CN118139106A - Automatic testing method for wireless communication of automobile and machine - Google Patents
Automatic testing method for wireless communication of automobile and machine Download PDFInfo
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- CN118139106A CN118139106A CN202410291661.8A CN202410291661A CN118139106A CN 118139106 A CN118139106 A CN 118139106A CN 202410291661 A CN202410291661 A CN 202410291661A CN 118139106 A CN118139106 A CN 118139106A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40169—Flexible bus arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/06—Generation of reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/14—Arrangements for monitoring or testing data switching networks using software, i.e. software packages
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
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Abstract
The invention belongs to the automobile manufacturing industry, and particularly relates to an automatic testing method for wireless communication of an automobile machine. The invention establishes a virtual IO control model on the simulator, and connects the virtual bus signal with the IVI controller through the real-time interface to form a loop, thereby completing IVI function and diagnosis simulation test. And the secondary development is carried out by combining with a Labview tool, so that the touch simulation of the manipulator, the ADB touch simulation and the image recognition test are completed, and a complete automatic test scheme for man-machine interaction verification is realized. The invention realizes the full-automatic simulation test of the wireless connection between the automobile machine and the mobile phone; the invention can solve the problems of high manual testing cost, low efficiency, difficult complex scene testing and the like in the wireless connection pressure test of the automobile and the machine, ADB clicking and image recognition can reach the ms-level precision, log of the test can be automatically stored, a test report can be given, and the analysis of the problem and the capture of the occasional problem are accurate and efficient.
Description
Technical Field
The invention belongs to the automobile manufacturing industry, and particularly relates to an automatic testing method for wireless communication of an automobile machine.
Background
The existing Bluetooth and WIFI tests of the vehicle-mounted device (IVI) are basically performed by manually clicking the vehicle-mounted device or testing, and the time delay of the connection of the mobile phone and the vehicle-mounted device cannot be determined when the manual test is performed firstly; moreover, the sporadic problems of accidental failure of some connections, such as Bluetooth connection failure, unstable WIFI signals and the like, are difficult to capture; in addition, no bus LOG data exists during the wireless connection of operation, the display of a car watching machine and a mobile phone is needed at the same time, the problem of failure due to missed detection is easy, and certain limitation is achieved; finally, bluetooth and WIFI test of present car machine (IVI) mainly relies on the manual work to click the button of operation car machine interface, and manual check car machine shows, wastes time and energy, can't realize bluetooth and WIFI test wireless signal full automatization detection, inefficiency.
Disclosure of Invention
According to the invention, based on human-computer interaction and environment simulation consideration of navigation, ADB simulation, human-computer simulation and image recognition technology are combined, so that full-automatic simulation test of automobile cabin navigation in laboratory environment is realized; the invention can solve the problems of high cost, low efficiency and the like of manual testing, the image and sound bus acquisition and recognition can reach the ms-level precision, log of the test can be automatically stored, a test report can be given, and the analysis of the problems and the capture of occasional problems are accurate and efficient. The specific technical scheme is as follows:
An automatic test method for wireless communication of an automobile and a machine comprises the following steps: the method comprises the following steps:
Step one: building a human-computer simulation HIL automatic test environment, wherein the test environment mainly comprises an HIL test cabinet, an HIL test rack, an ADB control system, a manipulator system, a voice recognition system, an image recognition system, vector diagnosis equipment and an automobile-computer (IVI) controller; the PC host integrates automatic simulation system software, including CANoe, vTESTstudio and Labview auxiliary software;
Step two: the HIL test rack is connected with the HIL cabinet through the IO channel, and is used for connecting the IO board card with the industrial personal computer to provide a power-on control component of the vehicle; the vehicle-mounted device is opened in an ADB mode, a mobile phone end enters a developer mode, USB debugging is checked, USB configuration is selected for USB Ethernet, and the mobile phone is connected with an industrial personal computer and a PC through USB; in a CANoe system, controlling a load control type according to an automobile engine (IVI), and establishing a switch control model, a digital quantity control model, an analog quantity control model and a PWM control model, wherein a bus protocol model comprises protocol driving modules; the IO model comprises input and output signals, and the input signals acquire actual driving information of the IVI control load; the output signal is output to the IC & IVI control module, the analog switch and the sensor resistance signal; compiling after the model is established, and establishing a corresponding relation between the compiled variable description file and a real-time model operated on the simulator, so that the aim of simulating by an upper computer control signal is fulfilled, and the compiled file is loaded to a vTESTstudio system for software control and calling of the control signal;
Step three: performing secondary development of human-computer interaction simulation of ADB touch/images based on Labview software, wherein a developed human-computer simulation platform integrates an industrial camera and an ADB radio frequency module, and a human-computer simulation control system develops simulation analysis control comprising IVI image acquisition and recognition and human hand simulation touch; the method also comprises the steps of developing test debugging and management software, debugging a test control path according to a software control strategy, establishing a Bluetooth icon parameter library and a WIFI icon parameter library, and realizing test management and debugging; transmitting vTESTstudio the debugged icon parameters to the system;
Step four: writing a control model and a parameter function of IVI in vTESTstudio system, and developing an automatic test script according to IVI software control strategy; compiling after the automatic test script is written, and writing the generated automatic script file (vtuexe) into a CANoe automatic test script running module;
Step five: under the CANoe automatic test module, according to the Bluetooth and WIFI control strategy and the automatic script in the fourth step, an ADB manipulator operation function is called, pairing of a mobile phone and a car machine is simulated, and Bluetooth and WIFI icons are clicked; and then calling an image recognition function, judging whether the navigation path is matched with coordinates and graphic parameters defined by a navigation icon parameter library through image recognition, and passing a Bluetooth connection test after the matching is accurate.
Further, the protocol driving module in the second step is a CAN transceiver driving module and a LIN module.
Further, in the fourth step, the automatic test script development specifically includes: the IVI wireless signal connection control automatic test sequence clicks the mobile phone hot spot according to the control strategy; the camera collects and detects the connection state of IVI; WIFI setting of a manipulator clicking car machine; comparing the collected vehicle broadcasting with a sound source defined by a voice library; and then, acquiring the UI hot spot display judgment icon switching of the vehicle and machine by using the camera, and completing the development of the automatic test script.
The invention also provides an automatic simulation test system for the automatic test method, which comprises an HIL test cabinet, an HIL test rack, a manipulator, a Labview image recognition system, CANoe diagnostic equipment, a GNSS simulator, an Instrument (IC) and an automobile (IVI) controller.
Further, the HIL test cabinet comprises an industrial personal computer, a board card and a programmable power supply.
Further, the HIL test stand includes a control load, a wire harness, and an industrial camera.
The invention combines the real controller with IO line simulation and man-machine interaction simulation test by using man-machine simulation test technology, establishes a virtual IO control model on the simulator, and connects the virtual bus signal with the IVI controller through a real-time interface to form a loop so as to complete IVI function and diagnosis simulation test. And the secondary development is carried out by combining with a Labview tool, so that the touch simulation of the manipulator, the ADB touch simulation and the image recognition test are completed, and a complete automatic test scheme for man-machine interaction verification is realized. Practice proves that the automatic test system applying IVI wireless communication shortens development time, improves software quality of an IVI controller while reducing after-sales problems and recall risks. Plays an important role in the development test and evaluation process of the IVI control system, solves the problems of difficult various complex logics and scenes in manual test, particularly the pressure test of wireless communication, saves the cost and improves the efficiency.
According to the invention, the automatic test script development platform of VTeststudio software and the automatic test operation analysis and management software platform based on CANoe are utilized to carry out secondary development of the Bluetooth and WIFI automatic test software of the vehicle and the aircraft, and the problems of single manual test scene, difficult complex test scene and low test efficiency are solved by combining the image recognition and voice recognition technology, so that the Bluetooth and WIFI automatic control simulation test of the vehicle and the aircraft of a laboratory is realized. Through deploying the automatic test environment of ADB on the upper computer of the test system, the interactive test between the mobile phone and the car machine is realized through the command of calling the ADB test by the automatic test software, the common functions (sliding, clicking and the like) of the ADB are realized in the automatic test software, and the functions can be packaged by Python or CAPL and called in an automatic test module. And (3) identifying and testing the coordinate parameters of Bluetooth and WIFI through Labview images, and determining the on and off of the automatic test Bluetooth and WIFI by utilizing the sound signal parameters of the on states of the Bluetooth and the WIFI of a vehicle-mounted (IVI), the coordinate parameters of the UI and the graphic parameters of the images.
Drawings
FIG. 1 is a schematic diagram of an automated test method according to the present invention;
FIG. 2 ADB is a touch function screenshot;
FIG. 3 is an automated test screenshot of a navigation path.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.
The invention provides an automatic automobile machine wireless communication test system based on ADB touch simulation and image and sound recognition, which mainly comprises an HIL test cabinet, an HIL test rack (automobile machine, wiring harness, industrial camera and the like), a manipulator, a Labview image recognition system, CANoe diagnostic equipment and an automobile machine (IVI) controller. The specific test steps are as follows:
Step one: and (3) building an HIL automatic test environment for human-computer simulation, wherein the test environment mainly comprises an HIL test cabinet (an industrial personal computer, a board card, a program-controlled power supply and the like), an HIL test rack, an ADB control system, a manipulator system, a voice recognition system, an image recognition system, vector diagnosis equipment and an automobile-computer (IVI) controller. The PC host integrates automatic simulation system software, including CANoe, vTESTstudio, labview and other auxiliary software. Such as the system control diagram of fig. 1.
Step two: the HIL test rack is connected with the HIL cabinet through the IO channel to realize the connection of the control load and the board card, and the IO board card is connected with the industrial personal computer to provide a power-on control component of the vehicle; the vehicle-mounted device needs to be opened in an ADB mode, the android mobile phone needs to enter a developer mode, USB debugging is checked, USB configuration is selected for USB Ethernet, and the mobile phone is connected with the industrial personal computer and the PC through USB. In the CANoe system, a switch control model, a digital quantity control model, an analog quantity control model, a PWM control model and the like are established according to the control load control type of a vehicle-mounted equipment (IVI), and a bus protocol model comprises protocol driving modules, such as a CAN transceiver driving module and a LIN module. The IO model comprises input and output signals, and the input signals acquire actual driving information of the IVI control load; the output signal is output to the IC & IVI control module, which simulates some switch and sensor resistance signals, etc. And compiling after the model is created, and establishing a corresponding relation between the compiled variable description file and a real-time model operated on the simulator, so that the aim of simulating by an upper computer control signal is fulfilled, and the compiled file is loaded to a vTESTstudio system for software control and calling of the control signal. Fig. 2 ADB touch function.
Step three: performing secondary development of human-computer interaction simulation of ADB touch/images based on Labview software, wherein a developed human-computer simulation platform integrates an industrial camera and an ADB radio frequency module, and a human-computer simulation control system develops IVI image acquisition and recognition and simulation analysis control of human hand simulation touch; meanwhile, test debugging and management software is developed, a test control path is debugged according to a software control strategy, a Bluetooth icon parameter library and a WIFI icon parameter library are established, and test management and debugging are realized. And sending vTESTstudio the debugged icon parameters to the system.
Step four: writing a control model and a parameter function of the IVI in the vTESTstudio system, and developing an automatic test script according to the IVI software control strategy. The initialization stage of the test script can define the precondition state of each test sequence, such as whether the IVI controller is electrified before the test, and the IVI wireless signal connection control automation test sequence is controlled according to a control strategy, namely: 1. ADB clicks the mobile phone hot spot; 2. the camera collects and detects the connection state of IVI; 3. WIFI setting of a manipulator clicking car machine; 4. comparing the collected vehicle broadcasting with a sound source defined by a voice library; 5. and then, acquiring the UI hot spot display judgment icon switching of the vehicle and machine by using the camera, and completing the development of the automatic test script. Compiling after the automatic test script is written, and writing the generated automatic script file (vtuexe) into the CANoe automatic test script running module.
Step five: under the CANoe automatic test module, according to the Bluetooth and WIFI control strategy and the automatic script in the fourth step, an ADB manipulator operation function is called, pairing of a mobile phone and a car machine is simulated, and Bluetooth and WIFI icons are clicked; and then calling an image recognition function, judging whether the navigation path is matched with coordinates and graphic parameters defined by a navigation icon parameter library through image recognition, and passing a Bluetooth connection test after the matching is accurate.
The invention combines the real controller with IO line simulation and man-machine interaction simulation test by using man-machine simulation test technology, establishes a virtual IO control model on the simulator, and connects the virtual bus signal with the IVI controller through a real-time interface to form a loop so as to complete IVI function and diagnosis simulation test. And the secondary development is carried out by combining with a Labview tool, so that the touch simulation of the manipulator, the ADB touch simulation and the image recognition test are completed, and a complete automatic test scheme for man-machine interaction verification is realized. Practice proves that the automatic test system applying IVI wireless communication shortens development time, improves software quality of an IVI controller while reducing after-sales problems and recall risks. Plays an important role in the development test and evaluation process of the IVI control system, solves the problems of difficult various complex logics and scenes in manual test, particularly the pressure test of wireless communication, saves the cost and improves the efficiency.
Taking connection of a test mobile phone hot spot as an example, the automatic system is in an IGN ON mode, an ADB (automatic digital broadcasting) simulation clicks a mobile phone flow switch ON an HIL rack, and the mobile phone hot spot switch is turned ON and waits for 1 s; the manipulator clicks the WIFI of the car machine, the manipulator long presses to enter the WIFI setting, and the mobile phone hot spot is clicked and connected; and acquiring and detecting text prompts and icons connected with the vehicle-mounted device, judging whether coordinates and graphic parameters defined in an icon parameter library successfully connected with the WIFI are matched through image recognition, and passing the test after the coordinates and graphic parameters are accurately matched. The following fig. 3 enables automated testing of navigation paths on an automated test platform for human-machine simulation.
While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.
Claims (6)
1. An automatic testing method for wireless communication of an automobile and a machine is characterized in that: the method comprises the following steps:
Step one: building a human-computer simulation HIL automatic test environment, wherein the test environment mainly comprises an HIL test cabinet, an HIL test rack, an ADB control system, a manipulator system, a voice recognition system, an image recognition system, vector diagnosis equipment and an automobile-computer (IVI) controller; the PC host integrates automatic simulation system software, including CANoe, vTESTstudio and Labview auxiliary software;
Step two: the HIL test rack is connected with the HIL cabinet through the IO channel, and is used for connecting the IO board card with the industrial personal computer to provide a power-on control component of the vehicle; the vehicle-mounted device is opened in an ADB mode, a mobile phone end enters a developer mode, USB debugging is checked, USB configuration is selected for USB Ethernet, and the mobile phone is connected with an industrial personal computer and a PC through USB; in a CANoe system, controlling a load control type according to an automobile engine (IVI), and establishing a switch control model, a digital quantity control model, an analog quantity control model and a PWM control model, wherein a bus protocol model comprises protocol driving modules; the IO model comprises input and output signals, and the input signals acquire actual driving information of the IVI control load; the output signal is output to the IC & IVI control module, the analog switch and the sensor resistance signal; compiling after the model is established, and establishing a corresponding relation between the compiled variable description file and a real-time model operated on the simulator, so that the aim of simulating by an upper computer control signal is fulfilled, and the compiled file is loaded to a vTESTstudio system for software control and calling of the control signal;
Step three: performing secondary development of human-computer interaction simulation of ADB touch/images based on Labview software, wherein a developed human-computer simulation platform integrates an industrial camera and an ADB radio frequency module, and a human-computer simulation control system develops simulation analysis control comprising IVI image acquisition and recognition and human hand simulation touch; the method also comprises the steps of developing test debugging and management software, debugging a test control path according to a software control strategy, establishing a Bluetooth icon parameter library and a WIFI icon parameter library, and realizing test management and debugging; transmitting vTESTstudio the debugged icon parameters to the system;
Step four: writing a control model and a parameter function of IVI in vTESTstudio system, and developing an automatic test script according to IVI software control strategy; compiling after the automatic test script is written, and writing the generated automatic script file (vtuexe) into a CANoe automatic test script running module;
Step five: under the CANoe automatic test module, according to the Bluetooth and WIFI control strategy and the automatic script in the fourth step, an ADB manipulator operation function is called, pairing of a mobile phone and a car machine is simulated, and Bluetooth and WIFI icons are clicked; and then calling an image recognition function, judging whether the navigation path is matched with coordinates and graphic parameters defined by a navigation icon parameter library through image recognition, and passing a Bluetooth connection test after the matching is accurate.
2. The automated testing method for wireless communication of automobile machines according to claim 1, wherein: the protocol driving module in the second step is a CAN transceiver driving module and a LIN module.
3. The automated testing method for wireless communication of automobile machines according to claim 1, wherein: in the fourth step, the development of the automated test script is specifically: the IVI wireless signal connection control automatic test sequence clicks the mobile phone hot spot according to the control strategy; the camera collects and detects the connection state of IVI; WIFI setting of a manipulator clicking car machine; comparing the collected vehicle broadcasting with a sound source defined by a voice library; and then, acquiring the UI hot spot display judgment icon switching of the vehicle and machine by using the camera, and completing the development of the automatic test script.
4. An automated simulation test system for use in an automated test method according to any of claims 1-3, wherein: the system comprises an HIL test cabinet, an HIL test bench, a manipulator, a Labview image recognition system, CANoe diagnostic equipment, a GNSS simulator and Instrument (IC) and an automobile-to-automobile (IVI) controller.
5. The automated simulation test system of claim 4, wherein: the HIL test cabinet comprises an industrial personal computer, a board card and a programmable power supply.
6. The automated simulation test system of claim 4, wherein: the HIL test stand includes a control load, a wire harness, and an industrial camera.
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