JP6074236B2 - ハイブリッド車両用駆動装置の変速制御装置 - Google Patents
ハイブリッド車両用駆動装置の変速制御装置 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
- 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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- 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
- B60K6/54—Transmission for changing ratio
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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
- B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- 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
- B60K6/48—Parallel type
- B60K2006/4808—Electric machine connected or connectable to gearbox output shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/02—Clutches
- B60W2510/0241—Clutch slip, i.e. difference between input and output speeds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
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- B60W2510/0275—Clutch torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2300/00—Purposes or special features of road vehicle drive control systems
- B60Y2300/70—Control of gearings
- B60Y2300/72—Facilitate disengaging of gears, e.g. by inducing a torque reversal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H2061/0425—Bridging torque interruption
- F16H2061/0433—Bridging torque interruption by torque supply with an electric motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2306/00—Shifting
- F16H2306/32—Preparing the opening or release of the torque transmitting element
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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
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- General Engineering & Computer Science (AREA)
- Hybrid Electric Vehicles (AREA)
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Control Of Transmission Device (AREA)
Description
モータトルクTm1=Tdrv−Tc ………………(演算式1)
モータトルクTm2=Tdrv−TeX ……………(演算式2)
ここで、エンジントルク推定値TeXは、エンジン2のトルク特性マップに制御の時間遅れを加味して推定した値である。例えば、或る時点において、その時点のエンジントルクTeよりも小さなエンジントルク要求値TeYを指令し、スロットルバルブ23のスロットル開度を絞り込んでエンジントルクTeを減少させる場合を考える。このとき、スロットルバルブ23の動作は、指令に対して時間遅れを有する。このため、次の時点において、時間遅れを見込んだスロットル開度ならびに実測したエンジン回転数Neをトルク特性マップにあてはめることで、エンジントルクTeの推定値TeXを推定することができる。通常、エンジントルク推定値TeXは、エンジントルク要求値TeYに対して、制御の時間遅れ分に相当するだけ遅れて追従変化する。
モータトルクTgm=Tm×DEFe/DEFm……………(演算式3)
ここで、演算式3中のエンジン側減速比DEFeは、エンジン2のアウトプットシャフト21と駆動前輪91との間の減速比であり、本実施形態では自動変速機3の噛合結合しているギヤトレーン33の変速比と差動装置93の減速比とを乗算した値である。また、モータ側減速比DEFmは、モータジェネレータ5のアウトプットシャフトと駆動前輪91との間の減速比であり、本実施形態ではモータジェネレータ5の減速機構の減速比と差動装置93の減速比とを乗算した値である。
2:エンジン
21:アウトプットシャフト 22:エンジン回転数センサ
23:スロットルバルブ(出力制御機構) 24:スロットル用アクチュエータ
25:スロットルセンサ 26:スターター 27:イグニッションスイッチ
3:自動変速機
31:入力軸 32:出力軸 33:ギヤトレーン
34:シフトアクチュエータ(ギヤ切替機構)
35:セレクトアクチュエータ(ギヤ切替機構)
37:回転数センサ
4:クラッチ
41:フライホイール 42:クラッチディスク
43:クラッチフェージング 44:プレッシャプレート
45:ダイヤフラムスプリング 46:クラッチカバー
47:油圧ダイレクトシリンダ(コンセントリックスレーブシリンダ)
48:クラッチアクチュエータ(クラッチ駆動機構)
5:モータジェネレータ 55:インバータ 56:バッテリ
61:エンジンECU 62:変速機ECU 63:モータECU
64:バッテリECU 65:HV−ECU
71:アクセル開度センサ 72:車速センサ
90:シャーシ 91:駆動前輪 92:車軸 93:差動装置
Tdrv:ドライバ要求トルクb Te:エンジントルク
TeX:エンジントルク推定値 TeY:エンジントルク要求値
Ma:クラッチの操作量 Tcクラッチトルク
Tm、Tm5、Tm6:モータトルク
Tm1:モータトルク(第1減算値)
Tm2:モータトルク(第2減算値)
Tgm:モータジェネレータのアウトプットシャフトにおけるモータトルク
Ne:エンジン回転数 Ni:変速機入力回転数
ΔN:回転数差(=Ne−Ni) N1:第1所定値 N2:第2所定値
Claims (4)
- 車両に搭載されたエンジンのアウトプットシャフトから出力されるとともに出力制御機構により制御されるエンジントルクによって回転駆動されるように適合された入力軸と、駆動輪に回転連結された出力軸とを有し、前記入力軸と前記出力軸とを異なる変速比で回転連結可能とする複数のギヤトレーンのうちの一つをギヤ切替機構により選択的に噛合結合する自動変速機と、
前記エンジンの前記アウトプットシャフトと前記自動変速機の前記入力軸とを回転連結する接続状態と連結解除する切断状態とに切り替え可能なクラッチと、
前記クラッチの前記接続状態と前記切断状態とを切り替え操作し、前記クラッチが前記接続状態で伝達するクラッチトルクを調整するクラッチ駆動機構と、
前記自動変速機の前記出力軸および前記駆動輪に回転連結され、前記エンジントルクに加算可能なモータトルクを発生して前記駆動輪を駆動するモータと、を備えたハイブリッド車両用駆動装置を制御対象とし、前記自動変速機の前記ギヤトレーンを切り替え制御する変速制御装置であって、
ドライバが操作するアクセル手段の操作量によって定められ前記駆動輪に要求される駆動トルクを前記エンジントルクに換算したドライバ要求トルクとして指示するトルク指示手段と、
変速条件が成立すると、前記出力制御機構により前記エンジントルクを減少させるとともに前記モータを駆動して前記モータトルクを発生させ、前記クラッチ駆動機構により前記クラッチを前記切断状態にし、前記ギヤ切替機構により前記ギヤトレーンを切り替えた後に、前記クラッチ駆動機構により前記クラッチを前記接続状態に戻し、前記モータトルクを減少させるとともに前記エンジントルクを増加させる変速制御手段と、
前記ギヤ切替機構により前記変速比を小さくするように前記ギヤトレーンを切り替えた後に、前記エンジンの前記アウトプットシャフトの回転数から前記自動変速機の前記入力軸の回転数を減算した回転数差が第1所定値を超過している間、前記ドライバ要求トルクから前記クラッチトルクを減算した第1減算値に基づいて前記モータトルクを求めるモータトルク演算手段と、
を備えるハイブリッド車両用駆動装置の変速制御装置。 - 請求項1において、
前記モータトルク演算手段は、前記ギヤ切替機構により前記変速比を小さくするように前記ギヤトレーンを切り替えた後に、前記回転数差が第2所定値以下に減少すると、前記ドライバ要求トルクから前記エンジントルクの推定値を減算する第2減算値に基づいて前記モータトルクを求めるハイブリッド車両用駆動装置の変速制御装置。 - 請求項2において、前記第2所定値は前記第1所定値よりも小さく、
前記モータトルク演算手段は、前記ギヤ切替機構により前記変速比を小さくするように前記ギヤトレーンを切り替えた後に、前記回転数差が漸減しながら第2所定値に達するまで前記第1減算値を用い、前記回転数差が第2所定値以下に減少すると前記第2減算値を用い、前記第2所定値以下に一旦減少した回転数差が変動して第2所定値を超過しても前記第1所定値を超過しなければ前記第2減算値を用い続け、一旦減少した回転数差が前記第1所定値を再度超過すると前記第1減算値を用いるハイブリッド車両用駆動装置の変速制御装置。 - 請求項1〜3のいずれか一項において、
前記エンジンの前記アウトプットシャフトと前記駆動輪との間の減速比をエンジン側減速比とし、前記モータのアウトプットシャフトと前記駆動輪との間の減速比をモータ側減速比としたとき、
前記モータトルク演算手段は、前記第1減算値または前記第2減算値に前記エンジン側減速比を乗算し前記モータ側減速比で除算して、前記モータの前記アウトプットシャフトにおけるモータトルクを求めるハイブリッド車両用駆動装置の変速制御装置。
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JP2015101248A (ja) * | 2013-11-26 | 2015-06-04 | アイシン精機株式会社 | ハイブリッド車両のトルク制御装置 |
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