JP6932877B2 - ハイブリッド車両の制御装置 - Google Patents
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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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- 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, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
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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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- B60K6/22—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
- B60K6/365—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 with the gears having orbital motion
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
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- B60W20/00—Control systems specially adapted for hybrid vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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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- 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, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
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- B60—VEHICLES IN GENERAL
- 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
- 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, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
- B60W30/20—Reducing vibrations in the driveline
- B60W2030/206—Reducing vibrations in the driveline related or induced by the engine
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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
- 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
- B60W2050/0001—Details of the control system
- B60W2050/0019—Control system elements or transfer functions
- B60W2050/0042—Transfer function lag; delays
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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
- B60W2540/16—Ratio selector position
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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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Description
図1に示すように、ハイブリッド車両は、車輪25に伝達される駆動力を発生するパワーユニット10を備える。パワーユニット10には、駆動力を発生する動力源として、エンジン11と、第1発電電動機(以下、第1M/G12と記載する)及び第2発電電動機(以下、第2M/G13と記載する)の2つの発電電動機(Motor Generator)と、の2種の動力源が設けられている。
上述のように、本実施形態のハイブリッド車両の制御装置において要求エンジン出力演算部39は、最終要求駆動力TP*に応じてエンジン出力の要求値に相当する要求エンジンパワーPE*を演算している。最終要求駆動力TP*の値は、要求駆動力演算部36がアクセル開度ACCに応じて演算した要求駆動力TPF*に対してダッシュポット制御処理部38がダッシュポット制御処理を施した値として演算されている。続いて、こうしたダッシュポット制御処理について説明する。
続いて、以上のように構成された本実施形態の作用効果を説明する。
本実施形態では、アクセル開度ACCに応じて要求駆動力TPF*が演算され、さらに要求駆動力TPF*の変化に対してより緩やかに値が変化するように走行用駆動力TPSM*が演算される。そして、要求駆動力TPF*の値に対してダッシュポット制御処理を施した最終要求駆動力TP*から演算した要求エンジンパワーPE*に応じてエンジン出力が制御される。
・上記実施形態では、放電制限値WOUT及び目標エンジン回転数NE*に応じてなまし係数γbの値を可変設定していたが、それらの一方のみに応じてなまし係数γbの値を可変設定するようにしてもよい。また、なまし係数γbの値を定数としてもよい。
Claims (3)
- エンジンと発電電動機との2種の駆動源を有したパワーユニットが発生する駆動力により走行するハイブリッド車両の制御装置において、
アクセル開度に応じて要求駆動力を演算する要求駆動力演算部と、
前記要求駆動力に対して遅れを有して追従する値として走行用駆動力を演算する走行用駆動力演算部と、
前記要求駆動力に応じてエンジン出力の要求値である要求エンジン出力を演算する要求エンジン出力演算部と、
前記要求エンジン出力に応じて前記エンジンの出力制御を行うエンジン出力制御部と、
前記要求エンジン出力に応じた出力を前記エンジンが発生している状態において前記走行用駆動力に応じた駆動力を前記パワーユニットが発生するために必要な前記発電電動機のトルクを指令トルクとして演算する指令トルク演算部と、
前記指令トルクに応じて前記発電電動機のトルク制御を行うモータトルク制御部と、
前記走行用駆動力から前記要求駆動力を引いた差が既定の正の値以上となっているときの前記要求駆動力に対して遅れを有して追従する値としてダッシュポット制御用要求駆動力を演算するダッシュポット制御処理部と、
を備えており、且つ前記要求エンジン出力演算部は、前記走行用駆動力から前記要求駆動力を引いた差が前記既定の正の値以上となっている期間には、前記ダッシュポット制御用要求駆動力に応じて前記要求エンジン出力を演算し、
前記ダッシュポット制御処理部は、前記発電電動機に給電するバッテリの単位時間当たり放電量の上限値である放電制限値が小さい値に設定されているときには、同放電制限値が大きい値に設定されているときよりも、前記要求駆動力に対する遅れの時定数が大きい値となるように前記ダッシュポット制御用要求駆動力の演算を行う
ハイブリッド車両の制御装置。 - エンジンと発電電動機との2種の駆動源を有したパワーユニットが発生する駆動力により走行するハイブリッド車両の制御装置において、
アクセル開度に応じて要求駆動力を演算する要求駆動力演算部と、
前記要求駆動力に対して遅れを有して追従する値として走行用駆動力を演算する走行用駆動力演算部と、
前記要求駆動力に応じてエンジン出力の要求値である要求エンジン出力を演算する要求エンジン出力演算部と、
前記要求エンジン出力に応じて前記エンジンの出力制御を行うエンジン出力制御部と、
前記要求エンジン出力に応じた出力を前記エンジンが発生している状態において前記走行用駆動力に応じた駆動力を前記パワーユニットが発生するために必要な前記発電電動機のトルクを指令トルクとして演算する指令トルク演算部と、
前記指令トルクに応じて前記発電電動機のトルク制御を行うモータトルク制御部と、
前記走行用駆動力から前記要求駆動力を引いた差が既定の正の値以上となっているときの前記要求駆動力に対して遅れを有して追従する値としてダッシュポット制御用要求駆動力を演算するダッシュポット制御処理部と、
を備えており、且つ前記要求エンジン出力演算部は、前記走行用駆動力から前記要求駆動力を引いた差が前記既定の正の値以上となっている期間には、前記ダッシュポット制御用要求駆動力に応じて前記要求エンジン出力を演算し、
前記発電電動機を第2発電電動機としたとき、前記パワーユニットは、前記第2発電電動機とは別の発電電動機である第1発電電動機と、前記エンジンに連結された第1回転要素、前記第1発電電動機に連結された第2回転要素、並びに前記第2発電電動機及び当該ハイブリッド車両の駆動軸に連結された第3回転要素の3つの回転要素からなる遊星ギア機構と、を備えており、
前記エンジン出力制御部は、前記要求エンジン出力に基づき目標エンジン回転数を設定するものであり、
且つ前記モータトルク制御部は、前記エンジンの回転数が前記目標エンジン回転数の値分の回転数となるように前記第1発電電動機のトルク制御を行うものであって、
前記ダッシュポット制御処理部は、前記目標エンジン回転数として高い回転数が設定されているときには、同目標エンジン回転数として低い回転数が設定されているときよりも、前記要求駆動力に対する前記ダッシュポット制御用要求駆動力の遅れの時定数が大きい値となるように同ダッシュポット制御用要求駆動力の演算を行う
ハイブリッド車両の制御装置。 - 前記ダッシュポット制御処理部は、前記要求駆動力に対する前記ダッシュポット制御用要求駆動力の遅れの時定数が、前記要求駆動力に対する前記走行用駆動力の遅れの時定数よりも大きい値となるように同ダッシュポット制御用要求駆動力を演算する
請求項1又は2に記載のハイブリッド車両の制御装置。
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