CN113702028B - Real and virtual combined full-automatic gearbox testing system and method - Google Patents
Real and virtual combined full-automatic gearbox testing system and method Download PDFInfo
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- CN113702028B CN113702028B CN202110793638.5A CN202110793638A CN113702028B CN 113702028 B CN113702028 B CN 113702028B CN 202110793638 A CN202110793638 A CN 202110793638A CN 113702028 B CN113702028 B CN 113702028B
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000306 component Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
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- 230000009977 dual effect Effects 0.000 description 1
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- 239000010705 motor oil Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
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Abstract
The invention discloses a full-automatic gearbox testing system and method with real virtual combination, comprising the following steps: the real test assembly comprises a main control machine, a main control board and a CAN transceiver, wherein the real test assembly comprises a gearbox assembly, a motor and a frequency converter, the main control board is connected with the gearbox assembly through the CAN transceiver to send virtual working condition information of the whole vehicle, and the main control machine is connected with the gearbox assembly through the CAN transceiver to collect real-time working data of the gearbox assembly and compare the working condition information with the real-time working data. Through the mode, the real and virtual combined full-automatic gearbox testing system and method disclosed by the invention have the advantages that the authenticity of the gearbox testing process and the accuracy of the result are improved through the combination of the real testing component and the virtual control component, the structure is simple, the testing operation is simple and convenient, and the testing cost and the skill requirements on operators are reduced.
Description
Technical Field
The invention relates to the technical field of gearbox testing, in particular to a real and virtual combined full-automatic gearbox testing system and method.
Background
With the concept of green development greatly promoted in the country in recent years, automobile remanufacturing technology and industry have been greatly developed, wherein an automatic gearbox is a core component of an automobile and plays an important role in automobile remanufacturing industry.
When the automatic gearbox is remanufactured, testing is needed, and the conventional automatic gearbox testing of the automobile is generally carried out in the following two modes:
Firstly, an automatic gearbox is installed on a whole vehicle to perform programming study, then the real vehicle runs normally, and corresponding fault codes are read by using diagnostic equipment, and then the fault codes are used for checking and overhauling, so that the mode is complex in test and installation, special installation and maintenance technicians are required for fault judgment, the efficiency is low, engine oil and gasoline are required to be replaced in the test process by using the real vehicle, the cost is high, a driver is required to master driving steps of various tests, and partial steps are easy to miss to cause incomplete test;
Secondly, after the modules related to the operation of the automatic gearbox in the whole vehicle are disassembled, the modules are connected by using a wire harness, the motor is used for replacing an engine to drag the gearbox, and diagnostic equipment is used for reading fault codes of all the modules to carry out manual judgment.
Disclosure of Invention
The invention mainly solves the technical problem of providing a real and virtual combined full-automatic gearbox testing system and method, which realize automatic testing of an automatic gearbox and improve the testing simplicity and structural accuracy.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a real virtual combined full-automatic gearbox testing system, comprising: the real test assembly comprises a main control machine, a main control board and a CAN transceiver, the real test assembly comprises a gearbox assembly, a motor and a frequency converter, the motor is rigidly connected with the gearbox assembly to drive the gearbox to operate, the frequency converter is connected with the motor to control the motor rotation speed, the main control board is connected with the frequency converter to send a rotation command, the main control board is connected with the gearbox assembly through the CAN transceiver to send working condition information of virtual whole vehicle operation, the main control machine is connected with the gearbox assembly through the CAN transceiver to collect real-time working data of the gearbox assembly, and the main control machine is connected with the main control board to compare the working condition information with the real-time working data.
In a preferred embodiment of the present invention, the main control board is an embedded main control board.
In a preferred embodiment of the invention, the motor is a direct current motor.
In a preferred embodiment of the present invention, the operating condition information includes engine speed, engine water temperature, accelerator pedal position sensor signal, brake pedal position sensor signal, ESP signal, cruise control signal, shift signal, and fault code.
In order to solve the technical problems, the invention adopts another technical scheme that: the full-automatic gearbox testing method with real virtual combination comprises the following steps:
Connecting the motor with the gearbox assembly so as to drive the gearbox through the motor;
According to version information of the gearbox, working condition information of the whole vehicle is virtualized by a main control board, the working condition information is transmitted to the gearbox assembly through a CAN transceiver, and then gears of the gearbox are adjusted through an embedded main control board, so that the gears are switched among a plurality of gears;
Transmitting a control signal to a frequency converter through an embedded main control board, controlling the rotating speed of a motor by the frequency converter, dragging a flywheel disc of a gearbox assembly to rotate, and performing upshift or downshift operation according to the working condition information of the whole vehicle virtually input by the embedded main control board;
The main control computer collects data flow returned by the gearbox assembly through the CAN transceiver, compares the data flow with working condition information and the rotating speed of the motor, judges the working state of each module of the gearbox, actively analyzes the working state of the gearbox, and outputs a test result after a fault is tested.
In a preferred embodiment of the present invention, the plurality of gears includes a P gear, an R gear, a D gear, and an N gear.
In a preferred embodiment of the present invention, each module of the gearbox comprises a pressure module, a temperature module and a gear module.
The beneficial effects of the invention are as follows: according to the full-automatic gearbox testing system and method with real virtual combination, the real testing component and the virtual control component are combined, so that the authenticity of the gearbox testing process and the accuracy of the result are improved, the structure is simple, the testing operation is simple and convenient, the testing cost and the skill requirement on operators are reduced, and the remanufacturing of the automatic gearbox is facilitated.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram of a real virtual combined full automatic transmission testing system according to a preferred embodiment of the present invention;
FIG. 2 is a flow chart of a true virtual combination full automatic transmission testing method.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
A full automatic transmission test system for building a true virtual combination as shown in fig. 1, comprising: the real test assembly comprises a gearbox assembly, a motor and a frequency converter, wherein the motor is rigidly connected with the gearbox assembly to drive the gearbox to operate, and the frequency converter is connected with the motor to control the motor rotation speed.
The virtual control assembly comprises a main control computer, a main control board and a CAN transceiver, wherein the main control board is connected with the frequency converter to send a rotation command, and the driving of the gearbox assembly is realized through a motor.
The main control board is connected with the gearbox assembly through the CAN transceiver to send virtual working condition information of the whole vehicle, and in the embodiment, the working condition information comprises engine rotating speed, engine water temperature, an accelerator pedal position sensor signal, a brake pedal position sensor signal, an ESP signal, a cruise control signal, a gear shifting signal and a fault code, and the working condition information CAN be correspondingly increased or decreased due to different types of automatic gearboxes.
The main control computer is connected with the gearbox assembly through the CAN transceiver to acquire real-time working data of the gearbox assembly, is connected with the main control board, compares working condition information with the real-time working data, judges whether each module, gear shifting mechanism and the like of the gearbox work normally, and obtains a test result.
A real and virtual combined full-automatic gearbox testing method comprises the following steps:
Connecting the motor with the gearbox assembly so as to drive the gearbox through the motor;
According to version information of the gearbox, working condition information of the whole vehicle is virtualized by a main control board and is transmitted to the gearbox assembly through a CAN transceiver, and then gears of the gearbox are adjusted through an embedded main control board so as to be switched among a plurality of gears, wherein the plurality of gears comprise a P gear, an R gear, a D gear and an N gear;
Transmitting a control signal to a frequency converter through an embedded main control board, controlling the rotating speed of a motor by the frequency converter, dragging a flywheel disc of a gearbox assembly to rotate, and performing upshift or downshift operation according to the working condition information of the whole vehicle virtually input by the embedded main control board;
the main control computer collects data flow returned by the gearbox assembly through the CAN transceiver, compares the data flow with working condition information and the rotating speed of the motor, judges the working state of each module of the gearbox, and actively analyzes the working state of the gearbox, and outputs a test result after a fault is tested, wherein each module of the gearbox comprises a pressure module, a temperature module and a gear module.
Examples:
taking the working principle of a popular DQ200 automatic gearbox as an example:
DQ200 automatic gearbox mainly consists of three major parts: the dual clutch module, the gearbox and the electromechanical control unit module, wherein:
The double clutch module comprises two sets of clutches, namely a K1 clutch close to an engine, and the other end of the double clutch module is a K2 clutch, wherein the two sets of clutches K1 and K2 are provided with independent driven parts, a pressing mechanism and an operating mechanism;
gear box: after power enters the gearbox body through the input shaft, transmission between gear sets is started, when the transmission is operated, one gear set is meshed, and when shifting is close to the gear, the next gear set is preselected, but at the moment, the clutch set is still in a separated state, at least one gear set is ensured to output power in the whole process, and therefore transmission interruption cannot be caused.
Electromechanical control unit module: the automatic control device mainly comprises two parts, namely a gearbox control computer and a valve body. Wherein the valve body contains: the hydraulic pump, the oil circuit board, the 8-way electromagnetic valve and the 2-way clutch lever; the gearbox control computer comprises: one path of temperature sensor, one path of oil pressure sensor, two paths of clutch sensors, three paths of rotating speed sensors and four paths of gear sensors.
From the working principle of the automatic gearbox, the conditions required for fully testing the automatic gearbox and working the automatic gearbox in various states are as follows: and the power control of the input shaft and the signal control of the operation of the electromechanical control unit.
Therefore, the embedded main control board is adopted to control the frequency converter of the direct current motor, so that the purpose of controlling the power of the input shaft is achieved, then control signals are input through the embedded main control board according to the data analyzed by the whole automobile, the gearbox is enabled to work in different states, all data streams of the gearbox during working are collected by the CAN transceiver, and comparison and analysis are carried out, so that the purpose of all detection of the whole gearbox is achieved.
The flow chart of the test is shown in figure 2, after the main control machine is started, the detection is started, the voltage of the gearbox is detected first, if normal, the version information of the gearbox is read, the configuration parameters are loaded, the historical fault code is read and cleared, if faults exist, the detection is failed, the abnormal information is output, and if no faults exist, the power supply of the gearbox is restarted;
The embedded main control board is utilized to send information such as engine rotating speed, brake pedal position and the like required by the work of the gearbox, the gearbox is driven to operate through a motor, the CAN signal returned by the main control machine through a gearbox assembly computer is compared with the signal sent by the embedded main control board, if the information is consistent, the detection is passed, if the information is inconsistent, the detection is not passed, and abnormal information is output.
In conclusion, the full-automatic gearbox testing system and method with real and virtual combination, disclosed by the invention, adopt a real and virtual combination mode to realize automatic testing of an automatic gearbox, improve the accuracy of a testing structure and reduce the testing cost.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present invention or by other related art, either directly or indirectly, are intended to be included within the scope of the invention.
Claims (3)
1. The full-automatic gearbox testing method based on the real virtual combination is characterized by adopting a full-automatic gearbox testing system based on the real virtual combination, wherein the full-automatic gearbox testing system based on the real virtual combination comprises the following steps: the intelligent control system comprises a real test assembly and a virtual control assembly, wherein the virtual control assembly comprises a main control machine, an embedded main control board and a CAN transceiver, the real test assembly comprises a gearbox assembly, a motor and a frequency converter, the motor is rigidly connected with the gearbox assembly to drive the gearbox to operate, the frequency converter is connected with the motor to control the rotating speed of the motor, the embedded main control board is connected with the frequency converter to send a rotating command, the embedded main control board is connected with the gearbox assembly through the CAN transceiver to send virtual working condition information of the whole vehicle, the main control machine is connected with the gearbox assembly through the CAN transceiver to acquire real-time working data of the gearbox assembly, the main control machine is connected with the embedded main control board to compare the working condition information with the real-time working data, and the working condition information comprises an engine rotating speed, an engine water temperature, an accelerator pedal position sensor signal, an ESP signal, a cruise control signal, a gear shift signal and a fault code;
The real and virtual combined full-automatic gearbox testing method comprises the following steps of:
Connecting the motor with the gearbox assembly so as to drive the gearbox through the motor;
after the main control machine is started, starting detection, detecting the voltage of the gearbox, reading version information of the gearbox if the voltage is normal, loading configuration parameters, reading and clearing historical fault codes, detecting failure, outputting abnormal information if the fault exists, and restarting the power supply of the gearbox if the fault exists;
According to version information of the gearbox, working condition information of the whole vehicle is virtualized by an embedded main control board, the working condition information is transmitted to the gearbox assembly through a CAN transceiver, and then gears of the gearbox are adjusted through the embedded main control board, so that the gears are switched among a plurality of gears;
transmitting a control signal to a frequency converter through an embedded main control board, controlling the rotating speed of a motor by the frequency converter, dragging a flywheel disc of a gearbox assembly to rotate, and performing upshift or downshift operation according to the working condition information of the whole vehicle virtually input by the embedded main control board;
The main control computer collects data flow returned by the gearbox assembly through the CAN transceiver, compares the data flow with working condition information and the rotating speed of the motor, judges the working states of all modules of the gearbox, actively analyzes the working states of the gearbox, and outputs a test result after a fault is tested;
Each module of the gearbox comprises a pressure module, a temperature module and a gear module.
2. The true virtual combination full automatic transmission testing method of claim 1, wherein the plurality of gears includes P, R, D, and N.
3. The true virtual combination full automatic transmission testing method of claim 1, wherein the motor is a direct current motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110793638.5A CN113702028B (en) | 2021-07-14 | 2021-07-14 | Real and virtual combined full-automatic gearbox testing system and method |
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| CN202110793638.5A CN113702028B (en) | 2021-07-14 | 2021-07-14 | Real and virtual combined full-automatic gearbox testing system and method |
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| CN113702028B true CN113702028B (en) | 2024-05-10 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353535A (en) * | 2011-07-01 | 2012-02-15 | 重庆大学 | Low-power-consumption hardware-in-loop test platform and method for stepless speed changer of vehicle |
| CN102564756A (en) * | 2010-12-31 | 2012-07-11 | 中国科学院沈阳自动化研究所 | Automobile transmission vibration analysis testing method and device |
| CN103885380A (en) * | 2014-03-07 | 2014-06-25 | 洛阳理工学院 | Measurement and control system for comprehensive test bed of tractor clutch assembly |
| CN104214329A (en) * | 2014-08-30 | 2014-12-17 | 吉林大学 | Virtual diagnosis system and method for automatic transmission |
| CN104950879A (en) * | 2015-06-30 | 2015-09-30 | 吉林大学 | Common control platform for automotive transmission system |
| CN105973591A (en) * | 2016-07-18 | 2016-09-28 | 上海索达传动机械有限公司 | Gearbox test system |
| CN106053091A (en) * | 2016-02-02 | 2016-10-26 | 北京理工大学 | Power cabin comprehensive testing device and testing method based on virtual scene |
| CN107121281A (en) * | 2017-05-31 | 2017-09-01 | 安徽国防科技职业学院 | Gearbox emulation test system |
| CN112491324A (en) * | 2020-11-02 | 2021-03-12 | 盛瑞传动股份有限公司 | Motor control integrated system for transmission testing rack |
-
2021
- 2021-07-14 CN CN202110793638.5A patent/CN113702028B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564756A (en) * | 2010-12-31 | 2012-07-11 | 中国科学院沈阳自动化研究所 | Automobile transmission vibration analysis testing method and device |
| CN102353535A (en) * | 2011-07-01 | 2012-02-15 | 重庆大学 | Low-power-consumption hardware-in-loop test platform and method for stepless speed changer of vehicle |
| CN103885380A (en) * | 2014-03-07 | 2014-06-25 | 洛阳理工学院 | Measurement and control system for comprehensive test bed of tractor clutch assembly |
| CN104214329A (en) * | 2014-08-30 | 2014-12-17 | 吉林大学 | Virtual diagnosis system and method for automatic transmission |
| CN104950879A (en) * | 2015-06-30 | 2015-09-30 | 吉林大学 | Common control platform for automotive transmission system |
| CN106053091A (en) * | 2016-02-02 | 2016-10-26 | 北京理工大学 | Power cabin comprehensive testing device and testing method based on virtual scene |
| CN105973591A (en) * | 2016-07-18 | 2016-09-28 | 上海索达传动机械有限公司 | Gearbox test system |
| CN107121281A (en) * | 2017-05-31 | 2017-09-01 | 安徽国防科技职业学院 | Gearbox emulation test system |
| CN112491324A (en) * | 2020-11-02 | 2021-03-12 | 盛瑞传动股份有限公司 | Motor control integrated system for transmission testing rack |
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