CN114440958A - Automatic test system, method and device and electronic equipment - Google Patents
Automatic test system, method and device and electronic equipment Download PDFInfo
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Abstract
The invention discloses an automatic test system, a method, a device and electronic equipment, wherein the system comprises: the signal excitation module comprises at least one random signal generator, and each random signal generator is used for generating a random signal sequence of the random signal generator according to a preset generation rule; the system comprises a vehicle machine module to be tested, a signal excitation module and a vehicle display module, wherein the vehicle machine module to be tested comprises an instrument display module, is connected with the signal excitation module and is used for generating vehicle state information according to a received random signal sequence and displaying the vehicle state information through the instrument display module; compared with the test for the instrument system in the prior art, the invention generates various types of random excitation signals through the signal excitation module to be used as the input source of the vehicle machine, greatly enriches the simulation data, and can well complete the test for the instrument system without depending on the hand piece supplier module.
Description
Technical Field
The invention relates to the technical field of automatic testing, in particular to an automatic testing system, method and device and electronic equipment.
Background
The automobile instrument is a main channel for acquiring the automobile state by a driver in the driving process, and the function and the performance of the automobile instrument directly determine the interactive experience and the driving safety. Along with the rapid development of automobile intellectualization, the functional logic and software design of automobile instruments are more and more complex, and the input source data of the instruments are more and more huge, which brings new challenges to the quality of vehicle-mounted software. Therefore, in the software development stage, the potential problems of the instrument system can be found as much as possible, and the key importance is on improving the software quality of the instrument system.
Currently, in testing for instrumentation systems, the mainstream methods are roughly divided into two types: namely real vehicle drive test and bench simulation test. The real-vehicle drive test needs to rely on counter-element modules such as ecus and sensors, namely needs to rely on a plurality of counter-element supplier modules, so the real-vehicle road test is generally late in starting and high in cost. Although the cost is low, the simulation data is single, and all possible signal combinations and road condition information cannot be tested, so that the complete software logic cannot be covered. These all bring difficulty to the improvement of the stability of the automobile instrument.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defect that the existing test for the instrumentation system depends on a single hand piece module and single simulation data, so as to provide an automated test system, method, device and electronic equipment.
According to a first aspect, the embodiment of the invention discloses an automatic test system, which comprises a signal excitation module and a signal detection module, wherein the signal excitation module comprises at least one random signal generator, and each random signal generator is used for generating a random signal sequence per se according to a preset generation rule; and the vehicle machine module to be tested comprises an instrument display module, and the vehicle machine module to be tested is connected with the signal excitation module and is used for generating vehicle state information according to the received random signal sequence and displaying the vehicle state information through the instrument display module.
Optionally, the system further comprises: and the monitoring module is connected with the vehicle machine module to be tested and used for monitoring the running state information of the instrument display module.
Optionally, the signal excitation module comprises: any one or more of a random CAN signal generator, a random LIN signal generator, a random hardware signal generator, and a random supply voltage generator.
Optionally, the monitoring module comprises: a screen abnormity monitoring submodule, a log abnormity monitoring submodule and a memory/CPU monitoring submodule.
According to a second aspect, an embodiment of the present invention further discloses an automated testing method, used in the automated testing system according to the first aspect or any optional implementation manner of the first aspect, the method including: receiving a random signal sequence generated by a random signal generator; processing the received random signal sequence to generate automobile state information; and the control instrument display module displays the generated automobile state information.
Optionally, the method further includes: and sending the state information of the instrument display module to the monitoring module according to the received monitoring request of the monitoring module.
According to a third aspect, an embodiment of the present invention further discloses an automatic testing apparatus, which is used in the automatic testing system according to the first aspect or any optional implementation manner of the first aspect, and the apparatus includes: the signal receiving module is used for receiving the random signal sequence generated by the random signal generator; the signal processing module is used for processing the received random signal sequence to generate automobile state information; and the state display module is used for controlling the instrument display module to display the generated automobile state information.
Optionally, the apparatus further comprises: and the sending module is used for sending the state information of the instrument display module to the monitoring module according to the received monitoring request of the monitoring module.
According to a fourth aspect, an embodiment of the present invention further discloses an electronic device, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to cause the at least one processor to perform the steps of the automated testing method according to the second aspect or any one of the alternative embodiments of the second aspect.
According to a fifth aspect, the present invention further discloses a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the automated testing method according to the second aspect or any one of the alternative embodiments of the second aspect.
The technical scheme of the invention has the following advantages:
the invention provides an automatic test system, which comprises a signal excitation module, a signal detection module and a signal processing module, wherein the signal excitation module comprises at least one random signal generator, and each random signal generator is used for generating a random signal sequence of the random signal generator according to a preset generation rule; the system comprises a vehicle machine module to be tested, a signal excitation module and a vehicle state information display module, wherein the vehicle machine module to be tested comprises an instrument display module, is connected with the signal excitation module and is used for generating vehicle state information according to a received random signal sequence and displaying the vehicle state information through the instrument display module; compared with the test for the instrument system in the prior art, the invention generates various types of random excitation signals through the signal excitation module to serve as the input source of the vehicle machine, greatly enriches the simulation data, and can well complete the test for the instrument system without depending on the hand piece supplier module.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a specific example of an automated test system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a specific example of an automated test system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a specific example of an automated test system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a specific example of an automated test system according to an embodiment of the present invention;
FIG. 5 is a flow diagram of a specific example of an automated testing method in an embodiment of the present invention;
FIG. 6 is a schematic block diagram of a specific example of an automated test equipment in an embodiment of the present invention;
fig. 7 is a diagram illustrating an embodiment of an electronic device.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be connected through the inside of the two elements, or may be connected wirelessly or through a wire. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment of the invention discloses an automatic test system, which can be applied to the test of an automobile instrument system. As shown in fig. 1, the system includes:
the signal excitation module 101 includes at least one random signal generator, and each random signal generator is configured to generate its own random signal sequence according to a preset generation rule.
Illustratively, the signal excitation module may be composed of one or more random signal generators, each random signal generator generates its own random signal sequence according to a generation rule set in advance, and the random signal generators are independent of each other, do not interfere with each other, can be simultaneously enabled, and can be selected according to actual needs.
And the vehicle machine module to be tested 102 comprises an instrument display module, and the vehicle machine module to be tested is connected with the signal excitation module and is used for generating vehicle state information according to the received random signal sequence and displaying the vehicle state information through the instrument display module.
Illustratively, the vehicle to be tested is responsible for receiving the random signal combination generated by the plurality of random signal generators in the signal excitation module, generating the state information of the current vehicle through logic processing of an internal software system, and displaying the state information through a screen of the instrument display module.
The invention provides an automatic test system, which comprises a signal excitation module, a signal detection module and a signal processing module, wherein the signal excitation module comprises at least one random signal generator, and each random signal generator is used for generating a random signal sequence of the random signal generator according to a preset generation rule; the system comprises a vehicle machine module to be tested, a signal excitation module and a vehicle state information display module, wherein the vehicle machine module to be tested comprises an instrument display module, is connected with the signal excitation module and is used for generating vehicle state information according to a received random signal sequence and displaying the vehicle state information through the instrument display module; compared with the test for the instrument system in the prior art, the invention generates various types of random excitation signals through the signal excitation module to serve as the input source of the vehicle machine, greatly enriches the simulation data, and can well complete the test for the instrument system without depending on the hand piece supplier module.
As an optional embodiment of the present invention, the system further comprises: and the monitoring module is connected with the vehicle machine module to be tested and used for monitoring the running state information of the instrument display module.
Illustratively, the random signal combination received by the vehicle machine under test module from the signal excitation module has randomness, when the vehicle machine under test module processes the random signals, the instrument display module may have problems of black screen, screen splash, stuck, restart, application flash back and the like, and the monitoring module is used for monitoring the possible problems.
As an optional embodiment of the present invention, the signal excitation module comprises: any one or more of a random CAN signal generator, a random LIN signal generator, a random hardware signal generator, and a random supply voltage generator.
For example, the signal excitation module includes a plurality of random signal generators, and the number and types of the random signal generators are not limited in the embodiment of the present application, and in the specific embodiment of the present application, the plurality of random signal generators described in the present application are described by taking a random CAN signal generator, a random LIN signal generator, a random hardware signal generator, and a random supply voltage generator as examples, and are specifically shown in fig. 2. The random CAN signal generator is used for generating a signal combination sequence with random period, random value and random error frame, is used as a class of input sources of the instrument system and is used for testing the stability and robustness of instrument system software in the process of processing CAN data; as shown in fig. 3, the random CAN signal generator is composed of a signal database, a random rule configuration item, a random signal generation script, and a CAN hardware tool, where the signal database is a format file of a CAN network communication model and defines information such as nodes, frames, and messages; the random rule configuration items are used for configuring the sending period, the edge value weight, the ratio of error/invalid frames and the like of the random signals; the random signal generation script is an automatic script and can generate a random signal combination according to a signal database and a random rule configuration item; the CAN hardware tool is a signal transmitting tool and is used for simulating a signal generated by a random signal generating script transmitted by a hand piece to a vehicle machine, and the signal is collected by a Peak-CAN USB Pro; the structure of the LIN signal generator and the hard-wire signal generator is basically similar to that of the CAN signal generator, and the LIN signal generator and the hard-wire signal generator are used for generating random LIN signal combinations and hardware signal combinations, which are not described herein; the random power supply voltage generator is used for generating random voltage within a specific range, is used as another input source of the instrument system, is used for testing the stability and robustness of the instrument system when the power supply of a power supply changes, and consists of three parts, namely a random rule configuration item, a random signal generation script and a program control power supply, wherein the random rule configuration item is used for configuring the random range, the edge value weight, the random expression and the like of the random voltage as shown in figure 4; the random voltage generation script is an automatic script and can generate a random voltage signal according to a random rule configuration item; the programmable power supply is a power supply and is used for simulating unstable power supply of the storage battery, and ITECH-6322A is collected in the specific embodiment.
As an optional embodiment of the present invention, the monitoring module comprises: a screen abnormity monitoring submodule, a log abnormity monitoring submodule and a memory/CPU monitoring submodule.
Illustratively, the screen anomaly monitoring submodule is used for monitoring problems such as black screen, screen splash, stuck and the like which may be generated by a screen, the log anomaly monitoring submodule is used for monitoring an anomaly log when the problems occur, and the memory/CPU monitoring submodule is used for monitoring problems such as restart, application flash back and the like which may occur in the running of a memory and a CPU.
The embodiment of the present invention further discloses an automated testing method, as shown in fig. 5, for an automated testing system according to the first aspect or any optional implementation manner of the first aspect, where the method includes:
and step 203, controlling the instrument display module to display the generated automobile state information.
Illustratively, the car machine module to be tested receives a random signal sequence combination generated by the random signal generator, logically processes the received random signal sequence combination through an internal software system to generate current state information of the car, and controls the instrument display module to display the generated state information of the car.
The automated testing method provided by the invention, as shown in fig. 5, comprises the following steps: receiving a random signal sequence generated by a random signal generator; processing the received random signal sequence to generate automobile state information; the control instrument display module displays the generated automobile state information; compared with the test for the instrument system in the prior art, the invention generates various types of random excitation signals through the signal excitation module to serve as the input source of the vehicle machine, greatly enriches the simulation data, and can well complete the test for the instrument system without depending on the hand piece supplier module.
As an optional embodiment of the present invention, the method further comprises: and sending the state information of the instrument display module to the monitoring module according to the received monitoring request of the monitoring module.
Illustratively, when the car machine module to be tested receives a monitoring request of the monitoring module, the state information of the instrument display module is sent to the monitoring module.
The embodiment of the invention also discloses an automatic testing device, as shown in fig. 6, the device comprises:
the signal receiving module 301: for receiving a random signal sequence generated by a random signal generator;
the signal processing module 302: the device is used for processing the received random signal sequence to generate automobile state information;
the state display module 303: and the control instrument display module displays the generated automobile state information.
The invention provides an automatic testing device, comprising: a signal receiving module: for receiving a random signal sequence generated by a random signal generator; the signal processing module: the device is used for processing the received random signal sequence to generate automobile state information; a state display module: the control instrument display module displays the generated automobile state information; compared with the test for the instrument system in the prior art, the invention generates various types of random excitation signals through the signal excitation module to serve as the input source of the vehicle machine, greatly enriches the simulation data, and can well complete the test for the instrument system without depending on the hand piece supplier module.
As an optional embodiment of the present invention, the apparatus further comprises: and the sending module is used for sending the state information of the instrument display module to the monitoring module according to the received monitoring request of the monitoring module.
An embodiment of the present invention further provides an electronic device, as shown in fig. 7, the electronic device may include a processor 401 and a memory 402, where the processor 401 and the memory 402 may be connected by a bus or in another manner, and fig. 7 takes the connection by the bus as an example.
The memory 402, which is a non-transitory computer readable storage medium, may be used to store non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules corresponding to the automated test system in the embodiments of the present invention. The processor 401 executes various functional applications and data processing of the processor by running non-transitory software programs, instructions and modules stored in the memory 402, so as to implement the automated testing system in the above method embodiment.
The memory 402 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor 401, and the like. Further, the memory 402 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, memory 402 may optionally include memory located remotely from processor 401, which may be connected to processor 401 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory 402 and, when executed by the processor 401, perform an automated testing method as in the embodiment shown in FIG. 2.
The details of the electronic device may be understood by referring to the corresponding related description and effects in the embodiment shown in fig. 5, which are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD) or a Solid State Drive (SSD), etc.; the storage medium may also comprise a combination of memories of the kind described above.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. An automated test system, comprising:
the signal excitation module comprises at least one random signal generator, and each random signal generator is used for generating a random signal sequence of the random signal generator according to a preset generation rule;
and the vehicle machine module to be tested comprises an instrument display module, and the vehicle machine module to be tested is connected with the signal excitation module and is used for generating vehicle state information according to the received random signal sequence and displaying the vehicle state information through the instrument display module.
2. The system of claim 1, further comprising: and the monitoring module is connected with the vehicle machine module to be tested and used for monitoring the running state information of the instrument display module.
3. The system of claim 1, wherein the signal excitation module comprises: any one or more of a random CAN signal generator, a random LIN signal generator, a random hardware signal generator, and a random supply voltage generator.
4. The system of claim 2, wherein the monitoring module comprises: a screen abnormity monitoring submodule, a log abnormity monitoring submodule and a memory/CPU monitoring submodule.
5. An automated testing method for use in the automated testing system of any one of claims 1-3, comprising:
receiving a random signal sequence generated by a random signal generator;
processing the received random signal sequence to generate automobile state information;
and the control instrument display module displays the generated automobile state information.
6. The method of claim 5, further comprising:
and sending the state information of the instrument display module to the monitoring module according to the received monitoring request of the monitoring module.
7. An automated test apparatus for use in the automated test system of any one of claims 1-3, comprising:
a signal receiving module: for receiving a random signal sequence generated by a random signal generator;
the signal processing module: the device is used for processing the received random signal sequence to generate automobile state information;
a state display module: and the control instrument display module displays the generated automobile state information.
8. The apparatus of claim 7, further comprising:
and the sending module is used for sending the state information of the instrument display module to the monitoring module according to the received monitoring request of the monitoring module.
9. An electronic device, comprising: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to cause the at least one processor to perform the steps of the automated test method of claim 5 or 6.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of an automated testing method according to claim 5 or 6.
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