JP2008265533A - ハイブリッド車両の駆動制御装置 - Google Patents
ハイブリッド車両の駆動制御装置 Download PDFInfo
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- Automation & Control Theory (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
【解決手段】P→Dシフト操作に基づいてアイドル状態からの復帰判定が為されると、ステップS5で第2モータジェネレータMG2のトルクTMG2が一時的に制限されるため、アイドル状態からの急発進時に油圧の立ち上がりが遅れても、発進時に係合させられる第2ブレーキB2がスリップしたり第2モータジェネレータMG2が吹き上がったりすることが防止される。これにより、油圧の応答遅れによる第2ブレーキB2のスリップや第2モータジェネレータMG2の吹き上がりを回避しつつ、アイドル回転速度NEidl を低下させてエンジン騒音を低減することができる。
【選択図】図10
Description
図1は、本発明が適用されたハイブリッド車両の駆動制御装置10を説明する概略構成図である。図1において、この駆動制御装置10は、主駆動源である第1駆動力発生源12のトルクが出力部材として機能する出力軸14に伝達され、その出力軸14から差動歯車装置16を介して左右一対の駆動輪18にトルクが伝達されるようになっている。また、この駆動制御装置10には、走行のための駆動力を出力する力行制御およびエネルギを回収するための回生制御を選択的に実行可能な第2モータジェネレータMG2が第2駆動力発生源として設けられており、この第2モータジェネレータMG2は自動変速機22を介して出力軸14に連結されている。したがって、第2モータジェネレータMG2から出力軸14へ伝達されるトルクが、その自動変速機22で設定される変速比γs (=MG2の回転速度NMG2/出力軸14の回転速度NOUT )に応じて増減させられる。第2モータジェネレータMG2は走行用電動機に相当し、自動変速機22は油圧式動力伝達装置に相当する。
るまでは開弁状態とされるが、そのB1係合油圧PB1が供給されると閉弁状態に切り換えられて、第2ブレーキB2の係合が阻止される。
Claims (8)
- 走行用駆動源として用いられるエンジンおよび走行用電動機と、
少なくとも前記走行用電動機の動力伝達経路に配設され、油圧によって発生するトルク容量に基づいて動力を伝達する油圧式動力伝達装置と、
前記エンジンにより駆動される機械式オイルポンプと、前記走行用電動機とは別のポンプ用電動機により駆動される電動式オイルポンプとを備え、前記油圧式動力伝達装置に所定の油圧のオイルを供給する油圧制御回路と、
を有するハイブリッド車両の駆動制御装置において、
前記エンジンがアイドル状態から通常の出力状態へ復帰するか、復帰する可能性が高いことを判定する復帰判定手段と、
該復帰判定手段によって復帰判定が為されたら、前記走行用電動機のトルクの増大を一時的に制限するトルク制限手段と、
を有することを特徴とするハイブリッド車両の駆動制御装置。 - 一定の条件下で前記エンジンのアイドル回転速度を低下させるアイドル回転速度低下手段を有し、
前記復帰判定手段は、該アイドル回転速度低下手段による前記アイドル回転速度の低下制御が解除されるか否かを判定するものである
ことを特徴とする請求項1に記載のハイブリッド車両の駆動制御装置。 - 前記アイドル回転速度低下手段によって低下させられる前記アイドル回転速度は、前記油圧制御回路の油温をパラメータとして該油温が高い程高くなるように定められている
ことを特徴とする請求項2に記載のハイブリッド車両の駆動制御装置。 - 前記アイドル回転速度低下手段によって低下させられる前記アイドル回転速度は、前記トルク制限手段による前記走行用電動機のトルクの制限が所定範囲内となるように定められている
ことを特徴とする請求項2または3に記載のハイブリッド車両の駆動制御装置。 - 前記トルク制限手段は、所定の上昇勾配で大きくなる上限ガード値によって前記走行用電動機のトルクを制限するもので、該上昇勾配は、前記油圧制御回路の油温をパラメータとして該油温が低い程小さくなるように定められている
ことを特徴とする請求項1〜4の何れか1項に記載のハイブリッド車両の駆動制御装置。 - 前記トルク制限手段による前記走行用電動機のトルクの制限が所定範囲内となるように、前記復帰判定手段によって復帰判定が為された時に前記電動式オイルポンプを作動させてオイルの供給をアシストするとともに、前記エンジンがアイドル状態から復帰して前記機械式オイルポンプの回転速度が上昇させられることにより、前記油圧式動力伝達装置が前記走行用電動機のトルクを伝達するのに必要なトルク容量を確保できる油圧が得られる油圧回復状態に達したら、該電動式オイルポンプのアシストを終了する復帰時ポンプアシスト手段を有する
ことを特徴とする請求項1〜5の何れか1項に記載のハイブリッド車両の駆動制御装置。 - 前記エンジンがアイドル状態から復帰して前記機械式オイルポンプの回転速度が上昇させられることにより、前記油圧式動力伝達装置が前記走行用電動機のトルクを伝達するのに必要なトルク容量を確保できる油圧が得られる油圧回復状態に達したか否かを判断し、該油圧回復状態に達したら前記トルク制限手段による前記走行用電動機のトルクの制限を解除する解除手段を有する
ことを特徴とする請求項1〜6の何れか1項に記載のハイブリッド車両の駆動制御装置。 - 走行用駆動源として用いられるエンジンおよび走行用電動機と、
少なくとも前記走行用電動機の動力伝達経路に配設され、油圧によって発生するトルク容量に基づいて動力を伝達する油圧式動力伝達装置と、
前記エンジンにより駆動される機械式オイルポンプと、前記走行用電動機とは別のポンプ用電動機により駆動される電動式オイルポンプとを備え、前記油圧式動力伝達装置に所定の油圧のオイルを供給する油圧制御回路と、
を有するハイブリッド車両の駆動制御装置において、
前記エンジンのアイドル回転速度を設定するアイドル回転速度設定手段を有するとともに、
該アイドル回転速度設定手段によって設定される前記アイドル回転速度は、前記エンジンがアイドル状態から通常の出力状態へ復帰させられ、該エンジンにより前記機械式オイルポンプの回転速度が上昇させられる際に、前記油圧式動力伝達装置が前記走行用電動機のトルクを伝達するのに必要なトルク容量を確保できる油圧が得られるように、前記油圧制御回路の油温をパラメータとして該油温が高い程高くなるように定められている
ことを特徴とするハイブリッド車両の駆動制御装置。
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US12/225,193 US8517890B2 (en) | 2007-04-20 | 2008-04-11 | Drive control device for hybrid vehicle |
CN2008800001346A CN101541612B (zh) | 2007-04-20 | 2008-04-11 | 用于混合动力车辆的驱动控制设备 |
DE112008001456.6T DE112008001456B4 (de) | 2007-04-20 | 2008-04-11 | Antriebssteuerungsvorrichtung für ein Hybridfahrzeug |
PCT/JP2008/057213 WO2008133061A1 (ja) | 2007-04-20 | 2008-04-11 | ハイブリッド車両の駆動制御装置 |
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2007
- 2007-04-20 JP JP2007111550A patent/JP4412346B2/ja active Active
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2008
- 2008-04-11 DE DE112008001456.6T patent/DE112008001456B4/de not_active Expired - Fee Related
- 2008-04-11 CN CN2008800001346A patent/CN101541612B/zh not_active Expired - Fee Related
- 2008-04-11 WO PCT/JP2008/057213 patent/WO2008133061A1/ja active Application Filing
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JP2010241378A (ja) * | 2009-04-09 | 2010-10-28 | Toyota Motor Corp | 車両用動力伝達装置の制御装置 |
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JP2013136360A (ja) * | 2011-12-28 | 2013-07-11 | Toyota Motor Corp | 車両制御システム |
JP2014163302A (ja) * | 2013-02-26 | 2014-09-08 | Daihatsu Motor Co Ltd | 内燃機関 |
JP2016084729A (ja) * | 2014-10-24 | 2016-05-19 | 日産自動車株式会社 | 内燃機関の制御装置 |
WO2017169509A1 (ja) * | 2016-03-30 | 2017-10-05 | アイシン・エィ・ダブリュ株式会社 | 制御装置 |
US10518774B2 (en) | 2016-03-30 | 2019-12-31 | Aisin Aw Co., Ltd. | Control device |
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CN101541612B (zh) | 2012-08-29 |
DE112008001456T5 (de) | 2010-04-15 |
JP4412346B2 (ja) | 2010-02-10 |
US20100263951A1 (en) | 2010-10-21 |
DE112008001456B4 (de) | 2017-05-11 |
US8517890B2 (en) | 2013-08-27 |
CN101541612A (zh) | 2009-09-23 |
WO2008133061A1 (ja) | 2008-11-06 |
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