JP7415974B2 - 動力伝達装置の制御装置、車両、および動力伝達装置の制御方法 - Google Patents
動力伝達装置の制御装置、車両、および動力伝達装置の制御方法 Download PDFInfo
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- JP7415974B2 JP7415974B2 JP2021021040A JP2021021040A JP7415974B2 JP 7415974 B2 JP7415974 B2 JP 7415974B2 JP 2021021040 A JP2021021040 A JP 2021021040A JP 2021021040 A JP2021021040 A JP 2021021040A JP 7415974 B2 JP7415974 B2 JP 7415974B2
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- 230000005540 biological transmission Effects 0.000 title claims description 67
- 238000000034 method Methods 0.000 title claims description 29
- 230000008929 regeneration Effects 0.000 claims description 19
- 238000011069 regeneration method Methods 0.000 claims description 19
- 230000004048 modification Effects 0.000 description 29
- 238000012986 modification Methods 0.000 description 29
- 238000010586 diagram Methods 0.000 description 15
- 230000007246 mechanism Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000001172 regenerating effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
- B60K23/0808—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles for varying torque distribution between driven axles, e.g. by transfer clutch
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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
- B60K6/48—Parallel type
- B60K2006/4816—Electric machine connected or connectable to gearbox internal shaft
-
- 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
- B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
-
- 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
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
- B60K2023/085—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles automatically actuated
-
- 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
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
- B60K2023/085—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles automatically actuated
- B60K2023/0858—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles automatically actuated with electric means, e.g. electro-hydraulic means
-
- 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
- B60W2510/12—Differentials
- B60W2510/125—Locking status
-
- 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
- B60W2710/12—Differentials
- B60W2710/125—Locking status
-
- 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
- B60W2720/00—Output or target parameters relating to overall vehicle dynamics
- B60W2720/40—Torque distribution
- B60W2720/403—Torque distribution between front and rear axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—Hybrid vehicles
-
- 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
- B60Y2300/18—Propelling the vehicle
- B60Y2300/18008—Propelling the vehicle related to particular drive situations
- B60Y2300/1815—Cornering
-
- 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
- B60Y2300/42—Control of clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/42—Clutches or brakes
- B60Y2400/421—Dog type clutches or brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/70—Gearings
- B60Y2400/73—Planetary gearings
-
- 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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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Hybrid Electric Vehicles (AREA)
- Structure Of Transmissions (AREA)
Description
2 エンジン(第1動力源)
3,3R,3L 前輪(第2駆動輪)
4,4R,4L 後輪(第1駆動輪)
10 動力伝達装置
11 変速機
12 トランスファ
13 フロントプロペラシャフト
14 リヤプロペラシャフト
21 第1入力軸
22 第2入力軸
23 後輪側出力軸(第1出力軸)
24 前輪側出力軸(第2出力軸)
25 遊星歯車装置(差動装置)
30 モータ(第2動力源)
40 係合装置
41 切替スリーブ
51 第1回転部材
52 第2回転部材
100 電子制御装置(制御装置)
C キャリア
S サンギヤ
R リングギヤ
Claims (18)
- 第1動力源からの動力を入力する第1入力軸と、
第2動力源からの動力を入力する第2入力軸と、
第1駆動輪に動力を出力する第1出力軸と、
第2駆動輪に動力を出力する第2出力軸と、
三つの回転要素として、前記第2入力軸が連結された第1回転要素と、前記第2出力軸が連結された第2回転要素と、前記第1入力軸および前記第1出力軸が連結された第3回転要素とを有する差動装置と、
を備えた動力伝達装置の制御装置であって、
前記第2動力源が動力を出力する状態において前記第1出力軸のトルクが閾値以下となる場合には、前記第1出力軸のトルクが閾値よりも大きい場合と比べて前記差動装置の差動作用を制限する
ことを特徴とする動力伝達装置の制御装置。 - 前記動力伝達装置は、前記三つの回転要素のうちのいずれか二つの回転要素を選択的に連結する係合装置をさらに備え、
前記差動装置が差動可能かつ前記第2動力源が動力を出力する状態において前記第1出力軸のトルクが閾値以下となる場合には、前記係合装置を係合する
ことを特徴とする請求項1に記載の動力伝達装置の制御装置。 - 前記第1入力軸から前記第1出力軸に入力されるトルクと、前記第2動力源が出力するトルクと、前記第2動力源と前記第2入力軸との間のギヤ比と、前記差動装置のギヤ比とに基づいて、前記第1出力軸のトルクを算出し、
算出された前記第1出力軸のトルクと前記閾値とを比較する
ことを特徴とする請求項2に記載の動力伝達装置の制御装置。 - 前記第2動力源は、回転電機であり、
前記回転電機による回生を行う場合には、前記係合装置を係合する
ことを特徴とする請求項2または3に記載の動力伝達装置の制御装置。 - 前記第1動力源と前記第2動力源とのうちの前記第2動力源のみを駆動する場合には、前記係合装置を係合する
ことを特徴とする請求項2から4のうちのいずれか一項に記載の動力伝達装置の制御装置。 - 前記係合装置は、係合状態と半係合状態と解放状態とに切り替わる摩擦係合装置である
ことを特徴とする請求項2から5のうちのいずれか一項に記載の動力伝達装置の制御装置。 - 前記第1駆動輪および前記第2駆動輪は、車両の車輪であり、
前記差動装置が差動可能かつ前記第2動力源が動力を出力する状態において前記第1出力軸のトルクが閾値以下となる際、前記車両の旋回度合いが大きい場合には、前記車両の旋回度合いが小さい場合と比べて前記摩擦係合装置の係合度合いを小さくする
ことを特徴とする請求項6に記載の動力伝達装置の制御装置。 - 前記差動装置が差動可能かつ前記第2動力源が動力を出力する状態において前記第1出力軸のトルクが閾値以下となる際、前記車両の旋回中は、前記摩擦係合装置を半係合状態にする
ことを特徴とする請求項7に記載の動力伝達装置の制御装置。 - 前記係合装置は、前記第2回転要素と前記第3回転要素とを選択的に連結する
ことを特徴とする請求項6から8のうちのいずれか一項に記載の動力伝達装置の制御装置。 - 前記係合装置は、前記第1回転要素と前記第3回転要素とを選択的に連結する
ことを特徴とする請求項6から8のうちのいずれか一項に記載の動力伝達装置の制御装置。 - 請求項1から10のうちのいずれか一項に記載の動力伝達装置の制御装置を備える車両。
- 第1動力源からの動力を入力する第1入力軸と、
第2動力源からの動力を入力する第2入力軸と、
第1駆動輪に動力を出力する第1出力軸と、
第2駆動輪に動力を出力する第2出力軸と、
三つの回転要素として、前記第2入力軸が連結された第1回転要素と、前記第2出力軸が連結された第2回転要素と、前記第1入力軸および前記第1出力軸が連結された第3回転要素とを有する差動装置と、
を備えた動力伝達装置の制御方法であって、
前記第2動力源が動力を出力する状態において前記第1出力軸のトルクが閾値以下となる場合には、前記第1出力軸のトルクが閾値よりも大きい場合と比べて前記差動装置の差動作用を制限するステップを含む
ことを特徴とする動力伝達装置の制御方法。 - 前記動力伝達装置は、前記三つの回転要素のうちのいずれか二つの回転要素を選択的に連結する係合装置をさらに備え、
前記差動装置が差動可能かつ前記第2動力源が動力を出力する状態において前記第1出力軸のトルクが閾値以下となる場合には、前記係合装置を係合するステップをさらに含む
ことを特徴とする請求項12に記載の動力伝達装置の制御方法。 - 前記第1入力軸から前記第1出力軸に入力されるトルクと、前記第2動力源が出力するトルクと、前記第2動力源と前記第2入力軸との間のギヤ比と、前記差動装置のギヤ比とに基づいて、前記第1出力軸のトルクを算出するステップと、
算出された前記第1出力軸のトルクと前記閾値とを比較するステップとをさらに含む
ことを特徴とする請求項13に記載の動力伝達装置の制御方法。 - 前記第2動力源は、回転電機であり、
前記回転電機による回生を行う場合には、前記係合装置を係合するステップをさらに含む
ことを特徴とする請求項13または14に記載の動力伝達装置の制御方法。 - 前記第1動力源と前記第2動力源とのうちの前記第2動力源のみを駆動する場合には、前記係合装置を係合するステップをさらに含む
ことを特徴とする請求項13から15のうちのいずれか一項に記載の動力伝達装置の制御方法。 - 前記係合装置は、係合状態と半係合状態と解放状態とに切り替わる摩擦係合装置であり、
前記第1駆動輪および前記第2駆動輪は、車両の車輪であり、
前記差動装置が差動可能かつ前記第2動力源が動力を出力する状態において前記第1出力軸のトルクが閾値以下となる際、前記車両の旋回度合いが大きい場合には、前記車両の旋回度合いが小さい場合と比べて前記摩擦係合装置の係合度合いを小さくするステップをさらに含む
ことを特徴とする請求項13から16のうちのいずれか一項に記載の動力伝達装置の制御方法。 - 前記差動装置が差動可能かつ前記第2動力源が動力を出力する状態において前記第1出力軸のトルクが閾値以下となる際、前記車両の旋回中は、前記摩擦係合装置を半係合状態にするステップをさらに含む
ことを特徴とする請求項17に記載の動力伝達装置の制御方法。
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