CN109873668A - Data group packet method, transmission method and system based on carrier rocket - Google Patents
Data group packet method, transmission method and system based on carrier rocket Download PDFInfo
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- CN109873668A CN109873668A CN201910177228.0A CN201910177228A CN109873668A CN 109873668 A CN109873668 A CN 109873668A CN 201910177228 A CN201910177228 A CN 201910177228A CN 109873668 A CN109873668 A CN 109873668A
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Abstract
The present invention relates to carrier rocket wireless data transmission technology field, data group packet method, transmission method and system based on carrier rocket are specifically disclosed, wherein group packet method is for including: the data for obtaining current time in control system；Extract the data of last moment；The data at the current time and the data of the last moment are packaged, and add data packet head and data packet tail, to obtain data packet.The delay data of the real time data at a certain moment and last moment are formed a data packet by control system, save data packet head and data packet tail, simultaneously as the increase of data packet length, reduce and fills word between packet and packet, it solves the problems, such as to carry out channel wastage caused by delay transport to control system data as telemetry system, to improve the utilization rate of telemeter channel.
Description
Technical field
The present invention relates to carrier rocket technical field of data transmission, and in particular to the data group Bao Fang based on carrier rocket
Method, transmission method and system.
Background technique
In the flight course of all types of carrier rockets, generated all kinds of parameters (containing all kinds of mechanics thermal environment parameters,
Image/video parameter, control system process data etc.) by telemetry system ground telemetering station is descended by Radio Link, and turn
It is dealt into observing and controlling hall, for relevant design personnel's interpretation, to determine the working condition of carrier rocket.
During carrier rocket flight, since rocket body posture, ground telemetering antenna are directed toward, engine wake flame shadow
It rings, will lead to telemetry frame losing or error code, and the event can not determine when to occur in advance, and partial data will be caused to lose,
Especially control system data observe rocket operating status for designer and positioning failure cause difficulty.
Inventor has found that existing launch vehicle telemetry system and control system are autonomous system, control system
Real process data is only acquired transmission device by the data that asynchronous serial port mode is sent to telemetry system by system, and data acquisition passes
Transfer device passes down control system data in real time, while storing to the data, and passes down again after the specific time that is delayed, with
Reduction causes the influence of control system loss of data because of the frame losing of telemetering Radio Link or error code.
Store the mechanism retransmitted are as follows: data acquire transmission device for all data of the fixed radio frequency channel of telemetering where control system
Delay transmission all is carried out, since data acquisition transmission device and control system are asynchronous communication, control is included in the radio frequency channel
Filling word between system data packet and packet, control system data packet head, packet tail and spare bytes, the data are non-effective number
According to data acquisition transmission device can not identify, also carried out delay transmission, will occupy telemetry channel, reduce telemeter channel
Utilization rate.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of data transmission method and device based on carrier rocket, with solution
The certainly low problem of telemeter channel utilization rate.
According in a first aspect, the embodiment of the invention provides a kind of data group packet method based on carrier rocket, for controlling
In system processed, which comprises
Obtain the data at current time；
Extract the data of last moment；
The data at the current time and the data of the last moment are packaged, and add data packet head and number
According to packet tail, to obtain data packet.
Data group packet method provided in an embodiment of the present invention based on carrier rocket, control system are real-time by a certain moment
The delay data of data and last moment form a data packet, data packet head and data packet tail are saved, simultaneously as data packet
The increase of length reduces and fills word between packet and packet, solves believe caused by delay transport as data acquisition transmission device
The problem of road wastes, to improve the utilization rate of telemeter channel.
It with reference to first aspect, include core in the data of the last moment in first aspect first embodiment
Data；The data by the current time and the data of the last moment package, comprising:
Extract the core data；
The data of the core data, the data at the current time and the last moment are packaged.
Data group packet method provided in an embodiment of the present invention based on carrier rocket, control system by by core data with
The real time data and the delay data of last moment at current time form a packet, save data packet head and data packet tail,
Reduce extraneous data in the data packet of control system transmission, thus reduce the down-transmitting data amount of subsequent telemetry system, into
And improve the utilization rate of telemeter channel.
First embodiment with reference to first aspect, in first aspect second embodiment, it is described by the core data,
The data at the current time and the data of the last moment package, comprising:
Obtain the playback number of the core data；
Playback number based on the core data packages.
Data group packet method provided in an embodiment of the present invention based on carrier rocket, control system are lost can not estimate
Frame or in the case where the error code period, control system can repeatedly be delayed down and pass for the core data in data, and solution is only delayed
The low problem of reliability in the case of passing down for 1 time, it is ensured that core data can pass on the lower.
With reference to first aspect, in first aspect third embodiment, the data by the current time with it is described
The data of last moment package, further includes:
Judge whether to enter default communication zone；
When entering the default communication zone, the data of the acquired default communication zone are stored；
Judge whether to leave the default communication zone；
When leaving the default communication zone, by the data of the data of the default communication zone and the current time
And the data of the last moment package.
Data group packet method provided in an embodiment of the present invention based on carrier rocket, it is general in certain period that can estimate
Telemetry system occurs for rate for a long time can not be in the case where down-transmitting data, and control system stores data, is flying away from the time
The data of the data and last moment at the data of storage and current time are packaged, ensure that the default comunication area by Duan Hou
The data in domain can pass on the lower.
Third embodiment with reference to first aspect, it is described by the default communication in the 4th embodiment of first aspect
The data in region and the data and the data of the last moment at the current time package, comprising:
Obtain the playback number of the data of the default communication zone；
The playback number of data based on the default communication zone packages.
Data group packet method provided in an embodiment of the present invention based on carrier rocket, follows the data in default communication zone
Loopback is put, and playback number is controllable, solves the problems, such as that telemetry system Infinite Cyclic plays back caused channel wastage.
The 4th embodiment of third embodiment or first aspect with reference to first aspect, in the 5th embodiment party of first aspect
In formula, the data and the data of the last moment at the data by the default communication zone and the current time into
Row group packet, comprising:
The data of the default communication zone are carried out tearing section open, obtain the data segment of preset quantity；
The data and the data of the last moment at each data segment and the current time are successively subjected to group
Packet.
Data group packet method provided in an embodiment of the present invention based on carrier rocket, to the data in default communication zone into
Row is torn open to be passed under section subpackage, and biography number is controllable down, and passback mode is flexible.
According to second aspect, the embodiment of the invention also provides a kind of data transmission methods based on carrier rocket, are used for
In control system, comprising:
Based on the data group of carrier rocket according to a first aspect of the present invention or described in first aspect any embodiment
Packet method packages to data, obtains data packet；
The data packet is sent to telemetry system.
Data transmission method provided in an embodiment of the present invention based on carrier rocket, has broken traditional control system and telemetering
The mutually independent barrier of system carries out storage repeating transmission to down-transmitting data by control system, finally by real time data and delay data
Transmission device is acquired by the data that asynchronous serial port is sent to telemetry system, and data acquisition transmission device is only incorporated into telemetering
By passing under Radio Link after frame, other operations are no longer carried out.
According to the third aspect, the embodiment of the present invention also provides a kind of electronic equipment, comprising:
Memory and processor communicate with each other connection, deposit in the memory between the memory and the processor
Computer instruction is contained, the processor is by executing the computer instruction, thereby executing first aspect present invention or first
Described in data group packet method or second aspect of the present invention described in any one of aspect embodiment based on carrier rocket
Data transmission method based on carrier rocket.
According to fourth aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, which is characterized in that institute
Stating computer-readable recording medium storage has computer instruction, and the computer instruction is for making the computer execute the present invention
In a first aspect, or the data group packet method described in any one of first aspect embodiment based on carrier rocket or the present invention the
Data transmission method based on carrier rocket described in two aspects.
According to the 5th aspect, the embodiment of the invention also provides a kind of data transmission systems based on carrier rocket, comprising:
Control system, including electronic equipment described in third aspect present invention；The control system is used to carry out data
Group packet, and the data after group packet are sent to telemetry system；
Telemetry system, the data sent for receiving the control system, and by the data down transmission.
Data transmission system provided in an embodiment of the present invention based on carrier rocket carries out group to data using control system
Telemetry system is sent to after packet, in order to which telemetry system will be passed under data, i.e., by mutually matched control system with it is distant
Examining system solves the problems, such as to carry out channel wastage caused by delay transport as telemetry system, improves the utilization rate of telemeter channel.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of telemetering transmission time slot according to an embodiment of the present invention；
Fig. 2 is the flow chart of the data group packet method according to an embodiment of the present invention based on carrier rocket；
Fig. 3 is the schematic diagram of the group packet mode of control system according to an embodiment of the present invention；
Fig. 4 is the schematic diagram of control system data delay transmission strategy according to an embodiment of the present invention；
Fig. 5 is the flow chart of the data group packet method according to an embodiment of the present invention based on carrier rocket；
Fig. 6 is the schematic diagram of the group packet mode of control system according to an embodiment of the present invention；
Fig. 7 is the schematic diagram of control system core data transmission strategy according to an embodiment of the present invention；
Fig. 8 is the flow chart of the data group packet method according to an embodiment of the present invention based on carrier rocket；
Fig. 9 is the schematic diagram of the group packet mode of control system according to an embodiment of the present invention；
Figure 10 is the schematic diagram of the group packet mode of control system according to an embodiment of the present invention；
Figure 11 is the schematic diagram of the control system data delay transmission strategy of predictable blind area according to an embodiment of the present invention；
Figure 12 is the flow chart of the data transmission method according to an embodiment of the present invention based on carrier rocket；
Figure 13 is the structural block diagram of the data group bag apparatus according to an embodiment of the present invention based on carrier rocket；
Figure 14 is the structural block diagram of the data transmission device according to an embodiment of the present invention based on carrier rocket；
Figure 15 is the hardware structural diagram of electronic equipment provided in an embodiment of the present invention；
Figure 16 is the structural schematic diagram of the data transmission system provided in an embodiment of the present invention based on carrier rocket.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
System relevant to data transmission includes telemetry system and control system on carrier rocket.Fly in carrier rocket
During row, it is distant by the data acquisition transmission device in telemetry system by Radio Link to descend into ground for all parameters on arrow
Survey station, telemetry is periodically continued data, as shown in Figure 1, telemetry system divides time into other telemetry gaps
And control system data slit, section transmits different data in different times, for example, between corresponding to control system data
Gap 1, telemetry system only by the data down transmission of control system, are corresponding to other telemetry gaps 2, telemetry system is only by other
Passed under telemetry etc..
Control system data are set by control system by the data acquisition transmission that asynchronous communications protocol is sent to telemetry system
Standby, data acquire transmission device and carry out framing.When control system no data is sent, data acquire transmission device in the corresponding time
Gap filling tagged word, to guarantee the continuity of telemetry.
Inventor has found that the telemetry system and control system on existing carrier rocket are mutually independent system
The problem of system, all telemetering frame losings or error code, is solved by telemetry system.Wherein, telemetering frame losing or the problem of error code, mainly divide
For following two situation:
(1) for that can not estimate, there is a situation where frame losing or error code periods: the data acquisition transmission device of telemetry system
Logarithm factually when return while, real-time storage is also carried out to the data, and be delayed after regular time, will be under the data
It passes, memory space circulation covering, guarantees data in entire flight course respectively in real time and under two period timesharing of delay
It passes.However, this processing mode is just as described in the background section, since data acquisition transmission device is asynchronous with control system
Communication, there are more filling word, data packet head, data packet tail and spare bytes in the radio frequency channel, which is non-effective number
According to data acquisition transmission device can not identify, also carry out delay transmission as valid data, will occupy telemetry channel, drop
Low telemeter channel utilization rate.
(2) for can estimate in advance certain period telemetry system for a long time can not down-transmitting data (that is, carrier rocket
In wireless channel blind area): according to practical flight track, before entering the period, data acquisition transmission is set in telemetry system
It is standby to start to store the specific radio frequency channel where blind area data, after flying away from the period, the data of storage are recycled
Playback, it is ensured that data can pass on the lower.In this processing mode, since blind area data is stored by data acquisition transmission device,
In replayed section, radio frequency channel position is fixed, and data will recycle infinitely, occupy telemetry channel always, reduces telemeter channel utilization
Rate.
Therefore, present applicant proposes a kind of data group packet method, transmission method and system based on carrier rocket, break
Traditional control system and the mutually independent barrier of telemetry system carry out storage repeating transmission to down-transmitting data by control system, finally will
Real time data and delay data are sent to the data acquisition transmission device of telemetry system by asynchronous serial port, and data acquisition is transmitted
Equipment is only incorporated into after telemetry frame by passing under Radio Link, other operations are no longer carried out.
According to embodiments of the present invention, a kind of data group packet embodiment of the method based on carrier rocket is provided, needs to illustrate
, step shown in the flowchart of the accompanying drawings can hold in a computer system such as a set of computer executable instructions
Row, although also, logical order is shown in flow charts, and it in some cases, can be to be different from sequence herein
Execute shown or described step.
A kind of data group packet method based on carrier rocket is provided in the present embodiment, can be used for above-mentioned control system
In, Fig. 2 is the flow chart of the data group packet method according to an embodiment of the present invention based on carrier rocket, as shown in Fig. 2, the process
Include the following steps:
S11 obtains the data at current time.
The data at the current time are control system collected data in real time, and control system is when getting current
After the data at quarter, on the one hand the data at current time are stored, in order to be passed down again in future time gap；
On the one hand the data of the data at current time and last moment are packaged.
S12 extracts the data of last moment.
Control system stores accessed real time data, for example, control system gets data at the T1 moment
A stores data A；Control system gets data B at the T2 moment, on the one hand stores data B, on the other hand mentions
The data (that is, data A) of last moment (i.e. T1 moment) storage are taken out, then at the T2 moment, the obtained data of control system
Real time data (data B) and the delay data (data A) of last moment (T1 moment) including current time (T2 moment).
S13 packages the data of the data at current time and last moment, and adds data packet head and data packet
Tail, to obtain data packet.
Control system is by the data of data (the also referred to as real time data at current time) and last moment at current time
(the also referred to as delay data of last moment) packages, and adds data packet head and data packet tail, obtains data packet.
Data packet includes data packet head, data and data packet tail, wherein data include current time real time data with
The delay data of last moment.For example, as shown in Figure 3.
Further, gap in different times, data in data packet as shown in figure 4,.
Such as: T1 moment, real time data A；
T2 moment, the data A at real time data B, T1 moment；
T3 moment, the data B at real time data C, T2 moment；
…
Tn moment, the data n-1 at real time data n, Tn-1 moment；
That is, the data in data packet composed by control system include at any one time, the real time data at current time with
And the delay data of last moment, to guarantee that the data of synchronization can at least pass down 2 times.
Data group packet method provided in this embodiment based on carrier rocket, control system is by the real time data at a certain moment
A data packet is formed with the delay data of last moment, data packet head and data packet tail are saved, simultaneously as data packet length
Increase, reduce and fill word between packet and packet, solve to carry out the wave of channel caused by delay transport as data acquisition transmission device
The problem of taking, to improve the utilization rate of telemeter channel.
A kind of data group packet method based on carrier rocket is additionally provided in the present embodiment, can be used for above-mentioned control system
In system.It is described for including in the present embodiment core data in data acquired in the control system, Fig. 5 is root
According to the flow chart of the data group packet method based on carrier rocket of the embodiment of the present invention, as shown in figure 5, the process includes following step
It is rapid:
S21 obtains the data at current time.
For control system after getting data, the marker that control system can use accessed data determines should
Whether data include core data, can also determine whether accessed data include core data by other means.When
When control system determines that acquired data include core data, core data is stored, in order to when next
Between gap core data is returned.
Remaining refers to the S11 of embodiment illustrated in fig. 2, and details are not described herein.
S22 extracts the data of last moment.
It wherein, include core data in the data of last moment, control system stores the core data.
Remaining refers to the S12 of embodiment illustrated in fig. 2, and details are not described herein.
S23 packages the data of the data at current time and last moment, and adds data packet head and data packet
Tail, to obtain data packet.
Since control system includes core data in the data accessed by last moment, then being controlled at current time
System processed is when packaging to data, when control system is formed by the data in data packet and includes core data, is current
The data at quarter and the data of last moment.Specifically, comprising the following steps:
S231 extracts core data.
Control system extracts stored core data from storage unit, if there is multiple groups core data, then by institute
There is core data all to extract, in order to the passback of all core datas.
S232 packages the data of core data, the data at current time and last moment.
For example, control system is judged in the data accessed by the T1 moment to include core data, then can be
Since the T2 moment, in composed data packet other than including the data at current time and the data of last moment,
It further include the core data for having the T1 moment；Be also possible to since the T3 moment, by core data and the data at current time and
The data of last moment package etc..Specifically, as shown in Figure 6.
Data group packet method provided in this embodiment based on carrier rocket, control system pass through by core data and currently
The real time data and the delay data of last moment at moment form a packet, save data packet head and data packet tail, that is, subtract
Extraneous data in the data packet of control system transmission is lacked, to reduce the down-transmitting data amount of subsequent telemetry system, Jin Erti
The high utilization rate of telemeter channel.
As a kind of optional embodiment of the present embodiment, S23 further include:
(1) the playback number of core data is obtained.
Control system can core data determines according to actual conditions playback number, can be 2 times, 3 times etc..
(2) the playback number based on core data packages.
Control system packages to core data using the playback number of acquired core data, for example, core number
According to needing to play back 3 times, then core data needs to be respectively present in 3 data packets.As shown in fig. 7, for control system
Core data, to improve transmission reliability, can multiple delay transport, the core data at T1 moment in addition to inscribing and passing in T2,
T3 the and T4 moment is passed down, is effectively improved and is passed reliability under the core data.Control system can not estimate generation frame losing
Or in the case where the error code period, control system can repeatedly be delayed down and pass for the core data in data, and solution is only delayed 1
The low problem of reliability in the case of secondary biography down, it is ensured that core data can pass on the lower.
A kind of data group packet method based on carrier rocket is provided in the present embodiment, can be used for above-mentioned control system
In, Fig. 8 is the flow chart of the data group packet method according to an embodiment of the present invention based on carrier rocket, as shown in figure 8, the process
Include the following steps:
S31 obtains the data at current time.The S11 of embodiment illustrated in fig. 2 is referred to, details are not described herein.
S32 extracts the data of last moment.The S12 of embodiment illustrated in fig. 2 is referred to, details are not described herein.
S33 packages the data of the data at current time and last moment, and adds data packet head and data packet
Tail, to obtain data packet.
Control system is being directed to the specific flight track of part carrier rocket, can estimate when certain period telemetry system is long
Between can not down-transmitting data (wireless channel blind area), then in experiencing radio shadow, control system data are carried out it is centrally stored, to
It flies out behind blind area, the data of storage is played back.Specifically, comprising the following steps:
S331 judges whether to enter default communication zone.
Control system can preset certain period, the period telemetry system can not down-transmitting data, then control system just needs
Judge whether to come into default communication zone.Wherein, the default communication zone is experiencing radio shadow.When delivery fire
When arrow enters default communication zone, S332 is executed；Otherwise, the data of the data at current time and last moment are packaged
After execute S331.
S332 stores the data of acquired default communication zone.
When carrier rocket is in default communication zone, control system stores accessed data, below
Description in the data of acquired default communication zone are referred to as blind area data, in order to the passback of subsequent blind area data.
S333 judges whether to leave default communication zone.
For control system when storing to blind area data, whether also real-time judge carrier rocket leaves the default comunication area
Domain.When leaving default communication zone, S334 is executed；No person executes S332.
S334 packages the data of the data and last moment at the data of default communication zone and current time.
Control system is when judging that carrier rocket has been moved off default communication zone, by the default communication zone of storage
The data of the data and last moment at data and current time package, i.e. number in data packet composed by control system
According to other than the data of the data at current time and last moment, further including the data for having default communication zone, i.e. blind area number
According to.For example, as shown in figure 9, data packet includes data packet head, data and data packet tail, wherein data packet at the Tn moment
Include the real time data at Tn moment, the delay data and blind area data at Tn-1 moment.
It is possible to further which blind area data is split into multiple data segments, to reduce the length of data packet, by each data
Section packages with the data at current time and the data of last moment.Specifically, include the following steps:
(1) data of default communication zone are carried out tearing section open, obtains the data segment of preset quantity.
Control system the data to default communication zone (that is, blind area data) can carry out tearing section open according to actual needs, with
Obtain the data segment of preset quantity.For example, blind area data is split as 2 data segments, i.e. blind area data 1 and blind area data 2.
(2) successively the data of the data and last moment at each data segment and current time are packaged.
For example, as shown in figure 9, the data in data packet include the real time data at Tn moment, Tn-1 moment at the Tn moment
Delay data and blind area data 1；
As shown in Figure 10, the data in the Tn+1 moment, data packet include the real time data at Tn+1 moment, Tn moment
Delay data and blind area data 2.
By passing in the case where the data of default communication zone tear open section subpackage, and it is controllable to pass number down, passback mode spirit
It is living.
Data group packet method provided in this embodiment based on carrier rocket is sent out that can estimate in certain period maximum probability
In the case where raw frame losing or error code, control system stores data, after flying away from the period, by the data of storage with work as
The data at preceding moment and the data of last moment package, and ensure that the data of default communication zone can pass on the lower.
As a kind of optional embodiment of the present embodiment, S33 can also include:
(1) the playback number of the data of default communication zone is obtained.
Control system determines the playback number of the data of default communication zone according to actual needs, that is, determines blind area data
Number is played back, can be 2 times, 3 times etc..
(2) the playback number of the data based on default communication zone packages.
For example, as shown in figure 11, since period duration of the carrier rocket in default communication zone is long, storing number
According to measure it is larger, therefore take it is centrally stored, play back mode in batches, in experiencing radio shadow, control system to data carry out concentrate deposit
Storage, behind the blind area that flies out, to the data sectional of storage, gap is played back in different times, may be implemented repeatedly to play back.
Control system plays back the datacycle in default communication zone, and playback number is controllable, and it is unlimited to solve telemetry system
Caused by playback cycle the problem of channel wastage.
According to embodiments of the present invention, a kind of data transmission method embodiment based on carrier rocket is provided, needs to illustrate
, step shown in the flowchart of the accompanying drawings can hold in a computer system such as a set of computer executable instructions
Row, although also, logical order is shown in flow charts, and it in some cases, can be to be different from sequence herein
Execute shown or described step.
A kind of data group packet method based on carrier rocket is provided in the present embodiment, can be used for above-mentioned control system
In, Figure 12 is the flow chart of the data transmission method according to an embodiment of the present invention based on carrier rocket, as shown in figure 12, the stream
Journey includes the following steps:
S41, the data group packet method according to above-described embodiment based on carrier rocket package to data, obtain
To data packet.
The description of Fig. 2, Fig. 5 and embodiment illustrated in fig. 8 is referred to, details are not described herein.
S42 sends data packets to telemetry system.
The data packet that group packet obtains is sent to telemetry system by control system, in order to which telemetry system carries out down data
It passes.
Data transmission method provided in this embodiment based on carrier rocket, has broken traditional control system and telemetry system
Mutually independent barrier carries out storage repeating transmission to down-transmitting data by control system, finally passes through real time data and delay data
Asynchronous serial port is sent to the data acquisition transmission device of telemetry system, and after data acquisition transmission device is only incorporated into telemetry frame
By passing under Radio Link, other operations are no longer carried out.
Further, data transmission method provided in this embodiment has the following beneficial effects:
(1) control system equipment can carry out multiple timesharing delay playback to the core data in down-transmitting data, improve data
Under pass reliability, effectively solves the problems, such as because of the loss of critical data caused by the frame losing of telemetering Radio Link or error code.
(2) control system equipment carries out flexibly group packet, shared data packet header and data packet tail to real-time and delay data, has
Effect improves telemetering radio channel utilization.
(3) it is passed in the case where the Volume data that wireless channel blind area stores tear open section subpackage, and it is controllable to pass number down,
Passback mode is flexible.
A kind of data group bag apparatus based on carrier rocket is additionally provided in the present embodiment, and the device is for realizing above-mentioned
Embodiment and preferred embodiment, the descriptions that have already been made will not be repeated.As used below, term " module " can be real
The combination of the software and/or hardware of existing predetermined function.Although device described in following embodiment is preferably realized with software,
But the realization of the combination of hardware or software and hardware is also that may and be contemplated.
The data group bag apparatus based on carrier rocket that the present embodiment provides a kind of, as shown in figure 13, comprising:
Module 51 is obtained, for obtaining the data at current time.
Extraction module 52, for extracting the data of last moment.
Group packet module 53, for the data of the data at current time and last moment to package, and adds data packet
Head and data packet tail, to obtain data packet.
Data group bag apparatus provided in this embodiment based on carrier rocket, control system is by the real time data at a certain moment
A data packet is formed with the delay data of last moment, data packet head and data packet tail are saved, simultaneously as data packet length
Increase, reduce packet and packet between fill word, solves the problems, such as telemetry system progress delay transport caused by channel wastage,
To improve the utilization rate of telemeter channel.
The embodiment of the invention also provides a kind of data transmission devices based on carrier rocket, as shown in figure 14, comprising:
Data packet forms module 61, for the data group Bao Fang based on carrier rocket according to that above embodiment of the present invention
Method packages to data, obtains data packet.
Sending module 62, for sending data packets to telemetry system.
Data transmission device provided in this embodiment based on carrier rocket, has broken traditional control system and telemetry system
Mutually independent barrier carries out storage repeating transmission to down-transmitting data by control system, finally passes through real time data and delay data
Asynchronous serial port is sent to the data acquisition transmission device of telemetry system, and after data acquisition transmission device is only incorporated into telemetry frame
By passing under Radio Link, other operations are no longer carried out.
Data group bag apparatus based on carrier rocket or data transmission device in the present embodiment are the shapes with functional unit
Formula is presented, and unit here refers to ASIC circuit, executes the processor and memory of one or more softwares or fixed routine,
And/or other can provide the device of above-mentioned function.
The further function description of above-mentioned modules is identical as above-mentioned corresponding embodiment, and details are not described herein.
The embodiment of the present invention also provides a kind of electronic equipment, has the data group based on carrier rocket shown in above-mentioned Figure 13
Data transmission device based on carrier rocket shown in bag apparatus or Figure 14.
Figure 15 is please referred to, Figure 15 is the structural schematic diagram for a kind of electronic equipment that alternative embodiment of the present invention provides, and is such as schemed
Shown in 15, which may include: at least one processor 71, such as CPU (Central Processing Unit, in
Central processor), at least one communication interface 73, memory 74, at least one communication bus 72.Wherein, communication bus 72 is used for
Realize the connection communication between these components.Wherein, communication interface 73 may include standard wireline interface and wireless interface.It deposits
Reservoir 74 can be high speed RAM memory (Random Access Memory, effumability random access memory), can also be with
It is non-labile memory (non-volatile memory), for example, at least a magnetic disk storage.Memory 74 is optional
It can also be that at least one is located remotely from the storage device of aforementioned processor 71.Wherein processor 71 can combine Figure 13 or Figure 14
Described device stores application program in memory 74, and processor 71 calls the program code stored in memory 74, with
For executing any of the above-described method and step.
Wherein, communication bus 72 can be Peripheral Component Interconnect standard (peripheral component
Interconnect, abbreviation PCI) bus or expanding the industrial standard structure (extended industry standard
Architecture, abbreviation EISA) bus etc..Communication bus 72 can be divided into address bus, data/address bus, control bus etc..
Only to be indicated with a thick line in Figure 15, it is not intended that an only bus or a type of bus convenient for indicating.
Wherein, memory 74 may include volatile memory (English: volatile memory), such as arbitrary access
Memory (English: random-access memory, abbreviation: RAM)；Memory also may include nonvolatile memory (English
Text: non-volatile memory), for example, flash memory (English: flash memory), hard disk (English: hard disk
Drive, abbreviation: HDD) or solid state hard disk (English: solid-state drive, abbreviation: SSD)；Memory 74 can also include
The combination of the memory of mentioned kind.
Wherein, processor 71 can be central processing unit (English: central processing unit, abbreviation: CPU),
The combination of network processing unit (English: network processor, abbreviation: NP) or CPU and NP.
Wherein, processor 71 can further include hardware chip.Above-mentioned hardware chip can be specific integrated circuit
(English: application-specific integrated circuit, abbreviation: ASIC), programmable logic device (English:
Programmable logic device, abbreviation: PLD) or combinations thereof.Above-mentioned PLD can be Complex Programmable Logic Devices
(English: complex programmable logic device, abbreviation: CPLD), field programmable gate array (English:
Field-programmable gate array, abbreviation: FPGA), Universal Array Logic (English: generic array
Logic, abbreviation: GAL) or any combination thereof.
Optionally, memory 74 is also used to store program instruction.Processor 71 can be instructed with caller, realize such as this Shen
It please be in data group packet method or the application Figure 12 embodiment based on carrier rocket shown in Fig. 2, Fig. 5 and Fig. 8 embodiment
Shown in the data transmission method based on carrier rocket.
The embodiment of the invention also provides a kind of non-transient computer storage medium, the computer storage medium is stored with
Computer executable instructions, the computer executable instructions can be performed in above-mentioned any means embodiment based on carrier rocket
Data group packet method or data transmission method based on carrier rocket.Wherein, the storage medium can be magnetic disk, CD, read-only
It is storage memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), fast
Flash memory (Flash Memory), hard disk (Hard Disk Drive, abbreviation: HDD) or solid state hard disk (Solid-State
Drive, SSD) etc.；The storage medium can also include the combination of the memory of mentioned kind.
The embodiment of the invention also provides a kind of data transmission systems based on carrier rocket, as shown in figure 16, comprising: control
System 81 and telemetry system 82 processed.
Wherein, the electronic equipment of control system 81 including embodiment illustrated in fig. 15, the control system 81 be used for data into
Row group packet, and the data after group packet are sent to telemetry system 82.
Telemetry system 82, for receiving the data of the transmission of control system 81, and by data down transmission.
Data transmission system provided in this embodiment based on carrier rocket, packages to data using control system 81
After be sent to telemetry system 82, in order to which telemetry system 82 will be passed under data, that is, pass through mutually matched control system 81
With telemetry system 82, solves the problems, such as to carry out channel wastage caused by delay transport as telemetry system, improve telemeter channel
Utilization rate.
Although being described in conjunction with the accompanying the embodiment of the present invention, those skilled in the art can not depart from the present invention
Spirit and scope in the case where make various modifications and variations, such modifications and variations are each fallen within by appended claims institute
Within the scope of restriction.
Claims (10)
1. a kind of data group packet method based on carrier rocket, which is characterized in that in control system, which comprises
Obtain the data at current time；
Extract the data of last moment；
The data at the current time and the data of the last moment are packaged, and add data packet head and data packet
Tail, to obtain data packet.
2. the method according to claim 1, wherein including core data in the data of the last moment；
The data by the current time and the data of the last moment package, comprising:
Extract the core data；
The data of the core data, the data at the current time and the last moment are packaged.
3. according to the method described in claim 2, it is characterized in that, described by the core data, the number at the current time
Accordingly and the data of the last moment package, comprising:
Obtain the playback number of the core data；
Playback number based on the core data packages.
4. the method according to claim 1, wherein the data by the current time and described upper a period of time
The data at quarter package, further includes:
Judge whether to enter default communication zone；
When entering the default communication zone, the data of the acquired default communication zone are stored；
Judge whether to leave the default communication zone；
When leaving the default communication zone, by the data at the data of the default communication zone and the current time and
The data of the last moment package.
5. according to the method described in claim 4, it is characterized in that, the data by the default communication zone are worked as with described
The data at preceding moment and the data of the last moment package, comprising:
Obtain the playback number of the data of the default communication zone；
The playback number of data based on the default communication zone packages.
6. method according to claim 4 or 5, which is characterized in that described by the data of the default communication zone and institute
The data and the data of the last moment for stating current time package, comprising:
The data of the default communication zone are carried out tearing section open, obtain the data segment of preset quantity；
Successively each data segment and the data and the data of the last moment at the current time are packaged.
7. a kind of data transmission method based on carrier rocket, which is characterized in that in control system, comprising:
Data group packet method according to claim 1 to 6 based on carrier rocket packages to data, obtains
To data packet；
The data packet is sent to telemetry system.
8. a kind of electronic equipment characterized by comprising
Memory and processor communicate with each other connection, are stored in the memory between the memory and the processor
Computer instruction, the processor is by executing the computer instruction, thereby executing of any of claims 1-6
Data transmission method based on carrier rocket described in data group packet method or claim 7 based on carrier rocket.
9. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer to refer to
It enables, the computer instruction is used to making the computer perform claim to require described in any one of 1-6 based on carrier rocket
Data group packet method or the data transmission method as claimed in claim 7 based on carrier rocket.
10. a kind of data transmission system based on carrier rocket characterized by comprising
Control system, including electronic equipment according to any one of claims 8；The control system is used to package to data, and will
Data after group packet are sent to telemetry system；
Telemetry system, the data sent for receiving the control system, and by the data down transmission.
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