Aircraft communication interface verification device

Abstract

The invention belongs to the technical field of aircraft detection, and particularly relates to an aircraft communication interface verification device. Comprising a signal generation module, a signal receiving and analyzing module, a protocol simulation module, a fault injection module, a fault detection module, a data recording and analyzing module, a performance test module, a user interface control module, a power supply environment simulation module and a network interface module. Different communication scenes of the aircraft are simulated through the signal generation module, the verification comprehensiveness is improved, in the verification process, through cooperation of the fault injection module, manually controlled faults are generated, the verification sensitivity of the verification device is monitored, and the verification effect of the verification device is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of aircraft detection, and in particular to an aircraft communication interface verification device. Background Art

[0002] Aircraft communication interface verification equipment is a device specially used to test and verify aircraft communication systems, such as data links, bus interfaces, etc. Its main purpose is to ensure that the aircraft's communication interface can work properly under various conditions and meet design specifications and performance requirements;

[0003] However, the existing verification devices still have the following technical problems when used:

[0004] Existing verification devices have great limitations when verifying communication interfaces. They are unable to set different communication scenarios to verify the working conditions of the communication interfaces under different communication scenarios, nor are they able to manually control and add corresponding fault conditions to verify the communication interfaces, resulting in poor verification results of the verification devices.

[0005] To this end, an aircraft communication interface verification device is now proposed to solve the above-mentioned problems. Summary of the invention

[0006] The object of the present invention is to provide an aircraft communication interface verification device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: an aircraft communication interface verification device, comprising a signal generation module, a signal reception analysis module, a protocol simulation module, a fault injection module, a fault detection module, a data recording and analysis module, a performance testing module, a user interface control module, a power environment simulation module and a network interface module;

[0008] The signal generation module is used to generate various communication signals and control commands to simulate different communication scenarios;

[0009] The signal receiving and analyzing module is used to receive and analyze the signal returned from the aircraft communication interface to verify its correctness and integrity;

[0010] The protocol simulation module is used to simulate various operations and states of the aircraft communication protocol to verify whether the implementation of the protocol complies with the specification;

[0011] The fault injection module is used to simulate various fault conditions and generate simulated fault signals, such as signal loss and noise interference;

[0012] The fault detection module is used to detect the response of the system and record and analyze the fault handling process;

[0013] The data recording and analysis module is used to record all data in the communication process, and analyze and debug the recorded data;

[0014] The performance test module is used to test the performance indicators of the communication interface;

[0015] The user interface control module is used to provide a user interface to facilitate operators to configure test parameters, monitor the test process and view results;

[0016] The power environment simulation module is used to simulate different power conditions and environmental factors to test the stability of the communication interface in various environments;

[0017] The network interface module is used to provide multiple network and interface connections and support different types of communication protocols and standards.

[0018] Preferably, the signal generating module comprises a signal generating unit, a control unit and a data generating unit;

[0019] The signal generating unit is used to generate various analog or digital signals to simulate various data received by the aircraft communication interface. The signal sound generating unit includes an analog signal generator and a digital signal generator. The analog signal generator is used to generate a continuously changing analog signal, and the digital signal generator is used to generate a discrete digital signal.

[0020] The control unit is used to generate and send control commands, configure test parameters, and control the test process;

[0021] The data generating unit is used to generate test data, including various data and messages.

[0022] Preferably, the signal receiving and analyzing module comprises a signal receiving unit, a signal storage unit, a signal analyzing unit, and a fault detection and diagnosis unit;

[0023] The signal receiving unit is used to capture the signal returned from the aircraft communication interface. The signal receiving unit includes a signal receiver and a signal amplification filter. The signal receiver is used to receive the signal and supports multiple communication interface standards. The signal amplification filter amplifies and filters the received signal to improve the signal-to-noise ratio and signal quality.

[0024] The signal storage unit is used to store the received original signal and decoded data for subsequent analysis;

[0025] The signal analysis unit is used to analyze the decoded data to verify its correctness and integrity. The signal analysis unit includes a data comparator, an error detector and a performance analyzer. The data comparator compares the actually received data with the expected data to check the consistency of the data. The error detector is used to detect errors in the data, such as CRC check errors and data loss. The performance analyzer is used to analyze the performance indicators of data transmission, such as delay, bandwidth, and throughput;

[0026] The fault detection and diagnosis unit is used to detect and diagnose faults in the communication process and provide a detailed fault report.

[0027] Preferably, the fault injection module includes a fault generation unit, a configuration unit, a trigger unit, a fault execution unit and a fault recording unit;

[0028] The fault generation unit is used to generate various types of fault signals; the configuration unit is used to control the fault injection process; the trigger unit is used to ensure that the fault injection is synchronized with other test equipment and systems, and provide a trigger signal to start or stop the fault injection; the fault execution unit is used to actually inject the generated fault signal into the communication interface; the fault recording unit is used to monitor the fault injection process in real time and record relevant data.

[0029] Preferably, the fault detection module includes a signal monitoring unit, an error detection unit and a fault classification unit;

[0030] The signal monitoring unit is used to monitor the signal status of the communication interface in real time; the error detection unit is used to detect various errors in the communication process; the fault classification unit is used to classify the detected faults and locate the specific location where the fault occurs.

[0031] Preferably, the network interface module includes a network interface card and an interface adapter, the network interface card supports Ethernet and serial interfaces; the interface adapter supports various communication interface standards.

[0032] Compared with the prior art, the present invention has the following beneficial effects:

[0033] The present application increases the comprehensiveness of verification by setting up a signal generation module to simulate different communication scenarios of the aircraft. In the process of verification, the fault injection module is used to generate human-controlled faults and monitor the verification sensitivity of the verification device, thereby greatly improving the verification effect of the verification device. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the module structure of the present invention;

[0035] Figure 2This is a unit composition diagram of the signal generation module;

[0036] Figure 3 This is a unit composition diagram of the signal receiving and analyzing module;

[0037] Figure 4 This is the unit composition diagram of the fault injection module;

[0038] Figure 5 This is a unit composition diagram of the fault detection module;

[0039] Figure 6 This is a diagram of the composition of the network interface module. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0042] Example:

[0043] See also Figure 1-6 , the present invention provides a technical solution:

[0044] An aircraft communication interface verification device includes a signal generation module, a signal reception analysis module, a protocol simulation module, a fault injection module, a fault detection module, a data recording and analysis module, a performance test module, a user interface control module, a power environment simulation module and a network interface module;

[0045] The signal generation module is used to generate various communication signals and control commands to simulate different communication scenarios;

[0046] The signal receiving and analyzing module is used to receive and analyze the signal returned from the aircraft communication interface to verify its correctness and integrity;

[0047] The protocol simulation module is used to simulate various operations and states of the aircraft communication protocol to verify whether the implementation of the protocol complies with the specification;

[0048] The fault injection module is used to simulate various fault conditions and generate simulated fault signals, such as signal loss and noise interference;

[0049] The fault detection module is used to detect the response of the system and record and analyze the fault handling process;

[0050] The data recording and analysis module is used to record all data in the communication process, and analyze and debug the recorded data;

[0051] The performance test module is used to test the performance indicators of the communication interface;

[0052] The user interface control module is used to provide a user interface to facilitate operators to configure test parameters, monitor the test process and view results;

[0053] The power environment simulation module is used to simulate different power conditions and environmental factors to test the stability of the communication interface in various environments;

[0054] The network interface module is used to provide multiple network and interface connections and support different types of communication protocols and standards.

[0055] The signal generation module includes a signal generation unit, a control unit and a data generation unit;

[0056] The signal generating unit is used to generate various analog or digital signals to simulate various data received by the aircraft communication interface. The signal sound generating unit includes an analog signal generator and a digital signal generator. The analog signal generator is used to generate a continuously changing analog signal, and the digital signal generator is used to generate a discrete digital signal.

[0057] The control unit is used to generate and send control commands, configure test parameters, and control the test process; the control unit is a control processor that executes control logic and manages the test process.

[0058] The data generating unit is used to generate test data, including various data and messages. The data generating unit includes a data generator, which generates random data or a predefined data sequence.

[0059] The signal receiving and analyzing module includes a signal receiving unit, a signal storage unit, a signal analyzing unit, and a fault detection and diagnosis unit;

[0060] The signal receiving unit is used to capture the signal returned from the aircraft communication interface. The signal receiving unit includes a signal receiver and a signal amplification filter. The signal receiver is used to receive the signal and supports multiple communication interface standards. The signal amplification filter amplifies and filters the received signal to improve the signal-to-noise ratio and signal quality.

[0061] The signal storage unit is used to store the received original signal and the decoded data for subsequent analysis, and the signal storage unit includes a data recorder, which records the received signal and the decoded data in real time and uses a high-speed storage medium to store a large amount of data;

[0062] The signal analysis unit is used to analyze the decoded data to verify its correctness and integrity. The signal analysis unit includes a data comparator, an error detector and a performance analyzer. The data comparator compares the actually received data with the expected data to check the consistency of the data. The error detector is used to detect errors in the data, such as CRC check errors and data loss. The performance analyzer is used to analyze the performance indicators of data transmission, such as delay, bandwidth, and throughput;

[0063] The fault detection and diagnosis unit is used to detect and diagnose faults during the communication process, provide detailed fault reports, monitor abnormal conditions that occur during the communication process, such as signal loss and data errors, locate the specific location and cause of the fault, and generate detailed fault reports to facilitate subsequent analysis and repair.

[0064] The fault injection module includes a fault generation unit, a configuration unit, a trigger unit, a fault execution unit and a fault recording unit;

[0065] The fault generation unit is used to generate various types of fault signals, simulate signal interruption or loss, generate noise signals, simulate electromagnetic interference and radio frequency interference, generate data packets containing errors, simulate network delays, and increase the time for data transmission; the configuration unit is used to control the fault injection process; the trigger unit is used to ensure that the fault injection is synchronized with other test equipment and systems, and provide a trigger signal to start or stop the fault injection; the fault execution unit is used to actually inject the generated fault signal into the communication interface; the fault recording unit is used to monitor the fault injection process in real time and record relevant data.

[0066] The fault detection module includes a signal monitoring unit, an error detection unit and a fault classification unit;

[0067] The signal monitoring unit is used to monitor the signal status of the communication interface in real time, capture the signal returned from the communication interface, perform preliminary analysis on the signal, and detect the quality and integrity of the signal; the error detection unit is used to detect various errors in the communication process, check the cyclic redundancy check (CRC) of the data packet, detect errors in data transmission, detect data bit flip errors, detect data packet loss, and detect data transmission delays exceeding expectations; the fault classification unit is used to classify the detected faults and locate the specific location where the fault occurs, and classify the detected faults into different categories, such as signal loss, data error, and excessive delay, and locate the specific location where the fault occurs by analyzing the signal path and data flow.

[0068] The network interface module includes a network interface card and an interface adapter. The network interface card supports Ethernet and serial interfaces; the interface adapter supports various communication interface standards.

[0069] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0070] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aircraft communication interface verification device, characterized in that: It includes a signal generation module, a signal reception and analysis module, a protocol simulation module, a fault injection module, a fault detection module, a data recording and analysis module, a performance test module, a user interface control module, a power environment simulation module and a network interface module; The signal generation module is used to generate various communication signals and control commands to simulate different communication scenarios; The signal receiving and analyzing module is used to receive and analyze the signal returned from the aircraft communication interface to verify its correctness and integrity; The protocol simulation module is used to simulate various operations and states of the aircraft communication protocol to verify whether the implementation of the protocol complies with the specification; The fault injection module is used to simulate various fault conditions and generate simulated fault signals, such as signal loss and noise interference; The fault detection module is used to detect the response of the system and record and analyze the fault handling process; The data recording and analysis module is used to record all data in the communication process, and analyze and debug the recorded data; The performance test module is used to test the performance indicators of the communication interface; The user interface control module is used to provide a user interface to facilitate operators to configure test parameters, monitor the test process and view results; The power environment simulation module is used to simulate different power conditions and environmental factors to test the stability of the communication interface in various environments; The network interface module is used to provide multiple network and interface connections and support different types of communication protocols and standards.

2. The aircraft communication interface verification device according to claim 1, characterized in that: The signal generation module includes a signal generation unit, a control unit and a data generation unit; The signal generating unit is used to generate various analog or digital signals to simulate various data received by the aircraft communication interface. The signal sound generating unit includes an analog signal generator and a digital signal generator. The analog signal generator is used to generate a continuously changing analog signal, and the digital signal generator is used to generate a discrete digital signal. The control unit is used to generate and send control commands, configure test parameters, and control the test process; The data generating unit is used to generate test data, including various data and messages.

3. The aircraft communication interface verification device according to claim 1, characterized in that: The signal receiving and analyzing module includes a signal receiving unit, a signal storage unit, a signal analyzing unit, and a fault detection and diagnosis unit; The signal receiving unit is used to capture the signal returned from the aircraft communication interface. The signal receiving unit includes a signal receiver and a signal amplification filter. The signal receiver is used to receive the signal and supports multiple communication interface standards. The signal amplification filter amplifies and filters the received signal to improve the signal-to-noise ratio and signal quality. The signal storage unit is used to store the received original signal and decoded data for subsequent analysis; The signal analysis unit is used to analyze the decoded data to verify its correctness and integrity. The signal analysis unit includes a data comparator, an error detector and a performance analyzer. The data comparator compares the actually received data with the expected data to check the consistency of the data. The error detector is used to detect errors in the data, such as CRC check errors and data loss. The performance analyzer is used to analyze the performance indicators of data transmission, such as delay, bandwidth, and throughput; The fault detection and diagnosis unit is used to detect and diagnose faults in the communication process and provide a detailed fault report.

4. The aircraft communication interface verification device according to claim 1, characterized in that: The fault injection module includes a fault generation unit, a configuration unit, a trigger unit, a fault execution unit and a fault recording unit; The fault generation unit is used to generate various types of fault signals; the configuration unit is used to control the process of fault injection; the trigger unit is used to ensure that the fault injection is synchronized with other test equipment and systems, and to provide a trigger signal to start or stop the fault injection; The fault execution unit is used to actually inject the generated fault signal into the communication interface; The fault recording unit is used to monitor the fault injection process in real time and record relevant data.

5. The aircraft communication interface verification device according to claim 1, characterized in that: The fault detection module includes a signal monitoring unit, an error detection unit and a fault classification unit; The signal monitoring unit is used to monitor the signal status of the communication interface in real time; the error detection unit is used to detect various errors in the communication process; the fault classification unit is used to classify the detected faults and locate the specific location where the fault occurs.

6. The aircraft communication interface verification device according to claim 1, characterized in that: The network interface module includes a network interface card and an interface adapter. The network interface card supports Ethernet and serial interfaces; the interface adapter supports various communication interface standards.

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