JP6447738B2 - 制御装置 - Google Patents
制御装置 Download PDFInfo
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- JP6447738B2 JP6447738B2 JP2017538521A JP2017538521A JP6447738B2 JP 6447738 B2 JP6447738 B2 JP 6447738B2 JP 2017538521 A JP2017538521 A JP 2017538521A JP 2017538521 A JP2017538521 A JP 2017538521A JP 6447738 B2 JP6447738 B2 JP 6447738B2
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- B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
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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
- 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
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0215—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission
- F02D41/023—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission in relation with the gear ratio shifting
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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
- B60W2510/00—Input parameters relating to a particular sub-units
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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
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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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- B60W2710/00—Output or target parameters relating to a particular sub-units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- Automation & Control Theory (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Transmission Device (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Description
内燃機関と車輪とを結ぶ動力伝達経路に入力部材と係合装置と変速入力部材と変速装置と出力部材とが記載の順に設けられた車両用駆動装置を制御対象とする制御装置であって、
前記車輪に前進加速方向のトルクが伝達されている状態で変速比が相対的に小さい変速段への切り替えを行うパワーオンアップシフト中に前記係合装置をスリップさせる変速中スリップ制御を実行し、前記パワーオンアップシフトにおけるイナーシャ相中に前記内燃機関の出力トルクを低下させるイナーシャ相中トルクダウン制御を実行し、前記変速中スリップ制御の実行中に前記入力部材の回転速度が前記変速入力部材の回転速度よりも高い値に設定される基準回転速度以上になったと判断された場合に、前記係合装置のスリップ開始時以後の時点から前記イナーシャ相の開始時までの第一期間に前記内燃機関の出力トルクを低下させる特別トルクダウン制御を実行する。
図3の例において、時刻T01でパワーオンアップシフト要求があったとすると、プレ相Ppが開始される。このプレ相Ppでは、解放側係合装置35Rの油圧指令が、完全係合圧から直結限界係合圧以上の予め定められた値までステップ的に低下されるとともに、締結側係合装置35Aの油圧指令が予め定められた予備充填圧まで上昇されて作動油のプリチャージが行われる。なお、完全係合圧は、各係合装置に伝達されるトルクが変動した場合にも直結係合状態を維持させるために設定される最大限の係合圧(或いは、それに対応する供給油圧又は油圧指令)である。直結限界係合圧は、直結係合状態の各係合装置がスリップし始める係合圧(或いは、それに対応する供給油圧又は油圧指令)である。予備充填圧は、例えば解放状態の各係合装置が伝達トルク容量を持ち始めるときの供給油圧又は油圧指令であるストロークエンド圧以下の圧に設定される。
図4及び図5は、変速中スリップ制御の第1の制御例を示す。本制御例は、パワーオンアップシフト中に実行される変速中スリップ制御の一例であり、より具体的にはイナーシャ相Piの開始前にもトルクダウンが実行される制御例である。このオンアップ中回転変化前トルクダウン制御を含む変速中スリップ制御では、パワーオンアップシフト要求が受け付けられると(ステップ#01:Yes/時刻T11)、切離用係合装置32のスリップ制御が開始される(#02)。すなわち、切離用係合装置32の油圧指令が、完全係合圧から直結限界係合圧以上の予め定められた値までステップ的に低下され(T11)、その後、一定の時間変化率で低下される(T11〜T13)。なお、切離用係合装置32のスリップ制御と並行して通常の変速制御が実行され、プレ相Pp(T11〜T12)及びトルク相Pt(T12〜T13)が進行する。
図6及び図7は、変速中スリップ制御の第2の制御例を示す。本制御例は、パワーオンアップシフト中に実行される変速中スリップ制御の一例であり、より具体的にはイナーシャ相Piの終了後にもトルクダウンが実行される制御例である。このオンアップ中回転変化後トルクダウン制御を含む変速中スリップ制御では、パワーオンアップシフト要求が受け付けられると(ステップ#21:Yes/時刻T21)、切離用係合装置32のスリップ制御が開始される(#22)。すなわち、切離用係合装置32の油圧指令が、完全係合圧から直結限界係合圧以上の予め定められた値までステップ的に低下され(T21)、その後、一定の時間変化率で低下される(T21〜T23)。なお、切離用係合装置32のスリップ制御と並行して通常の変速制御が実行され、プレ相Pp(T21〜T22)及びトルク相Pt(T22〜T23)が進行する。
(1)上記の実施形態では、第1の制御例及び第2の制御例として、パワーオンアップシフト時に、イナーシャ相Piの開始前及び終了後のいずれか一方のみで特別トルクダウン制御を実行する構成を例として説明した。しかし、そのような構成に限定されることなく、例えば第1の制御例と第2の制御例とを組み合わせ、パワーオンアップシフト時にイナーシャ相Piの開始前及び終了後の両方で特別トルクダウン制御を実行しても良い。
以上をまとめると、本開示に係る制御装置は、好適には、以下の各構成を備える。
内燃機関(EG)と車輪(W)とを結ぶ動力伝達経路に入力部材(31)と係合装置(32,38,39L)と変速入力部材(34)と変速装置(35)と出力部材(36)とが記載の順に設けられた車両用駆動装置(3)を制御対象とする制御装置(1)であって、
前記車輪(W)に前進加速方向のトルクが伝達されている状態で変速比が相対的に小さい変速段への切り替えを行うパワーオンアップシフト中に前記係合装置(32,38,39L)をスリップさせる変速中スリップ制御を実行し、前記パワーオンアップシフトにおけるイナーシャ相(Pi)中に前記内燃機関(EG)の出力トルクを低下させるイナーシャ相中トルクダウン制御を実行し、前記変速中スリップ制御の実行中に前記入力部材(31)の回転速度(Neg)が前記変速入力部材(34)の回転速度(Nin)よりも高い値に設定される基準回転速度(Ns)以上になったと判断された場合に、前記係合装置(32,38,39L)のスリップ開始時以後の時点から前記イナーシャ相(Pi)の開始時までの第一期間(P1)に前記内燃機関(EG)の出力トルクを低下させる特別トルクダウン制御を実行する。
前記イナーシャ相(Pi)の終了時以後の時点から前記係合装置(32,38,39L)の直結係合時以前の時点までの第二期間(P2)に、前記特別トルクダウン制御を実行する。
3 車両用駆動装置
14 変速用トルク制御部
15 変速中スリップ制御部
16 特別トルクダウン制御部
31 入力部材
32 切離用係合装置(係合装置)
34 変速入力部材
35 変速装置
36 出力部材
38 第二切離用係合装置(係合装置)
39L 直結用係合装置(係合装置)
EG 内燃機関
W 車輪
Neg 入力部材の回転速度
Nin 変速入力部材の回転速度
Nsynb 変速前同期回転速度
Nsyna 変速後同期回転速度
Ns 基準回転速度Ns
ΔN1 第一差回転速度
ΔN2 第二差回転速度
ΔN3 第三差回転速度
Pi イナーシャ相
P1 第一期間
P2 第二期間
P3 第三期間
Claims (1)
- 内燃機関と車輪とを結ぶ動力伝達経路に入力部材と係合装置と変速入力部材と変速装置と出力部材とが記載の順に設けられた車両用駆動装置を制御対象とする制御装置であって、
前記車輪に前進加速方向のトルクが伝達されている状態で変速比が相対的に小さい変速段への切り替えを行うパワーオンアップシフト中に前記係合装置をスリップさせる変速中スリップ制御を実行し、前記パワーオンアップシフトにおけるイナーシャ相中に前記内燃機関の出力トルクを低下させるイナーシャ相中トルクダウン制御を実行し、前記変速中スリップ制御の実行中に前記入力部材の回転速度が前記変速入力部材の回転速度よりも高い値に設定される基準回転速度以上になったと判断された場合に、前記係合装置のスリップ開始時以後の時点から前記イナーシャ相の開始時までの第一期間と、前記イナーシャ相の終了時以後の時点から前記係合装置の直結係合時以前の時点までの第二期間とに、前記内燃機関の出力トルクを低下させる特別トルクダウン制御を実行する制御装置。
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CN107923324B (zh) | 2021-01-01 |
CN107923324A (zh) | 2018-04-17 |
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