JP2007230255A - 車両制御装置 - Google Patents
車両制御装置 Download PDFInfo
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- B60W20/00—Control systems specially adapted for hybrid vehicles
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- 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
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Abstract
【解決手段】車両制御装置100において、ハイブリッドECU7は、車両1の停止中に所定の条件が満たされた場合に、エンジン2を自動的に停止および始動する。ブレーキECU70は、車輪に付与する制動力を制御する。ハイブリッドECU7は、車両1の停止中に変速機5のシフトポジションとして走行ポジションが選択されていない場合、エンジン2を始動する際に車輪に制動力が付与されるようにブレーキECU70を制御する。これによりエンジン2の始動の際の車両1の振動を抑制することができる。
【選択図】図1
Description
図1は、本発明の一実施形態に係る車両制御装置が適用された車両を示す概略構成図である。図1に示される車両1は、いわゆるハイブリッドシステムを採用した車両として構成されており、駆動源としてのエンジン2と、エンジン2の出力軸であるクランクシャフトに接続された3軸式の動力分割機構3と、動力分割機構3に接続された発電可能なモータジェネレータ4と、変速機5を介して動力分割機構3に接続された電動モータ6と、車両1の駆動系全体を制御するハイブリッド用電子制御ユニット(以下、「ハイブリッドECU」といい、電子制御ユニットは、すべて「ECU」と称する。)7とを備える。変速機5には、ドライブシャフト8を介して車両1の駆動輪たる右前輪9FRおよび左前輪9FLが連結される。
上述のようなハイブリッドシステムを採用した車両1においては、車両が停車している場合にシフトポジションが走行ポジションではない、例えばPポジションであるとき、低燃費・低エミッション化を図るため、エンジン2を自動的に停止する。また、エンジン2が停止した状態でエアコンやステレオ等の電装品を使用し続けると、バッテリ12の充電状態(SOC値)が低下するためバッテリ12の充電をするためにエンジン2を始動する。
図5は、第2の実施形態に係るブレーキ作動制御を示すフローチャートである。図5を参照して、再始動したエンジン2が停止する際におけるブレーキ作動制御を説明する。
図7は、第3の実施形態に係るブレーキ作動制御を示すフローチャートである。図7を参照して、再始動したエンジン2が停止する際におけるブレーキ作動制御を説明する。なお、第1の実施形態および第2の実施形態と重複する内容は適宜省略して説明する。
上述の各実施形態においては、車輪に制動力を付与するものとして油圧ブレーキを例に説明しているが、第4の実施形態では、ハイブリッドECU7は、車輪に油圧ブレーキ以外のパーキングブレーキにより制動力が付与されている場合、エンジン2を始動する際に油圧ブレーキにより車輪に制動力を付与する制御を行わない。
Claims (5)
- 車両の停止中に所定の条件が満たされた場合に、駆動源を自動的に停止および始動する駆動源制御装置と、
車輪に付与する制動力を制御する制動力制御装置と、を備え、
前記駆動源制御装置は、車両の停止中に変速機のシフトポジションとして走行ポジションが選択されていない場合、前記駆動源を始動する際に車輪に制動力が付与されるように前記制動力制御装置を制御することを特徴とする車両制御装置。 - 前記駆動源制御装置は、駆動源を始動する際に車輪に付与された制動力が、走行ポジションが選択されていない期間保持されるように前記制動力制御装置を制御することを特徴とする請求項1に記載の車両制御装置。
- 前記駆動源制御装置は、走行ポジションが選択されていない期間において制動力が保持されている時間が所定の時間を超えた場合、制動力が解除されるように前記制動力制御装置を制御することを特徴とする請求項1または2に記載の車両制御装置。
- 前記制動力が解除されるタイミングは、前記駆動源が停止している期間であることを特徴とする請求項3に記載の車両制御装置。
- 前記駆動源制御装置は、前記車輪に油圧ブレーキ以外の制動装置により制動力が付与されている場合、前記駆動源を始動する際に油圧ブレーキにより車輪に制動力を付与する制御を行わないことを特徴とする請求項1乃至4のいずれかに記載の車両制御装置。
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US11/677,715 US7950749B2 (en) | 2006-02-27 | 2007-02-22 | Vehicle control apparatus and vehicle control method |
DE102007008930A DE102007008930A1 (de) | 2006-02-27 | 2007-02-23 | Fahrzeugsteuervorrichtung und Fahrzeugsteuerverfahren |
CN2007100799495A CN101028821B (zh) | 2006-02-27 | 2007-02-27 | 车辆控制装置和车辆控制方法 |
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CN101028821B (zh) | 2010-04-07 |
US20070200424A1 (en) | 2007-08-30 |
DE102007008930A1 (de) | 2007-10-04 |
US7950749B2 (en) | 2011-05-31 |
CN101028821A (zh) | 2007-09-05 |
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