CN117250981A - Spacecraft energy system digital accompanying system and method based on data and time driving - Google Patents
Spacecraft energy system digital accompanying system and method based on data and time driving Download PDFInfo
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Abstract
A spacecraft energy system digital companion flight system and method based on data and time driving, comprising: on-orbit long tube monitoring module: receiving and processing on-orbit telemetry data transmitted by a spacecraft measurement and control radio frequency channel; the on-orbit spacecraft energy parameter acquisition module is used for: receiving on-orbit telemetry data multicast by an on-orbit long tube monitoring module, and extracting parameters including spacecraft time, illumination parameters and bus load parameters; the energy system digital simulation module: based on spacecraft time, illumination parameters and bus load parameters extracted from in-orbit telemetry data, performing energy simulation by using an energy system digital simulation model to generate energy system working parameters; virtual-real synchronization comparison module of energy system: and comparing and analyzing the simulation data and the real data after the time alignment of the simulation working parameters of the energy system and the working parameters of the on-orbit real energy system synchronously, and monitoring the deviation of the virtual and real data to realize digital accompanying and synchronous monitoring.
Description
Technical Field
The invention relates to the technical field of on-orbit digital companion flight monitoring, in particular to a digital companion flight system and method of a spacecraft energy system based on data and time driving, which are applied to satellite on-orbit operation monitoring.
Background
The energy system is used as the only electric energy source in the on-orbit operation of the spacecraft, and the working state of the energy system directly influences the success or failure of the whole flight task. The technology of fault prediction and health management (Prognost ics and Health Management, PHM) has acquired sufficient attention in the field of spacecraft energy, but the PHM technology facing on-orbit spacecraft energy still faces many realistic challenges such as few spacecraft fault samples, simple expert preset rules, insufficient threshold abnormal perception and the like. The on-orbit spacecraft energy anomaly perception capability can be effectively improved through digital accompanying flight and virtual-real synchronous monitoring of the energy system, so that the invention provides the on-orbit spacecraft energy system digital accompanying flight system and method based on data and time driving, which are used for health management of the on-orbit spacecraft energy system and improve the anomaly perception and health assessment capability.
Patent document CN106054924a (application number 201610522103.3) discloses a flying method, a flying apparatus, and a flying system of an unmanned aerial vehicle; patent document CN109923038A (application number 201780069503.6) discloses a flying backpack of an unmanned aerial vehicle and a flying system of the unmanned aerial vehicle; patent document CN105242685B (application number: 201510671819.5) discloses a flying unmanned aerial vehicle aerial photographing system and method; patent document CN103345256B (application No. 201310266177.1) discloses a relative companion and position shift control method based on relative track elements; patent document CN104076819B (application number 201410323236.9) discloses a boundary control method for satellite bounded satellite flight under a circular reference orbit; patent document CN106227225B (application number 201610726932.3) discloses a spacecraft coplanar formation accompanying configuration control method; patent document CN105203112B (application number 201510580382.4) discloses a satellite atmospheric entry section accompanying beacon assisted navigation method; patent document CN108957499B (application number 201810417623.7) discloses a satellite target relative navigation method based on observed amount spectrum analysis and optimal estimation; the prior art is different from the energy digital accompanying flight of the invention; meanwhile, the documents of the Beijing space vehicle overall design department-Miao Yuanming, such as hard X-ray modulation telescope satellite digital accompanying flight system design and application, are searched and analyzed, and the attitude control and data processing accompanying flight method exploration is mainly carried out; through investigation and analysis, the prior art mainly relates to unmanned plane accompanying flight and spacecraft attitude control orbit accompanying flight, which is different from the spacecraft energy digital accompanying flight method based on data and time driving. At present, no description or report similar to the related technology is found, and similar data at home and abroad are not collected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a spacecraft energy system digital accompanying system and method based on data and time driving.
The invention provides a spacecraft energy system digital accompanying system based on data and time driving, which comprises:
on-orbit long tube monitoring module: receiving and processing on-orbit telemetry data transmitted by a spacecraft measurement and control radio frequency channel;
the on-orbit spacecraft energy parameter acquisition module is used for: receiving on-orbit telemetry data multicast by an on-orbit long tube monitoring module, and extracting parameters including spacecraft time, illumination parameters and bus load parameters;
the energy system digital simulation module: based on spacecraft time, illumination parameters and bus load parameters extracted from in-orbit telemetry data, performing energy simulation by using an energy system digital simulation model to generate energy system working parameters;
virtual-real synchronization comparison module of energy system: and comparing and analyzing the simulation data and the real data after the time alignment of the simulation working parameters of the energy system and the working parameters of the on-orbit real energy system synchronously, and monitoring the deviation of the virtual and real data to realize digital accompanying and synchronous monitoring.
Preferably, the energy system digital simulation model is driven by using illumination and load condition data; taking the illumination angle and illumination intensity as power generation simulation input of an energy system; the platform load and the load are used as power utilization simulation input of the energy system.
Preferably, the simulation beat of the digital simulation model of the energy system is driven by remote measurement of spacecraft time, the spacecraft time is updated by taking preset time as the beat, and then the digital simulation model of the energy system is updated by preset step length.
Preferably, the working parameters of the on-orbit real energy system include: telemetry parameters including spacecraft time, bus voltage, battery voltage, charge current, discharge current extracted from the in-orbit telemetry data.
The invention provides a spacecraft energy system digital accompanying method based on data and time driving, which comprises the following steps:
step S1: an on-orbit remote measurement data transmitted by a spacecraft measurement and control radio frequency channel is received and processed by an on-orbit long tube monitoring module;
step S2: an on-orbit spacecraft energy parameter acquisition module is utilized to receive on-orbit telemetry data multicast by an on-orbit long tube monitoring module, and the on-orbit telemetry data comprises spacecraft time, illumination parameters and bus load parameters;
step S3: the energy system digital simulation module is used for carrying out energy simulation by using an energy system digital simulation model to generate energy system working parameters based on spacecraft time, illumination parameters and bus load parameters extracted from in-orbit telemetry data;
step S4: the virtual-real synchronization comparison module of the energy system compares simulation data with real data after the simulation working parameters of the energy system and the working parameters of the on-orbit real energy system are aligned in time synchronously, monitors the deviation of the virtual-real data, and realizes digital accompanying and synchronous monitoring.
Preferably, the energy system digital simulation model is driven by using illumination and load condition data; taking the illumination angle and illumination intensity as power generation simulation input of an energy system; the platform load and the load are used as power utilization simulation input of the energy system.
Preferably, the simulation beat of the digital simulation model of the energy system is driven by remote measurement of spacecraft time, the spacecraft time is updated by taking preset time as the beat, and then the digital simulation model of the energy system is updated by preset step length.
Preferably, the working parameters of the on-orbit real energy system include: telemetry parameters including spacecraft time, bus voltage, battery voltage, charge current, discharge current extracted from the in-orbit telemetry data.
According to the invention, the computer readable storage medium is provided with a computer program, and the computer program realizes the steps of the digital accompanying method of the spacecraft energy system based on data and time driving when being executed by a processor.
The electronic equipment provided by the invention comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the computer program realizes the steps of the data and time driving-based spacecraft energy system digital companion method when being executed by the processor.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a spacecraft energy system digital accompanying system and a spacecraft energy system digital accompanying method based on data and time driving, which are used for receiving on-orbit real data and spacecraft time beat driving, simulating and outputting working parameters of an energy system, and synchronously aligning, virtual-real comparing, realizing digital accompanying and synchronous monitoring and having good engineering application value, wherein the simulation data and the real data are synchronously aligned and virtual-real compared based on the spacecraft time;
2. based on the data and the time driving energy simulation model, the simulation data are generated and synchronously aligned with the on-orbit real data, and are compared with the on-orbit real data in a virtual-real mode, so that the health perception capability of the spacecraft energy system is improved.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
fig. 1 is a flow chart of a digital accompanying method of a spacecraft energy system based on data and time driving.
Fig. 2 is a schematic diagram of the energy simulation model composition and information interaction of the digital accompanying system.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
Example 1
The invention provides a spacecraft energy system digital accompanying system and method based on data and time driving in order to solve the defects in the prior art.
The invention provides a spacecraft energy system digital accompanying system based on data and time driving, which comprises: the digital companion flight system realizes virtual-real interaction through the on-orbit long tube monitoring system to acquire the running information of the spacecraft;
the system comprises an on-orbit long tube monitoring module, an on-orbit spacecraft energy parameter acquisition module, an energy system digital simulation module and an energy system virtual-real synchronization comparison module;
the on-orbit long tube monitoring module is used for receiving and processing telemetry data transmitted by the spacecraft measurement and control radio frequency channel;
the on-orbit spacecraft energy parameter acquisition module is used for receiving remote measurement parameter data multicast by the on-orbit long tube monitoring system and extracting input information of an energy simulation model and internal working parameter information of the energy system from the remote measurement parameter data;
the energy system digital simulation module is used for receiving input parameters (parameters such as spacecraft time, illumination angle, bus load and the like) of an energy simulation model of the accompanying system extracted from in-orbit telemetry data, performing energy simulation and generating working parameters of the energy system;
the virtual-real synchronization comparison module of the energy system is used for synchronizing the energy simulation data and the on-orbit real data, and comparing and analyzing the simulation data and the real data after time alignment.
Specifically, the illumination condition and load condition input of the energy system digital simulation model are extracted from in-orbit telemetry, and the solar cell array of the energy system digital simulation model is driven to generate power and the bus load is driven to use power, so that energy closed-loop simulation is completed;
specifically, the simulation beat of the digital simulation model of the energy system is driven by the remote measurement of the spacecraft time;
specifically, the simulation data of the digital accompanying system and the energy data of the on-orbit spacecraft are aligned through spacecraft time, so that virtual and real data synchronous comparison is realized;
according to the invention, as shown in fig. 1, the digital accompanying method of the spacecraft energy system based on data and time driving comprises the following steps:
step 101: the spacecraft energy digital companion flying system receives on-orbit telemetry data which are multicast-transmitted by the on-orbit long tube monitoring module through a network;
step 102: extracting input parameters of an energy simulation model of a companion flight system from in-orbit telemetry data, wherein the input parameters comprise spacecraft time, illumination parameters and bus load parameters;
step 103: extracting self working parameter data of a spacecraft energy system from on-orbit telemetry data, wherein the self working parameter data comprise telemetry parameters such as spacecraft time, bus voltage, storage battery voltage, electric quantity, charging current, discharging current and the like, and the telemetry parameters are used as real on-orbit data;
step 104: using a spacecraft time driving energy simulation model, wherein the spacecraft time is updated with 0.5s as a beat, so that the energy simulation model is updated with 0.5s as a step length;
step 105: using an illumination and load condition data driving energy simulation model, taking an illumination angle and illumination intensity as power generation simulation input of an energy system, and taking a platform bus load and a load bus load as power utilization simulation input of the energy system;
step 106: the energy simulation model comprises a solar cell array, a storage battery and a power supply controller, as shown in fig. 2, based on illumination and load simulation input parameters of step 105, the spacecraft time is taken as a beat, and the energy model is driven to perform closed-loop simulation;
step 201: outputting a simulation telemetry packet of the energy system according to the time beat of the spacecraft;
step 202: the synchronous alignment of the simulation data and the on-orbit real data is realized through the alignment of the simulation time and the on-orbit real time;
step 203: and (3) comparing and analyzing the simulation data with the real data after time alignment, and monitoring the deviation of virtual and real data to realize digital accompanying and synchronous monitoring.
According to the invention, the computer readable storage medium is provided with a computer program, and the computer program realizes the steps of the digital accompanying method of the spacecraft energy system based on data and time driving when being executed by a processor.
The electronic equipment provided by the invention comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the computer program realizes the steps of the data and time driving-based spacecraft energy system digital companion method when being executed by the processor.
In conclusion, the digital accompanying flight of the spacecraft energy system based on data and time driving is completed, in-orbit real data and spacecraft time beat driving are received, working parameters of the energy system are simulated, the simulation data and the real data are synchronously aligned and virtual-real comparison is carried out based on the spacecraft time, digital accompanying flight and synchronous monitoring are realized, and the method has good engineering application value.
Those skilled in the art will appreciate that the invention provides a system and its individual devices, modules, units, etc. that can be implemented entirely by logic programming of method steps, in addition to being implemented as pure computer readable program code, in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers, etc. Therefore, the system and various devices, modules and units thereof provided by the invention can be regarded as a hardware component, and the devices, modules and units for realizing various functions included in the system can also be regarded as structures in the hardware component; means, modules, and units for implementing the various functions may also be considered as either software modules for implementing the methods or structures within hardware components.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a spacecraft energy system digital companion flies system based on data and time drive which characterized in that includes:
on-orbit long tube monitoring module: receiving and processing on-orbit telemetry data transmitted by a spacecraft measurement and control radio frequency channel;
the on-orbit spacecraft energy parameter acquisition module is used for: receiving on-orbit telemetry data multicast by an on-orbit long tube monitoring module, and extracting parameters including spacecraft time, illumination parameters and bus load parameters;
the energy system digital simulation module: based on spacecraft time, illumination parameters and bus load parameters extracted from in-orbit telemetry data, performing energy simulation by using an energy system digital simulation model to generate energy system working parameters;
virtual-real synchronization comparison module of energy system: and comparing and analyzing the simulation data and the real data after the time alignment of the simulation working parameters of the energy system and the working parameters of the on-orbit real energy system synchronously, and monitoring the deviation of the virtual and real data to realize digital accompanying and synchronous monitoring.
2. The data and time driven spacecraft energy system digital companion system of claim 1 wherein said energy system digital simulation model is driven using illumination and load condition data; taking the illumination angle and illumination intensity as power generation simulation input of an energy system; the platform load and the load are used as power utilization simulation input of the energy system.
3. The data and time driving-based digital accompanying system of the spacecraft energy system according to claim 1, wherein the simulation beat of the digital simulation model of the energy system is driven by the remote measurement of the spacecraft time, the spacecraft time is updated with the preset time as the beat, and then the digital simulation model of the energy system is updated with the preset step length.
4. The data and time driven spacecraft energy system digital companion system of claim 1 wherein said on-orbit real energy system operating parameters comprise: telemetry parameters including spacecraft time, bus voltage, battery voltage, charge current, discharge current extracted from the in-orbit telemetry data.
5. The digital accompanying method of the spacecraft energy system based on data and time driving is characterized by comprising the following steps of:
step S1: an on-orbit remote measurement data transmitted by a spacecraft measurement and control radio frequency channel is received and processed by an on-orbit long tube monitoring module;
step S2: an on-orbit spacecraft energy parameter acquisition module is utilized to receive on-orbit telemetry data multicast by an on-orbit long tube monitoring module, and the on-orbit telemetry data comprises spacecraft time, illumination parameters and bus load parameters;
step S3: the energy system digital simulation module is used for carrying out energy simulation by using an energy system digital simulation model to generate energy system working parameters based on spacecraft time, illumination parameters and bus load parameters extracted from in-orbit telemetry data;
step S4: the virtual-real synchronization comparison module of the energy system compares simulation data with real data after the simulation working parameters of the energy system and the working parameters of the on-orbit real energy system are aligned in time synchronously, monitors the deviation of the virtual-real data, and realizes digital accompanying and synchronous monitoring.
6. The data and time driven spacecraft energy system digital companion method of claim 5 wherein said energy system digital simulation model is driven using illumination and load condition data; taking the illumination angle and illumination intensity as power generation simulation input of an energy system; the platform load and the load are used as power utilization simulation input of the energy system.
7. The method for digitally accompanying the spacecraft energy system based on data and time driving according to claim 5, wherein the simulation beat of the digital simulation model of the energy system is remotely driven by spacecraft time, the spacecraft time is updated with the preset time as the beat, and then the digital simulation model of the energy system is updated with the preset step length.
8. The data and time driven spacecraft energy system digital companion method of claim 5 wherein said on-orbit real energy system operating parameters comprise: telemetry parameters including spacecraft time, bus voltage, battery voltage, charge current, discharge current extracted from the in-orbit telemetry data.
9. A computer readable storage medium storing a computer program, wherein the computer program when executed by a processor implements the steps of the data and time driven spacecraft energy system digital companion method of any one of claims 5 to 8.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the computer program when executed by the processor implements the steps of the data and time driven spacecraft energy system digital companion method of any one of claims 5 to 8.
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