JP2018127021A - ハイブリッド自動車 - Google Patents
ハイブリッド自動車 Download PDFInfo
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- JP2018127021A JP2018127021A JP2017019513A JP2017019513A JP2018127021A JP 2018127021 A JP2018127021 A JP 2018127021A JP 2017019513 A JP2017019513 A JP 2017019513A JP 2017019513 A JP2017019513 A JP 2017019513A JP 2018127021 A JP2018127021 A JP 2018127021A
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- 238000010586 diagram Methods 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 11
- 238000004891 communication Methods 0.000 description 11
- 230000001172 regenerating effect Effects 0.000 description 6
- 230000005856 abnormality Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000009499 grossing Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910000652 nickel hydride Inorganic materials 0.000 description 1
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- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
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- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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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
- 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
- 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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- 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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- B60W20/00—Control systems specially adapted for hybrid vehicles
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- 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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- B60W20/50—Control strategies for responding to system failures, e.g. for fault diagnosis, failsafe operation or limp mode
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- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18109—Braking
- B60W30/18127—Regenerative braking
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
Description
ド自動車に関する。
エンジンと、
回転に伴って逆起電圧を発生する第1モータと、
前記第1モータと前記エンジンと駆動輪に連結された駆動軸との3軸に3つの回転要素が共線図において前記第1モータ,前記エンジン,前記駆動軸の順に並ぶように接続されたプラネタリギヤと、
前記駆動軸に接続された第2モータと、
前記第1モータを駆動する第1インバータと、
前記第2モータを駆動する第2インバータと、
蓄電装置と、
前記蓄電装置が接続された低電圧側電力ラインと前記第1インバータおよび前記第2インバータが接続された高電圧側電力ラインとに接続され、前記低電圧側電力ラインと前記高電圧側電力ラインとの間で電圧の変更を伴って電力のやりとりを行なう昇降圧コンバータと、
前記高電圧側電力ラインの電圧が許容下限電圧よりも高い制御用下限電圧以上の範囲内で調節されながら走行するように前記エンジンと前記第1インバータと前記第2インバータと前記昇降圧コンバータとを制御する制御装置と、
を備えるハイブリッド自動車であって、
前記制御装置は、前記第1インバータおよび前記第2インバータをシャットダウンした状態で前記エンジンを運転しながら走行する所定走行時には、前記高電圧側電力ラインの電圧が前記制御用下限電圧以上の範囲内で前記第1モータの逆起電圧よりも低くなることにより前記第1モータから前記プラネタリギヤを介して前記駆動軸にトルクが出力されて走行するように前記エンジンと前記昇降圧コンバータとを制御し、
更に、前記制御装置は、前記所定走行時には、前記所定走行時でないときに比して、前記制御用下限電圧を高くする、
ことを要旨とする。
Claims (7)
- エンジンと、
回転に伴って逆起電圧を発生する第1モータと、
前記第1モータと前記エンジンと駆動輪に連結された駆動軸との3軸に3つの回転要素が共線図において前記第1モータ,前記エンジン,前記駆動軸の順に並ぶように接続されたプラネタリギヤと、
前記駆動軸に接続された第2モータと、
前記第1モータを駆動する第1インバータと、
前記第2モータを駆動する第2インバータと、
蓄電装置と、
前記蓄電装置が接続された低電圧側電力ラインと前記第1インバータおよび前記第2インバータが接続された高電圧側電力ラインとに接続され、前記低電圧側電力ラインと前記高電圧側電力ラインとの間で電圧の変更を伴って電力のやりとりを行なう昇降圧コンバータと、
前記高電圧側電力ラインの電圧が許容下限電圧よりも高い制御用下限電圧以上の範囲内で調節されながら走行するように前記エンジンと前記第1インバータと前記第2インバータと前記昇降圧コンバータとを制御する制御装置と、
を備えるハイブリッド自動車であって、
前記制御装置は、前記第1インバータおよび前記第2インバータをシャットダウンした状態で前記エンジンを運転しながら走行する所定走行時には、前記高電圧側電力ラインの電圧が前記制御用下限電圧以上の範囲内で前記第1モータの逆起電圧よりも低くなることにより前記第1モータから前記プラネタリギヤを介して前記駆動軸にトルクが出力されて走行するように前記エンジンと前記昇降圧コンバータとを制御し、
更に、前記制御装置は、前記所定走行時には、前記所定走行時でないときに比して、前記制御用下限電圧を高くする、
ハイブリッド自動車。 - 請求項1記載のハイブリッド自動車であって、
前記制御装置は、前記所定走行時には、アクセル操作量が大きいときに小さいときよりも、前記高電圧側電力ラインの電圧が低くなるように前記昇降圧コンバータを制御する、
ハイブリッド自動車。 - 請求項1または2記載のハイブリッド自動車であって、
前記制御装置は、前記所定走行時に、前記高電圧側電力ラインの電圧が前記制御用下限電圧未満になったときには、前記制御用下限電圧以上のときに比して大きい回転数で前記第1モータが回転するように前記エンジンを制御する、
ハイブリッド自動車。 - 請求項3記載のハイブリッド自動車であって、
前記制御装置は、前記所定走行時に、前記高電圧側電力ラインの電圧が前記制御用下限電圧未満になったときには、前記高電圧側電力ラインの電圧が低いほど大きくなる回転数で前記第1モータが回転するように前記エンジンを制御する、
ハイブリッド自動車。 - 請求項1ないし4のうちの何れか1つの請求項に記載のハイブリッド自動車であって、
前記制御装置は、前記所定走行時か否かに拘わらずに、前記高電圧側電力ラインの電圧が前記制御用下限電圧以上で且つ許容上限電圧よりも低い制御用上限電圧以下の範囲内で調節されるように前記昇降圧コンバータを制御し、
更に、前記制御装置は、前記所定走行時には、前記所定走行時でないときに比して、前記制御用上限電圧を低くする、
ハイブリッド自動車。 - 請求項5記載のハイブリッド自動車であって、
前記制御装置は、前記所定走行時に、前記高電圧側電力ラインの電圧が前記制御用上限電圧よりも高くなったときには、前記制御用上限電圧以下のときに比して小さい回転数で前記第1モータが回転するように前記エンジンを制御する、
ハイブリッド自動車。 - 請求項6記載のハイブリッド自動車であって、
前記制御装置は、前記所定走行時に、前記高電圧側電力ラインの電圧が前記制御用上限電圧よりも高くなったときには、前記高電圧側電力ラインの電圧が高いほど小さくなる回転数で前記第1モータが回転するように前記エンジンを制御する、
ハイブリッド自動車。
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