A small satellite energy management system and method

Abstract

The present invention discloses a small satellite energy management system and method, and relates to the field of satellite energy data processing technology. The small satellite energy management system includes a small satellite energy mechanical self-check module, a small satellite energy management temperature adaptation adjustment module, a small satellite energy first evaluation module, a small satellite energy first management module, a small satellite energy second evaluation module, and a small satellite energy second management module. The present invention improves the accuracy of small satellite energy management system adjustment when responding to space environment changes by adjusting according to predefined mechanical inspection results; adjusting according to predefined temperature inspection results; performing small satellite energy first management according to small satellite energy first comparative analysis results; performing small satellite energy second management according to small satellite energy second comparative analysis results; thereby solving the problem of inaccurate adjustment of small satellite energy management system in the prior art when responding to space environment changes.

Description

Technical Field

[0001] The present invention relates to the technical field of satellite energy data processing, and in particular to a small satellite energy management system and method. Background Art

[0002] With the rapid development of space technology, the energy demand of satellites is growing. Especially when high power and lightweight become the main direction of satellite development, it is particularly important to improve the efficiency and power density of the energy system. At the same time, the development of 6G networks has promoted the demand for low-orbit satellite communications, and low-orbit satellites have become an important part of the future satellite Internet. These satellites require efficient energy management systems to support their in-orbit operations. Small satellites have become the first choice for commercial space launches due to their advantages such as low cost, fast delivery and high functional density. With the increase in commercial demand, the small satellite industry is expected to continue to grow.

[0003] Existing small satellite energy management systems are based on commercial system-on-chips. This design improves system functional density, reduces system power consumption, and ensures system reliability through software redundancy protection strategies and system-level safety mode design; or through maximum power point tracking technology, the maximum power point of the solar panel is adjusted to meet load requirements and improve the energy utilization of the solar panel.

[0004] For example, a small satellite energy management system and method is disclosed in the patent application with announcement number CN110991008B, including: a high-fidelity energy supply simulation module: generating high-fidelity satellite energy supply V / I control parameters based on the satellite's on-orbit operation status simulation, and sending them to a reconfigurable energy supply monitoring module; a reconfigurable energy supply monitoring module: receiving V / I control parameters, reorganizing the power module hardware resources, controlling the power module output, and monitoring the power module working status; a power module: outputting the voltage and current of the satellite power supply.

[0005] For example, the patent application announcement with announcement number CN109871304B analyzes the relationship between the support vector machine and the health status of the satellite power system, transforms the health assessment problem of the satellite power system performance into a classification problem, evaluates the health status of the satellite power system as a whole, determines the hidden dangers of abnormalities and failures that may occur in the satellite power system, improves the control of the satellite power system by the operation and management personnel, and realizes refined management methods.

[0006] With respect to the above-mentioned related technologies, it is found that the above-mentioned technologies have at least the following technical problems:

[0007] In the existing technology, small satellite energy management systems are mainly used for small satellites in low-Earth orbit, especially those satellites that need to rely on solar energy as their main energy source. In the low-Earth orbit environment, the satellite's orbital period is short, the sunlight changes rapidly, and it is easily affected by solar activity and plasma environment. There is a problem that the small satellite energy management system cannot accurately adjust when responding to changes in the space environment. Summary of the invention

[0008] The present invention solves the problem of inaccurate adjustment of the small satellite energy management system in response to changes in the space environment in the prior art by providing a small satellite energy management system and method, thereby achieving the effect of improving the adjustment accuracy of the small satellite energy management system in response to changes in the space environment.

[0009] The present invention provides a small satellite energy management system, including a small satellite energy mechanical self-check module, a small satellite energy management temperature adaptation adjustment module, a small satellite energy first evaluation module, a small satellite energy first management module, a small satellite energy second evaluation module and a small satellite energy second management module; wherein the small satellite energy mechanical self-check module is used to perform a predefined mechanical check on a small satellite energy collection device and adjust it according to the predefined mechanical check result; the small satellite energy management temperature adaptation adjustment module is used to perform a predefined temperature check on the temperature of the small satellite and adjust it according to the predefined temperature check result; the small satellite energy first evaluation module is used to The first evaluation area of ​​the collection device is analyzed to obtain a first analysis factor of the small satellite energy; the first small satellite energy management module is used to perform a first comparative analysis on the first analysis factor of the small satellite energy, and perform a first management of the small satellite energy according to the result of the first comparative analysis of the small satellite energy; the second small satellite energy evaluation module is used to analyze the first evaluation area of ​​the small satellite energy collection device to obtain a second analysis factor of the small satellite energy, and perform a comprehensive analysis to obtain a comprehensive analysis factor of the small satellite energy; the second small satellite energy management module is used to perform a second comparative analysis on the comprehensive analysis factor of the small satellite energy, and perform a second management of the small satellite energy according to the result of the second comparative analysis of the small satellite energy.

[0010] Furthermore, the adjustment is performed according to the predefined mechanical inspection result, and the specific process is: through the inclination sensor detection, the deflection angle and folding angle of the small satellite energy collection device are obtained; if the difference between the deflection angle of the small satellite energy collection device and the predefined deflection angle is within the predefined deflection angle error, no adjustment is made; otherwise, the deflection angle of the small satellite energy collection device is adjusted until the difference between the deflection angle of the small satellite energy collection device and the predefined deflection angle is within the predefined deflection angle error; if the difference between the folding angle of the small satellite energy collection device and the predefined folding angle is within the predefined folding angle error, no adjustment is made; otherwise, the folding angle of the small satellite energy collection device is adjusted until the difference between the folding angle of the small satellite energy collection device and the predefined folding angle is within the predefined folding angle error.

[0011] Furthermore, the adjustment is performed according to the predefined temperature check result, specifically including: acquiring the ambient temperature of the small satellite energy collection device through the temperature sensor built into the small satellite; if the ambient temperature of the small satellite energy collection device is greater than the lower limit threshold of the ambient temperature of the small satellite energy collection device and less than the upper limit threshold of the ambient temperature of the small satellite energy collection device, no adjustment is made; if the ambient temperature of the small satellite energy collection device is greater than or equal to the upper limit threshold of the ambient temperature of the small satellite energy collection device, a sunshade device is started to cover the small satellite energy collection device, and the heat of the small satellite energy collection device is dissipated through a heat dissipation device, and the output voltage of the small satellite energy collection device is reduced until the output voltage lower limit threshold is reached; if the ambient temperature of the small satellite energy collection device is less than or equal to the lower limit threshold of the ambient temperature of the small satellite energy collection device, the heat of the small satellite energy collection device is increased through a heating device, the output power of the small satellite energy collection device is increased until the output power upper limit threshold is reached, and the output current of the small satellite energy collection device is limited to below the output current threshold.

[0012] Furthermore, the adjustment according to the predefined temperature check result also includes: dividing the small satellite energy collection equipment into regions to obtain different small satellite energy collection equipment regions; collecting power parameters of different small satellite energy collection equipment regions through the power collection equipment built into the small satellite energy collection equipment; if the power parameters of the small satellite energy collection equipment regions are all greater than the respective small satellite power parameter lower limit thresholds and less than the respective small satellite power parameter upper limit thresholds, no adjustment is made, and the corresponding small satellite energy collection equipment region is recorded as the first evaluation region of the small satellite energy collection equipment; if any power parameter of the small satellite energy collection equipment region is greater than or equal to the small satellite power parameter upper limit threshold or any power parameter of the small satellite energy collection equipment region is less than or equal to the small satellite power parameter lower limit threshold, the corresponding small satellite energy collection equipment region is recorded as a faulty energy collection equipment region; and closing the energy circuit loop of the faulty energy collection equipment region through the built-in circuit switch.

[0013] Furthermore, the first analysis factor of the small satellite energy is obtained by: collecting the output power parameters, output current parameters and output voltage parameters of the first evaluation area of ​​the small satellite energy collection device through the built-in small satellite energy management hardware unit through the small satellite predefined management software; obtaining the ambient temperature of the first evaluation area of ​​the small satellite energy collection device through the temperature sensor; and obtaining the first analysis factor of the small satellite energy of the first evaluation area of ​​the small satellite energy collection device through comprehensive analysis.

[0014] Furthermore, the first management of small satellite energy is performed according to the first comparative analysis result of small satellite energy, and the specific process is: if the first analysis factor of the small satellite energy in the first evaluation area of ​​the small satellite energy collection device is greater than or equal to the first threshold value of the corresponding small satellite energy collection device, it is not adjusted, and the first analysis factor of the small satellite energy in the first evaluation area of ​​the small satellite energy collection device is sent to the ground interaction center at every predefined sending time; if the first analysis factor of the small satellite energy in the first evaluation area of ​​the small satellite energy collection device is less than the first threshold value of the corresponding small satellite energy collection device, the energy circuit loop of the faulty energy collection device area in the corresponding first evaluation area of ​​the small satellite energy collection device is closed through the built-in circuit switch, the energy storage device is started to supply energy and the circuit parameter self-check is started, and the circuit parameter self-check result is sent to the ground interaction center; if the small satellite receives the solar activity warning sent by the ground interaction center, the small satellite backup energy device is started, the small satellite communication power is increased to the predefined communication power threshold, the output circuit of the small satellite energy collection device is switched to the built-in anti-radiation filter circuit loop, and the deflection angle and folding angle of the small satellite energy collection device are adjusted to the predefined deflection angle and the predefined folding angle through the attitude control software.

[0015] Furthermore, the obtaining of the second analysis factor of the small satellite energy specifically includes: obtaining the output power parameter of the first evaluation area of ​​the small satellite energy collection device, the communication response time parameter of the small satellite energy collection device and the communication signal parameter through the built-in small satellite energy management hardware unit through the small satellite predefined management software; obtaining the communication signal-to-noise ratio parameter of the first evaluation area of ​​the small satellite energy collection device through the predefined software; and obtaining the second analysis factor of the small satellite energy of the first evaluation area of ​​the small satellite energy collection device through comprehensive analysis.

[0016] Furthermore, the comprehensive analysis obtains the small satellite energy comprehensive analysis factor, and the specific process is: the first evaluation area of ​​the small satellite energy collection device is numbered in sequence, Indicates the number of the first evaluation area of ​​the small satellite energy collection device, Indicates the total number of numbers for the first evaluation area of ​​the small satellite energy collection device, ; Divide the small satellite energy collection equipment detection time into different small satellite energy collection equipment detection time periods, and number the small satellite energy collection equipment detection time periods in sequence, Indicates the number of the small satellite energy collection equipment detection time period, Indicates the total number of detection time periods for small satellite energy collection equipment. ; Indicates Comprehensive analysis factors of small satellite energy in the first evaluation area of ​​small satellite energy collection equipment; ; Indicates Small satellite energy harvesting device first evaluation area The first analysis factor of the small satellite energy during the detection period of the small satellite energy collection device; Indicates Small satellite energy harvesting device first evaluation area The second analysis factor of the small satellite energy during the detection period of the small satellite energy collection device; Represents a natural constant.

[0017] Furthermore, the second management of small satellite energy is performed according to the second comparative analysis result of small satellite energy, and the specific process is: if the small satellite energy comprehensive analysis factor of the first evaluation area of ​​the small satellite energy collection device is greater than the small satellite energy comprehensive analysis threshold, no adjustment is made; if the small satellite energy comprehensive analysis factor of the first evaluation area of ​​the small satellite energy collection device is less than or equal to the small satellite energy comprehensive analysis threshold, the ambient fluctuation temperature of the first evaluation area of ​​the small satellite energy collection device is compared with the ambient temperature fluctuation threshold; if the ambient fluctuation temperature of the first evaluation area of ​​the small satellite energy collection device is less than the ambient temperature fluctuation threshold, no adjustment is made; if the ambient fluctuation temperature of the first evaluation area of ​​the small satellite energy collection device is equal to or greater than the ambient temperature fluctuation threshold, a predefined temperature compensation circuit is called.

[0018] The present invention provides a small satellite energy management method, comprising: performing a predefined mechanical inspection on a small satellite energy collection device, and adjusting according to the predefined mechanical inspection result; performing a predefined temperature inspection on the temperature of the small satellite, and adjusting according to the predefined temperature inspection result; analyzing a first evaluation area of ​​the small satellite energy collection device to obtain a first analysis factor of the small satellite energy; performing a first comparative analysis on the first analysis factor of the small satellite energy, and performing a first small satellite energy management according to the first comparative analysis result of the small satellite energy; analyzing the first evaluation area of ​​the small satellite energy collection device to obtain a second analysis factor of the small satellite energy, and performing a comprehensive analysis to obtain a comprehensive analysis factor of the small satellite energy; performing a second comparative analysis on the comprehensive analysis factor of the small satellite energy, and performing a second small satellite energy management according to the second comparative analysis result of the small satellite energy.

[0019] Compared with the prior art, the present invention has at least the following technical effects or advantages:

[0020] 1. The present invention improves the accuracy of adjustment of the small satellite energy management system in response to changes in the space environment by adjusting according to predefined mechanical inspection results; adjusting according to predefined temperature inspection results; performing first small satellite energy management according to a first small satellite energy comparison and analysis result; and performing second small satellite energy management according to a second small satellite energy comparison and analysis result, thereby solving the problem of inaccurate adjustment of the small satellite energy management system in response to changes in the space environment in the prior art.

[0021] 2. Through the analysis and adjustment of the small satellite energy mechanical self-test module and the small satellite energy management temperature adaptation adjustment module, the inclination and temperature of the solar panels are precisely controlled to maximize the solar energy reception rate and improve energy utilization efficiency. Through regional division and fault detection, the fault area is isolated in time to prevent the fault from spreading, thereby ensuring the normal operation of other areas and improving the reliability of the small satellite energy management system.

[0022] 3. Through the analysis and adjustment of the first small satellite energy management module and the second small satellite energy management module, hierarchical analysis is adopted to adjust the application software control strategy according to the rapid changes in environmental factors such as the short orbital period of the satellite and the rapid changes in sunlight, thereby achieving the adaptability of control management. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of a small satellite energy management system provided by an embodiment of the present invention;

[0024] Figure 2 A schematic diagram of a flow chart of a small satellite energy management method provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0025] The embodiments of the present invention provide a small satellite energy management system and method, thereby solving the problem of inaccurate adjustment of the small satellite energy management system in the prior art when responding to changes in the space environment, and improving the adjustment accuracy of the small satellite energy management system when responding to changes in the space environment.

[0026] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] like Figure 1As shown in the figure, it is a structural schematic diagram of a small satellite energy management system provided by an embodiment of the present invention. The small satellite energy management system provided by an embodiment of the present invention includes: a small satellite energy mechanical self-check module, a small satellite energy management temperature adaptation adjustment module, a small satellite energy first evaluation module, a small satellite energy first management module, a small satellite energy second evaluation module and a small satellite energy second management module; wherein the small satellite energy mechanical self-check module is used to perform a predefined mechanical check on the small satellite energy collection device and adjust it according to the predefined mechanical check result; the small satellite energy management temperature adaptation adjustment module is used to perform a predefined temperature check on the small satellite temperature and adjust it according to the predefined temperature check result; the small satellite energy The first source evaluation module is used to analyze the first evaluation area of ​​the small satellite energy collection device to obtain the first analysis factor of the small satellite energy; the first small satellite energy management module is used to perform a first comparative analysis on the first analysis factor of the small satellite energy, and perform a first management of the small satellite energy according to the result of the first comparative analysis of the small satellite energy; the second small satellite energy evaluation module is used to analyze the first evaluation area of ​​the small satellite energy collection device to obtain the second analysis factor of the small satellite energy, and perform a comprehensive analysis to obtain the comprehensive analysis factor of the small satellite energy; the second small satellite energy management module is used to perform a second comparative analysis on the comprehensive analysis factor of the small satellite energy, and perform a second management of the small satellite energy according to the result of the second comparative analysis of the small satellite energy.

[0028] Furthermore, adjustment is performed according to the predefined mechanical inspection result, and the specific process is: through the inclination sensor detection, the deflection angle and folding angle of the small satellite energy collection device are obtained; if the difference between the deflection angle of the small satellite energy collection device and the predefined deflection angle is within the predefined deflection angle error, no adjustment is made; otherwise, the deflection angle of the small satellite energy collection device is adjusted until the difference between the deflection angle of the small satellite energy collection device and the predefined deflection angle is within the predefined deflection angle error; if the difference between the folding angle of the small satellite energy collection device and the predefined folding angle is within the predefined folding angle error, no adjustment is made; otherwise, the folding angle of the small satellite energy collection device is adjusted until the difference between the folding angle of the small satellite energy collection device and the predefined folding angle is within the predefined folding angle error.

[0029] In this embodiment, the tilt sensor can measure the angle data of the solar panel. By comparing this data with the angle information of the sun, the optimal tilt angle of the panel can be determined, thereby optimizing the reception rate of solar energy.

[0030] The process of measuring the angle data of the solar panel by the tilt sensor and comparing it with the angle information of the sun to determine the optimal tilt angle of the panel usually includes the following steps:

[0031] Tilt sensor: Installed on the solar panel, it is used to measure the tilt angle of the panel in real time, including the azimuth (rotation angle in the horizontal plane) and the tilt angle (angle with the horizontal plane).

[0032] The sun position sensor is used to calculate or measure the sun's azimuth and altitude (the angle between the sun's rays and the horizon) at the current moment.

[0033] The angle data of the solar panel measured by the tilt sensor is compared with the calculated or measured sun angle data. The comparison includes azimuth and tilt angle to determine whether the current angle of the solar panel is optimally aligned with the direction of the sun's rays.

[0034] If the comparison result shows that there is a deviation between the angle of the solar panel and the direction of the sunlight, the control system will adjust the angle of the solar panel. The purpose of the adjustment is to make the surface of the solar panel as perpendicular to the sunlight as possible to maximize the solar energy reception rate.

[0035] Use optimization algorithms (such as tracking algorithms) to predict and adjust the angle of the panels based on the movement of the sun.

[0036] Small satellite energy collection equipment is generally a solar panel for satellites, which may encounter mechanical failures during the deployment process. For example, shortly after the launch of the Lucy probe, a solar panel for the satellite failed to fully deploy. This situation may be caused by a mechanical structure failure or a control system error. Similarly, the solar panel for the satellite may fail when rotating. Therefore, it is necessary to adjust it through predefined mechanical checks.

[0037] Furthermore, adjustment is made according to the predefined temperature check result, specifically including: acquiring the ambient temperature of the small satellite energy collection device through the temperature sensor built into the small satellite; if the ambient temperature of the small satellite energy collection device is greater than the lower limit threshold of the ambient temperature of the small satellite energy collection device and less than the upper limit threshold of the ambient temperature of the small satellite energy collection device, no adjustment is made; if the ambient temperature of the small satellite energy collection device is greater than or equal to the upper limit threshold of the ambient temperature of the small satellite energy collection device, a sunshade device is started to cover the small satellite energy collection device, and the heat of the small satellite energy collection device is dissipated through a heat dissipation device, and the output voltage of the small satellite energy collection device is reduced until the output voltage lower limit threshold is reached; if the ambient temperature of the small satellite energy collection device is less than or equal to the lower limit threshold of the ambient temperature of the small satellite energy collection device, the heat of the small satellite energy collection device is increased through a heating device, and the output power of the small satellite energy collection device is increased until the output power upper limit threshold is reached, while limiting the output current of the small satellite energy collection device to below the output current threshold.

[0038] In this embodiment, the process of measuring the ambient temperature of the device built into the small satellite generally involves the following key steps: The temperature sensor generally works based on the principle of thermistor, thermocouple, semiconductor temperature sensor (such as TMP36) or infrared sensor. These sensors are able to convert temperature changes into electrical signals (such as voltage or resistance changes) so that they can be read by electronic devices. The temperature sensor is placed in a predefined circuit loop position of the small satellite energy collection device to ensure that the ambient temperature can be accurately measured. For example, the resistance value of thermistor decreases as the temperature increases, while the thermocouple generates a voltage proportional to the temperature difference. The electrical signal is transmitted to the signal processing unit of the small satellite through the built-in loop. The signal processing unit may include circuits such as amplifiers and filters to enhance the signal and remove noise. The signal processing unit converts the electrical signal into a digital signal for easy reading by a microprocessor or computer system. This is achieved through an analog-to-digital converter (ADC).

[0039] When a small satellite is in a low or high temperature environment, its power management system needs to take specific measures to ensure the normal operation of satellite equipment and extend its service life.

[0040] The sunshade device includes a satellite sunshade or a satellite sunshade cover.

[0041] The heat dissipation equipment includes a radiant radiator, which uses the radiant radiator to discharge the excess heat into space.

[0042] In a high temperature environment, the output voltage of the battery may increase. The power management system reduces the output voltage to prevent the device from overheating and to prevent excessive current caused by the reduction of the battery's internal resistance due to high temperature. Current limit protection is set.

[0043] Use a sunshade or sunshield to reduce heating of the satellite surface by direct sunlight.

[0044] Use electric heaters to heat key components to keep their operating temperature within an appropriate range.

[0045] In low temperature environment, the output voltage of the battery may drop, and the power management system increases the output voltage to compensate for this change. If it is constant power output, a larger output current may be output to achieve constant power output, which may cause excessive current caused by low temperature, so current limit protection needs to be set.

[0046] Furthermore, the adjustment is performed according to the predefined temperature check result, and also includes: dividing the small satellite energy collection device into regions to obtain different small satellite energy collection device regions; collecting power parameters of different small satellite energy collection device regions through the built-in power collection device of the small satellite energy collection device; if the power parameters of the small satellite energy collection device regions are all greater than the respective small satellite power parameter lower limit thresholds and less than the respective small satellite power parameter upper limit thresholds, no adjustment is made, and the corresponding small satellite energy collection device region is recorded as the first evaluation region of the small satellite energy collection device; if any power parameter of the small satellite energy collection device region is greater than or equal to the small satellite power parameter upper limit threshold or any power parameter of the small satellite energy collection device region is less than or equal to the small satellite power parameter lower limit threshold, the corresponding small satellite energy collection device region is recorded as a faulty energy collection device region; and closing the energy circuit loop of the faulty energy collection device region through the built-in circuit switch.

[0047] In this embodiment, the power parameters include input current, input voltage, output current and output voltage.

[0048] The lower limit threshold of the small satellite power parameter includes the lower limit threshold of the output current of the small satellite energy collection device, the lower limit threshold of the output voltage of the small satellite energy collection device, the lower limit threshold of the input current of the small satellite energy collection device, and the lower limit threshold of the input voltage of the small satellite energy collection device. The upper limit threshold of the small satellite power parameter includes the upper limit threshold of the output current of the small satellite energy collection device, the upper limit threshold of the output voltage of the small satellite energy collection device, the upper limit threshold of the input current of the small satellite energy collection device, and the upper limit threshold of the input voltage of the small satellite energy collection device.

[0049] The following are the sample steps for closing the energy circuit loop of the faulty energy harvesting device area through the built-in circuit switch: Identify the detected faulty energy harvesting device area for subsequent processing. After confirming the faulty area, prepare to switch the circuit to isolate the faulty area. The power management system sends a control instruction to the corresponding circuit switch. After receiving the control instruction, the circuit switch executes an action to disconnect the circuit loop of the faulty energy harvesting device area. Monitor the status of the circuit switch to ensure that the faulty area has been successfully isolated. Re-evaluate the power parameters of the remaining normal areas to ensure the overall power supply is stable. Record the information of the faulty area, the time of occurrence, the power parameters, etc. Report the fault information to the ground control center.

[0050] Furthermore, the first analysis factor of small satellite energy is obtained. The specific process is: the output power parameter, output current parameter and output voltage parameter of the first evaluation area of ​​the small satellite energy collection device are collected through the built-in small satellite energy management hardware unit through the small satellite predefined management software; the ambient temperature of the first evaluation area of ​​the small satellite energy collection device is obtained through the temperature sensor; and the first analysis factor of the small satellite energy of the first evaluation area of ​​the small satellite energy collection device is obtained through comprehensive analysis.

[0051] In this embodiment, the small satellite energy management hardware unit is responsible for intelligent information collection and control management. These units are usually designed based on commercial system-on-chip (SoC) to improve system functional density and reduce power consumption. In order to meet the needs of miniaturized systems, highly integrated energy harvesting ICs and wireless MCUs are used. These ICs are manufactured by multiple semiconductor manufacturers, such as Atmel, CSR, Freescale Semiconductor, etc.

[0052] Although the specific software information of the predefined management software for small satellites failed to be obtained, usually this type of software will include data acquisition systems such as Dewesoft X, which is used to collect and process the information of various devices on the satellite, such as telemetry management software, which is responsible for processing and transmitting the collected engineering parameters.

[0053] Number the first evaluation area of ​​the small satellite energy collection equipment in sequence. Indicates the number of the first evaluation area of ​​the small satellite energy collection device, Indicates the total number of numbers for the first evaluation area of ​​the small satellite energy collection device, .

[0054] The small satellite energy collection device detection time is divided into different small satellite energy collection device detection time periods, and the small satellite energy collection device detection time periods are numbered in sequence. Indicates the number of the small satellite energy collection equipment detection time period, Indicates the total number of detection time periods for small satellite energy collection equipment. .

[0055] Indicates Small satellite energy harvesting device first evaluation area The first analysis factor of the small satellite energy during the detection period of the small satellite energy collection device is used to quantify the relative degree value of the small satellite energy output quality.

[0056] ;

[0057] represents a natural constant;

[0058] Indicates Small satellite energy harvesting device first evaluation area The maximum output power of each small satellite energy collection device during the detection period;

[0059] Indicates Small satellite energy harvesting device first evaluation area The maximum power point of each small satellite energy collection device during the detection period;

[0060] Indicates Small satellite energy harvesting device first evaluation area The maximum output current of each small satellite energy collection device during the detection period;

[0061] Indicates Small satellite energy harvesting device first evaluation area Short-circuit current during the detection period of a small satellite energy collection device;

[0062] Indicates Small satellite energy harvesting device first evaluation area The maximum output voltage of each small satellite energy collection device during the detection period;

[0063] Indicates Small satellite energy harvesting device first evaluation area The open circuit voltage of a small satellite energy collection device during the detection period;

[0064] Indicates Small satellite energy harvesting device first evaluation area The ambient light intensity during the detection period of each small satellite energy collection device;

[0065] Indicates Small satellite energy harvesting device first evaluation area The standard value of ambient light intensity during the detection period of a small satellite energy collection device.

[0066] The deflection angle and folding angle of the small satellite energy collection device are detected by the inclination sensor. If the difference between the deflection angle and the predefined deflection angle is within the predefined error range, no adjustment is made; otherwise, the deflection angle is adjusted until it reaches the error range.

[0067] The ambient temperature is collected through the temperature sensor built into the small satellite. If the temperature is higher than the upper threshold, the sunshade device is activated and the heat dissipation device is used to reduce the temperature, while reducing the output voltage. If the temperature is lower than the lower threshold, the heating device is used to increase the temperature, while increasing the output power and limiting the output current.

[0068] The maximum power point refers to the maximum power that a solar cell can output under specific operating conditions (such as light intensity, temperature, etc.). This point is usually located at the peak of the current-voltage (IV) curve. It is an important parameter for evaluating the performance of solar cells and represents the maximum energy conversion efficiency of the cell under optimal operating conditions.

[0069] Short-circuit current refers to the current value when the output end of a solar cell is short-circuited under illumination conditions. At this time, the voltage of the solar cell is close to zero, but the current reaches its maximum. Short-circuit current is an important indicator for measuring the current output capacity of a solar cell. The larger the short-circuit current value, the greater the current that the solar cell can provide under the same illumination conditions, which is of great significance for improving the overall output power of the solar cell.

[0070] Open circuit voltage refers to the voltage value of a solar cell when there is no load under illumination conditions. At this time, the current of the solar cell is zero, but the voltage reaches the maximum. Open circuit voltage is an important parameter to measure the performance of solar cells. It reflects the maximum voltage level that a solar cell can output under illumination conditions. The higher the open circuit voltage value, the greater the voltage that the solar cell can provide under the same illumination conditions, which is beneficial to improving the energy conversion efficiency of the battery.

[0071] It indicates the weight factor of the maximum output power for the first analysis factor of the small satellite energy, and it indicates the degree of influence of the maximum output power on the correction of the first analysis factor of the small satellite energy.

[0072] It indicates the weight factor of the maximum output current for the first analysis factor of the small satellite energy, and it indicates the degree of influence of the correction of the maximum output current on the first analysis factor of the small satellite energy.

[0073] It indicates the weight factor of the maximum output voltage for the first analysis factor of the small satellite energy, and it indicates the degree of influence of the maximum output voltage on the correction of the first analysis factor of the small satellite energy.

[0074] The weight factor of the maximum output power for the first analysis factor of the small satellite energy, the weight factor of the maximum output current for the first analysis factor of the small satellite energy, and the weight factor of the maximum output voltage for the first analysis factor of the small satellite energy are directly obtained from the small satellite energy collection device database through a pre-set mapping relationship.

[0075] For example, a mapping set of the real-time ambient temperature and its corresponding maximum output power value for the weight factor of the first analysis factor of the small satellite energy, the maximum output current value for the weight factor of the first analysis factor of the small satellite energy, and the maximum output voltage value for the weight factor of the first analysis factor of the small satellite energy is constructed, and the real-time ambient temperature is input into the mapping set to obtain the corresponding maximum output power value for the first analysis factor of the small satellite energy, the maximum output current value for the first analysis factor of the small satellite energy, and the maximum output voltage value for the first analysis factor of the small satellite energy, wherein the mapping relationship is a one-to-one correspondence or a many-to-one relationship.

[0076] The maximum power point is the optimal operating point of a solar cell under specific conditions, and its position is affected by factors such as light intensity and temperature.

[0077] Short-circuit current and open-circuit voltage are the limiting operating points of satellite solar cells, representing the maximum possible values ​​of current and voltage, respectively.

[0078] An increase in short-circuit current generally means that the battery can provide more current under the same light conditions, thereby potentially increasing the maximum power point.

[0079] The increase in open circuit voltage means that the battery can provide a higher voltage, which is also beneficial to improve the optimal operating point.

[0080] The change of output power is directly affected by the output current and output voltage:

[0081] When the output voltage remains constant, the output power is proportional to the output current, that is, an increase in the output current will lead to an increase in the output power, and vice versa.

[0082] When the output current remains constant, the output power is proportional to the output voltage, that is, an increase in the output voltage will lead to an increase in the output power, and vice versa.

[0083] The relationship between output current and output voltage can be described by the IV characteristic curve of a solar cell. Under specific operating conditions (such as light intensity and temperature), the IV curve of a solar cell will show the following characteristics:

[0084] An increase in light intensity typically causes an increase in the output current and output voltage of a solar cell, shifting the maximum power point toward higher powers.

[0085] The evaluation of small satellite energy collection equipment involves multiple interrelated parameters. The maximum values ​​of output power, current and voltage are not only related to each other, but also connected to the energy analysis factor through weight factors. Real-time environmental factors such as temperature further adjust the influence of these parameters through mapping relationships. It is a dynamic and interactive complex system that requires comprehensive consideration of various factors for accurate evaluation.

[0086] Furthermore, the first energy management of the small satellite is performed according to the first comparative analysis result of the small satellite energy, and the specific process is: if the first analysis factor of the small satellite energy in the first evaluation area of ​​the small satellite energy collection device is greater than or equal to the first threshold value of the corresponding small satellite energy collection device, it is not adjusted, and the first analysis factor of the small satellite energy in the first evaluation area of ​​the small satellite energy collection device is sent to the ground interaction center at every predefined sending time; if the first analysis factor of the small satellite energy in the first evaluation area of ​​the small satellite energy collection device is less than the first threshold value of the corresponding small satellite energy collection device, the energy circuit loop of the faulty energy collection device area in the corresponding first evaluation area of ​​the small satellite energy collection device is closed through the built-in circuit switch, the energy storage device is started to supply energy and the circuit parameter self-check is started, and the circuit parameter self-check result is sent to the ground interaction center; if the small satellite receives the solar activity warning sent by the ground interaction center, the small satellite backup energy device is started, the small satellite communication power is increased to the predefined communication power threshold, the output circuit of the small satellite energy collection device is switched to the built-in anti-radiation filter circuit loop, and the deflection angle and folding angle of the small satellite energy collection device are adjusted to the predefined deflection angle and the predefined folding angle through the attitude control software.

[0087] In this embodiment, for the solar panels of a small satellite in low earth orbit, the above optimization steps are reasonable to a certain extent, but the particularity of the low earth orbit environment and the limitations of the small satellite need to be considered. The following is a rationality analysis of each step.

[0088] In low-Earth orbit, the satellite's orbital period is short and the sunlight changes rapidly. By adjusting the angle of the solar panels, the efficiency of light reception can be significantly improved. However, it is necessary to consider the complexity and weight of the rotating mechanism, as well as the impact of frequent adjustments on the satellite's attitude control.

[0089] Circuit switching is an effective energy management strategy to optimize the output of solar panels. In low-Earth orbit, where light conditions change rapidly, this flexibility is particularly important.

[0090] Solar energy is the main energy source, but in certain situations it is necessary to activate auxiliary energy systems.

[0091] In this embodiment, the radiation-hardened electronic components are already mature technologies and are easy to integrate into satellite design. These components are designed for space environments, have high radiation resistance, and reduce the risk of failure. During the design phase, the built-in radiation-hardened filter circuit loop is used to switch the circuit in special circumstances to improve the anti-interference ability, but it does not need to be switched at ordinary times because the radiation-hardened filter circuit loop has more inductance and capacitance, and generally consumes more energy.

[0092] Starting the backup energy equipment of small satellites is a redundant design, which is a common practice in aerospace engineering and can be planned in the design stage. The redundant system provides backup and significantly improves the reliability of the overall system.

[0093] Adjust the attitude control software so that the satellite adopts the optimal attitude during solar activity and reduces the impact of radiation.

[0094] Use a more powerful signal amplifier or adjust the communication frequency to reduce the impact of plasma on communication.

[0095] Furthermore, a second analysis factor of small satellite energy is obtained, specifically including: collecting through the built-in small satellite energy management hardware unit through the small satellite predefined management software to obtain the output power parameters of the first evaluation area of ​​the small satellite energy collection device, the communication response time parameters of the small satellite energy collection device and the communication signal parameters; analyzing the communication signal parameters through the predefined software to obtain the communication signal-to-noise ratio parameters of the first evaluation area of ​​the small satellite energy collection device; and comprehensively analyzing to obtain the second analysis factor of the small satellite energy in the first evaluation area of ​​the small satellite energy collection device.

[0096] In this embodiment, predefined software, such as MATLAB, is used to analyze and obtain parameters including communication signal-to-noise ratio. The tool quickly evaluates communication performance through efficient algorithms and graphics.

[0097] Number the first evaluation area of ​​the small satellite energy collection equipment in sequence. Indicates the number of the first evaluation area of ​​the small satellite energy collection device, Indicates the total number of numbers for the first evaluation area of ​​the small satellite energy collection device, .

[0098] The small satellite energy collection device detection time is divided into different small satellite energy collection device detection time periods, and the small satellite energy collection device detection time periods are numbered in sequence. Indicates the number of the small satellite energy collection equipment detection time period, Indicates the total number of detection time periods for small satellite energy collection equipment. .

[0099] Indicates Small satellite energy harvesting device first evaluation area The second analysis factor of the small satellite energy is used to represent the relative level of energy management quality.

[0100] ;

[0101] represents a natural constant;

[0102] Indicates Small satellite energy harvesting device first evaluation area The maximum output power of each small satellite energy collection device during the detection period;

[0103] Indicates Small satellite energy harvesting device first evaluation area The minimum output power of each small satellite energy collection device during the detection period;

[0104] Indicates Small satellite energy harvesting device first evaluation area The maximum power point of each small satellite energy collection device during the detection period;

[0105] Indicates Small satellite energy harvesting device first evaluation area The communication response time of the small satellite energy collection device in the detection time period of the small satellite energy collection device. This refers to the time required for the small satellite energy collection device to respond and complete the communication after receiving the communication request within the above-mentioned specific device, specific evaluation area and specific detection time period. The embedded timer in the small satellite energy collection device starts timing from sending the request and stops timing after receiving the response, thereby measuring the response time, which is collected by the embedded timer;

[0106] Indicates A standard value of a communication response time of a small satellite energy collection device in a first evaluation area of ​​a small satellite energy collection device, wherein the standard value of the communication response time of the small satellite energy collection device is directly extracted from a small satellite energy collection device database;

[0107] Indicates The temperature coefficient of the first evaluation area of ​​the small satellite energy collection device has a value range of (0, 1). The temperature coefficient represents the percentage of power change caused by each degree Celsius change. The temperature coefficient is directly extracted from the small satellite energy collection device database;

[0108] Indicates Small satellite energy harvesting device first evaluation area The maximum value of the communication signal-to-noise ratio during the detection period of the small satellite energy collection device;

[0109] Indicates Small satellite energy harvesting device first evaluation area The minimum value of the communication signal-to-noise ratio during the detection period of the small satellite energy collection device;

[0110] Indicates Small satellite energy harvesting device first evaluation area The communication signal-to-noise ratio standard value during the detection period of the small satellite energy collection device is directly extracted from the small satellite energy collection device database.

[0111] The signal-to-noise ratio indicates the ratio between useful signal and noise. The higher the signal-to-noise ratio, the stronger the anti-interference ability.

[0112] In the outer space environment of small satellites, the correlation between the above parameters is mainly reflected in the following aspects:

[0113] The stability of output power directly affects the power supply quality of communication equipment, thereby affecting the communication response time. If the output power fluctuates greatly, it may cause the communication equipment to work unstably and increase the response time.

[0114] Variations in output power may affect the performance of communications equipment, which in turn affects the signal-to-noise ratio. Higher output power can provide a more stable signal, helping to improve the signal-to-noise ratio.

[0115] A higher communication signal-to-noise ratio indicates better signal quality and stronger anti-interference capability, which usually results in a shorter communication response time. Conversely, a low noise ratio may cause signal interference and increase response time.

[0116] The temperature coefficient indicates the percentage change in power per degree Celsius change. In outer space, where temperature fluctuations may be large, the temperature coefficient directly affects the stability of the output power. A higher temperature coefficient means that the output power is more sensitive to temperature changes.

[0117] Temperature changes not only affect output power, but may also affect the operating state of communication equipment, thereby affecting the signal-to-noise ratio. Devices with large temperature coefficients may experience greater changes in signal-to-noise ratio when the temperature fluctuates.

[0118] The communication signal-to-noise ratio standard value is a preset reference value, and the actual value is compared with it to evaluate the performance of the communication system. If the actual value is lower than the standard value, it may indicate interference or equipment failure.

[0119] The communication response time standard value is a preset expected response time, and the actual value is compared with it to evaluate the efficiency of the communication system. If the actual value is higher than the standard value, it may indicate system delay or insufficient processing capacity.

[0120] The maximum power point is the optimal operating point of a solar cell under certain conditions. Tracking the maximum power point ensures that the output power is maximized, thereby improving the quality of energy management.

[0121] In the outer space environment of small satellites, the correlation between these parameters is mainly reflected in three aspects: energy management, communication performance and temperature influence. The stability of output power affects the performance of communication equipment, which in turn affects the communication response time and signal-to-noise ratio. As part of the environmental factors, the temperature coefficient affects the output power and the communication signal-to-noise ratio. The comparison between the standard value and the actual value of the communication signal-to-noise ratio and the communication response time is used to evaluate the performance and efficiency of the communication system. The tracking of the maximum power point ensures the optimization of energy management. The interaction between these parameters requires a comprehensive analysis to optimize the energy management and communication performance of small satellites.

[0122] Furthermore, the comprehensive analysis is performed to obtain the comprehensive analysis factor of the small satellite energy. The specific process is as follows: the first evaluation area of ​​the small satellite energy collection device is numbered in sequence. Indicates the number of the first evaluation area of ​​the small satellite energy collection device, The total number of numbers representing the first evaluation area of ​​the small satellite energy collection device. ; Divide the small satellite energy collection equipment detection time into different small satellite energy collection equipment detection time periods, and number the small satellite energy collection equipment detection time periods in sequence, Indicates the number of the small satellite energy collection equipment detection time period, Indicates the total number of detection time periods for small satellite energy collection equipment. ; Indicates Comprehensive analysis factors of small satellite energy in the first evaluation area of ​​small satellite energy collection equipment; ; Indicates Small satellite energy harvesting device first evaluation area The first analysis factor of the small satellite energy during the detection period of the small satellite energy collection device; Indicates Small satellite energy harvesting device first evaluation area The second analysis factor of the small satellite energy during the detection period of the small satellite energy collection device; Represents a natural constant.

[0123] In this embodiment, the small satellite energy comprehensive analysis factor is used to represent the comprehensive degree value of the small satellite energy management quality.

[0124] Changes in output power parameters directly affect the small satellite energy comprehensive analysis factors, as they are the basis for evaluating the quality of energy management. Higher output power generally means more efficient energy management.

[0125] The length of communication response time affects the comprehensive energy analysis factor of small satellites because it is related to the communication efficiency and reliability of the equipment. Shorter response time usually means better communication performance.

[0126] The signal-to-noise ratio directly affects the comprehensive energy analysis factor of small satellites, as it is a key parameter for evaluating the stability and performance of communication systems. A higher signal-to-noise ratio generally means stronger anti-interference capabilities and more stable communications.

[0127] The size of the temperature coefficient affects the comprehensive analysis factor of small satellite energy because it is related to the performance stability of the device under different temperature conditions. A smaller temperature coefficient usually means that the device is less sensitive to temperature changes and has more stable performance.

[0128] Changes in ambient light intensity affect the small satellite energy factor because it determines the total amount of solar energy the device can receive. Higher light intensity generally means greater output power potential.

[0129] The interaction and influence of each parameter are comprehensively analyzed to obtain the small satellite energy comprehensive analysis factor. This factor provides a comprehensive perspective to evaluate the energy management quality of small satellites, taking into account the comprehensive influence of multiple aspects such as energy conversion efficiency, communication performance, environmental factors and equipment adjustment.

[0130] Furthermore, the second small satellite energy management is performed according to the second comparative analysis result of the small satellite energy. The specific process is: if the small satellite energy comprehensive analysis factor of the first evaluation area of ​​the small satellite energy collection device is greater than the small satellite energy comprehensive analysis threshold, no adjustment is made; if the small satellite energy comprehensive analysis factor of the first evaluation area of ​​the small satellite energy collection device is less than or equal to the small satellite energy comprehensive analysis threshold, the ambient fluctuation temperature of the first evaluation area of ​​the small satellite energy collection device is compared with the ambient temperature fluctuation threshold; if the ambient fluctuation temperature of the first evaluation area of ​​the small satellite energy collection device is less than the ambient temperature fluctuation threshold, no adjustment is made; if the ambient fluctuation temperature of the first evaluation area of ​​the small satellite energy collection device is equal to or greater than the ambient temperature fluctuation threshold, a predefined temperature compensation circuit is called.

[0131] In this embodiment, the ambient fluctuation temperature refers to the result of subtracting the minimum ambient temperature from the maximum ambient temperature in a small satellite energy collection device detection time period. It should be noted that the adjustment of the predefined temperature check results above has explained the management method of exceeding or falling below the corresponding upper and lower ambient temperature thresholds. At this time, the ambient temperature is within the upper and lower ambient temperature thresholds.

[0132] Predefine the temperature compensation circuit design and select suitable temperature compensation components, such as thermistors, electric heating elements, etc. Design the temperature compensation circuit so that it can automatically adjust when the temperature changes to maintain a stable output power. Thermistor selection: Select a thermistor with an appropriate temperature coefficient. This step is the independent selection design of the relevant personnel when designing the circuit. Specifically, the thermistor is integrated into the output circuit of the solar panel so that when the temperature changes, the resistance of the thermistor changes accordingly, and the output of the circuit is automatically adjusted to compensate for the temperature effect.

[0133] The temperature compensation circuit is used to adjust the energy of small satellites to deal with energy output problems caused by changes in temperature conditions and ensure the stability and reliability of the satellite energy system.

[0134] like Figure 2As shown, it is a flow chart of a small satellite energy management method provided by an embodiment of the present invention. The embodiment of the present invention provides a small satellite energy management method, including: performing a predefined mechanical inspection on a small satellite energy collection device, and adjusting according to the predefined mechanical inspection result; performing a predefined temperature inspection on the temperature of the small satellite, and adjusting according to the predefined temperature inspection result; analyzing a first evaluation area of ​​the small satellite energy collection device to obtain a first analysis factor of the small satellite energy; performing a first comparative analysis on the first analysis factor of the small satellite energy, and performing a first small satellite energy management according to the first comparative analysis result of the small satellite energy; analyzing the first evaluation area of ​​the small satellite energy collection device to obtain a second analysis factor of the small satellite energy, and performing a comprehensive analysis to obtain a comprehensive analysis factor of the small satellite energy; performing a second comparative analysis on the comprehensive analysis factor of the small satellite energy, and performing a second small satellite energy management according to the second comparative analysis result of the small satellite energy.

[0135] It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Furthermore, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0136] The present invention is described with reference to flowcharts and / or block diagrams of systems, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0137] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1 A function specified in one or more boxes.

[0138] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0139] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0140] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A small satellite energy management system, characterized in that: It includes a small satellite energy mechanical self-check module, a small satellite energy management temperature adaptation adjustment module, a small satellite energy first evaluation module, a small satellite energy first management module, a small satellite energy second evaluation module and a small satellite energy second management module; Wherein, the small satellite energy mechanical self-check module is used to perform a predefined mechanical check on the small satellite energy collection equipment and make adjustments according to the predefined mechanical check results; The small satellite energy management temperature adaptation adjustment module is used to perform a predefined temperature check on the temperature of the small satellite and adjust it according to the predefined temperature check result; The small satellite energy first evaluation module is used to analyze the first evaluation area of ​​the small satellite energy collection device to obtain the small satellite energy first analysis factor; The small satellite energy first management module is used to perform a first comparative analysis on the small satellite energy first analysis factor, and perform a first small satellite energy management according to the small satellite energy first comparative analysis result; The small satellite energy second evaluation module is used to analyze the first evaluation area of ​​the small satellite energy collection device to obtain the small satellite energy second analysis factor, and comprehensively analyze to obtain the small satellite energy comprehensive analysis factor; The small satellite energy second management module is used to perform a second comparative analysis on the small satellite energy comprehensive analysis factors, and perform a second small satellite energy management according to the small satellite energy second comparative analysis results; The adjustment is performed according to the predefined mechanical inspection results, and the specific process is as follows: The deflection angle and folding angle of the small satellite energy collection device are obtained through the detection of the inclination sensor; If the difference between the deflection angle of the small satellite energy collection device and the predefined deflection angle is within the predefined deflection angle error, no adjustment is made; otherwise, the deflection angle of the small satellite energy collection device is adjusted until the difference between the deflection angle of the small satellite energy collection device and the predefined deflection angle is within the predefined deflection angle error; If the difference between the folding angle of the small satellite energy collection device and the predefined folding angle is within the predefined folding angle error, no adjustment is made; otherwise, the folding angle of the small satellite energy collection device is adjusted until the difference between the folding angle of the small satellite energy collection device and the predefined folding angle is within the predefined folding angle error; The adjustment according to the predefined temperature check result specifically includes: The ambient temperature of the energy collection equipment of the small satellite is obtained by collecting the temperature sensor built into the small satellite; If the ambient temperature of the small satellite energy collection device is greater than the lower threshold of the ambient temperature of the small satellite energy collection device and less than the upper threshold of the ambient temperature of the small satellite energy collection device, no adjustment is made; If the ambient temperature of the small satellite energy collection device is greater than or equal to the upper threshold value of the ambient temperature of the small satellite energy collection device, the sunshade device is activated to cover the small satellite energy collection device, and the heat of the small satellite energy collection device is dissipated through the heat dissipation device, so as to reduce the output voltage of the small satellite energy collection device until the output voltage lower threshold value is reached; If the ambient temperature of the small satellite energy collection device is less than or equal to the lower threshold of the ambient temperature of the small satellite energy collection device, the heat of the small satellite energy collection device is increased by a heating device, and the output power of the small satellite energy collection device is increased until the output power upper threshold is reached, while limiting the output current of the small satellite energy collection device to below the output current threshold; The adjusting according to the predefined temperature check result also includes: Divide the small satellite energy collection equipment into regions to obtain different small satellite energy collection equipment regions; The power parameters of different small satellite energy collection device areas are collected through the built-in power collection device of the small satellite energy collection device; If the power parameters of the small satellite energy collection device area are all greater than the respective small satellite power parameter lower limit threshold and less than the respective small satellite power parameter upper limit threshold, no adjustment is made, and the corresponding small satellite energy collection device area is recorded as the first evaluation area of ​​the small satellite energy collection device; If any power parameter of the small satellite energy collection device area is greater than or equal to the small satellite power parameter upper limit threshold or any power parameter of the small satellite energy collection device area is less than or equal to the small satellite power parameter lower limit threshold, the corresponding small satellite energy collection device area is recorded as a faulty energy collection device area; Close the energy circuit loop in the area of ​​the faulty energy collection device through the built-in circuit switch; The specific process of obtaining the first analysis factor of the small satellite energy is as follows: The output power parameter, output current parameter and output voltage parameter of the first evaluation area of ​​the small satellite energy collection device are obtained by collecting the small satellite energy management hardware unit built in the small satellite predefined management software; The ambient temperature of the first evaluation area of ​​the small satellite energy collection device is obtained through the temperature sensor; Comprehensive analysis yields the first analysis factor of small satellite energy in the first evaluation area of ​​small satellite energy collection equipment; The second analysis factor of the small satellite energy is obtained, specifically including: The output power parameters of the first evaluation area of ​​the small satellite energy collection device, the communication response time parameters of the small satellite energy collection device, and the communication signal parameters are obtained through the built-in small satellite energy management hardware unit through the small satellite predefined management software; Analyzing communication signal parameters by predefined software to obtain communication signal-to-noise ratio parameters for the first evaluation area of ​​the small satellite energy collection device; The second analysis factor of small satellite energy in the first evaluation area of ​​small satellite energy collection equipment is obtained through comprehensive analysis.

2. The small satellite energy management system according to claim 1, characterized in that: The specific process of performing the first small satellite energy management according to the first small satellite energy comparison and analysis result is as follows: If the first analysis factor of the small satellite energy in the first evaluation area of ​​the small satellite energy collection device is greater than or equal to the corresponding first threshold of the small satellite energy collection device, no adjustment is made, and the first analysis factor of the small satellite energy in the first evaluation area of ​​the small satellite energy collection device is sent to the ground interaction center at every predefined sending time; If the first analysis factor of the small satellite energy in the first evaluation area of ​​the small satellite energy collection device is less than the first threshold of the corresponding small satellite energy collection device, the energy circuit loop of the faulty energy collection device area in the corresponding small satellite energy collection device first evaluation area is closed through the built-in circuit switch, the energy storage device is started to supply energy and the circuit parameter self-check is started, and the circuit parameter self-check result is sent to the ground interaction center; If the small satellite receives a solar activity warning sent by the ground interaction center, the small satellite backup energy device will be started, the small satellite communication power will be increased to the predefined communication power threshold, the output circuit of the small satellite energy collection device will be switched to the built-in anti-radiation filter circuit circuit, and the deflection angle and folding angle of the small satellite energy collection device will be adjusted to the predefined deflection angle and predefined folding angle through attitude control software.

3. The small satellite energy management system according to claim 1, characterized in that: The comprehensive analysis of small satellite energy comprehensive analysis factors is obtained by the comprehensive analysis, and the specific process is as follows: Number the first evaluation area of ​​the small satellite energy collection equipment in sequence. Indicates the number of the first evaluation area of ​​the small satellite energy collection device, Indicates the total number of numbers for the first evaluation area of ​​the small satellite energy collection device, ; The small satellite energy collection equipment detection time is divided into different small satellite energy collection equipment detection time periods, and the small satellite energy collection equipment detection time periods are numbered in sequence. Indicates the number of the small satellite energy collection equipment detection time period, Indicates the total number of detection time periods for small satellite energy collection equipment. ; Indicates Small satellite energy comprehensive analysis factors in the first evaluation area of ​​small satellite energy collection equipment; ； Indicates Small satellite energy harvesting device first evaluation area The first analysis factor of the small satellite energy during the detection period of the small satellite energy collection device; Indicates Small satellite energy harvesting device first evaluation area The second analysis factor of the small satellite energy during the detection period of the small satellite energy collection device; Represents a natural constant.

4. The small satellite energy management system according to claim 1, characterized in that: The specific process of performing the second small satellite energy management according to the second small satellite energy comparison analysis result is as follows: If the small satellite energy comprehensive analysis factor of the first evaluation area of ​​the small satellite energy collection device is greater than the small satellite energy comprehensive analysis threshold, no adjustment is made; If the small satellite energy comprehensive analysis factor of the first evaluation area of ​​the small satellite energy collection device is less than or equal to the small satellite energy comprehensive analysis threshold, the ambient temperature fluctuation of the first evaluation area of ​​the small satellite energy collection device is compared with the ambient temperature fluctuation threshold. If the ambient temperature fluctuation of the first evaluation area of ​​the small satellite energy collection device is less than the ambient temperature fluctuation threshold, no adjustment is made. If the ambient temperature fluctuation of the first evaluation area of ​​the small satellite energy collection device is equal to or greater than the ambient temperature fluctuation threshold, a predefined temperature compensation circuit is called.

5. A small satellite energy management method, characterized in that: The following steps are involved: Perform predefined mechanical checks on small satellite energy collection equipment and make adjustments based on the predefined mechanical check results; Perform a predefined temperature check on the temperature of the small satellite and adjust it according to the predefined temperature check result; Analyze the first evaluation area of ​​the small satellite energy collection device to obtain the first analysis factor of the small satellite energy; Conducting a first comparative analysis on the first analysis factors of small satellite energy, and conducting a first management of small satellite energy according to the results of the first comparative analysis of small satellite energy; Analyze the first evaluation area of ​​the small satellite energy collection device to obtain the second analysis factor of the small satellite energy, and conduct comprehensive analysis to obtain the comprehensive analysis factor of the small satellite energy; Conduct a second comparative analysis on the comprehensive analysis factors of small satellite energy, and conduct a second management of small satellite energy based on the results of the second comparative analysis of small satellite energy; The adjustment is performed according to the predefined mechanical inspection results, and the specific process is as follows: The deflection angle and folding angle of the small satellite energy collection device are obtained through the detection of the inclination sensor; If the difference between the deflection angle of the small satellite energy collection device and the predefined deflection angle is within the predefined deflection angle error, no adjustment is made; otherwise, the deflection angle of the small satellite energy collection device is adjusted until the difference between the deflection angle of the small satellite energy collection device and the predefined deflection angle is within the predefined deflection angle error; If the difference between the folding angle of the small satellite energy collection device and the predefined folding angle is within the predefined folding angle error, no adjustment is made; otherwise, the folding angle of the small satellite energy collection device is adjusted until the difference between the folding angle of the small satellite energy collection device and the predefined folding angle is within the predefined folding angle error; The adjustment according to the predefined temperature check result specifically includes: The ambient temperature of the energy collection equipment of the small satellite is obtained by collecting the temperature sensor built into the small satellite; If the ambient temperature of the small satellite energy collection device is greater than the lower threshold of the ambient temperature of the small satellite energy collection device and less than the upper threshold of the ambient temperature of the small satellite energy collection device, no adjustment is made; If the ambient temperature of the small satellite energy collection device is greater than or equal to the upper threshold value of the ambient temperature of the small satellite energy collection device, the sunshade device is activated to cover the small satellite energy collection device, and the heat of the small satellite energy collection device is dissipated through the heat dissipation device, so as to reduce the output voltage of the small satellite energy collection device until the output voltage lower threshold value is reached; If the ambient temperature of the small satellite energy collection device is less than or equal to the lower threshold of the ambient temperature of the small satellite energy collection device, the heat of the small satellite energy collection device is increased by a heating device, and the output power of the small satellite energy collection device is increased until the output power upper threshold is reached, while limiting the output current of the small satellite energy collection device to below the output current threshold; The adjusting according to the predefined temperature check result also includes: Divide the small satellite energy collection equipment into regions to obtain different small satellite energy collection equipment regions; The power parameters of different small satellite energy collection device areas are collected through the built-in power collection device of the small satellite energy collection device; If the power parameters of the small satellite energy collection device area are all greater than the respective small satellite power parameter lower limit threshold and less than the respective small satellite power parameter upper limit threshold, no adjustment is made, and the corresponding small satellite energy collection device area is recorded as the first evaluation area of ​​the small satellite energy collection device; If any power parameter of the small satellite energy collection device area is greater than or equal to the small satellite power parameter upper limit threshold or any power parameter of the small satellite energy collection device area is less than or equal to the small satellite power parameter lower limit threshold, the corresponding small satellite energy collection device area is recorded as a faulty energy collection device area; Close the energy circuit loop in the area of ​​the faulty energy collection device through the built-in circuit switch; The specific process of obtaining the first analysis factor of the small satellite energy is as follows: The output power parameter, output current parameter and output voltage parameter of the first evaluation area of ​​the small satellite energy collection device are obtained by collecting the small satellite energy management hardware unit built in the small satellite predefined management software; The ambient temperature of the first evaluation area of ​​the small satellite energy collection device is obtained through the temperature sensor; Comprehensive analysis yields the first analysis factor of small satellite energy in the first evaluation area of ​​small satellite energy collection equipment; The second analysis factor of the small satellite energy is obtained, specifically including: The output power parameters of the first evaluation area of ​​the small satellite energy collection device, the communication response time parameters of the small satellite energy collection device, and the communication signal parameters are obtained through the built-in small satellite energy management hardware unit through the small satellite predefined management software; Analyzing communication signal parameters by predefined software to obtain communication signal-to-noise ratio parameters for the first evaluation area of ​​the small satellite energy collection device; The second analysis factor of small satellite energy in the first evaluation area of ​​small satellite energy collection equipment is obtained through comprehensive analysis.

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