JP2022015053A - 車両の制御装置 - Google Patents
車両の制御装置 Download PDFInfo
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- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
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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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Abstract
【解決手段】車両の制御装置は、運転者のアクセル操作量に基づいて車両の走行トルクの目標値である目標走行トルクTAを算出する目標走行トルク算出部と、目標走行トルクTAに基づいて、目標エンジントルクTE及び目標モータトルクTMを算出する目標トルク算出部と、目標エンジントルクTEに基づいてエンジンのトルクを制御するとともに目標モータトルクTMに基づいてモータジェネレータのトルクを制御するトルク制御部と、を備えている。目標トルク算出部は、目標走行トルクTAがモータジェネレータの出力可能なトルクの最大値である最大出力値よりも小さい値として予め定められた閾値Aよりも大きいことを条件に、目標走行トルクTAが閾値A以下である場合と比べて目標走行トルクTAに対する目標エンジントルクTEの割合を増大させる増大処理を実行する。
【選択図】図2
Description
図1に示すように、車両100は、火花点火式のエンジン10を備えている。車両100は、電動機及び発電機の双方の機能を兼ね備えるモータジェネレータ40を備えている。車両100は、駆動源として、エンジン10及びモータジェネレータ40を備える、いわゆるハイブリッド車両である。
クランクシャフト11は、第1クラッチ31を介して連結軸36に接続されている。第1クラッチ31は、当該第1クラッチ31の内部に供給される油圧によって当該第1クラッチ31の接続状態を係合状態及び解放状態の間で選択的に切り替える。モータジェネレータ40は、連結軸36に接続されている。
条件(2):ブレーキ操作量BRAが「0」よりも大きい。
条件(3):車速SPが「0」である。
ステップS81において、許容値設定部230は、モータジェネレータ40に入力可能なトルクの最大値である最大入力値に基づいて、第1許容値Z1を算出する。具体的には、許容値設定部230は、第1許容値Z1として、最大入力値と同じ値を設定する。その後、許容値設定部230は、処理をステップS82に進める。
(1)図4に示すように、時刻t10以降において、時間経過に応じて目標走行トルクTAが次第に大きくなるとする。また、時刻t10以降において、アクセル操作量ACCが「0」よりも大きく、且つ、ブレーキ操作量BRAが「0」になっているとする。さらに、時刻t11以降において、アクセル操作量ACCが所定操作量C以上になっているとする。
・上記実施形態において、第1トルク制御は変更できる。例えば、ステップS11の処理における閾値Aは、エンジン10のトルクの増加速度が変化する、当該エンジン10のトルクの一定値と同じ値である必要はなく、上記の一定値より大きくなっていたり、小さくなっていたりしてもよい。この構成においても、閾値Aは、モータジェネレータ40の出力可能なトルクの最大値である最大出力値よりも小さい値として定められていればよい。
・例えば、ステップS41の処理における補正構成は変更してもよい。具体例としては、目標トルク算出部220は、目標走行トルクTAに対する目標エンジントルクTEの割合が増加するように、エンジン10及びモータジェネレータ40のトルク配分を変更してもよい。同様に、ステップS42の処理における補正構成は変更してもよい。
TA…目標走行トルク
TB…バッテリ温
TE…目標エンジントルク
TM…目標モータトルク
Win…入力制限電力
Z…許容値
Z1…第1許容値
Z2…第2許容値
10…エンジン
16…ターボチャージャ
31…第1クラッチ
32…第2クラッチ
40…モータジェネレータ
63…駆動輪
71…バッテリ
100…車両
200…制御装置
210…目標走行トルク算出部
220…目標トルク算出部
230…許容値設定部
240…制御部
Claims (8)
- 駆動源としてのエンジンと、駆動源としてのモータジェネレータと、前記モータジェネレータに電力を供給するバッテリとを備え、前記エンジンが過給機を有する車両を制御する制御装置であって、
運転者のアクセル操作量に基づいて車両の走行トルクの目標値である目標走行トルクを算出する目標走行トルク算出部と、
前記目標走行トルクに基づいて、前記エンジンのトルクの目標値である目標エンジントルク、及び前記モータジェネレータのトルクの目標値である目標モータトルクを算出する目標トルク算出部と、
前記目標エンジントルクに基づいて前記エンジンのトルクを制御するとともに前記目標モータトルクに基づいて前記モータジェネレータのトルクを制御するトルク制御部と、を備え、
前記目標トルク算出部は、
前記目標走行トルクが前記モータジェネレータの出力可能なトルクの最大値である最大出力値よりも小さい値として予め定められた閾値よりも大きいことを条件に、前記目標走行トルクが前記閾値以下である場合と比べて前記目標走行トルクに対する前記目標エンジントルクの割合を増大させる増大処理を実行する
車両の制御装置。 - 前記目標トルク算出部は、
前記目標走行トルクが前記閾値よりも大きい状態が予め定められた所定時間以上継続したことを条件に、前記増大処理を実行する
請求項1に記載の車両の制御装置。 - 前記目標トルク算出部は、
前記目標走行トルクが前記閾値よりも大きく、且つ、前記アクセル操作量が予め定められた所定操作量以上であることを条件に、前記増大処理を実行する
請求項1に記載の車両の制御装置。 - 前記目標トルク算出部は、
前記目標走行トルクが前記閾値よりも大きく、且つ、前記アクセル操作量及び運転者のブレーキ操作量がいずれもゼロよりも大きいことを条件に、前記増大処理を実行する
請求項1に記載の車両の制御装置。 - 前記車両は、
前記エンジンから前記車両の駆動輪までの動力伝達経路において前記動力伝達経路における動力の伝達を遮断するクラッチを備え、
前記制御装置は、
前記エンジンのトルクの上限値である許容値を設定する許容値設定部を備え、
前記トルク算出部は、
前記許容値を超えないように前記目標エンジントルクを算出する
請求項4に記載の車両の制御装置。 - 前記モータジェネレータは、前記動力伝達経路における前記エンジンと前記クラッチとの間に設けられており、
前記制御部は、
前記目標走行トルクが前記閾値よりも大きく、且つ、前記アクセル操作量及び前記ブレーキ操作量がいずれもゼロよりも大きい場合には、前記増大処理を実行するとともに、前記エンジンのトルクを用いた前記モータジェネレータの発電が行われるように前記モータジェネレータを制御する処理を実行する
請求項5に記載の車両の制御装置。 - 前記許容値設定部は、
前記モータジェネレータに入力可能なトルクの最大値である最大入力値、及び前記バッテリに入力する電力の制限値である入力制限電力の少なくとも一方に基づいて、前記許容値を設定する
請求項6に記載の車両の制御装置。 - 前記許容値設定部は、
前記最大入力値に基づいて第1許容値を算出するとともに、前記入力制限電力に基づいて第2許容値を算出し、
前記第1許容値及び前記第2許容値のうちの小さい値を、前記許容値として設定する
請求項7に記載の車両の制御装置。
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DE102021117369.8A DE102021117369A1 (de) | 2020-07-08 | 2021-07-06 | Steuerung für ein Fahrzeug und Steuerungsverfahren für ein Fahrzeug |
CN202110759950.2A CN113978446A (zh) | 2020-07-08 | 2021-07-06 | 车辆的控制装置及方法 |
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JP3744496B2 (ja) * | 2003-01-29 | 2006-02-08 | トヨタ自動車株式会社 | 電動機を利用しながら圧縮比の切り換えを行う内燃機関、および内燃機関の制御方法 |
JP4494266B2 (ja) * | 2005-03-28 | 2010-06-30 | 三菱ふそうトラック・バス株式会社 | ハイブリッド車両の変速制御装置 |
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EP2189318B1 (en) * | 2008-11-19 | 2012-06-06 | Honda Motor Co., Ltd. | Dual clutch hybrid transmission |
KR101371475B1 (ko) * | 2012-10-31 | 2014-03-10 | 기아자동차주식회사 | 하이브리드 차량의 충전 제어 방법 및 시스템 |
US9126591B2 (en) * | 2013-10-18 | 2015-09-08 | Ford Global Technologies, Llc | Hybrid vehicle powertrain management system and method |
US10060362B2 (en) * | 2016-05-04 | 2018-08-28 | Ford Global Technologies, Llc | Method and system for engine control |
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JP2004076687A (ja) * | 2002-08-21 | 2004-03-11 | Toyota Motor Corp | 排気/電動過給式ハイブリッド車 |
JP2012158326A (ja) * | 2012-03-15 | 2012-08-23 | Nissan Motor Co Ltd | ハイブリッド車のノッキング防止装置 |
JP2016078704A (ja) * | 2014-10-17 | 2016-05-16 | 日産自動車株式会社 | ハイブリッド車両の制御装置 |
JP2017047733A (ja) * | 2015-08-31 | 2017-03-09 | 日産自動車株式会社 | ハイブリッド車両の発進制御方法および発進制御装置 |
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