CN109723816B - Self-adaptive method for public wet type double-clutch gearbox - Google Patents
Self-adaptive method for public wet type double-clutch gearbox Download PDFInfo
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- CN109723816B CN109723816B CN201811512105.XA CN201811512105A CN109723816B CN 109723816 B CN109723816 B CN 109723816B CN 201811512105 A CN201811512105 A CN 201811512105A CN 109723816 B CN109723816 B CN 109723816B
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Abstract
The invention discloses a self-adaptive method for a popular wet-type double-clutch gearbox, and belongs to the field of automobile accessories. The method comprises the steps of obtaining the type of the gearbox and the temperature of lubricating oil of the gearbox; detecting whether the type of the gearbox is a preset type and whether the temperature of lubricating oil of the gearbox is in a preset temperature range; if the self-adaptive condition is detected to be met, acquiring and storing the engaging distance and the engaging torque of the first clutch and the engaging distance and the engaging torque of the second clutch; sending a plurality of self-adaptive instructions to a gearbox according to a preset sequence and rules, wherein the self-adaptive instructions comprise a gearbox transmission tolerance adjusting instruction, a gearbox synchronous measuring point adjusting instruction, an initialization setting instruction, a clutch joint pressure numerical correction instruction, a safety function numerical correction instruction, a steering self-adaptive numerical correction instruction, an ESP (electronic stability program) and a cruise self-adaptive numerical correction instruction; the problem that the requirement on professional skills is high when the gearbox is self-adaptive is solved; the effect of the smoothness of shifting when driving is improved is achieved.
Description
Technical Field
The embodiment of the invention relates to the field of automobile accessories, in particular to a self-adaptive method for a popular wet type double-clutch gearbox.
Background
A Direct Shift gear box (DSG) is different from a common automatic transmission, and a mass automobile group is firstly civilized, and is essentially a manual transmission with full-automatic electrically-controlled clutch.
When a new vehicle is driven, the vehicle does not have any feeling of jerk and shake, but when the vehicle runs for a period of time or about tens of thousands of kilometers, the vehicle can shake seriously in the starting stage or when the vehicle is turned to require low-speed and large-torque output, and the frequency of the shaking phenomenon is higher and higher along with the lapse of time. To relieve the jerky feeling, the clutch can be self-adapted, but a common manufacturer only performs self-adaptation on the clutch once before leaving a factory.
In foreign countries, a special instrument is used for self-adaptive matching of the clutch in each maintenance, but in domestic, all 4S shops do not provide the service for the automobile in the maintenance process, and the service can be counterproductive due to negligence of certain detailed conditions (such as oil temperature of a gearbox and the like).
Disclosure of Invention
In order to solve the problems of the prior art, the embodiment of the invention provides an adaptive method for a popular wet type dual-clutch transmission. The technical scheme is as follows:
in a first aspect, a self-adaptive method for a popular wet-type dual-clutch transmission is provided, and is applied to a portable self-adaptive device, wherein the portable self-adaptive device comprises a DC/DC module, an MCU module, a CAN communication module, an OBD interface and a TF card slot; the MCU module is respectively connected with the DC/DC module, the CAN communication module and the TF card slot; the DC/DC module is connected with the OBD interface and the TF card slot; the CAN communication module is connected with the OBD interface;
the method comprises the following steps:
acquiring the type of a gearbox and the temperature of lubricating oil of the gearbox;
detecting whether the type of the gearbox is a preset type and whether the temperature of lubricating oil of the gearbox is in a preset temperature range;
if the type of the gearbox is detected to be a preset type and the temperature of lubricating oil of the gearbox is detected to be within a preset temperature range, acquiring and storing the engaging distance and the engaging torque of the first clutch, and the engaging distance and the engaging torque of the second clutch;
sending a plurality of self-adaptive instructions to a gearbox according to a preset sequence and rules, wherein the self-adaptive instructions comprise a gearbox transmission tolerance adjusting instruction, a gearbox synchronous measuring point adjusting instruction, an initialization setting instruction, a clutch joint pressure numerical correction instruction, a safety function numerical correction instruction, a steering self-adaptive numerical correction instruction, an ESP (electronic stability program) and a cruise self-adaptive numerical correction instruction;
the transmission tolerance adjusting instruction of the gearbox is used for controlling the gearbox to perform self-adaptation of transmission tolerance of the gearbox;
the gearbox synchronous measuring point adjusting instruction is used for controlling the gearbox to perform self-adaptation of the gearbox synchronous measuring point;
the initialization setting instruction is used for controlling the gearbox to carry out initialization setting;
the clutch engaging pressure numerical correction command is used for controlling the gearbox to correct and update the clutch engaging pressure numerical value;
the safety function numerical value correction instruction is used for controlling the gearbox to correct and updating the safety function numerical value;
the steering self-adaptive numerical correction instruction is used for controlling the gearbox to correct and updating the steering self-adaptive numerical value;
the ESP and cruise adaptive value corrective commands are used to control transmission corrective actions and update the ESP and cruise adaptive values.
Optionally, when the predetermined model is DQ250, sending a plurality of adaptive commands to the transmission according to a predetermined sequence and rule includes:
sending a transmission tolerance adjustment instruction of the gearbox to the gearbox;
detecting whether feedback data is received or not within a first preset time range, wherein the feedback data is sent by a gearbox;
if the feedback data is detected to be received in the first preset time, sending a synchronous measuring point adjusting instruction of the gearbox to the gearbox;
detecting whether feedback data is received within a second preset time range;
if the feedback data are detected within a second preset time range, an initialization setting instruction is sent to the gearbox;
detecting whether feedback data is received within a third preset time range;
if the feedback data are detected within the third preset time range, a safety function numerical correction instruction is sent to the gearbox;
sending a numerical correction command of the engaging pressure of the clutch to the gearbox; sending a steering self-adaptive numerical correction instruction to the gearbox;
and sending ESP and cruise adaptive numerical correction commands to the gearbox.
Optionally, the portable adaptive device further comprises an indicator light and a buzzer, the MCU module is connected to the indicator light and the buzzer respectively, and the DC/DC module is connected to the indicator light and the buzzer respectively;
the method further comprises the following steps:
and after the self-adaptive process of the gearbox is finished, controlling the indicator lamp to be normally on and controlling the buzzer to sound for a long time.
Optionally, before the model of the gearbox and the temperature of the lubricating oil of the gearbox are obtained, the portable self-adaptive device is connected with the gearbox through an OBD interface;
the automobile where the gearbox is located is started and keeps idling, the hand brake of the automobile is in a locking state, and the gear of the gearbox is P gear.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the portable self-adaptive device is connected with a gearbox on an automobile, the portable self-adaptive device is used for sending a self-adaptive instruction to a TCU (transmission control unit) of the gearbox, the gearbox can automatically execute a self-adaptive task under the condition that self-adaptive conditions are met, control variables in the TCU are updated, a user only needs to step on a brake during the self-adaptive instruction, and an adjusted clutch is smooth during gear shifting, so that the user cannot feel pause and frustration, and the problems that the requirement on professional skills is high when the popular wet type double-clutch gearbox is self-adaptive, and the user cannot conveniently and rapidly adapt to the gearbox are solved; the effect of the smoothness of shifting when having reached promotion driving, the life of extension gearbox.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a block diagram illustrating a portable adaptive device for a mass wet dual clutch transmission according to an exemplary embodiment;
FIG. 2 is a flow chart illustrating an adaptive method for a mass wet dual clutch transmission according to an exemplary embodiment;
FIG. 3 is a flow chart illustrating an adaptive method for a mass wet dual clutch transmission according to another exemplary embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The embodiment of the invention provides a portable self-adaptive device for a popular wet type double-clutch gearbox, which comprises a DC/DC module 110, an MCU module 120, a CAN communication module 130, an OBD interface 140 and a TF card slot 150.
The MCU module 120 is connected to the DC/DC module 110, the CAN communication module 130, the OBD interface 140, and the TF card slot 150, respectively.
The DC/DC module 110 is connected to the OBD interface 140 and the TF card slot 150.
Specifically, the power output terminal of the DC/DC module 110 is connected to the power input terminals of the MCU module 120 and the TF card slot 150, respectively.
The CAN communication module 130 is connected to an OBD interface 140.
The TF card slot 150 is used for placing a TF memory card.
The OBD interface 140 includes a power supply pin 141 and a CAN bus pin 142, the power supply pin 141 of the OBD interface 140 is connected to the power input terminal of the DC/DC module 110, and the CAN bus pin 142 of the OBD interface 140 is connected to the CAN communication module 130.
The portable adaptive device further includes an indicator light 160 and a buzzer 170.
The MCU module 120 is connected to the indicator light 160 and the buzzer 170.
The DC/DC module 120 is respectively connected with the buzzer 170 and the indicator light 160; specifically, the power output terminal of the DC/DC module 110 is connected to the power input terminals of the buzzer 170 and the indicator light 160, respectively.
The OBD interface on this portable self-adaptation device is public for the OBD, utilizes the OBD interface connection on OBD interface and the car.
Optionally, the housing of the portable adaptive device is a cuboid box, and the main circuit of the portable adaptive device is in the cuboid box.
Referring to fig. 2, a flow chart of an adaptive method for a mass wet dual clutch transmission according to an embodiment of the invention is shown. The adaptive method for the popular wet dual clutch transmission is suitable for use in a portable adaptive apparatus as shown in fig. 1. As shown in fig. 2, the adaptive method for mass wet dual clutch transmissions may comprise the steps of:
After the OBD interface of the portable self-adaptive device is inserted into the OBD interface of the automobile, the portable self-adaptive device is communicated with a gearbox of the automobile, and the model of the gearbox and the temperature of lubricating oil of the gearbox are read from the data stream.
The gearbox is popular wet-type double-clutch gearbox, has 2 clutches.
The portable adaptive device communicates with the gearbox via a CAN bus pin 1 in the OBD interface.
If the gearbox model is detected to be a predetermined model and the temperature of the gearbox lubricating oil is in a predetermined temperature range, step 203 is executed.
If the type of the gearbox is detected to be not the preset type, or the temperature of the lubricating oil of the gearbox is not in the preset temperature range, or the type of the gearbox is not the preset type and the temperature of the lubricating oil of the gearbox is not in the preset temperature range, an indicator light of the portable self-adaptive device is turned on and flickers; and the user turns off the automobile power supply according to the state of the indicator lamp and unplugs the OBD interface of the portable self-adaptive device.
And step 203, acquiring and storing the engaging distance and the engaging torque of the first clutch, and the interface distance and the engaging torque of the second clutch.
The MCU in the portable adaptive device sends a command to a TCU (Transmission Control Unit) of the vehicle to acquire the engagement distance and the engagement torque of the first clutch, and the interface distance and the engagement torque of the second clutch, and stores the acquired engagement distance and the acquired engagement torque of the first clutch, and the acquired interface distance and the acquired engagement torque of the second clutch in the TF card.
A user can acquire the engaging distance and the engaging torque of the first clutch, the engaging distance and the engaging torque of the second clutch before the self-adaptive task is executed by the gearbox from the TF card, and the abrasion degree of the clutch plate is conveniently checked.
And step 204, sending a plurality of self-adaptive commands to the gearbox according to a preset sequence and rules.
The self-adaptive instructions comprise a transmission tolerance adjustment instruction of the gearbox, a synchronous measurement point adjustment instruction of the gearbox, an initialization setting instruction, a numerical correction instruction of the engaging pressure of the clutch, a numerical correction instruction of a safety function, a numerical correction instruction of a steering self-adaptive value, an ESP (electronic stability program) and a cruise self-adaptive value.
And the MCU in the portable self-adaptive device sends corresponding self-adaptive commands to different channels of the TCU of the gearbox according to a preset sequence.
It should be noted that after some adaptive commands are sent, the MCU needs to receive feedback data sent by the TCU within a predetermined time range before continuing to send the adaptive commands. The transmission tolerance adjusting instruction of the gearbox is used for controlling the gearbox to perform self-adaptation of transmission tolerance of the gearbox;
the gearbox synchronous measuring point adjusting instruction is used for controlling the gearbox to perform self-adaptation of the gearbox synchronous measuring point;
the initialization setting instruction is used for controlling the gearbox to carry out initialization setting;
the clutch engaging pressure numerical correction command is used for controlling the gearbox to correct and update the clutch engaging pressure numerical value;
the safety function numerical value correction instruction is used for controlling the gearbox to correct and updating the safety function numerical value;
the steering self-adaptive numerical correction instruction is used for controlling the gearbox to correct and updating the steering self-adaptive numerical value;
the ESP and cruise adaptive value corrective commands are used to control transmission corrective actions and update the ESP and cruise adaptive values.
And step 205, after the self-adaptive process of the gearbox is finished, controlling the indicator lamp to be normally on and controlling the buzzer to sound for a long time.
The MCU in the portable self-adaptive device controls the indicator light to be on constantly and controls the buzzer to sound for a long time.
It should be noted that, because there are several types of wet clutches currently used by the public, when different wet clutches are adapted, the sequence of the MCU in the portable adaptive device sending the adaptive command to the TCU of the transmission and the TCU channel number corresponding to the adaptive command are different.
Before the adaptive method of the wet gearbox is executed, an automobile where the gearbox to be adapted is located needs to be started, the automobile is made to keep idle, a hand brake of the automobile is kept in a locked state, a gear of the gearbox is kept in a P gear, and an OBD interface of the portable adaptive device is inserted into an OBD interface on the automobile until the adaptation of the gearbox is finished; in a gearbox adaptive device, the clutch may be engaged multiple times, with a slight action of the corresponding actuator.
Optionally, after the OBD interface of portable self-adaptation device inserted the OBD interface on the car, portable self-adaptation device got the electricity from the car, and DC/DC module step-down, the last pilot lamp of portable self-adaptation device bright red light, and often bright, portable self-adaptation device's bee calling organ prolonged ring 3 after 5 seconds, portable self-adaptation device began work this moment.
The self-adaptive method for the popular wet-type double-clutch gearbox is implemented, a portable self-adaptive device is connected with a gearbox on an automobile, a self-adaptive instruction is sent to a TCU (transmission control unit) of the gearbox by using the portable self-adaptive device, the gearbox can automatically execute a self-adaptive task under the condition of meeting self-adaptive conditions, a control variable in the TCU is updated, a user only needs to step on a brake during the period, an adjusted clutch is smooth during gear shifting, the user cannot feel pause, and the problem that the requirement on professional skills is high when the popular wet-type double-clutch gearbox is self-adaptive, and the user cannot conveniently and rapidly adapt the gearbox is solved; the effect of the smoothness of shifting when having reached promotion driving, the life of extension gearbox.
The DQ250 type wet-type double-clutch transmission is provided with two clutches, the clutches can frequently switch gears due to certain congested road conditions, meanwhile, due to the congested road conditions, heat dissipation cannot be performed on the transmission through external air cooling, the abrasion of a clutch plate is accelerated due to the temperature rise of lubricating oil of the transmission, an electromechanical control unit in the transmission cannot identify the abrasion degree of the clutch plate, and the motion process of the clutches is still controlled according to initial control current and engagement torque. While the degree of clutch plate wear may not be particularly significant, for delicate transmission systems, significant jerk can still result when the transmission is shifted.
Taking the model of the popular wet gearbox as DQ250 as an example, a flow chart of the adaptive method of the DQ250 wet gearbox is shown in fig. 3, and the adaptive method of the DQ250 wet gearbox is used in the portable adaptive device shown in fig. 1.
Starting an automobile where a DQ250 type gearbox to be subjected to self-adaptation is located, enabling the automobile to keep an idle speed, keeping a hand brake of the automobile in a locking state, keeping a gear of the gearbox in a P gear, inserting an OBD interface of a portable self-adaptation device into the OBD interface of the automobile, establishing communication between the portable self-adaptation device and the gearbox of the automobile, and reading the type of the gearbox and the temperature of lubricating oil of the gearbox from a data stream.
Alternatively, the predetermined temperature range is 30 ℃ to 100 ℃.
If the gearbox model is DQ250 and the temperature of the gearbox lubricating oil is detected to be within 30-100 ℃, step 303 is executed.
If the type of the gearbox is detected to be not DQ250, or the temperature of the lubricating oil of the gearbox is detected not to be within 30-100 ℃, or the type of the gearbox is detected not to be DQ250 and the temperature of the lubricating oil of the gearbox is detected not to be within 30-100 ℃, an indicator lamp of the portable self-adaptive device is turned on and flickers; and the user turns off the automobile power supply according to the state of the indicator lamp and unplugs the OBD interface of the portable self-adaptive device.
And step 303, acquiring and storing the engaging distance and the engaging torque of the first clutch, and the interface distance and the engaging torque of the second clutch.
The MCU in the portable adaptive device sends 12 instructions to a TCU (Transmission Control Unit) of the automobile to obtain the engagement distance and the engagement torque of the first clutch, and the interface distance and the engagement torque of the second clutch, where the instructions are: 000431B 8005F; 000471B 8005F; 000431 BA 005F; 000431B 80060; 000471B 80060; 000431 BA 0060; 000431B 80073; 000471B 80073; 000431 BA 0073; 000431B 80074; 000471B 80074; 000431 BA 0074.
And the MCU stores the acquired engaging distance and engaging torque of the first clutch, and the acquired interface distance and engaging torque of the second clutch into the TF card.
A user can acquire the engaging distance and the engaging torque of the first clutch, the engaging distance and the engaging torque of the second clutch before the self-adaptive task is executed by the gearbox from the TF card, and the abrasion degree of the clutch plate is conveniently checked.
And step 304, sending a transmission tolerance adjusting instruction of the gearbox to the gearbox.
And the MCU in the portable self-adaptive device sends a transmission tolerance adjusting instruction of the gearbox to the TCU in the automobile, and the TCU executes the self-adaptation of the transmission tolerance of the gearbox according to the transmission tolerance adjusting instruction of the gearbox.
Specifically, the MCU in the portable self-adaptive device sends 3 instructions to a No. 61 channel of a TCU of the transmission, and controls the transmission case to perform self-adaptation of transmission tolerance of the transmission case; the instructions are as follows: 000431B 8003D; 000471B 8003D; 000431 BA 003D.
The MCU in the portable self-adaptive device waits for the TCU of the automobile to return feedback data.
Optionally, the first predetermined time range is 60 seconds.
If the MCU receives the feedback data within the first predetermined time range, step 306 is executed, and if the MCU does not receive the feedback data within the first predetermined time range, the indicator light of the portable adaptive device is turned on and blinks; and the user turns off the automobile power supply according to the state of the indicator lamp and unplugs the OBD interface of the portable self-adaptive device.
If it is detected that the feedback data is received within the first predetermined time range, step 306 is executed.
And step 306, sending a gearbox synchronous measuring point adjusting instruction to the gearbox.
And the MCU in the portable self-adaptive device sends a synchronous measurement point adjusting instruction of the gearbox to the TCU of the gearbox, and the TCU executes self-adaptation of the synchronous measurement point of the gearbox according to the synchronous measurement point adjusting instruction of the gearbox.
Specifically, the MCU sends 3 instructions to a No. 60 channel of the TCU, and controls the gearbox to execute self-adaptation of synchronous measurement points of the gearbox; the instructions are as follows: 000431B 8003C; 000471B 8003C; 000431 BA 003C.
The MCU waits for the TCU to return feedback data.
Optionally, the second predetermined time range is 60 seconds.
If the MCU receives the feedback data within the second predetermined time range, go to step 308, if the MCU does not receive the feedback data within the second predetermined time range, the indicator light of the portable adaptive device is turned on and the indicator light is flashing; and the user turns off the automobile power supply according to the state of the indicator lamp and unplugs the OBD interface of the portable self-adaptive device.
And step 308, sending an initialization setting instruction to the gearbox.
And the MCU in the portable self-adaptive device sends an initialization setting instruction to the TCU of the gearbox.
Specifically, the MCU sends 3 instructions to the No. 62 channel of the TCU, and the TCU executes the initialization setting of the gearbox according to the initialization setting instruction sent by the MCU; the instructions are as follows: 00431B 8003E; 000471B 8003E; 000431 BA 003E; or the MCU sends 3 instructions to the No. 67 channel of the TCU, and the TCU executes the initialization setting of the gearbox according to the initialization setting instruction sent by the MCU; the instructions are as follows: 000431B 80043; 000471B 80043; 000431 BA 0043.
Channel number 62 functions identically to channel number 67, and can be divided into 2 cases, as the firmware of the transmission control unit may be different.
Optionally, the third predetermined time range is 15 seconds.
If the MCU receives the feedback data within the third predetermined time range, step 310 is executed, and if the MCU does not receive the feedback data within the third predetermined time range, the indicator light of the portable adaptive device is turned on and blinks; and the user turns off the automobile power supply according to the state of the indicator lamp and unplugs the OBD interface of the portable self-adaptive device.
And step 310, sending a safety function numerical correction instruction to the gearbox.
And the MCU in the portable self-adaptive device sends a safety function numerical correction instruction to the TCU of the gearbox.
Specifically, the MCU sends 3 instructions to a No. 68 channel of the TCU, and the TCU corrects the safety function numerical value of the clutch according to the safety function numerical value correction instruction sent by the MCU and updates the safety function numerical value into a corrected value; the instructions are as follows: 000431B 80044; 000471B 80044; 000431 BA 0044.
The updated security function value is determined by the TCU.
And the MCU in the portable self-adaptive device sends a joint pressure numerical correction instruction to the TCU of the gearbox.
Specifically, the MCU sends 3 instructions to a channel 65 of the TCU, and the TCU corrects the engaging pressure value of the clutch according to the engaging pressure value correction instruction sent by the MCU and updates the engaging pressure value into a corrected value; the instructions are as follows: 000431B 80041; 000471B 80041; 000431 BA 0041.
The updated bonding pressure value is determined by the TCU.
And step 312, sending a steering self-adaptive numerical correction instruction to the gearbox.
And the MCU in the portable self-adaptive device sends a steering self-adaptive numerical correction instruction to the TCU of the gearbox.
Specifically, the MCU sends 3 instructions to a channel 63 of the TCU, and the TCU corrects the steering adaptive numerical value of the clutch according to the steering adaptive numerical value correction instruction sent by the MCU and updates the steering adaptive numerical value into a corrected value; the instructions are as follows: 000431B 8003F; 000471B 8003F; 000431 BA 003F.
The updated steering adaptation value is determined by the TCU.
The MCU in the portable adaptive device sends ESP (Electronic stability program) and cruise adaptive numerical correction commands to the TCU of the transmission.
Specifically, the MCU sends 3 instructions to a No. 69 channel of the TCU, the TCU corrects the ESP and cruise adaptive numerical values according to the ESP and cruise adaptive numerical value correction instructions sent by the MCU, and updates the ESP and cruise adaptive numerical values into corrected values; the instructions are as follows: 000431B 80045; 000471B 80045; 000431 BA 0045.
The updated ESP and cruise adaptive values are determined by the TCU.
And step 314, after the self-adaptive process of the gearbox is finished, controlling the indicator lamp to be normally on and controlling the buzzer to sound for a long time.
The MCU in the portable self-adaptive device controls the indicator light to be on constantly and controls the buzzer to sound for a long time.
In the case of a portable adaptive device for adapting a wet transmission of a vehicle, the clutch of the vehicle is engaged several times, accompanied by slight movements of some actuators.
It should be noted that: the above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. An adaptive method for a popular wet-type dual-clutch transmission is characterized by being applied to a portable adaptive device, wherein the portable adaptive device comprises a DC/DC module, an MCU module, a CAN communication module, an OBD interface and a TF card slot; the MCU module is respectively connected with the DC/DC module, the CAN communication module and the TF card slot; the DC/DC module is connected with the OBD interface and the TF card slot; the CAN communication module is connected with the OBD interface;
the method comprises the following steps:
acquiring the type of a gearbox and the temperature of lubricating oil of the gearbox;
detecting whether the type of the gearbox is a preset type or not and whether the temperature of lubricating oil of the gearbox is within a preset temperature range or not;
if the type of the gearbox is detected to be a preset type and the temperature of the lubricating oil of the gearbox is detected to be in a preset temperature range, acquiring and storing the engaging distance and the engaging torque of the first clutch, and the engaging distance and the engaging torque of the second clutch;
sending a plurality of self-adaptive instructions to a gearbox according to a preset sequence and rules, wherein the self-adaptive instructions comprise a gearbox transmission tolerance adjusting instruction, a gearbox synchronous measuring point adjusting instruction, an initialization setting instruction, a clutch joint pressure numerical correction instruction, a safety function numerical correction instruction, a steering self-adaptive numerical correction instruction, an ESP (electronic stability program) and a cruise self-adaptive numerical correction instruction;
the transmission tolerance adjusting instruction of the gearbox is used for controlling the gearbox to perform self-adaptation of transmission tolerance of the gearbox;
the gearbox synchronous measuring point adjusting instruction is used for controlling the gearbox to perform self-adaptation of the gearbox synchronous measuring point;
the initialization setting instruction is used for controlling the gearbox to carry out initialization setting;
the clutch engaging pressure numerical correction command is used for controlling the gearbox to correct and update the clutch engaging pressure numerical value;
the safety function numerical value correction instruction is used for controlling the gearbox to correct and updating the safety function numerical value;
the steering self-adaptive numerical correction instruction is used for controlling the gearbox to correct and updating the steering self-adaptive numerical value;
the ESP and cruise adaptive numerical correction command is used for controlling correction of the gearbox and updating the ESP and cruise adaptive numerical correction;
when the preset model is DQ250, the sending a plurality of adaptive commands to the gearbox according to the preset sequence and the preset rules comprises:
sending a transmission tolerance adjustment instruction of the gearbox to the gearbox;
detecting whether feedback data are received or not within a first preset time range, wherein the feedback data are sent by a gearbox;
if the feedback data is detected to be received in the first preset time, sending a synchronous measuring point adjusting instruction of the gearbox to the gearbox;
detecting whether feedback data is received within a second preset time range;
if the feedback data are detected within a second preset time range, an initialization setting instruction is sent to the gearbox;
detecting whether feedback data is received within a third preset time range;
if the feedback data are detected within a third preset time range, a safety function numerical correction instruction is sent to the gearbox;
sending a clutch engaging pressure numerical correction command to the gearbox; sending a steering self-adaptive numerical correction instruction to the gearbox;
and sending ESP and cruise adaptive numerical correction commands to the gearbox.
2. The adaptive method according to claim 1, wherein the portable adaptive device further comprises an indicator light and a buzzer, the MCU module is respectively connected with the indicator light and the buzzer, and the DC/DC module is respectively connected with the indicator light and the buzzer;
the method further comprises the following steps:
and after the self-adaptive process of the gearbox is finished, controlling the indicator lamp to be normally on and controlling the buzzer to sound for a long time.
3. The adaptive method according to claim 1, wherein the portable adaptive device is connected to a gearbox via an OBD interface before the model of the gearbox and the temperature of the gearbox oil are obtained;
the automobile where the gearbox is located is started and keeps idling operation, a hand brake of the automobile is in a locking state, and the gear of the gearbox is P gear.
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| CN201811512105.XA CN109723816B (en) | 2018-12-11 | 2018-12-11 | Self-adaptive method for public wet type double-clutch gearbox |
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| CN201811512105.XA CN109723816B (en) | 2018-12-11 | 2018-12-11 | Self-adaptive method for public wet type double-clutch gearbox |
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| CN109723816B true CN109723816B (en) | 2020-04-28 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6253140B1 (en) * | 1999-08-04 | 2001-06-26 | Ford Global Technologies, Inc. | Engagement control logic for an automatic transmission clutch with adaptive engagement feel |
| CN101036008A (en) * | 2004-04-05 | 2007-09-12 | 赫尔曼-哈根迈尔Getrag传动机构和齿轮工厂有限公司&两合公司 | Gear-shifting optimization method and corresponding control unit |
| CN102777590A (en) * | 2011-05-11 | 2012-11-14 | 通用汽车环球科技运作有限责任公司 | Apparatus and method for operating a clutch in a transmission |
| CN102966730A (en) * | 2011-08-31 | 2013-03-13 | 通用汽车环球科技运作有限责任公司 | Adaptive control systems and methods for transmission solenoids |
| CN103124869A (en) * | 2010-09-24 | 2013-05-29 | Zf腓德烈斯哈芬股份公司 | Method for adapting a characteristic curve of clutches in a partial double-clutch transmission of a motor vehicle |
| CN104712684A (en) * | 2013-12-17 | 2015-06-17 | 现代自动车株式会社 | Clutch characteristic adjusting method for DCT |
| CN107989927A (en) * | 2017-12-06 | 2018-05-04 | 无锡职业技术学院 | The portable self-adapted device of the double clutch gearboxes of popular dry type |
| CN108708971A (en) * | 2018-05-25 | 2018-10-26 | 合肥工业大学 | A kind of wet dual clutch transmission half hitch chalaza determines method |
-
2018
- 2018-12-11 CN CN201811512105.XA patent/CN109723816B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6253140B1 (en) * | 1999-08-04 | 2001-06-26 | Ford Global Technologies, Inc. | Engagement control logic for an automatic transmission clutch with adaptive engagement feel |
| CN101036008A (en) * | 2004-04-05 | 2007-09-12 | 赫尔曼-哈根迈尔Getrag传动机构和齿轮工厂有限公司&两合公司 | Gear-shifting optimization method and corresponding control unit |
| CN103124869A (en) * | 2010-09-24 | 2013-05-29 | Zf腓德烈斯哈芬股份公司 | Method for adapting a characteristic curve of clutches in a partial double-clutch transmission of a motor vehicle |
| CN102777590A (en) * | 2011-05-11 | 2012-11-14 | 通用汽车环球科技运作有限责任公司 | Apparatus and method for operating a clutch in a transmission |
| CN102966730A (en) * | 2011-08-31 | 2013-03-13 | 通用汽车环球科技运作有限责任公司 | Adaptive control systems and methods for transmission solenoids |
| CN104712684A (en) * | 2013-12-17 | 2015-06-17 | 现代自动车株式会社 | Clutch characteristic adjusting method for DCT |
| CN107989927A (en) * | 2017-12-06 | 2018-05-04 | 无锡职业技术学院 | The portable self-adapted device of the double clutch gearboxes of popular dry type |
| CN108708971A (en) * | 2018-05-25 | 2018-10-26 | 合肥工业大学 | A kind of wet dual clutch transmission half hitch chalaza determines method |
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