CN109743291A - A kind of telemetry real time processing system and method based on round-robin queue - Google Patents
A kind of telemetry real time processing system and method based on round-robin queue Download PDFInfo
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- CN109743291A CN109743291A CN201811518550.7A CN201811518550A CN109743291A CN 109743291 A CN109743291 A CN 109743291A CN 201811518550 A CN201811518550 A CN 201811518550A CN 109743291 A CN109743291 A CN 109743291A
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Abstract
The telemetry real time processing system based on round-robin queue that the invention discloses a kind of, is related to aircraft Telemetering Data Processing technical field.Telemetry source is connected with data processing computer by Ethernet for wirelessly receiving telemetering initial data；Data processing computer includes UDP network communication module, UDP message receiving module, datacycle memory module and reading data and processing module.The present invention replaces linear data structure storehouse to carry out reading and writing data with ring-like data structure, can significantly reduce spatial cache expense；Data receiver and processing is decoupling, there is high real-time, and avoid reception data and immediately treat the buffer area read-write conflict be easy to causeing.The invention also discloses a kind of telemetry real-time processing method based on round-robin queue.
Description
Technical field
The present invention relates to aircraft Telemetering Data Processing technical fields, are specifically related to a kind of telemetering based on round-robin queue
Generating date system and method.
Background technique
During the development of the aircraft such as carrier rocket, spacecraft is taken a flight test, telemetry system is responsible for obtaining aircraft interior
The working status parameter and environmental data of each system provide foundation to evaluate the performance of aircraft and carrying out accident analysis.Telemetering
Data processing is an important link of telemetering process, is directly related to the offer and interpretation efficiency of telemetry.Its task is
The original information sequence that telemetry station is received, by choosing road, splicing and operation, complete slow varying parameter engineering unit conversion,
The items such as time command parameter processing handle work.But flight test mission Telemetering Data Processing mostly uses post-processing mode,
Real time monitoring effect is not had to flight course.On the other hand, certain flight test missions use the telemetry side of processing in real time
Formula, but because telemetry have the unit time in data volume it is big, need biggish spatial cache be just able to satisfy in real time read and write and
Hardware cost is greatly improved the characteristics of processing in real time.Therefore, a kind of hardware reduced when telemetry is handled in real time is needed
The technical solution of expense.
Summary of the invention
The purpose of the invention is to overcome the shortcomings of above-mentioned background technique, a kind of telemetering number based on round-robin queue is provided
According to real time processing system and method, significantly reduce caching hardware spending.
The present invention provides a kind of telemetry real time processing system based on round-robin queue, including telemetry source and data
Handle computer；
The telemetry source passes through for wirelessly receiving telemetering initial data with data processing computer
Ethernet connection；
The data processing computer includes:
UDP network communication module carries out transport layer communication for establishing socket, and provides and send network data message
The interface function of interface function and receiving network data message；
UDP message receiving module, the interface letter of the receiving network data message for calling UDP network communication module to provide
Number, establishes data receiver thread, to cache the data sent from telemetry source；
Datacycle memory module, for opening up the round-robin queue for occupying fixed memory size, by data receiver line
The data cached in journey successively copy round-robin queue to, when the remaining memory headroom of round-robin queue is not enough to store what needs copied
Continue to store since round-robin queue's head when data, after the remaining memory headroom of queue is filled up；
Reading data and processing module are carried out for reading data from round-robin queue, and according to telemetry frame format
Parsing.
On the basis of above scheme, data Layer in the Ethernet between the telemetry source and data processing computer
It is transmitted using udp protocol, application layer is carried out data transmission using PDXP agreement.
On the basis of above scheme, the data processing computer further includes configuration module, is used to be arranged at data
Computer IP address and port are managed, and will need the format by the received telemetry frame of network that data are written in testing process
Handle computer；When application layer is carried out data transmission using PDXP agreement, 32 byte frame head of PDXP agreement is added to transmission data,
And it is transmitted according to the format of the telemetry frame of configuration module write-in data processing computer.
On the basis of above scheme, the data processing computer further includes real-time display module and running state monitoring
Module, real-time display module are shown for the destination file that reading data and processing module parse to be carried out refreshing；Run shape
State monitoring module is used to be monitored at interval of operating status of the certain time to each module of the data processing computer,
It reads the operating status of data receiver thread and the operating status of UDP socket and is shown.
On the basis of above scheme, the data processing computer further includes log module, is used for each module
The exception generated in operational process carries out deposit record.
On the basis of above scheme, the data processing computer further includes data storage module, is used to recycle
The data cached in queue are deposited, and binary file is written.
On the basis of above scheme, the telemetry source be the vehicle-mounted CRT equipment of telemetry vehicle and RTR equipment, for pair
Received telemetering initial data carries out the conversion work that PCM telemetry code flows to UDP network data message.
On the basis of above scheme, the UDP network communication mould establish socket carry out transport layer communication when, according to
The socket for establishing different IP addresses and port numbers is arranged in family.
The present invention also provides a kind of telemetering numbers of telemetry real time processing system using described based on round-robin queue
According to real-time processing method, comprising the following steps:
The telemetry source wirelessly receives telemetering initial data, and passes through ether with data processing computer
Net connection；
UDP network communication module establishes socket and carries out transport layer communication, and provides the interface for sending network data message
The interface function of function and receiving network data message；
The interface function for the receiving network data message that UDP message receiving module calls UDP network communication module to provide, builds
Vertical data receiver thread, to cache the data sent from telemetry source；
Datacycle memory module opens up the round-robin queue for occupying fixed memory size, will delay in data receiver thread
The data deposited successively copy round-robin queue to, when the remaining memory headroom of round-robin queue is not enough to store the data for needing to copy
When, continue to store since round-robin queue's head after the remaining memory headroom of queue is filled up；
Reading data and processing module read data from round-robin queue, and are parsed according to telemetry frame format.
On the basis of above scheme, the method also includes following steps:
The destination file that reading data and processing module parse is carried out refreshing and shown by real-time display module；
Running state monitoring module is at interval of certain time to the operation shape of each module of the data processing computer
State is monitored, and is read the operating status of data receiver thread and the operating status of UDP socket and is shown；
The exception generated in each module operational process is carried out deposit record by log module；
Data storage module deposits the data cached in round-robin queue, and binary file is written.
Compared with prior art, advantages of the present invention is as follows:
The present invention replaces linear data structure storehouse to carry out reading and writing data with ring-like data structure, can significantly reduce caching
Space expense；Data receiver and processing is decoupling, there is high real-time, and avoid and receive data and immediately treat and be easy to cause
Buffer area read-write conflict.
Detailed description of the invention
Fig. 1 is the flow diagram of the telemetry real-time processing method based on round-robin queue of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.
Embodiment 1:
Shown in Figure 1, the embodiment of the present invention provides a kind of telemetry real time processing system based on round-robin queue, packet
Include telemetry source and data processing computer；
The telemetry source passes through for wirelessly receiving telemetering initial data with data processing computer
Ethernet connection；
The data processing computer includes:
UDP network communication module carries out transport layer communication for establishing socket, and provides and send network data message
The interface function of interface function and receiving network data message；
UDP message receiving module, the interface letter of the receiving network data message for calling UDP network communication module to provide
Number, establishes data receiver thread, to cache the data sent from telemetry source；
Datacycle memory module, for opening up the round-robin queue for occupying fixed memory size, by data receiver line
The data cached in journey successively copy round-robin queue to, when the remaining memory headroom of round-robin queue is not enough to store what needs copied
Continue to store since round-robin queue's head when data, after the remaining memory headroom of queue is filled up；
Reading data and processing module are carried out for reading data from round-robin queue, and according to telemetry frame format
Parsing.
Data Layer is passed using udp protocol in Ethernet between the telemetry source and data processing computer
Defeated, application layer is carried out data transmission using PDXP agreement.
The data processing computer further includes configuration module, is used to be arranged data processing computer IP address and end
Mouthful, and will need the format by the received telemetry frame of network that data processing computer is written in testing process；Application layer
When carrying out data transmission using PDXP agreement, 32 byte frame head of PDXP agreement is added to transmission data, and write according to configuration module
The format for entering the telemetry frame of data processing computer is transmitted, i.e., is transmitted according to 1 format of table:
The data transmission format of 1 telemetry frame of table
The data processing computer further includes real-time display module and running state monitoring module, and real-time display module is used
Refreshing is carried out in the destination file for parsing reading data and processing module to show；Running state monitoring module be used at interval of
Certain time is monitored the operating status of each module of the data processing computer, reads the fortune of data receiver thread
The operating status of row state and UDP socket is simultaneously shown.
The data processing computer further includes log module, is used for the exception that will be generated in each module operational process
Carry out deposit record.
The data processing computer further includes data storage module, is used to carry out the data cached in round-robin queue
Binary file is written in deposit.
The telemetry source be the vehicle-mounted CRT equipment of telemetry vehicle and RTR equipment, for received telemetering initial data into
Row PCM telemetry code flows to the conversion work of UDP network data message.
When the UDP network communication mould establishes socket progress transport layer communication, with establishing different IP according to user setting
The socket of location and port numbers.
The embodiment of the present invention replaces linear data structure storehouse to carry out reading and writing data with ring-like data structure, can significantly subtract
Small spatial cache expense；Data receiver and processing is decoupling, there is high real-time, and avoid reception data and immediately treat appearance
The buffer area read-write conflict easily caused.
Embodiment 2:
The embodiment of the present invention provides a kind of telemetry using the telemetry real time processing system based on round-robin queue
Real-time processing method, comprising the following steps:
The telemetry source wirelessly receives telemetering initial data, and passes through ether with data processing computer
Net connection；
UDP network communication module establishes socket and carries out transport layer communication, and provides the interface for sending network data message
The interface function of function and receiving network data message；
The interface function for the receiving network data message that UDP message receiving module calls UDP network communication module to provide, builds
Vertical data receiver thread, to cache the data sent from telemetry source；
Datacycle memory module opens up the round-robin queue for occupying fixed memory size, will delay in data receiver thread
The data deposited successively copy round-robin queue to, when the remaining memory headroom of round-robin queue is not enough to store the data for needing to copy
When, continue to store since round-robin queue's head after the remaining memory headroom of queue is filled up；
There are a read pointer and a write pointer in the round-robin queue, will when turn-on data receiving thread starts to receive data
The data received every time are first cached to data receiver thread, at the position for then copying round-robin queue's write pointer to, and will be write
The position of pointer is moved to the end of copy data.The end of the data of copy round-robin queue if more than, the then number exceeded
It is stored since queue heads according to part.
Reading data and processing module read data from round-robin queue and do corresponding calculating, will read after the completion of reading every time
Pointer is moved to the data end of reading.
As preferred embodiment, this method is further comprising the steps of:
The destination file that reading data and processing module parse is carried out refreshing and shown by real-time display module；
Running state monitoring module is at interval of certain time to the operation shape of each module of the data processing computer
State is monitored, and is read the operating status of data receiver thread and the operating status of UDP socket and is shown；
The exception generated in each module operational process is carried out deposit record by log module；
Data storage module deposits the data cached in round-robin queue, and binary file is written.
Those skilled in the art can carry out various modifications to the embodiment of the present invention and modification, if these modifications and change
For type within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention
Within.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (10)
1. a kind of telemetry real time processing system based on round-robin queue, which is characterized in that including telemetry source and data
Handle computer；
The telemetry source passes through ether with data processing computer for wirelessly receiving telemetering initial data
Net connection；
The data processing computer includes:
UDP network communication module carries out transport layer communication for establishing socket, and provides the interface for sending network data message
The interface function of function and receiving network data message；
UDP message receiving module, the interface function of the receiving network data message for calling UDP network communication module to provide,
Data receiver thread is established, to cache the data sent from telemetry source；
Datacycle memory module will be in data receiver thread for opening up the round-robin queue for occupying fixed memory size
The data of caching successively copy round-robin queue to, when the remaining memory headroom of round-robin queue is not enough to store the data for needing to copy
When, continue to store since round-robin queue's head after the remaining memory headroom of queue is filled up；
Reading data and processing module are parsed for reading data from round-robin queue, and according to telemetry frame format.
2. the system as claimed in claim 1, it is characterised in that: between the telemetry source and data processing computer with
Too data Layer is transmitted using udp protocol in net, and application layer is carried out data transmission using PDXP agreement.
3. system as claimed in claim 2, it is characterised in that: the data processing computer further includes configuration module, is used
In setting data processing computer IP address and port, and will be needed in testing process through the received telemetry frame of network
Data processing computer is written in format；When application layer is carried out data transmission using PDXP agreement, transmission data are assisted plus PDXP
32 byte frame heads are discussed, and are transmitted according to the format of the telemetry frame of configuration module write-in data processing computer.
4. the system as claimed in claim 1, it is characterised in that: the data processing computer further include real-time display module and
Running state monitoring module, real-time display module is for refreshing the destination file that reading data and processing module parse
Display；Running state monitoring module is used at interval of certain time to the operation shape of each module of the data processing computer
State is monitored, and is read the operating status of data receiver thread and the operating status of UDP socket and is shown.
5. the system as claimed in claim 1, it is characterised in that: the data processing computer further includes log module, is used
In the exception generated in each module operational process is carried out deposit record.
6. the system as claimed in claim 1, it is characterised in that: the data processing computer further includes data storage module,
Its data for being used to cache in round-robin queue is deposited, and binary file is written.
7. the system as claimed in claim 1, it is characterised in that: the telemetry source is the vehicle-mounted CRT equipment of telemetry vehicle and RTR
Equipment, for carrying out the conversion work that PCM telemetry code flows to UDP network data message to received telemetering initial data.
8. the system as claimed in claim 1, it is characterised in that: the UDP network communication mould establishes socket and carries out transport layer
When communication, the socket of different IP addresses and port numbers is established according to user setting.
9. a kind of telemetry real time processing system based on round-robin queue using as described in claim 1~8 any one
Telemetry real-time processing method, which comprises the following steps:
The telemetry source wirelessly receives telemetering initial data, and is connected with data processing computer by Ethernet
It connects；
UDP network communication module establishes socket and carries out transport layer communication, and provides the interface function for sending network data message
With the interface function of receiving network data message；
The interface function for the receiving network data message that UDP message receiving module calls UDP network communication module to provide, establishes number
According to receiving thread, to cache the data sent from telemetry source；
Datacycle memory module opens up the round-robin queue for occupying fixed memory size, by what is cached in data receiver thread
Data successively copy round-robin queue to, will when the remaining memory headroom of round-robin queue is not enough to store the data for needing to copy
The remaining memory headroom of queue continues to store since round-robin queue's head after filling up；
Reading data and processing module read data from round-robin queue, and are parsed according to telemetry frame format.
10. method as claimed in claim 9, which is characterized in that the method also includes following steps:
The destination file that reading data and processing module parse is carried out refreshing and shown by real-time display module；
Running state monitoring module at interval of certain time to the operating status of each module of the data processing computer into
Row monitoring is read the operating status of data receiver thread and the operating status of UDP socket and is shown；
The exception generated in each module operational process is carried out deposit record by log module；
Data storage module deposits the data cached in round-robin queue, and binary file is written.
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| CN111091697A (en) * | 2019-11-29 | 2020-05-01 | 湖北航天飞行器研究所 | Telemetry data processing system |
| CN111263249A (en) * | 2019-11-29 | 2020-06-09 | 湖北航天飞行器研究所 | Telemetry data processing method and device and readable storage medium |
| CN112637173A (en) * | 2020-12-16 | 2021-04-09 | 南京丹迪克科技开发有限公司 | Upper computer control communication method for calibrating device of electric energy quality test analyzer |
| CN113282350A (en) * | 2021-05-26 | 2021-08-20 | 重庆零壹空间科技集团有限公司 | Telemetering data interpretation method and device, computer equipment and readable storage medium |
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| CN111091697A (en) * | 2019-11-29 | 2020-05-01 | 湖北航天飞行器研究所 | Telemetry data processing system |
| CN111263249A (en) * | 2019-11-29 | 2020-06-09 | 湖北航天飞行器研究所 | Telemetry data processing method and device and readable storage medium |
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| CN113885788A (en) * | 2021-08-18 | 2022-01-04 | 上海机电工程研究所 | Air defense missile telemetering data circulating memory downloading method and system |
| CN116756217A (en) * | 2023-08-16 | 2023-09-15 | 航天科工火箭技术有限公司 | One-key telemetry data real-time processing and interpretation method and system |
| CN116756217B (en) * | 2023-08-16 | 2023-12-12 | 航天科工火箭技术有限公司 | One-key telemetry data real-time processing and interpretation method and system |
| CN117201602A (en) * | 2023-11-06 | 2023-12-08 | 北京星河动力装备科技有限公司 | Target telemetry data processing method, device, electronic equipment and storage medium |
| CN117201602B (en) * | 2023-11-06 | 2024-03-22 | 北京星河动力装备科技有限公司 | Target telemetry data processing method, device, electronic equipment and storage medium |
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Application publication date: 20190510 |