CN114745312B - Vehicle-mounted Ethernet test system and method - Google Patents
Vehicle-mounted Ethernet test system and method Download PDFInfo
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- CN114745312B CN114745312B CN202210337272.5A CN202210337272A CN114745312B CN 114745312 B CN114745312 B CN 114745312B CN 202210337272 A CN202210337272 A CN 202210337272A CN 114745312 B CN114745312 B CN 114745312B
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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
- H04L43/50—Testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0677—Localisation of faults
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Abstract
The embodiment of the application discloses a vehicle-mounted Ethernet test system and a method, wherein the system comprises the following steps: the system comprises a receiving side Ethernet board and a processor, wherein the receiving side Ethernet board is electrically connected with the processor, a fault signal simulation model is arranged in the processor and used for carrying out abnormal adjustment on a vehicle-mounted Ethernet signal through the fault signal simulation model to obtain a fault simulation signal, and the fault simulation signal is sent to the receiving side Ethernet board; the receiving side Ethernet board is used for receiving the fault simulation signal and sending the fault simulation signal to the target equipment to be tested so as to perform fault test on the target equipment to be tested. According to the technical scheme, the fault simulation model is used for carrying out abnormal adjustment on the vehicle-mounted Ethernet signal to obtain the fault simulation signal, so that the communication fault of the vehicle-mounted Ethernet is simulated, and the target equipment to be tested is further tested under the condition of the communication fault.
Description
Technical Field
The embodiment of the application relates to the technical field of automobile electronic testing, in particular to a vehicle-mounted Ethernet testing system and method.
Background
The vehicle-mounted Ethernet is a novel local area network technology for connecting the Ethernet with the electronic unit in the vehicle, and has the advantages of high transmission efficiency, low power consumption, low time delay and the like.
However, in the process of implementing the technical solution of the present embodiment, the present inventors have found that at least the following technical problems exist in the above-mentioned technology:
under the normal condition of link connection, the communication fault of the vehicle-mounted Ethernet cannot be simulated, and further the vehicle-mounted Ethernet cannot be subjected to fault test.
Disclosure of Invention
The embodiment of the application provides a vehicle-mounted Ethernet test system and a vehicle-mounted Ethernet test method, which are used for simulating communication faults of a vehicle-mounted Ethernet and further carrying out fault test on the vehicle-mounted Ethernet.
In a first aspect, an embodiment of the present application provides a vehicle-mounted ethernet testing system, including: a receiving side ethernet board and a processor, the receiving side ethernet board and the processor being electrically connected, wherein,
the processor is provided with a fault signal simulation model which is used for carrying out abnormal adjustment on the vehicle-mounted Ethernet signal to obtain a fault simulation signal, and sending the fault simulation signal to the receiving side Ethernet board;
the receiving side Ethernet board is used for receiving the fault simulation signal and sending the fault simulation signal to the target equipment to be tested so as to perform fault test on the target equipment to be tested.
In a second aspect, an embodiment of the present application further provides a vehicle-mounted ethernet testing method, including:
acquiring a vehicle-mounted Ethernet signal;
abnormal adjustment is carried out on the vehicle-mounted Ethernet signal through a fault signal simulation model, so that a fault simulation signal is obtained;
and sending the fault simulation signal to a receiving side Ethernet board, wherein the receiving side Ethernet board is used for receiving the fault simulation signal and sending the fault simulation signal to a target device to be tested so as to perform fault test on the target device to be tested.
According to the technical scheme, the vehicle-mounted Ethernet signal is subjected to abnormal adjustment through the fault signal simulation model to obtain the fault simulation signal, so that the communication fault of the vehicle-mounted Ethernet is simulated; further, the fault analog signal is sent to the receiving side Ethernet board, and the receiving side Ethernet board is used for receiving the fault analog signal and sending the fault analog signal to the target equipment to be tested, so that the target equipment to be tested is tested under the condition of communication faults.
Drawings
In order to more clearly illustrate the technical solution of the exemplary embodiments of the present application, a brief description is given below of the drawings required for describing the embodiments. It is obvious that the drawings presented are only drawings of some of the embodiments of the application to be described, and not all the drawings, and that other drawings can be made according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a vehicle-mounted ethernet testing system according to an embodiment of the present application;
fig. 2 is a schematic diagram of a vehicle-mounted ethernet testing system according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a message enabling switch according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a channel selector switch according to an embodiment of the present application;
fig. 5 is a schematic diagram of a vehicle-mounted ethernet testing system according to an embodiment of the present application;
fig. 6 is a schematic diagram of a vehicle-mounted ethernet testing system according to an embodiment of the present application;
fig. 7 is a schematic flow chart of a vehicle-mounted ethernet testing method according to an embodiment of the present application.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings.
It should be further noted that, for convenience of description, only some, but not all of the matters related to the present application are shown in the accompanying drawings. Before discussing exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart depicts operations (or steps) as a sequential process, many of the operations can be performed in parallel, concurrently, or at the same time. Furthermore, the order of the operations may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figures. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Fig. 1 is a schematic structural diagram of a vehicle-mounted ethernet testing system according to an embodiment of the present application, where the embodiment may be adapted to simulate a situation where a vehicle-mounted ethernet communication fault is tested, the system includes: the processor 110 and the receiving side ethernet board 120 are electrically connected, and the receiving side ethernet board 120 and the processor 110 are electrically connected, wherein the processor 110 can be a real-time processor, and a fault signal simulation model can be arranged in the processor 110 and is used for carrying out abnormal adjustment on the vehicle-mounted ethernet signal through the fault signal simulation model to obtain a fault simulation signal, and sending the fault simulation signal to the receiving side ethernet board 120; the receiving-side ethernet board 120 is configured to receive the fault analog signal, and send the fault analog signal to the target device under test, so as to perform fault test on the target device under test.
In this embodiment, the manner in which the receiving ethernet board 120 and the processor 110 are electrically connected may include, but is not limited to, connection via PCIe bus, etc., it being understood that the receiving ethernet board 120 and the processor 110 may communicate bi-directionally. The processor 110 is provided with a fault signal simulation model, that is, the processor 110 can run the fault signal simulation model, the fault signal simulation model can perform abnormal adjustment on the vehicle-mounted ethernet signal, the abnormal adjustment can include but is not limited to modifying a signal value, setting an adjustment mode such as prohibiting message output, and the like, and the fault simulation signal refers to the vehicle-mounted ethernet signal which is abnormally changed and can be used for functional test on the target device to be tested. The fault signal simulation model may be composed of one or more sub-models, not limited herein.
The receiving-side ethernet board 120 is a device for implementing communication of the on-vehicle ethernet signal, and has a function of receiving and transmitting the on-vehicle ethernet signal and the fault analog signal, and the "receiving-side" is used for descriptive purposes only and is not limited to the ethernet board. The in-vehicle ethernet test system may include one or more receiving-side ethernet cards 120, which may be set according to the test requirements, and is not limited herein. The receiving-side ethernet board 120 is electrically connected to the target device under test, and the receiving-side ethernet board 120 may specifically send the fault analog signal to the target device under test through an ethernet channel. The target device under test may be a vehicle device under test, which may include, but is not limited to, an on-board ethernet controller, etc., where the on-board ethernet controller may be used to receive or transmit on-board ethernet signals.
According to the technical scheme, the vehicle-mounted Ethernet signal is subjected to abnormal adjustment through the fault signal simulation model to obtain the fault simulation signal, so that the communication fault of the vehicle-mounted Ethernet is simulated; further, the fault analog signal is sent to the receiving side Ethernet board, and the receiving side Ethernet board is used for receiving the fault analog signal and sending the fault analog signal to the target equipment to be tested, so that the target equipment to be tested is tested under the condition of communication faults.
Fig. 2 is a schematic structural diagram of a vehicle-mounted ethernet testing system according to an embodiment of the present application, where the embodiment, on the basis of any one of the optional technical solutions of the embodiment of the present application, optionally further includes a transmitting-side ethernet board 100, a processor 110 is electrically connected to the transmitting-side ethernet board 100, and the fault signal simulation model includes an ethernet virtual gateway model, where the transmitting-side ethernet board 100 is configured to receive a vehicle-mounted ethernet signal sent by a first device to be tested, and send the vehicle-mounted ethernet signal to the processor 110; the processor 110 is further configured to: and receiving the vehicle-mounted Ethernet signal, and inputting the vehicle-mounted Ethernet signal into the Ethernet virtual gateway model to obtain a fault simulation signal.
Specifically, the transmitting-side ethernet board 100 and the receiving-side ethernet board 120 may be configured as the same device, both having the function of receiving and transmitting the on-vehicle ethernet signal and the fault analog signal, which are different from each other in connection location with the processor 110. The transmitting-side ethernet board 100 may be configured to receive a vehicle-mounted ethernet signal transmitted by a first device under test, where the first device under test may be a device for generating a vehicle-mounted ethernet signal, and the first device under test may include, but is not limited to, a vehicle-mounted ethernet controller and the like.
Further, the processor 110 may also be configured to: and receiving the vehicle-mounted Ethernet signal, and inputting the vehicle-mounted Ethernet signal into the Ethernet virtual gateway model to obtain a fault simulation signal. It may be appreciated that the ethernet virtual gateway model is a sub-model in the fault signal simulation model, and the ethernet virtual gateway model may take a vehicle-mounted ethernet signal sent by the sending ethernet board 100 as an input signal, and perform abnormal adjustment on the input signal, where the abnormal adjustment may include, but is not limited to, modifying a signal value, setting a forbidden message output, and so on.
On the basis of the above embodiments, the ethernet virtual gateway model includes a first transceiver model, a second transceiver model, and a signal processing model, where one or more of the first transceiver model, the second transceiver model, and the signal processing model respectively perform abnormal adjustment on the transmitted vehicle-mounted ethernet signal; the processor 110 is further configured to: receiving a vehicle-mounted Ethernet signal sent by the transmitting side Ethernet board 100; inputting the vehicle-mounted Ethernet signal into a first receiving-transmitting model to obtain a first vehicle-mounted Ethernet signal; inputting the first vehicle-mounted Ethernet signal into a signal processing model to obtain a second vehicle-mounted Ethernet signal; and inputting the second on-board Ethernet signal into a second receiving-transmitting model to obtain a fault simulation signal.
It will be appreciated that in the processor, one or more of the first transceiver model, the second transceiver model and the signal processing model may perform abnormal adjustment on the transmitted on-board ethernet signals, that is, the first on-board ethernet signal, the second on-board ethernet signal and the fault simulation signal may be changed.
For example, a message permission switch may be included in the first transceiver model and the second transceiver model, as shown in fig. 3, where the message permission switch is used to set whether to permit sending of a message, and may interrupt a message in an input signal (i.e., a vehicle ethernet signal) to generate an ethernet message fault. The signal processing model includes a channel selection switch, as shown in fig. 4, where the channel selection switch may be used to switch an input ethernet signal, where the input ethernet signal includes the vehicle ethernet signal and a manual setting signal. The channel selection switch may be a two-out channel selection switch, and may switch the input signal to the on-vehicle ethernet signal sent by the transmitting-side ethernet board 100, or to a manual setting signal. Upon switching to the manual setting signal, the value of the manual setting signal may be altered according to the test requirements to simulate the associated communication failure. Communication failures include, but are not limited to, ethernet message failures, ethernet signal failures, and the like. The Ethernet message faults comprise loss, repetition, disorder and the like; the Ethernet signal faults include invalid signals, signals exceeding the valid range, signal time sequence being out of compliance, etc.
According to the technical scheme of the embodiment of the application, the transmitting side Ethernet board 100 is used for receiving the vehicle-mounted Ethernet signal transmitted by the first device to be tested and transmitting the vehicle-mounted Ethernet signal to the processor 110; the processor 110 is further configured to receive the on-vehicle ethernet signal, and input the on-vehicle ethernet signal to the ethernet virtual gateway model to obtain a fault analog signal. The method comprises the steps that a fault simulation signal is sent to a receiving side Ethernet board, the receiving side Ethernet board is used for receiving the fault simulation signal, and the fault simulation signal is sent to target equipment to be tested, so that communication fault testing of the first equipment to be tested and the target equipment to be tested is achieved.
Fig. 5 is a schematic structural diagram of a vehicle-mounted ethernet testing system according to an embodiment of the present application, where, in this embodiment, on the basis of any one of the optional technical solutions of the embodiments of the present application, optionally, the fault signal simulation model includes an ethernet virtual gateway model and a virtual controller model, and the ethernet virtual gateway model includes a third transceiver model, where the third transceiver model performs abnormal adjustment on a transmitted vehicle-mounted ethernet signal, and the processor 110 is further configured to: and generating an on-board Ethernet signal based on the virtual controller model, and inputting the on-board Ethernet signal into the third receiving-transmitting model to obtain a fault simulation signal.
Wherein the virtual controller model may generate a simulated on-board ethernet signal. It will be appreciated that in testing, the on-board ethernet signals typically need to be generated by the ethernet controllers, and in order to satisfy the testing situation of only one ethernet controller, embodiments of the present application provide a virtual controller model for generating the on-board ethernet signals to simulate the ethernet controller generation process. By way of example, the virtual controller model may be specifically used to: and acquiring one or more functional logic modules in the matlab simulink software, and generating a simulated vehicle-mounted Ethernet signal by operating each functional logic module.
The virtual controller model may generate a simulated vehicle-mounted ethernet signal, and input the simulated vehicle-mounted ethernet signal to the third transceiver model, where the third transceiver model may include a message enable switch, may set whether to enable transmission of the simulated vehicle-mounted ethernet signal, and if the message enable switch is set to not enable, the simulated vehicle-mounted ethernet signal is changed to generate a fault simulation signal. If the message permission switch is set to permit, the simulated vehicle-mounted Ethernet signal is normally sent. Further, the fault analog signal is sent to the receiving-side ethernet board 120; the receiving-side ethernet board 120 is configured to receive the fault analog signal, and send the fault analog signal to the target device under test, so as to perform fault test on the target device under test.
In some embodiments, the first device under test and the target device under test may be in-vehicle controllers. As shown in fig. 6, the first device under test may send the on-vehicle ethernet signal to the transmitting ethernet board 100, where the transmitting ethernet board 100 is configured to receive the on-vehicle ethernet signal sent by the first device under test, and send the on-vehicle ethernet signal to the processor 110. In some embodiments, only the target device under test may generate a simulated vehicle-mounted ethernet signal through the virtual controller model to enable functional testing of the target device under test. For example, the in-vehicle ethernet test system may include three ethernet cards, each of which may be either a transmitting-side ethernet card 100 or a receiving-side ethernet card 120. Two Ethernet cards are used for testing two vehicle-mounted controllers, and the other Ethernet card is used for testing a single vehicle-mounted controller so as to meet different testing requirements.
Fig. 7 is a flowchart of a vehicle-mounted ethernet testing method provided in an embodiment of the present application, where the embodiment may be suitable for a case of simulating a vehicle-mounted ethernet communication failure for testing. The vehicle-mounted Ethernet test system can execute the vehicle-mounted Ethernet test method provided by the embodiment.
As shown in fig. 7, the method of this embodiment may specifically include:
s410, acquiring a vehicle-mounted Ethernet signal;
s420, carrying out abnormal adjustment on the vehicle-mounted Ethernet signal through a fault signal simulation model to obtain a fault simulation signal;
s430, the fault simulation signal is sent to a receiving side Ethernet board, and the receiving side Ethernet board is used for receiving the fault simulation signal and sending the fault simulation signal to a target device to be tested so as to perform fault test on the target device to be tested.
According to the technical scheme, the vehicle-mounted Ethernet signal is subjected to abnormal adjustment through the fault signal simulation model to obtain the fault simulation signal, so that the communication fault of the vehicle-mounted Ethernet is simulated; further, the fault analog signal is sent to the receiving side Ethernet board, and the receiving side Ethernet board is used for receiving the fault analog signal and sending the fault analog signal to the target equipment to be tested, so that the target equipment to be tested is tested under the condition of communication faults.
On the basis of the above embodiments, the fault signal simulation model includes a virtual controller model, and the acquiring the vehicle-mounted ethernet signal includes:
generating an on-board ethernet signal based on the virtual controller model; or alternatively, the process may be performed,
and receiving the vehicle-mounted Ethernet signal sent by the Ethernet board at the sending side.
On the basis of the above embodiments, the fault signal simulation model includes an ethernet virtual gateway model, where the ethernet virtual gateway model includes a first transceiver model, a second transceiver model, and a signal processing model, and the performing, by using the fault signal simulation model, abnormal adjustment on the vehicle-mounted ethernet signal to obtain a fault simulation signal includes:
inputting the vehicle-mounted Ethernet signal into the first receiving-transmitting model to obtain a first vehicle-mounted Ethernet signal;
inputting the first vehicle-mounted Ethernet signal into the signal processing model to obtain a second vehicle-mounted Ethernet signal;
and inputting the second on-board Ethernet signal to the second receiving-transmitting model to obtain a fault simulation signal.
On the basis of the above embodiments, the inputting the first on-board ethernet signal to the signal processing model to obtain a second on-board ethernet signal includes:
and switching the first vehicle-mounted Ethernet signal into a manual setting signal to obtain a second vehicle-mounted Ethernet signal.
The vehicle-mounted Ethernet test system provided by the embodiment of the application can execute the vehicle-mounted Ethernet test method provided by any embodiment of the application, and the vehicle-mounted Ethernet test method has the corresponding beneficial effects of the vehicle-mounted Ethernet test system.
Note that the above is only a preferred embodiment of the present application and the technical principle applied. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, while the application has been described in connection with the above embodiments, the application is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the application, which is set forth in the following claims.
Claims (7)
1. A vehicle-mounted ethernet testing system, comprising: a receiving side ethernet board and a processor, the receiving side ethernet board and the processor being electrically connected, wherein,
the processor is provided with a fault signal simulation model which is used for carrying out abnormal adjustment on the vehicle-mounted Ethernet signal to obtain a fault simulation signal, and sending the fault simulation signal to the receiving side Ethernet board;
the receiving side Ethernet board is used for receiving the fault simulation signal and sending the fault simulation signal to target equipment to be tested so as to perform fault test on the target equipment to be tested;
the system further comprises a transmitting side ethernet board, the processor is electrically connected with the transmitting side ethernet board, the fault signal simulation model comprises an ethernet virtual gateway model, wherein,
the transmitting side Ethernet board is used for receiving the vehicle-mounted Ethernet signal transmitted by the first device to be tested and transmitting the vehicle-mounted Ethernet signal to the processor;
the processor is further configured to: receiving the vehicle-mounted Ethernet signal, and inputting the vehicle-mounted Ethernet signal into the Ethernet virtual gateway model to obtain a fault simulation signal;
the Ethernet virtual gateway model comprises a first receiving-transmitting model, a second receiving-transmitting model and a signal processing model, wherein one or more of the first receiving-transmitting model, the second receiving-transmitting model and the signal processing model respectively carry out abnormal adjustment on the transmitted vehicle-mounted Ethernet signals;
the processor is further configured to:
receiving a vehicle-mounted Ethernet signal sent by the sending side Ethernet board;
inputting the vehicle-mounted Ethernet signal into the first receiving-transmitting model to obtain a first vehicle-mounted Ethernet signal;
inputting the first vehicle-mounted Ethernet signal into the signal processing model to obtain a second vehicle-mounted Ethernet signal;
inputting the second on-board Ethernet signal to the second receiving-transmitting model to obtain a fault simulation signal;
or the fault signal simulation model comprises an Ethernet virtual gateway model and a virtual controller model, the Ethernet virtual gateway model comprises a third receiving-transmitting model, the third receiving-transmitting model is used for carrying out abnormal adjustment on the transmitted vehicle-mounted Ethernet signal, and the processor is further used for:
and generating a vehicle-mounted Ethernet signal based on the virtual controller model, and inputting the vehicle-mounted Ethernet signal into the third receiving-transmitting model to obtain a fault simulation signal.
2. The system according to claim 1, wherein the first transceiver model and the second transceiver model include a message permission switch, and the message permission switch is configured to set whether to permit sending of a message to generate an ethernet message fault.
3. The on-board ethernet test system of claim 1, wherein the signal processing model includes a channel selection switch, the channel selection switch configured to switch an incoming ethernet signal, the incoming ethernet signal including the on-board ethernet signal and a manual setup signal.
4. A method for testing an ethernet network in a vehicle, applied to the processor of any one of claims 1 to 3, comprising:
acquiring a vehicle-mounted Ethernet signal;
abnormal adjustment is carried out on the vehicle-mounted Ethernet signal through a fault signal simulation model, so that a fault simulation signal is obtained;
and sending the fault simulation signal to a receiving side Ethernet board, wherein the receiving side Ethernet board is used for receiving the fault simulation signal and sending the fault simulation signal to a target device to be tested so as to perform fault test on the target device to be tested.
5. The method of claim 4, wherein the fault signal simulation model comprises a virtual controller model, and wherein the acquiring the on-board ethernet signal comprises:
generating an on-board ethernet signal based on the virtual controller model; or alternatively, the process may be performed,
and receiving the vehicle-mounted Ethernet signal sent by the Ethernet board at the sending side.
6. The method of claim 4, wherein the fault signal simulation model comprises an ethernet virtual gateway model, the ethernet virtual gateway model comprising a first transceiver model, a second transceiver model, and a signal processing model, the performing abnormal adjustment on the on-board ethernet signal by the fault signal simulation model to obtain a fault simulation signal, comprising:
inputting the vehicle-mounted Ethernet signal into the first receiving-transmitting model to obtain a first vehicle-mounted Ethernet signal;
inputting the first vehicle-mounted Ethernet signal into the signal processing model to obtain a second vehicle-mounted Ethernet signal;
and inputting the second on-board Ethernet signal to the second receiving-transmitting model to obtain a fault simulation signal.
7. The method of claim 6, wherein inputting the first on-board ethernet signal into the signal processing model results in a second on-board ethernet signal, comprising:
and switching the first vehicle-mounted Ethernet signal into a manual setting signal to obtain a second vehicle-mounted Ethernet signal.
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| CN115412459B (en) * | 2022-08-31 | 2023-06-02 | 重庆长安汽车股份有限公司 | Ring network testing method, system and equipment for vehicle-mounted Ethernet |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016080092A1 (en) * | 2014-11-19 | 2016-05-26 | 日立オートモティブシステムズ株式会社 | Fault simulation system |
| CN107247451A (en) * | 2017-05-19 | 2017-10-13 | 意昂神州（北京）科技有限公司 | A kind of intelligent integrated multichannel fault injection system |
| CN108919778A (en) * | 2018-06-29 | 2018-11-30 | 威马智慧出行科技（上海）有限公司 | Vehicle control unit of electric vehicle test device |
| CN111586131A (en) * | 2020-04-29 | 2020-08-25 | 上汽大众汽车有限公司 | Vehicle-mounted Ethernet fault injection test device and test method |
| CN112051832A (en) * | 2020-08-31 | 2020-12-08 | 安徽江淮汽车集团股份有限公司 | Fault testing method, device and system based on simulation node and storage medium |
| CN112859817A (en) * | 2021-01-21 | 2021-05-28 | 中国第一汽车股份有限公司 | Complete vehicle fault diagnosis test system |
| CN113341936A (en) * | 2021-06-24 | 2021-09-03 | 安徽江淮汽车集团股份有限公司 | Virtual fault injection test method based on power supply control |
| CN113395189A (en) * | 2021-06-30 | 2021-09-14 | 重庆长安汽车股份有限公司 | Vehicle-mounted Ethernet SQI signal quality testing method and system |
| CN113504773A (en) * | 2021-07-29 | 2021-10-15 | 安徽江淮汽车集团股份有限公司 | Ethernet test method and Ethernet test system of vehicle-mounted controller |
-
2022
- 2022-03-31 CN CN202210337272.5A patent/CN114745312B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016080092A1 (en) * | 2014-11-19 | 2016-05-26 | 日立オートモティブシステムズ株式会社 | Fault simulation system |
| CN107247451A (en) * | 2017-05-19 | 2017-10-13 | 意昂神州（北京）科技有限公司 | A kind of intelligent integrated multichannel fault injection system |
| CN108919778A (en) * | 2018-06-29 | 2018-11-30 | 威马智慧出行科技（上海）有限公司 | Vehicle control unit of electric vehicle test device |
| CN111586131A (en) * | 2020-04-29 | 2020-08-25 | 上汽大众汽车有限公司 | Vehicle-mounted Ethernet fault injection test device and test method |
| CN112051832A (en) * | 2020-08-31 | 2020-12-08 | 安徽江淮汽车集团股份有限公司 | Fault testing method, device and system based on simulation node and storage medium |
| CN112859817A (en) * | 2021-01-21 | 2021-05-28 | 中国第一汽车股份有限公司 | Complete vehicle fault diagnosis test system |
| CN113341936A (en) * | 2021-06-24 | 2021-09-03 | 安徽江淮汽车集团股份有限公司 | Virtual fault injection test method based on power supply control |
| CN113395189A (en) * | 2021-06-30 | 2021-09-14 | 重庆长安汽车股份有限公司 | Vehicle-mounted Ethernet SQI signal quality testing method and system |
| CN113504773A (en) * | 2021-07-29 | 2021-10-15 | 安徽江淮汽车集团股份有限公司 | Ethernet test method and Ethernet test system of vehicle-mounted controller |
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