EP2286070A1 - Véhicule à moteur - Google Patents

Véhicule à moteur

Info

Publication number
EP2286070A1
EP2286070A1 EP09761406A EP09761406A EP2286070A1 EP 2286070 A1 EP2286070 A1 EP 2286070A1 EP 09761406 A EP09761406 A EP 09761406A EP 09761406 A EP09761406 A EP 09761406A EP 2286070 A1 EP2286070 A1 EP 2286070A1
Authority
EP
European Patent Office
Prior art keywords
information
engine operating
operating range
engine
motor vehicle
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.)
Withdrawn
Application number
EP09761406A
Other languages
German (de)
English (en)
Inventor
Lutz Eckstein
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP2286070A1 publication Critical patent/EP2286070A1/fr
Withdrawn legal-status Critical Current

Links

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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2409—Addressing techniques specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/28—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor characterised by the type of the output information, e.g. video entertainment or vehicle dynamics information; characterised by the purpose of the output information, e.g. for attracting the attention of the driver
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/08—Safety, indicating, or supervising devices
    • F02B77/084—Safety, indicating, or supervising devices indicating economy
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/3005—Details not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/16—Type of output information
    • B60K2360/168—Target or limit values
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/16—Type of output information
    • B60K2360/174—Economic driving
    • 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 motor vehicle with an accelerator pedal, in particular accelerator pedal.
  • the focus of current motor vehicle development is on increasing energy efficiency.
  • an attempt is made to make the motor vehicles energy-efficient per se and, on the other hand, to enable or encourage drivers to use motor vehicles in an energy-efficient manner.
  • the present invention is concerned with the last-mentioned experiment.
  • the invention is based on the object of specifying a motor vehicle which can be operated efficiently. This object is solved by the features of the independent claim. Advantageous developments of the invention can be found in the dependent claims.
  • the invention is based on the idea to inform a driver about the current engine operating point, and thus to allow him a more efficient operation of the vehicle. For example, at present, it is still widely believed that the least possible acceleration is particularly efficient for changing the speed. However, this is usually not correct, since with the lowest possible acceleration usually a low, lying below the optimum operating point of the engine engine load is connected.
  • a preferred motor vehicle has an engine, in particular together with a motor speed determination or engine speed control device, an accelerator pedal, in particular an accelerator pedal, for requesting engine power and a display device, such as a graphic display, for example.
  • Information about the dependence of the preferred, in particular optimal, engine operating range, in particular engine operating point, on the engine speed is stored in a memory device.
  • the preferred engine operating range, particularly engine operating point is determined (among other things, substantially or exclusively) by a preferred range of accelerator pedal angle, accelerator pedal position, throttle position, requested torque or requested engine load in which specific fuel consumption (g / kWh) is determined. low, especially minimal, is.
  • a control device is set up and coupled to the engine, the storage device and the display device such that information about the currently preferred engine operating range is displayed on the display device as a function of the currently (determined or predetermined) engine speed.
  • information is displayed which indicates in which area of the vehicle dalwinkels, the accelerator pedal position, the throttle position, the requested or effective torque or the requested or effective engine load at the current engine speed, the specific fuel consumption (g / kWh) is low, in particular minimal.
  • the control device is preferably set up and coupled to the engine, the accelerator pedal, the storage device and the display device such that information about the current actual engine operating range, in particular the engine operating point, is displayed.
  • the current engine operating range, in particular engine operating point is determined (among other things, substantially or exclusively) by the current accelerator pedal angle, the current accelerator pedal position, the instantaneous throttle position, the currently requested or effective torque, or the currently requested or effective engine load. Information about it will be displayed.
  • the simultaneous and interrelated display of information about the current engine operating range and the current engine speed operating range allows a driver to accelerate his motor vehicle closer to the preferred operating range, thus with lower specific fuel consumption and thus more efficiently.
  • a simultaneous, especially the information on the speed-dependent currently preferred because efficient engine operating range, in particular the operating point scale, superimposed display of information about the current actual engine operating range, in particular engine operating point allows a driver a particularly simple detection of the relationship between current, actual and momentarily preferable because efficient engine operating range.
  • the driver can then operate the motor vehicle efficiently, in particular efficiently, by operating the motor vehicle in each case in an engine operating range which is close to or even coincides with the currently preferred engine operating range.
  • the combination of the described efficiency indication with a shift point indication is particularly advantageous because there is only a single optimum operating point in the overall consumption map (called shell curves) where the specific consumption is minimal. This can be achieved that the driver not only anatom the advantageous at the respective speed operating point with minimal specific consumption, but is directed by the shift point display in the speed range in which the engine achieves the highest power yield of one gram of fuel.
  • information about the current actual engine operating range is displayed as a graph or by a pointer.
  • the pointer is a marker movable along the variable operating point scale.
  • the display device is preferably provided for displaying further information. Switching can be done either via the accelerator pedal position or another control element or event. For example in response to the change of the accelerator pedal position automatically switched to the display of information about the current actual and / or the current preferred engine operating range, for example, when the change of the accelerator pedal position or the change of the requested engine power exceeds a predetermined limit (acceleration case). At a substantially constant accelerator pedal position can be switched back to the display of further information.
  • the further information includes, for example, information about the current absolute fuel consumption, shift times, gear shift prompts, or the currently most efficient gear.
  • the further information can also be timed alternately with the information about the current actual and / or the current preferred engine operating range, or triggered by another event such as a driver's action.
  • the display device is driver-controlled or user-controlled from the display of information about the current actual and / or the current preferred engine operating range to the display of information about the current absolute fuel consumption switchable.
  • a further development provides that the further information, in particular about shift times, gear change requests or the current absolute fuel consumption, be displayed simultaneously with the information about the current actual and / or the current preferred engine operating range, in particular such that the further information within the pointer or pointer environment.
  • the engine, the accelerator pedal, the display device, the control device and the storage device cooperate in such a way that the specific fuel consumption is reduced if the accelerator pedal position is changed by a driver - prompted by the display of information about the current actual and / or current preferred engine operating range - such that the distance of the pointer from the marking representing the current preferred engine operating range is reduced.
  • the driver can operate the motor vehicle close to the theoretical consumption optimum.
  • information about the currently preferred engine operating range and / or the information about the current actual engine operating range information about a gearshift recommendation, a shift request, a shift point or a currently preferred gear is displayed.
  • Figures 1 to 4 show simplified schematic partial representations of a
  • FIG. 1 shows the components or aggregates of a motor vehicle that are relevant to the explanation of the invention: an engine MO, an accelerator pedal FP for requesting engine power, a display device ANZ, such as a combination display, a central display or a head-up display, and a memory device SPE.
  • the engine MO may have an engine speed detecting means / control means and the accelerator pedal via an accelerator pedal angle detecting means.
  • information about the steady-state or dynamic dependency of the specific fuel consumption on the parameters of the engine speed and the requested or effective load (torque) is stored, for example in the form of a table, a characteristic, a function or an engine map.
  • a speed-dependent preferred engine operating point may be determined, for example, by a preferred engine load or a preferred accelerator pedal position. The same information is suitable to give the driver a shift recommendation, since the minima of the specific consumption for different speeds are not constant, but in turn, for example, have a minimum at 3000 rev / min.
  • a control device STE which may comprise one or more control units, for example an engine control unit and / or a graphics control unit, is programmed in such a way and coupled to the engine MO, the memory device SPE and the display device ANZ that on the display device ANZ information M on the currently preferred engine operating range depending on the current engine speed and information on meaningful gear changes are displayed
  • the information M on the currently preferred engine operating range is indicated by an engine speed dependent variable operating point scale S, for example, by marking the preferred engine operating range or engine operating point on the operating point scale S.
  • the information about the currently preferred engine operating range is displayed by an engine speed dependent variable marker along the operating point scale.
  • the Mark M here denotes a preferred engine operating range, wherein in addition the optimum engine operating point is marked in the center of the mark.
  • the operating point scale S for example, represents the engine load L from 0 to 100%.
  • information Z about the current actual engine operating range, in particular engine operating point is represented by a pointer Z assigned or superimposed on the scale.
  • an actual engine operating point may also be determined by an actual engine load or actual accelerator pedal position.
  • the current engine speed can optionally be represented, for example, on a further display device, and be used, for example, to determine a gearshift recommendation. This in turn may be integrated in the display of the preferred operating point or range.
  • the engine MO, the accelerator pedal FP, the indicator ANZ, the controller STE, and the storage means SPE cooperate to reduce the specific fuel consumption by suitably changing the accelerator pedal position by a driver.
  • the accelerator pedal position is to be changed by a driver in such a way that the distance of the pointer Z from the marking M representing the current preferred engine operating range is reduced.
  • a driver with an acceleration request recognizes that the current actual engine operating point (represented by the pointer Z) on the scale S is still far from the engine operating range (representative at the instantaneous engine speed). sent by the mark M) is removed. This means, for example, that the current throttle position or accelerator pedal position is still far away from the optimum throttle valve position or accelerator pedal position-with regard to the specific fuel consumption. If acceleration were to take place with the current throttle position or accelerator pedal position, this would not be particularly efficient.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Instrument Panels (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

L'invention concerne un véhicule à moteur comprenant un moteur (MO), un accélérateur (FP) destiné à entraîner la puissance moteur, un système de stockage (SPE) servant à enregistrer les informations concernant la dépendance du point de fonctionnement dynamique préféré, en particulier optimal du couple du moteur, comprenant également un système d'affichage (ANZ) et un système d'entraînement (STE), qui est conçue et couplée au moteur, au dispositif de stockage (SPE) et au dispositif d'affichage (ANZ) de manière à ce que les informations (M) concernant le point de fonctionnement dynamique du moteur préféré à l'instant T s'affiche sur le dispositif d'affichage (ANZ) en fonction du couple du moteur instantané.
EP09761406A 2008-06-14 2009-05-30 Véhicule à moteur Withdrawn EP2286070A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008028449A DE102008028449A1 (de) 2008-06-14 2008-06-14 Kraftfahrzeug
PCT/EP2009/003897 WO2009149843A1 (fr) 2008-06-14 2009-05-30 Véhicule à moteur

Publications (1)

Publication Number Publication Date
EP2286070A1 true EP2286070A1 (fr) 2011-02-23

Family

ID=40996563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09761406A Withdrawn EP2286070A1 (fr) 2008-06-14 2009-05-30 Véhicule à moteur

Country Status (3)

Country Link
EP (1) EP2286070A1 (fr)
DE (1) DE102008028449A1 (fr)
WO (1) WO2009149843A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011003681A1 (de) * 2011-02-07 2012-08-09 Man Diesel & Turbo Se Verfahren und Vorrichtung zur Anpassung des Betriebszustands eines Verbrennungsmotors
US8965640B2 (en) * 2012-11-30 2015-02-24 Caterpillar Inc. Conditioning a performance metric for an operator display
US8983739B2 (en) 2012-11-30 2015-03-17 Caterpillar Inc. Real time pull-slip curve modeling in large track-type tractors
DE102017216331A1 (de) 2017-09-14 2019-03-14 Bayerische Motoren Werke Aktiengesellschaft Verbrauchsoptimierung eines Kraftfahrzeugs mit manuellem Schaltgetriebe

Citations (3)

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EP0103678A1 (fr) * 1982-09-17 1984-03-28 WABCO Westinghouse Fahrzeugbremsen GmbH Accélérateur pour véhicules routiers
DE10233570A1 (de) * 2002-07-24 2004-02-12 Robert Bosch Gmbh Verfahren und Vorrichtung zur Signalisierung mehrerer für den Betrieb eines Kraftfahrzeuges relevanter Informationen
WO2008038494A1 (fr) * 2006-09-25 2008-04-03 Toyota Jidosha Kabushiki Kaisha Dispositif d'affichage pour véhicule hybride, véhicule hybride, et procédé d'affichage pour véhicule hybride

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0103678A1 (fr) * 1982-09-17 1984-03-28 WABCO Westinghouse Fahrzeugbremsen GmbH Accélérateur pour véhicules routiers
DE10233570A1 (de) * 2002-07-24 2004-02-12 Robert Bosch Gmbh Verfahren und Vorrichtung zur Signalisierung mehrerer für den Betrieb eines Kraftfahrzeuges relevanter Informationen
WO2008038494A1 (fr) * 2006-09-25 2008-04-03 Toyota Jidosha Kabushiki Kaisha Dispositif d'affichage pour véhicule hybride, véhicule hybride, et procédé d'affichage pour véhicule hybride
EP2070787A1 (fr) * 2006-09-25 2009-06-17 Toyota Jidosha Kabushiki Kaisha Dispositif d'affichage pour vehicule hybride, vehicule hybride, et procede d'affichage pour vehicule hybride

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Title
See also references of WO2009149843A1 *

Also Published As

Publication number Publication date
DE102008028449A1 (de) 2009-12-17
WO2009149843A1 (fr) 2009-12-17

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