CN114370500A - Full-automatic electrically controlled gearbox control parameter calibration system and loader - Google Patents
Full-automatic electrically controlled gearbox control parameter calibration system and loader Download PDFInfo
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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
- F16H61/04—Smoothing ratio shift
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/08—Range selector apparatus
- F16H59/12—Range selector apparatus comprising push button devices
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/36—Inputs being a function of speed
- F16H59/46—Inputs being a function of speed dependent on a comparison between speeds
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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
- F16H61/02—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 characterised by the signals used
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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
- F16H63/42—Ratio indicator devices
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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
- F16H2061/0075—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 characterised by a particular control method
- F16H2061/0096—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 characterised by a particular control method using a parameter map
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Abstract
The invention discloses a full-automatic electrically-controlled gearbox control parameter calibration system and a loader, and relates to the field of engineering machinery; according to the invention, a calibration request instruction is sent to a bus by matching an intelligent instrument and a matrix key, a gearbox controller judges whether the current calibration condition is met or not after receiving the calibration request instruction, if the calibration condition is met, the gearbox control system is calibrated, and the functions of displaying the calibration condition of the gearbox control system and calibrating parameters are realized; through the speed sensor who connects on the gearbox, can real-time detection gearbox output's rotational speed data, real-time processing speed information to judge whether need indicate the driver to mark the operation according to jerk number value size, can in time revise control system's control parameter with this, avoid the condition that the gear shift was strikeed to the gear shift process appearance, improved navigating mate's experience and felt.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a full-automatic electrically-controlled gearbox control parameter calibration system and a loader.
Background
A transmission is a mechanism for changing the speed and torque from an engine, which can change the ratio of the output shaft to the input shaft, either fixed or in steps, also known as a gearbox. The speed variator consists of speed-changing transmission mechanism and control mechanism, and some vehicles also have power output mechanism. The transmission mechanism is mainly driven by common gears and also driven by planetary gears. The common gear transmission mechanism generally uses a sliding gear, a synchronizer and the like. An electric control planetary gearbox of the loader adopts a controller TCU to control a proportional solenoid valve to realize gearbox gear shifting, and a gear shifting control strategy is contained in the controller and used for controlling the proportional solenoid valve to realize combination of a clutch of the gearbox.
In a patent "a control method of an automatic transmission" with publication (publication) number CN111022632A, a transmission ratio array is obtained by normalizing a turbine rotation speed value and an output shaft rotation speed value by acquiring an oil temperature value, the turbine rotation speed value and the output shaft rotation speed value of a hydraulic oil path in a gear shifting process; obtaining a calibration volume rate current value, a calibration initial current value and a calibration gear-off current value according to the transmission ratio array; and calibrating and optimizing the volume rate current value, the initial current value and the gear-off current value by taking the transmission ratio array as an evaluation standard, simplifying the traditional complex control parameter calibration process into an easily-observed and quantifiable transmission ratio evaluation method, and providing an effective basic calibration method for the mass production of the automatic transmission control unit.
At present, the calibration of the control parameters of the existing loader gearbox control system needs to be connected with a computer, and the parameter calibration is carried out on the electric control system of the whole loader in a data line connection mode. When the system is used by market terminal users, the control parameters of the control system are inconvenient to correct in time. As the service life of a product is prolonged, the smoothness of gear shifting is degraded, gear shifting impact occurs in the gear shifting process, and the driving experience is influenced.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, control parameters of a control system are inconvenient to correct in time, gear shifting impact occurs in the gear shifting process, and driving experience is influenced, and provides a full-automatic electrically controlled gearbox control parameter calibration system and a loader.
In order to achieve the purpose, the invention adopts the following technical scheme:
a full-automatic electrically controlled gearbox control parameter calibration system comprises the following steps:
connecting a gearbox controller, an intelligent instrument and an engine controller to the same CAN bus communication network;
sending a calibration request instruction to a CAN bus communication network through the matching of matrix keys on the intelligent instrument;
the gearbox controller receives a calibration request instruction and sends the measured rotating speed information to a CAN bus communication network;
and judging whether the current calibration condition meets the set requirement or not through the speed information.
Preferably, the step of connecting the transmission controller, the smart meter and the engine controller to the same CAN bus communication network includes the following steps:
the transmission controller, the intelligent instrument and the engine controller on the loader are in communication network connection with the same CAN bus through a plurality of data lines, so that different instructions are sent to the transmission controller or the engine controller by utilizing the transmission function of the intelligent instrument through CAN bus data, and the obtained data CAN be transmitted to the intelligent instrument through the CAN bus by the transmission controller or the engine controller, thereby realizing human-computer interaction.
Preferably, the step of sending the calibration request instruction to the CAN bus communication network by matching matrix keys on the smart meter specifically includes:
the intelligent instrument and the matrix key are integrated, then a command is issued to the intelligent instrument through the matrix key, and the intelligent instrument immediately sends the command to the CAN bus communication network;
after the intelligent instrument sends the command, the CAN bus broadcasts the command to all nodes in the network in a message form, receives the data no matter whether the data is sent to the CAN bus, immediately detects the received messages, judges whether the messages are sent to the CAN bus or not and determines whether the messages are received or not.
Preferably, the transmission controller receives a calibration request command, and sends the measured rotation speed information to the CAN bus communication network, specifically as follows:
after a gearbox controller receives a calibration request instruction, detecting rotating speed data output by a gearbox in real time through a rotating speed sensor connected to the gearbox;
the intelligent instrument receives the speed information of the output shaft through the CAN bus and processes the speed information in real time;
firstly, carrying out filtering operation on speed information;
then the velocity and acceleration are differentiated:
immediately outputting jerk, namely a value j obtained by derivation of the acceleration;
preferably, the step of determining whether the current calibration condition meets the set requirement according to the speed information includes:
setting a jerk determination value C, which is generally default to 3m/s ^3
Judging whether the output jerk j value is larger than a set value C;
when j is greater than C, judging that calibration is needed, informing a driver of the fact that calibration operation can be carried out, and when the driver determines that calibration is needed, starting calibration by the system;
and when j < C, judging that the calibration is not needed.
A full-automatic electrically controlled gearbox control parameter calibration system comprises:
a network framework module: the intelligent instrument is used for connecting the gearbox controller, the intelligent instrument and the engine controller to the same CAN bus communication network;
an instruction generation module: the system is used for sending a calibration request instruction to a CAN bus communication network through the matching of matrix keys on the intelligent instrument;
a rotating speed processing module: the gearbox controller is used for receiving a calibration request instruction and sending the measured rotating speed information to the CAN bus communication network;
a calibration determination module: and the method is used for judging whether the current calibration condition meets the set requirement or not through the speed information.
Preferably, the rotation speed processing module includes:
a speed detection submodule: the gearbox controller detects the rotating speed data output by the gearbox in real time through a rotating speed sensor connected to the gearbox;
an information processing submodule: the CAN bus is used for processing the speed information in real time after receiving the speed information of the output shaft.
Preferably, the information processing sub-module further includes:
a filtering operation submodule: the speed information processing device is used for carrying out filtering operation on the speed information;
a data derivation sub-module: for deriving speed and acceleration:
a data output submodule: for outputting jerk, i.e. the value derived from the acceleration.
A gearbox controller, an intelligent instrument and an engine controller are arranged in the loader, and the steps of the full-automatic electronic control gearbox control parameter calibration method are realized when the gearbox controller, the intelligent instrument and the engine controller execute CAN bus readable instructions.
A computer readable storage medium having computer readable instructions stored thereon which, when executed by a processor, implement the steps of the fully automatic electronically controlled transmission control parameter calibration method.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, a calibration request instruction is sent to the bus by the cooperation of the intelligent instrument and the matrix key, the gearbox controller judges whether the current calibration condition is met or not after receiving the calibration request instruction, and if the calibration condition is met, the gearbox control system is calibrated, so that the functions of displaying the calibration condition of the gearbox control system and calibrating the parameters are realized.
2. According to the invention, the rotating speed sensor connected to the gearbox through the gearbox controller can detect the rotating speed data output by the gearbox in real time, process the speed information in real time, and judge whether the driver needs to be prompted to carry out calibration operation according to the jerk value, so that the control parameters of the control system can be corrected in time, the condition of gear shifting impact in the gear shifting process is avoided, and the experience of the driver is improved.
3. The intelligent instrument and the matrix keys are integrated, and the touch screen instrument is adopted for operation, so that man-machine interaction is realized, and the calibration function is completed.
Drawings
FIG. 1 is a flowchart illustrating steps of a method for calibrating control parameters of a fully automatic electrically controlled transmission according to the present invention;
FIG. 2 is a flow chart of a calibration decision of a full-automatic electrically controlled transmission control parameter calibration system according to the present invention;
FIG. 3 is a flow chart of the steps of processing the rotational speed information of the full-automatic electrically controlled transmission control parameter calibration system according to the present invention;
fig. 4 is a flowchart of information determination steps of a full-automatic electrically controlled transmission control parameter calibration system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a full-automatic electrically-controlled gearbox control parameter calibration system comprises the following steps:
s1, connecting the gearbox controller, the intelligent instrument and the engine controller to the same CAN bus communication network, which comprises the following steps:
the transmission controller, the intelligent instrument and the engine controller on the loader are in communication network connection with the same CAN bus through a plurality of data lines, so that different instructions are sent to the transmission controller or the engine controller by utilizing the transmission function of the intelligent instrument through CAN bus data, and the obtained data CAN be transmitted to the intelligent instrument through the CAN bus by the transmission controller or the engine controller, thereby realizing human-computer interaction;
the CAN gateway is communicated with other nodes, if a data frame is sent to other nodes, firstly, the address of the node is received according to the CAN data frame to be generated, the D value of the CAN data frame is set, and a D field is sent; setting a DLC value according to the length of the transmitted data byte, and transmitting DLC and CAN control bits; sending a data byte; calculating the value of the CRC field and transmitting the CRC field; sending an ACK field, sending the end of a CAN data frame, and finishing the sending of the CAN data frame; if the data frame from the CAN node is received and split, firstly, the MSCAN filter judges whether the D value is D to be received, if so, the receiving is carried out, otherwise, the receiving is not carried out; receiving a DILC field and determining the length of a data field to be received; and receiving the data field, receiving the CRC field, judging whether the CRC value is correct, if so, storing the data, otherwise, discarding the data frame, sending a remote frame, requesting to resend the CAN data frame, and finishing the receiving of the CAN data frame.
S2, sending a calibration request instruction to the CAN bus communication network through the matching of matrix keys on the intelligent instrument, specifically comprising the following steps:
the intelligent instrument and the matrix key are integrated, then a command is issued to the intelligent instrument through the matrix key, and the intelligent instrument immediately sends the command to the CAN bus communication network;
after the intelligent instrument sends the command, the CAN bus broadcasts the command to all nodes in the network in a message form, receives the data no matter whether the data is sent to the CAN bus, immediately detects the received messages, judges whether the messages are sent to the CAN bus or not and determines whether the messages are received or not;
the medium of signal transmission in the CAN bus network is a twisted pair, a proper twisted pair is selected, the anti-interference capability of the whole vehicle network is greatly improved, electrical connecting wires among all ECUs in the vehicle are bundled together, the wire harnesses usually comprise various control signal wires, communication network wires, power wires of the ECUs and the like, the wire harnesses are also arranged in the battery pack, the communication network wires are usually close to power wires of the batteries, the interference on the communication network wires is also the largest, for the current engineering vehicles, the ECU units of the whole vehicle are more and more, the electromagnetic interference on the CAN bus network is also more serious, and therefore the anti-interference capability of the whole vehicle network CAN be effectively improved.
S3, the step of receiving the calibration request instruction by the gearbox controller and sending the measured rotating speed information to the CAN bus communication network, which is as follows:
s301, detecting rotating speed data output by a gearbox in real time through a rotating speed sensor connected to the gearbox by a gearbox controller;
s302, the rotating speed information is sent to a bus, and the intelligent instrument receives the speed information of an output shaft through a CAN bus and processes the speed information in real time;
s303, firstly, carrying out filtering operation on the speed information;
the filter operation model formula is as follows:
the definition in two-dimensional space is:
wherein:
r2＝u2+v2
in a two-dimensional space, the contour lines of a curved surface generated by the formula are concentric circles which are normally distributed from the center, when filtering is realized on a computer, a convolution matrix formed by pixels with non-zero distribution is transformed with an original image, the value of each pixel is the weighted average of the values of the surrounding adjacent pixels, the value of the original pixel has the maximum distribution value, so the maximum weight is provided, and the weights of the adjacent pixels are smaller and smaller as the adjacent pixels are farther from the original pixel.
S304, then respectively carrying out derivation on the speed and the acceleration:
wherein, the velocity and acceleration derivation formula is as follows:
wherein, a is called acceleration; the rate of change of the speed is defined, and the corresponding unit is m/s ^ 2;
wherein j is called jerk and is defined as the change rate of acceleration, and the corresponding unit is m/s ^ 3;
s305, immediately outputting jerk, namely an acceleration derivative value j.
S4, judging whether the current calibration condition meets the set requirement through the speed information, which specifically comprises the following steps:
s401, setting a jerk determination value C, which is generally default to 3m/S ^ 3;
s402, judging whether the output jerk j value is larger than a set value C;
s403, when j > C, judging that calibration is needed, informing a driver of the fact that calibration operation can be carried out, and when the driver determines that calibration is needed, starting calibration by the system;
and S404, when j < C, judging that the calibration is not needed.
In general, when the jerk is greater than 3, the unpleasant feeling of people is obviously increased, so that filtering can be performed according to speed signals before and after the gear shifting of the whole vehicle, secondary derivation is performed to obtain a jerk value, and when the jerk value exceeds a set value C, the gear shifting impact of the whole vehicle is considered to be too large, and the calibration of a control system is required.
Synthesize S4 and S4 wherein, the rotational speed data that the gearbox controller can real-time detection gearbox output through the rotational speed sensor who connects on the gearbox, real-time processing speed information to judge whether need the suggestion driver to carry out the operation of maring according to jerk number value size, can in time revise control system 'S control parameter with this, avoid the condition that the gear shift impact appears in the gear shift process, improved navigating mate' S experience and felt.
A full-automatic electrically controlled gearbox control parameter calibration system comprises:
a network framework module: the intelligent instrument is used for connecting the gearbox controller, the intelligent instrument and the engine controller to the same CAN bus communication network;
an instruction generation module: the system is used for sending a calibration request instruction to a CAN bus communication network through the matching of matrix keys on the intelligent instrument;
a rotating speed processing module: the gearbox controller is used for receiving a calibration request instruction and sending the measured rotating speed information to the CAN bus communication network;
a calibration determination module: and the method is used for judging whether the current calibration condition meets the set requirement or not through the speed information.
Wherein, rotational speed processing module includes:
a speed detection submodule: the gearbox controller detects the rotating speed data output by the gearbox in real time through a rotating speed sensor connected to the gearbox;
an information processing submodule: the CAN bus is used for processing the speed information in real time after receiving the speed information of the output shaft;
wherein, the information processing submodule also includes:
a filtering operation submodule: the speed information processing device is used for carrying out filtering operation on the speed information;
a data derivation sub-module: for deriving speed and acceleration:
a data output submodule: for outputting jerk, i.e. the value derived from the acceleration.
A gear box controller, an intelligent instrument and an engine controller are arranged in the loader, and the steps of the full-automatic electrically-controlled gear box control parameter calibration method are realized when the gear box controller, the intelligent instrument and the engine controller execute CAN bus readable instructions.
A computer readable storage medium having computer readable instructions stored thereon, which when executed by a processor, implement the steps of the fully automatic electronically controlled transmission control parameter calibration method.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A full-automatic electrically controlled gearbox control parameter calibration system is characterized by comprising the following steps:
connecting a gearbox controller, an intelligent instrument and an engine controller to the same CAN bus communication network;
sending a calibration request instruction to a CAN bus communication network through the matching of matrix keys on the intelligent instrument;
the gearbox controller receives a calibration request instruction and sends the measured rotating speed information to a CAN bus communication network;
and judging whether the current calibration condition meets the set requirement or not through the speed information.
2. The method for calibrating the control parameters of the full-automatic electrically-controlled gearbox according to claim 1, wherein the step of connecting the gearbox controller, the smart meter and the engine controller to the same CAN bus communication network comprises the following specific steps:
the transmission controller, the intelligent instrument and the engine controller on the loader are in communication network connection with the same CAN bus through a plurality of data lines, so that different instructions are sent to the transmission controller or the engine controller by utilizing the transmission function of the intelligent instrument through CAN bus data, and the obtained data CAN be transmitted to the intelligent instrument through the CAN bus by the transmission controller or the engine controller, thereby realizing human-computer interaction.
3. The method for calibrating the control parameters of the full-automatic electrically-controlled gearbox according to claim 1, wherein the step of sending a calibration request instruction to a CAN bus communication network through the matching of matrix keys on an intelligent instrument specifically comprises the following steps:
the intelligent instrument and the matrix key are integrated, then a command is issued to the intelligent instrument through the matrix key, and the intelligent instrument immediately sends the command to the CAN bus communication network;
after the intelligent instrument sends the command, the CAN bus broadcasts the command to all nodes in the network in a message form, receives the data no matter whether the data is sent to the CAN bus, immediately detects the received messages, judges whether the messages are sent to the CAN bus or not and determines whether the messages are received or not.
4. The method for calibrating the control parameters of the full-automatic electrically-controlled gearbox according to claim 1, wherein the step of receiving the calibration request command by the gearbox controller and sending the measured rotating speed information to the CAN bus communication network comprises the following steps:
after a gearbox controller receives a calibration request instruction, detecting rotating speed data output by a gearbox in real time through a rotating speed sensor connected to the gearbox;
the intelligent instrument receives the speed information of the output shaft through the CAN bus and processes the speed information in real time;
firstly, carrying out filtering operation on speed information;
then the velocity and acceleration are differentiated:
and then outputs the value j obtained by the acceleration derivation.
5. The method for calibrating the control parameters of the full-automatic electrically-controlled gearbox according to claim 1, wherein the step of judging whether the current calibration conditions meet the set requirements or not through speed information specifically comprises the following steps:
setting a jerk determination value C, which is generally default to 3m/s ^ 3;
judging whether the j value obtained by the output acceleration derivation is larger than a set value C or not;
when j is greater than C, judging that calibration is needed, informing a driver of the fact that calibration operation can be carried out, and when the driver determines that calibration is needed, starting calibration by the system;
and when j < C, judging that the calibration is not needed.
6. The utility model provides a full-automatic electrically controlled gearbox control parameter calibration system which characterized in that includes:
a network framework module: the intelligent instrument is used for connecting the gearbox controller, the intelligent instrument and the engine controller to the same CAN bus communication network;
an instruction generation module: the system is used for sending a calibration request instruction to a CAN bus communication network through the matching of matrix keys on the intelligent instrument;
a rotating speed processing module: the gearbox controller is used for receiving a calibration request instruction and sending the measured rotating speed information to the CAN bus communication network;
a calibration determination module: and the method is used for judging whether the current calibration condition meets the set requirement or not through the speed information.
7. The system for calibrating the control parameters of the full-automatic electrically-controlled gearbox according to claim 6, wherein the rotating speed processing module comprises:
a speed detection submodule: the system comprises a transmission controller, a speed sensor and a data processing unit, wherein the transmission controller is used for detecting the speed data output by the transmission in real time through the speed sensor connected to the transmission;
an information processing submodule: the CAN bus is used for processing the speed information in real time after receiving the speed information of the output shaft.
8. The system for calibrating the control parameters of the full-automatic electrically-controlled gearbox according to claim 7, wherein the information processing sub-module further comprises:
a filtering operation submodule: the speed information processing device is used for carrying out filtering operation on the speed information;
a data derivation sub-module: for deriving speed and acceleration:
a data output submodule: for outputting the acceleration derivative value j.
9. A loader, characterized in that a gearbox controller, a smart meter and an engine controller are arranged in the loader, and the steps of the full-automatic electrically controlled gearbox control parameter calibration method according to any one of claims 1 to 5 are realized when the gearbox controller, the smart meter and the engine controller execute CAN bus readable instructions.
10. A computer readable storage medium having computer readable instructions stored thereon, which when executed by a processor, implement the steps of the fully automatic electronically controlled transmission control parameter calibration method according to any one of claims 1 to 5.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116215558A (en) * | 2023-05-09 | 2023-06-06 | 盛瑞传动股份有限公司 | Parameter updating method, device, equipment and computer readable storage medium |
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| CN116215558A (en) * | 2023-05-09 | 2023-06-06 | 盛瑞传动股份有限公司 | Parameter updating method, device, equipment and computer readable storage medium |
| CN116215558B (en) * | 2023-05-09 | 2023-09-08 | 盛瑞传动股份有限公司 | Parameter updating method, device, equipment and computer readable storage medium |
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