CN116119019A - Flight parameter acquisition recording equipment test system and test method - Google Patents
Flight parameter acquisition recording equipment test system and test method Download PDFInfo
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- B64F5/60—Testing or inspecting aircraft components or systems
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Abstract
The invention provides a flight parameter acquisition recording equipment test system and a test method, which relate to the technical field of ground detection of aviation equipment and comprise a central control unit, a signal simulation unit, a data processing unit and a terminal display unit; the signal simulation unit is used for simulating various signals on the simulator, is connected with the tested equipment, provides a signal source for the tested equipment, selects a test mode according to an instruction sent by the central control unit, configures a parameter channel according to the instruction, and generates a test parameter configuration table according to the need; the data processing unit receives the data acquired by the tested equipment, analyzes and processes the data, sends the result to the terminal display unit in real time, and automatically generates a test report after the test is finished; the flight parameter system equipment can carry out full-channel, multi-threshold and full-function depth test, gives test reports, can accurately judge equipment fault parts, gives a troubleshooting scheme, and has the characteristics of strong universality, high intelligence and the like.
Description
Technical Field
The disclosure relates to the technical field of ground detection of aviation equipment, in particular to a flight parameter acquisition recording equipment test system and a test method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The flight parameter acquisition and recording system is special electronic recording equipment for an aircraft, can record important data of various systems of the aircraft, is an important basis for investigation and conclusion judgment of flight accident reasons, and is mainly used for carrying out functional test on the airborne flight acquisition and recording equipment, rapidly diagnosing equipment fault points, and providing detection means for equipment maintenance and repair so as to ensure the aircraft perfection rate and attendance rate.
The existing detection method usually has only one detection mode, so that the detection precision is not high, the fault detection can not be carried out by applying signals to certain channels in a targeted manner, and the universality is not high.
Disclosure of Invention
In order to solve the problems, the disclosure provides a flight parameter acquisition recording equipment testing system and a flight parameter acquisition recording equipment testing method, which can perform full-channel, multi-threshold and full-function depth testing on flight parameter system equipment, give test reports, accurately judge equipment fault positions, give an troubleshooting scheme, assist equipment daily maintenance, fault detection and elimination and other works, and have the characteristics of strong universality, high intellectualization and the like.
According to some embodiments, the present disclosure employs the following technical solutions:
a flight parameter acquisition recording device test system comprising:
the central control unit is communicated with the signal simulation unit, the data processing unit and the terminal display unit in a connecting way;
the signal simulation unit is used for simulating various signals on the simulator, is connected with the tested equipment, provides a signal source for the tested equipment, selects a test mode according to an instruction sent by the central control unit, configures a parameter channel according to the instruction, and generates a test parameter configuration table according to the need;
the data processing unit receives the data acquired by the tested equipment, analyzes and processes the data, sends the result to the terminal display unit in real time, and automatically generates a test report after the test is finished.
Furthermore, the central control unit is used for testing system model binding, testing mode selection and testing instruction issuing.
Further, various signals on the simulator simulated by the signal simulation unit comprise analog quantity, switching value, audio frequency, video frequency and various data of ARINC429, 1553B, HDLC, RS422 bus parameters.
Further, the tested device is an on-board flight parameter system device and comprises a collector, a recorder and a cache device.
Furthermore, the data processing unit receives the data frame sent by the tested device and unpacks the data according to the communication protocol, the data of each channel is restored according to the resolving library, and if the value of a certain channel is out of tolerance, the tested device can judge that the acquisition channel possibly fails.
Furthermore, the data processing unit is provided with an equipment fault processing expert database, corresponding circuit fault analysis and fault elimination suggestions can be given according to signal types, fault points can be rapidly positioned, and faults can be rapidly eliminated.
According to some embodiments, the present disclosure employs the following technical solutions:
a test method of a flight parameter acquisition recording device comprises two test modes of automatic detection and manual detection;
specifically, the automatic detection mode is to detect the tested equipment according to a pre-designated program, the user modifies and sets the content of the test program according to the need, a sequential test method is adopted, each parameter channel of the flight parameter acquisition equipment is tested according to time-sharing sequence, a board card information source output threshold is simulated through a software control signal, then the signal source is gated to the current channel of the collector through a control circuit, all other parameters are grounded uniformly, the acquisition result of all the parameter channels of the collector is read, besides the acquisition precision judgment of the tested parameters according to a parameter table, the judgment is carried out in the error value range of whether all other parameters are 0V test points, whether the working state of the parameter acquisition channels is normal is judged, and a test report is automatically given.
Further, in the manual detection mode, signals are independently applied to the selected parameter acquisition channels, a signal source threshold is manually set, and a channel acquisition result is given by software.
According to other embodiments, the present disclosure employs the following technical solutions:
a computer readable storage medium having stored therein a plurality of instructions adapted to be loaded and executed by a processor of a terminal device for performing the method of flight parameter acquisition recording device testing.
According to other embodiments, the present disclosure employs the following technical solutions:
a terminal device comprising a processor and a computer readable storage medium, the processor configured to implement instructions; the computer readable storage medium is for storing a plurality of instructions adapted to be loaded by a processor and to perform the one method of flight parameter acquisition recording device testing.
Compared with the prior art, the beneficial effects of the present disclosure are:
the technical scheme can carry out full-channel, multi-threshold and full-function depth test on the flight parameter system equipment, gives a test report, can accurately judge equipment fault parts, gives a troubleshooting scheme, assists in daily maintenance, fault detection and elimination of equipment and the like, and has the characteristics of strong universality, high intellectualization and the like.
The method has the advantages that two testing methods, namely automatic detection and manual detection modes, can automatically process and analyze faults, can give corresponding circuit fault analysis and fault elimination suggestions according to signal types, help a user to quickly locate fault points and quickly eliminate faults, and enable the user to write an expert library if a new fault elimination thought exists after the user processes equipment faults, so that the expert library is continuously enriched and expanded; during manual testing, a user can freely select a parameter channel of interest for monitoring, and also can manually adjust a parameter threshold value through a display unit to perform targeted fault detection.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate and explain the exemplary embodiments of the disclosure and together with the description serve to explain the disclosure, and do not constitute an undue limitation on the disclosure.
FIG. 1 is a flow chart of a test system data processing of the present disclosure;
FIG. 2 is a schematic diagram of a test system connection of the present disclosure;
fig. 3 is a schematic structural diagram of a control circuit in the test system of the present disclosure.
The specific embodiment is as follows:
the disclosure is further described below with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present disclosure. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Example 1
In one embodiment of the present disclosure, a flight parameter acquisition recording device testing system is disclosed, as shown in fig. 1, including:
the central control unit is communicated with the signal simulation unit, the data processing unit and the terminal display unit in a connecting way;
the signal simulation unit is used for simulating various signals on the simulator, is connected with the tested equipment, provides a signal source for the tested equipment, selects a test mode according to an instruction sent by the central control unit, configures a parameter channel according to the instruction, and generates a test parameter configuration table according to the need;
the data processing unit receives the data acquired by the tested equipment, analyzes and processes the data, sends the result to the terminal display unit in real time, and automatically generates a test report after the test is finished.
Based on the above, the overall architecture is divided into 5 units, such as a central control unit, a signal simulation unit, a tested device, a data processing unit, a terminal display unit, and the like, and specifically, the units are connected through a system cable.
The central control unit is a control processing center of the whole test system, and has the main functions of system model binding, test mode selection and test instruction issuing. The system comprises two test modes, namely automatic test and manual test, wherein the central control unit selects corresponding system configuration interface files according to the type of the tested equipment, and can freely create new configuration interface files according to requirements. The configuration interface file prescribes the parameter types, data packet output frequencies, various parameter output numbers and parameter channel numbers required to be output by the signal simulation unit, and the specific parameters prescribe the requirements of names, signal properties, limit values, parameter output value numbers, output thresholds and the like of the parameters. The central control unit binds the configuration interface file into the central control unit for caching, and then sends a test instruction to the signal simulation unit according to the content of the configuration interface file and the test mode requirement.
The main functions of the signal simulation unit are to simulate various signals on a simulator, including various types of data such as analog quantity, switching value, audio frequency, video frequency and ARINC429, 1553B, HDLC, RS422 bus parameters, and the like, and provide a signal source for tested equipment. The signal simulation unit selects a test mode according to the instruction sent by the central control unit, configures the parameter channel according to the instruction, automatically configures software according to the received instruction requirement, and generates a test parameter configuration table according to the requirement. The configuration table contains information such as parameter names to be tested, signal properties, a solution formula and the like.
Table 1 test parameter configuration table
| Parameter name | Whether the channel is enabled | Signal properties | Sampling rate (times/second) | Calculation formula |
| T1 | 1 | Analog quantity | 10 | B |
| T2 | 1 | Analog quantity | 10 | B |
| T3 | 1 | Analog quantity | 10 | B |
| T4 | 1 | Analog quantity | 10 | B |
| T5 | 1 | Analog quantity | 10 | B |
In the automatic mode, the signal simulation unit automatically outputs parameters of each channel for the tested equipment to collect according to the specified content in the parameter configuration table at fixed frequency and time sequence, and when a certain channel signal is output, the control circuit of the simulation unit selects the signal source to the channel, and all other parameter channels are uniformly grounded, so that the isolation test of the channel can be completed. In the manual mode, a user can independently apply signals to the parameter acquisition channels which want to be detected in a key way, manually set a signal source threshold value, observe the feedback result of the tested equipment through the terminal display unit, and can be used for targeted fault detection work.
The tested equipment is on-board flight parameter system equipment, and comprises a collector, a recorder, a cache and other equipment.
The data processing unit is mainly used for receiving data acquired by the tested equipment, analyzing and processing the data, sending the result to the terminal display unit in real time, and automatically generating a test report after the test is finished.
The tested device is communicated with the data processing unit to carry out data transmission by adopting UDP protocol, the data processing unit receives a data frame sent by the tested device and then carries out unpacking processing according to the protocol, the frame head of the data frame is removed, the original value of each channel data is read from the appointed position of the data frame according to a stipulated format, the data of each channel is restored according to a resolving library, the original value of the data can be substituted into a formula for resolving in the clearing library after being read out, for example, the formula a is 256+b, a represents a high byte original value, b represents a low byte original value, the original value is 16-system data, the data is required to be converted into 10 systems, and if the original value is 20 (16-system) 256+1a (16-system) =32×256+26.
After the calculation is completed, the parameter values of all channels are compared with the standard value, if the value of a certain channel is out of tolerance, the out of tolerance means that the difference value between the measured value and the standard required value exceeds the allowable error range, the possible faults of the tested equipment in the acquisition channel can be judged, the data processing unit is provided with an equipment fault processing expert database, corresponding circuit fault analysis and fault removal suggestions can be given according to the signal types, a user can be helped to quickly locate fault points, faults are removed quickly, and if a new fault removal thought exists after the equipment faults are processed, the expert database can be written in, so that the expert database is expanded continuously. And the data processing unit sends the information generation test report to the terminal display unit after the test is completed.
If the user finds a fault during testing, the expert database can be opened for inquiry, whether similar faults are recorded in the expert database is determined, and if the similar faults are recorded in the expert database, the device with the fault can be rapidly determined.
The terminal display unit is a man-machine interaction interface of the test system, a user can monitor the test process in real time through the display unit to check a system test report, the user can freely select a concerned parameter channel for monitoring during manual test, and the parameter threshold can be manually adjusted through the display unit, namely, the parameter excitation value of each channel can be manually changed, for example, an analog quantity acquisition channel can output 1V voltage excitation to the analog quantity acquisition channel, and can also be 2V or other voltage values, and the voltage values can be manually input through an input box of man-machine interaction interface software. And (5) performing targeted fault detection.
The full-channel multi-threshold full-function depth test can be performed on the flight parameter system equipment, a test report is given, the equipment fault position can be accurately judged, the troubleshooting scheme is given, the daily maintenance of auxiliary equipment, the fault detection and the elimination and other works are provided, and the full-channel multi-threshold full-function depth test system equipment has the characteristics of strong universality, high intellectualization and the like.
Example 2
An embodiment of the present disclosure provides a method for testing a flight parameter acquisition and recording device testing system, based on the flight parameter acquisition and recording device testing system described in embodiment 1, the testing system includes: the system comprises a central control unit, a signal simulation unit, tested equipment, a data processing unit and a terminal display unit, wherein the units are connected through a system cable.
The central control unit is a control processing center of the whole test system, and has the main functions of system model binding, test mode selection, test instruction issuing and the like. The system comprises two test modes, namely automatic test and manual test, wherein the central control unit selects corresponding system configuration interface files according to the type of the tested equipment, and can freely create new configuration interface files according to requirements. The configuration interface file prescribes the parameter types, data packet output frequencies, various parameter output numbers and parameter channel numbers required to be output by the signal simulation unit, and the specific parameters prescribe the requirements of names, signal properties, limit values, parameter output value numbers, output thresholds and the like of the parameters. The central control unit binds the configuration interface file into the central control unit for caching, and then sends a test instruction to the signal simulation unit according to the content of the configuration interface file and the test mode requirement.
The main functions of the signal simulation unit are to simulate various signals on a simulator, including various types of data such as analog quantity, switching value, audio frequency, video frequency and ARINC429, 1553B, HDLC, RS422 bus parameters, and the like, and provide a signal source for tested equipment. The signal simulation unit selects a test mode according to the instruction sent by the central control unit, configures the parameter channel according to the instruction and generates a test parameter configuration table according to the requirement. In the automatic mode, the signal simulation unit automatically outputs parameters of each channel for the tested equipment to collect according to the specified content in the parameter configuration table at fixed frequency and time sequence, and when a certain channel signal is output, the control circuit of the simulation unit selects the signal source to the channel, and all other parameter channels are uniformly grounded, so that the isolation test of the channel can be completed. In a manual mode, a user can independently apply signals to a parameter acquisition channel which is hoped to be detected in an important mode, manually set a signal source threshold value, observe a result fed back by tested equipment through a terminal display unit, and can be used for targeted fault detection work.
The tested equipment is an on-board flight parameter system and comprises a collector, a recorder, a cache and other equipment.
The data processing unit is mainly used for receiving data acquired by the tested equipment, analyzing and processing the data, sending the result to the terminal display unit in real time, and automatically generating a test report after the test is finished. The data processing unit receives the data frame sent by the tested equipment, unpacks the data according to the communication protocol, restores the data of each channel according to the resolving library, compares the parameter value of each channel with the standard value after the resolving is completed, judges that the acquisition channel of the tested equipment is likely to be faulty if the parameter value of a certain channel is out of tolerance, is provided with an equipment fault processing expert library, can give corresponding circuit fault analysis and fault removal advice according to the signal type, helps a user to quickly locate fault points, quickly removes faults, and can write the expert library if a new fault removal idea exists after the user processes the equipment faults, so that the expert library is continuously expanded. And the data processing unit sends the information generation test report to the terminal display unit after the test is completed. The terminal display unit is a man-machine interaction interface of the test system, a user can monitor the test process in real time through the display unit to check a system test report, the user can freely select a concerned parameter channel for monitoring during manual test, and the parameter threshold can be manually adjusted through the display unit to perform targeted fault detection.
The method comprises two test modes of automatic detection and manual detection;
the automatic detection mode is to detect the tested equipment according to a pre-designated program, the user modifies and sets the content of the test program according to the need, and adopts a sequential test method, wherein each parameter channel of the flight parameter acquisition equipment is tested according to a time-sharing sequence, the time-sharing sequence test means that only one parameter is tested at a time, for example, 100 parameters are arranged according to a fixed sequence and are required to be tested within 1s, each parameter can be allocated to 10ms, and only one corresponding parameter is tested within 1s within 10 ms.
As shown in fig. 3, the output threshold of the information source of the board card is simulated by the software control signal, then the signal source is gated to the current channel of the collector by the control circuit, all other parameters are uniformly grounded, the collection results of all parameter channels of the collector are read, besides the collection precision judgment of the tested parameters according to the parameter table, the judgment is carried out in the error value range of whether all other parameters are 0V test points, whether the working state of the parameter collection channels is normal is judged, and a test report is automatically given. The software collects all parameter channel values, and other channels except the current measured parameter channel are 0, and if the parameter channel is not 0, short circuit faults are possible.
And in the manual detection mode, signals are independently applied to the selected parameter acquisition channels, a signal source threshold is manually set, and the software gives out the channel acquisition results. The applied signal is the meaning of the excitation voltage value, the parameter excitation value of each channel can be changed manually, for example, an analog quantity acquisition channel can output 1V voltage excitation to the channel, and can also be 2V or other voltage values, and the voltage values can be manually input through an input box of man-machine interaction interface software.
2 collectors with completely same software and hardware states and different collection parameters are matched with a part of flight parameter system, the system can be connected with two collectors at the same time, can output analog signals to any channel of the two collectors at the same time according to actual needs, receives flight parameter collection results and gives detection reports.
The test mode can fully ensure the integrity and the test depth of the flight parameter system acquisition and recording function test, and provides powerful guarantee for the maintenance of flight parameter acquisition and recording equipment.
Example 3
An embodiment of the present disclosure provides a computer-readable storage medium having stored therein a plurality of instructions adapted to be loaded by a processor of a terminal device and to perform any one of the flight parameter acquisition recording device testing method steps.
Example 4
An embodiment of the present disclosure provides a terminal device including a processor and a computer-readable storage medium, the processor configured to implement instructions; a computer readable storage medium is for storing a plurality of instructions adapted to be loaded by a processor and to perform the method steps of one of the flight parameter acquisition recording device testing methods of any one of the claims.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the specific embodiments of the present disclosure have been described above with reference to the drawings, it should be understood that the present disclosure is not limited to the embodiments, and that various modifications and changes can be made by one skilled in the art without inventive effort on the basis of the technical solutions of the present disclosure while remaining within the scope of the present disclosure.
Claims (10)
1. A flight parameter acquisition recording device test system, comprising:
the central control unit is communicated with the signal simulation unit, the data processing unit and the terminal display unit in a connecting way;
the signal simulation unit is used for simulating various signals on the simulator, is connected with the tested equipment, provides a signal source for the tested equipment, selects a test mode according to an instruction sent by the central control unit, configures a parameter channel according to the instruction, and generates a test parameter configuration table according to the need;
the data processing unit receives the data acquired by the tested equipment, analyzes and processes the data, sends the result to the terminal display unit in real time, and automatically generates a test report after the test is finished.
2. The system for testing a flight parameter acquisition and recording device according to claim 1, wherein the central control unit is used for testing system model binding, testing mode selection and test instruction issuing.
3. The system for testing the flight parameter acquisition and recording equipment according to claim 1, wherein various signals on the simulation machine simulated by the signal simulation unit comprise analog quantity, switching value, audio frequency, video frequency and various types of data of ARINC429, 1553B, HDLC, RS422 bus parameters.
4. The system of claim 1, wherein the device under test is an on-board flight system device comprising a collector, a recorder, and a cache device.
5. The system for testing the flight parameter acquisition and recording equipment according to claim 1, wherein the data processing unit unpacks the data according to the communication protocol after receiving the data frame sent by the tested equipment, and restores the data of each channel according to the resolving library, and if the value of a certain channel is out of tolerance, the possible failure of the acquisition channel of the tested equipment can be determined.
6. The test system of flight parameter acquisition and recording equipment according to claim 5, wherein the data processing unit is provided with an equipment fault processing expert library, and can give corresponding circuit fault analysis and fault elimination suggestions according to signal types, quickly locate fault points and quickly eliminate faults.
7. A test method based on a test system of a flight parameter acquisition and recording device according to claims 1-6, comprising two test modes, automatic detection and manual detection;
the automatic detection mode is to detect the tested equipment according to a pre-designated program, the user modifies and sets the content of the test program according to the need, a sequential test method is adopted, each parameter channel of the flight parameter acquisition equipment is tested according to time-sharing sequence, a signal simulation board information source output threshold is controlled by software, then the signal source is gated to the current channel of the collector by a control circuit, all other parameters are uniformly grounded, the acquisition results of all the parameter channels of the collector are read, besides the acquisition precision judgment of the tested parameters according to a parameter table, whether all other parameters are in the error value range of 0V test points is judged, whether the working state of the parameter acquisition channels is normal is judged, and a test report is automatically given.
8. A test method of a flight parameter acquisition recording device test system as claimed in claim 7, wherein,
and in the manual detection mode, signals are independently applied to the selected parameter acquisition channels, a signal source threshold is manually set, and the software gives out the channel acquisition results.
9. A computer-readable storage medium, characterized by: in which a plurality of instructions are stored, which instructions are adapted to be loaded by a processor of a terminal device and to carry out a method for testing a flight parameter acquisition recording device according to any one of claims 7-8.
10. A terminal device, characterized by: comprising a processor and a computer-readable storage medium, the processor configured to implement instructions; a computer readable storage medium for storing a plurality of instructions adapted to be loaded by a processor and to perform a method of testing a flight parameter acquisition recording device as claimed in any one of claims 7 to 8.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116933143A (en) * | 2023-09-15 | 2023-10-24 | 成都旋极历通信息技术有限公司 | Flight parameter data classification method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116933143A (en) * | 2023-09-15 | 2023-10-24 | 成都旋极历通信息技术有限公司 | Flight parameter data classification method |
| CN116933143B (en) * | 2023-09-15 | 2023-11-21 | 成都旋极历通信息技术有限公司 | Flight parameter data classification method |
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