JP6213494B2 - ハイブリッド車両 - Google Patents
ハイブリッド車両 Download PDFInfo
- Publication number
- JP6213494B2 JP6213494B2 JP2015029437A JP2015029437A JP6213494B2 JP 6213494 B2 JP6213494 B2 JP 6213494B2 JP 2015029437 A JP2015029437 A JP 2015029437A JP 2015029437 A JP2015029437 A JP 2015029437A JP 6213494 B2 JP6213494 B2 JP 6213494B2
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- mode
- engine
- power
- state
- clutch
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Classifications
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- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/13—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
- B60W20/14—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion in conjunction with braking regeneration
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- 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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Description
実施の形態1では、まず図1〜図13を用いてハイブリッド車両1の基本構成および基本動作について説明し、その後図14〜図21を用いてエンジンブレーキ作動時の制御および動作について説明する。
図1は、この発明の実施の形態における駆動装置を備えるハイブリッド車両の全体構成を示す図である。
図12は、ハイブリッド車両が主として燃料をエネルギ源として走行する場合の走行モードを決定するモード判定マップである。このモード判定マップは、ハイブリッド自動車が通常走行する場合、またはプラグインハイブリッド自動車がバッテリの蓄電状態を維持するCSモードで走行する場合に使用される。図12には境界線が破線で示されるマップと境界線が実線で示されるマップとが重ねて示されている。境界線が破線で示されるマップは、バッテリ60の入出力パワーに制限を受けない場合に通常用いられるマップである。一方、境界線が実線で示されるマップは、SOCや温度などの諸条件によってバッテリ60の入出力パワーが制限された場合に用いられるマップである。
ハイブリッド自動車は、基本的には、減速時にはモータジェネレータで回生制動を行なって車両の運動エネルギーの一部をバッテリに電気エネルギーに変換して回収する。しかし、バッテリの充電に制限が課される場合、たとえばバッテリの蓄電量が管理上限値に到達した場合、バッテリの温度が低く充電電力が制限されている場合などには、そのまま回生制動を行なうことはできない。
実施の形態1では、図1に示したように2つの第1MG20,第2MG30の回転軸が平行して配置され、エンジン10に変速部40が接続された構成において、エンジンブレーキのスタンバイ動作を実行することについて説明した。
Claims (10)
- 蓄電装置と、
内燃機関と、
第1回転電機と、
第2回転電機と、
前記内燃機関、前記第1回転電機および前記第2回転電機の3つの回転軸の間の動力伝達経路を切換え可能に構成された動力伝達部と、
前記内燃機関、前記第1回転電機、前記第2回転電機および前記動力伝達部を制御する制御装置とを備え、
前記制御装置は、前記内燃機関を停止させた状態での前記第2回転電機を用いた回生制動の実行中に、前記蓄電装置に関する状態を示す状態量が前記蓄電装置への充電を制限する上限に到達した場合に、前記第2回転電機を用いて車輪の回転力によって回生電力を発生させ、かつ燃料カットした前記内燃機関を前記第1回転電機を用いて回転させることによって前記回生電力を消費する動作を実行し、
前記状態量が前記上限に近づいたことを判定するために予め定められた所定量を超えた場合には、前記動力伝達部を制御し、前記動力伝達部の状態を現在の状態から前記動作が可能な状態に近づけるスタンバイ動作を実行する、ハイブリッド車両。 - 前記動力伝達部は、
前記内燃機関からの動力が入力される入力要素と前記入力要素に入力された動力を出力する出力要素とを有し、前記入力要素と前記出力要素との間で動力を伝達する非ニュートラル状態と、前記入力要素と前記出力要素との間で動力を伝達しないニュートラル状態とを切り替え可能に構成された変速部と、
前記第1回転電機に接続される第1回転要素と、前記第2回転電機および前記車輪に接続される第2回転要素と、前記出力要素に接続される第3回転要素とを有し、前記第1〜第3回転要素のうちのいずれか2つの回転速度が定まると残りの1つの回転速度が定まるように構成される差動部と、
前記内燃機関から前記第1回転電機への動力を伝達する係合状態と、前記内燃機関から前記第1回転電機への動力の伝達を遮断する解放状態とを切り替え可能なクラッチとを含み、
前記制御装置は、前記スタンバイ動作として、前記クラッチを解放状態から係合状態に近づける、請求項1に記載のハイブリッド車両。 - 前記状態量は、前記蓄電装置に対する充電電力である、請求項1または2に記載のハイブリッド車両。
- 前記状態量は、前記蓄電装置の充電状態である、請求項1または2に記載のハイブリッド車両。
- 前記制御装置は、ユーザがエンジンブレーキを作動させることを要求している場合には、シフトレンジがDレンジである場合よりも、早期に前記クラッチを係合状態に近づける、請求項2に記載のハイブリッド車両。
- 前記スタンバイ動作は、前記クラッチの入力と出力の差回転をゼロに調整する同期動作を含む、請求項2に記載のハイブリッド車両。
- 前記スタンバイ動作は、前記クラッチのストロークを詰める動作を含む、請求項2に記載のハイブリッド車両。
- 前記スタンバイ動作は、前記クラッチを半係合状態とする動作を含む、請求項2に記載のハイブリッド車両。
- 前記動力伝達部は、第1EV走行モードと、第2EV走行モードとを切換えて車両を走行させることが可能に構成され、
前記第1EV走行モードは、前記内燃機関を停止させた状態で前記第2回転電機が出力するトルクのみを用いて車両を走行させるモードであり、
前記第2EV走行モードは、前記内燃機関を停止させた状態で前記第1回転電機の出力するトルクと前記第2回転電機の出力するトルクとを用いて車両を走行させるモードであり、
前記制御装置は、前記第2EV走行モードで車両が走行している場合には、前記スタンバイ動作として、車両の走行モードを前記第2EV走行モードから前記第1EV走行モードに切換えるように前記動力伝達部を制御する、請求項1に記載のハイブリッド車両。 - 前記動力伝達部は、シリーズモードとシリーズパラレルモードとに前記ハイブリッド車両の走行モードを切換えることが可能に構成され、
前記シリーズモードは、前記内燃機関および前記第1回転電機を前記第2回転電機と切り離した状態で、前記内燃機関の駆動トルクによって前記第1回転電機に発電させつつ、かつ前記第2回転電機の駆動トルクによって前記車輪を駆動させるモードであり、
前記シリーズパラレルモードは、前記内燃機関と前記第1回転電機と前記第2回転電機との間で動力が伝達される状態で、前記内燃機関の駆動トルクと前記第1回転電機の駆動トルクと前記第2回転電機の駆動トルクとによって前記車輪を回転させるモードである、請求項1に記載のハイブリッド車両。
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US11738874B2 (en) | 2019-03-01 | 2023-08-29 | Hamilton Sundstrand Corporation | Aircraft having hybrid-electric propulsion system with electric storage located in fuselage |
US11535392B2 (en) | 2019-03-18 | 2022-12-27 | Pratt & Whitney Canada Corp. | Architectures for hybrid-electric propulsion |
US12071256B2 (en) | 2019-03-18 | 2024-08-27 | Pratt & Whitney Canada Corp. | Architectures for hybrid-electric propulsion |
US11855301B2 (en) | 2019-09-30 | 2023-12-26 | Hamilton Sundstrand Corporation | Systems and methods for battery ventilation |
US11486472B2 (en) | 2020-04-16 | 2022-11-01 | United Technologies Advanced Projects Inc. | Gear sytems with variable speed drive |
US12066083B2 (en) | 2020-04-16 | 2024-08-20 | Pratt & Whitney Canada Corp. | Gear systems with variable speed drive |
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KR101785826B1 (ko) | 2017-10-16 |
JP2016150680A (ja) | 2016-08-22 |
KR20160101872A (ko) | 2016-08-26 |
US20160236671A1 (en) | 2016-08-18 |
CN105882644A (zh) | 2016-08-24 |
US9718459B2 (en) | 2017-08-01 |
CN105882644B (zh) | 2018-10-30 |
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