JP2010018183A - ハイブリッド車両の制御システム及び制御方法 - Google Patents
ハイブリッド車両の制御システム及び制御方法 Download PDFInfo
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- JP2010018183A JP2010018183A JP2008181304A JP2008181304A JP2010018183A JP 2010018183 A JP2010018183 A JP 2010018183A JP 2008181304 A JP2008181304 A JP 2008181304A JP 2008181304 A JP2008181304 A JP 2008181304A JP 2010018183 A JP2010018183 A JP 2010018183A
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- voltage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K6/22—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 apparatus, components or means specially adapted for HEVs
- B60K6/36—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 apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
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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
- B60K6/44—Series-parallel type
- B60K6/445—Differential gearing distribution type
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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
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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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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- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/04—Monitoring the functioning of the control system
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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Abstract
【解決手段】制御システム58は、高圧電源異常時処理実行手段100を有する制御部71を備える。高圧電源異常時処理実行手段100は、高圧電源である高圧バッテリ60の高電圧を降圧してEPS64に供給するモードの実行中で、かつ、高圧バッテリ60の異常発生時に、低圧バッテリ62の低電圧を昇圧してEPS64に供給するモードの実行に移行させた後に、高圧バッテリ60と駆動回路72との間の接続を遮断し、その後に、発電機14により発電された電力に対応する電圧を降圧してEPS64に供給するモードに移行させるとともに、発電機14により走行用モータ16を駆動させる。
【選択図】図3
Description
Claims (9)
- エンジンと走行用モータとの少なくとも一方を主駆動源として走行駆動するハイブリッド車両であって、
エンジンにより駆動される発電機と、
発電機及び走行用モータと駆動回路により接続される高圧電源と、
高圧電源の電圧よりも低い低電圧で充電される低圧電源と、
駆動回路に降圧回路を介して接続され、低圧電源の低電圧と高圧電源の高電圧との間の中間電圧の電力が供給されることにより駆動する電動パワーステアリング装置と、
低圧電源と電動パワーステアリング装置との間に設けられ、低圧電源の低電圧を昇圧して電動パワーステアリング装置に供給可能とする昇圧回路と、
制御部と、を備えるハイブリッド車両の制御システムであって、
制御部は、
高圧電源の高電圧を降圧回路により降圧して中間電圧を電動パワーステアリング装置に供給する第1モード実行手段と、
低圧電源の低電圧を昇圧回路により昇圧して中間電圧を電動パワーステアリング装置に供給する第2モード実行手段と、
高圧電源と駆動回路との間の接続を遮断した状態で、発電機により発電された電力に対応する電圧を降圧回路により降圧して中間電圧を電動パワーステアリング装置に供給する第3モード実行手段と、
第1モード実行中で、かつ、高圧電源の異常発生時に、第1モードの実行から第2モードの実行に移行させた後に、高圧電源と駆動回路との間の接続を遮断し、その後に、第2モードから第3モードに移行させるとともに、発電機により発電した電力により走行用モータを駆動させる高圧電源異常時処理実行手段と、を有することを特徴とするハイブリッド車両の制御システム。 - 請求項1に記載のハイブリッド車両の制御システムにおいて、
高圧電源異常時処理実行手段は、高圧電源異常発生時の第3モード移行中に発電機と走行用モータと駆動回路との少なくともいずれか1の異常が発生した場合に、第3モードの実行から第2モードの実行に移行させることを特徴とするハイブリッド車両の制御システム。 - 請求項1または請求項2に記載のハイブリッド車両の制御システムにおいて、
駆動回路と低圧電源との間に設けられた第2降圧回路を備え、
高圧電源異常時処理実行手段は、高圧電源異常発生時の第2モード移行後に、発電機から第2降圧回路を介しての低圧電源への電力供給を可能とする第2降圧回路使用開始時期と、発電機から降圧回路を介しての電動パワーステアリング装置への電力供給を可能とする降圧回路使用開始時期とをずらせることを特徴とするハイブリッド車両制御システム。 - 請求項1から請求項3のいずれか1に記載のハイブリッド車両制御システムにおいて、
駆動回路の電圧を検出する電圧検出手段を備え、
高圧電源異常時処理実行手段は、高圧電源異常発生時の第3モード移行後に、検出された駆動回路の電圧値に異常が発生した場合に、発電機から走行用モータへの電力供給を停止させることを特徴とするハイブリッド車両の制御システム。 - 請求項1から請求項4のいずれか1に記載のハイブリッド車両の制御システムにおいて、
駆動回路は、
高圧電源と発電機及び走行用モータとの間に設けられ、断接可能なスイッチと、
駆動回路と低圧電源との間に設けられた第2降圧回路と、
スイッチと発電機及び走行用モータとの間に設けられ、発電機から供給される電圧を降圧して降圧回路及び第2降圧回路に供給可能とし、かつ、高圧電源から供給される電圧を昇圧して発電機と走行用モータとの少なくとも一方に供給可能とする昇降圧回路とを備えることを特徴とするハイブリッド車両の制御システム。 - エンジンと走行用モータとの少なくとも一方を主駆動源として走行駆動するハイブリッド車両であって、
エンジンにより駆動される発電機と、
発電機及び走行用モータと駆動回路により接続される高圧電源と、
高圧電源の電圧よりも低い低電圧で充電される低圧電源と、
駆動回路に降圧回路を介して接続され、低圧電源の低電圧と高圧電源の高電圧との間の中間電圧の電力が供給されることにより駆動する電動パワーステアリング装置と、
低圧電源と電動パワーステアリング装置との間に設けられ、低圧電源の低電圧を昇圧して電動パワーステアリング装置に供給可能とする昇圧回路と、
制御部と、を備えるハイブリッド車両の制御方法であって、
制御部は、
高圧電源の高電圧を降圧回路により降圧して中間電圧を電動パワーステアリング装置に供給する第1モード実行手段と、
低圧電源の低電圧を昇圧回路により昇圧して中間電圧を電動パワーステアリング装置に供給する第2モード実行手段と、
高圧電源と駆動回路との間の接続を遮断した状態で、発電機により発電された電力に対応する電圧を降圧回路により降圧して中間電圧を電動パワーステアリング装置に供給する第3モード実行手段と、を備え、
制御部により、第1モード実行中で、かつ、高圧電源の異常発生時に、第1モードの実行から第2モードの実行に移行させた後に、高圧電源と駆動回路との間の接続を遮断し、その後に、第2モードから第3モードに移行させるとともに、発電機により発電した電力により走行用モータを駆動させる高圧電源異常時処理実行工程を行うことを特徴とするハイブリッド車両の制御方法。 - 請求項6に記載のハイブリッド車両の制御方法において、
高圧電源異常時処理実行工程は、制御部により、高圧電源異常発生時の第3モード移行中に発電機と走行用モータと駆動回路との少なくともいずれか1の異常が発生した場合に、第3モードの実行から第2モードの実行に移行させることを特徴とするハイブリッド車両の制御方法。 - 請求項6または請求項7に記載のハイブリッド車両の制御方法において、
ハイブリッド車両は、
駆動回路と低圧電源との間に設けられた第2降圧回路を備え、
高圧電源異常時処理実行工程は、制御部により、高圧電源異常発生時の第2モード移行後に、発電機から第2降圧回路を介しての低圧電源への電力供給を可能とする第2降圧回路使用開始時期と、発電機から降圧回路を介しての電動パワーステアリング装置への電力供給を可能とする降圧回路使用開始時期とをずらせることを特徴とするハイブリッド車両制御システム。 - 請求項6から請求項8のいずれか1に記載のハイブリッド車両制御方法において、
ハイブリッド車両は、
駆動回路の電圧を検出する電圧検出手段を備え、
高圧電源異常時処理実行工程は、制御部により、高圧電源異常発生時の第3モード移行後に、検出された駆動回路の電圧値に異常が発生した場合に、発電機から走行用モータへの電力供給を停止させることを特徴とするハイブリッド車両の制御方法。
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