JP4910482B2 - 可変動弁装置、その制御方法及びこれを搭載した車両 - Google Patents
可変動弁装置、その制御方法及びこれを搭載した車両 Download PDFInfo
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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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- 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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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0223—Variable control of the intake valves only
- F02D13/0234—Variable control of the intake valves only changing the valve timing only
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
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- B60L2240/421—Speed
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
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- B60L2240/423—Torque
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/44—Drive Train control parameters related to combustion engines
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- B60L2240/00—Control parameters of input or output; Target parameters
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- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/44—Drive Train control parameters related to combustion engines
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- B60L2240/00—Control parameters of input or output; Target parameters
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Description
動弁用電動機によって内燃機関の吸気バルブ及び排気バルブのうち少なくとも一方のバルブの開閉タイミングを変更可能な可変動弁装置であって、
高圧電源からの高電圧を電力変換回路により降圧することによって得られる低電圧を蓄電可能な低圧蓄電装置から前記動弁用電動機に電力を供給する第1の経路と、
前記電力変換回路により降圧することによって得られる低電圧を前記低圧蓄電装置を介さずに前記動弁用電動機に供給する第2の経路と、
前記内燃機関を始動する際、該内燃機関の停止時に設定されていた開閉タイミングを変更する必要があるときには、前記第1の経路又は前記第2の経路から電力が供給される前記動弁用電動機を制御することにより前記開閉タイミングを変更する制御手段と、
を備えることを要旨とする。
動弁用電動機によって内燃機関の吸気バルブ及び排気バルブのうち少なくとも一方のバルブの開閉タイミングを変更可能な可変動弁装置であって、
高圧電源からの高電圧を電力変換回路により降圧することによって得られる低電圧を蓄電可能な低圧蓄電装置から前記動弁用電動機に電力を供給する第1の経路と、
前記高圧電源とは異なる外部電源から前記低圧蓄電装置を介さずに前記動弁用電動機に電力を供給する第3の経路と、
前記内燃機関を始動する際、該内燃機関の停止時に設定されていた開閉タイミングを変更する必要があるときには、前記第1の経路又は前記第3の経路から電力が供給される前記動弁用電動機を制御することにより前記開閉タイミングを変更する制御手段と、
を備えることを要旨とする。
動弁用電動機によって内燃機関の吸気バルブ及び排気バルブのうち少なくとも一方のバルブの開閉タイミングを変更可能な可変動弁装置の制御方法であって、
前記内燃機関を始動する際、該内燃機関の停止時に設定されていた開閉タイミングを変更する必要があるときには、高圧電源からの高電圧を電力変換回路により降圧することによって得られる低電圧を蓄電可能な低圧蓄電装置から前記動弁用電動機に電力を供給する第1の経路又は前記電力変換回路により降圧することによって得られる低電圧を前記低圧蓄電装置を介さずに前記動弁用電動機に供給する第2の経路から電力が供給される前記動弁用電動機を制御することにより前記開閉タイミングを変更する、
ことを要旨とする。
動弁用電動機によって内燃機関の吸気バルブ及び排気バルブのうち少なくとも一方のバルブの開閉タイミングを変更可能な可変動弁装置の制御方法であって、
前記内燃機関を始動する際、該内燃機関の停止時に設定されていた開閉タイミングを変更する必要があるときには、高圧電源からの高電圧を電力変換回路により降圧することによって得られる低電圧を蓄電可能な低圧蓄電装置から前記動弁用電動機に電力を供給する第1の経路又は前記高圧電源とは異なる外部電源から前記低圧蓄電装置を介さずに前記動弁用電動機に電力を供給する第3の経路から電力が供給される前記動弁用電動機を制御することにより前記開閉タイミングを変更する、
ことを要旨とする。
Tm2tmp=(Tr*+Tm1*/ρ)/Gr …(2)
Claims (4)
- 動弁用電動機によって内燃機関の吸気バルブ及び排気バルブのうち少なくとも一方のバルブの開閉タイミングを変更可能な可変動弁装置であって、
高圧電源からの高電圧を電力変換回路により降圧することによって得られる低電圧を蓄電可能な低圧蓄電装置から前記動弁用電動機に電力を供給する第1の経路と、
前記電力変換回路により降圧することによって得られる低電圧を前記低圧蓄電装置を介さずに前記動弁用電動機に供給する第2の経路と、
前記内燃機関の温度を検出する温度検出手段と、
前記第2の経路から前記動弁用電動機に電力を供給するか否かを切り替える経路切り替え手段と、
前記内燃機関を始動する際、該内燃機関の停止時に設定されていた開閉タイミングを変更する必要があるときには、前記第1の経路又は前記第2の経路から電力が供給される前記動弁用電動機を制御することにより前記開閉タイミングを変更する制御手段と、
を備え、
前記制御手段は、前記第1の経路又は前記第2の経路から電力が供給される前記動弁用電動機を制御することにより前記開閉タイミングを変更するにあたり、前記温度検出手段により前記内燃機関の温度が所定の低温範囲に入ることが検出されたときには、前記第2の経路から前記動弁用電動機に電力が供給されるよう前記経路切り替え手段を制御し、
前記経路切り替え手段は、前記第2の経路に設けられたスイッチのオンオフを切り替えることにより、前記第2の経路から前記動弁用電動機に電力を供給するか否かの切り替えを行う、
可変動弁装置。 - 請求項1に記載の可変動弁装置であって、
前記バルブを開閉させるカムが設けられたカムシャフトと予め定められた位置関係を保った状態で該カムシャフトに固定され、前記内燃機関の回転に伴って回転する基準プーリ、
を備え、
前記動弁用電動機は、前記基準プーリと前記カムシャフトとの位置関係を変更可能である、
可変動弁装置。 - 請求項1又は2に記載の可変動弁装置を搭載した車両。
- 動弁用電動機によって内燃機関の吸気バルブ及び排気バルブのうち少なくとも一方のバルブの開閉タイミングを変更可能な可変動弁装置の制御方法であって、
前記内燃機関を始動する際、該内燃機関の停止時に設定されていた開閉タイミングを変更する必要があるときには、高圧電源からの高電圧を電力変換回路により降圧することによって得られる低電圧を蓄電可能な低圧蓄電装置から前記動弁用電動機に電力を供給する第1の経路又は前記電力変換回路により降圧することによって得られる低電圧を前記低圧蓄電装置を介さずに前記動弁用電動機に供給する第2の経路から電力が供給される前記動弁用電動機を制御することにより前記開閉タイミングを変更するにあたり、前記内燃機関の温度が所定の低温範囲に入ることが検出されたときには、前記第2の経路に設けられたスイッチのオンオフを切り替えることにより、前記第2の経路から前記動弁用電動機に電力が供給されるようにする、
可変動弁装置の制御方法。
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