CN111638700A - Automobile active air intake grille motor function test method and storage medium - Google Patents
Automobile active air intake grille motor function test method and storage medium Download PDFInfo
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- CN111638700A CN111638700A CN202010323254.2A CN202010323254A CN111638700A CN 111638700 A CN111638700 A CN 111638700A CN 202010323254 A CN202010323254 A CN 202010323254A CN 111638700 A CN111638700 A CN 111638700A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
Abstract
The invention discloses a method for testing the function of an automobile active air intake grille motor and a storage medium, wherein the method comprises the following steps: the grid motor running position requirement of real working conditions is achieved through the grid motor simulation station, the macro script is created after the function test is carried out on the simulation grid motor station, the macro script comprises a grid motor number writing and reading script, a position automatic calibration function script and a position control function script, the macro script is subjected to test flow division and is displayed and executed through a touch screen page, and automatic test control, visual test flow monitoring and convenient auxiliary control of a multi-point touch screen are provided for different test functions of the active grid motor.
Description
Technical Field
The invention relates to the technical field of air inlet grilles in automobile engine cabins, in particular to a method for testing functions of an automobile active air inlet grille motor and a storage medium.
Background
The active air inlet grille usually comprises a grille motor controller, an actuating motor, a connecting piece and grille blades, wherein LIN bus communication is adopted between the controller and the grille motor, the controller is used as a LIN bus master node, and the grille motor is used as a LIN slave node. The grid motor controller (VCU) is mainly responsible for communication control, position calibration, position control and the like of the motor. The grid motor is an execution component, and is linked with the grid blades through a connecting piece to realize the opening and closing actions of the grid blades, and the opening and closing positions of the grid blades usually have a rotation range of 0-90 degrees corresponding to the rotation range of the grid motor. The grid motor is used as an execution component, in the actual mass production and application process, the state of the motor which is opened and closed along with the control information of the grid motor controller is switched to a standard working mode belonging to the motor, before the grid motor controller enters the standard working mode, the controller is required to write the motor serial number and calibrate the position of 90-degree range rotation of the motor, and whether the writing and the calibration are successful is checked. The motor number is not written in and the motor is not calibrated in the motor which is just produced, and particularly, the motors in large batches in mass production need to be written in and calibrated one by one.
One of the existing grid motor function test methods is to place a motor on an automobile test bench and connect a real grid motor controller for function test, although the test method can perform function test in an almost real automobile environment, the method needs to build a test bench with higher cost, and simultaneously needs to additionally program the grid motor controller to enter a motor debugging mode, particularly in the motor mass production stage, a large batch of motors need to be tested, which undoubtedly increases the work burden of the grid motor controller and consumes longer working hours.
In another method, a grid motor is tested by adopting a grid motor controller simulator, but the position calibration is usually carried out by manually blocking the blade, so that the position calibration is easy to be inaccurate, the repeated calibration causes the test working hours to be prolonged by multiple times, and the time and labor are wasted.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a low-cost test platform to replace an automobile test bench, and simultaneously provides visual test flow monitoring and convenient auxiliary control of a multi-point touch screen for different test functions of an active grid motor by utilizing a grid motor controller simulator and a PLC + HMI integrated controller.
The purpose of the invention is realized by adopting the following technical scheme:
a function test method for an automobile active air inlet grille motor comprises the following steps:
step1, simulating the real grille motor station of the automobile.
Step 2: and after the function test is carried out on the station of the simulation grid motor, a macro script is created, wherein the macro script comprises a grid motor number writing and reading script, a position automatic calibration function script and a position control function script.
And step 3: and dividing the test flow of the macro script, and presenting and executing the test flow through a touch screen page.
Further, the functional test and the macro script creation adopt a Baby-LIN-RM-II controller.
Further, the grid motor number writing and reading script includes a communication writing operation of starting the diagnostic schedule to run the diagnostic grid motor and a reset grid motor writing operation.
Further, the location automatic calibration function script comprises the following steps:
the first step is as follows: resetting a position calibration signal;
the second step is that: starting calibration, wherein the middle shaft guide rod rotates clockwise along with the motor, the middle shaft guide rod touches the stop lever to block the motor from rotating, and a calibration signal is 1 at the moment and is used for marking the angular position of the motor 0; and if the shaft guide rod does not touch the stop lever in the second step, namely the calibration signal is not equal to 1, returning to the first step and restarting.
The third step: setting the calibration signal to be 0, and waiting for the next calibration sequence;
the fourth step: the middle shaft guide rod rotates anticlockwise along with the motor, and the middle shaft guide rod can block the motor from rotating when touching the other stop lever and is used for marking the 90-degree position of the motor; and at the moment, observing whether the value of the feedback signal is 0, if so, finishing the position calibration, otherwise, automatically returning to the first step for calibration until the signal is set to 0.
Further, the grid motor position control function script specifically controls the rotation angle of the motor by assigning a motor rotation control signal.
Further, the touch screen page adopts a PLC + HMI integrated controller.
Further, the flow dividing includes:
"test procedure 1: motor number writing "," test flow 2: motor calibration "," test flow 3: motor control ".
A computer storage medium, the computer program is executed by a processor to realize the function test method of the automobile active air intake grille motor.
Compared with the prior art, the invention has the beneficial effects that: the visual automatic test platform with low cost, modularized test scripts and more efficient test process is provided for the function test of the active air intake grille of the automobile.
Drawings
Fig. 1 is a schematic structural diagram of the overall method according to the embodiment of the present invention.
Fig. 2 is a schematic diagram of a grid motor simulation station according to an embodiment of the invention.
FIG. 3 is a flow chart illustrating a motor number writing and reading script according to an embodiment of the present invention.
Fig. 4 is a functional diagram of an automatic location calibration script according to an embodiment of the present invention.
FIG. 5 is a functional diagram of a location control script according to an embodiment of the present invention.
FIG. 6 is a schematic diagram of a macro script flow control interface according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, and it should be noted that, in the premise of no conflict, the following described embodiments or technical features may be arbitrarily combined to form a new embodiment:
the method for testing the function of the motor of the active air intake grille of the automobile as shown in figures 1-6 comprises the following steps:
step 1: simulating a real grille motor station of the automobile, wherein in one embodiment, as shown in fig. 2, according to the position relation between the rotation position of a central shaft of the motor and the real grille motor, when the central shaft guide rod rotates to a stop lever of 0 degree, a grille blade corresponding to the real motor is completely closed; when the middle shaft guide rod rotates to the stop lever of 90 degrees, the grille blade corresponding to the real motor is completely opened. Repeated tests prove that the grid motor simulation station meets the test requirements of the real running position of the automobile grid motor.
Step 2: and after the function test is carried out on the station of the simulation grid motor, a macro script is created, wherein the macro script comprises a grid motor number writing and reading script, a position automatic calibration function script and a position control function script. In the embodiment, the function test and the macro script creation adopt a Baby-LIN-RM-II controller and a Baby-LIN-RM-II controller, wherein the controller has one LIN function and can simulate a master node function, support LIN bus protocol versions V1.2 to V2.2, support importing of LDF files, support macro script editing by LIN message instructions, and realize block programming of a motor number writing function, a position calibration function and a motor opening and closing function of an active grid motor, and support digital input and output event state triggering by macro scripts, and can control the digital input event state of the Baby-LIN-RM-II through a digital output signal of a PLC (programmable logic controller), so that the Baby-LIN-RM-II executes different LIN instructions, and the function test of the grid motor is realized.
The motor number writing and reading script is shown in fig. 3, the macro script of the motor number writing and reading script is WriteNewID _03AGM1, and the motor number of the grid motor is set to 0x 01. The process is as follows: the Baby-LIN-RM-II starts the diagnosis schedule table to operate the communication of the diagnosis grid motor and starts the writing operation of the motor number, a 0x3C message ID is edited in the macro script, the function code in the corresponding data is set to be 0xE4 to indicate that the writing of the motor number is requested, and the AGS _ number is the motor number. After a delay of 60 milliseconds, the grid motor responds to the request and feeds back the current motor number through 0x3D, and the motor number writing operation is completed after the grid motor is reset.
As shown in fig. 4, according to the calibration process of the grid motor, the grid motor position calibration macro script "AGS 1_ Auto _ Cali" in Baby-LIN-RM-II is written as follows:
1) the first step is as follows: operating Step1, resetting the position calibration signal;
2) the second step is that: operating Step2, starting calibration, enabling the middle shaft guide rod to rotate clockwise along with the motor, enabling the middle shaft guide rod to touch the stop lever to block the motor from rotating, and enabling AGS1_ actual _ blocked to be 1 at the moment, wherein the AGS1_ actual _ blocked is used for marking the angle position of 0 degree of the motor; if the second step the axis guide has not completed reaching the stop lever, i.e. AGS1_ actual _ blocked is not equal to 1, it is just started again with the first step.
3) The third step: operating Step3, setting the calibration signal to 0, and waiting for the next calibration sequence;
4) the fourth step: when the Step4 is operated, the middle shaft guide rod rotates anticlockwise along with the motor, and the middle shaft guide rod contacts with the other stop lever to block the motor from rotating and is used for marking the angle position of the motor 90; at this time, it is observed that the value of the feedback signal "AGS 1_ Calibration _ indicated" is 0, the position Calibration is completed, if the value is not 0, the position Calibration is not completed, and the first step of Calibration is automatically skipped until the signal is set to zero.
As shown in fig. 5, the Position control function script assigns a motor rotation control signal AGS1_ Position _ request to control the motor rotation angle according to the value relationship between the motor rotation angle and the motor rotation control signal designed by the grid motor manufacturer.
And binding the control macro script of the grid motor with the digital input combination of the Baby-LIN-RM-II to form a digital input state, and waiting for the digital output trigger of the PLC and HMI integrated controller.
And step 3: dividing the test flow of the macro script, and presenting and executing the test flow through a touch screen page, wherein in the embodiment, the test flow comprises the following steps: "test procedure 1: motor number writing "," test flow 2: motor calibration "," test flow 3: and motor control ", the touch page adopts a PLC + HMI integrated controller, and the PLC + HMI integrated controller has an independent operation ladder diagram function and digital input and output modularization embedded programming, and provides automatic test control, visual test flow monitoring and convenient auxiliary control of a multi-point touch screen for different test functions of the active grid motor.
As shown in fig. 6, "test flow 1: and when the key is pressed down, the digital output of the PLC triggers the digital input of the Baby-LIN-RM-II, so that a macro script of the grid motor number writing function is executed, and an instruction is sent to the grid motor through an LIN channel of the Baby-LIN-RM-II, so that the motor number writing function is realized.
Wherein, the test flow 1: the button of motor number write corresponds to output digitalloutputs _0 ═ 1, i.e. the output digital signal value is 1, and at the same time triggers the motor number write macro script "WriteNewID _03AGM 1" of Baby-LIN-RMI-II.
"test procedure 2: and in the motor calibration' area, the key function is linked with the digital output in the PLC, when the automatic calibration key is pressed, the digital output of the PLC triggers the digital input of the Baby-LIN-RM-II, so that a macro script of the grid motor position calibration function is executed, and an instruction is sent to the grid motor through an LIN channel of the Baby-LIN-RM-II, so that the motor position calibration is realized. When the position calibration is successful, the 'position calibration indicator lamp' can light the green lamp, otherwise, the green lamp is gray, and the calibration key needs to be pressed again for calibration.
The calibration key correspondingly Outputs Digital Outputs _1 and Digital Outputs _0 to 1, namely the combined output Digital signal value is 3, and simultaneously triggers a motor calibration macro script 'AGS 1_ Auto _ Cali' of Baby-LIN-RMI-II.
"test procedure 3: and in the motor control area, the motor position control is completed in two steps. In the first step, the rotation angle is set, and the rotation angle required can be selected through a check box, wherein a position text of 0-90 degrees is set in the check box and corresponds to the digital input value and the position setting of the grid motor.
Wherein set up with "grid motor angle: for example, the output Digital Outputs _0 and 1, Digital Outputs _1 and 2 and Digital Outputs _3 and 1 are combined to output a Digital signal value of 9, and a motor calibration macro script "Set _ AGS _ position _ 6" of Baby-LIN-RMI-II is triggered.
The invention also provides a computer storage medium on which a computer program is stored, in which the method of the invention, if implemented in the form of software functional units and sold or used as a stand-alone product, can be stored. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer storage medium and used by a processor to implement the steps of the embodiments of the method. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer storage medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer storage media may include content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer storage media that does not include electrical carrier signals and telecommunications signals as subject to legislation and patent practice.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (8)
1. A method for testing the function of an automobile active air inlet grille motor is characterized by comprising the following steps:
simulating a real grille motor station of an automobile;
step 2: after performing function test on a station of an analog grid motor, creating a macro script, wherein the macro script comprises a grid motor number writing and reading script, a position automatic calibration function script and a position control function script;
and step 3: and dividing the test flow of the macro script, and presenting and executing the test flow through a touch screen page.
2. The method for testing the function of the motor of the active grille shutter of the automobile as claimed in claim 1, wherein: the functional test and the macro script creation adopt a Baby-LIN-RM-II controller.
3. The method as claimed in claim 2, wherein the grill motor number writing and reading script includes a communication writing operation for starting the diagnosis schedule to run the diagnosis grill motor and a reset grill motor writing operation.
4. The method for testing the functions of the motor of the active grille shutter of the automobile as claimed in claim 2, wherein the position automatic calibration function script comprises the following steps:
the first step is as follows: resetting a position calibration signal;
the second step is that: starting calibration, wherein the middle shaft guide rod rotates clockwise along with the motor, the middle shaft guide rod touches the stop lever to block the motor from rotating, and a calibration signal is 1 at the moment and is used for marking the angular position of the motor 0; if the middle shaft guide rod does not touch the stop lever in the second step, namely the calibration signal is not equal to 1, returning to the first step and restarting;
the third step: setting the calibration signal to be 0, and waiting for the next calibration sequence;
the fourth step: the middle shaft guide rod rotates anticlockwise along with the motor, and the middle shaft guide rod can block the motor from rotating when touching the other stop lever and is used for marking the 90-degree position of the motor; at the moment, observing whether the value of the feedback signal is 0, if so, finishing the position calibration; otherwise, automatically jumping back to the first step for calibration until the signal is set to 0.
5. The method for testing the function of the motor of the active grille shutter of the automobile as claimed in claim 2, wherein: the grid motor position control function script specifically controls the motor rotation angle by assigning a motor rotation control signal.
6. The method for testing the motor function of the active grille shutter of the automobile as claimed in claim 1, wherein the touch screen page adopts a PLC + HMI integrated controller.
7. The method for testing the motor function of the active grille shutter of the automobile as claimed in claim 1, wherein the process division includes:
"test procedure 1: motor number writing "," test flow 2: motor calibration "," test flow 3: motor control ".
8. A computer storage medium having a computer program stored thereon, wherein the computer program is executed by a processor to implement the method for testing the function of an active grille shutter for a vehicle according to any one of claims 1 to 7.
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| CN202010323254.2A CN111638700B (en) | 2020-04-22 | 2020-04-22 | Automobile active air intake grille motor function test method and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113189966A (en) * | 2021-04-30 | 2021-07-30 | 麦格纳汽车外饰系统(上海)有限公司 | Driver test system based on Baby-LIN-RM-II |
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