JP2021125392A - バッテリ劣化判定装置、バッテリ劣化判定方法、及びバッテリ劣化判定プログラム - Google Patents
バッテリ劣化判定装置、バッテリ劣化判定方法、及びバッテリ劣化判定プログラム Download PDFInfo
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- JP2021125392A JP2021125392A JP2020018735A JP2020018735A JP2021125392A JP 2021125392 A JP2021125392 A JP 2021125392A JP 2020018735 A JP2020018735 A JP 2020018735A JP 2020018735 A JP2020018735 A JP 2020018735A JP 2021125392 A JP2021125392 A JP 2021125392A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/16—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/374—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N20/00—Machine learning
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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- Tests Of Electric Status Of Batteries (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
12 センタ
14 車両
16 車載器
20 バッテリ
22 バッテリ情報取得部(取得部)
30 データ受信部(取得部)
32 データ補正部(補正部)
34 温度代替処理部(推定部)
36 データ補正処理部
40 データ演算部(判定部)
42 確率算出部
44 劣化判定部
Claims (11)
- バッテリの状態量を取得する取得部と、
前記取得部が取得した前記状態量と前記バッテリの温度に関連する物理量の相関がある場合に、前記状態量を補正する補正部と、
前記補正部によって補正された前記状態量に基づいて、前記バッテリの劣化を判定する判定部と、
を含むバッテリ劣化判定装置。 - 前記補正部は、前記バッテリの使用期間に応じて異なる補正量で前記状態量を補正する請求項1に記載のバッテリ劣化判定装置。
- 前記補正部は、前記状態量の大きさに応じて予め定めた補正量で前記状態量を補正する請求項1又は請求項2に記載のバッテリ劣化判定装置。
- 前記判定部は、前記相関がない場合は、前記取得部が取得した前記状態量に基づいて、前記バッテリの劣化を判定する請求項1〜3の何れか1項に記載のバッテリ劣化判定装置。
- 前記取得部は、前記物理量を更に取得する請求項1〜4の何れか1項に記載のバッテリ劣化判定装置。
- 前記物理量を推定する推定部を更に含む請求項1〜4の何れか1項に記載のバッテリ劣化判定装置。
- 前記補正部は、前記状態量と前記物理量の相関係数が予め定めた値以上の場合に、前記状態量を補正する請求項1〜6の何れか1項に記載のバッテリ劣化判定装置。
- 前記補正部は、前記状態量及び前記物理量のそれぞれについて、予め定めた期間におけるそれぞれの平均値と比較して相関を判断し、前記状態量を補正する請求項1〜6の何れか1項に記載のバッテリ劣化判定装置。
- 前記取得部は、車両に搭載されたセンサによって検出された前記状態量を取得する請求項1〜8の何れか1項に記載のバッテリ劣化判定装置。
- バッテリの状態量を取得して、取得した前記状態量と前記バッテリの温度に関連する物理量の相関がある場合に、前記状態量を補正し、補正した前記状態量に基づいて、前記バッテリの劣化を判定することを含む処理をコンピュータによって実行させるバッテリ劣化判定方法。
- コンピュータに、
バッテリの状態量を取得して、取得した前記状態量と前記バッテリの温度に関連する物理量の相関がある場合に、前記状態量を補正し、補正した前記状態量に基づいて、前記バッテリの劣化を判定することを含む処理を実行させるためのバッテリ劣化判定プログラム。
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JP2020018735A JP7388220B2 (ja) | 2020-02-06 | 2020-02-06 | バッテリ劣化判定装置、バッテリ劣化判定方法、及びバッテリ劣化判定プログラム |
US17/132,817 US20210245624A1 (en) | 2020-02-06 | 2020-12-23 | Battery degradation evaluation system, battery degradation evaluation method, and non-transitory storage medium storing battery degradation evaluation program |
EP21150463.4A EP3862766B1 (en) | 2020-02-06 | 2021-01-07 | Battery degradation evaluation system, battery degradation evaluation method, and non-transitory storage medium storing battery degradation evaluation program |
CN202110032160.4A CN113219337B (zh) | 2020-02-06 | 2021-01-11 | 电池劣化判断系统、方法以及存储有程序的非临时性存储介质 |
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JP2020018735A JP7388220B2 (ja) | 2020-02-06 | 2020-02-06 | バッテリ劣化判定装置、バッテリ劣化判定方法、及びバッテリ劣化判定プログラム |
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CN (1) | CN113219337B (ja) |
Cited By (1)
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WO2023047867A1 (ja) * | 2021-09-24 | 2023-03-30 | 株式会社Gsユアサ | 情報処理装置及び情報処理方法 |
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US11422199B1 (en) * | 2021-06-17 | 2022-08-23 | Hong Kong Applied Science and Technology Research Institute Company Limited | State of health evaluation of retired lithium-ion batteries and battery modules |
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EP3862766B1 (en) | 2023-06-21 |
US20210245624A1 (en) | 2021-08-12 |
CN113219337A (zh) | 2021-08-06 |
CN113219337B (zh) | 2024-02-20 |
JP7388220B2 (ja) | 2023-11-29 |
EP3862766A1 (en) | 2021-08-11 |
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