JP2009506317A - バッテリと関連する状態ベクトルを推定するシステム及び方法 - Google Patents
バッテリと関連する状態ベクトルを推定するシステム及び方法 Download PDFInfo
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- JP2009506317A JP2009506317A JP2008527845A JP2008527845A JP2009506317A JP 2009506317 A JP2009506317 A JP 2009506317A JP 2008527845 A JP2008527845 A JP 2008527845A JP 2008527845 A JP2008527845 A JP 2008527845A JP 2009506317 A JP2009506317 A JP 2009506317A
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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]
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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
-
- 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
-
- 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
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
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- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
【解決手段】上記方法は負荷回路から上記バッテリが電気的に分離される時間間隔を決定するステップを含む。上記時間間隔は第1時間で始まる。上記方法はメモリからバッテリと関連する第1状態ベクトルを獲得するステップをさらに含む。上記第1状態ベクトルは上記第1時間より先に決定される。上記方法は上記時間間隔及び上記第1状態ベクトルに基づいて上記バッテリと関連する第2予測状態ベクトルを計算するステップをさらに含む。
Description
Claims (8)
- バッテリと関連する状態ベクトルを推定する方法において、
上記バッテリが負荷回路から電気的に分離される、第1時間で始まる時間間隔(time interval)を決定するステップと、
メモリから上記バッテリと関連する、前記第1時間より先に決定される第1状態ベクトルを獲得するステップと、
前記第1状態ベクトル及び前記時間間隔に基づいて前記バッテリと関連する第2予測状態ベクトルを計算するステップと、
前記バッテリが電気的に前記負荷回路に再連結されるとき、前記第1時間後の第1バッテリ電圧値を獲得するように前記バッテリから出力されるバッテリ電圧を測定するステップと、
前記第2予測状態ベクトルに基づいて前記バッテリと関連する第2バッテリ電圧値を推定するステップと、
前記第1バッテリ電圧値及び前記第2バッテリ電圧値に基づいて電圧誤差値を計算するステップと、
前記第2予測状態ベクトル及び前記電圧誤差値に基づいて前記バッテリと関連する第3推定状態ベクトルを計算するステップと、を含むことを特徴とするバッテリと関連する状態ベクトルを推定する方法。 - 前記第3推定状態ベクトルに係わる共分散値を計算するステップをさらに含むことを特徴とする請求項1に記載のバッテリと関連する状態ベクトルを推定する方法。
- 前記第2予測状態ベクトルを計算するステップは、
カルマンフィルタ、拡張カルマンフィルタ、シグマポイントカルマンフィルタ、平方根シグマポイントカルマンフィルタ、及びパーティクルフィルタのうち少なくとも1つを利用し、前記第1状態ベクトル及び前記時間間隔に基づいて前記バッテリと関連する第2予測状態ベクトルを計算するステップを含むことを特徴とする請求項1に記載のバッテリと関連する状態ベクトルを推定する方法。 - 前記第3推定状態ベクトルを計算するステップは、
カルマンフィルタ、拡張カルマンフィルタ、シグマポイントカルマンフィルタ、平方根シグマポイントカルマンフィルタ、及びパーティクルフィルタのうち少なくとも1つを利用し、前記第2予測状態ベクトル及び前記電圧誤差値に基づいて前記バッテリと関連する前記第3推定状態ベクトルを計算するステップを含むことを特徴とする請求項1に記載のバッテリと関連する状態ベクトルを推定する方法。 - 前記第2予測状態ベクトルは、
前記バッテリの少なくとも1つの予測充電状態(predicted state of charge)を示すことを特徴とする請求項1に記載のバッテリと関連する状態ベクトルを推定する方法。 - 前記第3予測状態ベクトルは、
前記バッテリの少なくとも1つの予測充電状態を示すことを特徴とする請求項1に記載のバッテリと関連する状態ベクトルを推定する方法。 - バッテリと関連する状態ベクトルを推定するシステムであって、
前記バッテリから出力される電圧を測定する電圧センサと、
請求項1ないし請求項6のうちのいずれか1項によるステップを実行するように構成され、前記電圧センサと作動可能に連結されるコンピュータと、を含むことを特徴とするバッテリと関連する状態ベクトルを推定するシステム。 - バッテリと関連する状態ベクトルを推定するコンピュータプログラムコードを有するコンピュータ記憶媒体であって、請求項1ないし請求項6のうちのいずれか1項による方法を実行するプログラムを含むコンピュータ記憶媒体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/209,453 US7589532B2 (en) | 2005-08-23 | 2005-08-23 | System and method for estimating a state vector associated with a battery |
US11/209,453 | 2005-08-23 | ||
PCT/KR2006/003305 WO2007024093A1 (en) | 2005-08-23 | 2006-08-23 | System and method for estimating a state vector associated with a battery |
Publications (2)
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JP2009506317A true JP2009506317A (ja) | 2009-02-12 |
JP4772871B2 JP4772871B2 (ja) | 2011-09-14 |
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Country Status (7)
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US (2) | US7589532B2 (ja) |
EP (1) | EP1917536B1 (ja) |
JP (1) | JP4772871B2 (ja) |
KR (1) | KR100952049B1 (ja) |
CN (1) | CN101248365B (ja) |
TW (1) | TWI320610B (ja) |
WO (1) | WO2007024093A1 (ja) |
Cited By (3)
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KR101215037B1 (ko) | 2010-04-20 | 2012-12-24 | 에스티엘 테크놀로지 컴퍼니 리미티드 | 배터리 모니터링 시스템 |
JP2017538931A (ja) * | 2014-11-28 | 2017-12-28 | ルノー エス.ア.エス. | バッテリのセルの静電容量を自動的に推定する方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010019705A (ja) * | 2008-07-10 | 2010-01-28 | Autonetworks Technologies Ltd | バッテリの状態推定方法及び電源装置 |
KR101215037B1 (ko) | 2010-04-20 | 2012-12-24 | 에스티엘 테크놀로지 컴퍼니 리미티드 | 배터리 모니터링 시스템 |
JP2017538931A (ja) * | 2014-11-28 | 2017-12-28 | ルノー エス.ア.エス. | バッテリのセルの静電容量を自動的に推定する方法 |
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Publication number | Publication date |
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EP1917536B1 (en) | 2018-08-08 |
JP4772871B2 (ja) | 2011-09-14 |
CN101248365A (zh) | 2008-08-20 |
US7589532B2 (en) | 2009-09-15 |
TWI320610B (en) | 2010-02-11 |
EP1917536A4 (en) | 2017-08-23 |
US7800375B2 (en) | 2010-09-21 |
US20070046292A1 (en) | 2007-03-01 |
KR20080041702A (ko) | 2008-05-13 |
EP1917536A1 (en) | 2008-05-07 |
WO2007024093A1 (en) | 2007-03-01 |
CN101248365B (zh) | 2010-11-10 |
TW200711210A (en) | 2007-03-16 |
KR100952049B1 (ko) | 2010-04-07 |
US20090261837A1 (en) | 2009-10-22 |
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