EP2182197B1 - Procédé destiné au fonctionnement d'un appareil de commande électronique d'un véhicule - Google Patents

Procédé destiné au fonctionnement d'un appareil de commande électronique d'un véhicule Download PDF

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Publication number
EP2182197B1
EP2182197B1 EP09172977A EP09172977A EP2182197B1 EP 2182197 B1 EP2182197 B1 EP 2182197B1 EP 09172977 A EP09172977 A EP 09172977A EP 09172977 A EP09172977 A EP 09172977A EP 2182197 B1 EP2182197 B1 EP 2182197B1
Authority
EP
European Patent Office
Prior art keywords
operating state
vehicle
control unit
control device
activated
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.)
Not-in-force
Application number
EP09172977A
Other languages
German (de)
English (en)
Other versions
EP2182197B2 (fr
EP2182197A1 (fr
Inventor
Johann Oleschko
Oliver Buchhold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Friedrichshafen AG
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
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Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP2182197A1 publication Critical patent/EP2182197A1/fr
Publication of EP2182197B1 publication Critical patent/EP2182197B1/fr
Application granted granted Critical
Publication of EP2182197B2 publication Critical patent/EP2182197B2/fr
Not-in-force legal-status Critical Current
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Classifications

    • 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
    • F02D41/042—Introducing corrections for particular operating conditions for stopping the engine

Definitions

  • the invention relates to a method for operating an electronic control unit of a vehicle according to the closer defined in the preamble of claim 1.
  • a method for initializing a control device for controlling an internal combustion engine in a vehicle is known.
  • a start request probability is determined.
  • a start request is determined as a function of a signal of another detection device.
  • the vehicle is checked and possibly secured against rolling away.
  • the internal combustion engine is set in motion by means of an electric motor and the control unit synchronized with the internal combustion engine such that a position of the internal combustion engine is detected by the control unit.
  • the electric motor is deactivated after the synchronization of the control unit with the internal combustion engine and the synchronized control unit is put into a stand-by mode and it is waited for a start request.
  • the control unit is initialized before the delivery of a driver-side start request and thus in particular also synchronized in order to be able to carry out a start-up operation taking place in response to a start request particularly quickly.
  • the start request probability is detected, for example, by means of suitable sensors, with a high start request probability during a determination a driver is detected in the vehicle.
  • the actual start request can be made by turning the ignition key or pressing a starter switch.
  • a synchronization of the control unit with the internal combustion engine takes place only if no data describing this synchronization are stored. This is to prevent repeated detection of a start request probability without an actual start request being made therebetween, to re-synchronize the controller with the engine, and to cause unnecessary wear of the electric motor and unnecessary power consumption.
  • the present invention is therefore based on the object to provide a method for operating an electronic control unit of a vehicle, by means of which a starting operation of a vehicle with short start times is feasible and by means of a control unit side Actuation of a vehicle component associated with the control unit can be carried out to the desired extent, in particular during the starting process.
  • the control unit is transferred during commissioning of the vehicle from the deactivated operating state in the activated operating state and thereby initialized.
  • control unit is transferred in response to various operating state parameters of the vehicle for a period of time from the activated operating state to a standby operating state in which an operating state of the vehicle component to be actuated is monitored and from which the control device at a commissioning of the Vehicle can be converted without initialization in the activated operating state, wherein the control unit is transferred in the switched-off state of the vehicle after the expiration of the period in the deactivated operating state.
  • the method according to the invention proves to be particularly advantageous in vehicles which are used in distribution transport, for example in parcel or letter delivery, since delays in starting the vehicle after every brief stopover are perceived as particularly disturbing.
  • the method according to the invention additionally has the advantage that the operating state of the vehicle component to be actuated via the electronic control unit is monitored and any operating state changes of the vehicle component can be taken into account when the vehicle is restarted without initialization of the control unit. For a control unit-side actuation of the vehicle component after re-commissioning of a vehicle to the desired extent feasible.
  • control unit can be converted into the standby operating state as a function of a driver request specification, with which the driver can manually influence the activation of the standby function by switching on or off.
  • the time duration in a further variant of the method according to the invention can be varied as a function of a driver's desired input.
  • the time duration of the activation of the stand-by operating state of the control unit with the aid of an operating element, such as a switch is adjustable by the driver.
  • the driver preferably manually increments the time duration or the standby time, eg. B. can be set to 0 min, to 1 min, 2 min, 5 min or to a longer period of time.
  • the time duration is adapted by means of a vehicle operating evaluation and / or as a function of a vehicle electrical system voltage.
  • a typical time that the driver needs for a stopover, and / or a number of vehicle stops adaptively revealing and for the determination of the duration or the stand-by time ansanziehbar and / or an inadmissible electrical system load is a simple way and Way by transferring the control unit in the characterized by a low power demand disabled operating condition avoidable.
  • the time duration is, for example, a charge state of an electrical memory of a vehicle accordingly adjustable and the storage device protected against total discharge.
  • the control unit is in a variant of the method according to the invention in response to a vehicle electrical system voltage in the standby operating state, the controller when determining a critical vehicle electrical system voltage at a shutdown of the vehicle not in the stand-by mode but in the deactivated mode is transferred.
  • the transmission device is deactivated in order to avoid a controller-side change of an operating state of the vehicle transmission, which may cause safety-critical operating conditions of the vehicle under certain circumstances.
  • the transmission control unit is provided for actuating a transmission device of a vehicle drive train of a vehicle, wherein the transmission device can be embodied as an automatic transmission or as an automated manual transmission.
  • the transmission control unit from a completely shut down operating condition which is characterized by a power demand, which is at least approximately zero, can be converted by commissioning of the vehicle in an activated operating state.
  • control device can be converted from the activated operating state into a standby operating state, at least for a standby time, in which a power requirement is lower than in the activated operating state and higher than in the deactivated operating state.
  • the transmission control unit is transferred from the standby operating state to the activated operating state due to commissioning of the vehicle, no initialization of the transmission control unit for the functional actuation of the transmission device is required, since the operating state of the transmission device in the standby mode monitored by the transmission control unit and Any changes in operating state of the transmission device can be determined.
  • the current operating state of the transmission device is used for the control unit-side actuation of the transmission device without initialization of the transmission control unit.
  • the time required for the control unit to change over from the standby operating state to the activated operating state is significantly shorter than the initialization time.
  • the control unit is in its deactivated operating state or in a completely switched-off state. From the first functional step S1 is shown to a verification step or a second functional step S2, during which it is checked whether a driving intention specification for commissioning of the vehicle is present or whether the driver has activated the ignition of the vehicle. In the case of a negative query result of the second functional step S2, the first functional step S1 is branched back, while with a positive query result, a branch is made to a third functional step S3. In the third functional step S3, the control unit is initialized and subsequently during a fourth functional step S4 transferred to the activated operating state.
  • a fifth functional step or checking step S5 following the fourth functional step S4 it is checked whether, for example, by switching off the vehicle ignition, a driving intention input for switching off the vehicle is present. If it is determined during the fifth checking step S5 that the driver has issued a corresponding desired driving specification, a branch is made to a sixth checking step S6, during which it is again checked whether the control unit is to be transferred to the standby operating state on the basis of a driver request specification. In the case of a negative query result of the fifth functional step S5, a branch is made back to the fourth functional step S4.
  • the transmission control device is to be transferred from the activated operating state to the standby operating state during a shutdown of the vehicle for a period in which an operating state of the transmission device is monitored and from which the control device at a Re-commissioning of the vehicle without initialization in the activated operating state can be transferred, wherein the control unit is transferred in the switched-off state of the vehicle after the expiration of the period in the deactivated operating state in which the transmission control unit has a lower power consumption than in the activated operating state and in stand-by mode ,
  • step S6 If, during the sixth checking step S6, it is determined that the transmission control unit can not be converted into the standby operating state, for example due to a driver's desired specification, the system branches to an eleventh function step S11 during which the transmission control device is transferred to the deactivated operating state. Subsequently, starting from step S11 back to the first functional step S1.
  • the sixth checking step S6 determines whether the control unit at a shutdown of the vehicle, that is, for example, when interrupting the circuit by subtracting an ignition key or by pressing a corresponding control element, due to a driver-side desired default in the stand-by operating state is to be transferred .
  • a vehicle electrical system voltage is compared with a threshold value of the vehicle electrical system voltage. If a current vehicle electrical system voltage is determined which is less than or equal to the threshold value of the vehicle electrical system voltage, the sixth check step S6 branches to the eleventh functional step S11 and the transmission control device is transferred to the deactivated operating state characterized by a reduced power requirement and then recirculated back to the first functional step S1.
  • the transmission control unit is prepared for the standby operating state during a seventh functional step S7 and transferred from the activated operating state to the standby operating state during an eighth functional step S8.
  • a ninth function step or checking step S9 it is verified whether the time duration during which the transmission control unit remains in the standby operating state has already expired.
  • a branch is made to a tenth check step S10, while in the case of a positive query result, branch is made to the eleventh function step S11, during which the control device is transferred to the deactivated operating state and from which a branch is made back to the first function step S1.
  • the tenth functional step S10 it is verified whether there is a driver-specific desired default for restarting the vehicle, wherein in the case of a positive query result, branching is made to the fourth functional step S4 and the control device is transferred to the activated operating state, while in the case of a negative query result of the tenth checking step, branching back to the eighth functional step S8.
  • control devices of a vehicle such as an engine control unit, a control unit of an ABS system, a control unit of an ESP system, a control unit for PTOs of agricultural or construction machinery or the like, to operate by means of the method according to the invention and a before a lapse of a stand-by time on a shutdown following startup of a vehicle without being able to perform by an initialization of a control unit waiting times with the shortest possible start times.
  • the functional scope of the electronic control unit in the standby operating state can only be a subset of the functional scope during the activated operating state or correspond to the functional scope in the activated operating state of the electronic control device.
  • control unit may include additional activated functions in the standby operating state, which in turn are deactivated in the activated operating state of the control unit.
  • additional activated functions in the standby operating state which in turn are deactivated in the activated operating state of the control unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Transmission Device (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Claims (8)

  1. Procédé destiné au fonctionnement d'un appareil de commande de transmission prévu pour l'actionnement d' au moins un composant de véhicule et basculé, en cas de déconnexion du véhicule, d'un état de fonctionnement activé dans un état de fonctionnement désactivé dans lequel l'appareil de commande présente un besoin en courant davantage réduit que dans l'état de fonctionnement activé, l'appareil de commande basculant, en cas de mise en route du véhicule, de l'état de fonctionnement désactivé dans l'état de fonctionnement activé et étant ainsi initialisé, caractérisé en ce que l'appareil de commande bascule d'un état de fonctionnement activé dans un état de fonctionnement de veille pour une durée donnée en fonction de différents paramètres d'état de fonctionnement du véhicule, en cas de déconnexion du véhicule par déconnexion de l'allumage du véhicule par le conducteur, un état de fonctionnement du composant de véhicule à actionner étant surveillé et l'appareil de commande pouvant en sortir en cas de mise en route du véhicule sans initialisation dans l'état de fonctionnement activé, l'appareil de commande étant basculé dans l'état de fonctionnement activé à l'état déconnecté du véhicule après écoulement du temps prévu.
  2. Procédé selon la revendication 1, caractérisé en ce que l'appareil de commande peut être basculé dans l'état de fonctionnement de veille en fonction d'une consigne de préférence du conducteur.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la durée peut varier en fonction d'une consigne de préférence du conducteur.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la durée est adaptée par le biais d'une analyse de fonctionnement du véhicule.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'appareil de commande peut basculer dans l'état de fonctionnement de veille en fonction d'une tension de réseau de bord.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la durée peut varier en fonction d'une tension de réseau de bord.
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'en cas de transition de l'état de fonctionnement activé dans l'état de fonctionnement de veille de l'appareil de commande, des fonctions prévues du côté de l'appareil de commande essentielles sur le plan de la sécurité sont désactivées pour l'actionnement du composant du véhicule.
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'en cas de transition de l'état de fonctionnement activé dans l'état de fonctionnement de veille de l'appareil de commande, des fonctions indiquant des états de fonctionnement du véhicule essentiels sur le plan de la sécurité sont activées.
EP09172977.2A 2008-11-03 2009-10-14 Procédé destiné au fonctionnement d'un appareil de commande électronique d'un véhicule Not-in-force EP2182197B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008043389A DE102008043389A1 (de) 2008-11-03 2008-11-03 Verfahren zum Betreiben eines elektronischen Steuergerätes eines Fahrzeuges

Publications (3)

Publication Number Publication Date
EP2182197A1 EP2182197A1 (fr) 2010-05-05
EP2182197B1 true EP2182197B1 (fr) 2012-08-29
EP2182197B2 EP2182197B2 (fr) 2017-09-06

Family

ID=41531694

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09172977.2A Not-in-force EP2182197B2 (fr) 2008-11-03 2009-10-14 Procédé destiné au fonctionnement d'un appareil de commande électronique d'un véhicule

Country Status (3)

Country Link
EP (1) EP2182197B2 (fr)
JP (1) JP5700922B2 (fr)
DE (1) DE102008043389A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013220948B4 (de) 2013-10-16 2018-04-05 Conti Temic Microelectronic Gmbh Verfahren und Vorrichtung zum Steuern eines Fahrzeugs

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2281227A (en) † 1993-08-28 1995-03-01 Ford Motor Co Engine Management System
DE19621900A1 (de) † 1996-05-31 1997-12-04 Bosch Gmbh Robert Verfahren zur Bestimmung der zwischen dem Abstellen des Motors eines Kraftfahrzeuges und dem erneuten Starten des Motors verstrichenen Zeit
JP3684966B2 (ja) * 1999-12-13 2005-08-17 日産自動車株式会社 エンジンの電磁動弁制御装置
DE10063753A1 (de) † 2000-12-21 2002-07-04 Bosch Gmbh Robert Verfahren zur Spannungsversorgung nach dem Abschalten einer Brennkraftmaschine
DE10139567A1 (de) † 2001-08-10 2003-02-20 Zahnradfabrik Friedrichshafen Verfahren zur Vereinfachung des Startvorgangs für ein Kraftfahrzeug
DE10301728B4 (de) † 2003-01-18 2005-12-22 Audi Ag Vorrichtung und Verfahren zur Sicherung eines Fahrzeugs mit Wegfahrsperre
DE10308459A1 (de) † 2003-02-21 2004-09-02 Robert Bosch Gmbh Verfahren, Computerprogramm und Steuergerät zum Betreiben einer Brennkraftmaschine
DE10317653B4 (de) 2003-04-17 2011-05-05 Robert Bosch Gmbh Initialisierung eines Steuergerätes
DE10329902A1 (de) † 2003-07-03 2005-01-27 Daimlerchrysler Ag Verfahren zur Steuerung der verschiedenen Betriebszustände eines Datenbussystems
DE10347839A1 (de) † 2003-10-10 2005-04-28 Daimler Chrysler Ag Fahrzeugdatenbussystem
JP4202297B2 (ja) † 2004-05-20 2008-12-24 株式会社日立製作所 内燃機関のバルブタイミング制御装置
DE102004026383B4 (de) † 2004-05-29 2006-10-26 Audi Ag Kraftfahrzeug mit mindestens einem von einem Prozessor gesteuerten Steuergerät
JP4248459B2 (ja) * 2004-08-05 2009-04-02 本田技研工業株式会社 エンジン自動停止装置

Also Published As

Publication number Publication date
EP2182197B2 (fr) 2017-09-06
EP2182197A1 (fr) 2010-05-05
DE102008043389A1 (de) 2010-05-06
JP2010107041A (ja) 2010-05-13
JP5700922B2 (ja) 2015-04-15

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