JP2012121381A - 回生制御装置、ハイブリッド自動車および回生制御方法、並びにプログラム - Google Patents
回生制御装置、ハイブリッド自動車および回生制御方法、並びにプログラム Download PDFInfo
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Abstract
【解決手段】SOCの値に対し、閾値A<B≦Cを設け、SOCの値が閾値A未満であるときには、電動機の回生トルクを制動力として利用し、SOCの値が閾値A以上であるときには、エンジンのエンジンブレーキと電動機の回生トルクとを共に制動力として利用し、SOCの値が閾値A未満であり、電動機の回生トルクを制動力として利用しているときに、SOCの値が閾値B以上となったときには、エンジンのエンジンブレーキと電動機の回生トルクとを共に制動力として利用し、SOCの値が閾値A以上、または閾値B以上であり、エンジンのエンジンブレーキと電動機の回生トルクとを共に制動力として利用しているときに、SOCの値が閾値C以上となったときには、回生発電の電力の制限を開始する制御を行うハイブリッド自動車を構成する。
【選択図】図3
Description
本実施の形態の効果を図7〜図9を参照して説明する。図7は、回生制御部30の回生制御におけるSOC(上段)、クラッチの断接状態(中段)、および減速度(下段)の関係を時間の経過と共に示す図である。なお、図7は、電力制限開始以前の状態を実線で示し、電力制限開始以降の状態を破線で示す。図8は、比較例の回生制御の処理を示すフローチャートである。図9は、比較例の回生制御の処理におけるSOC(上段)、クラッチの断接状態(中段)、および減速度(下段)の関係を時間の経過と共に示す図である。
図3のフローチャートの説明において、「以上」は、「超える」とし、「以下」は、「未満」とするなど、判定の境界値については様々に変更してもよい。
Claims (4)
- エンジンと電動機と前記電動機に電力を供給するバッテリとを有し、前記エンジンもしくは前記電動機、または前記エンジンと前記電動機とが協働して走行可能であり、少なくとも減速中に、前記電動機により回生発電が可能であると共に、前記電動機のみによる走行中に前記電動機の回生発電により生じる回生トルクを制動力として利用可能なハイブリッド自動車の回生制御装置において、
前記バッテリの充電状態を表す値に対し、第一、第二、第三の閾値が設けられ、前記第二の閾値は前記第一の閾値よりも大きい値であり、前記第三の閾値は前記第二の閾値以上の値であり、
前記バッテリの充電状態が前記第一の閾値未満または以下であるときには、前記電動機のみによる走行形態とし、前記電動機の回生トルクを制動力として利用し、前記バッテリの充電状態が前記第一の閾値以上または超えたときには、前記エンジンと前記電動機とが協働する走行形態とし、前記エンジンのエンジンブレーキと前記電動機の回生トルクとを共に制動力として利用し、
前記バッテリの充電状態が前記第一の閾値未満または以下であり、前記電動機のみによる走行形態とし、前記電動機の回生トルクを制動力として利用しているときに、前記バッテリの充電状態が前記第二の閾値以上または超えたときには、前記エンジンと前記電動機とが協働する走行形態とし、前記エンジンのエンジンブレーキと前記電動機の回生トルクとを共に制動力として利用し、
前記バッテリの充電状態が前記第一または前記第二の閾値以上または超えたときであり、前記エンジンと前記電動機とが協働する走行形態とし、前記エンジンのエンジンブレーキと前記電動機の回生トルクとを共に制動力として利用しているときに、前記バッテリの充電状態が前記第三の閾値以上または超えたときには、前記回生発電の電力の制限を開始する制御手段を有する、
ことを特徴とする回生制御装置。 - 請求項1記載の回生制御装置を有することを特徴とするハイブリッド自動車。
- エンジンと電動機と前記電動機に電力を供給するバッテリとを有し、前記エンジンもしくは前記電動機、または前記エンジンと前記電動機とが協働して走行可能であり、少なくとも減速中に、前記電動機により回生発電が可能であると共に、前記電動機のみによる走行中に前記電動機の回生発電により生じる回生トルクを制動力として利用可能なハイブリッド自動車の回生制御方法において、
前記バッテリの充電状態を表す値に対し、第一、第二、第三の閾値が設けられ、前記第二の閾値は前記第一の閾値よりも大きい値であり、前記第三の閾値は前記第二の閾値以上の値であり、
前記バッテリの充電状態が前記第一の閾値未満または以下であるときには、前記電動機のみによる走行形態とし、前記電動機の回生トルクを制動力として利用し、前記バッテリの充電状態が前記第一の閾値以上または超えたときには、前記エンジンと前記電動機とが協働する走行形態とし、前記エンジンのエンジンブレーキと前記電動機の回生トルクとを共に制動力として利用するステップと、
前記バッテリの充電状態が前記第一の閾値未満または以下であり、前記電動機のみによる走行形態とし、前記電動機の回生トルクを制動力として利用しているときに、前記バッテリの充電状態が前記第二の閾値以上または超えたときには、前記エンジンと前記電動機とが協働する走行形態とし、前記エンジンのエンジンブレーキと前記電動機の回生トルクとを共に制動力として利用するステップと、
前記バッテリの充電状態が前記第一または前記第二の閾値以上または超えたときであり、前記エンジンと前記電動機とが協働する走行形態とし、前記エンジンのエンジンブレーキと前記電動機の回生トルクとを共に制動力として利用しているときに、前記バッテリの充電状態が前記第三の閾値以上または超えたときには、前記回生発電の電力の制限を開始するステップと、
を有する、
ことを特徴とする回生制御方法。 - 情報処理装置に、請求項1記載の回生制御装置の機能を実現させることを特徴とするプログラム。
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