JP7000879B2 - 車両の制御装置 - Google Patents
車両の制御装置 Download PDFInfo
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- JP7000879B2 JP7000879B2 JP2018013257A JP2018013257A JP7000879B2 JP 7000879 B2 JP7000879 B2 JP 7000879B2 JP 2018013257 A JP2018013257 A JP 2018013257A JP 2018013257 A JP2018013257 A JP 2018013257A JP 7000879 B2 JP7000879 B2 JP 7000879B2
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
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Description
上記実施形態においては、パラメータとして、エンジン11に注入されたエンジンオイルの油温Oeを用い、第一トルク補正部32が第一トルクT1を補正して補正後第一トルクT1dを算出し、第二トルク補正部34が第二トルクT2を補正して補正後第二トルクT2dを算出するようにした。ところで、クラッチ12が摩擦係合している状態では、クランクシャフト11aに対して、電動モータ13のモータシャフト13a及びトルクコンバータ14が直結されている。又、電動モータ13に注入された作動オイルの粘度及びトルクコンバータ14に注入された作動オイルの粘度も、エンジンオイルと同様に、低温で粘度が増大し高温で粘度が低下するため、エンジン11の回転数Neを低減するように即ちクランクシャフト11aの回転を制動するように作用するトルク(粘性トルク)を生じ得る。
上記実施形態においては、第一トルク算出部31及び第二トルク算出部33は、クランクシャフト11aのクランク角θ1の時間変化に基づいて、エンジン11の回転数Neを算出し、第一トルクT1及び第二トルクT2を算出するようにした。ところで、クラッチ12が摩擦係合している状態では、クランクシャフト11aに対して、電動モータ13のモータシャフト13a及びトルクコンバータ14が直結されている。このため、クランク角θ1と、電動モータ13のモータ回転角θ2及びトルクコンバータ14のタービン角θ3とは、一の関係を有しているため、クランク角θ1をモータ回転角θ2又はタービン角θ3を用いて決定することができる。
上記実施形態及び上記各変形例においては、電動モータ13のモータシャフト13aの一端をダンパDに直結し、他端をトルクコンバータ14(例えば、ポンプインペラ)に直結するようにした。これに代えて、図13に示すように、ダンパDとトルクコンバータ14(ポンプインペラ)とをシャフト18により連結し、シャフト18に一体に設けたギヤ機構19を介して電動モータ13のモータシャフト13aを連結するように構成することも可能である。
Claims (5)
- エンジンと、
トランスミッションと、
前記エンジンのクランクシャフト及び前記トランスミッションのインプットシャフトを断接するクラッチと、
前記トランスミッションのドライブシャフトに接続された車輪と、
少なくとも前記クランクシャフトにトルク伝達可能に配置された電動モータと、を有する車両に適用されて、
前記エンジンの運転状態が作動から停止に移行する際に前記エンジンの回転数を低減するように前記電動モータの駆動を制御する車両の制御装置であって、
前記エンジンの前記運転状態が前記停止に移行する際に発生する振動の振幅を増幅させる振動増幅域にて、前記クランクシャフトの回転角であるクランク角が前記エンジンの上死点に対応する回転角である上死点角に一致することを回避するように、前記クランクシャフトの回転を制御する、ように構成された、車両の制御装置。 - 前記エンジンの前記回転数を低減させる第一トルクを算出する第一トルク算出部と、
前記エンジンの前記回転数を低減させることに関連するパラメータに基づいて、前記パラメータが前記エンジンの前記回転数の低減に寄与する場合、前記パラメータが前記低減に寄与しない場合に比べて前記第一トルクが小さくなるように補正して、補正後第一トルクを算出する第一トルク補正部と、
前記クランク角が前記上死点角と一致する時期を遅らせる第二トルクを算出する第二トルク算出部と、
前記パラメータに基づいて、前記パラメータが前記クランク角と前記上死点角との一致を遅らせることに寄与する場合、前記パラメータが前記一致を遅らせない場合に比べて前記第二トルクが小さくなるように補正して、補正後第二トルクを算出する第二トルク補正部と、
前記補正後第一トルクと前記補正後第二トルクとを加算して、前記停止に移行する際に前記エンジンに発生する振動を制振するための制振制御トルク指令を算出する指令トルク算出部と、
前記クランクシャフトを介して制振制御トルクが前記エンジンに伝達するように、前記制振制御トルク指令に基づいて前記電動モータを駆動制御して前記制振制御トルクを発生させる駆動制御部と、を備えた、請求項1に記載の車両の制御装置。 - 前記第二トルク算出部は、
前記クランク角と前記上死点角との差分が小さいほど前記第二トルクを大きく算出し、前記差分が大きいほど前記第二トルクを小さく算出する、請求項2に記載の車両の制御装置。 - 前記トランスミッションは、
前記インプットシャフトに設けられたトルクコンバータを介して前記エンジン及び前記電動モータと連結されており、
前記パラメータは、
前記エンジンに注入されたエンジンオイルの油温、前記電動モータに注入された作動オイルの油温、及び、前記トルクコンバータに注入された作動オイルの油温のうちの一つである、請求項2又は請求項3に記載の車両の制御装置。 - 前記クランク角は、
前記電動モータの回転角、又は、前記トルクコンバータの回転角に基づいて決定される、請求項4に記載の車両の制御装置。
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