JP6915501B2 - 車両の制御装置 - Google Patents
車両の制御装置 Download PDFInfo
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- JP6915501B2 JP6915501B2 JP2017215734A JP2017215734A JP6915501B2 JP 6915501 B2 JP6915501 B2 JP 6915501B2 JP 2017215734 A JP2017215734 A JP 2017215734A JP 2017215734 A JP2017215734 A JP 2017215734A JP 6915501 B2 JP6915501 B2 JP 6915501B2
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Classifications
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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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- B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
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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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- B60K6/00—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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- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
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- B60W2050/0001—Details of the control system
- B60W2050/0019—Control system elements or transfer functions
- B60W2050/0028—Mathematical models, e.g. for simulation
- B60W2050/0037—Mathematical models of vehicle sub-units
- B60W2050/0039—Mathematical models of vehicle sub-units of the propulsion unit
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Description
また、この発明では、前記コントローラは、前記第1電動機の現在の積算電流値と前記判定値とを比較して、前記第1電動機の現在の積算電流値の方が前記判定値より大きい場合に、前記熱負荷が前記所定値以上になると判断してよい。
また、この発明では、複数の通電相を有し、回転角に応じて前記複数の通電相のそれぞれの通電相に通電する電流値を制御することによりトルクを発生させる第1電動機と、車両の停車状態を維持するトルクを出力可能なアクチュエータと、前記第1電動機が出力したトルクを駆動輪に伝達する伝達経路内で前記トルクを伝達する係合状態と前記トルクを遮断する解放状態とを切り替え可能な切替機構とを備えた車両の制御装置において、前記アクチュエータおよび前記切替機構を制御するコントローラを備え、前記コントローラは、前記第1電動機の回転が停止した状態で所定のトルクを出力して停車状態を維持することにより、前記複数の通電相のうちのいずれか一つの所定の通電相の熱負荷が所定値以上になると判断された場合に、前記第1電動機の前記回転角を変更して前記所定の通電相の熱負荷を低下させる通電相変更制御を実行するように構成され、前記通電相変更制御は、前記切替機構を前記解放状態に切り替えるとともに、前記アクチュエータにより前記車両の停車状態を維持するトルクを出力している間に実行するように構成され、前記アクチュエータは、電動機能を有する第2電動機であって、前記車両の停車状態を維持するトルクを前記第2電動機で出力するように構成され、前記切替機構は、前記第1電動機と前記駆動輪との間でトルク伝達を行う第1クラッチ機構であって、前記第2電動機と前記駆動輪との間でトルク伝達を行う第2クラッチ機構を更に備え、前記通電相変更制御は、前記第2クラッチ機構を係合状態にし、かつ前記第1クラッチ機構を解放状態にして実行するように構成されてよい。
Claims (10)
- 複数の通電相を有し、回転角に応じて前記複数の通電相のそれぞれの通電相に通電する電流値を制御することによりトルクを発生させる第1電動機と、車両の停車状態を維持するトルクを出力可能なアクチュエータと、前記第1電動機が出力したトルクを駆動輪に伝達する伝達経路内で前記トルクを伝達する係合状態と前記トルクを遮断する解放状態とを切り替え可能な切替機構とを備えた車両の制御装置において、
前記アクチュエータおよび前記切替機構を制御するコントローラを備え、
前記コントローラは、
前記第1電動機の回転が停止した状態で所定のトルクを出力して停車状態を維持することにより、前記複数の通電相のうちのいずれか一つの所定の通電相の熱負荷が所定値以上になると判断された場合に、前記第1電動機の前記回転角を変更して前記所定の通電相の熱負荷を低下させる通電相変更制御を実行するように構成され、
前記通電相変更制御は、前記切替機構を前記解放状態に切り替えるとともに、前記アクチュエータにより前記車両の停車状態を維持するトルクを出力している間に実行するように構成され、
前記所定の通電相の熱負荷が前記所定値以上になると判断する判定値は、予め定められた前記第1電動機の積算電流値であって、かつ前記判定値は前記回転角に応じて定められている
ことを特徴とする車両の制御装置。 - 請求項1に記載の車両の制御装置において、
前記コントローラは、
前記第1電動機の現在の積算電流値と前記判定値とを比較して、
前記第1電動機の現在の積算電流値の方が前記判定値より大きい場合に、前記熱負荷が前記所定値以上になると判断する
ことを特徴とする車両の制御装置。 - 請求項1または2に記載の車両の制御装置において、
前記アクチュエータは、電動機能を有する第2電動機であって、
前記車両の停車状態を維持するトルクを前記第2電動機で出力するように構成されている
ことを特徴とする車両の制御装置。 - 請求項3に記載の車両の制御装置において、
前記切替機構は、前記第1電動機と前記駆動輪との間でトルク伝達を行う第1クラッチ機構であって、
前記第2電動機と前記駆動輪との間でトルク伝達を行う第2クラッチ機構を更に備え、
前記通電相変更制御は、前記第2クラッチ機構を係合状態にし、かつ前記第1クラッチ機構を解放状態にして実行する
ことを特徴とする車両の制御装置。 - 複数の通電相を有し、回転角に応じて前記複数の通電相のそれぞれの通電相に通電する電流値を制御することによりトルクを発生させる第1電動機と、車両の停車状態を維持するトルクを出力可能なアクチュエータと、前記第1電動機が出力したトルクを駆動輪に伝達する伝達経路内で前記トルクを伝達する係合状態と前記トルクを遮断する解放状態とを切り替え可能な切替機構とを備えた車両の制御装置において、
前記アクチュエータおよび前記切替機構を制御するコントローラを備え、
前記コントローラは、
前記第1電動機の回転が停止した状態で所定のトルクを出力して停車状態を維持することにより、前記複数の通電相のうちのいずれか一つの所定の通電相の熱負荷が所定値以上になると判断された場合に、前記第1電動機の前記回転角を変更して前記所定の通電相の熱負荷を低下させる通電相変更制御を実行するように構成され、
前記通電相変更制御は、前記切替機構を前記解放状態に切り替えるとともに、前記アクチュエータにより前記車両の停車状態を維持するトルクを出力している間に実行するように構成され、
前記アクチュエータは、電動機能を有する第2電動機であって、
前記車両の停車状態を維持するトルクを前記第2電動機で出力するように構成され、
前記切替機構は、前記第1電動機と前記駆動輪との間でトルク伝達を行う第1クラッチ機構であって、
前記第2電動機と前記駆動輪との間でトルク伝達を行う第2クラッチ機構を更に備え、
前記通電相変更制御は、前記第2クラッチ機構を係合状態にし、かつ前記第1クラッチ機構を解放状態にして実行する
ことを特徴とする車両の制御装置。 - 請求項3から5のいずれか一項に記載の車両の制御装置において、
前記第2電動機に直結されたエンジンを更に備え、
前記第2電動機が出力するトルクは、前記エンジンのフリクショントルク分のトルクを減じたトルクである
ことを特徴とする車両の制御装置。 - 請求項6に記載の車両の制御装置において、
前記コントローラは、
前記通電相変更制御を実行中に、前記エンジンに対する燃料の供給を停止するように構成されている
ことを特徴とする車両の制御装置。 - 請求項1から7のいずれか一項に記載の車両の制御装置において、
前記コントローラは、
前記通電相変更制御を実行後に、前記第1電動機のトルクを前記駆動輪に再度伝達可能なように前記切替機構を制御する
ことを特徴とする車両の制御装置。 - 請求項1から8のいずれか一項に記載の車両の制御装置において、
前記複数の通電相のうちのそれぞれの通電相は、一方に電流を流す際にその電流値を制御する第1スイッチング素子と、他方に電流を流す際にその電流値を制御する第2スイッチング素子とを備え、
前記熱負荷の前記所定値は、前記第1スイッチング素子と前記第2スイッチング素子とのいずれか一方で許容される熱負荷に基づいて定められている
ことを特徴とする車両の制御装置。 - 請求項9に記載の車両の制御装置において、
前記通電相変更制御は、前記所定の通電相における前記第1スイッチング素子と前記第2スイッチング素子とのうちの通電するスイッチング素子が切り替わる前記回転角に制御するように構成されている
ことを特徴とする車両の制御装置。
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