JP5160416B2 - バッテリーの残存容量を推定する装置及び方法 - Google Patents
バッテリーの残存容量を推定する装置及び方法 Download PDFInfo
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- 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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Description
本発明は、フュージョンタイプのソフトコンピューティングアルゴリズムを用いてバッテリーの残存容量を推定することで、高いC‐レート環境においてもバッテリーの残存容量を正確に推定することができる装置及び方法を提供することを目的とする。
上記した本発明によるバッテリーの残存容量を推定する装置は、バッテリーセルの電流、電圧、及び温度を検出するセンシング部と;上記センシング部で検出された電流、電圧、及び温度を神経網アルゴリズムによる放射関数で処理することによって、バッテリーの残存容量の推定値を出力するソフトコンピューティング部とを含むことを特徴とする。
上述したように本発明によれば、フュージョン形態のソフトコンピューティングアルゴリズム及び学習アルゴリズムを通じて、バッテリーの残存容量を動的に推定することができる。また、最小限のデータにより温度、C‐レートなどのような多様な環境に応じてバッテリーの残存容量をより正確に推定することができる。
Claims (8)
- バッテリーの残存容量(SOC;State of Charge)を推定する装置であって、
バッテリーセルの電流、電圧、及び温度を検出するセンシング部と;
ファジー論理を神経網アルゴリズムとして具現化したフュージョンタイプのソフトコンピューティングアルゴリズムにより上記センシング部で検出された電流、電圧、及び温度を処理して、バッテリーの残存容量値を推定して出力するソフトコンピューティング部と;
上記ソフトコンピューティング部の残存容量値推定中に前記ソフトコンピューティング部の出力をモニタリングし、前記ソフトコンピューティング部から出力された推定値をバッテリーの充電または放電によって変わる所定目標値と比較して、上記推定値と上記所定目標値との差が臨界範囲を脱すると、上記所定目標値を追従するように学習させる学習アルゴリズムに従って上記神経網アルゴリズムが更新されるように上記ソフトコンピューティング部にアルゴリズム更新信号を伝送する比較器と;を含むことを特徴とするバッテリー残存容量推定装置。 - 上記目標値は、特定の条件で該当する実験を通じて得られた基準値であることを特徴とする請求項1に記載のバッテリー残存容量推定装置。
- 上記目標値は、バッテリーの定格容量で充放電器から入力されるAhカウンティング値とバッテリーのOCV(Open Circuit Voltage)値を相互補完した値であることを特徴とする請求項1に記載のバッテリー残存容量推定装置。
- 上記学習アルゴリズムは、逆伝播学習アルゴリズム、カルマンフィルター、遺伝アルゴリズム、及びファジー学習アルゴリズムのうち何れか一つであることを特徴とする請求項1に記載のバッテリー残存容量推定装置。
- バッテリーの残存容量(SOC;State of Charge)を推定する方法であって、
バッテリーセルの電流、電圧、及び温度を検出する段階と;
ファジー論理を神経網アルゴリズムとして具現化したフュージョンタイプのソフトコンピューティングアルゴリズムにより上記検出された電流、電圧、及び温度を処理してバッテリーの残存容量値を推定して出力する段階と;
上記残存容量値の推定中に、上記出力された推定値とバッテリーの充電または放電によって変わる所定目標値とを比較する段階と;
上記推定値と上記所定目標値との差が臨界範囲を脱すると、上記所定目標値を追従するように学習させる学習アルゴリズムに従って上記神経網アルゴリズムを更新させる段階と;を含むことを特徴とするバッテリー残存容量推定方法。 - 上記目標値は、特定の条件で該当する実験を通じて得られた基準値であることを特徴とする請求項5に記載のバッテリー残存容量推定方法。
- 上記目標値は、バッテリーの定格容量で充放電器から入力されるAhカウンティング値とバッテリーのOCV(Open Circuit Voltage)値を相互補完した値であることを特徴とする請求項5に記載のバッテリー残存容量推定方法。
- 上記学習アルゴリズムは、逆伝播学習アルゴリズム、カルマンフィルター、遺伝アルゴリズム、及びファジー学習アルゴリズムのうち何れか一つであることを特徴とする請求項5に記載のバッテリー残存容量推定方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20050050273 | 2005-06-13 | ||
KR10-2005-0050273 | 2005-06-13 | ||
PCT/KR2006/002237 WO2006135175A1 (en) | 2005-06-13 | 2006-06-13 | Apparatus and method for testing state of charge in battery |
Publications (2)
Publication Number | Publication Date |
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JP2008546989A JP2008546989A (ja) | 2008-12-25 |
JP5160416B2 true JP5160416B2 (ja) | 2013-03-13 |
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JP2008515628A Active JP5160416B2 (ja) | 2005-06-13 | 2006-06-13 | バッテリーの残存容量を推定する装置及び方法 |
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Country | Link |
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US (2) | US20070005276A1 (ja) |
EP (1) | EP1896925B1 (ja) |
JP (1) | JP5160416B2 (ja) |
KR (1) | KR100793616B1 (ja) |
CN (1) | CN101198922B (ja) |
TW (1) | TWI320977B (ja) |
WO (1) | WO2006135175A1 (ja) |
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CN101067644B (zh) * | 2007-04-20 | 2010-05-26 | 杭州高特电子设备有限公司 | 蓄电池性能分析专家诊断方法 |
KR100836391B1 (ko) * | 2007-06-21 | 2008-06-09 | 현대자동차주식회사 | 하이브리드 전기자동차용 배터리의 잔존용량 추정방법 |
KR100936892B1 (ko) * | 2007-09-13 | 2010-01-14 | 주식회사 엘지화학 | 배터리의 장기 특성 예측 시스템 및 방법 |
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US8626679B2 (en) | 2014-01-07 |
KR100793616B1 (ko) | 2008-01-10 |
EP1896925A1 (en) | 2008-03-12 |
EP1896925B1 (en) | 2020-10-21 |
US20100324848A1 (en) | 2010-12-23 |
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