WO2001081788A1 - Boite de vitesse automatique - Google Patents
Boite de vitesse automatique Download PDFInfo
- Publication number
- WO2001081788A1 WO2001081788A1 PCT/JP2001/003513 JP0103513W WO0181788A1 WO 2001081788 A1 WO2001081788 A1 WO 2001081788A1 JP 0103513 W JP0103513 W JP 0103513W WO 0181788 A1 WO0181788 A1 WO 0181788A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gear
- shaft
- assist
- clutch
- output shaft
- Prior art date
Links
Classifications
-
- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/091—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
- F16H3/0915—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft with coaxial input and output shafts
-
- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
-
- 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
- F16H61/0403—Synchronisation before shifting
- F16H2061/0407—Synchronisation before shifting by control of clutch in parallel torque path
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19219—Interchangeably locked
- Y10T74/19242—Combined gear and clutch
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19219—Interchangeably locked
- Y10T74/19251—Control mechanism
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19219—Interchangeably locked
- Y10T74/19251—Control mechanism
- Y10T74/19256—Automatic
- Y10T74/1926—Speed responsive
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19219—Interchangeably locked
- Y10T74/19284—Meshing assisters
Definitions
- still another aspect of the present invention is to provide an assist mechanism that completely unlocks a meshing clutch currently engaged with a transmission gear when a meshing clutch switching command is output.
- the squeaky clutch force s Completely released from the engaged transmission gear
- the clutch is engaged, it is engaged according to the engine torque and transmits the rotational power of the input shaft to the output shaft, and is released when the meshing clutch is engaged with the gear to be engaged based on the switching command. Things.
- FIG. 3 is a right side view of the automatic transmission shown in FIG.
- FIG. 9 is a flowchart of the assist clutch transmission torque control command processing at the time of shifting.
- FIG. 12 is a diagram for explaining a relationship between an assist gear ratio and a shiftable region.
- FIG. 18 is an overall ffi diagram of the automatic transmission in the case where the assist gear ratio, which is another embodiment of the present invention, is a third gear ratio.
- the counter third gear 3 16 is fixed at a predetermined distance from the counter, and the counter second gear 3 17 is fixed at a predetermined distance from the counter third gear 3 16 to the rear of the vehicle.
- a counter first gear 318 is fixedly mounted on the rear side of the counter second gear 317 at a predetermined distance from the counter second gear 317.
- a counter fifth speed gear 3222 is fixed to the rear side of the counter first speed gear 318 at a predetermined interval from the counter first speed gear 318.
- a third speed gear 303 is combined with the count third gear 316, and the third speed gear 303 is rotatably provided on the output shaft 323.
- the output shaft 3 2 3 is provided with a meshing clutch 302 between the third speed gear 303 and the drive gear 301. 2 is engaged with the output shaft 3 2 3.
- this baby clutch 302 is engaged with the output shaft 323 and is slidable on the output shaft 323.
- Engage the engaging clutch 302 and the drive gear 301 (4th speed) to transmit the output of the input shaft 300 to the output shaft 323, or shift the engaging clutch 302.
- By engaging clutches 302 and 3rd gear 3 0 3 and the output of the input shaft 300 is shifted through the counter third speed gear 316 to be transmitted to the output shaft 323.
- the operation of the engagement clutch 302 and the engagement clutch 305 is performed by operating the actuating mechanism of the shift select 5 to move the striking load 311 via the striking arm 312.
- the shift select 5 performs an operation of switching to a variable gear selected from an accelerator command value output based on a driver's accelerator depression amount and a current vehicle speed of the vehicle.
- Switching of the reverse gear 309 is performed by a meshing clutch 308.
- the engagement clutch 308 is configured to be slidable on the output shaft 323, and is engaged with the output shaft 323 by shifting the engagement clutch 308 forward.
- the reverse gear 309 and the reverse purse idler gear 320 are combined, and the rotation of the reverse idler gear 320 is transmitted to the output shaft 323 via the reverse gear 309.
- the engagement clutch 308 is fastened to the reverse gear 309, the vehicle runs in reverse. .
- the starter motor rotates and engine 2 starts.
- the shift select 5 receives the range lever command, activates the actuator, and engages the output shaft 3 2 3
- the engaged clutch 305 is shifted to the rear of the vehicle and engaged with the first gear 306.
- the engagement between the engagement clutch 300 and the first-speed gear 303 is such that the engagement clutch 300, the first-speed gear 303 and the counter first-speed gear 318 are engaged. become.
- FIGS. 5 shows a state in which the meshing clutch 305 is shifted in the forward direction of the vehicle and is engaged with the second gear 304.
- the control device moves the gear position into the area of the fourth gear 301 (drive gear) based on the accelerator command value and the vehicle speed. Is detected, and the control device outputs a command to shift select 5
- the control device detects that the gear position has entered the region of the second-speed gear 304 from the region of the third-speed gear 303 based on the xell command value and the vehicle speed, and the control device shifts to the shift select 5. Outputs a drive command. Then, the actuator is operated to shift the engagement clutch 302 engaged with the output shaft 3 2 3 in the forward direction of the vehicle to release the engagement with the third speed gear 303. .
- FIG. 8 is an example of a detailed overall configuration of an automobile using the automatic transmission of the present invention.
- the engine 101 has an electronically controlled throttle 103 for adjusting the engine torque, an engine speed sensor 102 for detecting the engine speed, other sensors, and an actuator.
- the engine 101 is controlled by an engine control unit 402.
- the electronic control throttle 103 is controlled by an electronic throttle control unit 401.
- the target torque Tc_ft which is the rotation speed ratio FB (feedback) of the assist clutch 6.
- the target engine speed (input shaft speed) is calculated according to the target speed ratio
- the engine speed Ne is fed back
- the speed ratio FB target torque Tc—fb of the assist clutch 6 is calculated.
- the calculation may be performed.
- the target rotation speed (input shaft rotation speed) during shifting may be calculated by sequentially calculating a gear ratio that smoothly changes from a gear ratio before shifting to a gear ratio after shifting. Step 508
- an engine target torque Te_ref1 that achieves the engine speed Ne that achieves a predetermined input / output shaft speed ratio Rch is calculated.
- the engine target torque Te-re; f2 is calculated so that the deviation between the output shaft torque after shifting and the transmission torque command value Tc-ref is reduced. I do.
- the engine target torque Te ref2 obtained in step 606 is output.
- Output engine The target torque Te-ref2 is transmitted to the electronically controlled throttle port 401 by CAN.
- the electronic control throttle controller 401 controls the electronic control throttle 103 so as to achieve the engine target torque Te-ref2.
- FIG. 11 is a time chart showing the $ Sir state during gear shifting.
- (A) is the speed change command Ss
- (B) is the shift lever position Ii corresponding to the clutch position
- (C) is the input / output shaft rotation ratio Rch
- (D) is the throttle opening.
- ⁇ and ( ⁇ ) indicate the torque Tc of the assist clutch 6, and (F) indicates the output shaft torque Tout.
- the horizontal axis indicates time.
- the transmission torque command value during shifting is determined by the torque Tc of the assist clutch 6, and the output shaft torque after shifting is determined by the engine torque Te and the speed ratio ⁇ 2 of the second speed.
- the assist clutch 6 is in a slipping state. Therefore, when the torque Te of the engine 101 is larger than a predetermined value, the transmission torque command value during shifting is changed to the torque of the assist clutch 6. Since it is determined by Tc, torque matching control at the end of gear shifting can be performed independently of assist clutch transmission torque control during gear shifting.
- the mating clutch is engaged to the 2nd speed, and when the actual shift is completed, the throttle opening ⁇ ⁇ ⁇ is gradually returned to the opening before the shift, and the shift control is terminated at point e.
- the plurality of meshing clutches 302, 305, 308 are connected to the plurality of transmission gears 301, 303, 304, 306, 310. And transmission gears that transmit the power of the input shaft 300 to the output shaft 3 2 3 using any of the transmission gears 301, 303, 304, 300, A plurality of meshing clutches 302, 305, 308, which engage and disengage the 310 and the output shaft 3223, are controlled to engage a transmission gear determined by the accelerator command value and the vehicle speed to perform automatic shifting.
- a plurality of transmission gears 31, 30 3, 30 4, 30 46 which are rotatably provided on the output shaft 32 3 that applies driving force to the wheels, 3 10, a plurality of engaging clutches 3 0 2, 3 0 5, 3 0 8 engaged with the output shaft 3 2 3, and a plurality of speed change gears 3 0 1, 3 0 3, 3 0 4,
- An input shaft 3 that rotates in response to the power of the engine 2 when combined with 3 0 6 and 3 10 3
- a counter shaft 3 that rotates in response to the rotation of 3 0 01, 303, 304, 306, 310, and a plurality of transmission gears 301, 303, 304, 306, determined by the accelerator command value and vehicle speed.
- Any one of the transmission gears 3 0 1, 3 0 3, 3 0 4, 3 0 6, 3 10 is provided with a plurality of meshing clutches 3 0 2, 3 0 5, 3 0 8
- a plurality of interlocking clutches Disengage the engaged clutch out of 302, 305, and 308, and release any of multiple engaged clutches 302, 305, 308.
- the solid line shows the torque of the output shaft 32 when the assist gear ratio is equivalent to the third gear ratio
- the dotted line shows the torque of the output shaft 32 when the assist gear ratio is equivalent to the fifth gear ratio.
- Engine torque is fixed at 200 [Nm].
- the pull-in torque when the assist gear ratio is equivalent to the third gear ratio is 118 [Nm]
- when the assist gear ratio is equivalent to the fifth gear ratio is 228 [3 ⁇ 4].
- the pull-in torque is 48 [Nm].
- Fig. 14 shows the relationship of the pull-in torque in each shift for each assist gear ratio.
- the vertical axis indicates the pull-in torque
- the horizontal axis indicates each shift timing.
- the two-dot chain line is when the assist gear ratio is equivalent to the second gear ratio
- the one-dot chain line is when the assist gear ratio is equivalent to the fourth gear ratio.
- the dotted line is the pull-in torque when the assist gear ratio is equivalent to the fifth gear ratio.
- Engine torque is fixed at 200 [Nm]. At some assist gear ratios, the pull-in torque always increases.
- FIG. 18 is a transmission configuration diagram showing another example in which the fifth-speed transmission is used as an example and the assist gear ratio is the same as the third-speed gear ratio.
- the third gear ratio is realized by the assist gear 32, the assist output gear 32, the drive gear 301, and the counter drive gear 314. Further, in this example, the fifth-speed gear in the example of FIG. 17 is removed, and the fifth-speed gear is arranged at the third-speed gear position in FIG.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Structure Of Transmissions (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001578840A JP3906080B2 (ja) | 2000-04-25 | 2001-04-24 | 自動変速機 |
US10/239,149 US7222551B2 (en) | 2000-04-25 | 2001-04-24 | Automatic transmission |
EP01922049A EP1277988A1 (en) | 2000-04-25 | 2001-04-24 | Automatic transmission |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000124011 | 2000-04-25 | ||
JP2000-124011 | 2000-04-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001081788A1 true WO2001081788A1 (fr) | 2001-11-01 |
Family
ID=18634209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/003513 WO2001081788A1 (fr) | 2000-04-25 | 2001-04-24 | Boite de vitesse automatique |
Country Status (4)
Country | Link |
---|---|
US (1) | US7222551B2 (ja) |
EP (1) | EP1277988A1 (ja) |
JP (1) | JP3906080B2 (ja) |
WO (1) | WO2001081788A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002031224A (ja) * | 2000-07-17 | 2002-01-31 | Hitachi Ltd | 自動変速機の制御方法、および自動変速機の制御装置 |
US6976935B2 (en) * | 2002-07-12 | 2005-12-20 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Method and apparatus for operating a motor vehicle |
JP4200075B2 (ja) * | 2003-10-10 | 2008-12-24 | 株式会社日立製作所 | 自動車の変速方法,自動車の変速装置,自動車用変速機の制御装置,自動車の変速装置のアクチュエータ制御装置 |
US8393240B2 (en) * | 2009-08-14 | 2013-03-12 | Toyota Motor Engineering & Manufacturing North America, Inc. | Instrumented control pedals for electronically shifted manual transmissions |
US8843284B2 (en) * | 2009-08-14 | 2014-09-23 | Toyota Motor Engineering & Manufacturing North America, Inc. | Systems and methods for controlling manual transmissions |
CN102146988B (zh) * | 2011-03-23 | 2014-02-12 | 昆明理工大学 | 滑动轴键锁齿轮变速器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62190152U (ja) * | 1986-05-26 | 1987-12-03 | ||
JPS62191947U (ja) * | 1986-05-28 | 1987-12-07 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3802293A (en) * | 1972-08-28 | 1974-04-09 | Eaton Corp | Power shift |
JPS58146748A (ja) * | 1982-02-22 | 1983-09-01 | Mazda Motor Corp | 複合クラッチ式多段歯車変速機の変速制御方法 |
JPS58149449A (ja) * | 1982-03-02 | 1983-09-05 | Toyota Motor Corp | 車両用自動変速機の変速制御方法 |
DE3602374A1 (de) | 1986-01-28 | 1987-07-30 | Basf Ag | Verfahren zur herstellung von 6-aminocapronsaeure |
JPS62191947A (ja) | 1986-02-19 | 1987-08-22 | Alps Electric Co Ltd | デイスクキヤツシユ制御処理方式 |
JPS632736A (ja) | 1986-06-20 | 1988-01-07 | Toyota Motor Corp | 車両用自動変速装置 |
JPH01206138A (ja) * | 1988-02-10 | 1989-08-18 | Honda Motor Co Ltd | 自動車用変速機 |
JP2832277B2 (ja) * | 1989-02-28 | 1998-12-09 | 富士重工業株式会社 | 4輪駆動車のトルク配分制御装置 |
JPH06330960A (ja) | 1993-05-20 | 1994-11-29 | Hino Motors Ltd | 動力同期装置付変速装置 |
JP4104091B2 (ja) * | 1996-12-13 | 2008-06-18 | 富士重工業株式会社 | 4輪駆動車用手動変速機 |
JP3660528B2 (ja) * | 1999-06-07 | 2005-06-15 | 本田技研工業株式会社 | 平行軸式変速機 |
US6647817B2 (en) * | 2000-02-14 | 2003-11-18 | Fuji Jukogyo Kabushiki Kaisha | Automatic transmission |
JP2001280175A (ja) * | 2000-03-30 | 2001-10-10 | Hitachi Ltd | 歯車式機構を用いた自動変速機の制御装置及び方法 |
JP3499190B2 (ja) * | 2000-04-04 | 2004-02-23 | 株式会社日立製作所 | 自動変速機 |
JP4519296B2 (ja) * | 2000-09-14 | 2010-08-04 | 富士重工業株式会社 | 4輪駆動車のトランスミッション装置 |
JP3787492B2 (ja) * | 2000-11-29 | 2006-06-21 | 株式会社日立製作所 | 自動変速機制御装置、および方法 |
JP2002243028A (ja) * | 2001-02-15 | 2002-08-28 | Hitachi Ltd | 自動変速機の制御装置および制御方法 |
-
2001
- 2001-04-24 JP JP2001578840A patent/JP3906080B2/ja not_active Expired - Fee Related
- 2001-04-24 EP EP01922049A patent/EP1277988A1/en not_active Withdrawn
- 2001-04-24 WO PCT/JP2001/003513 patent/WO2001081788A1/ja active Application Filing
- 2001-04-24 US US10/239,149 patent/US7222551B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62190152U (ja) * | 1986-05-26 | 1987-12-03 | ||
JPS62191947U (ja) * | 1986-05-28 | 1987-12-07 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2001081788A1 (ja) | 2004-01-08 |
US20030150286A1 (en) | 2003-08-14 |
JP3906080B2 (ja) | 2007-04-18 |
US7222551B2 (en) | 2007-05-29 |
EP1277988A1 (en) | 2003-01-22 |
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