DE102005048522A1 - Automatic transmission controlling method for motor vehicle, involves calculating predictive acceleration from data for allocating lane to motor vehicle and target speed of motor vehicle, and transferring data to automatic transmission - Google Patents
Automatic transmission controlling method for motor vehicle, involves calculating predictive acceleration from data for allocating lane to motor vehicle and target speed of motor vehicle, and transferring data to automatic transmission Download PDFInfo
- Publication number
- DE102005048522A1 DE102005048522A1 DE102005048522A DE102005048522A DE102005048522A1 DE 102005048522 A1 DE102005048522 A1 DE 102005048522A1 DE 102005048522 A DE102005048522 A DE 102005048522A DE 102005048522 A DE102005048522 A DE 102005048522A DE 102005048522 A1 DE102005048522 A1 DE 102005048522A1
- Authority
- DE
- Germany
- Prior art keywords
- motor vehicle
- automatic transmission
- acceleration
- adr
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K31/02—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically
- B60K31/04—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of an electrical signal which is fed into the controlling means
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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
- F16H61/02—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
- F16H61/0202—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 the signals being electric
- F16H61/0204—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 the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—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 the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/60—Inputs being a function of ambient conditions
- F16H59/66—Road conditions, e.g. slope, slippery
- F16H2059/666—Determining road conditions by using vehicle location or position, e.g. from global navigation systems [GPS]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Control Of Transmission Device (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Ansteuern eines Automatikgetriebes während des ADR-Fahrbetriebs eines Kraftfahrzeug gemäß dem Oberbegriff des Anspruchs 1.The The invention relates to a method for driving an automatic transmission while the ADR driving operation of a motor vehicle according to the preamble of the claim 1.
Unter einem ADR-Fahrbetrieb (ADR=Automatische Distanz-Regelung) eines Kraftfahrzeugs, der auch als ACC-Fahrbetrieb (ACC=Automatic Cruise Control) bezeichnet wird, wird ein abstandssensitiver und geschwindigkeitsgeregelter Fahrbetrieb des Kraftfahrzeugs verstanden, bei welchem mit Hilfe einer Abstandssensorik automatisch auf die Beschleunigung und die Bremse des Fahrzeugs eingewirkt wird. Derartige Systeme werden in zunehmendem Maße in heutigen Kraftfahrzeugen eingesetzt.Under ADR (ADR = Automatic Distance Control) driving Motor vehicle, also known as ACC driving (ACC = Automatic Cruise Control) becomes a distance-sensitive and speed-controlled Driving operation of the motor vehicle understood in which by means of a distance sensor automatically to the acceleration and the Brake of the vehicle is acted upon. Such systems are used in increasing used in today's motor vehicles.
Eine
weitere Ausbaustufe des ADR-Fahrbetriebs ist aus der Druckschrift
Ein ähnliches
System ist aus der
Ferner
ist aus der
Üblicherweise wird bei den oben genannten Regelungen eines ADR-Systems ein Soll-Beschleunigungswert aus dem gemessenen Abstand und der Geschwindigkeit von einem übergeordneten Regelkreis berechnet und einem untergeordneten Regelkreis zur Ansteuerung des Motors oder der Bremse übergeben. Diese Regelgröße ist für die aktuell einzustellende Beschleunigung (Verzögerung) maßgebend. Das Getriebe wählt dann im Normalfall den Gang passend zum Beschleunigungswunsch aus, wobei für diese Gangwahl unter anderem die Motordrehzahl und das Motormoment von der Getriebesteuerung ausgewertet werden. Dabei kann die Getriebesteuerung zur Auswahl des passenden Ganges nur von den Momentanwerten der Drehzahl und des Moments des Motors ausgehen. Ist daher eine kurzfristige Beschleunigung notwendig, beispielsweise eine Beschleunigung des Fahrzeugs um 10 km/h zum Nachfolgen des Vordermanns, so kann es zu einem unerwünschten Gangwechsel, d.h. einem Herunterschalten, kommen. Da die Beschleunigung kurz danach wieder verringert wird, kann es zu einem erneuten Gangwechsel kommen. Dies führt zu einem als Pendelschalten bezeichneten Verhalten. Andererseits kann bei einem länger andauernden Beschleunigungsvorgang ein frühzeitiges Herunterschalten sinnvoll sein, wie dies beispielsweise der Fall ist, wenn die Fahrbahn frei ist und das Fahrzeug seine Geschwindigkeit um 60 km/h beschleunigen möchte.Usually becomes a target acceleration value in the above-mentioned regulations of an ADR system from the measured distance and the speed of a parent Control circuit calculated and a subordinate control loop for control the engine or the brake. This controlled variable is current To be set acceleration (deceleration) prevail. The transmission then chooses in the normal case, the gear suitable for the acceleration request, where for this Gear selection including the engine speed and the engine torque of the transmission control are evaluated. In this case, the transmission control to select the appropriate gear only from the instantaneous values of Speed and torque of the engine go out. Is therefore a short-term Acceleration necessary, for example, an acceleration of the Vehicle at 10 km / h to follow the car in front, so it can to an undesirable Gear change, i. a downshift, come. Because the acceleration is reduced again shortly thereafter, it may be a new gear change come. this leads to to a behavior called pendular switching. on the other hand can last longer ongoing acceleration process an early downshift be meaningful, as is the case, for example, when the road surface is free and the vehicle wants to accelerate its speed by 60 km / h.
Der Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren zur Steuerung eines Automatikgetriebes während des ADR-Betriebs eines Kraftfahrzeugs sowie eine entsprechende Vorrichtung zu schaffen, bei welchem unerwünschte Pendelschaltungen und zu spät einsetzende Beschleunigungen im wesentlichen vermieden werden.Of the The invention is therefore based on the object, a method of control an automatic transmission during the ADR operation of a motor vehicle and a corresponding device to create at which unwanted Pendulum switching and too late occurring accelerations are substantially avoided.
Diese Aufgabe wird durch ein Verfahren zum Ansteuern eines Automatikgetriebes eines Kraftfahrzeugs während des ADR-Betriebs mit den Merkmalen des Anspruchs 1 sowie durch eine Vorrichtung zur Durchführung des Verfahrens nach Anspruch 8 gelöst. Bevorzugte Ausführungsformen der Erfindung sind Gegenstand der Unteransprüche.These Task is a method for driving an automatic transmission of a motor vehicle during the ADR operation with the features of claim 1 and by a Apparatus for carrying out the method of claim 8 solved. Preferred embodiments The invention are the subject of the dependent claims.
Bei dem erfindungsgemäßen Verfahren zum Ansteuern eines Automatikgetriebes eines Kraftfahrzeugs, wobei das Kraftfahrzeug ein ADR-System aufweist und im ADR-Modus betrieben wird, wird aus den im ADR-System vorliegenden Daten zur Fahrbahnbelegung vor dem Kraftfahrzeug und der Zielgeschwindigkeit des Kraftfahrzeugs eine prädiktive Beschleunigung, die an einem vorgegebenen Zeithorizont auftreten wird, berechnet, und diese prädiktive Beschleunigung dem Automatikgetriebe zugeführt. Unter dem vorgegeben Zeithorizont wird ein vorgegebener zukünftiger Zeitpunkt verstanden.at the method according to the invention for driving an automatic transmission of a motor vehicle, wherein the motor vehicle has an ADR system and operated in ADR mode becomes from the data available in the ADR system for lane occupancy in front of the motor vehicle and the target speed of the motor vehicle a predictive Acceleration occurring at a given time horizon is calculated, and this predictive acceleration fed to the automatic transmission. Under the given time horizon becomes a given future one Time understood.
Vorzugsweise weist das Automatikgetriebe ein Getriebesteuergerät auf, welchem die prädiktive Beschleunigung übergeben wird, wobei das Getriebesteuergerät aus der prädiktiven Beschleunigung eine Schaltstrategie ableitet.Preferably The automatic transmission has a transmission control unit, which pass the predictive acceleration is, the transmission control unit from the predictive Acceleration derives a switching strategy.
Vorzugsweise liegt der vorgegebene Zeithorizont in einem Zeitintervall von 100 Millisekunden bis 5 Sekunden, wobei insbesondere der vorgegebene Zeithorizont 500 Millisekunden beträgt.Preferably is the given time horizon in a time interval of 100 Milliseconds to 5 seconds, in particular the predetermined time horizon 500 milliseconds.
Weiter bevorzugt ist, dass der vorgegebene Zeithorizont einstellbar ist, um ein optimales Anpassen der Getriebeschaltstrategie zu erreichen. Insbesondere kann der vorgegebene Zeithorizont eine Funktion der aktuellen Fahrzeuggeschwindigkeit oder der Zielgeschwindigkeit des Fahrzeugs sein.Further it is preferred that the predetermined time horizon is adjustable, to achieve an optimal adaptation of the transmission shift strategy. In particular, the predetermined time horizon may be a function of current vehicle speed or the target speed of the Be a vehicle.
Vorzugsweise berücksichtigt das Getriebesteuergerät ferner den momentanen Beschleunigungswunsch für die Schaltstrategie, d.h. die aktuellen Drehzahl und Momentwerte des Motors.Preferably considered the transmission control unit Furthermore, the current acceleration request for the shift strategy, i. the current speed and torque values of the motor.
Eine erfindungsgemäße Vorrichtung zur Durchführung des oben erläuterten Verfahrens weist ein in einem Kraftfahrzeug angeordnetes ADR-System, ein Automatikgetriebe mit einer Getriebesteuerung und eine Vorrichtung zur Bestimmung einer prädiktiven Beschleunigung an einem vorgegebenen Zeithorizont aus den Daten Zielgeschwindigkeit und Fahrspurbelegung des ADR auf.A inventive device to carry out of the above Method comprises an ADR system arranged in a motor vehicle, an automatic transmission with a transmission control and a device to determine a predictive Acceleration at a given time horizon from the data Target speed and lane occupancy of the ADR.
Durch die Berechnung und Verwendung einer Vorhersage einer "zukünftigen", also prädiktiven Beschleunigung im Automatikgetriebe werden Schaltpendelvorgänge bzw. ein zu spätes Beschleunigen auf die Zielgeschwindigkeit während eines ADR-Betriebs im wesentlichen vermieden.By the calculation and use of a prediction of a "future", ie predictive acceleration In the automatic transmission switching pendulum operations or accelerate too late to the target speed during an ADR operation substantially avoided.
Eine bevorzugte Ausgestaltung der Erfindung wird nachfolgend anhand der einzigen Figur erläutert, welche die Vorrichtung zum Ansteuern eines Automatikgetriebes in Form eines Blockschaltbildes darstellt.A Preferred embodiment of the invention will be described below with reference to the single figure explained, which the device for driving an automatic transmission in Representing the form of a block diagram.
Die
Figur zeigt in der schematischen Form eines Blockdiagramms die erfindungsgemäße Vorrichtung
zum Ansteuern eines Automatikgetriebes eines Kraftfahrzeugs. Das
Kraftfahrzeug weist eine automatische Distanzregelung
Da
dem ADR im Normalfall bekannt ist, auf welche Geschwindigkeit beschleunigt
oder verzögert werden
wird, wird aus den Daten des ADR-Systems
Diese
errechnete prädiktive
Beschleunigung, die sozusagen die zukünftige Beschleunigung an einem
vorgegebenen zukünftigen
Zeithorizont bzw. zu einem vorgegebenen zukünftigen Zeitpunkt darstellt, wird
als zukünftiger
Beschleunigungswunsch an das Getriebesteuergerät
- 11
- ADR-SystemADR system
- 22
- Vorrichtung zum Berechnen der prädiktiven Beschleunigungcontraption to calculate the predictive acceleration
- 33
- Getriebesteuerungtransmission control
- 44
- Automatikgetriebeautomatic transmission
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005048522.7A DE102005048522B4 (en) | 2005-10-07 | 2005-10-07 | Method and device for controlling an automatic transmission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005048522.7A DE102005048522B4 (en) | 2005-10-07 | 2005-10-07 | Method and device for controlling an automatic transmission |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102005048522A1 true DE102005048522A1 (en) | 2007-04-12 |
DE102005048522B4 DE102005048522B4 (en) | 2016-08-04 |
Family
ID=37887057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE102005048522.7A Expired - Fee Related DE102005048522B4 (en) | 2005-10-07 | 2005-10-07 | Method and device for controlling an automatic transmission |
Country Status (1)
Country | Link |
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DE (1) | DE102005048522B4 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014220677A1 (en) * | 2014-10-13 | 2016-04-14 | Continental Automotive Gmbh | Method for operating a charging system of an internal combustion engine and internal combustion engine with a charging system |
DE102015213250A1 (en) * | 2015-07-15 | 2017-01-19 | Robert Bosch Gmbh | A method of operating a vehicle driven by an internal combustion engine as a function of a distance to a preceding vehicle |
CN108093643A (en) * | 2016-09-21 | 2018-05-29 | 罗伯特·博世有限公司 | For being run according to the spacing compared with forward vehicle by the method for oil-engine driven vehicle |
WO2018153718A1 (en) * | 2017-02-27 | 2018-08-30 | Volkswagen Aktiengesellschaft | Method for controlling an automatic transmission |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11794757B2 (en) | 2018-06-11 | 2023-10-24 | Colorado State University Research Foundation | Systems and methods for prediction windows for optimal powertrain control |
Citations (4)
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EP0766024A2 (en) * | 1995-09-29 | 1997-04-02 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Speed change control of automatic transmission in motor vehicles with an electronic control unit |
JPH09249046A (en) * | 1996-03-18 | 1997-09-22 | Honda Motor Co Ltd | Vehicle speed controller |
JP2002087109A (en) * | 2000-09-19 | 2002-03-26 | Nissan Motor Co Ltd | Follow-up running control device for vehicle |
EP1674322A1 (en) * | 1997-12-01 | 2006-06-28 | Hitachi, Ltd. | Vehicle speed control apparatus |
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DE3622447C1 (en) * | 1986-07-04 | 1988-01-28 | Daimler Benz Ag | Device for displaying overtaking recommendations for the driver of a vehicle |
JP3663677B2 (en) * | 1995-07-06 | 2005-06-22 | アイシン・エィ・ダブリュ株式会社 | Control device for automatic transmission for vehicle |
JP3171795B2 (en) * | 1996-09-04 | 2001-06-04 | 株式会社エクォス・リサーチ | Vehicle control device |
DE19931161A1 (en) * | 1999-07-06 | 2001-01-11 | Volkswagen Ag | Distance-sensitive, speed-controlled motor-vehicle road travel method, involves evaluation of predictive data about road conditions |
-
2005
- 2005-10-07 DE DE102005048522.7A patent/DE102005048522B4/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0766024A2 (en) * | 1995-09-29 | 1997-04-02 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Speed change control of automatic transmission in motor vehicles with an electronic control unit |
JPH09249046A (en) * | 1996-03-18 | 1997-09-22 | Honda Motor Co Ltd | Vehicle speed controller |
EP1674322A1 (en) * | 1997-12-01 | 2006-06-28 | Hitachi, Ltd. | Vehicle speed control apparatus |
JP2002087109A (en) * | 2000-09-19 | 2002-03-26 | Nissan Motor Co Ltd | Follow-up running control device for vehicle |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014220677A1 (en) * | 2014-10-13 | 2016-04-14 | Continental Automotive Gmbh | Method for operating a charging system of an internal combustion engine and internal combustion engine with a charging system |
DE102015213250A1 (en) * | 2015-07-15 | 2017-01-19 | Robert Bosch Gmbh | A method of operating a vehicle driven by an internal combustion engine as a function of a distance to a preceding vehicle |
DE102015213250B4 (en) | 2015-07-15 | 2022-03-24 | Robert Bosch Gmbh | Method of operating a vehicle powered by an internal combustion engine as a function of a distance to a vehicle in front |
CN108093643A (en) * | 2016-09-21 | 2018-05-29 | 罗伯特·博世有限公司 | For being run according to the spacing compared with forward vehicle by the method for oil-engine driven vehicle |
CN108093643B (en) * | 2016-09-21 | 2021-07-20 | 罗伯特·博世有限公司 | Method for operating a vehicle driven by an internal combustion engine as a function of distance from a preceding vehicle |
WO2018153718A1 (en) * | 2017-02-27 | 2018-08-30 | Volkswagen Aktiengesellschaft | Method for controlling an automatic transmission |
Also Published As
Publication number | Publication date |
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DE102005048522B4 (en) | 2016-08-04 |
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