WO2013017370A1 - Procédé pour mettre hors marche et en marche un moteur de véhicule - Google Patents

Procédé pour mettre hors marche et en marche un moteur de véhicule Download PDF

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Publication number
WO2013017370A1
WO2013017370A1 PCT/EP2012/063120 EP2012063120W WO2013017370A1 WO 2013017370 A1 WO2013017370 A1 WO 2013017370A1 EP 2012063120 W EP2012063120 W EP 2012063120W WO 2013017370 A1 WO2013017370 A1 WO 2013017370A1
Authority
WO
WIPO (PCT)
Prior art keywords
brake
engine
turned
signal
vehicle
Prior art date
Application number
PCT/EP2012/063120
Other languages
German (de)
English (en)
Inventor
Jochen Feinauer
Norbert Mueller
Jochen BURKERT
Raphael Oliveira
Steffen Strauss
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to KR1020147002733A priority Critical patent/KR101918333B1/ko
Priority to BR112014002166A priority patent/BR112014002166A2/pt
Priority to EP12732842.5A priority patent/EP2739845A1/fr
Priority to CN201280038693.2A priority patent/CN103703243B/zh
Publication of WO2013017370A1 publication Critical patent/WO2013017370A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
    • F02N11/0818—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode
    • F02N11/0822—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode related to action of the driver
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
    • F02N11/0818—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode
    • F02N11/0833—Vehicle conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/08—Parameters used for control of starting apparatus said parameters being related to the vehicle or its components
    • F02N2200/0801—Vehicle speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/10—Parameters used for control of starting apparatus said parameters being related to driver demands or status
    • F02N2200/102—Brake pedal position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2300/00—Control related aspects of engine starting
    • F02N2300/20—Control related aspects of engine starting characterised by the control method
    • F02N2300/2011—Control involving a delay; Control involving a waiting period before engine stop or engine start
    • 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

Definitions

  • the invention relates to a method for switching off and switching on a vehicle engine and to an apparatus for carrying out the method. More and more motor vehicles are equipped today with a start-stop system. A start-stop system is used primarily to the
  • the engine is typically automatically turned off when the vehicle is stationary, the driver applies the vehicle brake, and the clutch is in neutral or neutral position "N."
  • the engine is usually automatically restarted when the driver operates the clutch or, in automatic vehicles, when the driver takes his foot off
  • Brake pedal takes.
  • the prevailing in the brake circuits form is usually by means of a
  • Brake pressure sensor - the so-called admission pressure sensor - detected. If the vehicle is stationary and the admission pressure exceeds a predetermined threshold, the start-stop system automatically shuts off the engine. When the driver depresses the clutch or releases the brake, the start-stop system automatically restarts the engine and the vehicle is at rest
  • the inventive method may basically include embodiments in which the engine is switched off when the vehicle is stationary, and those in which it is already off when the
  • the speed threshold can in principle be set to any value, for example 3 km / h or 5 km / h. If a higher value is selected, greater fuel economy can be achieved.
  • the first, independent from the form signal is preferably from a sensor for detecting an actuation of a vehicle brake such.
  • the term "independent of form” should here mean that the corresponding signal is generated by a sensor other than a form sensor.
  • the brake operation is monitored by means of a sensor which is already installed in the vehicle. In this case, no additional sensor needs to be installed.
  • the sensor may comprise, for example, a brake light switch, a displacement sensor, an angle sensor or a pressure sensor arranged in a brake booster, or a combination of a plurality of sensors.
  • the sensor is a
  • the signal from the brake light switch then provides information about whether the vehicle brake with a to activate the
  • Brake light switch sufficient strength is actuated or not.
  • a displacement or angle sensor may be provided with which a brake actuator, for. B. the brake pedal position can be detected.
  • the engine is preferably turned off when a brake light switch is activated or when the signal from a sensor for detecting a
  • Operation of a vehicle brake exceeds a predetermined threshold.
  • one or more further conditions can be specified, such. B. that the transmission is idling.
  • the brake light switch, or the threshold value is preferably set so that the engine is not already off with a minimal contact of the brake, but only with a stronger operation, for example at 10%, 20% or 30% of a maximum braking force.
  • the motor is also switched on either as a function of the first signal or as a function of a second signal which is independent of the form pressure.
  • a second sensor for detecting an actuation of a vehicle brake is preferably provided, which generates the second signal.
  • the second sensor can turn a - second - brake light switch, a
  • Displacement sensor an angle sensor or in a brake booster
  • the engine is preferably turned on when a brake light switch changes to the open state ("OFF" state) or when the signal from the first and second sensors is a predetermined second one
  • the first and second thresholds may be selected identically, but preferably the second threshold is smaller than the first threshold.
  • the switching threshold of the second switch is preferably smaller than that of the first switch. This can be prevented that the engine immediately turns on again when the driver solves the brake only slightly. Thus, if the driver does not want to continue and the engine is still to be switched off, the driver can reduce the intensity of the brake application without restarting the engine. This is usually more comfortable than when the brake pedal has to be kept pressed constantly.
  • the engine is switched off when a first brake light switch is activated (eg, changes to the "ON” state) and switched on when the first brake light switch is deactivated (eg, in the "OFF” state). changes).
  • a first brake light switch is activated (eg, changes to the "ON” state) and switched on when the first brake light switch is deactivated (eg, in the "OFF” state). changes).
  • the switching threshold of the first brake light switch is preferably higher than that of the second brake light switch.
  • the engine is turned off when the signal of a arranged in the brake booster pressure sensor (vacuum sensor) exceeds a predetermined first pressure threshold, and turned on when the signal of the pressure sensor falls below a predetermined second pressure threshold.
  • Embodiment is that the pressure sensor in the brake booster is more accurate than a brake light switch.
  • Locking or holding of the brake pressure can occur at or after the switch-off time of the engine.
  • Locking the brake pressure for example
  • the clogged brake pressure should at least be so great that the vehicle can be kept safely on slopes even at a standstill.
  • the engine is preferably switched off only when the brake pressure is at least so high that the vehicle can be safely held at a standstill.
  • a sufficiently high threshold for the first sensor signal is to be specified.
  • the clogged brake pressure is preferably held for a predetermined period of time after the next engine turn-on time and only released after the time has elapsed. If the brake pressure already to
  • a blocking period is preferably provided. In this case, it is no longer possible after a switch-on of the engine, the engine off again, as long as the lock time has not expired.
  • an optical and / or acoustic and / or haptic perceptible signal generator is activated when the engine, with the vehicle stationary or when the vehicle speed is below a predetermined speed threshold, is turned on and the driver operates the service brake too weakly to the To turn off the engine.
  • the auto switch is used to alert the driver that he should press the brake harder to turn off the engine.
  • an engine control unit which comprises means for carrying out the method.
  • Fig. 1 is a block diagram of an embodiment of the method according to the invention.
  • Fig. 2 shows the time course of the prevailing in a brake circuit
  • Figure 1 shows a block diagram of an embodiment of a start-stop method according to the invention, the z. B. in a car not shown with a brake system with two brake circuits can be used.
  • the associated start-stop system in the present example comprises two brake light switches, wherein the first brake light switch a higher
  • Switching threshold has as the second brake light switch. The first
  • Brake light switch is activated only when the braking force z. B. 30% of a maximum braking force, while the second brake light switch is already activated when the braking force z. B. is 10% of the maximum braking force.
  • the car engine will be switched off if the first brake light switch is activated (eg goes into the "ON” state) and switched on again if the second one is fulfilled
  • Brake light switch is deactivated (eg changes to the "OFF" state).
  • a first method step S1 it is checked whether certain
  • step S1 it is checked in step S1 whether the vehicle is stationary or the vehicle speed v is below a predetermined speed threshold v Sc hweiie.
  • the speed threshold can be z.
  • Sc hweiie amount v 4 km / h or 6 km / h.
  • step S1 If the vehicle speed is greater than the threshold, the engine is also not turned off. Finally, it is still checked in step S1, whether the gear lever is in the idle position or in a vehicle with automatic transmission, the brake is applied. Unless the gear is in the
  • the engine is also not turned off.
  • the conditions for switching off the motor can basically be specified freely. It can also be specified more or less conditions. If all predetermined conditions are met, it is determined in step S2 whether the first brake light switch is turned on, i. the driver operates the brake pedal more than a predetermined threshold. If the first
  • step S3 the driver is advised to apply the brake pedal more to the engine off.
  • the driver is advised to apply the brake pedal more to the engine off.
  • On a screen can z. B. the message "Please brake harder!” will be displayed, after which you will return to step S1 of the procedure.
  • step S2 if it is determined in step S2 that the first brake light switch is turned on, the engine is turned off in step S4. As soon as the form preset by the driver p rad falls below the threshold pi of the first brake light switch, also existing in the brake circuit
  • step S5 it is checked whether the second brake light switch is activated. If so, the engine remains off and step S5 is repeated. However, as soon as the driver has released the brake pedal far enough and the braking force z. B. is less than 10% of the maximum braking force, which switches the second brake light switch in the state "OFF.” The process then proceeds to step S6.
  • step S6 the engine is then automatically turned on.
  • a timer is activated, the aforementioned blocking period of several seconds, z. B. 10 s, pretends.
  • the clogged brake pressure is then maintained after the engine has been turned on, until the expiration of the predetermined period of time, the z. B. 3 seconds. After this period of time, the brake pressure is then reduced again in step S7.
  • Figure 2 shows the time course of the forces acting on a wheel brake wheel brake pressure p r a d and the pressure acting on the master cylinder before admission pressure p during a power-off and a subsequent power-up of the engine.
  • the second brake light switch switches to the "ON" state and the brake lights of the car lights up.
  • the driver then presses with increasing force on the brake pedal.
  • the vehicle comes to a standstill at time t 2 .
  • the brake pressure p is even lower in this state than the switching threshold pi of the first brake light switch.
  • a buzzer is activated which indicates to the driver that he should brake more to turn off the engine.
  • the driver increases the pressure on the brake pedal.
  • the brake pressure p reaches the switching threshold pi, whereby the first brake light switch turns on. If the other conditions for switching off the engine are still met, the internal combustion engine at time t 3 is turned off.
  • the driver continues to press the brake pedal, and the pre-pressure p before and the wheel brake pressure p rad still rise during a short time. Shortly thereafter, the driver begins to release the brake pedal, and the pre-pressure p before begins to descend. As soon as the inlet pressure p in front at the time t 4 falls below the switching threshold pi of the first brake light switch, the pressure prevailing in the brake circuit wheel brake pressure p is locked wheel and kept constant. As can be seen on the graph, the wheel brake pressure p rad remains constant, while the pre-pressure p decreases before .
  • the motor is switched on again at the time t 5 when the driver has released the brake pedal so far that the second brake light switch switches to the "OFF" state with the lower switching threshold p 2
  • the wheel brake pressure p rad will then still be a

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Regulating Braking Force (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Braking Elements And Transmission Devices (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

L'invention porte sur un procédé pour mettre hors marche et en marche un moteur d'un véhicule, qui comprend une installation de freinage équipée d'un ou de plusieurs circuits de frein. Le moteur est mis hors marche (S4) en fonction d'un premier signal qui dépend de la pression préalable (pvor) dans le ou les circuit(s) de frein lorsque le véhicule est à l'arrêt ou que la vitesse du véhicule (V) est au-dessous d'une valeur de seuil de vitesse prédéterminée (vSchwelle), et le moteur est mis en marche (S6) en fonction du premier signal ou d'un deuxième signal qui dépend de la pression préalable (pvor).
PCT/EP2012/063120 2011-08-01 2012-07-05 Procédé pour mettre hors marche et en marche un moteur de véhicule WO2013017370A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020147002733A KR101918333B1 (ko) 2011-08-01 2012-07-05 차량 엔진의 스위치-오프 및 스위치-온 방법
BR112014002166A BR112014002166A2 (pt) 2011-08-01 2012-07-05 processo para desligar e ligar um motor de veículo automotor
EP12732842.5A EP2739845A1 (fr) 2011-08-01 2012-07-05 Procédé pour mettre hors marche et en marche un moteur de véhicule
CN201280038693.2A CN103703243B (zh) 2011-08-01 2012-07-05 用于切断和接通车辆马达的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011080172A DE102011080172A1 (de) 2011-08-01 2011-08-01 Verfahren zum Ausschalten und Einschalten eines Fahrzeugmotors
DE102011080172.3 2011-08-01

Publications (1)

Publication Number Publication Date
WO2013017370A1 true WO2013017370A1 (fr) 2013-02-07

Family

ID=46465226

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/063120 WO2013017370A1 (fr) 2011-08-01 2012-07-05 Procédé pour mettre hors marche et en marche un moteur de véhicule

Country Status (7)

Country Link
EP (1) EP2739845A1 (fr)
JP (1) JP2014529699A (fr)
KR (1) KR101918333B1 (fr)
CN (1) CN103703243B (fr)
BR (1) BR112014002166A2 (fr)
DE (1) DE102011080172A1 (fr)
WO (1) WO2013017370A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014214869A1 (de) 2014-07-29 2016-02-04 Robert Bosch Gmbh Verfahren zum Betreiben einer Bremseinrichtung, Steuergerät
DE102015202093A1 (de) 2015-02-05 2016-08-11 Bayerische Motoren Werke Aktiengesellschaft Steuereinheit und Verfahren zum Verhindern einer ungewollten Fahrzeugbewegung
DE102017205895A1 (de) 2017-04-06 2018-10-11 Bayerische Motoren Werke Aktiengesellschaft Start-Stopp-Einrichtung zum Veranlassen eines automatischen Abschalt- und/oder Anschaltvorgangs einer Antriebsmaschine
GB2579178B (en) * 2018-11-21 2021-04-14 Jaguar Land Rover Ltd Vehicle control method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1016779A2 (fr) * 1998-12-28 2000-07-05 Nissan Motor Co., Ltd. Procédé et dispositif pour arrêter automatiquement un moteur de véhicule fonctionnant au ralenti lors d'un arrêt du véhicule
EP1028022A2 (fr) * 1999-02-10 2000-08-16 Nissan Motor Company, Limited Système automatique d'arrêt/redémarrage pour moteur à combustion interne
WO2004091961A1 (fr) * 2003-04-16 2004-10-28 Daimlerchrysler Ag Procede permettant de faire fonctionner un vehicule
DE102006028333A1 (de) * 2005-06-20 2006-12-21 Ford Global Technologies, LLC, Dearborn Verfahren zum Steuern des Betriebs eines Motors
US20070267238A1 (en) * 2004-08-27 2007-11-22 Peugeot Citroen Automobiles Sa Method of Inhibiting the Automatic Stop Control System of the Heat Engine of a Vehicle in the Absence of a Driver
EP1995450A2 (fr) * 2007-05-23 2008-11-26 Peugeot Citroen Automobiles SA Procédé de commande de l'arrêt et du redémarrage automatique du moteur d'un véhicule
US20100076656A1 (en) * 2006-11-21 2010-03-25 Isuzu Motors Limited Automatic stop-and-start device for engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3675281B2 (ja) * 2000-02-15 2005-07-27 日産自動車株式会社 車両のエンジン自動停止再始動装置
DE10251765A1 (de) * 2002-11-07 2004-05-27 Daimlerchrysler Ag Verfahren zum selbsttätigen Ein- und Ausschalten der Antriebseinheit eines Kraftfahrzeugs mit einem manuellen Schaltgetriebe
JP2004251253A (ja) * 2003-02-21 2004-09-09 Toyota Motor Corp 内燃機関の自動停止始動制御装置
JP4784637B2 (ja) * 2008-10-28 2011-10-05 株式会社デンソー エンジンの自動停止始動装置
JP5141584B2 (ja) * 2009-02-12 2013-02-13 三菱自動車工業株式会社 蒸発燃料パージの制御装置
JP2011131883A (ja) * 2011-03-22 2011-07-07 Fujitsu Ten Ltd エコランシステム、エコラン制御装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1016779A2 (fr) * 1998-12-28 2000-07-05 Nissan Motor Co., Ltd. Procédé et dispositif pour arrêter automatiquement un moteur de véhicule fonctionnant au ralenti lors d'un arrêt du véhicule
EP1028022A2 (fr) * 1999-02-10 2000-08-16 Nissan Motor Company, Limited Système automatique d'arrêt/redémarrage pour moteur à combustion interne
WO2004091961A1 (fr) * 2003-04-16 2004-10-28 Daimlerchrysler Ag Procede permettant de faire fonctionner un vehicule
US20070267238A1 (en) * 2004-08-27 2007-11-22 Peugeot Citroen Automobiles Sa Method of Inhibiting the Automatic Stop Control System of the Heat Engine of a Vehicle in the Absence of a Driver
DE102006028333A1 (de) * 2005-06-20 2006-12-21 Ford Global Technologies, LLC, Dearborn Verfahren zum Steuern des Betriebs eines Motors
US20100076656A1 (en) * 2006-11-21 2010-03-25 Isuzu Motors Limited Automatic stop-and-start device for engine
EP1995450A2 (fr) * 2007-05-23 2008-11-26 Peugeot Citroen Automobiles SA Procédé de commande de l'arrêt et du redémarrage automatique du moteur d'un véhicule

Also Published As

Publication number Publication date
EP2739845A1 (fr) 2014-06-11
DE102011080172A1 (de) 2013-02-07
CN103703243A (zh) 2014-04-02
KR20140054015A (ko) 2014-05-08
KR101918333B1 (ko) 2018-11-13
JP2014529699A (ja) 2014-11-13
BR112014002166A2 (pt) 2017-02-21
CN103703243B (zh) 2017-05-17

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