JP2023136147A - ハイブリッド車両 - Google Patents
ハイブリッド車両 Download PDFInfo
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- JP2023136147A JP2023136147A JP2022041614A JP2022041614A JP2023136147A JP 2023136147 A JP2023136147 A JP 2023136147A JP 2022041614 A JP2022041614 A JP 2022041614A JP 2022041614 A JP2022041614 A JP 2022041614A JP 2023136147 A JP2023136147 A JP 2023136147A
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- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/192—Mitigating problems related to power-up or power-down of the driveline, e.g. start-up of a cold engine
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Hybrid Electric Vehicles (AREA)
- Electrical Control Of Ignition Timing (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
図1は、ハイブリッド車両1の概略構成図である。ハイブリッド車両1には、エンジン10から駆動輪13までの動力伝達経路に、K0クラッチ14、モータ15、トルクコンバータ18、及び変速機19が順に設けられている。エンジン10及びモータ15は、ハイブリッド車両1の走行用駆動源として搭載されている。エンジン10は、例えばV型6気筒ガソリンエンジンであるが気筒数はこれに限定されず、直列型のガソリンエンジンであってもよいし、ディーゼルエンジンであってもよい。K0クラッチ14、モータ15、トルクコンバータ18、及び変速機19は、変速ユニット11内に設けられている。変速ユニット11と左右の駆動輪13とは、プロペラシャフト12a及びディファレンシャル12を介して駆動連結されている。
図2は、エンジン10の概略構成図である。エンジン10は、気筒30、ピストン31、コネクティングロッド32、クランク軸33、吸気通路35、吸気弁36、排気通路37、及び排気弁38を有している。図2には、エンジン10が有する複数の気筒30のうちの一つのみが表示されている。気筒30では混合気の燃焼が行われる。ピストン31は、各気筒30に往復動可能に収容され、エンジン10の出力軸であるクランク軸33にコネクティングロッド32を介して連結されている。コネクティングロッド32は、ピストン31の往復運動をクランク軸33の回転運動に変換する。
図3は、ECU100が実行するエンジン始動制御の一例を示したフローチャートである。本制御では、イグニッションがオンの状態で所定の周期ごとに繰り返し実行される。ECU100は、エンジン10の始動要求があるか否かを判定する(ステップS1)。ステップS1でNoの場合には、本制御は終了する。ステップS1でYesの場合にECU100は、アクセル開度が閾値α以上であるか否かを判定する(ステップS2)。閾値αは、運転者による加速要求の度合いが大きく点火時期の進角が必要となる最小値に設定されている。ステップS2は、判定部が実行する処理の一例である。
次に、上述した予測モータ回転数を算出するためのモータ回転数予測制御について説明する。モータ回転数予測制御は、予測部が実行する処理の一例である。図5は、モータ回転数予測制御の一例を示したフローチャートである。モータ回転数予測制御は、エンジン10の始動要求があってアクセル開度が閾値α以上の場合に実行される。
14 K0クラッチ
15 モータ
72 クランク角センサ(エンジン回転数検出部)
73 モータ回転数センサ(モータ回転数検出部)
74 アクセル開度センサ(アクセル開度検出部)
76 水温センサ(エンジン温度検出部)
100 ECU(判定部、点火時期制御部、予測部)
Claims (6)
- エンジンと、
前記エンジンから駆動輪までの動力伝達経路上に設けられたモータと、
前記エンジンと前記モータとの間の前記動力伝達経路上に設けられたクラッチと、
アクセル開度を検出するアクセル開度検出部と、
前記クラッチが解放状態で前記エンジンの始動要求がある場合に、前記クラッチを介して前記モータにより前記エンジンをクランキングしつつ前記エンジンの燃焼を開始して前記クラッチを係合する制御装置と、を備え、
前記制御装置は、
前記エンジンの始動要求がある場合において前記アクセル開度が閾値以上であるか否かを判定する判定部と、
前記判定部により肯定判定がなされた場合に、前記判定部により否定判定がなされた場合よりも、前記エンジンの点火時期を進角させる点火時期制御部と、を含む、ハイブリッド車両。 - 前記制御装置は、前記クラッチの係合時での前記モータの回転数を予測する予測部を含み、
前記点火時期制御部は、予測された前記モータの回転数が高いほど前記点火時期を進角させる、請求項1のハイブリッド車両。 - 前記モータの回転数を検出するモータ回転数検出部を備え、
前記点火時期制御部は、前記モータの回転数が高いほど前記点火時期を進角させる、請求項1のハイブリッド車両。 - 前記エンジンの温度を検出する温度検出部を備え、
前記点火時期制御部は、前記エンジンの温度が低いほど前記点火時期を進角させる、請求項1乃至3の何れかのハイブリッド車両。 - 前記エンジンの回転数を検出するエンジン回転数検出部を備え、
前記点火時期制御部は、前記エンジンの回転数が高いほど前記点火時期を進角させる、請求項1乃至4の何れかのハイブリッド車両。 - 前記点火時期制御部は、前記アクセル開度が大きいほど前記点火時期を進角させる、請求項1乃至5の何れかのハイブリッド車両。
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