JP4449917B2 - 動力出力装置、その制御方法及び動力出力装置を搭載した車両 - Google Patents
動力出力装置、その制御方法及び動力出力装置を搭載した車両 Download PDFInfo
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- F02D41/02—Circuit arrangements for generating control signals
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Description
駆動軸に動力を出力する動力出力装置であって、
出力軸が前記駆動軸に接続された内燃機関と、
前記内燃機関からの排気を浄化する浄化触媒と、
前記浄化触媒の下流側に設けられ該浄化触媒を流通してきた排気中の酸素濃度によって出力が変化する酸素濃度検出手段と、
前記酸素濃度検出手段の出力の変化に基づいて前記浄化触媒の劣化判定を実行している触媒劣化判定期間中に前記内燃機関の所定の自動停止条件が成立したときには、前記内燃機関が無負荷運転となるよう前記内燃機関を制御する制御手段と、
を備えることを要旨とする。
駆動軸に動力を出力する動力出力装置であって、
出力軸が前記駆動軸に接続された内燃機関と、
前記内燃機関からの排気を浄化する浄化触媒と、
前記浄化触媒の下流側に設けられ該浄化触媒を流通してきた排気中の酸素濃度によって出力が変化する酸素濃度検出手段と、
前記内燃機関の出力軸と前記駆動軸とに接続され、電力と動力の入出力を伴って該内燃機関から出力される動力の少なくとも一部を該駆動軸に出力可能な電力動力入出力手段と、
前記駆動軸に動力を入出力可能な電動機と、
前記電力動力入出力手段及び前記電動機と電力のやり取りが可能な蓄電手段と、
前記駆動軸に出力すべき要求駆動力を設定する要求駆動力設定手段と、
前記酸素濃度検出手段の出力の変化に基づいて前記浄化触媒の劣化判定を実行している触媒劣化判定期間中に前記内燃機関の所定の自動停止条件が成立したときには、前記内燃機関が無負荷運転となると共に前記要求駆動力設定手段によって設定された要求駆動力に基づく動力が前記駆動軸に出力されるよう前記内燃機関と前記電力動力入出力手段と前記電動機とを制御する制御手段と、
を備えることを要旨とする。
出力軸が前記駆動軸に接続された内燃機関と、前記内燃機関からの排気を浄化する浄化触媒と、前記浄化触媒の下流側に設けられ該浄化触媒を流通してきた排気中の酸素濃度によって出力が変化する酸素濃度検出手段と、を備える動力出力装置の制御方法であって、
前記酸素濃度検出手段の出力の変化に基づいて前記浄化触媒の劣化判定を実行している触媒劣化判定期間中に前記内燃機関の所定の自動停止条件が成立したときには、前記内燃機関が無負荷運転となるよう前記内燃機関を制御する
ことを要旨とする。
出力軸が前記駆動軸に接続された内燃機関と、前記内燃機関からの排気を浄化する浄化触媒と、前記浄化触媒の下流側に設けられ該浄化触媒を流通してきた排気中の酸素濃度によって出力が変化する酸素濃度検出手段と、前記内燃機関の出力軸と前記駆動軸とに接続され、電力と動力の入出力を伴って該内燃機関から出力される動力の少なくとも一部を該駆動軸に出力可能な電力動力入出力手段と、前記駆動軸に動力を入出力可能な電動機と、前記電力動力入出力手段及び前記電動機と電力のやり取りが可能な蓄電手段と、を備える動力出力装置の制御方法であって、
(a)前記駆動軸に出力すべき要求駆動力を設定し、
(b)前記酸素濃度検出手段の出力の変化に基づいて前記浄化触媒の劣化判定を実行している触媒劣化判定期間中に前記内燃機関の所定の自動停止条件が成立したときには、前記内燃機関が無負荷運転となると共に前記要求駆動力設定手段によって設定された要求駆動力に基づく動力が前記駆動軸に出力されるよう前記内燃機関と前記電力動力入出力手段と前記電動機とを制御する、
ことを要旨とする。
Tm1*=前回Tm1*+k1(Nm1*-Nm1)+k2∫(Nm1*-Nm1)dt (2)
Tmax=(Wout-Tm1*・Nm1)/Nm2 (4)
Tm2tmp=(Tr*+Tm1*/ρ)/Gr (5)
Claims (11)
- 駆動軸に動力を出力する動力出力装置であって、
出力軸が前記駆動軸に接続された内燃機関と、
前記内燃機関からの排気を浄化する浄化触媒と、
前記浄化触媒の下流側に設けられ該浄化触媒を流通してきた排気中の酸素濃度によって出力が変化する酸素濃度検出手段と、
前記酸素濃度検出手段の出力の変化に基づいて前記浄化触媒の劣化判定を実行している触媒劣化判定期間中に前記内燃機関の所定の自動停止条件が成立したときには、前記内燃機関が無負荷運転となるよう前記内燃機関を制御する制御手段と、
を備える動力出力装置。 - 前記制御手段は、前記触媒劣化判定期間中に前記内燃機関を負荷運転するときには前記触媒劣化判定期間外に比べて前記内燃機関への要求動力を嵩上げし嵩上げ後の要求動力に基づく動力が前記内燃機関から出力されるよう前記内燃機関を制御する、
請求項1に記載の動力出力装置。 - 前記制御手段は、前記内燃機関への要求動力が所定の負荷量以上のときには前記内燃機関への要求動力の嵩上げを実行しない、
請求項2に記載の動力出力装置。 - 駆動軸に動力を出力する動力出力装置であって、
出力軸が前記駆動軸に接続された内燃機関と、
前記内燃機関からの排気を浄化する浄化触媒と、
前記浄化触媒の下流側に設けられ該浄化触媒を流通してきた排気中の酸素濃度によって出力が変化する酸素濃度検出手段と、
前記内燃機関の出力軸と前記駆動軸とに接続され、電力と動力の入出力を伴って該内燃機関から出力される動力の少なくとも一部を該駆動軸に出力可能な電力動力入出力手段と、
前記駆動軸に動力を入出力可能な電動機と、
前記電力動力入出力手段及び前記電動機と電力のやり取りが可能な蓄電手段と、
前記駆動軸に出力すべき要求駆動力を設定する要求駆動力設定手段と、
前記酸素濃度検出手段の出力の変化に基づいて前記浄化触媒の劣化判定を実行している触媒劣化判定期間中に前記内燃機関の所定の自動停止条件が成立したときには、前記内燃機関が無負荷運転となると共に前記要求駆動力設定手段によって設定された要求駆動力に基づく動力が前記駆動軸に出力されるよう前記内燃機関と前記電力動力入出力手段と前記電動機とを制御する制御手段と、
を備える動力出力装置。 - 前記制御手段は、前記触媒劣化判定期間中に前記内燃機関を負荷運転するときには前記触媒劣化判定期間外に比べて前記内燃機関への要求動力を嵩上げし嵩上げ後の要求動力に基づく動力が前記内燃機関から出力されるよう前記内燃機関と前記電力動力入出力手段と前記電動機とを制御する、
請求項4に記載の動力出力装置。 - 前記制御手段は、前記内燃機関への要求動力が所定の負荷量以上のときには前記内燃機関への要求動力の嵩上げを実行しない、
請求項5に記載の動力出力装置。 - 請求項4〜6のいずれかに記載の動力出力装置であって、
前記蓄電手段の充電可能範囲を検出する充電可能範囲検出手段を備え、
前記制御手段は、前記検出された充電可能範囲内で前記内燃機関への要求動力の嵩上げ量を設定する、
動力出力装置。 - 前記電力動力入出力手段は、動力を入出力可能な発電機と、前記内燃機関の出力軸と前記駆動軸と前記発電機の回転軸の3軸に接続され該3軸のうちいずれか2軸に入出力される動力に基づいて残余の軸に動力を入出力する3軸式動力入出力手段と、を備える手段である、
請求項4〜7のいずれかに記載の動力出力装置。 - 請求項1〜8のいずれかに記載の動力出力装置を搭載し、車軸が前記駆動軸に接続されて走行する車両。
- 出力軸が前記駆動軸に接続された内燃機関と、前記内燃機関からの排気を浄化する浄化触媒と、前記浄化触媒の下流側に設けられ該浄化触媒を流通してきた排気中の酸素濃度によって出力が変化する酸素濃度検出手段と、を備える動力出力装置の制御方法であって、
前記酸素濃度検出手段の出力の変化に基づいて前記浄化触媒の劣化判定を実行している触媒劣化判定期間中に前記内燃機関の自動停止条件が成立したときには、前記内燃機関が無負荷運転となるよう前記内燃機関を制御する、
動力出力装置の制御方法。 - 出力軸が前記駆動軸に接続された内燃機関と、前記内燃機関からの排気を浄化する浄化触媒と、前記浄化触媒の下流側に設けられ該浄化触媒を流通してきた排気中の酸素濃度によって出力が変化する酸素濃度検出手段と、前記内燃機関の出力軸と前記駆動軸とに接続され、電力と動力の入出力を伴って該内燃機関から出力される動力の少なくとも一部を該駆動軸に出力可能な電力動力入出力手段と、前記駆動軸に動力を入出力可能な電動機と、前記電力動力入出力手段及び前記電動機と電力のやり取りが可能な蓄電手段と、を備える動力出力装置の制御方法であって、
(a)前記駆動軸に出力すべき要求駆動力を設定し、
(b)前記酸素濃度検出手段の出力の変化に基づいて前記浄化触媒の劣化判定を実行している触媒劣化判定期間中に前記内燃機関の所定の自動停止条件が成立したときには、前記内燃機関が無負荷運転となると共に前記要求駆動力設定手段によって設定された要求駆動力に基づく動力が前記駆動軸に出力されるよう前記内燃機関と前記電力動力入出力手段と前記電動機とを制御する、
動力出力装置の制御方法。
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