transmission vehicle's gear combination switch continuously sends two frames of TC1 gear-related messages (Transmission Mode 3 signal); if the above operating conditions and techniques are correct, the instrument will prompt "The gear is self-learning", and after the instrument displays "Gear self-learning successful", it indicates that the learning is successful; if the instrument prompts "Self-learning is not activated" or "Gear self-learning failed", repeat the above steps and learn again until the learning is successful; after successful learning, pull the handbrake, turn off the power, and turn off the main power switch, and wait for 1 minute for the transmission TCU to complete data saving.

[0064] It should be understood that during the subsequent offline debugging and road tests, the AMT model needs to start and shift gears several times (2 to 3 times) at small, medium and large throttles (in A mode) to facilitate the gearbox to learn and match the vehicle parameters and improve smoothness.

[0065] Through the above description, the hand-shift combination switch sends messages corresponding to the operation of other parts of the vehicle to the gearbox. Through the CAN line communication function, after receiving the message, the gearbox itself responds accordingly, and feeds back the status (failure or success) of the self-learning process to the instrument through the CAN line message. After the instrument receives it, it displays the current result to prompt the operator whether the whole process is successful. The use of this technology simplifies the self-learning method of automatic gearboxes, and can meet the needs of vehicle self-learning for matching different automatic gearboxes. There is no need to equip special equipment and software due to the differences in automatic gearboxes. A general method is used to complete offline self-learning, which improves the self-learning efficiency of gearboxes of all automatic gear series models and the efficiency of qualified vehicle offline.

[0066] The present application also proposes an automatic transmission self-learning system, which includes a data acquisition module, a judgment module and a control module.

[0067] The data acquisition module is used to acquire trigger parameters, including electrical signals corresponding to the toggle state of the automatic transmission vehicle hand-shift combination switch, the vehicle braking state, the engine start state, and the vehicle power supply state.

[0068] The judgment module is used to compare the trigger parameters with the trigger conditions to determine the self-learning mode; the judgment module is also used to set or change the trigger conditions.

[0069] The control module is used to control the transmission controller to execute corresponding learning instructions according to the determined self-learning mode to calibrate the transmission.

[0070] A computer device includes a memory and a processor. The memory stores computer-readable instructions. When the computer-readable instructions are executed by the processor, the processor executes the steps of the automatic transmission self-learning method as described above.

[0071] A storage medium of computer-readable instructions, when the computer-readable instructions are executed by one or more processors, enables the one or more processors to execute the steps of the automatic transmission self-learning method as described above.

[0072] A vehicle includes an automatic transmission self-learning system. The vehicle may be a fuel vehicle or a new energy vehicle, such as an electric vehicle. Each process of the automatic transmission self-learning method described in any of the above embodiments can be implemented, and the same technical effect can be achieved. To avoid repetition, it will not be described here.

[0073] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0074] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0075] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1The steps of the functions specified in the box or multiple boxes. In a typical configuration, the computing device includes one or more processors (CPU), input / output interfaces, network interfaces and memory. The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory in the form of read-only memory (ROM) or flash RAM. The memory is an example of a computer-readable medium.

[0076] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0077] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0078] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A self-learning method for an automatic transmission, characterized in that: It includes: After the automatic transmission vehicle is assembled, the self-learning mode is determined according to the trigger parameters and trigger conditions; Controlling the transmission controller to execute corresponding learning instructions according to the determined self-learning mode to calibrate the transmission; The trigger parameters include electrical signals corresponding to the toggle state of the automatic transmission vehicle's hand-shift combination switch, the vehicle's braking state, the engine start state, and the vehicle's power supply state; The trigger condition includes a first electrical signal and a standard value of vehicle air pressure; the first electrical signal is an electrical signal corresponding to the engine running, the power being turned on, the gear position of the automatic gear combination switch of the vehicle being in gear N, and the handbrake being applied; When the trigger parameter satisfies the first electrical signal and the vehicle air pressure standard value, and the automatic transmission vehicle maintains the state corresponding to the first electrical signal for a first set time, the clutch learning mode is entered; When entering the clutch learning mode, the learning instruction includes calibrating the clutch state at this time to a standard state when the clutch is in neutral; The trigger condition includes a second electrical signal and a third electrical signal, the second electrical signal being an electrical signal corresponding to the engine being turned off, the power being turned on, the gear position of the automatic gear shift combination switch being in the N gear, the hand brake not being applied, and the foot brake not being applied; the third electrical signal being an electrical signal corresponding to the E / P knob of the automatic gear shift combination switch being continuously turned a set number of times within a second set time; When the trigger parameter satisfies the second electrical signal and the third electrical signal, the slope self-learning mode is entered; When entering the slope self-learning mode, the learning instruction includes taking the slope value detected by the slope sensor at this time as the standard value when the automatic transmission vehicle is on a level ground, and sending display information in the slope sensor learning to the liquid crystal display panel of the automatic transmission vehicle; After the transmission controller executes the learning instruction about the slope self-learning mode, it sends the display information of the slope sensor learning success to the liquid crystal display panel of the automatic transmission vehicle, and determines whether the calibration data is saved; Utilize the existing hand-shift combination switch and the vehicle CAN network environment to complete the self-learning of the automatic transmission through communication interaction between vehicle parts; The trigger condition includes a fourth electrical signal and a third set time, and the fourth electrical signal is an electrical signal corresponding to hand brake braking and power off; Determining whether the calibration data is saved includes the following steps: If the trigger parameter satisfies the fourth electrical signal and the third set time, the data saving operation is completed; Otherwise, the data saving operation is not completed, and a display message indicating that the data has not been saved is sent to the liquid crystal display panel of the automatic transmission vehicle.

2. The automatic transmission self-learning method according to claim 1, characterized in that: The triggering condition includes a fifth electrical signal and a sixth electrical signal, wherein the fifth electrical signal is an electrical signal corresponding to the engine starting, the vehicle power supply being powered on, the gear position of the automatic gear combination switch being in the N gear, the hand brake being applied, and the foot brake not being applied; The sixth electrical signal is an electrical signal corresponding to pressing the A / M button and the upshift button of the automatic transmission vehicle hand-shift combination switch at the same time and maintaining the fourth set time; When the trigger parameter satisfies the fifth electrical signal and the sixth electrical signal, the gear self-learning mode is entered.

3. The automatic transmission self-learning method according to claim 2, characterized in that: When entering the gear self-learning mode, the learning instruction includes calibrating the state of the gearbox at this time to the standard state when the gearbox is in neutral, and sending a display message that the gear is self-learning to the liquid crystal display panel of the automatic transmission vehicle; After the transmission controller executes the learning instruction about the gear self-learning mode, it sends the display information of successful gear self-learning to the liquid crystal display panel of the automatic transmission vehicle and determines whether the calibration data is saved.

4. An automatic transmission self-learning system, which uses the automatic transmission self-learning method according to any one of claims 1 to 3 to control the automatic transmission self-learning, characterized in that: The system is used to determine the self-learning mode according to the trigger parameters and trigger conditions after the automatic transmission vehicle is assembled, and control the transmission controller to execute corresponding learning instructions according to the determined self-learning mode to calibrate the transmission; Among them, the trigger parameters include electrical signals corresponding to the toggle state of the automatic gear combination switch of the vehicle, the vehicle braking state, the engine starting state and the power state of the whole vehicle.

5. A computer-readable instruction storage medium, characterized in that: When the computer-readable instructions are executed by one or more processors, the one or more processors are caused to perform the steps of the automatic transmission self-learning method as claimed in any one of claims 1 to 3.

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