WO2005108827A1 - Verfahren zur steuerung eines automatisierten schaltgetriebes - Google Patents
Verfahren zur steuerung eines automatisierten schaltgetriebes Download PDFInfo
- Publication number
- WO2005108827A1 WO2005108827A1 PCT/EP2005/004532 EP2005004532W WO2005108827A1 WO 2005108827 A1 WO2005108827 A1 WO 2005108827A1 EP 2005004532 W EP2005004532 W EP 2005004532W WO 2005108827 A1 WO2005108827 A1 WO 2005108827A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- input variables
- vehicle
- standardized
- actuators
- transmission
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 61
- 230000005540 biological transmission Effects 0.000 title claims abstract description 53
- 230000008569 process Effects 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims description 11
- 230000001276 controlling effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 4
- XDDAORKBJWWYJS-UHFFFAOYSA-N glyphosate Chemical compound OC(=O)CNCP(O)(O)=O XDDAORKBJWWYJS-UHFFFAOYSA-N 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000008844 regulatory mechanism Effects 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 1
- 238000004364 calculation method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007620 mathematical function Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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
- 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
- F16H61/02—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 characterised by the signals used
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H2059/003—Detecting or using driving style of a driver, e.g. for adapting shift schedules
-
- 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
- F16H2302/00—Determining the way or trajectory to new ratio, e.g. by determining speed, torque or time parameters for shift transition
- F16H2302/04—Determining a modus for shifting
Definitions
- the invention relates to a method for controlling an automated manual transmission according to the preamble of claim 1.
- Automated manual transmissions have been used in various types of motor vehicles for some time.
- the actuation of the starting and / or clutch as well as the selection of the shift gates and the engagement and disengagement of transmission gears are realized with the aid of actuators which can be actuated by pressure medium and which are usually designed as piston-cylinder arrangements.
- motor vehicles are also known in which only the starting and shift clutch or only those transmission elements which can be used to select and engage or disengage the transmission gear can be operated by auxiliary power.
- the actuation of the above-mentioned actuators is controlled by a transmission control device with the aid of control and regulating programs, which process information, for example about the driving situation, the switching situation and the driver's performance request, for clutch and shift commands.
- a gear change sequence in an automated manual transmission can be roughly divided into three phases. Starting from a vehicle in the driving state, these are first the load reduction in the previously used transmission gear and the opening of the starting and shift clutch, whereby the torque transmission from the vehicle engine to the transmission is interrupted. Then the new gear position or shift gate is selected and the gear elements necessary for the new gear gear are inserted, after which the clutch is closed and the load is increased again.
- the drive torque of the vehicle is influenced differently from the actual driver's request, which of course desires a vehicle propulsion without interruption in tractive power.
- the primary goal of a specialist in gearbox development is therefore to keep the necessary shifting time for each of these shifting phases as short as possible.
- a very short shift caused by the associated rapid torque changes but also a reduction in shifting comfort and a greater mechanical load on the transmission components involved in the shifting process.
- the shift time actually implemented in an automated manual transmission is always a compromise between conflicting interests with regard to the shortest possible shift time, the highest possible shift comfort and the lowest possible component loads.
- the invention is based on the knowledge that part of these factors influencing the actual switching time are not constants, but are dependent on the respective driving situation, the individual vehicle figuration for a given vehicle type as well as the different driver requirements with regard to comfort and shift speed.
- the variables influencing an optimal switching sequence therefore result in a number of combinations that can no longer be mastered in a sensible manner for a control program that would ultimately lead to many different switching sequences with individual switching times, component loads and switching comfort.
- gearbox manufacturers of different types of automated manual gearboxes wish to develop a control and regulation program that is uniform for all these gearbox types, which takes into account the respective vehicle type, its type of use, as well as individual driving situations and driver requests.
- the invention is based on the object of presenting a method for controlling an automated manual transmission, with which, depending on the influencing factors mentioned, such as driving condition, vehicle configuration and driver's desired performance, a situation-appropriate and in terms of its duration, shifting comfort and component loads optimal shifting can be carried out with an automated manual transmission.
- This method should also be suitable for being used without major changes in transmission control units of different types of automated manual transmissions.
- the invention is based on the basic idea that only a few shift sequence types can be formed from the large number of variables determining or influencing a shift process, which determine the shift duration, the shifting comfort and the component loads in a gear change process of the automatic transmission in a related control program. These types of switching processes only slightly limit the degree of fulfillment with regard to the different requirements, so that the result is switching processes that are optimally adapted to the respective conditions or optimally short and comfortable switching sequences.
- the invention is based on a method for controlling an automated manual transmission, in which a starting and / or clutch and / or for the selection and engagement and disengagement of the transmission gears certain transmission elements depending on the present and the driving situation and the The driver's performance requirements are actuated by actuators that are controlled by a control and regulating device.
- Detecting input variables influencing the switching process normalizing the input variables to standardized input variables, weighting the standardized input variables with weighting factors, summing the standardized and weighted input variables, summing and / or multiplying the standardized and weighted input variables to an intermediate variable, classifying the intermediate variable into one of several predetermined ones ten value ranges, each representing a switching sequence type, Carrying out the switching process by actuating the actuators with the aid of the actuator control variables and / or control algorithms assigned to the determined switching sequence type.
- This procedure ensures that the actuators for clutch actuation and / or for the selection and shifting process are controlled and / or regulated as a function of variables which not only depend on the driving situation and the driver's performance requirements, but also on the type of vehicle as well as its type of use. As a result, this method can be used cost-effectively as a program module in different transmission control devices for different automated manual transmissions.
- FIG. 1 shows a schematic data flow plan for a data processing program of a transmission control device according to a first method variant
- FIG. 2 shows an illustration as in FIG. 2, but for a second method variant.
- FIG. 1 and FIG. 2 make clear, when processing a program loop of a transmission control program designed according to the invention, a plurality of variables A, B, C, D, X relevant to the driving situation are available as input variables 1.
- the input variables 1 for the two method variants according to the invention are, summatively or alternatively, as driving situation parameters, for example the accelerator pedal actuation angle, the actuation situation at a kick-down switch on the accelerator pedal, a brake actuation signal via the actuation state of the service brake of the vehicle, the vehicle speed or equivalent variables, the vehicle longitudinal acceleration, the vehicle lateral acceleration, the driving resistance, the travel angle, the currently selected gear, the nominal gear of the transmission for the current driving situation, the current engine torque of the vehicle drive motor and the clutch temperature as an indicator for the thermal load increase stood the clutch used.
- the co-evaluation of the current vehicle mass is also judged to be advantageous as a parameter for the vehicle condition.
- These input variables 1 are either measured directly by sensors in a manner known per se or are calculated from measured auxiliary variables. For example, it is known to determine the driving speed from the transmission output speed.
- the values of the input variables 1 are then standardized in a calculation step 2, this input variable being divided by a respectively assigned and predetermined maximum value.
- the respective calculation step 2 is also identified by the designation “standard”
- the weighting factors 3 are such quantities that characterize the vehicle type, the transmission type, the performance characteristics of the drive motor and / or the drive train structure.
- the size that characterizes the powertrain structure reflects whether the vehicle has a front or rear wheel drive or is equipped with an all-wheel drive.
- weighting factors 3 allow the above-mentioned standardized input variables to be weighted in such a way that the meaning of individual input variables 1 for realizing, for example, the fastest possible one or a switching process that is as comfortable as possible, for example overemphasized, mediocre or even largely neglected.
- the weighting factors 3 can also take into account whether the automated manual transmission is used in a passenger vehicle, in a truck or in another commercial vehicle. In a further embodiment of the invention, it is judged to be advantageous if the weighting factors 3 also characterize whether a commercial vehicle is designed as a long-distance transport truck, city delivery van, touring coach or as an off-road vehicle.
- the standardized and weighted values of the input variables 1 are then added up according to a first method variant shown in FIG. 1 in an addition step 5 of each program loop to an intermediate variable 6, which is then fed to a classification stage 8.
- the intermediate value 6 calculated as described is assigned to one of a plurality of predetermined classification areas and stored in a classification area memory 7 (“areas”).
- areas Each of these classification areas in the classification area memory 7 is assigned a switching sequence type 9, so that the output value of the classification level 8 is one of several switching sequence types.
- the limits of the classification ranges for determining the shift sequence type 9 are preferably selected depending on the vehicle type, the transmission type, the performance characteristics of the drive motor and / or the drive train structure.
- the normalized and weighted values of the input variables 1 can also be multiplied with one another by the multiplication step in order to form the intermediate variable 6.
- the respective shift sequence types 9 are assigned actuator control variables and / or control algorithms, with the aid of which the actuators of the transmission and / or the clutch are controlled and the transmission change process is carried out.
- the intermediate variable 6 is used as a discrete change factor, which is linked to actuator control variables and / or control algorithms for actuating actuation of at least one of the actuators in such a way that the switching process by actuating the at least one an actuator takes place.
- Such a linkage of the intermediate variable 6 in the sense of a change factor can, for example, take place in such a way that a variable influencing the gradient of an actuator actuation speed is changed directly, so that, for example, a clutch closing process can run faster or slower following a mathematical function. It is also it is conceivable that this intermediate variable acts as a change factor in that a second of two switching valves is opened with which the actuating speed mentioned is constantly increased, for example, compared to a previous value.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE502005004814T DE502005004814D1 (de) | 2004-05-03 | 2005-04-28 | Verfahren zur steuerung eines automatisierten schaltgetriebes |
JP2007511962A JP2007536479A (ja) | 2004-05-03 | 2005-04-28 | 自動化マニュアルトランスミッションの制御方法 |
US11/579,358 US8073603B2 (en) | 2004-05-03 | 2005-04-28 | Method for controlling an automatic transmission |
EP05734135A EP1749161B1 (de) | 2004-05-03 | 2005-04-28 | Verfahren zur steuerung eines automatisierten schaltgetriebes |
BRPI0510516-1A BRPI0510516A (pt) | 2004-05-03 | 2005-04-28 | processo para o comando de uma engrenagem de mudança de velocidade automatizada |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004021801A DE102004021801A1 (de) | 2004-05-03 | 2004-05-03 | Verfahren zur Steuerung eines automatisierten Schaltgetriebes |
DE102004021801.3 | 2004-05-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005108827A1 true WO2005108827A1 (de) | 2005-11-17 |
Family
ID=34965001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/004532 WO2005108827A1 (de) | 2004-05-03 | 2005-04-28 | Verfahren zur steuerung eines automatisierten schaltgetriebes |
Country Status (8)
Country | Link |
---|---|
US (1) | US8073603B2 (de) |
EP (1) | EP1749161B1 (de) |
JP (1) | JP2007536479A (de) |
CN (1) | CN100439768C (de) |
AT (1) | ATE402360T1 (de) |
BR (1) | BRPI0510516A (de) |
DE (2) | DE102004021801A1 (de) |
WO (1) | WO2005108827A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2735488A1 (de) * | 2011-07-20 | 2014-05-28 | Toyota Jidosha Kabushiki Kaisha | Fahrzeugsteuerungssystem |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007027771A1 (de) * | 2007-06-16 | 2008-12-18 | Zf Friedrichshafen Ag | Verfahren zur Steuerung eines automatisierten Stufenschaltgetriebes |
ATE539288T1 (de) * | 2009-11-04 | 2012-01-15 | Zahnradfabrik Friedrichshafen | Verfahren zur steuerung von gangwechseln in getrieben für fahrzeuge |
DE102010041187A1 (de) * | 2010-09-22 | 2012-03-22 | Zf Friedrichshafen Ag | Verfahren zum Betätigen einer Baugruppe eines Getriebes |
DE102011080850B4 (de) | 2011-08-11 | 2022-01-13 | Zf Friedrichshafen Ag | Verfahren zur Schaltsteuerung eines automatisierten Schaltgetriebes |
DE102012204475A1 (de) | 2012-03-21 | 2013-09-26 | Zf Friedrichshafen Ag | Steuerungssystem eines Hybridfahrzeugs |
JP6897309B2 (ja) * | 2017-05-19 | 2021-06-30 | いすゞ自動車株式会社 | 自動変速機の制御装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4312717A1 (de) * | 1993-04-20 | 1993-11-04 | Zahnradfabrik Friedrichshafen | Verfahren zur steuerung eines automatischen schaltgetriebes |
US5519610A (en) * | 1993-09-29 | 1996-05-21 | Aisin Aw Co., Ltd. | Control system for automatic transmissions with teaching and automatic modes using a neural network |
DE19752623A1 (de) * | 1997-11-27 | 1999-06-10 | Siemens Ag | Steuerung für ein automatisches Kraftfahrzeuggetriebe |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US3684066A (en) * | 1969-10-08 | 1972-08-15 | Toyota Motor Co Ltd | Automatic shift control system for automatic transmission |
US4630508A (en) * | 1983-03-28 | 1986-12-23 | Wabco Westinghouse Fahrzeugbremsen Gmbh | Method and apparatus to determine constant speed torque on an engine |
US5036730A (en) * | 1988-06-17 | 1991-08-06 | Honda Giken Kogyo Kabushiki Kaisha | Vehicle automatic transmission control system |
JP2701429B2 (ja) * | 1989-03-03 | 1998-01-21 | 三菱電機株式会社 | 自動変速機の制御装置 |
US5231582A (en) * | 1989-03-29 | 1993-07-27 | Nissan Motor Company | Shifting control system for automotive automatic power transmission with enhanced variable shift pattern selection depending upon a resistance based upon vehicle acceleration and an engine parameter |
JPH04191132A (ja) * | 1990-11-26 | 1992-07-09 | Mitsubishi Electric Corp | 車両の走行抵抗検出装置 |
EP0801250B1 (de) * | 1991-03-13 | 2003-09-10 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Gangwechsel-Steuerverfahren für automatisches Fahrzeuggetriebe |
US5212998A (en) * | 1991-12-02 | 1993-05-25 | Deere & Company | Transmission control system with load compensated shift modulation |
DE4240762A1 (en) * | 1991-12-03 | 1993-06-09 | Hitachi, Ltd., Tokio/Tokyo, Jp | Automatic gearbox control for motor vehicle - uses vehicle wt. calculator, output torque estimator and stored gear setting tables to select gear taking into account required acceleration |
US5489247A (en) * | 1992-07-06 | 1996-02-06 | Eaton Corporation | Adaptive shift control method/system for modifying engine delay rate or vehicle coast deceleration during upshifts |
DE4439225B4 (de) * | 1993-12-27 | 2005-01-27 | Ford Motor Company, Dearborn | Defuzzifizierungsverfahren für Fuzzy Logic-Ausgangssignale und Reglervorrichtung hierzu |
US5487005A (en) * | 1994-02-07 | 1996-01-23 | Eaton Corporation | Method/system for determination of gross combined weight of vehicles equipped with electronic data links |
US6078856A (en) * | 1997-04-07 | 2000-06-20 | Ford Global Technologies, Inc. | Closed-loop adaptive fuzzy logic hydraulic pressure control for an automatic transmission |
DE19827133A1 (de) * | 1998-06-18 | 1999-12-23 | Volkswagen Ag | Triebstrangmanagement für ein Kraftfahrzeug |
-
2004
- 2004-05-03 DE DE102004021801A patent/DE102004021801A1/de not_active Withdrawn
-
2005
- 2005-04-28 WO PCT/EP2005/004532 patent/WO2005108827A1/de active Application Filing
- 2005-04-28 US US11/579,358 patent/US8073603B2/en not_active Expired - Fee Related
- 2005-04-28 BR BRPI0510516-1A patent/BRPI0510516A/pt not_active IP Right Cessation
- 2005-04-28 JP JP2007511962A patent/JP2007536479A/ja active Pending
- 2005-04-28 DE DE502005004814T patent/DE502005004814D1/de active Active
- 2005-04-28 AT AT05734135T patent/ATE402360T1/de not_active IP Right Cessation
- 2005-04-28 CN CNB2005800132029A patent/CN100439768C/zh not_active Expired - Fee Related
- 2005-04-28 EP EP05734135A patent/EP1749161B1/de not_active Not-in-force
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4312717A1 (de) * | 1993-04-20 | 1993-11-04 | Zahnradfabrik Friedrichshafen | Verfahren zur steuerung eines automatischen schaltgetriebes |
US5519610A (en) * | 1993-09-29 | 1996-05-21 | Aisin Aw Co., Ltd. | Control system for automatic transmissions with teaching and automatic modes using a neural network |
DE19752623A1 (de) * | 1997-11-27 | 1999-06-10 | Siemens Ag | Steuerung für ein automatisches Kraftfahrzeuggetriebe |
Non-Patent Citations (1)
Title |
---|
BAUKNECHT G ET AL: "DAS NEUE FUNFGANG-AUTOMATIKGETRIEBE FUR DIE UBERARBEITETEN BMW ACHTZYLINDERMOTOREN", ATZ AUTOMOBILTECHNISCHE ZEITSCHRIFT, FRANCKH., STUTTGART, DE, vol. 98, no. 10, October 1996 (1996-10-01), pages 508 - 514,516,51, XP000629647, ISSN: 0001-2785 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2735488A1 (de) * | 2011-07-20 | 2014-05-28 | Toyota Jidosha Kabushiki Kaisha | Fahrzeugsteuerungssystem |
EP2735488A4 (de) * | 2011-07-20 | 2017-05-10 | Toyota Jidosha Kabushiki Kaisha | Fahrzeugsteuerungssystem |
Also Published As
Publication number | Publication date |
---|---|
CN100439768C (zh) | 2008-12-03 |
EP1749161A1 (de) | 2007-02-07 |
EP1749161B1 (de) | 2008-07-23 |
DE102004021801A1 (de) | 2005-12-01 |
BRPI0510516A (pt) | 2007-10-30 |
ATE402360T1 (de) | 2008-08-15 |
US20090005942A1 (en) | 2009-01-01 |
JP2007536479A (ja) | 2007-12-13 |
DE502005004814D1 (de) | 2008-09-04 |
US8073603B2 (en) | 2011-12-06 |
CN1946955A (zh) | 2007-04-11 |
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