WO2008028821A1 - Circulation prévoyante avec acc - Google Patents

Circulation prévoyante avec acc Download PDF

Info

Publication number
WO2008028821A1
WO2008028821A1 PCT/EP2007/058768 EP2007058768W WO2008028821A1 WO 2008028821 A1 WO2008028821 A1 WO 2008028821A1 EP 2007058768 W EP2007058768 W EP 2007058768W WO 2008028821 A1 WO2008028821 A1 WO 2008028821A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
speed
following vehicle
following
acc
Prior art date
Application number
PCT/EP2007/058768
Other languages
German (de)
English (en)
Inventor
Martin Körber
Original Assignee
Zf Friedrichshafen Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zf Friedrichshafen Ag filed Critical Zf Friedrichshafen Ag
Publication of WO2008028821A1 publication Critical patent/WO2008028821A1/fr

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
    • 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
    • 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
    • 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
    • B60W30/14—Adaptive cruise control
    • B60W30/16—Control of distance between vehicles, e.g. keeping a distance to preceding vehicle
    • 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
    • B60W30/14—Adaptive cruise control
    • B60W30/16—Control of distance between vehicles, e.g. keeping a distance to preceding vehicle
    • B60W30/17—Control of distance between vehicles, e.g. keeping a distance to preceding vehicle with provision for special action when the preceding vehicle comes to a halt, e.g. stop and go
    • 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
    • B60W2554/00—Input parameters relating to objects
    • B60W2554/40—Dynamic objects, e.g. animals, windblown objects
    • B60W2554/404—Characteristics
    • B60W2554/4041—Position
    • 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
    • B60W2554/00—Input parameters relating to objects
    • B60W2554/40—Dynamic objects, e.g. animals, windblown objects
    • B60W2554/404—Characteristics
    • B60W2554/4042—Longitudinal speed
    • 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
    • B60W2554/00—Input parameters relating to objects
    • B60W2554/80—Spatial relation or speed relative to objects
    • B60W2554/804—Relative longitudinal speed
    • 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
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems
    • 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
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/84—Data processing systems or methods, management, administration

Definitions

  • the invention relates to a method for influencing the gear selection of a vehicle with ACC system, in particular a motor vehicle with automated switching system, according to the closer defined in the preamble of claim 1.
  • ACC Adaptive Cruise Control
  • ACC Adaptive Cruise Control
  • ACC systems are based on a cruise control system. The difference is that as soon as a vehicle equipped with an ACC system retrieves a vehicle in front, the vehicle is automatically braked by the ACC system, thus maintaining a driver-defined distance to the vehicle in front. As soon as there is no vehicle ahead in the measuring range, the ACC system automatically accelerates the vehicle back to the selected speed.
  • ACC systems are designed as a comfort system. Vehicles equipped with ACC systems are much safer and many a rear-end collision can be prevented by an ACC system.
  • the strength of the acceleration and the braking intervention are deliberately limited. The driver must therefore remain alert in all situations, despite the assistance of ACC. He is always responsible for theharitechnologyu ⁇ g and should adapt his driving style, for example, the current weather conditions. decisions He still has to hit himself over steering maneuvers or heavy braking. The driver's request always has priority over the automatic control. Pressing the accelerator pedal accelerates the vehicle as usual. If you take your foot off the accelerator pedal, the ACC system regulates the driving speed again. A short tap on the brake pedal or the ACC control unit makes it easy to switch off the ACC system.
  • DE 101 15 052 A1 discloses a method and a device for setting a ratio of a transmission installed in the drive train of a motor vehicle during the activation of an ACC system.
  • To determine the transmission ratio either an inverse accelerator pedal angle or a limited inverse accelerator pedal angle as well as the vehicle longitudinal speed are used as input variables in a characteristic.
  • the question of whether the inverse accelerator angle or the restricted inverse accelerator angle is used is decided by a first comparison of the requested torque with a first threshold value and a second comparison of the actual torque with a second threshold value.
  • the switching characteristic depends on the result of the determination of the operating condition.
  • DE 102 27 719 B3 discloses a method and an apparatus for performing circuits of a transmission with activated ACC system.
  • An acceleration setpoint provided by an active ACC controller is converted by an engine control unit into an accelerator pedal equivalent value.
  • An accelerator pedal equivalent value and supplied by the active ACC controller Bescheiunigungssolllitiss from a stored in a control module Kennheid a labor value is determined on the basis of circuits are performed.
  • ACC systems aim to meet specified acceleration or deceleration requirements with the lowest possible control deviations. to deliver. Accordingly, an ACC system requests engine torque from engine management to match the actual speed with the desired speed as much as possible.
  • the present invention has for its object to present a method for influencing the gear selection of a vehicle with ACC system, with which a higher ride comfort can be achieved than with previously known methods
  • the vehicle is decelerated.
  • multiple recirculations are performed until the tractor's speed is reached.
  • the differential speed between the preceding vehicle and the following vehicle is negative, and in the following vehicle, the speed of the preceding vehicle determined via the ACC system is set as the maximum speed. Then, in the deceleration of the following vehicle, the optimum gear for the onward travel can be selected, thereby reducing the number of downshifts and increasing the ride comfort.
  • the driving situation change of a preceding vehicle is detected via the ACC system. If the speed of the preceding vehicle increases again, which means that the differential speed between the preceding vehicle and the following vehicle decreases, it is not absolutely necessary to switch back, but the current gear can be kept, thus avoiding switching and thus increasing ride comfort becomes.
  • a constant travel is often detected too late.
  • a constant travel can be determined in a shorter time, If it is detected via the ACC system that there is a constant travel, ie the differential speed between the vehicle ahead and the following vehicle is equal to zero and constant, an upshift is executed in the following vehicle.
  • a low engine speed can be achieved and fuel consumption can be reduced.
  • FIGURE of this drawing shows a schematic representation of two vehicles 1, 2 moving one behind the other.
  • the following vehicle 2 is equipped with an already known from the prior art ACC system, which has, for example, a radar sensor.
  • the speed of the following vehicle 2 can be determined in a known manner via wheel sensors.
  • the speed of the preceding vehicle 1 is made available by means of the ACC system via a data bus, for example the CAN bus, and the speed of the preceding vehicle 1 is compared with the speed of the following vehicle 2 and a Differential speed determined.
  • the gear speed of the following vehicle 2 is influenced by the determined differential speed of the vehicles 1, 2 and by the driving situation of the preceding vehicle 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Controls For Constant Speed Travelling (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)

Abstract

L'invention concerne un procédé d'influence de la sélection de la vitesse d'un véhicule (2) suivant, notamment d'un véhicule automobile avec un système de changement de vitesse automatisé, un système ACC du véhicule suivant (2) mettant à disposition par le biais d'un bus de données, par exemple le bus CAN, entre autres la distance par rapport au véhicule (1) circulant devant, et la vitesse du véhicule circulant devant (1) étant comparée à la vitesse du véhicule (2) suivant et une vitesse différentielle étant déterminée. La sélection de la vitesse du véhicule (2) suivant est influencée par la vitesse différentielle déterminée des véhicules (1, 2) et par la situation de circulation du véhicule (1) circulant devant.
PCT/EP2007/058768 2006-09-09 2007-08-23 Circulation prévoyante avec acc WO2008028821A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006042419.0 2006-09-09
DE102006042419A DE102006042419A1 (de) 2006-09-09 2006-09-09 Vorausschauendes Fahren mit ACC

Publications (1)

Publication Number Publication Date
WO2008028821A1 true WO2008028821A1 (fr) 2008-03-13

Family

ID=38669208

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/058768 WO2008028821A1 (fr) 2006-09-09 2007-08-23 Circulation prévoyante avec acc

Country Status (2)

Country Link
DE (1) DE102006042419A1 (fr)
WO (1) WO2008028821A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015047175A1 (fr) * 2013-09-30 2015-04-02 Scania Cv Ab Procédé et système destinés à une stratégie de conduite commune pour des groupes de véhicules
WO2015048980A1 (fr) * 2013-10-02 2015-04-09 Volvo Truck Corporation Procédé et agencement permettant d'adapter le rapport de démarrage d'un véhicule
FR3046975A1 (fr) * 2016-01-27 2017-07-28 Peugeot Citroen Automobiles Sa Procede et dispositif de controle du rapport engage dans une boite de vitesses robotisee d’un vehicule a fonction de regulation de vitesse adaptative

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013219890A1 (de) * 2013-10-01 2015-04-02 Bayerische Motoren Werke Aktiengesellschaft Vermeidung von Kollisionen mit Geisterfahrern
JP6493366B2 (ja) * 2016-11-18 2019-04-03 トヨタ自動車株式会社 車両制御装置
JP2019026149A (ja) 2017-08-01 2019-02-21 トヨタ自動車株式会社 車両の自動運転制御装置
DE102018207804A1 (de) * 2018-05-17 2019-11-21 Bayerische Motoren Werke Aktiengesellschaft Durchfahren und Verlassen eines Kreisverkehrs im automatischen Längsführungsbetrieb
DE102020200490A1 (de) 2020-01-16 2021-07-22 Volkswagen Aktiengesellschaft Verfahren zur Beeinflussung eines Betriebszustands eines Antriebsstrangs eines Hybridfahrzeugs, sowie Antriebsstrangmanagementsystem

Citations (3)

* Cited by examiner, † Cited by third party
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US6188950B1 (en) * 1997-10-27 2001-02-13 Nissan Motor Co., Ltd. System and method for controlling inter-vehicle distance to preceding vehicle for automotive vehicle equipped with the system and method
US20030093210A1 (en) * 2001-11-15 2003-05-15 Toshiyuki Kondo Travel control apparatus of vehicle
DE10227719B3 (de) * 2002-06-21 2004-01-29 Audi Ag Verfahren und Vorrichtung zur Beeinflussung der Betriebscharakteristik von Schaltungen eines Getriebes im ACC-Betrieb

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DE19523111A1 (de) * 1995-06-26 1997-01-02 Daimler Benz Ag Einrichtung zur Regelung des Abstandes eines Kraftfahrzeuges zu einem vorausfahrenden Fahrzeug
DE19843395A1 (de) * 1998-09-22 2000-03-23 Volkswagen Ag Verfahren zur Geschwindigkeits- und/oder Abstandsregelung bei Kraftfahrzeugen
WO2001079016A1 (fr) * 2000-04-17 2001-10-25 Robert Bosch Gmbh Procede et dispositif permettant de regler un rapport de transmission dans une automobile, au moyen d'un regulateur de vitesse adaptatif

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6188950B1 (en) * 1997-10-27 2001-02-13 Nissan Motor Co., Ltd. System and method for controlling inter-vehicle distance to preceding vehicle for automotive vehicle equipped with the system and method
US20030093210A1 (en) * 2001-11-15 2003-05-15 Toshiyuki Kondo Travel control apparatus of vehicle
DE10227719B3 (de) * 2002-06-21 2004-01-29 Audi Ag Verfahren und Vorrichtung zur Beeinflussung der Betriebscharakteristik von Schaltungen eines Getriebes im ACC-Betrieb

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015047175A1 (fr) * 2013-09-30 2015-04-02 Scania Cv Ab Procédé et système destinés à une stratégie de conduite commune pour des groupes de véhicules
WO2015048980A1 (fr) * 2013-10-02 2015-04-09 Volvo Truck Corporation Procédé et agencement permettant d'adapter le rapport de démarrage d'un véhicule
CN105659002A (zh) * 2013-10-02 2016-06-08 沃尔沃卡车集团 用于调整车辆起动档位的方法和设备
US10077049B2 (en) 2013-10-02 2018-09-18 Volvo Truck Corporation Method and arrangement for adapting the starting gear of a vehicle
CN105659002B (zh) * 2013-10-02 2018-12-25 沃尔沃卡车集团 用于调整车辆起动档位的方法和设备
FR3046975A1 (fr) * 2016-01-27 2017-07-28 Peugeot Citroen Automobiles Sa Procede et dispositif de controle du rapport engage dans une boite de vitesses robotisee d’un vehicule a fonction de regulation de vitesse adaptative
WO2017129875A1 (fr) * 2016-01-27 2017-08-03 Peugeot Citroen Automobiles Sa Procédé et dispositif de contrôle du rapport engagé dans une boîte de vitesses robotisée d'un véhicule à fonction de régulation de vitesse adaptative

Also Published As

Publication number Publication date
DE102006042419A1 (de) 2008-03-27

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