CN114995887A - Synchronous starting recording method for double data cards - Google Patents
Synchronous starting recording method for double data cards Download PDFInfo
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- CN114995887A CN114995887A CN202210589548.9A CN202210589548A CN114995887A CN 114995887 A CN114995887 A CN 114995887A CN 202210589548 A CN202210589548 A CN 202210589548A CN 114995887 A CN114995887 A CN 114995887A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 24
- 238000013523 data management Methods 0.000 claims abstract description 38
- 230000009977 dual effect Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4403—Processor initialisation
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Abstract
The application belongs to the technical field of airborne data processing, and particularly relates to a method for synchronously starting and recording double data cards. The method is applied to an airborne data management subsystem, wherein the airborne data management subsystem comprises a data loading recorder DLR and a data management processor DMP, and the method comprises the following steps: step S1, respectively initializing the data cards in the two card slots of the data loading recorder DLR to 0; step S2, sending the resume time information to the data loading recorder DLR by the data management processor DMP; step S3, synchronously starting two data cards through a data loading recorder DLR to start recording airborne data, and simultaneously controlling a data management processor DMP to synchronously time; and step S4, if the recording state of the double data cards fed back by the data loading recorder DLR is normal within the preset time period, judging that the synchronous recording of the double data cards is successful, otherwise, determining the synchronous recording state of the double data cards through self-checking. The dual-card recording airborne data meets the use requirement of the airborne data during ground unloading.
Description
Technical Field
The application belongs to the technical field of airborne data processing, and particularly relates to a synchronous starting and recording method for double data cards.
Background
In the flight process of an airplane, airborne data are usually recorded by an airborne data management subsystem, the airborne data management subsystem comprises a data loading recorder DLR and a data management processor DMP, the data management processor DMP is located at the front end of the data loading recorder DLR, the data management processor DMP identifies and processes the airborne data and then sends the processed data to the data loading recorder DLR, and the data loading recorder DLR distributes space for storage.
From the data use perspective, the flight data and the maintenance data recorded by the data management subsystem are mainly used by ground personnel for evaluating the basic working states of the airplane and the systems after flight and providing a basis for the airplane to move again; the task loading data and the recorded task data are mainly used by the war personnel and used for task evaluation after flight. The current ground system is two independent departments of war and ground service, if only one data card is configured, the requirement of simultaneous use of the two departments cannot be met, and the current ground system cannot be adapted to troops. Moreover, the security level of the loaded data is higher, the security level of the other recorded data is lower, and the security problem conflicts. Therefore, two data cards with respective division work are configured in the data management and recording subsystem, the design of the two data cards can fully meet the requirements of different users, and meanwhile, the function of redundancy backup of flight data can be achieved
Disclosure of Invention
In order to solve the above problems, the present application provides a method for synchronously starting and recording two data cards, where two data cards with respective division of labor are configured in a data management recording subsystem, and the design of the two data cards can fully meet the requirements of different users, and can play a role in backup of redundancy of flight data, and the method mainly includes:
step S1, respectively initializing the data cards in the two card slots of the data loading recorder DLR to 0;
step S2, sending the resume time information to the data loading recorder DLR by the data management processor DMP;
step S3, two data cards are synchronously started through a data loading recorder DLR to start recording airborne data, and meanwhile, a data management processor DMP is controlled to synchronously time;
and step S4, if the recording state of the double data cards fed back by the data loading recorder DLR is normal within the preset time period, judging that the synchronous recording of the double data cards is successful, otherwise, determining the synchronous recording state of the double data cards through self-checking.
Preferably, step S1 is preceded by controlling the data management recording subsystem to power up upon start-up of the aircraft.
Preferably, after step S1, the method further includes reporting, by the data load recorder DLR, that the two data cards are in the ready state to the data management processor DMP.
Preferably, in step S1, the two data cards are the data transmission card DTC and the maintenance data card MDC, respectively.
Preferably, in step S4, the set time period is 15 to 30 seconds.
Preferably, the set period of time is 20 s.
Preferably, in step S4, the determining the synchronous recording status of the dual data cards through self-checking includes:
starting periodic self-checking by a DMP (data management processor);
querying the recording status bits of the two data cards, wherein the recording status bits are binary bits used for indicating whether the recording is normal or not when the two data cards perform synchronous recording;
and if the record status bit is assigned as a preset value, the self-checking is normal, the synchronous recording of the double data cards is judged to be successful, and otherwise, the DLR is judged to be abnormal.
The airborne data are recorded through the double cards, and the using requirements of the airborne data during ground unloading are met.
Drawings
Fig. 1 is a flowchart of a method for synchronously starting recording by two data cards according to a preferred embodiment of the present application.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application, and should not be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Embodiments of the present application will be described in detail below with reference to the drawings.
The method for synchronously starting and recording the double data cards is mainly applied to an airborne data management subsystem, the airborne data management subsystem comprises a data loading recorder DLR and a data management processor DMP, and the starting and stopping conditions recorded by the data management subsystem are as follows: the data management subsystem is powered on along with the airplane, the recording is started when the airplane is powered on, and the recording is stopped when the airplane is powered off.
Therefore, the dual data cards are required to start recording work at the same time so as to ensure the consistency of the data of the dual cards. As shown in fig. 1, the method for synchronously starting recording by two data cards mainly includes:
step S1, respectively initializing the data cards in the two card slots of the data loading recorder DLR to 0;
step S2, sending the resume time information to the data loading recorder DLR by the data management processor DMP;
step S3, synchronously starting two data cards through a data loading recorder DLR to start recording airborne data, and simultaneously controlling a data management processor DMP to synchronously time;
and step S4, if the recording state of the double data cards fed back by the data loading recorder DLR is normal within the preset time period, judging that the synchronous recording of the double data cards is successful, otherwise, determining the synchronous recording state of the double data cards through self-checking.
In some alternative embodiments, step S1 is preceded by controlling the data management recording subsystem to power up upon start-up of the aircraft.
In some optional embodiments, after step S1, the method further includes reporting, by the data load recorder DLR, that the two data cards are in the ready state to the data management processor DMP.
In some optional embodiments, in step S1, the two data cards are a data transmission card DTC and a maintenance data card MDC, respectively, and the data transmission card DTC and the maintenance data card MDC are installed in the card slots of the data load recorder DLR.
In some alternative embodiments, the step S4 of determining the synchronous recording status of the dual data card through self-checking includes:
starting periodic self-checking by a DMP (data management processor);
inquiring the recording status bits of the two data cards, wherein the recording status bits are binary bits used for indicating whether the recording is normal or not when the two data cards perform synchronous recording;
and if the recording status bit is assigned as a preset value, the self-checking is normal, the synchronous recording of the double data cards is judged to be successful, and otherwise, the DLR is judged to be abnormal.
In some optional embodiments, in step S4, the set time period is 15 to 30S. For example, when the set time period is 20S, step S4 specifically includes: if the data loading recorder feeds back the recording normal state of the double data cards to the data management processor DMP within 20 seconds, namely the synchronous recording of the double data cards is successful, the double data cards enter a normal working state. If the data loading recorder does not feed back the recording normal state of the double data cards to the data management processor DMP within 20 seconds, the period self-check is carried out to judge whether a fault exists, and if the self-check is normal, the recording normal state of the double data cards is reported, which indicates that the double data cards are in normal operation; otherwise, reporting the fault of the data loading recorder and needing troubleshooting.
This application is verified through some unmanned aerial vehicle scientific research test flight, and this kind of method of double data card synchronous start record obtains fully verifying, satisfies the user demand.
Although the present application has been described in detail with respect to the general description and specific embodiments, it will be apparent to those skilled in the art that certain modifications or improvements may be made based on the present application. Accordingly, such modifications and improvements are intended to be within the scope of this invention as claimed.
Claims (7)
1. A synchronous start recording method for double data cards is applied to an airborne data management subsystem, wherein the airborne data management subsystem comprises a Data Loading Recorder (DLR) and a Data Management Processor (DMP), and the method is characterized by comprising the following steps:
step S1, respectively initializing the data cards in the two card slots of the data loading recorder DLR to 0;
step S2, sending the resume time information to the data loading recorder DLR by the data management processor DMP;
step S3, two data cards are synchronously started through a data loading recorder DLR to start recording airborne data, and meanwhile, a data management processor DMP is controlled to synchronously time;
and step S4, if the recording state of the double data cards fed back by the data loading recorder DLR is normal within the preset time period, judging that the synchronous recording of the double data cards is successful, otherwise, determining the synchronous recording state of the double data cards through self-checking.
2. The method for synchronously booting a dual data card to record as claimed in claim 1, wherein before the step S1, the method further comprises controlling the data management recording subsystem to be powered on when the airplane is booted.
3. The method for synchronously starting recording by two data cards according to claim 1, wherein after step S1, the method further comprises reporting that the two data cards are in a ready state to the data management processor DMP by the data load recorder DLR.
4. The method for synchronously starting recording by two data cards as claimed in claim 1, characterized in that in step S1, the two data cards are respectively a data transmission card DTC and a maintenance data card MDC.
5. The method for synchronously starting recording by two data cards according to claim 1, wherein in step S4, the set time period is 15-30S.
6. The dual data card synchronous start recording method as set forth in claim 5, wherein the set time period is 20 s.
7. The method for synchronously starting recording by two data cards as claimed in claim 1, wherein the step S4 of determining the synchronous recording status by self-checking comprises:
starting periodic self-checking by a DMP (data management processor);
querying the recording status bits of the two data cards, wherein the recording status bits are binary bits used for indicating whether the recording is normal or not when the two data cards perform synchronous recording;
and if the record status bit is assigned as a preset value, the self-checking is normal, the synchronous recording of the double data cards is judged to be successful, and otherwise, the DLR is judged to be abnormal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210589548.9A CN114995887A (en) | 2022-05-26 | 2022-05-26 | Synchronous starting recording method for double data cards |
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| CN202210589548.9A CN114995887A (en) | 2022-05-26 | 2022-05-26 | Synchronous starting recording method for double data cards |
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|---|---|---|---|---|
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| US20090198392A1 (en) * | 2008-02-04 | 2009-08-06 | Lockheed Martin Corporation | Apparatus, program product, and methods for updating data on embedded control systems |
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| CN112116729A (en) * | 2020-09-09 | 2020-12-22 | 天津津航计算技术研究所 | Airborne data acquisition method based on VxWorks system |
| CN113885394A (en) * | 2021-10-20 | 2022-01-04 | 中国人民解放军海军航空大学青岛校区 | Airborne data comprehensive acquisition and recording system and method |
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2022
- 2022-05-26 CN CN202210589548.9A patent/CN114995887A/en active Pending
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