CN109639545B - Lightweight bus arrangement method of multi-satellite measurement and control platform system - Google Patents
Lightweight bus arrangement method of multi-satellite measurement and control platform system Download PDFInfo
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- CN109639545B CN109639545B CN201811560055.2A CN201811560055A CN109639545B CN 109639545 B CN109639545 B CN 109639545B CN 201811560055 A CN201811560055 A CN 201811560055A CN 109639545 B CN109639545 B CN 109639545B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/165—Combined use of TCP and UDP protocols; selection criteria therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
Abstract
The invention discloses a lightweight bus arrangement method of a multi-satellite measurement and control management platform system, which comprises the following steps: dividing a lightweight bus of the multi-satellite measurement and control management platform system into a service data bus and a control bus; configuring the service data bus to link each subsystem in the multi-satellite measurement and control management platform system so as to realize data interaction among all subsystems which operate independently; and configuring the control bus to manage and control each subsystem in the multi-satellite measurement and control management platform system, wherein the management and control comprises unified management and control of service processes, computing resources and execution modules in the multi-satellite measurement and control management platform system. By using the scheme of the invention, the interaction channel and the interaction times among subsystems are greatly reduced, and the coupling degree and the complexity among the subsystems are reduced.
Description
Technical Field
The present invention generally relates to the field of measurement and control technology. More specifically, the invention relates to a lightweight bus arrangement method of a multi-satellite measurement and control platform system, which is used for optimizing data interaction among subsystems of the multi-satellite measurement and control platform system and operation management of the subsystems.
Background
With the continuous development of the space technology, the satellite emission amount is rapidly increased, which increases the difficulty for the satellite measurement and control management platform to manage the satellite. At present, in order to solve the problem, each subsystem of the multi-satellite measurement and control management platform is modularized, and each functional module is managed in a process mode. However, with the increase of satellites, the amount and the number of data interaction between subsystems are increasing, and the management difficulty of the prior art is increasing. Meanwhile, the difficulty of the management of the multi-satellite measurement and control platform is improved due to the increase of the number of the subsystems.
Disclosure of Invention
In order to solve the problem, the invention provides a lightweight bus according to the requirement of a platform framework by combining the concept of the bus, and the lightweight bus is divided into the following parts according to the characteristics and functions of the bus: a traffic bus and a control bus. The service bus serves to link the individual subsystems in the platform system. The control bus realizes the management and control of each subsystem in the system and manages a large number of service processes, computing resources and execution modules in the system in a unified way. To this end, the present invention provides the following aspects in one or more aspects.
In one aspect of the present invention, a lightweight bus arrangement method for a multi-satellite measurement and control management platform system is provided, including:
dividing a lightweight bus of the multi-satellite measurement and control management platform system into a service data bus and a control bus;
configuring the service data bus to link each subsystem in the multi-satellite measurement and control management platform system so as to realize data interaction among all subsystems which operate independently; and
and configuring the control bus to manage and control each subsystem in the multi-satellite measurement and control management platform system, wherein the management and control comprises unified management and control of service processes, computing resources and execution modules in the multi-satellite measurement and control management platform system.
In one embodiment, the lightweight bus is physically implemented as a network communication component supporting information transmission, integrating transmission control protocol communication and user datagram protocol multicast communication, and supporting information transmission and reception of a multi-satellite measurement and control management platform system.
In one embodiment, in the multi-satellite measurement and control management platform system, the service data bus is configured to divide different port numbers according to data types, adopt different transmission forms, and transmit the service data in a user datagram protocol multicast manner for transmission and reception of service data.
In one embodiment, the transmission is performed by using a user datagram protocol multicast mode, so that a sender of data sends data through a measurement and control data sending interface, and a receiver of the data listens to a service data bus through the interface and acquires required data from the service data bus.
In one embodiment, the control bus is configured to transmit control information and operation status information of subsystems according to different information types and functions by adopting different port numbers and transmission modes, wherein the control information of the subsystems is transmitted by communication through a transmission control protocol connection, and the operation status information of the subsystems is transmitted by multicast through a connectionless user datagram protocol.
In one embodiment, the data interaction of the service data bus and each subsystem comprises:
1) the telemetering processing subsystem acquires the source code data by monitoring a service data bus when telemetering source code data are transmitted on the bus, converts the source code data into telemetering engineering value data according to a telemetering processing method after verification, packs the telemetering engineering value data and sends the telemetering engineering value data to the service data bus through a configured port number for other service subsystems to use;
2) the remote control management subsystem acquires remote measurement engineering value data from a service data bus, judges the state of the current satellite, sends a corresponding remote control command, and sends a remote control command sending result to the service data bus according to a predefined format and a port number;
3) the measurement and control data management subsystem monitors the service data bus and the corresponding port number, acquires all measurement and control data, and stores the measurement and control data in a database or a file after analysis and verification;
4) the control meter subsystem monitors a service data bus and a corresponding port number, acquires required service data and completes the calculation of the service data; and
5) the comprehensive information monitoring subsystem, the alarming and fault diagnosis subsystem, the service scheduling subsystem and the track determining and forecasting subsystem also acquire required service data through the service data bus and display the required service data in a webpage after processing.
In one embodiment, the service data transmitted on the service data bus is divided into telemetry data and calculation result data, wherein the telemetry data is transmitted in a binary stream form through a dedicated transmission port for the telemetry data, and the calculation result data is transmitted in an extensible markup language format and is transmitted through a self-defined and effective port number.
In one embodiment, the controlling of the control bus to each subsystem process of the multi-satellite measurement and control management platform system includes: the multi-satellite measurement and control management platform system starts a process, stops the process, deletes the process, monitors the process running state, manages the process and an execution module through a process control command sent by the control bus, sends process running information including running identification, main and standby states and running abnormal log information of the process through the control bus when each service process is started, and monitors whether the host runs normally or not by monitoring the control bus to realize main and standby switching.
In an embodiment, through an interface provided by the control bus, all subsystem processes providing services in the multi-satellite measurement and control management platform system send own service information and own running state information to the outside, and a user of a subsystem process resource acquires the running position and network connection information of the service by monitoring the service information broadcasted on the control bus, and connects a software service module through the interface to execute corresponding service operation.
In one embodiment, the process state information sent on the control bus is used for monitoring the running state of the process, the running state of the process on each server by the client is displayed through the running state of the process, the monitoring of the process execution state is executed, and when the process execution is abnormal, an alarm is given immediately and a user is notified to process the process.
Through the technical scheme of the invention, each subsystem of the multi-satellite measurement and control management platform only needs to interact with the bus, so that interaction channels and interaction times among the subsystems are greatly reduced, and coupling degree and complexity among the subsystems are reduced. Furthermore, by utilizing the control bus, each subsystem of the platform system can be better managed, the states of the subsystems and resources are monitored, and the intelligent management and control capability of the platform is improved. In addition, through the classification universal design of the bus communication protocol, the requirement of system expansion can be met, and the consumption of system resources can be reduced.
Drawings
The invention and its advantages will be better understood by reading the following description, provided by way of example only, and made with reference to the accompanying drawings, in which:
FIG. 1 is a diagram of the interaction of a multi-star instrumentation and control management platform system service bus (or "service data bus") according to an embodiment of the present invention;
FIG. 2 is a diagram of control bus interactions of a multi-star measurement and control management platform system according to an embodiment of the invention;
FIG. 3 is a flow diagram of an application of a service bus in a telemetry process according to an embodiment of the invention; and
FIG. 4 is a flow diagram of an application of a service bus in telemetry engineering value storage according to an embodiment of the invention.
Detailed Description
The technical scheme of the invention designs a lightweight bus aiming at the conditions of large number of subsystems, various data types and frequent interaction among the subsystems of a multi-satellite measurement and control management platform, and the lightweight bus is divided into the following parts according to the characteristics and functions of the bus: a traffic data bus and a control bus. The service data bus is used for linking various subsystems in the platform system. The platform system is composed of a plurality of subsystems, and all the subsystems run independently and are linked through a service data bus. And the control bus realizes the management and control of each subsystem in the system and uniformly manages a large number of service processes, computing resources and execution modules in the system.
Various embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a diagram of interactions 100 of a lightweight traffic bus of a multi-star instrumentation and control management platform system according to an embodiment of the invention. As shown in fig. 1, the multi-satellite measurement and control management platform system includes a service scheduling subsystem, an integrated information monitoring subsystem 104, an orbit determination and forecast subsystem 106, a control computing subsystem 108, a telemetry processing subsystem 110, a remote control management subsystem 112, an alarm and fault diagnosis subsystem 114, a measurement and control data management subsystem 116, and a service data bus (or service bus) 118. The service bus 118 is used to link the subsystems in the multi-star measurement and control management platform system. The subsystems operate independently and are linked by a service bus 118 to enable data interaction between the subsystems.
The lightweight bus is a logic concept, is a network communication component which supports information transmission, integrates transmission control protocol ('TCP') communication and user datagram protocol ('UDP') multicast communication in physical implementation, and supports the sending and receiving of various information in a multi-satellite measurement and control management platform system.
In the multi-satellite measurement and control management platform system shown in fig. 1, a service data bus is divided into different port numbers according to data types, adopts different transmission forms, and transmits in a user datagram protocol multicast mode for transmission and reception of service data, and the specific conditions are shown in table 1 below.
Table 1 data transmission port number and mode on bus
The multicast mode is favorable for realizing data sharing, and the system resource consumption is low, namely: a data generator sends data through a measurement and control data sending interface; the data user monitors the data bus through the interface, and directly acquires data from the service data bus when receiving required data.
The interaction of the service data bus 118 with the various subsystem data is as follows:
1) the telemetry processing subsystem 110 acquires the source code data by monitoring the service data bus when telemetry source code data is transmitted on the bus. After verification, the data is converted into telemetering engineering value data according to a telemetering processing method, and the telemetering engineering value data is packaged and sent to the service bus 118 through a configured port number for use by other service subsystems, wherein the application flow of the service bus in telemetering processing is shown in fig. 3, and the packaging format of telemetering parameters is shown in the following tables 2 and 3:
TABLE 2 telemetry parameter Format Table
TABLE 3 Single telemetry parameter Format Table
2) The remote control management subsystem 112 acquires the telemetering engineering value data from the service bus 118, judges the state of the current satellite, sends a corresponding remote control instruction, and sends a remote control instruction sending result to the service bus according to a predefined format and a port number; the format of the remote control command result can be an XML format as shown below, and the content includes the satellite to which the command belongs, a command code, a command sending time, a command execution time, a sending result, a sending time, a current time and the like:
TABLE 4 remote control command result data format
3) The measurement and control data management subsystem 116 monitors a service data bus and a corresponding port number, acquires all measurement and control data, such as a telemetry source code, a telemetry engineering value, non-telemetry data and the like, receives, analyzes and checks the data, and stores the data in a database or a file, wherein the application flow of the service bus in the telemetry engineering value storage is shown in fig. 4;
4) the control calculation subsystem 108 monitors the service data bus and the corresponding port number, acquires the required service data, and completes the calculation of the service data;
5) the integrated information monitoring subsystem 104, the alarm and fault diagnosis subsystem 114, the service scheduling subsystem 102, the track determination and forecast subsystem 106 and other components also acquire required service data through the service data bus 118, and the required service data is displayed on a web page after being processed.
In the multi-satellite measurement and control management platform system, the service data bus is divided into different port numbers according to the data types, adopts different transmission forms and transmits in a UDP multicast mode aiming at the sending and receiving of service data. In one embodiment, the traffic data transmitted on the traffic data bus has 2 general categories: one type is telemetry data; one type is calculation result data. The telemetering data is transmitted in a binary stream form through a telemetering data special transmission port; and calculating result data, transmitting the result data by adopting an XML format, transmitting the data by using a self-defined and effective port number, such as a remote control command sending result in a table 4, transmitting the result by using a 50033 port, transmitting a task planning result by using a 50052 port, and the like in a table 1.
FIG. 2 is a diagram of a control bus interaction 200 of a multi-star instrumentation management platform system according to an embodiment of the present invention. As shown in fig. 2, the control bus 120 implements management and control of various subsystems in the system, and manages a large number of service processes, computing resources, and execution modules in the system in a unified manner.
In one embodiment, the control bus is used for transmitting control information and operation status information of the subsystems, and different port numbers and transmission modes are adopted according to different information types and functions, as shown in table 1. The control information of the subsystem is transmitted through TCP connection communication, the specific transmission format is as shown in tables 5 and 6 below, the running state information of the subsystem is transmitted through connectionless UDP multicast, and the specific format is as shown in tables 7 and 8 below:
table 5 control command format table
Table 6 control command additional contents format table
| Name (R) | Means of | Length (byte) | Remarks for note |
| Type | Type (B) | 4 | |
| Path | Route of travel | 16 | |
| Processcode | Process code | 4 |
Table 7 status information format table
Table 8 information format table of status information
In one embodiment, the control bus 120 implements control of the subsystem processes of the multi-satellite measurement and control platform system, including: starting the process, stopping the process, deleting the process and monitoring the running state of the process. And managing the process and the execution module through a process control command sent by the control bus. When each service process is started, process running information including running identification, master/standby state, running abnormal log information and the like of the process is sent through the control bus. In addition, the platform system acquires the running condition of the host through monitoring the control bus, monitors whether the host runs normally or not, and realizes the active-standby switching.
In one embodiment, all subsystem processes providing services in the system send out their own service information and their own operating status information through the interface provided by the control bus 120 (see tables 7 and 8 for a detailed format description). The user of the subsystem process resource obtains the location and network connection information of the service operation by monitoring the service information broadcasted on the control bus 120 (taking the idea of the enterprise resource bus as a reference here), and connects the software service module through the interface to execute the corresponding service operation. For example, when the track needs to be calculated, the network address for running the track calculation software can be obtained by monitoring the heartbeat information of the track calculation software, and the track calculation module is informed to calculate the track information.
In one embodiment, the process state information sent on the control bus may be used to monitor the running state of the process, and the process running state display client may display the running state of the process on each server to monitor the process execution state. When the process execution is abnormal, the system can give an alarm immediately and inform a user of processing.
Fig. 3 is a flow diagram of an application 300 of a service bus in a telemetry process according to an embodiment of the invention. As shown in fig. 3, the method begins at step 301, at step 302, starting a snoop thread and beginning to snoop the traffic bus. In step 303, it is determined whether there are telemetry source codes 303, and when it is determined that there are no telemetry source codes, the next round of determination is continued in step 303. When telemetry source code 303 is determined to be present, then at step 304, telemetry source code is received. Flow then proceeds to step 305 where the telemetry source code is parsed according to configuration information (including, for example, telemetry frame protocol, telemetry format, processing method, and processing function) and the telemetry engineering values are packaged. Next, at step 306, the packaged telemetry engineering group is sent to the service bus via multicast. Finally, the flow ends in step 307.
FIG. 4 is a flow diagram of an application 400 of a service bus in telemetry engineering value storage according to an embodiment of the invention. As shown in fig. 4, the method begins at step 401, and at step 402, telemetry data storage configuration information is imported, a listening thread is started, and a traffic bus is listened to. Next, at step 403, a determination is made as to whether there is telemetry engineering value data. When it is determined that there is no telemetric engineering value data, the next round of determination operation is performed at step 403. When telemetry engineering value data is determined, flow proceeds to step 404. At this step, telemetry data is received and parsed and verified against telemetry data configuration information. After the parsing and verification is complete, the data is stored in storage at step 405. Finally, the flow ends at step 406.
Although the present invention is described in the above embodiments, the description is only for the convenience of understanding the present invention, and is not intended to limit the scope and application of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A lightweight bus arrangement method of a multi-satellite measurement and control management platform system comprises the following steps:
dividing a lightweight bus of the multi-satellite measurement and control management platform system into a service data bus and a control bus;
configuring the service data bus to link each subsystem in the multi-satellite measurement and control management platform system so as to realize the interaction of telemetering data and/or calculation result data among all subsystems which operate independently; and
configuring the control bus to manage and control each subsystem in the multi-satellite measurement and control management platform system, wherein the management and control comprises transmission of control information and running state information aiming at each subsystem and control of each subsystem process of the multi-satellite measurement and control management platform system;
the data sending party sends data through the measurement and control data sending interface, the data receiving party monitors the service data bus through the interface, and when the required data is received, the data is directly obtained from the service data bus;
through the interface provided by the control bus, all subsystem processes providing services in the multi-satellite measurement and control management platform system send own service information and own running state information outwards, and a user of subsystem process resources acquires the running position and network connection information of the services by monitoring the service information broadcasted on the control bus, and is connected with a software service module through the interface to execute corresponding service operation.
2. The lightweight bus arrangement method as set forth in claim 1, wherein the lightweight bus is physically implemented as a network communication component supporting information transmission, integrating transmission control protocol communication and user datagram protocol multicast communication, and supporting information transmission and reception of the multi-satellite measurement and control management platform system.
3. The lightweight bus arrangement method according to claim 2, wherein in the multi-star measurement and control management platform system, the service data bus is configured to divide different port numbers according to data types, adopt different transmission forms, and transmit in a user datagram protocol multicast manner for transmission and reception of service data.
4. A lightweight bus arrangement method as claimed in claim 3, wherein the transmission is performed by means of user datagram protocol multicast, so that a sender of data sends data through a measurement and control data sending interface, and a receiver of data listens to a service data bus through an interface, and acquires required data from the service data bus.
5. A method as claimed in claim 1, wherein the control bus is configured to transmit control information and operation status information of subsystems according to different types and functions of information and different port numbers and transmission modes, wherein the control information of subsystems is transmitted by communication through transmission control protocol connection, and the operation status information of subsystems is transmitted by multicast through connectionless user datagram protocol.
6. A method of lightweight bus deployment as recited in claim 1, wherein the data interaction of the service data bus with the respective subsystems comprises:
1) the telemetering processing subsystem acquires the source code data by monitoring a service data bus when telemetering source code data are transmitted on the bus, converts the source code data into telemetering engineering value data according to a telemetering processing method after verification, packs the telemetering engineering value data and sends the telemetering engineering value data to the service data bus through a configured port number for other service subsystems to use;
2) the remote control management subsystem acquires remote measurement engineering value data from a service data bus, judges the state of the current satellite, sends a corresponding remote control command, and sends a remote control command sending result to the service data bus according to a predefined format and a port number;
3) the measurement and control data management subsystem monitors the service data bus and the corresponding port number, acquires all measurement and control data, and stores the measurement and control data in a database or a file after analysis and verification;
4) the control calculation subsystem monitors a service data bus and a corresponding port number, acquires required service data and completes calculation of the service data; and
5) the comprehensive information monitoring subsystem, the alarming and fault diagnosis subsystem, the service scheduling subsystem and the track determining and forecasting subsystem also acquire required service data through the service data bus and display the required service data in a webpage after processing.
7. The lightweight bus arrangement method as set forth in claim 1, wherein the traffic data transmitted on the traffic data bus is divided into telemetry data and calculation result data, wherein the telemetry data is transmitted in a form of a binary stream through a telemetry data dedicated transmission port, and the calculation result data is transmitted in an extensible markup language format through a customized and valid port number.
8. The lightweight bus arrangement method of claim 1, wherein the controlling of the control bus to the subsystem processes of the multi-satellite measurement and control management platform system comprises: the multi-satellite measurement and control management platform system starts a process, stops the process, deletes the process, monitors the process running state, manages the process and an execution module through a process control command sent by the control bus, sends process running information including running identification, main and standby states and running abnormal log information of the process through the control bus when each service process is started, and monitors whether the host runs normally or not by monitoring the control bus to realize main and standby switching.
9. The lightweight bus arrangement method according to claim 1, wherein the process state information sent on the control bus is used for monitoring the running state of the process, the running state of the process is displayed through the process running state, the monitoring of the process running state is performed when the client runs the process on each server, and when the process running is abnormal, an alarm is given immediately and a user is notified to process the process.
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