CN112684354A

CN112684354A - Satellite storage battery characteristic data acquisition method and device

Info

Publication number: CN112684354A
Application number: CN202011455547.2A
Authority: CN
Inventors: 林海晨; 李肖瑛; 高宇; 田凯; 郭小红; 潘艳辉; 许静文; 李强; 杨小燕; 王小乐; 蔡立锋; 赵静; 李云锋; 李辉
Original assignee: China Xian Satellite Control Center
Current assignee: China Xian Satellite Control Center
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-04-20
Anticipated expiration: 2040-12-10
Also published as: CN112684354B

Abstract

The disclosure relates to a satellite storage battery characteristic data acquisition method and device. The method comprises the following steps: acquiring current data of a satellite storage battery; determining at least one target sampling point in the satellite storage battery current data, and acquiring current change characteristic data of the target sampling point according to current values of continuous 5 sampling points of the target sampling point and sampling time of the continuous 5 sampling points in the satellite storage battery current data; determining the node type of the target sampling point according to the current change characteristic data of the target sampling point; and acquiring satellite storage battery characteristic data according to the node type and the satellite storage battery current data, wherein the satellite storage battery characteristic data comprises at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and the peak current data of the satellite storage battery in the whole life cycle. According to the technical scheme, at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and the peak current data in the whole service life cycle of the satellite storage battery can be automatically acquired according to the current data of the satellite storage battery, so that the efficiency of processing the current data of the satellite storage battery is accelerated, and the user experience is improved.

Description

Satellite storage battery characteristic data acquisition method and device

Technical Field

The disclosure relates to the technical field of spacecraft data processing, in particular to a method and a device for acquiring satellite storage battery characteristic data.

Background

Satellites are devices that are launched into space with space vehicles such as rockets, space shuttles, etc., and that circle the earth or other planets like natural satellites. The ground control terminal can receive satellite storage battery current data generated by different information sources on the satellite in order to acquire data acquired by the satellite or in order to acquire the state of the satellite. According to the acquired satellite storage battery current data, the satellite storage battery current data can be processed manually to acquire corresponding state data of the satellite, such as the electric quantity of a battery and the like, so that improvement on management of the satellite is facilitated.

With the development of science and technology, the functions of the on-orbit satellite are more and more abundant, the transceiver and transmission channel matched with the on-orbit satellite are gradually complicated, and accordingly, the current data of the satellite storage battery is more and more complex, the data volume of the current data of the satellite storage battery is increased rapidly and exceeds the limit of manual processing, so that the efficiency of manually processing the current data of the satellite storage battery is greatly reduced, the reliability of the management of the satellite according to the current data of the satellite storage battery is reduced, and the user experience is damaged.

Disclosure of Invention

To overcome the problems in the related art, embodiments of the present disclosure provide a method and an apparatus for acquiring satellite battery characteristic data. The technical scheme is as follows:

according to a first aspect of embodiments of the present disclosure, there is provided a satellite storage battery characteristic data acquisition method, including:

acquiring satellite storage battery current data, wherein the satellite storage battery current data comprises current values of a plurality of sampling points and sampling time of each sampling point;

determining at least one target sampling point in the satellite storage battery current data, and acquiring current change characteristic data of the target sampling point according to the current value of continuous 5 sampling points of the target sampling point and the sampling time of the continuous 5 sampling points in the satellite storage battery current data, wherein the current change characteristic data comprises a difference value of the current value of each sampling point in the continuous 5 sampling points and the current value of other sampling points in the continuous 5 sampling points, and a difference value of the current value of each sampling point in the continuous 5 sampling points and the sampling time of other sampling points in the continuous 5 sampling points;

determining the node type of the target sampling point according to the current change characteristic data of the target sampling point;

and acquiring satellite storage battery characteristic data according to the node type and the satellite storage battery current data, wherein the satellite storage battery characteristic data comprises at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and peak current data in the whole life cycle of the satellite storage battery.

In one embodiment, obtaining satellite battery characterization data based on the node type and the satellite battery current data comprises:

when the node type of the target sampling point is determined to be a shadow entering starting node or a high-current charging ending node according to the current change characteristic data of the target sampling point, the charging electric quantity of the satellite storage battery is obtained according to the current data of the satellite storage battery;

and/or when the node type of the target sampling point is determined to be a high-current discharge starting node or a high-current discharge ending node according to the current change characteristic data of the target sampling point, acquiring the discharge electric quantity of the satellite storage battery according to the current data of the satellite storage battery;

and/or when the node type of the target sampling point is determined to be a high-current charging maximum current value midpoint node, a supplementary charging maximum current value midpoint node or a high-current discharging electrode value ending node according to the current change characteristic data of the target sampling point, acquiring peak current data in the whole life cycle of the satellite storage battery according to the current data of the satellite storage battery.

In one embodiment, determining the node type of the target sampling point as a shadow-advancing starting node according to the current change characteristic data of the target sampling point includes:

when the image advancing starting condition 1 or the image advancing starting condition 2 is met, determining the node type of the target sampling point as an image advancing starting node;

the development start condition 1 includes: 0.00A < xc_i-4＜0.40A、0.00A＜xc_i-3＜0.40A、1.00A＜xc_i-2＜5.00A、xc_i-2≥xc_i-1、xc_i-1≥xc_i、|tc_i-2-tc_i-3|＜500s，|xc_i-2-xc_i-3|＜5.0A；

Wherein xc_i-4For the 1 st sampling point in 5 continuous sampling pointsCurrent value of, tc_i-4Is the sampling time, xc, of the 1 st sample point of the 5 consecutive sample points_i-3Is the current value of 2 nd sampling point of 5 continuous sampling points, tc_i-3Is the sampling time, xc, of the 2 nd sample point of the 5 consecutive sample points_i-2The current value, tc, of the 3 rd sampling point, i.e. the target sampling point, in the 5 continuous sampling points_i-2Sample time, xc, of a target sample point_i-1Is the current value, tc, of the 4 th sampling point of the 5 consecutive sampling points_i-1Is the sampling time, xc, of the 4 th sample point of the 5 consecutive sample points_iIs the current value, tc, of the 5 th sampling point of the 5 consecutive sampling points_iIs the sampling time of the 5 th sampling point in the 5 consecutive sampling points.

In one embodiment, after determining that the node type of the target sampling point is a shadow start node, the method further includes:

adding 1 to the number L1 of the shadow-feeding starting nodes;

subtracting 1 from L1 when any one of the number L2 of shading end nodes, the number L3 of shading start nodes, the number L4 of shading end nodes, the number L5 of large-current charging end nodes, and the number L6 of trickle charging end nodes is greater than the number L1 of shading start nodes;

the method for acquiring the charging capacity of the satellite storage battery according to the current data of the satellite storage battery comprises the following steps:

and acquiring the charging capacity of the satellite storage battery according to the current data of the satellite storage battery and the L1.

In one embodiment, determining the node type of the target sampling point as a high-current charging end node according to the current change characteristic data of the target sampling point includes:

when the high-current charging end condition 1, the high-current charging end condition 2 and the high-current charging end condition 3 are met, determining the node type of the target sampling point as a high-current charging end node;

when the large-current charging end condition 1, the large-current charging end condition 2 and the large-current charging end condition 4 are met and the large-current charging end condition 3 is not met, determining the node type of the target sampling point as a large-current charging end node;

the large-current charge termination 1 includes: 2.5A < xc_i-3＜8.0A、5.0A＜xc_i-2< 8.0A and 5.0A < xc_i-1＜8.0A；

The large-current charge end condition 2 includes: 0.0A < xc_i< 0.4A or 2.0A < xc_i＜4.0A；

The large-current charge end condition 3 includes: is less than or equal to 500s and is more than or equal to | tc_i-1-tc_L3-1I and | tc_i-1-tc_L3-1|≤40000s；

The large-current charge end condition 4 includes: | tc_i-1-tc_L3-185000s | ≦ L4 ≠ L5 and L5 ≠ 1;

wherein, xc_i-3Is the current value of the 2 nd sampling point in the 5 continuous sampling points, xc_i-2Is the current value of the 3 rd sampling point in the 5 continuous sampling points, tc_i-2Is the sampling time, xc, of the 3 rd sampling point of the 5 consecutive sampling points_i-1The current value, tc, of the 4 th sampling point, namely the target sampling point in the 5 continuous sampling points_i-1Is the sampling time, xc, of the target sampling point_iIs the current value, tc, of the 5 th sampling point of the 5 consecutive sampling points_iIs the sampling time, tc, of the 5 th sample point of the 5 consecutive sample points_L3-1The sampling time of a projection start node before the target sampling point, L4 the number of projection end nodes before the target sampling point, and L5 the number of large current charging end nodes before the target sampling point.

In one embodiment, after determining that the node type of the target sampling point is the high-current charging end node, the method further includes:

adding 1 to the number L5 of the large-current charging end nodes;

when any one of the number of the nodes L1, L2, L3 and L4 is smaller than L5, 1 is added to L5.

and acquiring the charging capacity of the satellite storage battery according to the current data of the satellite storage battery and the L5.

In one embodiment, determining the node type of the target sampling point as a high-current discharge starting node according to the current change characteristic data of the target sampling point includes:

when the high-current discharge starting condition 1, the high-current discharge starting condition 2 and the high-current discharge starting condition 3 are met, determining the node type of the target sampling point as a high-current discharge starting node;

the imaging conditions 1 include: 0.1 A.ltoreq.xf_i-3≤0.0A、-0.1A≤xf_i-2≤-5·I_FS、-0.1A≤xf_i-1≤-5·I_FS、 -40.0A＜xf_i＜-0.1A、|xf_i-1-xf_i|≥0.1A、xf_i＜xf_i-1、xf_i-1≤xf_i-2And xf_i+2≤xf_i-3；

The imaging conditions 2 include: l tf_i-1-tf_i|＜20s、0.1A≤|xf_i-1-xf_iLess than or equal to 5.0A, or | xf_i-1-xf_i|≥5.0A

The image advance condition 3 includes: l tf_i-1-tf_L11-1|＞20000s；

Wherein, xf_i-3Is the current value of the 2 nd sampling point in the 5 continuous sampling points, tf_i-3Is the sampling time of the 2 nd sample point of the 5 consecutive sample points, xf_i-2Is the current value of the 3 rd sampling point in the continuous 5 sampling points, tf_i-2Is the sampling time of the target sampling point, xf_i-1Is the current value of the 4 th sampling point, namely the target sampling point, tf in the 5 continuous sampling points_i-1Sampling time, xf for a target sample point_iIs the current value of the 5 th sampling point in the 5 consecutive sampling points, tf_iIs the sampling time of the 5 th sampling point in the 5 continuous sampling points, I_FS＝0.00001A，tf_L11-1The sampling time of a large current discharge starting node before the target sampling point is shown.

In one embodiment, determining the node type of the target sampling point as a high-current discharge end node according to the current change characteristic data of the target sampling point includes:

when-40A is less than or equal to xf_i-3≤-5·I_FS、-0.1A≤xf_i-2≤0.0A、-0.1A≤xf_i-1≤0.0A、-0.1A≤xf_i≤0.0A、 xf_i-3When the voltage is less than-0.1A, determining the node type of the target sampling point as a high-current discharge end node;

wherein, xf_i-3Is the current value of the 2 nd sampling point of the 5 continuous sampling points, xf_i-2Is the current value of the 3 rd sampling point, namely the target sampling point, xf in the 5 continuous sampling points_i-1Is the current value of the 4 th sampling point of the 5 continuous sampling points, xf_iIs the current value of the 5 th sampling point in the 5 continuous sampling points, tf_iIs the sampling time of the 5 th sampling point in the 5 consecutive sampling points.

According to a second aspect of the embodiments of the present disclosure, there is provided a satellite storage battery characteristic data acquisition apparatus including:

satellite battery characteristic data acquisition device, its characterized in that includes:

the satellite storage battery current data acquisition module is used for acquiring satellite storage battery current data, and the satellite storage battery current data comprises current values of a plurality of sampling points and sampling time of each sampling point;

the current change characteristic data acquisition module is used for determining at least one target sampling point in the satellite storage battery current data, and acquiring current change characteristic data of the target sampling point according to the current data of the satellite storage battery, wherein the current data of the satellite storage battery comprises the current values of continuous 5 sampling points of the target sampling point and the sampling time of the continuous 5 sampling points, and the current change characteristic data comprises the difference value of the current value of each sampling point in the continuous 5 sampling points and the current values of other sampling points in the continuous 5 sampling points, and the difference value of the current value of each sampling point in the continuous 5 sampling points and the sampling time of other sampling points in the continuous 5 sampling points;

the node type determining module is used for determining the node type of the target sampling point according to the current change characteristic data of the target sampling point;

the satellite storage battery characteristic data acquisition module is used for acquiring satellite storage battery characteristic data according to the node type and the satellite storage battery current data, and the satellite storage battery characteristic data comprises at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and the peak current data of the satellite storage battery in the whole life cycle.

According to a third aspect of embodiments of the present disclosure, there is provided a satellite storage battery characteristic data acquisition apparatus including:

satellite battery characteristic data acquisition device includes:

a processor;

a memory for storing processor-executable instructions;

wherein the processor is configured to:

In the technical scheme provided by the embodiment of the disclosure, at least one target sampling point is determined in the satellite storage battery current data by obtaining the satellite storage battery current data comprising the current values of a plurality of sampling points and the sampling time of each sampling point, and the current change characteristic data of the target sampling point is obtained according to the satellite storage battery current data comprising the current values of continuous 5 sampling points of the target sampling points and the sampling time of the continuous 5 sampling points, wherein the current change characteristic data comprises the difference value of the current value of each sampling point in the continuous 5 sampling points and the current values of other sampling points in the continuous 5 sampling points, and the difference value of the current value of each sampling point in the continuous 5 sampling points and the sampling time of other sampling points in the continuous 5 sampling points, and the current change characteristic data can accurately depict the current change characteristics of the target sampling point and the sampling points nearby, therefore, the node type of the target sampling point can be determined according to the current change characteristic data of the target sampling point; and acquiring satellite storage battery characteristic data according to the node type and the satellite storage battery current data, wherein the satellite storage battery characteristic data comprises at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and the peak current data of the satellite storage battery in the whole life cycle. According to the scheme, on the premise of no need of manual processing, at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and the peak current data in the whole service life cycle of the satellite storage battery is automatically obtained according to the current data of the satellite storage battery, so that the efficiency of processing the current data of the satellite storage battery is accelerated, the reliability of satellite management according to the current data of the satellite storage battery is improved, and the user experience is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a schematic flow diagram illustrating a method of satellite battery signature data acquisition according to an exemplary embodiment;

FIG. 2 is a schematic flow diagram illustrating a method of satellite battery signature data acquisition according to an exemplary embodiment;

FIG. 3 is a schematic diagram illustrating a satellite battery characteristic data acquisition device in accordance with an exemplary embodiment;

fig. 4 is a block diagram illustrating a satellite battery characteristic data acquisition device according to an exemplary embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

With the development of science and technology, the number of on-orbit satellites is gradually increased, and the service life of the satellites is prolonged. Consequently, the satellite battery current data acquired by the ground control terminal is rapidly increased, and the number of parameters in the satellite battery current data is increased to hundreds or even tens of thousands. Meanwhile, the more and more the functions of the in-orbit satellite are, the more complicated the transceiver and transmission channel, etc. matched with the in-orbit satellite are. Therefore, the data volume of the satellite storage battery current data is generally larger and larger, taking the sampling data of the north storage battery of a certain high-orbit satellite for 1 year as an example, the data volume is as high as 574MB, and when the satellite storage battery current data is manually processed to obtain corresponding state data of the satellite, the data volume often exceeds the limit of manual processing, so that the efficiency of manually processing the satellite storage battery current data is greatly reduced, the reliability of management of the satellite according to the satellite storage battery current data is reduced, and the user experience is damaged.

In order to solve the above problem, an embodiment of the present disclosure provides a technical solution, in which at least one target sampling point is determined in satellite battery current data by obtaining satellite battery current data including current values of a plurality of sampling points and sampling times of each sampling point, and current change characteristic data of the target sampling point is obtained according to the satellite battery current data including current values of consecutive 5 sampling points of the target sampling point and the sampling times of the consecutive 5 sampling points, wherein the current change characteristic data includes a differential value between the current value of each of the consecutive 5 sampling points and current values of other sampling points in the consecutive 5 sampling points, and a differential value between the current value of each of the consecutive 5 sampling points and sampling times of other sampling points in the consecutive 5 sampling points, and the current change characteristic data can accurately depict current change characteristics of the target sampling point and sampling points nearby, therefore, the node type of the target sampling point can be determined according to the current change characteristic data of the target sampling point; and acquiring satellite storage battery characteristic data according to the node type and the satellite storage battery current data, wherein the satellite storage battery characteristic data comprises at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and the peak current data of the satellite storage battery in the whole life cycle. According to the scheme, on the premise of no need of manual processing, at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and the peak current data in the whole service life cycle of the satellite storage battery is automatically obtained according to the current data of the satellite storage battery, so that the efficiency of processing the current data of the satellite storage battery is accelerated, the reliability of management of the satellite according to the current data of the satellite storage battery is improved, and the user experience is improved.

An embodiment of the present disclosure provides a method for acquiring satellite battery characteristic data, fig. 1 is a schematic flow chart of a method for acquiring satellite battery characteristic data according to an exemplary embodiment, and as shown in fig. 1, the method includes the following steps 101 to 103:

101. and acquiring satellite storage battery current data.

The satellite storage battery current data comprises current values of a plurality of sampling points and sampling time of each sampling point.

The acquisition of the satellite battery current data may be downloading the satellite battery current data from the satellite, or may be reading the satellite battery current data stored in advance on the ground. The current value can comprise at least one of a main bus load current value, a storage battery pack charging current value, a storage battery pack discharging current value and a shunt regulator shunt current value.

In one embodiment, the satellite battery current data is obtained by obtaining the satellite battery current data based on at least one of the target year information and the target satellite identification.

For example, the target year information and the target satellite identifier may be preset, may be obtained from other devices or systems, or may be obtained according to the sampling time of the oversampling point in the satellite battery current data.

For example, when the ground terminal stores data of a plurality of satellites in a plurality of years in advance, the data stored in advance on the ground terminal may be divided according to the satellite identifiers of the plurality of satellites and the information of the plurality of years to obtain satellite battery current data, wherein the obtained satellite battery current data may include parameters of a single satellite, and the acquisition time of the parameters may belong to a single year. Further, when the data stored in advance on the ground side includes a plurality of parameters, the data stored in advance on the ground side may be further divided according to the satellite identifications of the plurality of satellites, the annual information of the plurality of years and the parameter information of the plurality of parameters to obtain satellite battery current data, wherein the obtained satellite battery current data includes a single type of parameter of a single satellite, and the acquisition time of the parameter belongs to a single year.

For example, the data stored in advance on the ground side includes 30 downlink parameters of 6 satellites of a certain platform acquired in 3-9 years, and the data stored in advance on the ground side is divided according to the satellites, the years and the parameters to acquire 1176 satellite storage battery current data.

102. Determining at least one target sampling point in the satellite storage battery current data, and acquiring current change characteristic data of the target sampling point according to current values of continuous 5 sampling points of the target sampling point and sampling time of the continuous 5 sampling points in the satellite storage battery current data.

The current change characteristic data comprises a difference value of a current value of each sampling point in the 5 continuous sampling points and current values of other sampling points in the 5 continuous sampling points, and a difference value of the current value of each sampling point in the 5 continuous sampling points and sampling time of other sampling points in the 5 continuous sampling points.

103. And determining the node type of the target sampling point according to the current change characteristic data of the target sampling point.

Illustratively, the node types of the target sampling point include a shadow-entering start node, a large-current charging end node, a large-current discharging start node, a large-current discharging end node, a large-current charging maximum current value midpoint node, a complementary charging maximum current value midpoint node, and a large-current discharging extreme value end node.

104. And acquiring satellite storage battery characteristic data according to the node type and the satellite storage battery current data.

The satellite storage battery characteristic data comprises at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and peak current data in the whole life cycle of the satellite storage battery.

For example, a corresponding algorithm may be obtained according to the type of the node, and at least one of the charging capacity of the satellite storage battery, the discharging capacity of the satellite storage battery, and the peak current data of the satellite storage battery in the full life cycle may be obtained by calculating according to the current value corresponding to each of the 5 consecutive sampling points in the current data of the satellite storage battery and the sampling time corresponding to each of the 5 consecutive sampling points.

In the technical scheme provided by the embodiment of the disclosure, at least one target sampling point is determined in the satellite storage battery current data by obtaining the satellite storage battery current data comprising the current values of a plurality of sampling points and the sampling time of each sampling point, and the current change characteristic data of the target sampling point is obtained according to the satellite storage battery current data comprising the current values of continuous 5 sampling points of the target sampling points and the sampling time of the continuous 5 sampling points, wherein the current change characteristic data comprises the difference value of the current value of each sampling point in the continuous 5 sampling points and the current values of other sampling points in the continuous 5 sampling points, and the difference value of the current value of each sampling point in the continuous 5 sampling points and the sampling time of other sampling points in the continuous 5 sampling points, and the current change characteristic data can accurately depict the current change characteristics of the target sampling point and the sampling points nearby, therefore, the node type of the target sampling point can be determined according to the current change characteristic data of the target sampling point; and acquiring satellite storage battery characteristic data according to the node type and the satellite storage battery current data, wherein the satellite storage battery characteristic data comprises at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and the peak current data of the satellite storage battery in the whole life cycle. According to the scheme, on the premise of no need of manual processing, at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and the peak current data in the whole service life cycle of the satellite storage battery is automatically obtained according to the current data of the satellite storage battery, so that the efficiency of processing the current data of the satellite storage battery is increased, the reliability of management of the satellite according to the current data of the satellite storage battery is improved, and the user experience is improved.

In an embodiment, fig. 2 is a schematic flowchart of a method for acquiring satellite battery characteristic data according to an exemplary embodiment, and as shown in fig. 2, step 104 is implemented by at least one of step 1041, step 1042, and step 1043:

1041. and when the node type of the target sampling point is determined to be a shadow-entering starting node or a high-current charging ending node according to the current change characteristic data of the target sampling point, acquiring the charging electric quantity of the satellite storage battery according to the current data of the satellite storage battery.

1042. And when the node type of the target sampling point is determined to be a high-current discharge starting node or a high-current discharge ending node according to the current change characteristic data of the target sampling point, the discharge electric quantity of the satellite storage battery is obtained according to the current data of the satellite storage battery.

1043. And when the node type of the target sampling point is determined to be a high-current charging maximum current value midpoint node, a complementary charging maximum current value midpoint node or a high-current discharging electrode value ending node according to the current change characteristic data of the target sampling point, acquiring peak current data in the whole life cycle of the satellite storage battery according to the current data of the satellite storage battery.

Exemplarily, determining the node type of the target sampling point as a shadow-advancing starting node according to the current change characteristic data of the target sampling point, including:

the development start condition 1 includes: 0.00A < xc_i-4＜0.40A、0.00A＜xc_i-3＜0.40A、 1.00A＜xc_i-2＜5.00A、xc_i-2≥xc_i-1、xc_i-1≥xc_i、|tc_i-2-tc_i-3|＜500s，|xc_i-2-xc_i-3|＜5.0A；

Wherein xc_i-4Is the current value of the 1 st sampling point in the 5 continuous sampling points, tc_i-4Is the sampling time, xc, of the 1 st sample point of the 5 consecutive sample points_i-3Is the current value of 2 nd sampling point of 5 continuous sampling points, tc_i-3Is the sampling time, xc, of the 2 nd sample point of the 5 consecutive sample points_i-2The current value, tc, of the 3 rd sampling point, i.e. the target sampling point, in the 5 continuous sampling points_i-2Sample time, xc, of a target sample point_i-1Is the current value, tc, of the 4 th sampling point of the 5 consecutive sampling points_i-1Is the sampling time, xc, of the 4 th sample point of the 5 consecutive sample points_iIs the current value, tc, of the 5 th sampling point of the 5 consecutive sampling points_iIs the sampling time of the 5 th sampling point in the 5 consecutive sampling points.

Preferably, after determining that the node type of the target sampling point is a shadow start node, the method may further include:

adding 1 to the number L1 of the shadow-feeding starting nodes; when any one of the number L2 of shading end nodes, the number L3 of shading start nodes, the number L4 of shading end nodes, the number L5 of large-current charging end nodes, and the number L6 of trickle charging end nodes is greater than the number L1 of shading start nodes, L1 is decremented by 1.

The satellite storage battery charging capacity is obtained according to the satellite storage battery current data, and the satellite storage battery charging capacity can be obtained according to the satellite storage battery current data and the L1.

Exemplarily, determining the node type of the target sampling point as a high-current charging end node according to the current change characteristic data of the target sampling point, including:

wherein, xc_i-3Is the current value of the 2 nd sampling point in the 5 continuous sampling points, xc_i-2Is the current value of the 3 rd sampling point in the 5 continuous sampling points, tc_i-2Is the sampling time, xc, of the 3 rd sampling point of the 5 consecutive sampling points_i-1The current value, tc, of the 4 th sampling point, namely the target sampling point in the 5 continuous sampling points_i-1To target a sampling pointSample time of (x c)_iIs the current value, tc, of the 5 th sampling point of the 5 consecutive sampling points_iIs the sampling time, tc, of the 5 th sample point of the 5 consecutive sample points_L3-1The sampling time of a projection start node before the target sampling point, L4 the number of projection end nodes before the target sampling point, and L5 the number of large current charging end nodes before the target sampling point.

Optionally, after determining that the node type of the target sampling point is the high-current charging end node, the method may further include: adding 1 to the number L5 of the large-current charging end nodes; when any one of the number L1 of the nodes at which the image starts, the number L2 of the nodes at which the image ends, the number L3 of the nodes at which the image starts, and the number L4 of the nodes at which the image ends is smaller than L5, 1 is added to L5. The satellite storage battery charging capacity is obtained according to the satellite storage battery current data, and the satellite storage battery charging capacity can be obtained according to the satellite storage battery current data and the L5.

Exemplarily, determining that the node type of the target sampling point is a high-current discharge starting node according to the current change characteristic data of the target sampling point, includes:

The image advance condition 3 includes: l tf_i-1-tf_L11-1|＞20000s；

Wherein, xf_i-3For 5 samples in successionCurrent value of 2 nd sample point in the point, tf_i-3Is the sampling time of the 2 nd sample point of the 5 consecutive sample points, xf_i-2Is the current value of the 3 rd sampling point in the continuous 5 sampling points, tf_i-2Is the sampling time of the target sampling point, xf_i-1Is the current value of the 4 th sampling point, namely the target sampling point, tf in the 5 continuous sampling points_i-1Sampling time, xf for a target sample point_iIs the current value of the 5 th sampling point in the 5 consecutive sampling points, tf_iIs the sampling time of the 5 th sampling point in the 5 continuous sampling points, I_FS＝0.00001A，tf_L11-1The sampling time of a large current discharge starting node before the target sampling point is shown.

Exemplarily, determining that the node type of the target sampling point is a high-current discharge end node according to the current change characteristic data of the target sampling point, including:

When the node type of the target sampling point is determined to be a shadow entering starting node or a heavy current charging ending node according to the current change characteristic data of the target sampling point, the charging electric quantity of the satellite storage battery is obtained according to the current data of the satellite storage battery; and/or when the node type of the target sampling point is determined to be a high-current discharge starting node or a high-current discharge ending node according to the current change characteristic data of the target sampling point, acquiring the discharge electric quantity of the satellite storage battery according to the current data of the satellite storage battery; and/or when the node type of the target sampling point is determined to be a high-current charging maximum current value midpoint node, a supplementing charging maximum current value midpoint node or a high-current discharging extreme value end node according to the current variation characteristic data of the target sampling point, the peak current data in the whole life cycle of the satellite storage battery is obtained according to the current data of the satellite storage battery, the operation amount during processing of the current data of the satellite storage battery can be reduced, the speed of obtaining at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and the peak current data in the whole life cycle of the satellite storage battery is improved, and the user experience is improved.

The following are embodiments of the disclosed apparatus that may be used to perform embodiments of the disclosed methods.

Fig. 3 is a schematic structural diagram of a satellite battery characteristic data acquiring apparatus 20 according to an exemplary embodiment, where the satellite battery characteristic data acquiring apparatus 20 may be a terminal or a part of the terminal, and the satellite battery characteristic data acquiring apparatus 20 may be implemented as a part or all of an electronic device through software, hardware, or a combination of the two. As shown in fig. 3, the satellite battery characteristic data acquisition device 20 includes:

the satellite storage battery current data acquisition module 201 is configured to acquire satellite storage battery current data, where the satellite storage battery current data includes current values of a plurality of sampling points and sampling time of each sampling point.

The current change characteristic data acquisition module 202 is configured to determine at least one target sampling point in the satellite storage battery current data, and acquire current change characteristic data of the target sampling point according to the current data of the satellite storage battery, which includes current values of 5 consecutive sampling points of the target sampling point and sampling times of the 5 consecutive sampling points, where the current change characteristic data includes a difference value between a current value of each of the 5 consecutive sampling points and current values of other sampling points in the 5 consecutive sampling points, and a difference value between a current value of each of the 5 consecutive sampling points and sampling times of other sampling points in the 5 consecutive sampling points.

And the node type determining module 203 is used for determining the node type of the target sampling point according to the current change characteristic data of the target sampling point.

The satellite storage battery characteristic data acquisition module 204 is configured to acquire satellite storage battery characteristic data according to the node type and the satellite storage battery current data, where the satellite storage battery characteristic data includes at least one of a satellite storage battery charging amount, a satellite storage battery discharging amount, and peak current data of the satellite storage battery in a full life cycle.

The embodiment of the disclosure provides a satellite storage battery characteristic data acquisition device, which determines at least one target sampling point in satellite storage battery current data by acquiring satellite storage battery current data including current values of a plurality of sampling points and sampling time of each sampling point, and acquires current change characteristic data of the target sampling point according to the satellite storage battery current data including current values of continuous 5 sampling points of the target sampling points and the sampling time of the continuous 5 sampling points, wherein the current change characteristic data includes a differential value of the current value of each sampling point in the continuous 5 sampling points and the current values of other sampling points in the continuous 5 sampling points, a differential value of the current value of each sampling point in the continuous 5 sampling points and the sampling time of other sampling points in the continuous 5 sampling points, the current change characteristic data can accurately depict the current change characteristics of the target sampling point and the sampling points nearby the target sampling point, so that the node type of the target sampling point can be determined according to the current change characteristic data of the target sampling point; and acquiring satellite storage battery characteristic data according to the node type and the satellite storage battery current data, wherein the satellite storage battery characteristic data comprises at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and the peak current data of the satellite storage battery in the whole life cycle. According to the scheme, on the premise of no need of manual processing, at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and the peak current data of the satellite storage battery in the whole life cycle is automatically obtained according to the current data of the satellite storage battery, so that the efficiency of processing the current data of the satellite storage battery is accelerated, the reliability of management of the satellite according to the current data of the satellite storage battery is improved, and the user experience is improved.

Fig. 4 is a block diagram illustrating a satellite battery characteristic data acquiring apparatus 30 according to an exemplary embodiment, where the satellite battery characteristic data acquiring apparatus 30 may be a terminal or a part of the terminal, and the satellite battery characteristic data acquiring apparatus 30 includes:

a processor 301;

a memory 302 for storing instructions executable by the processor 301;

wherein the processor 301 is configured to:

In one embodiment, obtaining satellite battery characterization data based on the node type and the satellite battery current data, the satellite battery characterization data including at least one of a satellite battery charge capacity, a satellite battery discharge capacity, and a peak current data over a satellite battery life cycle, comprises:

Wherein xc_i-4Is the current value of the 1 st sampling point in the 5 continuous sampling points, tc_i-4Is the 1 st sample in 5 continuous sampling pointsSampling time of points, xc_i-3Is the current value of 2 nd sampling point of 5 continuous sampling points, tc_i-3Is the sampling time, xc, of the 2 nd sample point of the 5 consecutive sample points_i-2The current value, tc, of the 3 rd sampling point, i.e. the target sampling point, in the 5 continuous sampling points_i-2Sample time, xc, of a target sample point_i-1Is the current value, tc, of the 4 th sampling point of the 5 consecutive sampling points_i-1Is the sampling time, xc, of the 4 th sample point of the 5 consecutive sample points_iIs the current value, tc, of the 5 th sampling point of the 5 consecutive sampling points_iIs the sampling time of the 5 th sampling point in the 5 consecutive sampling points.

adding 1 to the number L1 of the shadow-feeding starting nodes;

high-current charging junctionThe bundle 1 comprises: 2.5A < xc_i-3＜8.0A、5.0A＜xc_i-2< 8.0A and 5.0A < xc_i-1＜8.0A；

adding 1 to the number L5 of the large-current charging end nodes;

The image advance condition 3 includes: l tf_i-1-tf_L11-1|＞20000s；

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A satellite storage battery characteristic data acquisition method is characterized by comprising the following steps:

determining at least one target sampling point in the satellite storage battery current data, and acquiring current change characteristic data of the target sampling point according to current values of 5 continuous sampling points of the target sampling point and sampling time of the 5 continuous sampling points in the satellite storage battery current data, wherein the current change characteristic data comprises a difference value between the current value of each of the 5 continuous sampling points and current values of other sampling points in the 5 continuous sampling points, and a difference value between the current value of each of the 5 continuous sampling points and sampling time of other sampling points in the 5 continuous sampling points;

2. The method according to claim 1, wherein the obtaining satellite battery characterization data based on the node type and the satellite battery current data comprises:

when the node type of the target sampling point is determined to be a shadow entering starting node or a high-current charging ending node according to the current change characteristic data of the target sampling point, the charging capacity of the satellite storage battery is obtained according to the current data of the satellite storage battery;

and/or when the node type of the target sampling point is determined to be a high-current discharge starting node or a high-current discharge ending node according to the current change characteristic data of the target sampling point, the discharge electric quantity of the satellite storage battery is obtained according to the current data of the satellite storage battery;

and/or when the node type of the target sampling point is determined to be a high-current charging maximum current value midpoint node, a supplementing charging maximum current value midpoint node or a high-current discharging extreme value end node according to the current change characteristic data of the target sampling point, acquiring peak current data in the whole life cycle of the satellite storage battery according to the current data of the satellite storage battery.

3. The satellite storage battery characteristic data acquisition method according to claim 2, wherein the determining that the node type of the target sampling point is a shadow start node according to the current change characteristic data of the target sampling point comprises:

the above-mentionedThe development start condition 1 includes: 0.00A < xc_i-4＜0.40A、0.00A＜xc_i-3＜0.40A、1.00A＜xc_i-2＜5.00A、xc_i-2≥xc_i-1、xc_i-1≥xc_i、|tc_i-2-tc_i-3|＜500s，|xc_i-2-xc_i-3|＜5.0A；

Wherein xc_i-4Is the current value, tc, of the 1 st sampling point of the 5 consecutive sampling points_i-4Is the sampling time, xc of the 1 st sampling point of the 5 consecutive sampling points_i-3Is the current value, tc, of the 2 nd sampling point of the 5 consecutive sampling points_i-3Is the sampling time, xc of the 2 nd sample point of the 5 consecutive sample points_i-2The current value tc of the 3 rd sampling point in the continuous 5 sampling points, namely the target sampling point_i-2Is the sampling time, xc, of the target sampling point_i-1Is the current value, tc, of the 4 th sampling point of the 5 consecutive sampling points_i-1Is the sampling time, xc of the 4 th sampling point of the 5 consecutive sampling points_iIs the current value, tc, of the 5 th sampling point of the 5 consecutive sampling points_iIs the sampling time of the 5 th sampling point in the 5 consecutive sampling points.

4. The satellite battery characteristic data acquisition method according to claim 2, wherein after the node type of the target sampling point is determined to be a ghost starting node, the method further comprises:

adding 1 to the number L1 of the shadow-feeding starting nodes;

subtracting 1 from L1 when any one of the number L2 of the shading end nodes, the number L3 of the shading start nodes, the number L4 of the shading end nodes, the number L5 of the large-current charging end nodes, and the number L6 of the trickle charging end nodes is greater than the number L1 of the shading start nodes;

the acquiring of the charging capacity of the satellite storage battery according to the current data of the satellite storage battery comprises the following steps:

and acquiring the charging capacity of the satellite storage battery according to the satellite storage battery current data and the L1.

5. The method for acquiring the characteristic data of the satellite storage battery according to claim 2, wherein the step of determining the node type of the target sampling point as a high-current charging end node according to the current change characteristic data of the target sampling point comprises the following steps:

when a high-current charging end condition 1, a high-current charging end condition 2 and a high-current charging end condition 3 are met, determining the node type of the target sampling point as the high-current charging end node;

when the high-current charging end condition 1, the high-current charging end condition 2 and the high-current charging end condition 4 are met, and the high-current charging end condition 3 is not met, determining the node type of the target sampling point as a high-current charging end node;

the large-current charge end 1 includes: 2.5A < xc_i-3＜8.0A、5.0A＜xc_i-2< 8.0A and 5.0A < xc_i-1＜8.0A；

The high-current charge end condition 2 includes: 0.0A < xc_i< 0.4A or 2.0A < xc_i＜4.0A；

The high-current charge end condition 3 includes: is less than or equal to 500s and is more than or equal to | tc_i-1-tc_L3-1I and | tc_i-1-tc_L3-1|≤40000s；

The high-current charge end condition 4 includes: | tc_i-1-tc_L3-185000s | ≦ L4 ≠ L5 and L5 ≠ 1;

wherein, xc_i-3Is the current value, xc, of the 2 nd sampling point in the 5 consecutive sampling points_i-2For the continuous 5 sampling pointsCurrent value of the 3 rd sampling point, tc_i-2Is the sampling time, xc of the 3 rd sampling point of the 5 consecutive sampling points_i-1The current value tc of the 4 th sampling point in the 5 continuous sampling points, namely the target sampling point_i-1Is the sampling time, xc, of the target sampling point_iIs the current value, tc, of the 5 th sampling point of the 5 consecutive sampling points_iIs the sampling time, tc, of the 5 th sampling point of the 5 consecutive sampling points_L3-1The sampling time of a shadow start node before the target sampling point is shown, the L4 is the number of shadow end nodes before the target sampling point, and the L5 is the number of large current charging end nodes before the target sampling point.

6. The satellite storage battery characteristic data acquisition method according to claim 5, wherein after the node type of the target sampling point is determined to be the high-current charging end node, the method further comprises:

adding 1 to the number L5 of the large-current charging end nodes;

when any one of the number L1 of the shading start nodes, the number L2 of the shading end nodes, the number L3 of the shading start nodes, and the number L4 of the shading end nodes is smaller than the L5, 1 is added to the L5.

and acquiring the charging capacity of the satellite storage battery according to the satellite storage battery current data and the L5.

7. The satellite storage battery characteristic data acquisition method according to claim 2, wherein the determining that the node type of the target sampling point is the high-current discharge start node according to the current change characteristic data of the target sampling point comprises:

when a high-current discharge starting condition 1, a high-current discharge starting condition 2 and a high-current discharge starting condition 3 are met, determining the node type of the target sampling point as a high-current discharge starting node;

the imaging condition 1 includes: 0.1 A.ltoreq.xf_i-3≤0.0A、-0.1A≤xf_i-2≤-5·I_FS、-0.1A≤xf_i-1≤-5·I_FS、-40.0A＜xf_i＜-0.1A、|xf_i-1-xf_i|≥0.1A、xf_i＜xf_i-1、xf_i-1≤xf_i-2And xf_i+2≤xf_i-3；

The imaging condition 2 includes: l tf_i-1-tf_i|＜20s、0.1A≤|xf_i-1-xf_iLess than or equal to 5.0A, or | xf_i-1-xf_i|≥5.0A

The image advancing condition 3 comprises: l tf_i-1-tf_L11-1|＞20000s；

Wherein, xf_i-3Is the current value of the 2 nd sampling point in the 5 continuous sampling points, tf_i-3Is the sampling time, xf of the 2 nd sample point of the 5 consecutive sample points_i-2For the current value of the 3 rd sampling point in the 5 continuous sampling points, tf_i-2Is the sampling time of the target sampling point, xf_i-1The current value tf of the 4 th sampling point in the 5 continuous sampling points, namely the target sampling point_i-1Sampling time, xf for the target sample point_iIs the current value of the 5 th sampling point in the 5 continuous sampling points, tf_iIs the sampling time, I, of the 5 th sampling point of the 5 consecutive sampling points_FS＝0.00001A，tf_L11-1And the sampling time is the sampling time of a high-current discharge starting node before the target sampling point.

8. The satellite storage battery characteristic data acquisition method according to claim 2, wherein the determining that the node type of the target sampling point is a high-current discharge end node according to the current change characteristic data of the target sampling point comprises:

when-40A is less than or equal to xf_i-3≤-5·I_FS、-0.1A≤xf_i-2≤0.0A、-0.1A≤xf_i-1≤0.0A、-0.1A≤xf_i≤0.0A、xf_i-3-0.1A, determining the target sampling pointThe node type is the high-current discharge end node;

wherein, xf_i-3Is the current value of the 2 nd sampling point in the 5 continuous sampling points, xf_i-2The current value xf of the 3 rd sampling point in the continuous 5 sampling points, namely the target sampling point_i-1Is the current value of the 4 th sampling point in the 5 continuous sampling points, xf_iIs the current value of the 5 th sampling point in the 5 continuous sampling points, tf_iIs the sampling time of the 5 th sampling point in the 5 consecutive sampling points.

9. A satellite battery characteristic data acquisition apparatus, comprising:

the current change characteristic data acquisition module is used for determining at least one target sampling point in the satellite storage battery current data, and acquiring current change characteristic data of the target sampling point according to current values of continuous 5 sampling points of the target sampling point and sampling time of the continuous 5 sampling points in the satellite storage battery current data, wherein the current change characteristic data comprises a difference value of the current value of each sampling point in the continuous 5 sampling points and current values of other sampling points in the continuous 5 sampling points, and a difference value of the current value of each sampling point in the continuous 5 sampling points and sampling time of other sampling points in the continuous 5 sampling points;

and the satellite storage battery characteristic data acquisition module is used for acquiring satellite storage battery characteristic data according to the node type and the satellite storage battery current data, wherein the satellite storage battery characteristic data comprises at least one of the charging electric quantity of the satellite storage battery, the discharging electric quantity of the satellite storage battery and the peak current data of the satellite storage battery in the whole life cycle.

10. A satellite battery characteristic data acquisition apparatus, comprising:

a processor;

a memory for storing processor-executable instructions;

wherein the processor is configured to: