CN113343489B - Satellite communication simulation method and system based on container technology and digital twin technology - Google Patents
Satellite communication simulation method and system based on container technology and digital twin technology Download PDFInfo
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- CN113343489B CN113343489B CN202110729665.6A CN202110729665A CN113343489B CN 113343489 B CN113343489 B CN 113343489B CN 202110729665 A CN202110729665 A CN 202110729665A CN 113343489 B CN113343489 B CN 113343489B
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- 238000004891 communication Methods 0.000 title claims abstract description 49
- 238000005516 engineering process Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000005477 standard model Effects 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 17
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- 238000003032 molecular docking Methods 0.000 claims description 3
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/02—CAD in a network environment, e.g. collaborative CAD or distributed simulation
Abstract
The invention discloses a satellite communication simulation method based on a container technology and a digital twin technology, which comprises the following steps: step 1, defining a standard model of a satellite communication object; step 2, carrying out virtualization treatment on the standard model by utilizing a container technology to obtain a plurality of digital twin bodies; step 3, the physical equipment of satellite communication is in butt joint with a plurality of digital twins to obtain a relation link between the physical equipment and the digital twins; and 4, performing distributed satellite communication simulation calculation on a container cloud platform built on the basis of a kerbernets framework according to the relation link to obtain a satellite communication simulation result. The invention can greatly improve the computing processing capacity of the simulation system, realize large-scale distributed computation to obtain simulation results, replace a single-application simulation platform of a stack, and have expandability, and the upper limit of the network element access node can be improved along with the improvement of the cluster scale.
Description
Technical Field
The invention relates to the technical field of satellite communication simulation, in particular to a satellite communication simulation system and system based on a container technology and a digital twin technology.
Background
The research and the development and the operation in the aerospace field are more dependent on a digital technology, the test cost of a physical prototype needs to be reduced in the research and development stage, and the equipment state needs to be effectively mastered in the operation stage. In order to predict or optimize the performance of complex systems, an observable digital model is required, a digital representation across multiple physical fields is created during the design and manufacturing process, the data after being put into service is also continuously added to the model, the current state and performance of the product can be analyzed by digital twinning to schedule applications and perform predictive maintenance, and support spare part management and field maintenance. Through the accumulated data, engineers can specifically optimize the design and the process to form a closed-loop digital twin.
The low-orbit communication satellite, unlike a synchronous satellite, moves around the earth at a high speed, passes over the ground station for about 11-16 times (related to the long half axis of the orbit) each day, lasts for about ten minutes or more each time, and has the characteristics of large quantity, rapid change and complex topological structure. The ground station antenna needs to point to the transit satellite in real time to establish stable communication connection, so that a large amount of calculation force is needed to meet the data twin simulation requirement of approaching the real scene once.
However, the mainstream simulation software at home and abroad at present is a client mode based on single computing power, the simulation software in the mode is complex to install and limited in computing power, and large-scale distributed computing power in the current big data artificial intelligence era can not be effectively utilized.
In view of this, the present application is specifically proposed.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the existing simulation technology is based on single computing power and cannot acquire simulation results through large-scale distributed computation, and aims to provide a satellite communication simulation system and system based on a container technology and a digital twin technology, so that interactive simulation between physical equipment and a virtual model is realized, and the problem that the existing simulation technology cannot acquire simulation results through large-scale distributed computation is solved.
The invention is realized by the following technical scheme:
a satellite communication simulation method based on a container technology and a digital twin technology comprises the following steps:
step 1: defining a standard model of the satellite communication object;
step 2: carrying out virtualization treatment on the standard model by utilizing a container technology to obtain a plurality of digital twin bodies;
step 3: docking the physical equipment of satellite communication with the plurality of digital twins to obtain a relation link between the physical equipment and the plurality of digital twins;
step 4: and according to the relation link, performing distributed satellite communication simulation calculation on a container cloud platform built on the basis of a kerbernets framework to obtain a satellite communication simulation result.
Compared with the prior art, the invention adopts virtual-real combination simulation between the physical equipment and the virtual model, and solves the defect that the prior art cannot acquire a simulation result through large-scale distributed computation by utilizing a mode of improving the upper limit of the calculation force of the system through distributed computation. The method comprises the steps of firstly defining a satellite communication object as a standard model, then carrying out virtualization treatment on the standard model by utilizing a container technology, namely virtualizing physical equipment such as a satellite, a ground station and a terminal into a container cloud platform by utilizing the container technology to form an independent individual instance, thereby abstracting the physical model into a virtual model, then carrying out butt joint on the physical equipment and the digital twin object, realizing virtual-real combination simulation on interaction between the digital twin body and the physical entity, and fully utilizing the upper limit of the capability of a distributed computing power lifting system to obtain a simulation result.
As a further description of the present invention, the standard model includes: a platform model, a network element model and a base model; the platform model includes the following physical devices: satellite platforms, vehicles, aircraft, and ground stations; the network element model comprises the following physical devices: load, comprehensive processor, gateway station and terminal module; the base model includes the following physical devices: antenna, laser, high power amplifier, low noise amplifier, frequency converter and modem.
As a further description of the present invention, the step 2 includes:
step 2.1: respectively configuring virtual equipment parameters of each physical equipment in the platform model, the network element model and the basic model to obtain a virtual equipment parameter configuration table;
step 2.2: and according to the virtual equipment parameter configuration table, on a container cloud platform built on the basis of a kerbernets framework, carrying out virtualization processing on each physical equipment by utilizing a container technology to obtain a plurality of digital twin bodies.
As a further description of the present invention, the virtualization process includes the following operations: creating configmap, creating depth, creating horizontal expansion policies, and creating SVC.
A satellite communications simulation system based on container technology and digital twinning technology, comprising:
the model creation module is used for creating a standard model of the satellite communication object;
the digital twin acquiring module is used for carrying out virtualization processing on the standard model to obtain a plurality of digital twin;
the relation link establishment module is used for butting the physical equipment of satellite communication with the plurality of digital twin bodies to obtain relation links between the physical equipment and the plurality of digital twin bodies;
and the simulation calculation module is used for carrying out distributed satellite communication simulation calculation on a container cloud platform built based on a kerbernets framework according to the relation link to obtain a satellite communication simulation result.
As a further description of the present invention,
the model definition module includes: the system comprises a platform model creation unit, a network element model creation unit and a basic model creation unit;
the digital twin acquisition module includes: the parameter configuration unit is used for carrying out virtual equipment parameter configuration on each physical equipment in the platform model, the network element model and the basic model respectively to obtain a virtual equipment parameter configuration table; and the virtualization processing unit is used for respectively carrying out virtualization processing on each physical device by utilizing a container technology on a container cloud platform built based on a kerbernets framework according to the virtual device parameter configuration table to obtain a plurality of digital twin bodies.
As a further description of the present invention, the virtualized processing unit includes: a configmap creation subunit, a depth creation subunit, a horizontal expansion policy creation subunit, and an SVC creation subunit.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the satellite communication simulation method and the satellite communication simulation system based on the container technology and the digital twin technology can greatly improve the calculation processing capacity of a simulation system, and realize large-scale distributed calculation to obtain simulation results;
2. the satellite communication simulation method and system based on the container technology and the digital twin technology can replace a simulation platform of single application of a stack, has expandability, and can improve the upper limit of network element access nodes along with the improvement of the cluster scale.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a satellite communication simulation method based on the container technology and the digital twin technology according to embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of a method for virtualizing a digital twin body according to embodiment 1 of the present invention.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the invention.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
Example 1
Fig. 1 is a flowchart of a satellite communication simulation method based on a container technology and a digital twin technology of the present embodiment. As shown, the method includes the steps of:
step 1: a standard model of the satellite communication object is defined. In this embodiment, the standard model is divided into 3 major classes of a platform model, a network element model and a base model, and then the platform model, the network element model and the base model are respectively subdivided into classes, specifically, the standard model is divided into: satellite platforms, vehicles, aircraft, and ground stations; dividing the network element model into: load, comprehensive processor, gateway station and terminal module; the basic model is divided into: antenna, laser, high power amplifier, low noise amplifier, frequency converter and modem. The final classification results are shown in table 1:
TABLE 1
Step 2: and carrying out virtualization treatment on the standard model by utilizing a container technology to obtain a plurality of digital twin bodies. The method comprises the following steps:
step 2.1: respectively configuring virtual equipment parameters of each physical equipment in the platform model, the network element model and the basic model to obtain a virtual equipment parameter configuration table;
step 2.2: and according to the virtual equipment parameter configuration table, on a container cloud platform built on the basis of a kerbernets framework, carrying out virtualization processing on each physical equipment by utilizing a container technology to obtain a plurality of digital twin bodies. Wherein the virtualization process includes the following operations: creating configmap, creating depth, creating horizontal expansion policies, and creating SVC.
The principle of the virtualization processing method of the digital twin body is shown in fig. 2.
Step 3: docking the physical equipment of satellite communication with the plurality of digital twins to obtain a relation link between the physical equipment and the plurality of digital twins;
step 4: and according to the relation link, performing distributed satellite communication simulation calculation on a container cloud platform built on the basis of a kerbernets framework to obtain a satellite communication simulation result.
Example 2
A satellite communications simulation system based on container technology and digital twinning technology, comprising:
the model creation module is used for creating a standard model of the satellite communication object;
the digital twin acquiring module is used for carrying out virtualization processing on the standard model to obtain a plurality of digital twin;
the relation link establishment module is used for butting the physical equipment of satellite communication with the plurality of digital twin bodies to obtain relation links between the physical equipment and the plurality of digital twin bodies;
and the simulation calculation module is used for carrying out distributed satellite communication simulation calculation on a container cloud platform built based on a kerbernets framework according to the relation link to obtain a satellite communication simulation result.
The model definition module includes: the system comprises a platform model creation unit, a network element model creation unit and a basic model creation unit;
the digital twin body acquisition module includes: the parameter configuration unit is used for carrying out virtual equipment parameter configuration on each physical equipment in the platform model, the network element model and the basic model respectively to obtain a virtual equipment parameter configuration table; and the virtualization processing unit is used for respectively carrying out virtualization processing on each physical device by utilizing a container technology on a container cloud platform built based on a kerbernets framework according to the virtual device parameter configuration table to obtain a plurality of digital twin bodies.
The virtualization processing unit includes: a configmap creation subunit, a depth creation subunit, a horizontal expansion policy creation subunit, and an SVC creation subunit.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (4)
1. The satellite communication simulation method based on the container technology and the digital twin technology is characterized by comprising the following steps of:
step 1: defining a standard model of the satellite communication object;
step 2: carrying out virtualization treatment on the standard model by utilizing a container technology to obtain a plurality of digital twin bodies;
step 3: docking the physical equipment of satellite communication with the plurality of digital twins to obtain a relation link between the physical equipment and the plurality of digital twins;
step 4: according to the relation link, performing distributed satellite communication simulation calculation on a container cloud platform built on the basis of a kerbernets framework to obtain a satellite communication simulation result;
the standard model comprises: a platform model, a network element model and a base model; the platform model includes the following physical devices: satellite platforms, vehicles, aircraft, and ground stations; the network element model comprises the following physical devices: load, comprehensive processor, gateway station and terminal module; the base model includes the following physical devices: the device comprises an antenna, a laser, a high power amplifier, a low noise amplifier, a frequency converter and a modem;
the step 2 comprises the following steps:
step 2.1: respectively configuring virtual equipment parameters of each physical equipment in the platform model, the network element model and the basic model to obtain a virtual equipment parameter configuration table;
step 2.2: and according to the virtual equipment parameter configuration table, on a container cloud platform built on the basis of a kerbernets framework, carrying out virtualization processing on each physical equipment by utilizing a container technology to obtain a plurality of digital twin bodies.
2. The satellite communication simulation method based on container technology and digital twinning technology according to claim 1, wherein the virtualization process includes the operations of: creating configmap, creating depth, creating horizontal expansion policies, and creating SVC.
3. A satellite communication simulation system based on container technology and digital twin technology, comprising:
the model creation module is used for creating a standard model of the satellite communication object;
the digital twin acquiring module is used for carrying out virtualization processing on the standard model to obtain a plurality of digital twin;
the relation link establishment module is used for butting the physical equipment of satellite communication with the plurality of digital twin bodies to obtain relation links between the physical equipment and the plurality of digital twin bodies;
the simulation calculation module is used for carrying out distributed satellite communication simulation calculation on a container cloud platform built based on a kerbernets framework according to the relation link to obtain a satellite communication simulation result;
the model creation module includes: the system comprises a platform model creation unit, a network element model creation unit and a basic model creation unit;
the digital twin acquisition module includes: the parameter configuration unit is used for carrying out virtual equipment parameter configuration on each physical equipment in the platform model, the network element model and the basic model respectively to obtain a virtual equipment parameter configuration table; and the virtualization processing unit is used for respectively carrying out virtualization processing on each physical device by utilizing a container technology on a container cloud platform built based on a kerbernets framework according to the virtual device parameter configuration table to obtain a plurality of digital twin bodies.
4. A satellite communication simulation system based on container technology and digital twinning technology according to claim 3, wherein the virtualization processing unit comprises: a configmap creation subunit, a depth creation subunit, a horizontal expansion policy creation subunit, and an SVC creation subunit.
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| CN116941228A (en) * | 2022-01-29 | 2023-10-24 | 北京小米移动软件有限公司 | Communication method and device and storage medium |
| CN115473573B (en) * | 2022-11-14 | 2023-02-21 | 鹏城实验室 | Satellite communication simulation system based on event triggering and container simulation |
| CN116227561B (en) * | 2023-02-17 | 2023-09-12 | 电子科技大学 | Satellite orbit error prediction method based on digital twin and container technology |
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