JP7388334B2 - 二次電池の劣化判定装置 - Google Patents
二次電池の劣化判定装置 Download PDFInfo
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- JP7388334B2 JP7388334B2 JP2020177583A JP2020177583A JP7388334B2 JP 7388334 B2 JP7388334 B2 JP 7388334B2 JP 2020177583 A JP2020177583 A JP 2020177583A JP 2020177583 A JP2020177583 A JP 2020177583A JP 7388334 B2 JP7388334 B2 JP 7388334B2
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- secondary battery
- engine
- deterioration
- vehicle
- battery
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- Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Description
走行用の動力を出力するエンジンと、走行用の動力を出力するモータと、前記モータと電力をやりとりする二次電池と、所定条件が成立したときには、少なくとも車速とアクセル開度と前記エンジンの燃料噴射量または前記エンジンの回転数とを用いて前記エンジンからの動力で前記二次電池が充電されるように前記エンジンと前記モータとを制御する所定充電制御を実行する制御装置と、を備えるハイブリッド車両に用いられ、前記二次電池の劣化を判定する二次電池の劣化判定装置であって、
前記車速と前記アクセル開度と前記燃料噴射量または前記回転数とに基づいて前記所定充電制御が実行されているか否かを判定し、
所定期間の所要時間に対する前記所定充電制御が実行されている時間の比率としての充電頻度が大きいときには、小さいときに比して、前記二次電池の劣化が進んでいると判定する
ことを要旨とする。
Claims (3)
- 走行用の動力を出力するエンジンと、走行用の動力を出力するモータと、前記モータと電力をやりとりする二次電池と、所定条件が成立したときには、少なくとも車速とアクセル開度と前記エンジンの燃料噴射量または前記エンジンの回転数とを用いて前記エンジンからの動力で前記二次電池が充電されるように前記エンジンと前記モータとを制御する所定充電制御を実行する制御装置と、を備えるハイブリッド車両に用いられ、前記二次電池の劣化を判定する二次電池の劣化判定装置であって、
前記車速と前記アクセル開度と前記燃料噴射量または前記回転数とに基づいて前記所定充電制御が実行されているか否かを判定し、
前記ハイブリッド車両をシステム起動してからシステム停止するまでの期間である所定期間の長さに対する前記所定充電制御が実行されている時間の比率としての充電頻度が大きいときには、小さいときに比して、前記二次電池の劣化が進んでいると判定する
二次電池の劣化判定装置。 - 請求項1記載の二次電池の劣化判定装置であって、
前記アクセル開度に基づく第1パラメータと前記燃料噴射量に基づく第2パラメータとの差としての第3パラメータの前記所定期間内の時系列のデータの積算値を前記所定期間における走行距離で除した値が大きいときには、小さいときに比して、前記劣化の進行が速いと判定する
二次電池の劣化判定装置。 - 請求項1記載の二次電池の劣化判定装置であって、
前記アクセル開度に基づく第1パラメータと前記燃料噴射量に基づく第2パラメータとの差としての第3パラメータの前記所定期間内の時系列のデータの積算値と前記ハイブリッド車両の減速量に基づく第4パラメータの前記所定期間内の時系列のデータの積算値との和を前記所定期間における走行距離で除した値が大きいときには、小さいときに比して、前記劣化の進行が速いと判定する
二次電池の劣化判定装置。
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JP2003189407A (ja) | 2001-12-17 | 2003-07-04 | Nissan Motor Co Ltd | バッテリ劣化診断装置 |
JP5545373B2 (ja) | 2010-11-10 | 2014-07-09 | 日産自動車株式会社 | 車両用電池の診断装置 |
JP2012162215A (ja) | 2011-02-09 | 2012-08-30 | Aisin Ai Co Ltd | 車両の動力伝達制御装置 |
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