CN113343489A - 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 PDF

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CN113343489A
CN113343489A CN202110729665.6A CN202110729665A CN113343489A CN 113343489 A CN113343489 A CN 113343489A CN 202110729665 A CN202110729665 A CN 202110729665A CN 113343489 A CN113343489 A CN 113343489A
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satellite communication
model
technology
container
digital twin
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CN113343489B (en
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曾文龙
吴国旭
李志真
徐宁
廖浩伟
李黎
张祥
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Chongqing Liangjiang Satellite Mobile Communication Co Ltd
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    • G06FELECTRIC DIGITAL DATA PROCESSING
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Abstract

The invention discloses a satellite communication simulation method based on a container technology and a digital twinning technology, which comprises the following steps: step 1, defining a standard model of a satellite communication object; step 2, performing virtualization processing on the standard model by utilizing a container technology to obtain a plurality of digital twins; step 3, butting physical equipment for satellite communication with the plurality of digital twins to obtain relationship links between the physical equipment and the plurality of digital twins; and 4, performing distributed satellite communication simulation calculation on the container cloud platform built on the basis of the kerbernets frame according to the relationship link to obtain a satellite communication simulation result. The invention can greatly improve the calculation processing capacity of the simulation system, realize large-scale distributed calculation to obtain simulation results, replace a simulation platform of single stack application, and has expandability, and the upper limit of the network element access node can be improved along with the improvement of the cluster scale.

Description

Satellite communication simulation method and system based on container technology and digital twin technology
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
Research and development and operation in the aerospace field rely on 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, a digital representation across multiple physical fields, is required, which is built during design and manufacturing, data put into service is also continuously added to the model, and the current state and performance of the product can be analyzed by digital twins to schedule applications and perform predictive maintenance, and to support inventory management and field repairs. Through the accumulated data, engineers can pertinently optimize design and process to form a closed-loop digital twin.
The low-earth communication satellite, different from a geostationary satellite, moves around the earth at a high speed, passes over a ground station about 11-16 times (related to a long half axis of an orbit) every day, lasts for about ten minutes every time, and has the characteristics of large quantity, quick 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 power is needed to meet the data twin simulation requirement of approaching a real scene at one time.
However, at present, mainstream simulation software at home and abroad is a client mode based on single computational power, and the simulation software in the mode has complex installation and limited computational power, so that the large-scale distributed computational power of the current big data artificial intelligence era can not be effectively utilized.
In view of this, the present application is specifically made.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the existing simulation technology is based on single computational power, and can not obtain a simulation result through large-scale distributed computation, and the purpose is 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 can not obtain the simulation result 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: performing virtualization processing on the standard model by utilizing a container technology to obtain a plurality of digital twins;
and step 3: docking physical equipment for satellite communication with the plurality of digital twins to obtain relationship links between the physical equipment and the plurality of digital twins;
and 4, step 4: and according to the relationship link, performing distributed satellite communication simulation calculation on a container cloud platform built based on a kerbernets frame to obtain a satellite communication simulation result.
Compared with the prior art, the method and the device have the advantages that the defects that the simulation result cannot be obtained through large-scale distributed computation in the prior art are overcome by adopting the virtual-real combined simulation between the physical equipment and the virtual model and utilizing the mode of improving the upper limit of the computing power of the system through the distributed computation. According to the method, a satellite communication object is defined as a standard model, then the standard model is virtualized by using a container technology, namely physical equipment such as a satellite, a ground station and a terminal are used as a satellite digital twin object, the physical equipment is virtualized into a container cloud platform through the container technology to become an independent individual example, so that the physical model is abstracted into a virtual model, then the physical equipment is butted with the digital twin object, the interaction between the digital twin and a physical entity is realized to carry out virtual-real combined simulation, the capacity upper limit of a system is improved by fully using the calculation power of distributed computation, and a simulation result is obtained.
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, integrated 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 carrying out virtual equipment parameter configuration on 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 respectively performing virtualization processing on each physical device by using a container technology on a container cloud platform built on the basis of 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 virtualization process includes the following operations: creating a configmap, creating a deployment, creating a horizontal capacity expansion policy, and creating an SVC.
A satellite communication simulation system based on a container technology and a digital twin technology, comprising:
the model creating module is used for creating a standard model of the satellite communication object;
the digital twin body acquisition module is used for performing virtualization processing on the standard model to obtain a plurality of digital twin bodies;
the relation link establishing module is used for butting physical equipment for satellite communication with the plurality of digital twins to obtain relation links between the physical equipment and the plurality of digital twins;
and the simulation calculation module is used for performing distributed satellite communication simulation calculation on a container cloud platform built based on a kerbernets framework according to the relationship 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 establishing unit, a network element model establishing unit and a basic model establishing unit;
the digital twin acquisition module comprises: a parameter configuration unit, configured to perform virtual device parameter configuration on each physical device in the platform model, the network element model, and the base model, respectively, to obtain a virtual device 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 on the basis of a kerbernets frame 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 virtualization processing unit includes: the system comprises a configmap creation subunit, a deployment creation subunit, a horizontal capacity expansion strategy 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 system based on the container technology and the digital twinning technology can greatly improve the calculation processing capacity of a simulation system and realize large-scale distributed calculation to obtain a simulation result;
2. the satellite communication simulation method and system based on the container technology and the digital twin technology can replace a simulation platform applied by stacked monomers, have expandability and can improve the upper limit of a network element access node along with the improvement of the cluster scale.
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In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a flowchart of a satellite communication simulation method based on a container technology and a digital twinning technology according to embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of a virtualization processing method of a digital twin according to embodiment 1 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit 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: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "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. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" 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", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, 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 twinning technology according to this embodiment. As shown, the method comprises the following steps:
step 1: a standard model of the satellite communication object is defined. In this embodiment, the standard model is divided into 3 major classes, namely a platform model, a network element model and a basic model, and then the platform model, the network element model and the basic model are respectively subjected to category subdivision, specifically, the standard model is divided into: satellite platforms, vehicles, aircraft, and ground stations; the network element model is divided into: load, integrated 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:
Figure BDA0003138862200000041
TABLE 1
Step 2: and performing virtualization processing on the standard model by utilizing a container technology to obtain a plurality of digital twins. The method comprises the following steps:
step 2.1: respectively carrying out virtual equipment parameter configuration on 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 respectively performing virtualization processing on each physical device by using a container technology on a container cloud platform built on the basis of a kerbernets framework according to the virtual device parameter configuration table to obtain a plurality of digital twin bodies. Wherein the virtualization process comprises the following operations: creating a configmap, creating a deployment, creating a horizontal capacity expansion policy, and creating an SVC.
The principle of the virtualization processing method of the digital twin is shown in fig. 2.
And step 3: docking physical equipment for satellite communication with the plurality of digital twins to obtain relationship links between the physical equipment and the plurality of digital twins;
and 4, step 4: and according to the relationship link, performing distributed satellite communication simulation calculation on a container cloud platform built based on a kerbernets frame to obtain a satellite communication simulation result.
Example 2
A satellite communication simulation system based on a container technology and a digital twin technology, comprising:
the model creating module is used for creating a standard model of the satellite communication object;
the digital twin body acquisition module is used for performing virtualization processing on the standard model to obtain a plurality of digital twin bodies;
the relation link establishing module is used for butting physical equipment for satellite communication with the plurality of digital twins to obtain relation links between the physical equipment and the plurality of digital twins;
and the simulation calculation module is used for performing distributed satellite communication simulation calculation on a container cloud platform built based on a kerbernets framework according to the relationship link to obtain a satellite communication simulation result.
The model definition module includes: the system comprises a platform model establishing unit, a network element model establishing unit and a basic model establishing unit;
the digital twin acquisition module comprises: a parameter configuration unit, configured to perform virtual device parameter configuration on each physical device in the platform model, the network element model, and the base model, respectively, to obtain a virtual device 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 on the basis of a kerbernets frame according to the virtual device parameter configuration table to obtain a plurality of digital twin bodies.
The virtualization processing unit includes: the system comprises a configmap creation subunit, a deployment creation subunit, a horizontal capacity expansion strategy creation subunit and an SVC creation subunit.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (7)

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: performing virtualization processing on the standard model by utilizing a container technology to obtain a plurality of digital twins;
and step 3: docking physical equipment for satellite communication with the plurality of digital twins to obtain relationship links between the physical equipment and the plurality of digital twins;
and 4, step 4: and according to the relationship link, performing distributed satellite communication simulation calculation on a container cloud platform built based on a kerbernets frame to obtain a satellite communication simulation result.
2. The satellite communication simulation method based on the container technology and the digital twin technology according to claim 1, wherein 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, integrated 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.
3. The satellite communication simulation method based on the container technology and the digital twin technology according to claim 2, wherein the step 2 comprises:
step 2.1: respectively carrying out virtual equipment parameter configuration on 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 respectively performing virtualization processing on each physical device by using a container technology on a container cloud platform built on the basis of a kerbernets framework according to the virtual device parameter configuration table to obtain a plurality of digital twin bodies.
4. The satellite communication simulation method based on the container technology and the digital twin technology according to claim 3, wherein the virtualization process comprises the following operations: creating a configmap, creating a deployment, creating a horizontal capacity expansion policy, and creating an SVC.
5. Satellite communication simulation system based on container technology and digital twin technology, characterized by comprising:
the model creating module is used for creating a standard model of the satellite communication object;
the digital twin body acquisition module is used for performing virtualization processing on the standard model to obtain a plurality of digital twin bodies;
the relation link establishing module is used for butting physical equipment for satellite communication with the plurality of digital twins to obtain relation links between the physical equipment and the plurality of digital twins;
and the simulation calculation module is used for performing distributed satellite communication simulation calculation on a container cloud platform built based on a kerbernets framework according to the relationship link to obtain a satellite communication simulation result.
6. The satellite communication simulation system based on the container technology and the digital twin technology according to claim 5,
the model definition module includes: the system comprises a platform model establishing unit, a network element model establishing unit and a basic model establishing unit;
the digital twin acquisition module comprises: a parameter configuration unit, configured to perform virtual device parameter configuration on each physical device in the platform model, the network element model, and the base model, respectively, to obtain a virtual device 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 on the basis of a kerbernets frame according to the virtual device parameter configuration table to obtain a plurality of digital twin bodies.
7. The container technology and digital twin technology based satellite communication simulation system according to claim 6, wherein the virtualization processing unit comprises: the system comprises a configmap creation subunit, a deployment creation subunit, a horizontal capacity expansion strategy creation subunit and an SVC creation subunit.
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