WO2016062380A1 - Procédé permettant de faire fonctionner une installation de régulation de la vitesse - Google Patents

Procédé permettant de faire fonctionner une installation de régulation de la vitesse Download PDF

Info

Publication number
WO2016062380A1
WO2016062380A1 PCT/EP2015/001998 EP2015001998W WO2016062380A1 WO 2016062380 A1 WO2016062380 A1 WO 2016062380A1 EP 2015001998 W EP2015001998 W EP 2015001998W WO 2016062380 A1 WO2016062380 A1 WO 2016062380A1
Authority
WO
WIPO (PCT)
Prior art keywords
speed
operating method
accelerator pedal
brake pedal
cruise control
Prior art date
Application number
PCT/EP2015/001998
Other languages
German (de)
English (en)
Inventor
Tobias Attensperger
Christian SCHÖNHUBER
Original Assignee
Audi 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 Audi Ag filed Critical Audi Ag
Publication of WO2016062380A1 publication Critical patent/WO2016062380A1/fr

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Classifications

    • 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
    • B60W30/143—Speed control
    • 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
    • B60W2540/10—Accelerator pedal 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
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/10—Accelerator pedal position
    • B60W2540/103—Accelerator thresholds, e.g. kickdown
    • 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
    • B60W2540/12—Brake pedal position

Definitions

  • the invention relates to an operating method for a cruise control system of a motor vehicle, in which a predefinable setpoint speed is controlled by an intervention in the control of a drive motor and / or a brake system.
  • Automobile speed control systems are designed so that the driver first accelerates or decelerates the vehicle to the desired speed and then switches on the cruise control system by means of an operating procedure.
  • the current driving speed is stored as a target speed and by engaging in the control of the drive motor, possibly also the brake system, the speed of the motor vehicle is controlled so that the setpoint predetermined by the driver speed is maintained.
  • a conventional cruise control system z. B. be provided on the steering wheel mounted control lever, which is at least biaxially operable to turn on the cruise control system or off and to increase or decrease the predetermined target speed.
  • a switch or button may be provided by the actuation of the current speed can be set as the new target speed.
  • a switch or pushbutton mounted in or on the steering wheel can also be used as the operating element.
  • the automatic cruise control z. B. are turned off by pressing the brake pedal. Similarly, an operation of the accelerator pedal by the driver causes the cruise control system off is then controlled so that the driving speed is then controlled by operator commands such as accelerating or braking.
  • the driver must operate the additional control element, for example, the lever mounted on the steering wheel or an additional switch or a button, as well as he must at least briefly a view of a mounted in or on the steering wheel control Turn from the road to adjust the steering wheel. To perform these operations correctly, therefore, a certain exercise of the driver is required.
  • the driver must constantly readjust the set speed by operating the lever on the steering wheel or the corresponding switch or button. The driver must therefore focus his attention permanently or at least at short intervals on the correct operation of the cruise control system, so that this driver assistance system does not really relieve the driver.
  • this operation is regarded as an operating input for increasing and decreasing the speed and implemented by the cruise control system by a corresponding control of the drive motor or the brake system until the new desired by the driver Target speed is reached.
  • this cruise control system can only be switched on if the driver succeeds in maintaining the desired setpoint speed for a set period of time. Frequently, however, there are traffic situations where this is difficult for different reasons. Examples of this are preceding road users or driving on a lane having a longitudinal inclination. In these cases, it is necessary to adjust the accelerator pedal position accordingly, so that it is difficult to meet the criterion for switching on the cruise control system.
  • the invention is therefore based on the object to provide an operating method for a cruise control system, which allows easier activation.
  • the operating method according to the invention is an improvement of the method known from DE 101 45 915 A1.
  • This method has the disadvantage that the cruise control system can only be switched on there "indirectly" by the driver.
  • the method is intended to detect operations performed by the driver, in particular the operation of the accelerator pedal and / or the brake pedal, during a certain period of time and Only after this has passed Period and after evaluating the operations performed or the speed traveled, it is determined whether the driver wants to change the currently set speed by increasing or decreasing.
  • the invention overcomes this disadvantage in that when the cruise control system is switched on, that is, when the operating method is activated, the release of the accelerator pedal or, alternatively, the brake pedal is understood as an operator input.
  • the current speed of the motor vehicle is set as the target speed for the cruise control, this control is then carried out automatically by the cruise control system.
  • a thereby resulting lower instantaneous speed is set immediately after releasing the brake pedal as a new target speed for the cruise control.
  • the driver can thus cause a change in the driving speed by operating the brake pedal during operation of the cruise control system. He presses the brake pedal until the desired new target speed is reached. Immediately after releasing the brake pedal, this instantaneous speed is set as the new target speed.
  • the switching on or off can be done by pressing a button or a switch, as well as a voice input can alternatively be provided.
  • Embodiments are also conceivable in which the input is made by actuating a touch screen. Accordingly, only for the switching on or off of the operating method according to the invention, which can be regarded as the operating mode of the cruise control system, a special operator input of the driver is required, for. B. a manual operation of a switch or a button. After the operating method according to the invention has been activated or turned on in this way, however, no further manual inputs are required, these are done exclusively by pressing the accelerator pedal or the brake pedal.
  • turning off the operating method of the present invention may be accomplished by the operation of a switch, button or lever or a touch screen.
  • an actuation of a kick-down switch of an automatic transmission is interpreted as an operating command for switching off the method according to the invention.
  • the existing on vehicles with automatic transmission kick-down switch is switched when the accelerator pedal operation, if this is fully or at least almost completely pressed and is in a full throttle position. This control intervention undertaken by the driver is understood as a command for switching off the operating method according to the invention.
  • the operating method according to the invention can be switched off when the driver actuates the brake pedal so strongly that a defined deceleration threshold value is exceeded.
  • a further development of the operating method according to the invention provides that a plurality of desired speeds can be defined, one of each of which is selected by an operation.
  • the selection of a specific set target speed is preferably carried out by a manual operator input.
  • the operating method according to the invention can also be used in the context of an ACC system (Automatic Cruise Control).
  • ACC system Automatic Cruise Control
  • a further development of the invention provides that, when the set speed is set, a "dynamic" given by the driver is also taken into account, for example the speed of the operation of the gas pedal or of the brake pedal, ie a so-called brake stroke, can be taken into account as a quantitative variable If the driver steps the accelerator pedal at high speed, the current speed of the vehicle, which is set as the target speed, can be increased by a correction value, so it is not necessary for the driver of the vehicle to accelerate to a desired speed, instead he can cause a high speed of operation of the accelerator pedal, a correction value is added to the instantaneous speed of the motor vehicle with release of the accelerator pedal Accordingly, in the operating method according to the invention can be provided with a forward displacement mode, in the Festle the speed of operation of the accelerator pedal or the brake pedal is taken into account by setting the accelerator pedal or the brake pedal at a high actuation speed of the accelerator pedal and increasing the setpoint speed at a high actuation speed of the brake pedal.
  • a development of the operating method according to the invention provides that the mode with anticipatory adjustment by pressing an operating element is turned on or off.
  • the control can be a switch, a button or a lever mounted on the steering wheel, as well as an operation by voice control is possible.
  • the advanced-advance mode is on, the dynamics of a pedal operation by the driver are taken into account, respectively, so that when the accelerator pedal is depressed, the instantaneous accelerator-release speed is increased by a correction amount.
  • the instantaneous speed is reduced by one correction value, and this reduced value then serves as the desired speed for the cruise control.
  • the accelerator pedal and / or the brake pedal are decoupled.
  • FIG. 1 shows the essential components of a cruise control system, which is suitable for carrying out the operating method according to the invention.
  • Fig. 2 is a flow chart showing the essential steps of the operating method according to the invention.
  • the speed control system 1 shown in FIG. 1 is part of a motor vehicle 2, which is shown only partially in FIG. 1.
  • the speed control system 1 is designed to regulate a predefinable setpoint speed, for this purpose it has a control device 3, which is connected to a drive motor 4 and controls it, in particular by controlling the speed that the predetermined setpoint speed is maintained.
  • the control of the drive motor also includes the control of an automatic transmission connected thereto, so that the cruise control system 1 can also initiate shifting operations of the automatic transmission.
  • the cruise control system 1 is connected to a brake system 5, shown schematically, so that by a control of the brake system 5, a predetermined target speed can be maintained, for example, in a downhill.
  • the cruise control system 1 can be influenced by a driver by actuating a brake pedal 6 or an accelerator pedal 7.
  • a switch 8 is integrated in a steering wheel 9. In this embodiment, the switch 8 is used for switching on and off the cruise control system. 1
  • Fig. 2 is a flow chart showing the essential steps of the method of operation.
  • the operating method requires activation or turning on by the driver. Serves the mounted on the steering wheel 9 switch 8, only after its operation, the cruise control system 1 is activated and carried out the associated operating method.
  • step 10 it is checked in step 10 whether the input element designed as a switch 8 has been actuated. Only after an actuation takes place in step 11, the activation of the cruise control system 1, otherwise it is branched back to the beginning again.
  • the operating method for the cruise control system is designed so that the driver selects a desired target speed by accelerating or decelerating the motor vehicle 1.
  • step 12 it is queried whether the driver is currently operating the accelerator pedal 7 or the brake pedal 6. If yes, the query is repeated in step 12, because in this situation it is assumed that the process of accelerating or decelerating the motor vehicle 1 is not yet completed.
  • step 13 there is thus the situation that the driver has released the corresponding pedal immediately before.
  • the instantaneous speed of the motor vehicle 1 is stored as the desired speed for the control by the cruise control system 1.
  • the cruise control system 1 permanently regulates the speed of the motor vehicle 2 so that it corresponds to the setpoint speed specified by the driver. From step 13, a return is made to step 12 to check whether the driver has made an operation input by operating the accelerator pedal or the brake pedal. If no operator input has been made, the current speed control continues unchanged.
  • step 12 Only when it has been determined in step 12 that the accelerator pedal o- the brake pedal has been actuated, is waited several times through the query in step 12, the end of the operator input made by the operator. Accordingly, during operation of the operating method, by operating the accelerator pedal 7, the driver can set a higher speed, which is stored as a new set speed immediately after releasing the accelerator pedal 7. Similarly, the driver can choose a lower speed by operating the brake pedal 5 during the implementation of the operating method, for example when driving downhill.
  • the brake pedal is thus not used to deactivate the engine. speed control but used to enter an operator command to change the speed. The same applies to the operation of the accelerator, which leads to their shutdown in a conventional cruise control system.
  • the operating method when a very strong, carried out by the driver braking the operating procedure stopped and the cruise control system 1 is turned off.
  • a strong braking can z. B. be made by the driver to avoid a dangerous situation or an accident.
  • the decision criterion used here is the actual deceleration of the motor vehicle 2 after a driver-side braking maneuver. If this delay, possibly speed-dependent, exceeds a certain value, it is assumed that the driver wants to actively take over the guidance of the motor vehicle 2 again, then the cruise control system 1 is switched off and the operating method is stopped.
  • the current status of the operating method is displayed to the driver on the switch 8, which has a lighting element for this purpose.
  • the current status of the cruise control system 1 is displayed to the driver by a flashing icon in the instrument cluster.
  • the operating method described has the advantage that after activation by the driver, an adaptation of the speed can be made solely by operating the accelerator pedal 7 or the brake pedal 6.
  • a mode with advanced adjustment By operating a further switch (not shown) can be turned on as part of the operating method, a mode with advanced adjustment.
  • a dynamic given by the driver can be taken into account by detecting the operating speed of the operation of the accelerator pedal.
  • the actuation speed corresponds to the actuation path of the accelerator pedal divided by the elapsed time. If the actuation speed exceeds a predetermined threshold, this is interpreted as a driver's desire to increase the desired speed beyond the current instantaneous speed. Accordingly, the instantaneous speed of the vehicle at the time of releasing the accelerator pedal is increased by a correction value which may be, for example, 5 km / h or 10 km / h. The same applies analogously to the operation of the brake pedal.
  • the setpoint speed is reduced by a correction value.
  • This mode with advanced adjustment is only active after operating a switch as a control. In order to avoid an undesirable high acceleration or deceleration, the accelerator pedal and the brake pedal are decoupled with the mode switched on with advance adjustment, so that the adjustment can take place without influencing the current driving situation.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Controls For Constant Speed Travelling (AREA)

Abstract

L'invention concerne un procédé permettant de faire fonctionner une installation de régulation de la vitesse d'un véhicule automobile. Selon ledit procédé, une vitesse théorique pouvant être prédéfinie est régulée par une intervention dans la commande d'un moteur d'entraînement et/ou d'un système de freinage, la vitesse momentanée du véhicule automobile étant fixée en tant que vitesse théorique pour la régulation de la vitesse dès que la pédale d'accélérateur ou de frein est relâchée.
PCT/EP2015/001998 2014-10-22 2015-10-09 Procédé permettant de faire fonctionner une installation de régulation de la vitesse WO2016062380A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014015656.7A DE102014015656A1 (de) 2014-10-22 2014-10-22 Betriebsverfahren für eine Geschwindigkeitsregelanlage
DE102014015656.7 2014-10-22

Publications (1)

Publication Number Publication Date
WO2016062380A1 true WO2016062380A1 (fr) 2016-04-28

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DE (1) DE102014015656A1 (fr)
WO (1) WO2016062380A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180111616A1 (en) * 2016-10-25 2018-04-26 NextEv USA, Inc. Target speed control system which uses acceleration and brake pedals
US20200079373A1 (en) * 2018-09-11 2020-03-12 Ford Global Technologies, Llc Methods and system for operating a vehicle

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017002261A1 (de) 2017-03-09 2018-09-13 Guido Hasel Setzen des Sollwerts der Geschwindigkeitsregelanlage für Kraftfahrzeuge über das Fahrpedal
DE102018200985A1 (de) 2017-08-10 2019-02-14 Volkswagen Aktiengesellschaft Verfahren zum Einstellen einer Fahrgeschwindigkeit eines Kraftfahrzeugs und Kraftfahrzeug mit einer Steuervorrichtung
KR20200057891A (ko) * 2018-11-16 2020-05-27 현대자동차주식회사 차량 주행 보조 제어 장치, 그를 포함한 시스템 및 그 방법
DE102019207327B3 (de) * 2019-05-20 2020-09-03 Audi Ag Fahrerassistenzsystem für ein Kraftfahrzeug und Kraftfahrzeug
EP3828050A1 (fr) * 2019-11-27 2021-06-02 Siemens Aktiengesellschaft Accélération par étapes d'une vitesse actuelle d'un véhicule
DE102020207313B4 (de) 2020-06-11 2022-06-15 Volkswagen Aktiengesellschaft Fahrerassistenzsystem für ein Kraftfahrzeug und Kraftfahrzeug mit einem Fahrerassistenzsystem

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DE202006001199U1 (de) * 2006-01-26 2006-03-23 Sting, Oliver Vorrichtung zur Geschwindigkeitskontrolle eines Kraftfahrzeugs
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DE102007031540A1 (de) * 2007-07-06 2009-01-08 Bayerische Motoren Werke Aktiengesellschaft Geschwindigkeitsregler für Kraftfahrzeuge
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DE102011113909A1 (de) * 2011-09-21 2012-03-15 Daimler Ag Verfahren und Vorrichtung zur Geschwindigkeitsbegrenzung eines Fahrzeugs
EP2597006A1 (fr) * 2010-07-20 2013-05-29 Hitachi Automotive Systems, Ltd. Dispositif de régulation de vitesse
EP2626269A2 (fr) * 2012-02-11 2013-08-14 Volkswagen Aktiengesellschaft Procédé et système d'assistance du conducteur pour la commande automatique de la vitesse d'un véhicule

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DE10145915A1 (de) 2001-09-18 2003-04-03 Volkswagen Ag Verfahren und Einrichtung zur Fahrgeschwindigkeitsregelung eines Kraftfahrzeuges
DE102012002318B4 (de) * 2012-02-06 2023-02-23 Audi Ag Verfahren zum Betreiben eines Kraftwagens und Kraftwagen mit einem Fahrerassistenzsystem

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19925369A1 (de) * 1999-06-02 2000-12-14 Bosch Gmbh Robert Verfahren und Vorrichtung zur Steuerung der Geschwindigkeit eines Fahrzeugs
DE202006001199U1 (de) * 2006-01-26 2006-03-23 Sting, Oliver Vorrichtung zur Geschwindigkeitskontrolle eines Kraftfahrzeugs
DE102007031541A1 (de) * 2007-07-06 2009-01-08 Bayerische Motoren Werke Aktiengesellschaft Geschwindigkeitsregler für Kraftfahrzeuge
DE102008031716A1 (de) * 2007-07-06 2009-01-08 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Sollgeschwindigkeitsvorgabe für ein Geschwindigkeitsregelsystem
DE102007031540A1 (de) * 2007-07-06 2009-01-08 Bayerische Motoren Werke Aktiengesellschaft Geschwindigkeitsregler für Kraftfahrzeuge
DE102008061393A1 (de) * 2008-12-10 2010-06-17 Bayerische Motoren Werke Aktiengesellschaft Geschwindigkeitsregelung für Kraftfahrzeuge
DE102010009480A1 (de) * 2010-02-26 2011-09-01 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Speichern einer aufrufbaren Sollgeschwindigkeit für eine automatische Geschwindigkeitsregelung
EP2597006A1 (fr) * 2010-07-20 2013-05-29 Hitachi Automotive Systems, Ltd. Dispositif de régulation de vitesse
DE102011113909A1 (de) * 2011-09-21 2012-03-15 Daimler Ag Verfahren und Vorrichtung zur Geschwindigkeitsbegrenzung eines Fahrzeugs
EP2626269A2 (fr) * 2012-02-11 2013-08-14 Volkswagen Aktiengesellschaft Procédé et système d'assistance du conducteur pour la commande automatique de la vitesse d'un véhicule

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180111616A1 (en) * 2016-10-25 2018-04-26 NextEv USA, Inc. Target speed control system which uses acceleration and brake pedals
US20200079373A1 (en) * 2018-09-11 2020-03-12 Ford Global Technologies, Llc Methods and system for operating a vehicle
US10981571B2 (en) * 2018-09-11 2021-04-20 Ford Global Technologies, Llc Methods and system for operating a vehicle

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