CN109890044A - Complicated Satellite system simulation real-time network communication system - Google Patents
Complicated Satellite system simulation real-time network communication system Download PDFInfo
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- CN109890044A CN109890044A CN201910197187.1A CN201910197187A CN109890044A CN 109890044 A CN109890044 A CN 109890044A CN 201910197187 A CN201910197187 A CN 201910197187A CN 109890044 A CN109890044 A CN 109890044A
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Abstract
The invention discloses a kind of complicated Satellite system simulation real-time network communication systems, including complicated satellite specific satellite real-time network module, the complexity satellite specific satellite real-time network module includes memory reflection board, and the data on each simulation calculation node reflect board by memory and are mapped to master control computing terminal；Ultrahigh speed multinode low latency long-line transmission module, the ultrahigh speed multinode low latency long-line transmission module optical fiber transmission medium and fiber-optic transceiver；And low latency interface/node converts adaptive device, converting transmission is carried out to multiple transport protocols data existing for complicated Satellite system simulation, wherein each simulation calculation node is converted adaptive device by low latency interface/node and is communicated with memory reflecting plate card, and memory reflecting plate card is communicated by ultrahigh speed multinode low latency long-line transmission module with master control computing terminal.
Description
Technical field
The present invention relates to fields of communication technology, specifically, the present invention relates to complicated Satellite system simulation real-time networks to lead to
Letter system.
Background technique
Under fast-developing Information Age, more stringent requirements are proposed to real-time simulation by user, especially in complexity
Under the real-time simulation demand of satellite system, very high requirement usually is proposed to emulation real-time network communicating technique.Entire complexity is defended
In the simulation model of star system, the intrinsic reaction time an of entirety is required, the requirement in this reaction time is exactly real-time
Property require, this require to include the real-time of data sampling and transformation, the real-time of input/output, in real time dynamic input receive
And generate real-time dynamical output；Transmission and interaction during the Realization of Simulation to big datas such as control data, emulation data simultaneously
Emulation real-time network communication node delay, intrinsic transmission delay, data clock are synchronized etc. again and have also been proposed high requirement.It is imitative
The true delay of network environment and the time delay of physical effect equipment all will affect the authenticity of analogue system.Emulate real-time control
In need to solve the configuration runing time relation constraint between different subsystem components also to ensure to emulate to practical true system
The true mapping of system high level as far as possible.
Summary of the invention
Most of Military Simulation system is mostly based on DIS or HLA/RTI at present, is flat with local area network or wide area network
Platform exploitation.Have the following problems in its analogue system: 1) data transmission media and channel delay are uncontrollable；2) real-time network is emulated
The delay of coffret equipment is too long；3) transmission caused by artificial network end data transmissions agreement difference etc. complicates or conversion is prolonged
Late etc.；4) big system emulation network node is very few, and node data is interactive, control, access time is too long etc..These problems become shadow
Ring the factor of complexity Satellite system simulation real-time network communication most critical.
This paper presents it is a kind of emulated for complicated satellite system under real-time network communicating technique；Building is for multiple
The high speed real-time network communication frame of miscellaneous Satellite system simulation；It is proposed the real-time network communication platform based on the complexity satellite simulation
Composition；Emulation access is reduced with intelligence interface adaptation technique in conjunction with high- speed network communication physical medium transport, memory mapping to prolong
Late.
For the above-mentioned problems in the prior art, according to an aspect of the present invention, a kind of complicated satellite system is provided
System emulation real-time network communication system, comprising:
Complicated satellite specific satellite real-time network module, the complexity satellite specific satellite real-time network module includes memory
Board is reflected, the data on each simulation calculation node reflect board by memory and are mapped to master control computing terminal；
Ultrahigh speed multinode low latency long-line transmission module, the ultrahigh speed multinode low latency long-line transmission module optical fiber
Transmission medium and fiber-optic transceiver；And
Low latency interface/node converts adaptive device, to multiple transport protocols data existing for complicated Satellite system simulation
Converting transmission is carried out,
Wherein each simulation calculation node converts adaptive device by low latency interface/node and memory reflecting plate card carries out
Communication, memory reflecting plate card are communicated by ultrahigh speed multinode low latency long-line transmission module with master control computing terminal.
In one embodiment of the invention, in the complicated satellite specific satellite real-time network module, master control is calculated
Terminal accesses local memory, and the data on each simulation calculation node reflect board by memory and are mapped to master control calculating
Terminal.
In one embodiment of the invention, the ultrahigh speed multinode low latency long-line transmission module is exchanged with optical fiber
The connection of 224 node of fabric topology structural support highest.
In one embodiment of the invention, the low latency interface/node conversion adaptive device is compiled using embedded
Journey technology carries out converting transmission to multiple transport protocols data existing for complicated Satellite system simulation.
In one embodiment of the invention, the low latency interface/node conversion adaptive device includes that optical fiber transmission connects
Mouth, embedded/programmable logic device and node interface.
In one embodiment of the invention, the node interface include analog quantity, switching value, 1553B, CAN, RS422,
LVDS interface
In one embodiment of the invention, the low latency interface/node conversion adaptive device is according to complicated satellite system
The actual transmissions agreement for uniting end-to-end carries out dynamic Configuration Online.
Detailed description of the invention
For the above and other advantages and features for each embodiment that the present invention is furture elucidated, will be presented with reference to attached drawing
The more specific description of various embodiments of the present invention.It is appreciated that these attached drawings only describe exemplary embodiments of the invention, therefore
It is not to be regarded as being restriction on its scope.In the accompanying drawings, in order to cheer and bright, identical or corresponding component will use identical or class
As mark indicate.
Fig. 1 shows complicated Satellite system simulation real-time network communication system 100 according to an embodiment of the invention
Block diagram.
Fig. 2 shows the expansion of complicated Satellite system simulation real-time network communication system according to an embodiment of the invention
Schematic block diagram.
Fig. 3 shows the schematic diagram of complicated satellite specific satellite real-time network module according to an embodiment of the invention.
Fig. 4 shows the signal of ultrahigh speed multinode low latency long-line transmission module according to an embodiment of the invention
Figure.
Fig. 5 shows low latency interface according to an embodiment of the invention/node conversion adaptive device schematic diagram.
Specific embodiment
In the following description, with reference to each embodiment, present invention is described.However, those skilled in the art will recognize
Know can in the case where none or multiple specific details or with other replacements and/or addition method, material or component
Implement each embodiment together.In other situations, well known structure, material or operation are not shown or are not described in detail in order to avoid making this
The aspects of each embodiment of invention is obscure.Similarly, for purposes of explanation, specific quantity, material and configuration are elaborated, with
Comprehensive understanding to the embodiment of the present invention is just provided.However, the present invention can be implemented in the case where no specific detail.This
Outside, it should be understood that each embodiment shown in the accompanying drawings is illustrative expression and is not drawn necessarily to scale.
In the present specification, the reference of " one embodiment " or " embodiment " is meaned to combine embodiment description
A particular feature, structure, or characteristic is included at least one embodiment of the invention.Occur in everywhere in this specification short
Language " in one embodiment " is not necessarily all referring to the same embodiment.
Delay control and transmitting emulation data, conversion of the present invention by transmission, artificial network node to high speed network
Etc. conducting a research, with this come the features such as meeting the simulating realistic to such as complicated satellite system, credible, high speed.
Fig. 1 shows complicated Satellite system simulation real-time network communication system 100 according to an embodiment of the invention
Block diagram.Complicated Satellite system simulation real-time network communication system 100 include complicated satellite specific satellite real-time network module 110,
Ultrahigh speed multinode low latency long-line transmission module 120 and low latency interface/node convert adaptive device 130.
Due to being transmitted there may be long range point (more than 350 meters during currently practical satellite complexity full-system simulation
Distance), the small feature of multinode interconnection collaborative simulation, node transmission delay.Therefore complicated Satellite system simulation real-time network is logical
Letter system 100 need to include complicated satellite specific satellite real-time network module 110, ultrahigh speed multinode low latency long-line transmission module
120。
Complicated satellite specific satellite real-time network module 110 is realized compared with general network has network communication speed high, imitative
The high feature of true data transmission utilization ratio, while long-time, big data compared with common network protocol to analogue system processor
The case where amount occupies, complicated satellite specific satellite real-time network set up memory reflection connection board using memory reflection mechanism, and
The isolated node for utilizing it as artificial network has benefited from independence-shared drive mechanism on memory reflection connection board, can be with
Data on each node of entire analogue system are mapped in analogue system master controller by independence-shared drive, are emulated
Controller can quickly handle on host, control data in each different network node, comfort level and service speed
It is almost consistent with direct action host memory space.It is characterized in that: 1) very high-speed data transfer, nanosecond read-write operation prolong
Late；2) efficiently controllable artificial network node delay；3) each meshed network memory of host transparent control, efficiently realizes network node
It directly controls.
Ultrahigh speed multinode low latency long-line transmission module 120 is based on optical fiber transmission medium, forms in conjunction with fiber-optic transceiver,
It can be realized with optical fiber architecture for exchanging topological structure and support the connection of 224 node of highest, largely meet complicated satellite system
The multi-node combination emulated versions faced required for system emulation, simultaneously for long range, the emulation demand of high-speed, fiber medium
It may be implemented to surpass 500 meters of long-line transmissions, 3Gbps ultrahigh speed transmission rate in conjunction with the utilization of transceiver.
Low latency interface/node conversion adaptive device 130 can be to complicated satellite system using embedded programmable technology
It emulates existing multiple transport protocols data and carries out converting transmission, having benefited from embedded highly integrated property and high speed protocol conversion can be with
The protocol conversion between Satellite system simulation data is fast implemented, to substantially reduce the low spy of artificial network protocol conversion rate
Point, while network data node transfer delay is greatly lowered.
Fig. 2 shows the expansion of complicated Satellite system simulation real-time network communication system according to an embodiment of the invention
Schematic block diagram.
As shown in Fig. 2, complicated satellite specific satellite real-time network module include complicated Satellite system simulation master control system, it is interior
Deposit reflective network node and simulation calculation node.Ultrahigh speed multinode low latency long-line transmission module include optical fiber transmission medium and
Fiber-optic transceiver.
Complicated Satellite system simulation master control system is attached by optical fiber long-line transmission and each node, wherein can be by master
Control system is considered as the brain of satellite, and each node is a part of satellite.
Data on each simulation calculation node are transmitted to interface/node by interface data input and convert adaptive device.
Interface/node conversion adaptive device is converted multiple transport protocols data existing for complicated Satellite system simulation, and is transmitted
To memory reflective network node, the transmission data for becoming meeting fiber optic protocols after conversion are transmitted by fiber-optic transceiver and optical fiber
To master control system.Similarly, it when master control system is to simulation calculation node output data, is transmitted first by fiber-optic transceiver and optical fiber
To memory reflective network node, then adaptive device is converted by interface/node and is converted into being suitble to the number of specific calculation node requirements
Corresponding calculate node is transferred to via interface data output according to form.
Hereinafter, the complexity Satellite system simulation real-time network communication system is discussed in detail by module.
Fig. 3 shows the schematic diagram of complicated satellite specific satellite real-time network module according to an embodiment of the invention.
As shown in figure 3, master control computing terminal accesses local memory.Data on each simulation calculation node 1 are anti-by memory
It penetrates board and is mapped to master control computing terminal, Simulation Control person can quickly handle on host, control each different network node
On data, comfort level and service speed are almost consistent with direct action host memory space.
Reflection mechanism can comply with complicated satellite multiple network node reality by setting up memory reflection connection board based on memory
Existing form, can make multiple independent calculation processing nodes sharing common simulation data sets using it, while master control being allowed to calculate eventually
End is configured point processing node with local memory service speed, is controlled.Real-time, interactive, low latency, high speed will be realized conscientiously
Communication.The utilization of the technology may be implemented: 1) accurately calculating the maximum delay between each artificial network；2) more calculate nodes are realized
Between high-speed communication；3) simulation process, data monitoring are realized；4) dummy error positioning, risk anticipation are realized.
Fig. 4 shows the signal of ultrahigh speed multinode low latency long-line transmission module according to an embodiment of the invention
Figure.
As shown in figure 4, ultrahigh speed multinode low latency long-line transmission module includes optical fiber transmission medium and fiber-optic transceiver.
Since current complicated Satellite system simulation has multinode, low latency, long range, opened up by optical fiber architecture for exchanging
Flutterring may be implemented faster data using the special transmission characteristic of optical fiber while structure realizes maximum 224 artificial network nodes
Transmission rate, less link request, less equipment management demand and less power consumption.Cooperate fiber-optic transceiver
Use, the conversion from transmission signal to optical signal can be fast implemented, and the emulation data after conversion are rapidly feeding optical fiber
Long-line transmission medium is to next artificial network node.
Fig. 5 shows low latency interface according to an embodiment of the invention/node conversion adaptive device schematic diagram.
/ node conversion adaptive device include optical fiber coffret, embedded/is programmable to patrol as shown in figure 5, low latency interface
Collect device and node interface.Optical fiber coffret is connect with fiber-optic transceiver, and node interface is connected with node.Embedded/can
Programmed logic device carries out multiple transport protocols data existing for complicated Satellite system simulation using embedded programmable technology
Converting transmission.The low latency interface/node conversion adaptive device has intelligently configurable feature, can be according to complicated satellite system
The actual transmissions agreement of uniting end-to-end carries out dynamic Configuration Online so that greatly reduce be not inconsistent as agreement caused by transmission
Mistake, while having benefited from the high speed of the highly integrated chip module of embedded programmable technology, when greatly reducing protocol conversion
Between, promote processing conversion speed.The common node interface of present satellites system include analog quantity, switching value, 1553B, CAN,
Protocol data is being passed through high speed by embedded embedded or programmable logic device use by RS422, LVDS interface etc.
Before real-time network is transmitted to the end CPU of each intelligence I/O, the data conversion that the transmission of high speed real-time network is come can at each intelligence I/O
With the data for identifying and handling.
Although described above is various embodiments of the present invention, however, it is to be understood that they are intended only as example to present
, and without limitation.For those skilled in the relevant art it is readily apparent that various combinations, modification can be made to it
Without departing from the spirit and scope of the invention with change.Therefore, the width of the invention disclosed herein and range should not be upper
It states disclosed exemplary embodiment to be limited, and should be defined according only to the appended claims and its equivalent replacement.
Claims (7)
1. a kind of complexity Satellite system simulation real-time network communication system, comprising:
Complicated satellite specific satellite real-time network module, the complexity satellite specific satellite real-time network module include memory reflection
Board, the data on each simulation calculation node reflect board by memory and are mapped to master control computing terminal；
Ultrahigh speed multinode low latency long-line transmission module, the ultrahigh speed multinode low latency long-line transmission module optical fiber transmission
Medium and fiber-optic transceiver；And
Low latency interface/node converts adaptive device, carries out to multiple transport protocols data existing for complicated Satellite system simulation
Converting transmission,
Wherein each simulation calculation node is converted adaptive device by low latency interface/node and is led to memory reflecting plate card
Letter, memory reflecting plate card are communicated by ultrahigh speed multinode low latency long-line transmission module with master control computing terminal.
2. complexity Satellite system simulation real-time network communication system as described in claim 1, which is characterized in that in the complexity
In satellite specific satellite real-time network module, master control computing terminal accesses local memory, on each simulation calculation node
Data by memory reflect board be mapped to master control computing terminal.
3. complexity Satellite system simulation real-time network communication system as described in claim 1, which is characterized in that the ultrahigh speed
Multinode low latency long-line transmission module supports the connection of 224 node of highest with optical fiber architecture for exchanging topological structure.
4. complexity Satellite system simulation real-time network communication system as described in claim 1, which is characterized in that the low latency
Interface/node conversion adaptive device is using embedded programmable technology to multiple transport protocols existing for complicated Satellite system simulation
Data carry out converting transmission.
5. complexity Satellite system simulation real-time network communication system as described in claim 1, which is characterized in that the low latency
Interface/node conversion adaptive device includes optical fiber coffret, embedded/programmable logic device and node interface.
6. complexity Satellite system simulation real-time network communication system as claimed in claim 5, which is characterized in that the node connects
Mouth includes analog quantity, switching value, 1553B, CAN, RS422, LVDS interface.
7. complexity Satellite system simulation real-time network communication system as described in claim 1, which is characterized in that the low latency
Interface/node conversion adaptive device carries out dynamic Configuration Online according to the end-to-end actual transmissions agreement of complicated satellite system.
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| CN111953511A (en) * | 2020-07-02 | 2020-11-17 | 上海机电工程研究所 | Simulation network networking method and system of semi-physical simulation system for target imaging processing |
| CN115495940A (en) * | 2022-11-17 | 2022-12-20 | 西北工业大学 | Infrared image injection type simulation method and system based on optical fiber transmission |
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Cited By (6)
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| CN110212972A (en) * | 2019-06-21 | 2019-09-06 | 成都星时代宇航科技有限公司 | Star Service data transmission set and method |
| CN111314166A (en) * | 2019-12-30 | 2020-06-19 | 中国人民解放军军事科学院国防科技创新研究院 | Multi-node comprehensive simulation system and method |
| CN111953511A (en) * | 2020-07-02 | 2020-11-17 | 上海机电工程研究所 | Simulation network networking method and system of semi-physical simulation system for target imaging processing |
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| CN115495940A (en) * | 2022-11-17 | 2022-12-20 | 西北工业大学 | Infrared image injection type simulation method and system based on optical fiber transmission |
| CN115495940B (en) * | 2022-11-17 | 2023-03-31 | 西北工业大学 | Infrared image injection type simulation method and system based on optical fiber transmission |
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