JP6327238B2 - ハイブリッド車両の駆動制御装置 - Google Patents
ハイブリッド車両の駆動制御装置 Download PDFInfo
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- JP6327238B2 JP6327238B2 JP2015241855A JP2015241855A JP6327238B2 JP 6327238 B2 JP6327238 B2 JP 6327238B2 JP 2015241855 A JP2015241855 A JP 2015241855A JP 2015241855 A JP2015241855 A JP 2015241855A JP 6327238 B2 JP6327238 B2 JP 6327238B2
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- Mechanical Engineering (AREA)
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Description
切り替える場合に、前記第1クラッチ機構が解放しかつ前記第2クラッチ機構が係合した状態で前記内燃機関の停止制御を実行するように構成されていてよい。
Claims (6)
- 内燃機関と、
発電機能のある第1モータと、
駆動輪に駆動トルクを伝達する出力ギヤと、
前記内燃機関からトルクが伝達される入力軸と、
入力要素および前記第1モータのロータ軸に連結される反力要素ならびに前記出力ギヤにトルクを伝達する出力要素の少なくとも三つの回転要素を備え、前記三つの回転要素によって差動作用を行う動力分割機構と、
前記入力軸と前記入力要素との間に配置され、前記入力軸と前記入力要素との間でのトルク伝達を断続する第1クラッチ機構と、
前記ロータ軸と前記入力軸との間に配置され、前記ロータ軸と前記入力軸との間でのトルク伝達を断続する第2クラッチ機構と、
走行のための駆動トルクを出力し、出力された駆動トルクを前記出力ギヤから出力されたトルクに加える第2モータとを備え、
前記第1クラッチ機構と前記第2クラッチ機構とのうちの少なくとも前記第1クラッチ機構を係合した状態で、前記内燃機関と前記第2モータとから駆動トルクを出力して走行するシリーズパラレルモードと、前記第2クラッチ機構が係合し、かつ前記第1クラッチ機構が解放した状態で、前記内燃機関が出力した動力を前記第1モータにより電力に変換するとともに、前記第2モータから駆動トルクを出力して走行するシリーズモードと、前記内燃機関が停止した状態かつ前記第1クラッチ機構が係合した状態かつ前記第2クラッチ機構が解放した状態でかつ前記第2モータから駆動トルクを出力して走行しかつ前記第1モータを連れ回す第1EVモード、および前記内燃機関が停止した状態かつ前記第1クラッチ機構と前記第2クラッチ機構とのうちの少なくとも前記第1クラッチ機構が解放した状態で前記第2モータから駆動トルクを出力して走行しかつ第1モータを回転させない第2EVモードを含むEVモードとを切り替えることができるハイブリッド車両の駆動制御装置であって、
前記各クラッチ機構の係合および解放を制御するとともに、前記内燃機関の停止制御を実行するコントローラを備え、
前記コントローラは、前記内燃機関を停止しかつ前記EVモードに切り替えることを判断し、前記判断が成立した場合に、前記EVモードにおいて設定するべきモードが前記第1EVモードか前記第2EVモードかを判断し、判断されたモードが前記第1EVモードの場合には前記内燃機関を停止させる際に係合させるクラッチ機構を前記第1クラッチ機構に選択し、また、判断されたモードが前記第2EVモードの場合には前記内燃機関を停止させる際に係合させるクラッチ機構を前記第2クラッチ機構に選択し、前記選択されたクラッチ機構を係合した状態で前記内燃機関の停止制御を実行する
ことを特徴とするハイブリッド車両の駆動制御装置。 - 内燃機関と、
発電機能のある第1モータと、
駆動輪に駆動トルクを伝達する出力ギヤと、
前記内燃機関からトルクが伝達される入力軸と、
前記入力軸からトルクが伝達される入力要素および前記第1モータのロータ軸に連結される反力要素ならびに出力要素の少なくとも三つの回転要素を備え、前記三つの回転要素によって差動作用を行う動力分割機構と、
前記出力要素と前記出力ギヤとの間に配置され、前記出力要素と前記出力ギヤとの間でのトルク伝達を断続する第1クラッチ機構と、
前記ロータ軸と前記入力要素との間に配置され、前記ロータ軸と前記入力要素との間でのトルク伝達を断続する第2クラッチ機構と、
走行のための駆動トルクを出力し、出力された駆動トルクを前記出力ギヤから出力されたトルクに加える第2モータとを備え、
前記第1クラッチ機構と前記第2クラッチ機構とのうちの少なくとも前記第1クラッチ機構を係合した状態で、前記内燃機関と前記第2モータとから駆動トルクを出力して走行するシリーズパラレルモードと、前記第2クラッチ機構が係合し、かつ前記第1クラッチ機構が解放した状態で、前記内燃機関が出力した動力を前記第1モータにより電力に変換するとともに、前記第2モータから駆動トルクを出力して走行するシリーズモードと、前記内燃機関が停止した状態かつ前記第1クラッチ機構が係合した状態かつ前記第2クラッチ機構が解放した状態でかつ前記第2モータから駆動トルクを出力して走行しかつ前記第1モータを連れ回す第1EVモード、および前記内燃機関が停止した状態かつ前記第1クラッチ機構と前記第2クラッチ機構とのうちの少なくとも前記第1クラッチ機構が解放した状態で前記第2モータから駆動トルクを出力して走行しかつ第1モータを回転させない第2EVモードを含むEVモードとを切り替えることができるハイブリッド車両の駆動制御装置であって、
前記各クラッチ機構の係合および解放を制御するとともに、前記内燃機関の停止制御を実行するコントローラを備え、
前記コントローラは、
前記内燃機関を停止しかつ前記EVモードに切り替えることを判断し、
前記判断が成立した場合に、前記EVモードにおいて設定するべきモードが前記第1EVモードか前記第2EVモードかを判断し、
判断されたモードが前記第1EVモードの場合には、前記内燃機関を停止させる際に係合させるクラッチ機構を前記第1クラッチ機構に選択し、また、判断されたモードが前記第2EVモードの場合には、前記内燃機関を停止させる際に係合させるクラッチ機構を前記第2クラッチ機構に選択し、
前記選択されたクラッチ機構を係合した状態で前記内燃機関の停止制御を実行するように構成されている
ことを特徴とするハイブリッド車両の駆動制御装置。 - 請求項1または2に記載のハイブリッド車両の駆動制御装置において、
前記シリーズパラレルモードは、前記第1クラッチ機構が係合しかつ前記第2クラッチ機構が解放した第1シリーズパラレルモードと、前記第1クラッチ機構および前記第2クラッチ機構が係合した第2シリーズパラレルモードとを含み、
前記コントローラは、
前記第2シリーズパラレルモードから前記第2EVモードに切り替える場合に、前記第1クラッチ機構が解放しかつ前記第2クラッチ機構が係合した状態で前記内燃機関の停止制御を実行するように構成されている
ことを特徴とするハイブリッド車両の駆動制御装置。 - 請求項1または2に記載のハイブリッド車両の駆動制御装置において、
前記シリーズパラレルモードは、前記第1クラッチ機構が係合しかつ前記第2クラッチ機構が解放した第1シリーズパラレルモードと、前記第1クラッチ機構および前記第2クラッチ機構が係合した第2シリーズパラレルモードとを含み、
前記コントローラは、
前記第1シリーズパラレルモードから前記第2EVモードに切り替える場合に、前記第1クラッチ機構が係合しかつ前記第2クラッチ機構が解放した状態で前記内燃機関の停止制御を実行するように構成されている
ことを特徴とするハイブリッド車両の駆動制御装置。 - 請求項1ないし4のいずれか一項に記載のハイブリッド車両の駆動制御装置において、
前記コントローラは、
前記シリーズモードから前記第2EVモードに切り替える場合に、前記第1クラッチ機構が解放しかつ前記第2クラッチ機構が係合した状態で前記内燃機関の停止制御を実行するように構成されている
ことを特徴とするハイブリッド車両の駆動制御装置。 - 請求項1ないし5のいずれか一項に記載のハイブリッド車両の駆動制御装置において、
前記内燃機関の停止制御は、前記第1モータから前記内燃機関にトルクを伝達して前記内燃機関の回転を停止させるように構成されている
ことを特徴とするハイブリッド車両の駆動制御装置。
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