CN112684354B

CN112684354B - Satellite storage battery characteristic data acquisition method and device

Info

Publication number: CN112684354B
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: 2023-10-20
Anticipated expiration: 2040-12-10
Also published as: CN112684354A

Abstract

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

Background

Satellites are devices that are launched into space by space vehicles, such as rockets, space shuttles, etc., that orbit 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 acquire the state of the satellite. According to the acquired satellite storage battery current data, the satellite storage battery current data can be manually processed to acquire corresponding state data of the satellite, such as the electric quantity of a battery, and the like, so that improvement of management of the satellite is facilitated.

Along with the development of science and technology, the functions of the in-orbit satellite are more and more abundant, and the matched transceiver, transmission channel and the like are also gradually complicated, so that satellite storage battery current data are more complicated, the data size of the satellite storage battery current data is faster to increase, and the limit of manual processing is exceeded, so that the efficiency of manually processing the satellite storage battery current data is greatly reduced, the reliability of satellite management according to the satellite storage battery current data 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 satellite storage battery feature data acquisition method and apparatus. The technical proposal 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 current values of continuous 5 sampling points including 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 includes a difference value of the current value of each sampling point of the continuous 5 sampling points and current values of other sampling points of the continuous 5 sampling points, and a difference value of the current value of each sampling point of the continuous 5 sampling points and sampling time of other sampling points of 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;

satellite storage battery characteristic data are obtained according to the node type and satellite storage battery current data, and the satellite storage battery characteristic data comprise at least one of satellite storage battery charging quantity, satellite storage battery discharging quantity and peak current data in the whole service life period of the satellite storage battery.

In one embodiment, acquiring satellite battery characteristic data from the node type and satellite battery current data includes:

when the node type of the target sampling point is determined to be a shadow entering start node or a heavy current charging end 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;

and/or when the node type of the target sampling point is determined to be a heavy current discharge start node or a heavy current discharge end 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 the midpoint node of the maximum charging current value of the large current, the midpoint node of the maximum charging current value of the supplement or the ending node of the maximum discharging current extreme value 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 the shadow start node according to the current change characteristic data of the target sampling point includes:

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

the image entering 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 is _i-4 For the current value of the 1 st sampling point of the continuous 5 sampling points, tc _i-4 For sampling time xc of 1 st sampling point of continuous 5 sampling points _i-3 For the current value of the 2 nd sampling point of the continuous 5 sampling points, tc _i-3 For sampling time xc of the 2 nd sampling point of the continuous 5 sampling points _i-2 For the current value, tc, of the 3 rd sampling point, i.e. the target sampling point, of the continuous 5 sampling points _i-2 For sampling time, xc of target sampling point _i-1 For the current value of the 4 th sampling point of the continuous 5 sampling points, tc _i-1 For sampling time xc of 4 th sampling point of continuous 5 sampling points _i For the current value of the 5 th sampling point of the continuous 5 sampling points, tc _i Is the sampling time of the 5 th sampling point in the continuous 5 sampling points.

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

adding 1 to the number L1 of the shadow-entering start nodes;

subtracting 1 from L1 when any one of the number L2 of the shadow entering end nodes, the number L3 of the shadow exiting start nodes, the number L4 of the shadow exiting end nodes, the number L5 of the heavy current charging end nodes and the number L6 of the trickle charging end nodes is larger than the number L1 of the shadow entering start nodes;

Acquiring satellite storage battery charging quantity according to satellite storage battery current data, including:

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

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

when the heavy current charging end condition 1, the heavy current charging end condition 2 and the heavy current charging end condition 3 are met, determining that the node type of the target sampling point is a heavy current charging end node;

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

the high-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: 500s is less than or equal to |tc _i-1 -tc _L3-1 I and I tc _i-1 -tc _L3-1 |≤40000s；

The high-current charge end condition 4 includes: i tc _i-1 -tc _L3-1 85000s, l4=l5 and l5+.1;

wherein xc is _i-3 For the current value, xc of the 2 nd sampling point of the 5 consecutive sampling points _i-2 For the current value of the 3 rd sampling point of the continuous 5 sampling points, tc _i-2 For 5 consecutive sampling pointsSampling time, xc, of the 3 rd sampling point in (3) _i-1 For the current value, tc, of the 4 th sampling point of the continuous 5 sampling points, namely the target sampling point _i-1 For sampling time, xc of target sampling point _i For the current value of the 5 th sampling point of the continuous 5 sampling points, tc _i For the sampling time, tc, of the 5 th sampling point of the continuous 5 sampling points _L3-1 For the sampling time of a shadow starting node before a target sampling point, L4 is the number of shadow ending nodes before the target sampling point, and L5 is the number of heavy current charging ending nodes before the target sampling point.

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

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

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

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

In one embodiment, determining the node type of the target sampling point as the heavy current discharge start 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 that the node type of the target sampling point is a high-current discharge starting node;

the high-current discharge start 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-2 And xf _i+2 ≤xf _i-3 ；

Heavy current discharge start condition 2Comprising the following steps: |tf _i-1 -tf _i |<20s、0.1A≤|xf _i-1 -xf _i The value of the absolute value is less than or equal to 5.0A, or the absolute value of the absolute value is xf _i-1 -xf _i |≥5.0A

The high-current discharge start condition 3 includes: |tf _i-1 -tf _L11-1 |>20000s；

Wherein xf _i-3 For the current value tf of the 2 nd sampling point of the continuous 5 sampling points _i-3 For sampling time, xf, of the 2 nd sampling point of the consecutive 5 sampling points _i-2 For the current value tf of the 3 rd sampling point of the continuous 5 sampling points _i-2 Xf is the sampling time of the target sampling point _i-1 For the current value tf of the 4 th sampling point of the continuous 5 sampling points, namely the target sampling point _i-1 For the sampling time of the target sampling point, xf _i For the current value tf of the 5 th sampling point of the continuous 5 sampling points _i For the sampling time of the 5 th sampling point in the continuous 5 sampling points, I _FS ＝0.00001A，tf _L11-1 The sampling time of the high-current discharge start node is one before the target sampling point.

In one embodiment, determining the node type of the target sampling point as the heavy 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-3 When the current is less than-0.1A, determining the node type of the target sampling point as a heavy current discharge end node;

wherein, xf _i-3 Xf for the current value of the 2 nd sampling point of the continuous 5 sampling points _i-2 For the current value of the 3 rd sampling point, namely the target sampling point, in the continuous 5 sampling points, xf _i-1 For the current value of the 4 th sampling point in the continuous 5 sampling points, xf _i For the current value tf of the 5 th sampling point of the continuous 5 sampling points _i Is the sampling time of the 5 th sampling point in the continuous 5 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 storage battery characteristic data acquisition device, characterized by comprising:

the satellite storage battery current data acquisition module is used for 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;

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 points according to current values of continuous 5 sampling points including the target sampling points and sampling time of the continuous 5 sampling points in the satellite storage battery current data, wherein the current change characteristic data comprises differential values of the current value of each sampling point of the continuous 5 sampling points and the current values of other sampling points of the continuous 5 sampling points, and differential values of the current value of each sampling point of the continuous 5 sampling points and the sampling time of the other sampling points of 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 satellite storage battery current data, wherein the satellite storage battery characteristic data comprises at least one of satellite storage battery charging quantity, satellite storage battery discharging quantity and peak current data in the whole service life period of the satellite storage battery.

According to a third 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 includes:

a processor;

a memory for storing processor-executable instructions;

wherein the processor is configured to:

According to the technical scheme provided by the embodiment of the disclosure, at least one target sampling point is determined in satellite storage battery current data by acquiring the satellite storage battery current data comprising current values of a plurality of sampling points and sampling time of each sampling point, and current change characteristic data of the target sampling point is acquired according to the current values of continuous 5 sampling points and the sampling time of 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 of the continuous 5 sampling points and the current value of other sampling points of the continuous 5 sampling points, and a difference value of the current value of each sampling point of the continuous 5 sampling points and the sampling time of the other sampling points of the continuous 5 sampling points, and the current change characteristic data can accurately describe 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; satellite storage battery characteristic data are obtained according to the node type and satellite storage battery current data, and the satellite storage battery characteristic data comprise at least one of satellite storage battery charging quantity, satellite storage battery discharging quantity and peak current data in the whole service life period of the satellite storage battery. According to the scheme, on the premise that manual processing is not needed, at least one of satellite storage battery charging capacity, satellite storage battery discharging capacity and peak current data in the whole service life period of the satellite storage battery is automatically obtained according to the satellite storage battery current data, so that the processing efficiency of the satellite storage battery current data is improved, the reliability of satellite management according to the satellite storage battery current data 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 disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a flow chart diagram illustrating a satellite battery feature data acquisition method according to an exemplary embodiment;

FIG. 2 is a flow chart diagram illustrating a satellite battery feature data acquisition method according to an exemplary embodiment;

FIG. 3 is a schematic diagram of a satellite battery characteristic data acquisition device according to 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 exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.

With the development of technology, the number of in-orbit satellites is gradually increased, and the service life of the satellites is prolonged. With this, satellite battery current data acquired by the ground control terminal increases rapidly, and the number of parameters in the satellite battery current data increases to several hundred or even tens of thousands. Meanwhile, the functions of the on-orbit satellite are more and more abundant, and the matched receiving and transmitting equipment, transmission channels and the like are gradually complicated. Accordingly, the larger the current data of the satellite storage battery is, the more the current data of the satellite storage battery is generally, and the data size is up to 574MB by taking the sampling data of a certain high-orbit satellite north storage battery for 1 year as an example, when the satellite storage battery is manually processed to obtain the corresponding state data of the satellite, the limit of manual processing is often exceeded, so that the efficiency of manually processing the current data of the satellite storage battery is greatly reduced, the reliability of the satellite management according to the current data of the satellite storage battery is reduced, and the user experience is damaged.

In order to solve the above-mentioned problems, in the technical solution provided in the embodiments of the present disclosure, by acquiring satellite battery current data including 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 battery current data, and acquiring current change feature data of the target sampling point according to current values of consecutive 5 sampling points including the target sampling point and sampling time of consecutive 5 sampling points in the satellite battery current data, wherein the current change feature data includes a difference value of the current value of each sampling point of consecutive 5 sampling points and the current value of other sampling points of consecutive 5 sampling points, and a difference value of the current value of each sampling point of consecutive 5 sampling points and sampling time of other sampling points of consecutive 5 sampling points, the current change feature data can accurately characterize the current change feature of the target sampling point and its nearby sampling points, so that a node type of the target sampling point can be determined according to the current change feature data of the target sampling point; satellite storage battery characteristic data are obtained according to the node type and satellite storage battery current data, and the satellite storage battery characteristic data comprise at least one of satellite storage battery charging quantity, satellite storage battery discharging quantity and peak current data in the whole service life period of the satellite storage battery. According to the scheme, on the premise that manual processing is not needed, at least one of satellite storage battery charging quantity, satellite storage battery discharging quantity and peak current data in the whole service life period of the satellite storage battery is automatically obtained according to the satellite storage battery current data, so that the processing efficiency of the satellite storage battery current data is improved, the reliability of satellite management according to the satellite storage battery current data is improved, and the user experience is improved.

An embodiment of the present disclosure provides a satellite storage battery feature data acquisition method, and fig. 1 is a flowchart of the satellite storage battery feature data acquisition method according to an exemplary embodiment, and as shown in fig. 1, the method includes steps 101 to 103 as follows:

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

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

For example, the target year information and the target satellite identification may be preset, or 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 a plurality of satellites are stored in advance on the ground, the data stored in advance on the ground may be divided according to the satellite identifications of the plurality of satellites and the annual information of the plurality of satellites to obtain satellite battery current data, where 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 terminal includes multiple parameters, the data stored in advance on the ground terminal may be further divided according to the satellite identifications of the multiple satellites, the annual information of the multiple years, and the parameter information of the multiple parameters to obtain satellite storage battery current data, where the obtained satellite storage battery current data includes a single parameter of a single satellite, and the collection 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. At least one target sampling point is determined in the satellite storage battery current data, and current change characteristic data of the target sampling point are obtained according to current values of continuous 5 sampling points including the target sampling point in the satellite storage battery current data and sampling time of the continuous 5 sampling points.

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

Exemplary node types for the target sampling point include a shadow start node, a high current charge end node, a high current discharge start node, a high current discharge end node, a high current charge maximum current value midpoint node, a supplemental charge maximum current value midpoint node, and a high current discharge extremum 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 comprise at least one of satellite storage battery charging electric quantity, satellite storage battery discharging electric quantity and peak current data in the whole service life period of the satellite storage battery.

For example, the corresponding algorithm may be obtained according to the node type, and the calculation may be performed according to the current value corresponding to each of the 5 continuous sampling points in the satellite battery current data and the sampling time corresponding to each of the 5 continuous sampling points, so as to obtain at least one of the satellite battery charging electric quantity, the satellite battery discharging electric quantity, and the peak current data in the whole life cycle of the satellite battery.

According to the technical scheme provided by the embodiment of the disclosure, at least one target sampling point is determined in satellite storage battery current data by acquiring the satellite storage battery current data comprising current values of a plurality of sampling points and sampling time of each sampling point, and current change characteristic data of the target sampling point is acquired according to the current values of continuous 5 sampling points and the sampling time of 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 of the continuous 5 sampling points and the current value of other sampling points of the continuous 5 sampling points, and a difference value of the current value of each sampling point of the continuous 5 sampling points and the sampling time of the other sampling points of the continuous 5 sampling points, and the current change characteristic data can accurately describe 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; satellite storage battery characteristic data are obtained according to the node type and satellite storage battery current data, and the satellite storage battery characteristic data comprise at least one of satellite storage battery charging quantity, satellite storage battery discharging quantity and peak current data in the whole service life period of the satellite storage battery. According to the scheme, on the premise that manual processing is not needed, at least one of satellite storage battery charging quantity, satellite storage battery discharging quantity and peak current data in the whole service life period of the satellite storage battery is automatically obtained according to the satellite storage battery current data, so that the processing efficiency of the satellite storage battery current data is improved, the reliability of satellite management according to the satellite storage battery current data is improved, and the user experience is improved.

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

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

1042. And when the node type of the target sampling point is determined to be a heavy current discharge start node or a heavy current discharge end 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.

1043. And when the node type of the target sampling point is determined to be a midpoint node of the maximum current charging value, a midpoint node of the maximum current charging value or an ending node of the maximum current discharging extreme value 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.

Illustratively, determining the node type of the target sampling point as the shadow start node according to the current change characteristic data of the target sampling point includes:

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

adding 1 to the number L1 of the shadow-entering start nodes; when any one of the number L2 of the image entering end nodes, the number L3 of the image exiting start nodes, the number L4 of the image exiting end nodes, the number L5 of the large-current charging end nodes and the number L6 of the trickle charging end nodes is larger than the number L1 of the image entering start nodes, the number L1 is reduced by 1.

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

Illustratively, determining that the node type of the target sampling point is the heavy current charging end node according to the current change characteristic data of the target sampling point includes:

wherein xc is _i-3 For the current value, xc of the 2 nd sampling point of the 5 consecutive sampling points _i-2 For the current value of the 3 rd sampling point of the continuous 5 sampling points, tc _i-2 For sampling time xc of 3 rd sampling point of continuous 5 sampling points _i-1 For the current value, tc, of the 4 th sampling point of the continuous 5 sampling points, namely the target sampling point _i-1 For sampling time, xc of target sampling point _i For the current value of the 5 th sampling point of the continuous 5 sampling points, tc _i For the sampling time, tc, of the 5 th sampling point of the continuous 5 sampling points _L3-1 For the sampling time of a shadow starting node before a target sampling point, L4 is the number of shadow ending nodes before the target sampling point, and L5 is the number of heavy current charging ending 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 heavy current charging end nodes; when any one of the number L1 of the image entering start nodes, the number L2 of the image entering end nodes, the number L3 of the image exiting start nodes and the number L4 of the image exiting end nodes is smaller than L5, 1 is added to L5. The satellite storage battery charging capacity can be obtained according to the satellite storage battery current data and the satellite storage battery charging capacity obtained by L5.

Illustratively, determining that the node type of the target sampling point is a heavy current discharge start node according to the current change characteristic data of the target sampling point includes:

the high-current discharge start 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-2 And xf _i+2 ≤xf _i-3 ；

The high-current discharge start condition 2 includes: |tf _i-1 -tf _i |＜20s、0.1A≤|xf _i-1 -xf _i The value of the absolute value is less than or equal to 5.0A, or the absolute value of the absolute value is xf _i-1 -xf _i |≥5.0A

Illustratively, determining that the node type of the target sampling point is the heavy current discharge end node according to the current change characteristic data of the target sampling point includes:

Acquiring satellite storage battery charging electric quantity according to satellite storage battery current data 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 current change characteristic data of the target sampling point; and/or when the node type of the target sampling point is determined to be a heavy current discharge start node or a heavy current discharge end 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 the midpoint node of the maximum charging current value, the midpoint node of the maximum charging current value or the end node of the maximum discharging current limit according to the current change 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 when the current data of the satellite storage battery is processed can be reduced, the speed for obtaining at least one of the charge capacity of the satellite storage battery, the discharge capacity 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 device embodiments of the present disclosure that may be used to perform method embodiments of the present disclosure.

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

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

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

The node type determining module 203 is configured to determine a node type of the target sampling point according to the current variation characteristic data of the target sampling point.

The satellite battery characteristic data obtaining module 204 is configured to obtain satellite battery characteristic data according to the node type and satellite battery current data, where the satellite battery characteristic data includes at least one of satellite battery charge amount, satellite battery discharge amount, and peak current data in a total life cycle of the satellite battery.

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 comprising 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 current values of continuous 5 sampling points and the sampling time of continuous 5 sampling points in the satellite storage battery current data, wherein the current change characteristic data comprises differential values 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 differential values 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 delineate the current change characteristics of the target sampling point and nearby sampling points, so that node types of the target sampling point can be determined according to the current change characteristic data of the target sampling point; satellite storage battery characteristic data are obtained according to the node type and satellite storage battery current data, and the satellite storage battery characteristic data comprise at least one of satellite storage battery charging quantity, satellite storage battery discharging quantity and peak current data in the whole service life period of the satellite storage battery. According to the scheme, on the premise that manual processing is not needed, at least one of satellite storage battery charging quantity, satellite storage battery discharging quantity and peak current data in the whole service life period of the satellite storage battery is automatically obtained according to the satellite storage battery current data, so that the processing efficiency of the satellite storage battery current data is improved, the reliability of satellite management according to the satellite storage battery current data is improved, and the user experience is improved.

Fig. 4 is a block diagram illustrating a satellite battery feature data obtaining apparatus 30 according to an exemplary embodiment, where the satellite battery feature data obtaining apparatus 30 may be a terminal or may be a part of a terminal, and the satellite battery feature data obtaining 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, satellite battery characteristic data is obtained according to the node type and satellite battery current data, the satellite battery characteristic data including at least one of satellite battery charge, satellite battery discharge, and satellite battery full life cycle peak current data, including:

the image entering 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；

Adding 1 to the number L1 of the shadow-entering start nodes;

the high-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；

wherein xc is _i-3 For the current value, xc of the 2 nd sampling point of the 5 consecutive sampling points _i-2 For the current value of the 3 rd sampling point of the continuous 5 sampling points, tc _i-2 For sampling time xc of 3 rd sampling point of continuous 5 sampling points _i-1 For the current value, tc, of the 4 th sampling point of the continuous 5 sampling points, namely the target sampling point _i-1 For sampling time, xc of target sampling point _i For 5 th of 5 consecutive sampling pointsCurrent value of sampling point, tc _i For the sampling time, tc, of the 5 th sampling point of the continuous 5 sampling points _L3-1 For the sampling time of a shadow starting node before a target sampling point, L4 is the number of shadow ending nodes before the target sampling point, and L5 is the number of heavy current charging ending nodes before the target sampling point.

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

the high-current discharge start 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-2 And xf _i+2 ≤xf _i-3 ；

The high-current discharge start condition 2 includes: |tf _i-1 -tf _i |<20s、0.1A≤|xf _i-1 -xf _i The value of the absolute value is less than or equal to 5.0A, or the absolute value of the absolute value is xf _i-1 -xf _i |≥5.0A

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 adaptations, 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 is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected 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, comprising:

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 including 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 includes difference values of current values of each sampling point of the continuous 5 sampling points and current values of other sampling points of the continuous 5 sampling points and difference values of current values of each sampling point of the continuous 5 sampling points and sampling time of other sampling points of the continuous 5 sampling points;

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 satellite storage battery charging quantity, satellite storage battery discharging quantity and satellite storage battery peak current data in a whole life cycle;

the obtaining satellite storage battery characteristic data according to the node type and the satellite storage battery current data comprises the following steps:

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, acquiring the satellite storage battery charging electric quantity according to the satellite storage battery current data;

and/or when the node type of the target sampling point is determined to be a heavy current discharge start node or a heavy current discharge end 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 satellite storage battery current data;

and/or when the node type of the target sampling point is determined to be a midpoint node of the maximum current charging value, a midpoint node of the maximum current charging value or an ending node of the maximum current discharging extreme value 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.

2. The method for acquiring satellite storage battery feature data according to claim 1, wherein determining the node type of the target sampling point as the shadow-entering start node according to the current variation feature data of the target sampling point comprises:

when the shadow entering starting condition 1 or the shadow entering starting condition 2 is met, determining the node type of the target sampling point as a shadow entering starting node;

Wherein xc is _i-4 A current value tc for the 1 st sampling point of the continuous 5 sampling points _i-4 For the sampling time, xc, of the 1 st sampling point of the continuous 5 sampling points _i-3 For the current value, tc, of the 2 nd sampling point of the continuous 5 sampling points _i-3 For the sampling time xc of the 2 nd sampling point in the continuous 5 sampling points _i-2 For the 3 rd sample of the consecutive 5 sample pointsThe point is the current value of the target sampling point, tc _i-2 Xc is the sampling time of the target sampling point _i-1 A current value tc for the 4 th sampling point of the continuous 5 sampling points _i-1 For the sampling time xc of the 4 th sampling point in the continuous 5 sampling points _i A current value tc for the 5 th sampling point of the continuous 5 sampling points _i And the sampling time of the 5 th sampling point in the continuous 5 sampling points.

3. The method according to claim 1, wherein after the determining that the node type of the target sampling point is a shadow start node, the method further comprises:

adding 1 to the number L1 of the shadow entering start nodes;

the obtaining the satellite storage battery charging quantity according to the satellite storage battery current data comprises the following steps:

and acquiring the satellite storage battery charging electric quantity according to the satellite storage battery current data and the L1.

4. The method for acquiring the satellite storage battery characteristic data according to claim 1, wherein the determining that the node type of the target sampling point is the high-current charging end node according to the current change characteristic data of the target sampling point comprises:

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

When the high-current charge ending condition 1, the high-current charge ending condition 2 and the high-current charge ending condition 4 are met and the high-current charge ending condition 3 is not met, determining the node type of the target sampling point as the high-current charge ending node;

wherein xc is _i-3 For the current value, xc of the 2 nd sampling point in the continuous 5 sampling points _i-2 A current value tc for the 3 rd sampling point of the continuous 5 sampling points _i-2 For the sampling time xc of the 3 rd sampling point of the continuous 5 sampling points _i-1 For the current value, tc, of the 4 th sampling point of the continuous 5 sampling points, namely the target sampling point _i-1 Xc is the sampling time of the target sampling point _i A current value tc for the 5 th sampling point of the continuous 5 sampling points _i For the sampling time, tc, of the 5 th sampling point of the continuous 5 sampling points _L3-1 And for the sampling time of one shadow-discharging start node before the target sampling point, L4 is the number of shadow-discharging end nodes before the target sampling point, and L5 is the number of heavy-current charging end nodes before the target sampling point.

5. The satellite storage battery characteristic data acquisition method according to claim 4, wherein after the determination that the node type of the target sampling point is the high-current charge end node, the method further comprises:

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

when any one of the number L1 of the image entering start nodes, the number L2 of the image entering end nodes, the number L3 of the image exiting start nodes and the number L4 of the image exiting end nodes is smaller than L5, adding 1 to L5;

and acquiring the satellite storage battery charging electric quantity according to the satellite storage battery current data and the L5.

6. The method for acquiring satellite storage battery characteristic data according to claim 1, wherein determining that the node type of the target sampling point is a heavy current discharge start node according to the current change characteristic data of the target sampling point comprises:

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 the high-current discharge starting node;

The high-current discharge start condition 3 includes: |tf _i-1 -tf _L11-1 |＞20000s；

Wherein xf _i-3 For the current value of the 2 nd sampling point in the continuous 5 sampling points, tf _i-3 For the sampling time, xf, of the 2 nd sampling point of the continuous 5 sampling points _i-2 For the 3 rd sampling point current value, tf of the continuous 5 sampling points _i-2 Xf for the sampling time of the target sampling point _i-1 For the 4 th sampling point of the continuous 5 sampling points, namely the target samplingThe current value of the point tf _i-1 Sampling time, xf for the target sampling point _i For the current value tf of the 5 th sampling point in the continuous 5 sampling points _i For the sampling time of the 5 th sampling point in the continuous 5 sampling points, I _FS ＝0.00001A，tf _L11-1 And the sampling time of a high-current discharge starting node is one time before the target sampling point.

7. The method for acquiring satellite storage battery characteristic data according to claim 1, wherein determining that the node type of the target sampling point is a heavy 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 When the current is less than-0.1A, determining the node type of the target sampling point as the high-current discharge end node;

Wherein, xf _i-3 Xf for the current value of the 2 nd sampling point in the continuous 5 sampling points _i-2 For the current value xf of the 3 rd sampling point of the continuous 5 sampling points, namely the target sampling point _i-1 For the current value of the 4 th sampling point in the continuous 5 sampling points, xf _i For the current value tf of the 5 th sampling point in the continuous 5 sampling points _i And the sampling time of the 5 th sampling point in the continuous 5 sampling points.

8. A satellite storage battery characteristic data acquisition device, 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 including the target sampling point in the satellite storage battery current data and sampling time of the continuous 5 sampling points, wherein the current change characteristic data includes a difference value of a current value of each sampling point of the continuous 5 sampling points and current values of other sampling points of the continuous 5 sampling points and a difference value of a current value of each sampling point of the continuous 5 sampling points and sampling time of other sampling points of the continuous 5 sampling points;

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 satellite storage battery charging quantity, satellite storage battery discharging quantity and peak current data in a whole service life period of the satellite storage battery;

the satellite storage battery characteristic data acquisition module is used for:

9. A satellite storage battery characteristic data acquisition device, comprising:

a processor;

a memory for storing processor-executable instructions;

wherein the processor is configured to: