DE102007042870B4 - overtaking assistant - Google Patents
overtaking assistant Download PDFInfo
- Publication number
- DE102007042870B4 DE102007042870B4 DE102007042870.9A DE102007042870A DE102007042870B4 DE 102007042870 B4 DE102007042870 B4 DE 102007042870B4 DE 102007042870 A DE102007042870 A DE 102007042870A DE 102007042870 B4 DE102007042870 B4 DE 102007042870B4
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- operating point
- acceleration
- control unit
- assistance system
- changing
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- 230000001133 acceleration Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000002349 favourable effect Effects 0.000 claims description 5
- 230000001419 dependent effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 10
- 238000011161 development Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/10—Introducing corrections for particular operating conditions for acceleration
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
- B60W10/115—Stepped gearings with planetary gears
-
- 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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
- B60W30/1882—Controlling power parameters of the driveline, e.g. determining the required power characterised by the working point of the engine, e.g. by using engine output chart
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- 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
-
- 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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/18—Steering angle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
- F02D2200/602—Pedal position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/702—Road conditions
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
- Control Of Transmission Device (AREA)
Abstract
Überholassistenzsystem für ein Kraftfahrzeug umfassend wenigstens eine Sensoreinheit (A) und eine Steuereinheit (B), wobei beim Erkennen eines Beschleunigungsbedarfes durch die Sensoreinheit (A) die Steuereinheit (B) vorsorglich das Antriebsaggregat (C) auf einen für diesen Beschleunigungsbedarf optimierten Betriebspunkt einstellt, dadurch gekennzeichnet, dass der optimale Betriebspunkt dem Fahrer optisch, haptisch oder akustisch mitgeteilt wird und die Steuereinheit (B) den optimalen Betriebspunkt einstellt ohne Änderung der Gaspedalstellung.Overtaking assistance system for a motor vehicle comprising at least one sensor unit (A) and one control unit (B), wherein when the sensor unit (A) detects a need for acceleration, the control unit (B) as a precaution sets the drive unit (C) to an operating point optimized for this need for acceleration, characterized characterized in that the optimal operating point is communicated to the driver optically, haptically or acoustically and the control unit (B) sets the optimal operating point without changing the accelerator pedal position.
Description
Die Erfindung betrifft ein Fahrerassistenzsystem mit wenigstens einer Steuereinheit und wenigstens einer Sensoreinheit. Um beim Führen eines Fahrzeugs gefährliche Situationen beherrschen zu können ist es wichtig, dass von dem Fahrzeug umgehend die von dem Fahrer benötigten Leistungsreserven diesem zur Verfügung gestellt werden.The invention relates to a driver assistance system with at least one control unit and at least one sensor unit. In order to be able to control dangerous situations when driving a vehicle, it is important for the vehicle to immediately make the power reserves required by the driver available to him.
Aus der
Aus der
In der
Die
In der
Die
Bei den bekannten Verfahren ist nachteilig, dass bei diesen erst auf einen eingetretenen Zustand wie Betätigung des Gaspedals oder Lenken aus der Kurve ein für diesen Zustand günstiger Betriebspunkt eingestellt wird.The disadvantage of the known methods is that an operating point that is favorable for this state is only set when a state has occurred, such as actuation of the gas pedal or steering out of a curve.
Die Erfindung geht daher von einem Verfahren der sich aus dem Oberbegriff des Anspruchs 1 ergebenen Gattung aus und hat sich zur Aufgabe gestellt, das Antriebsaggregat vorausschauend auf einen mit großer Wahrscheinlichkeit zu erwartenden Leistungsbedarf entsprechenden Betriebspunkt einzustellen.The invention is therefore based on a method of the generic type resulting from the preamble of claim 1 and has set itself the task of setting the drive unit in advance to an operating point that corresponds with a high probability of the power requirement to be expected.
Die Aufgabe wird durch die sich aus dem kennzeichnenden Teil des Anspruchs 1 ergebende Merkmalskombination gelöst.The object is achieved by the combination of features resulting from the characterizing part of claim 1.
Die Erfindung besteht im Wesentlichen darin, dass eine Sensoreinheit vorgesehen ist, die auf ein oder mehrere Eingangssignale reagiert welche insbesondere in ihrer Kombination auf einen Leistungsbedarf, insbesondere Beschleunigungsbedarf für den Fahrer hindeuten und dementsprechend über eine Steuereinheit vorsorglich das Antriebsaggregat auf einen für diesen Beschleunigungsbedarf optimierten Betriebspunkt einstellt. Auf diese Weise wird vorsorglich sichergestellt, dass im Bedarfsfall eine vorsorglich benötigte Leistung unmittelbar zur Verfügung steht. Dies trägt in erheblichem Maße zur Sicherheit bei der Führung eines Fahrzeuges bei.The invention essentially consists in the fact that a sensor unit is provided, which reacts to one or more input signals which, in particular in their combination, indicate a power requirement, in particular an acceleration requirement for the driver, and accordingly, via a control unit, as a precaution, the drive unit to an operating point optimized for this acceleration requirement adjusts In this way, it is ensured as a precautionary measure that, if necessary, a service required as a precautionary measure is immediately available. This makes a significant contribution to safety when driving a vehicle.
Ein wesentlicher Leistungsbedarf besteht z.B. wenn ein Überholvorgang zu erwarten ist. In diesem Falle empfiehlt sich besonders in Weiterbildung der Erfindung die Anwendung der Merkmale nach Anspruch 2.There is a significant power requirement, for example, if an overtaking maneuver is to be expected. In this case, the application of the features according to claim 2 is particularly recommended in a further development of the invention.
In einer derartigen Weiterbildung der Erfindung kann der zu erwartende Überholvorgang durch Einsatz eines richtungsabhängigen Zeichens und / oder eines entsprechenden Lenkeinschlages des Fahrers signalisiert werden. Vorteilhaft erkennt das Assistenzsystem kamerabasiert den Überholwunsch des Fahrers und / oder detektiert eine mögliche Überholsituation aufgrund einer freien Gegenfahrbahn und dem Abstand zum vorausfahrenden Fahrzeug mittels geeigneter Sensoren. Dabei ist besonders fortschrittlich, dass eine Kombination mehrerer Eingangsgrößen die Wahrscheinlichkeit eines künftigen Leistungsbedarfes erhöht.In such a development of the invention, the overtaking maneuver to be expected can be signaled by using a direction-dependent sign and/or a corresponding steering angle of the driver. Advantageously, the camera-based assistance system recognizes the driver's desire to overtake and/or detects a possible overtaking situation based on a clear oncoming lane and the distance to the vehicle driving ahead by means of suitable sensors. It is particularly advanced that a combination of several input variables increases the probability of a future power requirement.
Weiterhin ist ein benötigter Leistungsbedarf für die Beschleunigung notwendig, wenn ein Fahrzeug aus einer Kurve herausfährt, was erfindungsgemäß aufgrund eines entsprechenden Gierwinkels und / oder des Lenkeinschlages und / oder des festgestellten vorausliegenden Strassenverlaufes erkannt wird. Der vorausliegende Strassenverlauf kann beispielsweise durch ein Kamerasystem und / oder ein Navigationssystem welches beispielsweise mit GPS funktioniert, erkannt werden.Furthermore, a required power requirement for acceleration is necessary when a vehicle drives out of a curve, which is recognized according to the invention on the basis of a corresponding yaw angle and/or the steering angle and/or the determined course of the road ahead. The course of the road ahead can be recognized, for example, by a camera system and/or a navigation system which works with GPS, for example.
Das Antriebsaggregat kann aus einer Einheit von Motor und Getriebe gebildet sein, wobei nach Anspruch 3 das Getriebe ein Automatikgetriebe sein kann.The drive assembly can be formed from a unit of engine and transmission, wherein according to claim 3 the transmission can be an automatic transmission.
Um zu vermeiden, dass der Fahrer durch Bereitstellung eines optimalen Betriebspunktes des Automatikgetriebes durch diesen irritiert und gestört wird, empfiehlt sich die Weiterbildung der Erfindung durch Anwendung der Merkmale nach Anspruch 4. Nach detektierter Situation wird in einem Automatikgetriebe der optimale Betriebspunkt über die Steuereinheit für den Vorgang eingestellt, wobei der Fahrer mit konstanter Geschwindigkeit weiterfährt ohne Änderung der Gaspedalstellung.In order to avoid the driver being irritated and disturbed by the provision of an optimal operating point of the automatic transmission, the further development of the invention is recommended by applying the features according to claim 4. After the situation has been detected in an automatic transmission, the optimal operating point is determined via the control unit for the Process set whereby the driver continues driving at a constant speed without changing the position of the accelerator pedal.
Um zu vermeiden, dass der Fahrer durch Bereitstellung eines optimalen Betriebspunktes des Motors durch diesen irritiert und gestört wird, empfiehlt sich die Weiterbildung der Erfindung durch Anwendung der Merkmale nach Anspruch 5. Vorteilhaft ist es demnach, wenn als Ausgestaltung der Erfindung die Steuereinheit den optimalen Betriebspunkt für den Beschleunigungsbedarf am Motor einstellt ohne Änderung der Fahrzeuggeschwindigkeit und / oder ohne Änderung der Gaspedalstellung.In order to avoid the driver being irritated and disturbed by the provision of an optimal operating point of the engine, the development of the invention is recommended by applying the features according to claim 5. It is therefore advantageous if, as an embodiment of the invention, the control unit provides the optimal operating point for the acceleration demand on the engine without changing the vehicle speed and/or without changing the accelerator pedal position.
Weiterhin bevorzugt ist wenn die Steuereinheit den optimalen Betriebspunkt am Motor und am Automatikgetriebe einstellt. Hierdurch lässt sich zum einen eine noch höhere Leistung bereit stellen. Zum anderen ergibt sich die Möglichkeit bei gleicher Leistungsbereitstellung, das Getriebe nicht übermäßig beanspruchen zu müssen.It is also preferred if the control unit sets the optimum operating point on the engine and on the automatic transmission. On the one hand, this makes it possible to provide an even higher performance. On the other hand, there is the possibility of not having to put excessive strain on the transmission while providing the same power.
Um zu verhindern, dass der Fahrer durch entsprechende Maßnahmen den bereits eingestellten günstigsten Betriebspunkt zu einem ungünstigeren Betriebspunkt verschiebt, empfiehlt sich die Anwendung der Merkmale nach Anspruch 7. Möchte der Fahrer beispielsweise das Getriebe beim Herausfahren aus einer Kurve herunterschalten, obwohl das Antriebsaggregat sich bereits in seinem günstigsten Betriebspunkt befindet, wird diese Maßnahme vom Fahrzeug nicht umgesetzt. Um den Fahrer über die erfolgte Einstellung des optimalen Betriebspunktes zu informieren, wird dem Fahrer erfindungsgemäß der optimale Betriebspunkt optisch, haptisch oder akustisch mitgeteilt. Auf diese Weise ist der Fahrer bereits informiert, dass durch seine Maßnahmen der Betriebspunkt nur noch verschlechtert werden kann.In order to prevent the driver from using appropriate measures to shift the already set most favorable operating point to a less favorable operating point, the use of the features according to claim 7 is recommended. For example, if the driver wants to downshift the transmission when exiting a curve, although the drive unit is already is at its most favorable operating point, this measure is not implemented by the vehicle. In order to inform the driver that the optimal operating point has been set, according to the invention the optimal operating point is communicated to the driver optically, haptically or acoustically. In this way, the driver is already informed that his actions can only worsen the operating point.
In einer Weiterbildung nach Anspruch 8 kann der Leistungsbedarf auch einem Antriebsaggregat mit Schaltgetriebe durch die Steuereinheit zur Verfügung gestellt werden, indem beispielsweise die Motorkennlinie verändert wird, ohne Änderung der Fahrzeuggeschwindigkeit und / oder ohne Änderung der Gaspedalstellung.In a development according to claim 8, the power requirement can also be made available to a drive unit with manual transmission by the control unit, for example by changing the engine characteristic without changing the vehicle speed and/or without changing the accelerator pedal position.
Wenn der Fahrer den Leistungsbedarf nicht benötigt, weil er z.B. nicht überholen möchte, so kann er durch kurzzeitiges Entlasten des Gaspedals und / oder durch Betätigen einer anderen Vorrichtung wie beispielsweise eines Knopfes dem Steuergerät mitteilen, dass der Betriebspunkt vor der Leistungsbereitstellung (voriger Betriebspunkt) durch die Steuereinheit wieder eingestellt werden soll. Dabei bleibt die Fahrzeuggeschwindigkeit konstant und / oder ohne Änderung des Gaspedals. Auf diese Weise ist es dem Fahrer möglich die selbstständige Einstellung des Betriebspunktes zu überwinden und er behält somit im Bedarfsfall die volle Kontrolle über das Fahrzeug.If the driver does not need the power requirement, e.g. because he does not want to overtake, he can inform the control unit by briefly releasing the accelerator pedal and/or by pressing another device such as a button that the operating point before the power supply (previous operating point) has passed the control unit is to be reset. The vehicle speed remains constant and/or without changing the accelerator pedal. In this way it is possible for the driver to overcome the need to set the operating point independently and thus retain full control of the vehicle if necessary.
Andere vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen.Other advantageous developments of the invention result from the dependent claims.
Ein bevorzugtes Ausführungsbeispiel ist in
BezugszeichenlisteReference List
- AA
- Sensoreinheitsensor unit
- BB
- Steuereinheitcontrol unit
- CC
- Antriebsaggregatdrive unit
- DD
- Motorengine
- EE
- Getriebe; beispielhaft als AutomatikgetriebeTransmission; example as an automatic transmission
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE102007042870.9A DE102007042870B4 (en) | 2007-09-08 | 2007-09-08 | overtaking assistant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102007042870.9A DE102007042870B4 (en) | 2007-09-08 | 2007-09-08 | overtaking assistant |
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DE102007042870A1 DE102007042870A1 (en) | 2009-03-12 |
DE102007042870B4 true DE102007042870B4 (en) | 2023-01-26 |
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DE102007042870.9A Active DE102007042870B4 (en) | 2007-09-08 | 2007-09-08 | overtaking assistant |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102010038043A1 (en) | 2010-10-07 | 2012-04-12 | Vorwerk & Co. Interholding Gmbh | Suction nozzle for suction port at cleaning aggregate, particularly vacuum cleaner, particularly electric motor driven vacuum cleaner, comprises handle portion and longitudinal axis having flow channel, particularly suction channel |
DE102014215671A1 (en) * | 2014-08-07 | 2016-02-11 | Bayerische Motoren Werke Aktiengesellschaft | Driver assistance system in a motor vehicle |
DE102016215565A1 (en) * | 2016-08-19 | 2018-02-22 | Continental Automotive Gmbh | Driver assistance system for overtaking |
WO2022268289A1 (en) | 2021-06-21 | 2022-12-29 | Cariad Se | Method for controlling a longitudinal motion of a motor vehicle in a process of changing lanes, computer program product, computer-readable storage medium, control module, and motor vehicle |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3341652A1 (en) | 1983-11-18 | 1985-06-05 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | METHOD AND DEVICE FOR CONTROLLING A CLUTCH GEAR UNIT |
EP0989012A2 (en) | 1998-09-22 | 2000-03-29 | Volkswagen Aktiengesellschaft | Method for cruise control and/or regulation of vehicle spacing |
DE10321519A1 (en) | 2003-05-14 | 2004-12-02 | Volkswagen Ag | Gearbox gear selection in motor vehicle involves indicating optimal gear selection suggestions for economical gear selection, selection for maximum acceleration at start of/during overtaking maneuver |
DE102005007127A1 (en) | 2004-05-12 | 2005-12-08 | Zf Friedrichshafen Ag | Method for operating of drive train of motor vehicle equipped with continuously variable transmission entails providing increased engine RPM when travelling on winding roads or hairpin bends without additional adaptive functions |
DE19630156B4 (en) | 1996-07-26 | 2006-07-27 | Zf Friedrichshafen Ag | Control of an automatically switching transmission or a continuously variable transmission |
DE102005055322A1 (en) | 2005-11-21 | 2007-05-24 | Bayerische Motoren Werke Ag | Motor vehicle`s desired acceleration determining method, involves determining desired acceleration based on actual determined vehicle operating parameter, where desired acceleration is determined additionally based on navigation system data |
DE102007009043A1 (en) | 2006-03-01 | 2007-09-06 | Toyota Jidosha Kabushiki Kaisha, Toyota | Vehicle control device and method |
-
2007
- 2007-09-08 DE DE102007042870.9A patent/DE102007042870B4/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3341652A1 (en) | 1983-11-18 | 1985-06-05 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | METHOD AND DEVICE FOR CONTROLLING A CLUTCH GEAR UNIT |
DE19630156B4 (en) | 1996-07-26 | 2006-07-27 | Zf Friedrichshafen Ag | Control of an automatically switching transmission or a continuously variable transmission |
EP0989012A2 (en) | 1998-09-22 | 2000-03-29 | Volkswagen Aktiengesellschaft | Method for cruise control and/or regulation of vehicle spacing |
DE10321519A1 (en) | 2003-05-14 | 2004-12-02 | Volkswagen Ag | Gearbox gear selection in motor vehicle involves indicating optimal gear selection suggestions for economical gear selection, selection for maximum acceleration at start of/during overtaking maneuver |
DE102005007127A1 (en) | 2004-05-12 | 2005-12-08 | Zf Friedrichshafen Ag | Method for operating of drive train of motor vehicle equipped with continuously variable transmission entails providing increased engine RPM when travelling on winding roads or hairpin bends without additional adaptive functions |
DE102005055322A1 (en) | 2005-11-21 | 2007-05-24 | Bayerische Motoren Werke Ag | Motor vehicle`s desired acceleration determining method, involves determining desired acceleration based on actual determined vehicle operating parameter, where desired acceleration is determined additionally based on navigation system data |
DE102007009043A1 (en) | 2006-03-01 | 2007-09-06 | Toyota Jidosha Kabushiki Kaisha, Toyota | Vehicle control device and method |
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