JP6643256B2 - ハイブリッド車両の牽引電池の性能の回復時間を予測するための方法 - Google Patents
ハイブリッド車両の牽引電池の性能の回復時間を予測するための方法 Download PDFInfo
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Description
− 電池の利用可能な電力が必要最低電力レベル未満である場合、電池性能回復フェーズを起動するステップであって、前記フェーズが、前記電池を前記必要最低電力レベルの供給を可能にする充電状態および温度条件にすることができるステップと、
− BSOCが電池の充電状態を表し、また、Tが電池の温度を表す平面(BSOC,T)に、前記平面内の、電池による前記必要最低電力レベルの実質的な伝送を可能にする電池の動作点を表す等電力曲線を含む電池の動作モデルを供給するステップであって、前記曲線が、必要最低電力レベルより高い電力レベルの伝送を可能にする動作点を、電池による必要最低電力レベル未満の電力レベルのみの伝送を可能にする動作点から分離するステップと、
− 供給された前記動作モデルから前記電池性能回復フェーズの継続期間を予測するステップと
を含むことを特徴とする方法によって達成される。
− 前記充電フェーズの間に電池に供給される電流の値を決定するステップと、
− 充電フェーズの起動の瞬間における電池の温度および電池の充電状態によって画定される電池の動作点であって、電池による、必要最低電力レベル未満の電力レベルのみの伝送を許容する動作点から、電池に供給される前記電流の関数として、電池の動作点を前記等電力曲線に達するようにするために必要な時間として前記充電フェーズの継続期間を決定するステップと
を含む。
TBAT: 電池の温度−単位[℃]
T ext : 外部温度−単位[℃]
IBAT: 電池を通って流れる電流(放電の場合は正、充電の場合は負)−単位[A]
BSOC: 電池の充電状態(電池充電状態)−単位[%]
Qmax: 総電池容量−単位[A.h.]
Cp: 電池の熱容量−単位[J/kg/K]
m: 電池の重量−単位[kg]
R: 電池の内部抵抗−単位[Ohm]
h: 電池と外部の間の対流係数−単位[W/m2/K]
S: 外部との交換の表面積−単位[m2]
ε: 加熱システムによる熱の生成−単位[W]
ここで、
である。
である。
Claims (9)
- 車両に埋め込まれたコンピュータによって、前記車両が備える電池の電池性能回復フェーズの継続期間を予測するための方法であって、
− 前記電池の利用可能な電力が必要最低電力レベル未満である場合に、前記コンピュータが、前記電池性能回復フェーズを起動するステップであって、前記電池性能回復フェーズは、前記電池を前記必要最低電力レベルの供給を可能にする充電状態および温度条件にすることができるステップと、
− 前記コンピュータが、記憶手段に記憶された動作モデルから、前記電池性能回復フェーズの継続期間を予測するステップと、
を含み、
前記記憶手段に記憶された前記動作モデルは、BSOCが前記電池の充電状態を表し、また、Tが前記電池の温度を表す、平面(BSOC,T)内に、前記電池による前記必要最低電力レベルの伝送を可能にする前記電池の動作点を表す等電力曲線(10)を含むものであり、前記等電力曲線は、前記必要最低電力レベルより高い電力レベルの伝送を可能にする動作点を、前記電池による前記必要最低電力レベル未満の電力レベルのみの伝送を可能にする動作点から分離する曲線であり、
前記予測するステップは、前記平面(BSOC,T)上の1つの動作点からの前記電池性能回復フェーズの継続期間を、前記動作モデルから予測するものである、
方法。 - 前記電池性能回復フェーズが電池充電フェーズからなることを特徴とする請求項1に記載の方法。
- 前記予測するステップは、
− 前記コンピュータが、前記電池充電フェーズの間に前記電池に供給される電流の値を決定するステップと、
− 前記コンピュータが、前記電池充電フェーズの起動の瞬間における前記電池の温度および前記電池の充電状態によって画定される前記電池の動作点(11)であって、前記電池による、前記必要最低電力レベル未満の電力レベルのみの伝送を許容する、動作点から、前記電池に供給される前記電流の関数として、前記電池の前記動作点を前記等電力曲線(10)に達するようにするために必要な時間として前記電池充電フェーズの継続期間を決定するステップと
を含むことを特徴とする請求項2に記載の方法。 - 前記コンピュータが、前記等電力曲線を局所的に線形化するステップであって、それにより前記電池が前記必要最低電力レベルを供給することができる電池温度と共に線形変化する充電状態閾値(BSOC(t@rehabilitation))を画定し、前記電池充電フェーズの継続期間がこの充電状態閾値に対して決定されるステップを含むことを特徴とする請求項3に記載の方法。
- 前記車両が、熱機関および少なくとも1つの電動機を備えたハイブリッド車両であり、
前記電池が、前記ハイブリッド車両の牽引電池であり、
前記電池充電フェーズは、前記ハイブリッド車両が前記少なくとも1つの電動機を発電機モードで使用することによって実施される、
請求項2から4のいずれか一項に記載の方法。 - 前記必要最低電力レベルが、前記ハイブリッド車両の停止・低速から所定の目標車両速度に至るまでの前記ハイブリッド車両のテイクオフを保証するために必要な牽引電力に対応することを特徴とする請求項5に記載の方法。
- 前記コンピュータが、前記電池性能回復フェーズの予測された継続期間を表示するステップを含むことを特徴とする請求項1から6のいずれか一項に記載の方法。
- 電池を必要最低電力レベルの供給を可能にする充電状態および温度条件にすることができる電池性能回復フェーズの継続期間を予測するためのデバイスであって、
BSOCが前記電池の充電状態を表し、また、Tが前記電池の温度を表す、平面(BSOC,T)内に、前記電池による前記必要最低電力レベルの伝送を可能にする前記電池の動作点を表す等電力曲線(10)を含む前記電池の動作モデルを記憶するための記憶手段であって、前記等電力曲線は、前記必要最低電力レベルより高い電力レベルの伝送を可能にする動作点を、前記電池による前記必要最低電力レベル未満の電力レベルのみの伝送を可能にする動作点から分離する曲線である、記憶手段と、
前記平面(BSOC,T)上の1つの動作点からの前記電池性能回復フェーズの継続期間を、記憶された前記動作モデルから予測することができる計算手段と、
を備えるデバイス。 - 請求項8に記載のデバイスを備えることを特徴とする自動車両。
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FR1454754A FR3021613B1 (fr) | 2014-05-27 | 2014-05-27 | Procede d'estimation du temps de rehabilitation de la performance d'une batterie de traction d'un vehicule hybride |
FR1454754 | 2014-05-27 | ||
PCT/FR2015/051297 WO2015181465A1 (fr) | 2014-05-27 | 2015-05-19 | Procédé d'estimation du temps de réhabilitation de la performance d'une batterie de traction d'un véhicule hybride |
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FR3065118B1 (fr) * | 2017-04-11 | 2019-04-19 | Peugeot Citroen Automobiles Sa | Procede de regulation thermique d'un systeme de batterie pour une recharge rapide d'un vehicule automobile electrique |
FR3070346B1 (fr) * | 2017-08-30 | 2021-01-01 | Renault Sas | Procede de gestion de l'etat de charge d'un vehicule hybride |
DE102021209524A1 (de) * | 2021-08-31 | 2023-03-02 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zur Bestimmung einer Verfügbarkeit eines elektrischen Energiespeichers, elektrischer Energiespeicher und Vorrichtung |
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JP3304777B2 (ja) * | 1996-08-22 | 2002-07-22 | トヨタ自動車株式会社 | 電動車両 |
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US9236639B2 (en) * | 2003-12-18 | 2016-01-12 | GM Global Technology Operations LLC | Thermoelectric methods to control temperature of batteries |
US20100145562A1 (en) * | 2004-12-01 | 2010-06-10 | Ise Corporation | Method of Controlling Engine Stop-Start Operation for Heavy-Duty Hybrid-Electric Vehicles |
US8294416B2 (en) * | 2005-10-28 | 2012-10-23 | Conti Temic Microelectronic Gmbh | Method and device for controlling the operating point of a battery |
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US7986055B2 (en) * | 2008-01-22 | 2011-07-26 | Honda Motor Co., Ltd. | Adjustment of control strategy based on temperature |
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