Electronic device and current correction method therefor

Abstract

A current correction method performed by an electronic device, according to one embodiment of the present disclosure, may comprise the operations of: acquiring state data related to the state of a battery disposed in a plurality of vehicles and charging data related to charging; extracting a reference current value of the battery under a designated condition on the basis of the state data and the charging data; and correcting, on the basis of the reference current value, a battery current value of the battery disposed in at least one vehicle from among the plurality of vehicles under the designated condition.

Description

Electronic device and method for compensating its current

[0001] This application claims the benefit of priority to Republic of Korea Patent Application No. 2024-0087623, filed July 3, 2024, the entire contents of which are incorporated herein by reference.

[0002] Embodiments disclosed in this document relate to an electronic device and a current compensation method thereof.

[0003] Recently, research and development on secondary batteries has been actively conducted. Here, secondary batteries are rechargeable and include both conventional Ni / Cd and Ni / MH batteries, as well as recent lithium-ion batteries. Among secondary batteries, lithium-ion batteries have the advantage of having a much higher energy density than conventional Ni / Cd and Ni / MH batteries. Furthermore, lithium-ion batteries can be manufactured in a compact and lightweight form, making them suitable for use as power sources for mobile devices. Recently, their use has expanded to include power sources for electric vehicles, attracting attention as a next-generation energy storage medium.

[0004] The status and operation of a battery can be managed and controlled by a battery management system (BMS). The BMS can be included with the battery within a single device.

[0005] These battery management systems can use sensors to obtain battery status values ​​(e.g., voltage, current, temperature, etc.). Meanwhile, battery current sensors can experience offset deviations due to mass production, temperature increases during vehicle operation, and performance degradation, which can reduce battery current measurement accuracy. Therefore, to obtain accurate battery current values, a current compensation method capable of compensating for the offset deviation of the current sensor is required.

[0006] According to one embodiment of the present disclosure, an electronic device and a current compensation method thereof can be provided that can compensate for an offset deviation of a current sensor by correcting a current value of a battery acquired by a vehicle based on charge data and status data of the battery.

[0007] According to one embodiment of the present disclosure, an electronic device and a current correction method thereof can be provided that can improve the accuracy of current collection data by correcting the current value of a battery by extracting the most frequent current value under a specific condition of the battery as a reference value.

[0008] The technical problems to be solved by the embodiments of the present disclosure are not limited to the technical problems described above, and other technical problems can be inferred from the following embodiments.

[0009] A current compensation method performed by an electronic device according to one embodiment of the present disclosure may include an operation of acquiring state data related to a state of a battery disposed in a plurality of vehicles and charge data related to charging, an operation of extracting a reference current value at a specified condition of the battery based on the state data and the charge data, and an operation of compensating a battery current value at the specified condition of a battery disposed in at least one of the plurality of vehicles based on the reference current value.

[0010] In a current compensation method performed by an electronic device according to an embodiment of the present disclosure, the status data may include current data and temperature data of a battery acquired by a battery management system included in the plurality of vehicles.

[0011] In a current compensation method performed by an electronic device according to an embodiment of the present disclosure, the charging data may include charging current data obtained by a charging management system included in the plurality of vehicles.

[0012] In a current compensation method performed by an electronic device according to one embodiment of the present disclosure, the specified condition may be a condition corresponding to a specified battery temperature value and a specified charging current value.

[0013] In a current compensation method performed by an electronic device according to an embodiment of the present disclosure, the operation of extracting the reference current value may include an operation of extracting a plurality of battery current values ​​corresponding to the specified battery temperature value and the specified charging current value based on the current data, the temperature data, and the charging current data, and an operation of extracting the reference current value based on the plurality of battery current values.

[0014] In a current compensation method performed by an electronic device according to an embodiment of the present disclosure, the operation of extracting the reference current value may include an operation of extracting a mode among the plurality of battery current values ​​as the reference current value.

[0015] A current compensation method performed by an electronic device according to one embodiment of the present disclosure further includes an operation of extracting a plurality of reference current values ​​in a plurality of conditions of a battery based on the state data and the charge data, and an operation of compensating a plurality of battery current values ​​in the plurality of conditions of a battery disposed in the at least one vehicle based on the plurality of reference current values, wherein the number of the plurality of conditions may be N * M, which is obtained by multiplying N (where N is a natural number) which is the number of a plurality of battery temperature values ​​included in the state data and M (where M is a natural number) which is the number of a plurality of charge current values ​​included in the charge data.

[0016] An electronic device according to one embodiment of the present disclosure includes a communication circuit and a processor operatively connected to the communication circuit, wherein the processor obtains, by using the communication circuit, state data related to a state of a battery disposed in a plurality of vehicles and charge data related to charging, and extracts a reference current value at a specified condition of the battery based on the state data and the charge data, and corrects, based on the reference current value, a battery current value at the specified condition of a battery disposed in at least one of the plurality of vehicles.

[0017] In an electronic device according to one embodiment of the present disclosure, the status data may include current data and temperature data of a battery obtained by a battery management system included in the plurality of vehicles.

[0018] In an electronic device according to one embodiment of the present disclosure, the charging data may include charging current data obtained by a charging management system included in the plurality of vehicles.

[0019] In an electronic device according to an embodiment of the present disclosure, the specified condition may be a condition corresponding to a specified battery temperature value and a specified charging current value.

[0020] In an electronic device according to one embodiment of the present disclosure, the processor may extract a plurality of battery current values ​​corresponding to the specified battery temperature value and the specified charging current value based on the current data, the temperature data, and the charging current data, and may extract the reference current value based on the plurality of battery current values.

[0021] In an electronic device according to one embodiment of the present disclosure, the processor can extract a mode among the plurality of battery current values ​​as the reference current value.

[0022] In an electronic device according to an embodiment of the present disclosure, the processor extracts a plurality of reference current values ​​in a plurality of conditions of a battery based on the status data and the charging data, and corrects a plurality of battery current values ​​in the plurality of conditions of a battery disposed in the at least one vehicle based on the plurality of reference current values, and the number of the plurality of conditions may be N * M, which is the product of N (where N is a natural number) which is the number of a plurality of battery temperature values ​​included in the status data and M (where M is a natural number) which is the number of a plurality of charging current values ​​included in the charging data.

[0023] According to one embodiment of the present disclosure, a system includes a battery charging device that performs charging by supplying power to a battery disposed in a vehicle, a plurality of vehicles that obtain status data related to a status of the battery and obtain charging data related to charging of the battery from the battery charging device, an OBD (On-Board Diagnostics) that obtains the status data and the charging data from the plurality of vehicles, and an electronic device that obtains the status data and the charging data from the OBD, wherein the electronic device can extract a reference current value under a specified condition of the battery based on the status data and the charging data, and can correct a battery current value under the specified condition of a battery disposed in at least one of the plurality of vehicles based on the reference current value.

[0024] According to the embodiments disclosed in this document, the accuracy of battery current measurement can be improved by compensating for the offset deviation of the battery current sensor.

[0025] The effects of the invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

[0026] FIG. 1 is a block diagram of a current compensation system including an electronic device, an OBD, a vehicle, and a battery charging device according to one embodiment of the present disclosure.

[0027] FIG. 2 is a diagram illustrating an example in which an electronic device according to an embodiment of the present disclosure extracts a plurality of battery current values ​​under specified conditions based on charging data and status data.

[0028] FIG. 3 is a diagram illustrating an example in which an electronic device according to an embodiment of the present disclosure extracts a reference current value under specified conditions based on a plurality of battery current values.

[0029] FIG. 4 is a diagram showing a plurality of reference current values ​​in a plurality of conditions extracted by an electronic device according to an embodiment of the present disclosure in the form of a reference current map.

[0030] FIG. 5 is a flowchart of the operation of an electronic device according to an embodiment of the present disclosure.

[0031] FIG. 6 is a flowchart of the operation of an electronic device according to an embodiment of the present disclosure.

[0032] In describing the embodiments, descriptions of technical details that are well known in the technical field to which the present disclosure pertains and are not directly related to the present disclosure will be omitted. This is to convey the gist of the present disclosure more clearly without obscuring it by omitting unnecessary explanations.

[0033] For the same reason, some components in the attached drawings are exaggerated, omitted, or schematically depicted. Furthermore, the dimensions of each component do not entirely reflect its actual size. Identical or corresponding components in each drawing are assigned the same reference numbers.

[0034] The advantages and features of the present disclosure, and methods for achieving them, will become clearer with reference to the embodiments described in detail below together with the accompanying drawings. However, the present disclosure is not limited to the embodiments disclosed below and may be implemented in various different forms. These embodiments are provided solely to ensure that the disclosure of the present disclosure is complete and to fully inform those skilled in the art of the scope of the invention, and the present disclosure is defined only by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

[0035] At this time, it will be understood that each block of the processing flowchart drawings and combinations of the flowchart drawings can be performed by computer program instructions. These computer program instructions can be loaded into a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing equipment, so that the instructions executed by the processor of the computer or other programmable data processing equipment create a means for performing the functions described in the flowchart block(s). These computer program instructions can also be stored in a computer-available or computer-readable memory that can be directed to a computer or other programmable data processing equipment to implement the functions in a specific manner, so that the instructions stored in the computer-available or computer-readable memory can produce an article of manufacture that includes a command means for performing the functions described in the flowchart block(s). The computer program instructions can also be loaded onto a computer or other programmable data processing equipment, so that a series of operation steps are performed on the computer or other programmable data processing equipment to create a computer-executable process, so that the instructions that execute the computer or other programmable data processing equipment can provide steps for performing the functions described in the flowchart block(s).

[0036] Additionally, each block may represent a module, segment, or portion of code that contains one or more executable instructions for performing a specific logical function(s). It should also be noted that in some alternative implementation examples, the functions described in the blocks may occur out of order. For example, two blocks depicted in succession may actually be executed substantially concurrently, or the blocks may sometimes be executed in reverse order, depending on their respective functions.

[0037] Here, the term '~ unit' used in the present embodiment means a software or hardware component such as an FPGA or ASIC, and the '~ unit' performs certain roles. However, the '~ unit' is not limited to software or hardware. The '~ unit' may be configured to be on an addressable storage medium and may be configured to regenerate one or more processors. Therefore, for example, the '~ unit' includes components such as software components, object-oriented software components, class components, and task components, processes, functions, properties, procedures, subroutines, segments of program code, drivers, firmware, microcode, circuits, data, databases, data structures, tables, arrays, and variables. The functions provided within the components and '~ units' may be combined into a smaller number of components and '~ units' or further separated into additional components and '~ units'. In addition, the components and '~ units' may be implemented to regenerate one or more CPUs within a device or a secure multimedia card.

[0038] The expression “at least one of a, b and c” described throughout the specification may encompass ‘a alone’, ‘b alone’, ‘c alone’, ‘a and b’, ‘a and c’, ‘b and c’, or ‘all of a, b and c’.

[0039] The "terminal" mentioned below may be implemented as a computer or portable terminal that can connect to a server or other terminal via a network. Here, the computer includes, for example, a notebook, desktop, laptop, etc. equipped with a web browser, and the portable terminal may include, for example, a wireless communication device that guarantees portability and mobility, and may include all types of handheld-based wireless communication devices such as communication-based terminals such as IMT (International Mobile Telecommunication), CDMA (Code Division Multiple Access), W-CDMA (W-Code Division Multiple Access), LTE (Long Term Evolution), smartphones, tablet PCs, etc.

[0040] Below, embodiments of the present disclosure are described in detail with reference to the attached drawings so that those skilled in the art can easily implement the present disclosure. However, the present disclosure may be implemented in various different forms and is not limited to the embodiments described herein.

[0041] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the attached drawings.

[0042] FIG. 1 is a block diagram of a current compensation system including an electronic device (100), an On-Board Diagnostics (OBD) (111, 112), a vehicle (120, 130), and a battery charging device (140) according to one embodiment of the present disclosure. In FIG. 1, the current compensation system is illustrated as including two OBDs (111, 112) and two vehicles (120, 130), but is not limited thereto, and the current compensation system may include three or more OBDs and vehicles.

[0043] Referring to FIG. 1, an electronic device (100) may include a communication circuit (101), a memory (102), and a processor (103). According to an embodiment, the electronic device (100) illustrated in FIG. 1 may further include at least one component (e.g., a display, an input device, or an output device) other than the components illustrated in FIG. 1. The electronic device (100) may include at least one of a notebook, a desktop, a laptop, and a server computing device. However, the present invention is not limited thereto, and the electronic device (100) may include all types of devices equipped with computing functions and communication functions.

[0044] According to one embodiment, the communication circuit (101) can establish a wired communication channel and / or a wireless communication channel between the electronic device (100) and the OBD (111, 112), and transmit and receive data with the OBD (111, 112) through the established communication channel. For example, the communication circuit (101) can receive status data related to the status of batteries disposed in a plurality of vehicles (120, 130) and charging data related to charging through the wired communication channel and / or the wireless communication channel with the OBD (111, 112).

[0045] Here, communication, i.e., transmission and reception of data, can be performed wired or wirelessly. To this end, the communication circuit (101) may include a wired communication module that connects to the Internet, etc., via a LAN (Local Area Network), a mobile communication module that connects to a mobile communication network via a mobile communication base station and transmits and receives data, a short-range communication module that uses a WLAN (Wireless Local Area Network) series communication method such as Wi-Fi or a WPAN (Wireless Personal Area Network) series communication method such as Bluetooth or Zigbee, a satellite communication module that uses a GNSS (Global Navigation Satellite System) such as a GPS (Global Positioning System), or a combination thereof.

[0046] According to one embodiment, the memory (102) may include volatile memory and / or non-volatile memory.

[0047] According to one embodiment, the memory (102) may store data used by at least one component (e.g., processor (103)) of the electronic device (100). For example, the data may include software (or instructions related thereto), input data, or output data. In one embodiment, the instructions, when executed by the processor (103), may cause the electronic device (100) to perform operations defined by the instructions.

[0048] According to one embodiment, the processor (103) may be implemented as a computer or similar device according to hardware, software, or a combination thereof. In terms of hardware, the processor (103) may be implemented in the form of an electronic circuit that processes electrical signals to perform a control function, and in terms of software, the processor (103) may be implemented in the form of a program that drives the hardware processor (103). According to one embodiment, the processor (103) may include a central processing unit, an application processor, a graphics processing unit, a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor.

[0049] Meanwhile, unless otherwise specifically stated in the following description, the operation of the electronic device (100) may be interpreted as being performed under the control of the processor (103).

[0050] According to one embodiment, the OBD (111, 112) is electrically connected to the vehicle (120, 130) and can obtain various types of data from components included in the vehicle (120, 130). Here, the OBD (111, 112) corresponds one-to-one with the vehicle (120, 130), and can be electrically connected to each of the vehicles (120, 130). For example, the OBD (111) is electrically connected to the vehicle (120) and can obtain various types of data from the vehicle (120). According to one embodiment, the OBD (111, 112) can diagnose the status of the vehicle (120, 130) based on the obtained data.

[0051] According to one embodiment, the OBD (111, 112) can transmit and receive data with components included in the vehicle (120, 130) (e.g., battery management system (121, 131), and charge management system (122, 132)) and the electronic device (100) using a communication circuit. For example, the OBD (111, 112) can obtain status data related to the status (e.g., voltage, current, temperature, SOC, SOH, and / or abnormality) of the battery disposed in the vehicle (120, 130) from the battery management system (121, 131) through CAN (Controller Area Network) communication. In addition, the OBD (111, 112) can obtain charging data related to charging of the battery disposed in the vehicle (120, 130) from the charge management system (122, 132) through CAN communication. OBD (111, 112) can transmit the acquired battery status data and charging data to the electronic device (100) based on wireless communication.

[0052] According to one embodiment, each of the plurality of vehicles (120, 130) may include a battery management system (BMS) (121, 122), an OBD (111, 112) and a charge management system (CMS) (122, 132).

[0053] According to one embodiment, the battery management system (121, 131) can manage and control a battery disposed in a vehicle (120, 130). For example, the battery management system (121, 131) can monitor the voltage, current, and / or temperature of the battery using sensors, and diagnose the state of charge (SOC), state of health (SOH), and / or abnormality of the battery based on the monitoring results. In addition, the battery management system (121, 131) can also control the charging and discharging of the battery.

[0054] According to one embodiment, the charge management system (122, 132) can manage and control the charging of a battery disposed in a vehicle (120, 130) by a battery charging device (140). For example, the charge management system (122, 132) can manage and control the power supplied from the battery charging device (140) to the battery disposed in the vehicle (120, 130). According to one embodiment, the charge management system (122, 132) can obtain charging data from the battery charging device (140). For example, the charging data can include at least one of charging voltage data, charging current data, and charging power data.

[0055] According to one embodiment, the battery charging device (140) may be electrically connected to the vehicle (120, 130) and may perform charging by supplying power to the battery disposed in the vehicle (120, 130). The battery charging device (140) may set at least one of a charging voltage, a charging current, and a charging power when charging the battery disposed in the vehicle (120, 130). The battery charging device (140) may transmit charging data including at least one of the set charging voltage, charging current, and charging power to the vehicle (120, 130). More specifically, the battery charging device (140) may transmit the charging data to a charging management system (122, 132) included in the vehicle (120, 130).

[0056] Hereinafter, a method for performing current compensation by an electronic device (100) will be described with reference to FIGS. 2 to 4.

[0057] According to one embodiment, the electronic device (100) can obtain status data related to the status of batteries disposed in a plurality of vehicles (120, 130) and charging data related to charging. According to one embodiment, the electronic device (100) can obtain status data and charging data from OBD (111, 112). For example, the status data may include current data and temperature data of the battery obtained by the battery management system (121, 131). In addition, the charging data may include charging current data obtained by the charging management system (122, 132). Here, the current data, the temperature data, and the charging current data may be time series data representing the current, temperature, and charging current of the battery over time, respectively.

[0058] According to one embodiment, the electronic device (100) can extract a reference current value under a specified condition of the battery based on the status data and the charge data. Here, the specified condition may be a condition corresponding to a specified battery temperature value and a specified charging current value. In addition, the reference current value may correspond one-to-one to the specified condition. For example, the electronic device (100) can extract a reference current value under a condition where the battery temperature value is a specified battery temperature value and the charging current value is a specified charging current value.

[0059] According to one embodiment, the electronic device (100) may extract a plurality of battery current values ​​corresponding to a specified battery temperature value and a specified charging current value based on the acquired current data, temperature data, and charging current data. For example, the electronic device (100) may extract a plurality of battery current values ​​at a point in time when the temperature value of the battery is a specified battery temperature value and the charging current value is a specified charging current value based on the current data, temperature data, and charging current data, which are time-series data. Here, each of the plurality of battery current values ​​may correspond one-to-one to a plurality of batteries disposed in a plurality of vehicles (120, 130).

[0060] FIG. 2 is a diagram illustrating an example in which an electronic device according to an embodiment of the present disclosure extracts a plurality of battery current values ​​under specified conditions based on charging data and status data.

[0061] Referring to FIG. 2, the electronic device (100) may check data (200) extracted based on current data, temperature data, and charging current data. The data (200) may include a plurality of battery current values ​​(210) of a plurality of battery samples under specified conditions (e.g., a condition in which a battery temperature value is -20°C and a charging current value is -300A). Here, the plurality of battery samples may be batteries included in a plurality of vehicles (120, 130), respectively. At this time, battery samples included in the same vehicle may have different battery current values ​​even under the same conditions depending on the connection structure within the vehicle. For example, in the data (200), vehicle 1 may include battery sample 1 having a battery current value of -301.5A, battery sample 2 having a battery current value of -304.1A, and battery sample 3 having a battery current value of -303.7A under specified conditions. According to one embodiment, the electronic device (100) can extract battery current values ​​(210) under the same conditions of batteries included in a plurality of vehicles (120, 130) based on data (200).

[0062] According to one embodiment, the electronic device (100) can extract a reference current value under a specified condition of the battery based on a plurality of battery current values ​​(210). For example, the electronic device (100) can extract a mode value among the plurality of battery current values ​​(210) as the reference current value.

[0063] FIG. 3 is a diagram illustrating an example in which an electronic device (100) according to one embodiment of the present disclosure extracts a reference current value under specified conditions based on a plurality of battery current values.

[0064] Referring to FIG. 3, a graph (300) representing a plurality of extracted battery current values ​​by frequency according to the battery current value can be confirmed. According to one embodiment, the electronic device (100) can extract a battery current value corresponding to data (310) representing the most frequent value in the graph (300) as a reference current value.

[0065] According to one embodiment, the electronic device (100) may correct a battery current value at a specified condition of a battery disposed in at least one of a plurality of vehicles (120, 130) based on a reference current value. For example, the electronic device (100) may correct a battery current value at a specified condition of the battery to be equal to the reference current value.

[0066] According to one embodiment, the electronic device (100) can extract a plurality of reference current values ​​in a plurality of conditions of the battery based on the status data and the charge data. Here, the plurality of reference current values ​​can correspond one-to-one to the plurality of conditions. In addition, the number of the plurality of conditions can be N * M, which is the product of N (where N is a natural number), which is the number of a plurality of battery temperature values ​​included in the status data, and M (where M is a natural number), which is the number of a plurality of charge current values ​​included in the charge data.

[0067] FIG. 4 is a diagram showing a plurality of reference current values ​​in a plurality of conditions extracted by an electronic device (100) according to an embodiment of the present disclosure in the form of a reference current map.

[0068] Referring to FIG. 4, the reference current map (400) may indicate a reference current value for each condition. For example, the first reference current value in the first condition where the battery temperature value is -20°C and the charging current value is -300A may be -302.3A, the second reference current value in the second condition where the battery temperature value is 0°C and the charging current value is -299A may be -299.3A, and the third reference current value in the third condition where the battery temperature value is 50°C and the charging current value is 300A may be -302.3A. In the reference current map (400), the number of multiple conditions may be 42,671, which is the product of 71, which is the number of battery temperature values, and 601, which is the number of multiple charging current values.

[0069] According to one embodiment, the electronic device (100) may correct a plurality of battery current values ​​in a plurality of conditions of a battery disposed in at least one of the plurality of vehicles (120, 130) based on a plurality of reference current values. For example, if the battery current value in a first condition in which the battery temperature value of the vehicle (110) is -20°C and the charging current value is -300A is -304.6A, the electronic device (100) may apply a correction value (α) of +2.3A to the battery current value in the first condition of the battery of the vehicle (110) to correct it to -302.3A, which is the same as the first reference current value.

[0070] FIG. 5 is a flowchart illustrating the operation of an electronic device according to an embodiment of the present disclosure. Since the operation method of FIG. 5 can be performed by the electronic device (100) of FIG. 1, any description overlapping with the above-described content may be omitted, and the method may be described using the components of FIG. 1.

[0071] The embodiment illustrated in FIG. 5 is only one embodiment, and the order of operations according to various embodiments of the present disclosure may be different from that illustrated in FIG. 5, and some operations illustrated in FIG. 5 may be omitted, the order between operations may be changed, or operations may be merged.

[0072] Referring to FIG. 5, in operation 510, the electronic device (100) may obtain status data related to the status of batteries disposed in multiple vehicles (120, 130) and charging data related to charging. According to one embodiment, the electronic device (100) may obtain status data and charging data from OBD (111, 112).

[0073] In operation 520, the electronic device (100) can extract a reference current value under a specified condition of the battery based on the status data and charge data acquired in operation 510. The operation of the electronic device (100) extracting the reference current value under a specified condition of the battery can be specifically described with reference to FIG. 6, which will be described later.

[0074] In operation 530, the electronic device (100) can correct a battery current value at a specified condition of a battery disposed in at least one of the plurality of vehicles (120, 130) based on the reference current value extracted in operation 520.

[0075] FIG. 6 is a flowchart illustrating the operation of an electronic device according to an embodiment of the present disclosure. Since the operation method of FIG. 6 can be performed by the electronic device (100) of FIG. 1, any description overlapping with the above-described content may be omitted, and the method may be described using the components of FIG. 1.

[0076] The embodiment illustrated in FIG. 6 is only one embodiment, and the order of operations according to various embodiments of the present disclosure may be different from that illustrated in FIG. 6, and some operations illustrated in FIG. 6 may be omitted, the order between operations may be changed, or operations may be merged.

[0077] Referring to FIG. 6, in operation 610, the electronic device (100) can extract a plurality of battery current values ​​corresponding to a specified battery temperature value and a specified charging current value based on current data, temperature data, and charging current data.

[0078] In operation 620, the electronic device (100) can extract a mode among the plurality of battery current values ​​extracted in operation 610 as a reference current value.

[0079] The battery management device according to the above-described embodiments may include a processor, a memory for storing and executing program data, permanent storage such as a disk drive, a communication port for communicating with an external device, a user interface device such as a touch panel, a key, an icon, etc. The methods implemented as software modules or algorithms may be stored on a computer-readable recording medium as computer-readable codes or program commands executable on the processor. Here, the computer-readable recording medium includes a magnetic storage medium (e.g., read-only memory (ROM), random-access memory (RAM), floppy disk, hard disk, etc.) and an optical reading medium (e.g., CD-ROM, DVD: Digital Versatile Disc)). The computer-readable recording medium may be distributed to computer systems connected to a network, so that the computer-readable code may be stored and executed in a distributed manner. The medium may be readable by a computer, stored in a memory, and executed by a processor.

[0080] Various embodiments of the present disclosure may be represented by functional block configurations and various processing steps. These functional blocks may be implemented by various hardware and / or software components that perform specific functions. For example, embodiments may employ direct circuit components, such as memory, processing, logic, look-up tables, etc., that may perform various functions under the control of one or more microprocessors or other control devices. Similarly, the present embodiments may be implemented in a programming or scripting language, such as C, C++, Java, or an assembler, including various algorithms implemented as a combination of data structures, processes, routines, or other programming components. Functional aspects may be implemented as algorithms that execute on one or more processors. Furthermore, the present embodiments may employ conventional techniques for electronic configuration, signal processing, and / or data processing. Terms like "mechanism," "element," "means," and "composition" can be used broadly and are not limited to mechanical or physical components. These terms can also encompass a series of software routines, such as those associated with a processor.

[0081] The above-described embodiments are merely examples, and other embodiments may be implemented within the scope of the claims set forth below.

Claims

1. In a current compensation method performed by an electronic device, An operation of acquiring status data related to the status of batteries deployed in multiple vehicles and charging data related to charging; An operation of extracting a reference current value under a specified condition of the battery based on the above state data and the above charge data; and A current correction method, comprising an operation of correcting a battery current value of a battery disposed in at least one of the plurality of vehicles under the specified conditions based on the reference current value.

2. In paragraph 1, A current compensation method, wherein the above status data includes current data and temperature data of a battery acquired by a battery management system included in the plurality of vehicles.

3. In paragraph 2, A current compensation method, wherein the charging data includes charging current data obtained by a charging management system included in the plurality of vehicles.

4. In paragraph 3, A current compensation method, wherein the above-mentioned conditions are conditions corresponding to a specified battery temperature value and a specified charging current value.

5. In paragraph 4, The operation of extracting the above reference current value is: An operation of extracting a plurality of battery current values ​​corresponding to the specified battery temperature value and the specified charging current value based on the current data, the temperature data, and the charging current data, and A current compensation method, comprising an operation of extracting the reference current value based on the plurality of battery current values.

6. In paragraph 5, A current compensation method, wherein the operation of extracting the reference current value includes an operation of extracting a mode among the plurality of battery current values ​​as the reference current value.

7. In paragraph 1, An operation of extracting a plurality of reference current values ​​in a plurality of conditions of the battery based on the above state data and the above charge data; and Further comprising an operation of correcting a plurality of battery current values ​​in the plurality of conditions of the battery disposed in the at least one vehicle based on the plurality of reference current values, A current compensation method in which the number of the plurality of conditions is N * M, which is the product of N (where N is a natural number) which is the number of the plurality of battery temperature values ​​included in the state data and M (where M is a natural number) which is the number of the plurality of charging current values ​​included in the charging data.

8. In electronic devices, communication circuit; and comprising a processor operatively connected to the above communication circuit, The above processor, Using the above communication circuit, status data related to the status of batteries placed in multiple vehicles and charging data related to charging are obtained, Based on the above status data and the above charging data, a reference current value under a specified condition of the battery is extracted, An electronic device that corrects a battery current value of a battery disposed in at least one of the plurality of vehicles under the specified conditions based on the reference current value.

9. In paragraph 8, An electronic device, wherein the above status data includes current data and temperature data of a battery acquired by a battery management system included in the plurality of vehicles.

10. In paragraph 9, An electronic device, wherein the charging data includes charging current data obtained by a charging management system included in the plurality of vehicles.

11. In paragraph 10, An electronic device wherein the above specified conditions are conditions corresponding to a specified battery temperature value and a specified charging current value.

12. In paragraph 11, The above processor, Based on the current data, the temperature data, and the charging current data, a plurality of battery current values ​​corresponding to the specified battery temperature value and the specified charging current value are extracted, An electronic device that extracts the reference current value based on the plurality of battery current values.

13. In paragraph 12, An electronic device in which the processor extracts a mode among the plurality of battery current values ​​as the reference current value.

14. In paragraph 8, The above processor, Based on the above state data and the above charge data, a plurality of reference current values ​​are extracted under a plurality of conditions of the battery, Based on the plurality of reference current values, a plurality of battery current values ​​in the plurality of conditions of the battery disposed in the at least one vehicle are corrected, An electronic device in which the number of the plurality of conditions is N * M, which is the product of N (where N is a natural number) which is the number of the plurality of battery temperature values ​​included in the state data and M (where M is a natural number) which is the number of the plurality of charging current values ​​included in the charging data.

15. In the system, A battery charging device that performs charging by supplying power to a battery placed in a vehicle; A plurality of vehicles that obtain status data related to the status of a battery and obtain charging data related to charging of the battery from the battery charging device; OBD (On-Board Diagnostics) for obtaining the status data and the charging data from the plurality of vehicles; and An electronic device that obtains the status data and the charging data from the OBD, The above electronic device, Based on the above status data and the above charging data, a reference current value under a specified condition of the battery is extracted, A system for correcting a battery current value of a battery disposed in at least one of the plurality of vehicles under the specified conditions based on the reference current value.

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