JP6812903B2 - ハイブリッド車両 - Google Patents
ハイブリッド車両 Download PDFInfo
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- JP6812903B2 JP6812903B2 JP2017104251A JP2017104251A JP6812903B2 JP 6812903 B2 JP6812903 B2 JP 6812903B2 JP 2017104251 A JP2017104251 A JP 2017104251A JP 2017104251 A JP2017104251 A JP 2017104251A JP 6812903 B2 JP6812903 B2 JP 6812903B2
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Classifications
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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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- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- G—PHYSICS
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- B60K1/00—Arrangement or mounting of electrical propulsion units
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
CD/CS切替制御(第2CD/CS切替制御および第1CD/CS切替制御)の詳細な説明に先立ち、まず、HV−ECU100によって実行される車両1の走行制御について説明する。
次いで、HV−ECU100は、エンジン10が停止中であるか否かを判定する(ステップS38)。
後述する第1CD/CS切替制御の詳細を説明をする前に、まず、第2CD/CS切替制御の詳細について説明する。なお、以下では、第2CD/CS切替制御を「通常CD/CS切替制御」とも記載する。
次に、第1CD/CS切替制御の詳細について説明する。
上述の実施の形態においては、第1CSモード中に許容されるSOC変動幅を車速VSに依らずに拡大する例を示した。これに対し、第1CSモード中において許容されるSOC変動幅を車速VSに応じて拡大するようにしてもよい。
上述の変形例1においては、第1CSモード中において、高車速である場合は許容されるSOC増加幅を拡大し、低車速である場合は許容されるSOC低下幅を拡大する例を示した。これに対し、第1CSモード中において、エンジン10が作動中である場合に、許容されるSOC変動幅を拡大するようにしてもよい。
上述の実施の形態においては、第1CSモード中に許容されるSOC変動幅が拡大される。しかしながら、第1CD/CS切替制御においては、目的地到着時にSOCを使い切るようにCD区間と第1CS区間とが割り当てられているため、目的地が近いにも関わらず、第1CS区間でのSOC変動幅(SOC増加幅)を拡大したままにすると、目的地到着時にSOCが想定よりも多く残ってしまうことが懸念される。
上述の実施の形態においては、第1CSモード中に許容されるSOC変動幅が拡大される。
Claims (8)
- ハイブリッド車両であって、
内燃機関と、
前記内燃機関および駆動輪の少なくとも一方に接続される回転電機と、
前記回転電機に電気的に接続される蓄電装置と、
前記蓄電装置の蓄電量の制御モードをCDモードとCSモードとのどちらかに設定可能に構成された制御装置とを備え、
前記制御装置は、前記蓄電装置の蓄電量が所定値に低下するまでは前記ハイブリッド車両の走行予定経路の予測負荷を用いて前記CDモードと前記CSモードとの切替を自動的に行なう第1切替制御中である場合、前記蓄電装置の蓄電量が所定値に低下するまでは前記CDモードに設定し、前記蓄電装置の蓄電量が所定値に低下した後は前記CSモードに設定する第2切替制御中である場合よりも、前記CSモード中に許容される前記蓄電装置の蓄電量の変動幅を拡大する、ハイブリッド車両。 - 前記制御装置は、前記蓄電装置の蓄電量が前記CDモードでの走行が可能な下限量よりも低下すると、前記CSモードに設定する、請求項1に記載のハイブリッド車両。
- 前記制御装置は、前記蓄電装置の充放電要求パワーを上下限ガード値で制限するガード処理を行なうことによって前記蓄電量が基準値から乖離するのを抑制し、
前記制御装置は、前記第1切替制御中である場合、前記ガード処理による前記充放電要求パワーの制限を無効化あるいは緩和することによって、前記CSモード中に許容される前記蓄電量の変動幅を拡大する、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、前記内燃機関の作動中に要求パワーが停止しきい値未満に低下した場合に前記内燃機関を停止し、
前記制御装置は、前記第1切替制御中である場合でかつ車速が高速しきい値よりも高い高車速領域に含まれる場合、前記高車速領域に含まれない場合よりも、前記停止しきい値を小さくすることによって前記CSモード中に許容される前記蓄電量の上昇幅を拡大する、請求項1〜3のいずれかに記載のハイブリッド車両。 - 前記制御装置は、前記内燃機関の停止中に前記内燃機関に対する要求パワーが始動しきい値を超えた場合に前記内燃機関を始動し、
前記制御装置は、前記第1切替制御中である場合でかつ車速が低速しきい値よりも低い低車速領域に含まれる場合、前記低車速領域に含まれない場合よりも、前記始動しきい値を大きくすることによって前記CSモード中に許容される前記蓄電量の低下幅を拡大する、請求項1〜4のいずれかに記載のハイブリッド車両。 - 前記制御装置は、前記内燃機関の作動中に要求パワーが停止しきい値未満に低下した場合に前記内燃機関を停止し、
前記制御装置は、前記第1切替制御中である場合でかつ前記内燃機関が作動中である場合、前記第2切替制御中である場合に比べて、前記停止しきい値を小さくすることによって前記CSモード中に許容される前記蓄電量の上昇幅を拡大する、請求項1〜3のいずれかに記載のハイブリッド車両。 - 前記制御装置は、前記第1切替制御中において、前記蓄電装置の蓄電量の変動幅の拡大中に目的地までの残距離がしきい距離よりも短くなった場合、許容される前記蓄電量の上昇幅を縮小する、請求項1〜6のいずれかに記載のハイブリッド車両。
- 前記制御装置は、前記第1切替制御中において、前記蓄電装置の蓄電量の変動幅の拡大中に前記蓄電量がしきい量よりも小さくなった場合、許容される前記蓄電量の低下幅を縮小する、請求項1〜7のいずれかに記載のハイブリッド車両。
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