CN109300359A - A method of realizing Aircraft Simulator data readback - Google Patents
A method of realizing Aircraft Simulator data readback Download PDFInfo
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- CN109300359A CN109300359A CN201811464482.0A CN201811464482A CN109300359A CN 109300359 A CN109300359 A CN 109300359A CN 201811464482 A CN201811464482 A CN 201811464482A CN 109300359 A CN109300359 A CN 109300359A
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- data
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- data packet
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
- G09B9/02—Simulators for teaching or training purposes for teaching control of vehicles or other craft
- G09B9/08—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of aircraft, e.g. Link trainer
Abstract
The present invention relates to a kind of methods for realizing Aircraft Simulator data readback, belong to Aircraft Simulator technical field.It is characterized by: this method comprises: communication configuration, data storage and data readback；The communication is configured that the system that flying quality circulates in Aircraft Simulator includes flight simulation computer, instructor console, virtual views and analog capsule cabin, it is same network segment by the network configuration of computers all in system, data communication uses ether net mode；The data storage are as follows: the flying quality of storage is divided into two types, and Class1 data are stored with 10 millisecond periods, including aircraft position and posture information, and 2 data of type are stored with 100 millisecond periods, including pilot guidance and subsystem status data；Flight simulation computer receiving data store instruction calls data memory module start recording；The data readback are as follows: flight simulation computer receiving data play-back command calls data read module, reads file in a binary format.
Description
Technical field
The present invention relates to a kind of methods for realizing Aircraft Simulator data readback, belong to Aircraft Simulator technical field.
Background technique
During pilot is trained using Aircraft Simulator, the function such as ratio, flight reappearance assessment are said in pilot's teaching
It can be very important.By the playback function of flight simulator, in Background scheduling data packet, can make recorded data into
The true playback of row, virtual views, cockpit system, instructor console are combined with flying quality, reproduce pilot guidance, aircraft
The data such as state of flight, flight path and fault message.Flight parameter can be analyzed, be studied by data packet simultaneously
The variation of various flight parameters in aircraft flight.It is also beneficial to debugging efforts of designer during developing simulator.
Therefore, flying quality packet is just particularly important in Aircraft Simulator.
In traditional Aircraft Simulator, partial simulation device periodically stores flying quality using text formatting.In this way
The case where not only causing file occupied space big, storing and reading speed is slower, and be easy to happen precise information loss of significance.
In order to slow down these disadvantages, the data of storage can only be subjected to screening reduction, the function of playing back so just reduces, and is unfavorable for teaching
Member comment on and the analysis of flying quality.Or partial simulation device uses binary format storing data, in order to guarantee simulator
Trained fidelity, emulation data updating rate are generally not less than 60 hertz.If storing all flying qualities with the period, equally
It is excessive to will cause data file.If record 2 hours, file may be more than 2G, so all be read into memory data, meeting
Throw exception, therefore can only also reduce the flying quality amount of storage.
Summary of the invention
The purpose of the present invention is to provide a kind of methods for realizing Aircraft Simulator data readback, are meeting emulation cycle
(be not less than 60 hertz) and data readback or analysis demand in advance under, by the parameter in flight course, (including pilot is grasped
Vertical, aircraft position, posture and all aircraft subsystem datas etc.) all storages, and total data is read to the file of storage, it uses
In realization data readback, analysis.
The present invention to achieve the goals above, adopts the following technical scheme that
A method of realizing Aircraft Simulator data readback, it is characterised in that:
This method comprises: communication configuration, data storage and data readback；
The communication is configured that the system that flying quality circulates in Aircraft Simulator includes flight simulation computer, teacher's control
Platform, virtual views and analog capsule cabin processed, by the network configuration of computers all in system be same network segment, data communication use with
Too net mode；
The data storage are as follows: the flying quality of storage is divided into two types, and Class1 data are stored with 10 millisecond periods, including
Aircraft position and posture information, 2 data of type are stored with 100 millisecond periods, including pilot guidance and subsystem status data；
Flight simulation computer receiving data store instruction calls data memory module start recording；
The data readback are as follows: flight simulation computer receiving data play-back command calls data read module, with binary system lattice
Formula reads file.
Further, in the communication configuration: instructor console sends control instruction to flight simulation computer, and aircraft is imitative
True system is stored flying quality into file, or read flying quality from file and played back, simultaneously by analyzing the instruction
The data of playback are sent to virtual views, analog capsule cabin and instructor console to show and monitor.
Further, in the communication configuration: real-time and fidelity in order to guarantee simulator emulation, flight simulation system
System operates in Vxworks system, and single step run cycle set is 100 hertz, and the period is 10 milliseconds.
Further, the data storage are as follows: for Class1 data, in each single step emulation, by the data of Class1
Packet header and data update, and send storage message, end-of-file are written with binary format in data packet head and data, while updating text
Part head information.
Further, the data storage are as follows: for 2 data of type, started counting from 10 milliseconds of the period, each single step is imitative
True superposition 10 after 100 millisecond of period for reaching setting, the data packet head of type 2 and data is updated, storage message is sent, will
End-of-file is written with binary format in data packet head and data, while updating File header information, then again from 10 milliseconds of period
It starts counting, circulation carries out.
Further, the data readback are as follows: File header information is read in first, then read data packet head, according to data
Length read data packet, and judge for data packet to be stored in Class1 or the total data packet of type 2 according to data type, circulation behaviour
Make, until file is run through.
Further, during data readback, for Class1 data, in each single step emulation, from the total of Class1
A data packet output is extracted in data packet, the position taken is superimposed since 1, until data packet takes.
Further, it during data readback, for 2 data of type, is started counting from 10 milliseconds of the period, each single step
It is superimposed 10 in emulation, after 100 milliseconds of period for reaching setting, a data packet output is taken from the total data packet of type 2, is taken
Position is superimposed since 1, until data packet takes.
Further, during data readback, in real time by the total data packet of Class1 or type 2 be sent to virtual views,
In analog capsule cabin and instructor console.
Working principle of the present invention is after aircraft emulation system receives instruction data storage, using binary format multicycle mould
File is written in flying quality by formula.File header includes airplane information, record duration, data packet number etc., to needing to meet what comes into a driver's
The data and pilot guidance data that system display requires control simulation cabin display and teacher with minimum period (millisecond) storage
Platform monitoring data processed are stored with the higher period.Storage every frame data packet with data packet head (including data type, data length,
Store period etc.) it is mark, data file is stored in flight simulation computer with suffix name .rep.Aircraft emulation system receives
After data readback instruction, the data in file are all read into memory, after running through File header information, read data packet first
Then head distinguishes data packet, data length data intercept packet and the corresponding number of storage period playback according to data type therein
According to packet.
Beneficial effects of the present invention: present invention reduction storing data file occupies space, while meeting simulator playback
All data demands, virtual views, cockpit system and instructor console can reproduce the flight course of pilot.Be conducive to
Pilot carries out teaching and says ratio, flight reappearance assessment etc..
Detailed description of the invention
Fig. 1 is data Stored Procedure figure of the invention；
Fig. 2 is data readback flow chart of the invention.
Specific embodiment
The present invention will be described in detail for connection with figures 1,2 below:
A method of realizing Aircraft Simulator data readback, it is characterised in that:
This method comprises: communication configuration, data storage and data readback；
In Fig. 1:
Module 1: data storage
Data packet 1: the Class1 data packet stored with m period；
Data packet 2: 2 data packet of type stored with n period；
Write-in 1: File header information updates write-in file header；
Write-in 2: data packet head is written in end-of-file；
Write-in 3: data packet is written in end-of-file.
In Fig. 2:
Module 2: data readback
It reads 1: reading file header；
Reading 2: read data packet head；
Reading 3: read data packet；
Total data packet 1: it is amounted to the Class1 data packet of m period storage；
Total data packet 2: it is amounted to 2 data packet of type of n period storage.
Communication configuration
The system that flying quality circulates in Aircraft Simulator mainly includes flight simulation computer, instructor console, virtual view
Scape and analog capsule cabin, are same network segment by the network configuration of computers all in system, and data communication uses ether net mode.Religion
Member's console sends control instruction to flight simulation computer, and aircraft emulation system is stored flying quality by analyzing the instruction
Into file, or flying quality is read from file and is played back, while the data of playback are sent to virtual views, simulation seat
Cabin and instructor console show and monitor.In order to guarantee the real-time and fidelity of simulator emulation, aircraft emulation system
It operates in Vxworks system, single step run cycle set is 100 hertz (10 milliseconds).
Data storage
The flying quality of storage is divided into two types, and Class1 data are stored with 10 millisecond periods, including aircraft position and posture letter
Breath, 2 data of type are stored with 100 millisecond periods, including pilot guidance and subsystem status data.Flight simulation computer connects
Instruction data storage is received, data memory module start recording is called.As shown in Figure 1, for Class1 data, it is imitative in each single step
In very, the data packet head of Class1 and data are updated, storage message is sent, data packet head and data is write with binary format
Enter end-of-file, while updating File header information.It for 2 data of type, is started counting from 10 milliseconds of the period, each single step emulation is folded
Add 10, after 100 milliseconds of period for reaching setting, the data packet head of type 2 and data are updated, storage message is sent, by data
Packet header and data update File header information with binary format write-in end-of-file, then restart from 10 milliseconds of the period
It counts, circulation carries out.Data file be stored in present procedure path " ata0b bin Replay " under, it is entitled
“FlightData.rep”。
Data readback
Flight simulation computer receiving data play-back command calls data read module, in a binary format read path
" ata0b bin Replay " under FlightData.rep file.As shown in Fig. 2, reading in File header information first, so
Read data packet head afterwards according to data length read data packet, and judges data packet being stored in Class1 or class according to data type
In the total data packet of type 2, circulate operation, until file is run through.During data readback, for Class1 data, each single
In step emulation, a data packet output is extracted from the total data packet of Class1, the position taken is superimposed since 1, until data packet
It takes.It for 2 data of type, is started counting from 10 milliseconds of the period, is superimposed 10 in each single step emulation, reaches the period of setting
After 100 milliseconds, a data packet output is taken from the total data packet of type 2, the position taken is superimposed since 1, until data packet
It takes.Data packet 1 and data packet 2 are sent in virtual views, analog capsule cabin and instructor console in real time simultaneously.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of method for realizing Aircraft Simulator data readback, it is characterised in that:
This method comprises: communication configuration, data storage and data readback；
The communication is configured that the system that flying quality circulates in Aircraft Simulator includes flight simulation computer, teacher's control
Platform, virtual views and analog capsule cabin processed, by the network configuration of computers all in system be same network segment, data communication use with
Too net mode；
The data storage are as follows: the flying quality of storage is divided into two types, and Class1 data are stored with 10 millisecond periods, including
Aircraft position and posture information, 2 data of type are stored with 100 millisecond periods, including pilot guidance and subsystem status data；
Flight simulation computer receiving data store instruction calls data memory module start recording；
The data readback are as follows: flight simulation computer receiving data play-back command calls data read module, with binary system lattice
Formula reads file.
2. the method according to claim 1 for realizing Aircraft Simulator data readback, it is characterised in that: the communication configuration
In: instructor console sends control instruction to flight simulation computer, and aircraft emulation system is by analyzing the instruction, by flying quality
It stores into file, or reads flying quality from file and played back, while the data of playback are sent to virtual views, mould
Quasi- cockpit and instructor console show and monitor.
3. the method according to claim 1 for realizing Aircraft Simulator data readback, it is characterised in that: the communication configuration
In: real-time and fidelity in order to guarantee simulator emulation, aircraft emulation system operate in Vxworks system, single step fortune
Row cycle set is 100 hertz, and the period is 10 milliseconds.
4. the method according to claim 1 for realizing Aircraft Simulator data readback, it is characterised in that: the data storage
Are as follows: the data packet head of Class1 and data are updated by Class1 data in each single step emulation, send storage message, it will
Data packet head and data update File header information with binary format write-in end-of-file.
5. the method according to claim 1 for realizing Aircraft Simulator data readback, it is characterised in that: the data storage
Are as follows: it for 2 data of type, is started counting from 10 milliseconds of the period, each single step emulation superposition 10 reaches 100 milli of period of setting
After second, the data packet head of type 2 and data are updated, storage message is sent, data packet head and data is write with binary format
Enter end-of-file, while updating File header information, then restart to count from 10 milliseconds of the period, circulation carries out.
6. the method according to claim 1 for realizing Aircraft Simulator data readback, it is characterised in that: the data readback
Are as follows: File header information is read in first, then read data packet head, according to data length read data packet, and according to data type
Judge to be stored in data packet in Class1 or the total data packet of type 2, circulate operation, until file is run through.
7. the method according to claim 6 for realizing Aircraft Simulator data readback, it is characterised in that: in data readback
Cheng Zhong in each single step emulation, a data packet output is extracted from the total data packet of Class1, is taken for Class1 data
Position be superimposed since 1, until data packet takes.
8. the method according to claim 6 for realizing Aircraft Simulator data readback, it is characterised in that: in data readback
Cheng Zhong starts counting 2 data of type from 10 milliseconds of the period, is superimposed 10 in each single step emulation, reaches the period of setting
After 100 milliseconds, a data packet output is taken from the total data packet of type 2, the position taken is superimposed since 1, until data packet
It takes.
9. the method according to claim 6 for realizing Aircraft Simulator data readback, it is characterised in that: in data readback
The total data packet of Class1 or type 2 is sent in virtual views, analog capsule cabin and instructor console by Cheng Zhong in real time.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111859614A (en) * | 2020-06-10 | 2020-10-30 | 中国人民解放军海军航空大学航空作战勤务学院 | Multifunctional advanced disk replication method for simulation system |
| CN112214836A (en) * | 2020-10-09 | 2021-01-12 | 中国航空工业集团公司成都飞机设计研究所 | Parameterized flight dynamic playback method |
| CN114330020A (en) * | 2022-01-06 | 2022-04-12 | 西安羚控电子科技有限公司 | Simulation data storage and reading method based on database |
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