JP2016196243A - ハイブリッド車両の動力伝達装置 - Google Patents
ハイブリッド車両の動力伝達装置 Download PDFInfo
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- JP2016196243A JP2016196243A JP2015076932A JP2015076932A JP2016196243A JP 2016196243 A JP2016196243 A JP 2016196243A JP 2015076932 A JP2015076932 A JP 2015076932A JP 2015076932 A JP2015076932 A JP 2015076932A JP 2016196243 A JP2016196243 A JP 2016196243A
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- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
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Abstract
Description
本実施形態に係るハイブリッド車両の動力伝達装置は、ハイブリッド車両の駆動源としてのエンジンE及びモータMによる駆動力を車輪(駆動輪D)に伝達又は遮断するためのものであり、図1及び図2に示すように、第1クラッチ手段1aと、第2クラッチ手段1bと、変速機Aと、クラッチ制御手段3、モータ制御手段4及びエンジン制御手段5を有したハイブリッドECU2とを主に有している。
先ず、図5に示すように、アクセル開度と車速に応じて、同図に示す変速マップにより変速レシオを設定し、その変速レシオになるように変速機Aを変速制御する(S1)とともに、図6に示すように、アクセル開度、車速及び変速レシオに応じて、目標変速機入力トルク(TI)を設定する(S2)。なお、図6は、レシオがLOWのときのマップを示している)。
先ず、S1にて走行モードがモータか否か判断され、当該走行モードがモータである場合、S6に進み、モータトルク(TM)を目標変速機入力トルク(TI)に設定した後、S9にてモータMを運転状態とする。S1において、走行モードがモータでないと判断された場合、S2に進み、走行モードがエンジンか否かが判断され、当該走行モードがエンジンであると判断された場合、S8に進み、モータ回転(NM)が0より大きいか否かが判断される。そして、S8において、モータ回転(NM)が0より大きいと判断された場合、S11にてモータMによるモータの回転エネルギの回生が行われるとともに、モータ回転(NM)が0と判断された場合、S12にてモータMを停止させる。
先ず、S1にて走行モードがモータであるか否か判断され、走行モードがモータであると判断された場合、S7に進み、第1クラッチ手段1aのクラッチ容量(TC1)を0に設定するとともに、走行モードがモータでないと判断された場合、S2に進み、走行モードがエンジンであるか否かが判断される。
先ず、S1にて走行モードがモータであるか否か判断され、走行モードがモータであると判断された場合、S4に進み、モータ回転(NM)と変速機入力回転(NI)との差回転が所定回転数以内か否かが判断される。そして、S4において、モータ回転(NM)と変速機入力回転(NI)との差回転が所定回転数以内であると判断された場合、S6に進み、TC2HをΔTC2だけ除いた値(減算した値)に設定した後、S9にて、クラッチ容量(TC2)をT1+TC1+TC2Hに設定する。
先ず、S1にて走行モードがモータであるか否か判断され、走行モードがモータであると判断されると、S8に進んでエンジンEを停止状態とした後、S13にて燃料カット状態(フューエルカット)とする。また、S1において、走行モードがモータでないと判断されると、S2に進んで、走行モードがエンジンであるか否かが判断され、走行モードがエンジンである場合、S11にてエンジンEを運転状態とした後、S15にて燃料制御(噴射或いは燃料カット)が行われる。
2 ハイブリッドECU
3 クラッチ制御手段
4 モータ制御手段
5 エンジン制御手段
6 油圧制御回路
E エンジン
M モータ
A 変速機
D 駆動輪
Claims (8)
- 車両が搭載するエンジンから駆動輪に至る動力伝達系の途中に配設されて当該エンジンの駆動力を駆動輪に対して伝達又は遮断可能な第1クラッチ手段と、
車両が搭載するモータから駆動輪に至る動力伝達系の途中に配設されて当該モータの駆動力を駆動輪に対して伝達又は遮断可能な第2クラッチ手段と、
を具備し、車両の走行状況に応じて前記第1クラッチ手段及び第2クラッチ手段を任意に作動可能とされたハイブリッド車両の動力伝達装置であって、
前記モータから前記第1クラッチ手段及び第2クラッチ手段を介して前記エンジンに動力を伝達させて当該エンジンを始動する際、前記第1クラッチ手段及び第2クラッチ手段をスリップ制御させることを特徴とするハイブリッド車両の動力伝達装置。 - 前記モータから前記第1クラッチ手段及び第2クラッチ手段を介して前記エンジンに動力を伝達させて当該エンジンを始動する際、前記第2クラッチ手段による伝達トルクから前記第1クラッチ手段による伝達トルクを除いたトルクが、所定トルクになるように前記第1クラッチ手段及び第2クラッチ手段をスリップ制御させることを特徴とする請求項1記載のハイブリッド車両の動力伝達装置。
- 前記エンジン及びモータと前記駆動輪との間の動力伝達系に配設された変速機を備え、アクセル開度、車速及び変速レシオに応じて目標変速機入力トルクが設定されるとともに、前記所定トルクが当該目標変速機入力トルクとなるように前記第1クラッチ手段及び第2クラッチ手段をスリップ制御させることを特徴とする請求項2記載のハイブリッド車両の動力伝達装置。
- 前記モータから前記第1クラッチ手段及び第2クラッチ手段を介して前記エンジンに動力を伝達させて当該エンジンを始動する際、前記エンジンの回転を上げる前に、前記モータの回転数を高くするように、前記第2クラッチ手段をスリップ制御させることを特徴とする請求項1〜3の何れか1つに記載のハイブリッド車両の動力伝達装置。
- 前記第1クラッチ手段は、オフしている状態で摩擦材が接触しないよう隙間を設けるものとされるとともに、前記モータから前記第1クラッチ手段及び第2クラッチ手段を介して前記エンジンに動力を伝達させて当該エンジンを始動する際、前記エンジンの回転を上げる前に、前記第1クラッチ手段の摩擦材が接触して隙間がなく、且つ、伝達トルクが小さい無効ストローク詰め状態とすることを特徴とする請求項1〜4の何れか1つに記載のハイブリッド車両の動力伝達装置。
- 前記第1クラッチ手段は、オフしている状態で摩擦材が接触しないよう隙間を設けるものとされるとともに、前記モータから前記第1クラッチ手段及び第2クラッチ手段を介して前記エンジンに動力を伝達させて当該エンジンを始動する際、前記エンジンがセルフ始動回転数以上になったとき、前記第1クラッチ手段の摩擦材が接触して隙間がなく、且つ、伝達トルクが小さい無効ストローク詰め状態とすることを特徴とする請求項1〜5の何れか1つに記載のハイブリッド車両の動力伝達装置。
- 前記モータから前記第1クラッチ手段及び第2クラッチ手段を介して前記エンジンに動力を伝達させて当該エンジンを始動する際、前記第1クラッチ手段をスリップ制御させているとき、前記エンジンが回転した状態で、且つ、燃料の供給を再開すればエンジンの始動が可能なセルフ始動回転数より低い状態で、当該エンジンに燃料の供給を行わせることを特徴とする請求項1〜6の何れか1つに記載のハイブリッド車両の動力伝達装置。
- 前記エンジンが始動した後、当該エンジンのみによる走行状態に切り替える際、前記第1クラッチ手段の差回転が所定値以内になってから、前記第2クラッチ手段をオフさせて前記モータにおける回転エネルギの回生を行わせることを特徴とする請求項1〜7の何れか1つに記載のハイブリッド車両の動力伝達装置。
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