CN104281678B - A kind of moonlet intellectual status monitoring system - Google Patents

Abstract

A small satellite intelligent state monitoring system, including basic data processing module, parameter subscription module, data preprocessing module, configuration management module, instruction communication module, package telemetry display module, parameter attribute module, custom display module, default parameter display module , curve display module, health status module, interpretation display module. The system of the present invention can realize real-time telemetry data display, remote control instruction transmission display, instruction interpretation result display, parameter basic information query display (including processing method), real-time data curve display, and whole satellite health status display in the satellite testing process. The system of the invention can help satellite test personnel to quickly and accurately understand the status information of the satellite, and has the characteristics of high integration, modularization, intelligent monitoring and the like.

Description

A Small Satellite Intelligent Status Monitoring System

technical field

The invention belongs to the field of small satellite comprehensive testing, in particular to a small satellite state monitoring tool.

Background technique

Spacecraft data monitoring refers to the correlation check of spacecraft uplink control commands and downlink telemetry data according to the interpretation criteria during the comprehensive ground test or on-orbit operation management process of the spacecraft to judge whether the spacecraft equipment is working normally and whether the interface is normal or not. Correct, the process of whether the spacecraft is operating normally. According to the scope of application, spacecraft data monitoring is divided into spacecraft ground comprehensive test data monitoring and spacecraft on-orbit operation management data monitoring. The characteristics of data monitoring are: 1) the amount of data is large, the amount of uplink remote control order and downlink telemetry data of the spacecraft exceeds thousands, and the parameter refresh rate is divided into multiple types according to the downlink rate, so the amount of data refreshed in the same second is very large; 2 ) data timeliness and accuracy, the spacecraft is a high-precision measurement system, and the measurement data information during the test process is the source of intuitively reflecting the working state of the spacecraft. 3) The complexity of the data relationship, there is a very complex logical relationship between the telemetry data and the remote control command during the comprehensive test of the spacecraft, and there are many couplings between parameters and parameters, parameters and commands, and commands and commands .

In the past, testing tools directly displayed the telemetry processing results for testers to monitor and record. When an uplink command was sent, testers needed to find relevant parameters for interpretation and recording. With the continuous improvement of spacecraft comprehensive test technology, the test efficiency needs to be improved urgently. This method of completely relying on manual monitoring and interpretation can no longer meet the needs of the development of comprehensive test automation.

Contents of the invention

The technical problem solved by the present invention is: to overcome the deficiencies of the prior art, and provide a small satellite intelligent state monitoring system, which can comprehensively process and display the telemetry parameters and remote control commands in the small satellite test process in a variety of different forms , which is convenient for testers to accurately interpret the test results.

The technical solution of the present invention is: a small satellite intelligent state monitoring system, including a basic data processing module, a parameter subscription module, a data preprocessing module, a configuration management module, an instruction communication module, a package telemetry display module, a parameter attribute module, an automatic Definition display module, default parameter display module, curve display module, health status module, interpretation display module, among which:

Basic data processing module: connect to an external basic information database, obtain test basic information data and send it to the data preprocessing module; the test basic information data includes telemetry parameter information, remote control instruction information, and instruction criterion information;

Parameter subscription module: Send the parameters that need to be subscribed to the external real-time and historical databases, receive the subscribed parameter engineering values and source codes returned by the real-time and historical databases, and send the parameter engineering values and source codes to the data preprocessing module;

Data preprocessing module: including the telemetry structure data buffer area and the instruction structure data buffer area, wherein the telemetry structure data buffer area is used to store the telemetry parameter information from the basic data processing module and the parameter engineering value and source code of the parameter subscription module, and the instruction structure data The buffer area is used to store remote control instruction information and instruction criterion information from the basic data processing module; the data stored in the two data buffer areas is provided to the package telemetry display module, parameter attribute module, custom display module, default parameter display module, curve Display module, health status module and interpretation display module call;

Configuration management module: store all XML configuration files of the small satellite intelligent status monitoring system, including system configuration XML files, custom page XML configuration files, default parameter XML configuration files, curve display XML configuration files, and health status XML configuration files; among them, the system The configuration XML file includes the IP address of the basic information database, the login user name and password of the basic information database, the IP address of the real-time and historical database, the instruction broadcast address, and the instruction broadcast port number; the customized page XML configuration file includes the user-defined parameter code, Define parameter ID number, custom parameter description; default parameter XML configuration file includes default parameter code, default parameter ID number, default parameter description; curve display XML configuration file includes curve parameter code, curve parameter ID number, curve parameter description; health status The XML configuration file includes the health status sub-item parameter code, the health status sub-item parameter ID number, the health status sub-item parameter description, and the health status sub-item parameter processing method;

Command communication module: receive the remote control command broadcast information from the interpretation server of the external main test computer in real time, and send the remote control command broadcast information to the interpretation display module;

Package telemetry display module: Obtain the parameter engineering value and source code of the telemetry parameters related to the package telemetry page from the data preprocessing module and display them in real time on the package telemetry page;

Custom display module: Call the custom page XML configuration file from the configuration management module to obtain the custom parameter code, custom parameter ID number, and custom parameter description, and obtain parameter engineering values related to the custom parameter from the data preprocessing module and source code are displayed in real time on the custom page;

Parameter attribute module: Obtain the code of the telemetry parameter on the package telemetry page from the package telemetry display module, obtain the code of the telemetry parameter on the custom page from the custom display module, and obtain the telemetry parameter on the package telemetry page from the data preprocessing module and the parameter engineering value and source code corresponding to the code of the telemetry parameter on the custom page, and display it on the parameter property page in the form of a list;

Default parameter display module: Call the default parameter XML configuration file from the configuration management module, obtain the default parameter code, default parameter ID number, default parameter description, and obtain the parameter engineering value corresponding to the default parameter from the data preprocessing module on the default telemetry page display in real time;

Curve display module: Call the curve display XML configuration file from the configuration management module to obtain the curve parameter code, curve parameter ID number, and curve parameter description, and obtain the parameter engineering values related to the curve parameters from the data preprocessing module in the form of curves. The page is displayed in real time;

Health status module: Call the health status XML configuration file from the configuration management module to obtain the health status sub-item parameter code, health status sub-item parameter ID number, health status sub-item parameter description, health status sub-item parameter processing method, and obtain The processing module obtains the parameter engineering value corresponding to the health status sub-item, processes the acquired parameter engineering value according to the health status sub-item parameter processing method, and displays the processing result in real time on the health status page in units of the health status sub-item;

Interpretation and display module: receives the broadcast information of the remote control command from the command communication module, obtains the relevant data of the telemetry structure data buffer area and the command structure data buffer area related to the broadcast information of the remote control command from the data preprocessing module, and compares it with the command criterion information Relevant parameter engineering values and source codes are displayed in real time.

The advantage of the present invention compared with prior art is:

(1) The system is highly integrated, and integrates various upper-level tools such as telemetry data display, curve display, and data monitoring tools into a small satellite intelligent status monitoring system. In this way, it is convenient for testers to complete the entire satellite with one tool. telemetry monitoring and status monitoring;

(2) The system adopts a modular architecture design, and each module has an independent function calling method, which can perform function upgrades and interface expansion, which is convenient for the subsequent secondary development and upgrade of the system;

(3) The system has high intelligence, and it is designed with functions such as command interpretation result display, telemetry parameter information acquisition, and whole-star health status monitoring. Through the command communication module and the interpretation display module, the relevant criterion information of the remote control command can be quickly returned, and the test personnel do not need to search for the remote control command criterion telemetry one by one, so that the monitoring of the command sending is clear at a glance. The parameter attribute module can conveniently obtain telemetry structure data, help testers quickly analyze parameter processing information, and respond to parameter status in a timely manner. Whole-satellite health status monitoring Through the health status module, it is judged whether the satellite is currently in a normal state. When an abnormality occurs, an error message will be prompted immediately, so that the tester can make a timely response to the health status of the whole satellite;

(4) The system adopts the shared memory method for telemetry data subscription, and uses the parameter ID number as the index to access parameter value information, which can ensure the efficiency of parameter refresh.

Description of drawings

Fig. 1 is the schematic diagram of the system of the present invention;

Fig. 2 is a schematic diagram of telemetry structure data storage in the present invention.

detailed description

As shown in Figure 1, the small satellite intelligent state monitoring system of the present invention includes: a basic data processing module, a parameter subscription module, a data preprocessing module, an instruction communication module, a packet telemetry display module, a custom display module, a default parameter display module, a curve Display module, interpretation display module, parameter attribute module, health status module, configuration management module. The functions and working methods of each component module are as follows:

Basic data processing module: connect to the external basic information database, obtain basic test information data, including telemetry parameter information, remote control instruction information, and instruction criterion information, and send the test basic information data to the data preprocessing module. Telemetry parameter information includes parameter ID number, parameter code, parameter description, parameter type, parameter location information, parameter length, and parameter processing method. Primarily used to construct telemetry structure data. Remote command information includes command ID number, command code, command description, command type, command length, command code word, and command criterion ID number. The instruction criterion information includes instruction criterion ID number, instruction criterion description, instruction criterion type, instruction interpretation range, and instruction interpretation time limit. The remote control command information and the command criterion information together constitute the command structure data, wherein the command criterion ID number in the remote control command information is associated with the command criterion information as a primary key.

Parameter subscription module: Send the parameters that need to be subscribed to the external real-time and historical databases, receive the subscribed real-time parameter engineering values and source codes returned by the real-time and historical databases, and send the parameter engineering values and source codes to the data preprocessing module.

Data preprocessing module: open up a telemetry structure data cache area for storing telemetry parameter information from the basic data processing module and parameter engineering values and source codes of the parameter subscription module. Open up an instruction structure data buffer area for storing instruction information and instruction criterion information from the basic data processing module; provide telemetry structure data and instruction structure data to the package telemetry display module, custom display module, default parameter display module, curve The display module, the interpretation display module, the parameter attribute module, and the health status module are called.

Package telemetry display module: firstly obtain the package telemetry page display telemetry parameters through the data preprocessing module; secondly obtain the corresponding package telemetry structure data through the data preprocessing module; finally display the acquired package telemetry parameter engineering value and source code to the package in real time Telemetry page. The package telemetry structure data includes system ID number, package code, package identification, package length, package sub-identification, and package description. Among them, the system ID number is the primary key, which is used as the unique identifier of the packet telemetry structure data; the packet code is the custom identifier of the packet telemetry structure data; the packet identifier is the hexadecimal identifier of the packet telemetry data in the frame telemetry data; the packet length It is the length occupied by the packet telemetry data in the frame telemetry data; the packet sub-identification is the packet telemetry hexadecimal identifier for distinguishing the multiplexing type; the packet description is the packet telemetry definition description.

Custom display module: first read the XML configuration file of the custom page, and obtain the custom parameter code, custom parameter ID number, and custom parameter description; secondly, obtain the telemetry structure data corresponding to the custom page through the data preprocessing module; Finally, the obtained custom telemetry parameter engineering value and source code are displayed on the custom page in real time.

Default parameter display module: first read the default parameter XML configuration file to obtain the default parameter code, default parameter ID number, and default parameter description; secondly, obtain the telemetry structure data corresponding to the default page through the data preprocessing module; finally, obtain the obtained Default telemetry parameter engineering values are displayed in real time to the default telemetry page.

Curve display module: first read the curve display XML configuration file, obtain the curve parameter code, curve parameter ID number, and curve parameter description; secondly, obtain the telemetry structure data corresponding to the curve page through the data preprocessing module; finally, obtain the telemetry parameters The engineering value is displayed on the curve page in real time in the form of a curve.

Parameter attribute module: first obtain the parameter code of the parameter selected by the package telemetry page and the custom telemetry page; secondly, obtain the telemetry structure data of the parameter through the data preprocessing module, and finally display the obtained telemetry structure data in the form of a list in the parameter properties page.

Health status module: first read the health status XML configuration file, and obtain the health status sub-item description, health status sub-item parameter code, health status sub-item parameter ID number, health status sub-item parameter description, and health status sub-item parameter processing method ;Secondly, the corresponding telemetry structure data is obtained through the data preprocessing module, and then the obtained telemetry parameter engineering value is judged according to the parameter processing method of the health status sub-item; finally, the judgment result is displayed on the health status page; the health sub-item It is defined for a certain health sub-state, and it is considered abnormal when it meets the interpretation range of the health sub-item; the parameter ID number and parameter description are the criterion parameters contained in the health sub-item; the processing method of the parameters of the health sub-item is to judge the health status of the sub-item Processing methods, including results, loops, increments, conversions.

Command communication module: receive the remote control command broadcast information from the external MTP interpretation server in real time, and send the remote control command broadcast information to the interpretation display module, wherein the remote control command broadcast information includes command execution time, command ID number, command code word, command execution The structured data for the result.

Interpretation and display module: Firstly, it receives the remote command broadcast information from the command communication module, and then obtains the command structure data through the data preprocessing module, and then obtains the criterion information through the criterion ID number in the command structure data, so as to obtain the parameters related to the command Telemetry structure data, and finally the telemetry engineering value and source code of the command criterion parameters are displayed in real time. When the next instruction is executed, it will automatically refresh the criterion parameter telemetry engineering value and source code of the next instruction. At the same time, you can select the command that has been executed, and read the relevant criterion parameter telemetry engineering value and source code.

Configuration management module: manage all XML configuration files of monitoring tools, including system configuration XML files, custom page XML configuration files, default parameter XML configuration files, curve display XML configuration files, and health status XML configuration files. The system configuration XML file includes basic information database IP, basic information database login user name and password, real-time and historical database IP, command broadcast address, command broadcast port number; custom page XML configuration file includes custom parameter code, custom parameter ID number, custom parameter description; default parameter XML configuration file includes default parameter code, default parameter ID number, default parameter description; curve display XML configuration file includes curve parameter code, curve parameter ID number, curve parameter description; health status XML configuration The file includes the health status sub-item description, the health status sub-item parameter code, the health status sub-item parameter ID number, the health status sub-item parameter description, and the health status sub-item parameter processing method.

The concrete workflow of the system of the present invention is as follows:

(1) Initialization, read the system configuration information through the configuration management module, and connect to the basic database according to the system configuration information. Obtain test basic information data, including telemetry parameter information, remote control instruction information, and instruction criterion information, and send the test basic information data to the data preprocessing module;

(2) Connect to the external basic database. After the connection is successful, load the instruction information through the basic data processing module, read an instruction in the instruction master table, write the instruction attributes into the Map table in turn, and obtain the instruction criterion according to the instruction ID number. Store the criterion information into the relevant instruction criterion array, and generate a piece of instruction structure data. Continue to read the next instruction until all instructions have been traversed. Then send all instruction structure data to the data preprocessing module;

(3) Connect to external real-time and historical databases, and send the parameters that need to be subscribed after the connection is successful. Receive the subscribed real-time parameter engineering value and source code returned by the real-time and historical database, and send the parameter engineering value and source code to the data preprocessing module;

(4) The data preprocessing module subscribes to parameter information and sends corresponding structured data according to the request. Open up the telemetry structure data cache area, which is used to store the telemetry parameter information from the basic data processing module and the parameter engineering value and source code of the parameter subscription module. Create an instruction structure data cache area for storing instruction information and instruction criterion information from the basic data processing module. Provide telemetry structure data and instruction structure data to package telemetry display module, custom display module, default parameter display module, curve display module, interpretation display module, parameter attribute module, health status module call;

(5) When the package telemetry display, custom page display, default parameter display, and curve display page are opened, read the corresponding XML configuration file, obtain the parameter ID number in the page, and then send the parameter ID number to the data preset in the form of an array processing module. The data preprocessing module reads the parameter telemetry structure data through the hash table method according to the parameter ID number, and returns the parameter telemetry structure data to the corresponding page for display;

(6) To interpret the display page, first receive the broadcast information of the remote control command from the command communication module, then obtain the command structure data through the data preprocessing module, and then obtain the criterion information through the criterion ID number in the command structure data, thereby obtaining the sum command The telemetry structure data of relevant parameters, and finally the telemetry engineering value and source code of the instruction criterion parameters are displayed in real time. When the next instruction is executed, it will automatically refresh the criterion parameter telemetry engineering value and source code of the next instruction. At the same time, you can select the command that has been executed, and read the relevant criterion parameter telemetry engineering value and source code;

(7) On the health status display page, first read the health status XML configuration file, and obtain the health status sub-item description, health status sub-item parameter code, health status sub-item parameter ID number, health status sub-item parameter description, health status sub-item The project parameter processing method; secondly, the corresponding telemetry structure data is obtained through the data preprocessing module, and then the obtained telemetry parameter engineering value is judged according to the health status sub-item parameter processing method; finally, the judgment result is displayed on the health status page.

As shown in Figure 2, the telemetry structure data storage method is as follows:

When there is a parameter update, the parameter subscription module sends the parameter update data to the data preprocessing module. The data preprocessing module sends the parameter update information to the parameter MAP cache through the parameter ID number, and the MAP cache uses the parameter ID number as an index, and sends the updated data to the telemetry structure data through the hash table lookup method; when the data preprocessing module needs to obtain When the telemetry structure data is used, the data preprocessing module sends the parameter ID number to the parameter MAP cache, and the MAP cache is indexed by the parameter ID number, finds the corresponding telemetry structure data through the hash lookup method, and returns the telemetry structure data to the data preprocessing processing module.

Telemetry structure data includes: parameter ID number, parameter code, parameter description, parameter type, parameter location information, parameter length, parameter processing method, parameter accuracy, parameter engineering value/source code, and parameter refresh time. Among them, the parameter ID number is the primary key, which is used as the unique identifier of the parameter; the parameter code is the custom identification symbol of the parameter structure data; the parameter description is the parameter definition description; the parameter type is the type of the parameter, including unsigned integer, signed integer, float point type, character type; the parameter position information is the byte position of the parameter in the frame telemetry; the parameter length is the byte length of the parameter in the frame telemetry; the parameter processing method is the processing method adopted when the parameter is parsed into a specific real value, including direct Read, curve, temperature, complement, description; parameter accuracy is the number of effective decimal places for floating-point parameters; parameter engineering value/source code is the real value and hexadecimal original value after parameter processing is completed, and the parameter refresh time is parameter processing specific time afterwards.

The instruction structure data includes: instruction ID number, instruction code, instruction description, instruction type, instruction length, instruction code word, instruction criterion ID number, instruction criterion description, instruction criterion type, instruction interpretation range, and instruction interpretation time limit . Among them, the instruction ID number is the primary key, which is used as the unique identifier of the instruction; the instruction code is the custom identification symbol of the instruction structure data; the instruction description is the instruction definition description; the instruction type is the type of the instruction, including symbol instructions and data instructions; the instruction length is the instruction code word byte length; the instruction code word is the specific content of the instruction code; the instruction criterion ID number is the instruction criterion primary key, which is used as the unique identifier of the instruction criterion; the instruction criterion description is the instruction criterion definition description; the instruction criterion type is the instruction The type of the criterion, including result, loop, increment, and conversion; the instruction interpretation range is the specific interpretation range of the instruction criterion including the criterion information; the instruction interpretation time limit is the maximum time limit requirement for the instruction interpretation.

The content that is not described in detail in the description of the present invention belongs to the well-known technology of those skilled in the art.

Claims (1)

1. A small satellite intelligent state monitoring system is characterized in that: it includes a basic data processing module, a parameter subscription module, a data preprocessing module, a configuration management module, an instruction communication module, a telemetry data packet display module, a parameter attribute module, a custom Display module, default parameter display module, curve display module, health status module, interpretation display module, of which: Basic data processing module: connect to an external basic information database, obtain test basic information data and send it to the data preprocessing module; the test basic information data includes telemetry parameter information, remote control instruction information, and instruction criterion information; Parameter subscription module: Send the parameters that need to be subscribed to the external real-time and historical databases, receive the subscribed parameter engineering values and source codes returned by the real-time and historical databases, and send the parameter engineering values and source codes to the data preprocessing module; Data preprocessing module: including the telemetry structure data buffer area and the instruction structure data buffer area, wherein the telemetry structure data buffer area is used to store the telemetry parameter information from the basic data processing module and the parameter engineering value and source code of the parameter subscription module, and the instruction structure data The buffer area is used to store remote control instruction information and instruction criterion information from the basic data processing module; the data stored in the two data buffer areas is provided to the telemetry data packet display module, parameter attribute module, custom display module, default parameter display module, Curve display module, health status module and interpretation display module call; Configuration management module: store all XML configuration files of the small satellite intelligent status monitoring system, including system configuration XML files, custom page XML configuration files, default parameter XML configuration files, curve display XML configuration files, and health status XML configuration files; among them, the system The configuration XML file includes the IP address of the basic information database, the login user name and password of the basic information database, the IP address of the real-time and historical database, the instruction broadcast address, and the instruction broadcast port number; the customized page XML configuration file includes the user-defined parameter code, Define parameter ID number, custom parameter description; default parameter XML configuration file includes default parameter code, default parameter ID number, default parameter description; curve display XML configuration file includes curve parameter code, curve parameter ID number, curve parameter description; health status The XML configuration file includes the health status sub-item parameter code, the health status sub-item parameter ID number, the health status sub-item parameter description, and the health status sub-item parameter processing method; Command communication module: receive the remote control command broadcast information from the interpretation server of the external main test computer in real time, and send the remote control command broadcast information to the interpretation display module; Telemetry data packet display module: obtain parameter engineering values and source codes of telemetry parameters related to the telemetry data packet page from the data preprocessing module and display them in real time on the telemetry data packet page; Custom display module: Call the custom page XML configuration file from the configuration management module to obtain the custom parameter code, custom parameter ID number, and custom parameter description, and obtain parameter engineering values related to the custom parameter from the data preprocessing module and source code are displayed in real time on the custom page; Parameter attribute module: Obtain the code of the telemetry parameter on the telemetry data packet page from the telemetry data packet display module, obtain the code of the telemetry parameter on the custom page from the custom display module, and obtain the telemetry data packet page from the data preprocessing module The code of the telemetry parameter and the parameter engineering value and source code corresponding to the code of the telemetry parameter on the custom page are displayed on the parameter property page in the form of a list; Default parameter display module: Call the default parameter XML configuration file from the configuration management module, obtain the default parameter code, default parameter ID number, default parameter description, and obtain the parameter engineering value corresponding to the default parameter from the data preprocessing module on the default telemetry page display in real time; Curve display module: Call the curve display XML configuration file from the configuration management module to obtain the curve parameter code, curve parameter ID number, and curve parameter description, and obtain the parameter engineering values related to the curve parameters from the data preprocessing module in the form of curves. The page is displayed in real time; Health status module: Call the health status XML configuration file from the configuration management module to obtain the health status sub-item parameter code, health status sub-item parameter ID number, health status sub-item parameter description, health status sub-item parameter processing method, and obtain The processing module obtains the parameter engineering value corresponding to the health status sub-item, processes the acquired parameter engineering value according to the health status sub-item parameter processing method, and displays the processing result in real time on the health status page in units of the health status sub-item; Interpretation and display module: receives the broadcast information of the remote control command from the command communication module, obtains the relevant data of the telemetry structure data buffer area and the command structure data buffer area related to the broadcast information of the remote control command from the data preprocessing module, and compares it with the command criterion information Relevant parameter engineering values and source codes are displayed in real time.