WO2015193093A1 - Système et procédé de contrôle électronique de la stabilité d'un véhicule automobile - Google Patents

Système et procédé de contrôle électronique de la stabilité d'un véhicule automobile Download PDF

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Publication number
WO2015193093A1
WO2015193093A1 PCT/EP2015/062121 EP2015062121W WO2015193093A1 WO 2015193093 A1 WO2015193093 A1 WO 2015193093A1 EP 2015062121 W EP2015062121 W EP 2015062121W WO 2015193093 A1 WO2015193093 A1 WO 2015193093A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor vehicle
vehicle
operating mode
data
control
Prior art date
Application number
PCT/EP2015/062121
Other languages
German (de)
English (en)
Inventor
Tobias Huber
Original Assignee
Continental Automotive 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 Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2015193093A1 publication Critical patent/WO2015193093A1/fr

Links

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
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/12—Controlling the power contribution of each of the prime movers to meet required power demand using control strategies taking into account route information
    • 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
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/13—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
    • B60W20/14—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion in conjunction with braking regeneration
    • 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
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18072—Coasting
    • 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
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18109—Braking
    • B60W30/18127—Regenerative braking
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/0097—Predicting future conditions
    • 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
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18072—Coasting
    • B60W2030/1809—Without torque flow between driveshaft and engine, e.g. with clutch disengaged or transmission in neutral
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W2050/0062—Adapting control system settings
    • B60W2050/0075—Automatic parameter input, automatic initialising or calibrating means
    • 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
    • B60W2552/00—Input parameters relating to infrastructure
    • B60W2552/15—Road slope, i.e. the inclination of a road segment in the longitudinal direction
    • 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
    • B60W2552/00—Input parameters relating to infrastructure
    • B60W2552/20—Road profile, i.e. the change in elevation or curvature of a plurality of continuous road segments
    • 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
    • B60W2556/00—Input parameters relating to data
    • B60W2556/45—External transmission of data to or from the 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
    • B60W2556/00—Input parameters relating to data
    • B60W2556/45—External transmission of data to or from the vehicle
    • B60W2556/50—External transmission of data to or from the vehicle of positioning data, e.g. GPS [Global Positioning System] data
    • 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
    • B60W2720/00—Output or target parameters relating to overall vehicle dynamics
    • B60W2720/10—Longitudinal speed

Definitions

  • the present invention relates to a vehicle dynamics control for a motor vehicle.
  • the present invention relates to a device and a method for vehicle dynamics control of a motor vehicle.
  • a first aspect of the present invention relates to a device for vehicle dynamics control of a motor vehicle, the device comprising: a detection device which is designed to detect geographical data within a surrounding area of the motor vehicle; A be- calculating device, which is designed to calculate an anticipated speed of the motor vehicle on the basis of the acquired geographical data; and a control device, which is designed to control an operating mode of the motor vehicle as a function of the calculated prospective speed of the motor vehicle.
  • the control device controls the operating mode "sailing", ie the coupling state of the wheels with the drive.
  • a method for vehicle dynamics control comprising the following method steps: acquiring geographical data within an environmental region of the motor vehicle; Calculating an estimated speed of the motor vehicle based on the acquired geographical data; and controlling an operating mode of the motor vehicle in dependence on the calculated estimated speed of the motor vehicle.
  • the term "driving dynamics”, as used by the present invention includes, for example, the investigation of path, time, speed, acceleration, energy consumption, propulsion ⁇ forces, power, resistance to movement of the vehicle and in particular the longitudinal dynamics, given by input variables such as drive torque and braking torques, running resistance or other by acting on the motor vehicle forces-related sizes.
  • the term "geographic data" as used in the present invention includes, for example digital infor ⁇ mation which a certain spatial position can be assigned to the surface, also referred to as Geoinformation or georeference. Geographical data can be immediately obtained primary data or further processed secondary data, including metadata that describes the actual spatial data, for example, in terms of a time reference or the emergence.
  • Elevation profile of an expected route of the vehicle ⁇ force be calculated.
  • the geographical data indicate in particular the positive and / or negative slope of the route.
  • the present invention is characterized in that it is avoided that at a steep - steeper as a defined limit for a slope - downhill the vehicle too fast - faster than prevailing speed limit ⁇ or faster than vehicle-specific limit values - pretend because in During this downhill period, the engine can not be used as a brake if the powertrain has been decoupled.
  • the present invention as a function of the calculated vorrauicen speed of the motor vehicle to control an operating mode of the motor vehicle, wherein the controlling of the operating mode may include blocking a Se ⁇ gel function.
  • ailing for example, an engine shutdown of the motor vehicle, in which an internal combustion engine of the power ⁇ vehicle uncoupled and / or turned off and also, for example, by disengaging a drive train of the motor vehicle braking torques are avoided and the force - vehicle only by the inertia of the mass of the power ⁇ vehicle maintains its speed.
  • the present invention advantageously makes it possible to detect a downhill situation lying on a preceding driving route and makes it possible, for example, to activate the sail function, that is to open or uncouple the drive train, and thereby to safely coast the motor vehicle without an increased - i.e. to allow acceleration of the motor vehicle associated with exceeding a speed limit.
  • the present invention advantageously makes it possible to provide a ver ⁇ improved vehicle dynamics control, which allows energy-efficient driving a motor vehicle.
  • recuperative braking may be selected due to the recognition of a likely longer downhill ride.
  • Longer lasting here means, for example, a period of time of up to 10 s or of up to 40 s or of up to 2 min or another period of time.
  • Recuperative braking may be any form of recuperation, that is, motor braking via an electric motor.
  • the present invention enables the safety of the motor vehicle by defining a desired speed limit in the sailing function of the power train. vehicle based on prevailing topological conditions.
  • a downhill situation may include a descent of the motor vehicle over, for example, a distance of 2 km and may also be given a shutdown of a height difference of more than 400 meters, for example over a period of 100 s or up to 2 min or over any other period of time.
  • the present invention input ⁇ sizes in providing the vehicle dynamics control at use, and in particular the use of dynamic Nahfeldre supplied directly from the respective sensors of the motor vehicle to provide possible.
  • the present invention may advantageously use near-field dynamic information as inputs that are transmitted from a network, such as a back-end system.
  • near-field information includes, for example, by means of optical sensors or by means of other sensors resolvable topographical conditions of the environment, for example up to 2 km, or up to 10 km, of the motor vehicle.
  • the present invention can also use as input variables non-dynamic data such as map data of stored maps of the environment.
  • the present invention can use motor vehicle data as input variables. Due to this input data used is advantageously recognized by the device, Which current and future gradient will overcome the motor vehicle and how this affects the Anlagenge ⁇ speed or on the change in vehicle speed.
  • the device recognizes in advance whether critical driving situations can occur during downhill driving for the motor vehicle and a certain speed can probably be exceeded.
  • a sailing mode is aborted or deactivated, either when the critical driving situation is anticipated or at the time when the critical driving situation is detected.
  • a futureffygeschwin ⁇ speed can be calculated for example, which corresponds, for example a driving ⁇ impressive speed, which occurs s future only after a period of, for example, the 10th
  • the present invention may provide downhill sensing that provides for recuperative braking to limit future vehicle speed.
  • the detection device is designed to detect the geographical data by means of a sensor.
  • these data are taken from a memory, preferably a map data memory of a navigation device.
  • the detection device to is designed to receive the geographic data via a network connection.
  • the detection device is designed to record the geographical data via a terrain map stored in a memory device.
  • the detection device is designed to detect vehicle data.
  • the calculation device is designed to calculate the estimated speed of the motor vehicle on the basis of the acquired geographical data and on the basis of the vehicle data.
  • control means is adapted to compare the calculated expected speed of the motor ⁇ vehicle with a threshold value and to control the operation mode of the motor vehicle in dependence ⁇ From the comparison.
  • control device is designed to select an operating mode with a recuperative braking of the motor vehicle as the operating mode of the motor vehicle.
  • control device is designed to operate as an operating mode of the motor vehicle with an operating mode to select a disengagement of the drive train of the motor vehicle.
  • Fig. 1 is a schematic representation of an apparatus for
  • Fig. 2 is a schematic representation of a flowchart of a method for driving dynamics control of a Motor vehicle according to another embodiment of the invention.
  • Fig. 3 is a schematic representation of a motor vehicle with a device for driving dynamics control of a
  • the device 1 shows a device for driving dynamics control of a motor vehicle 100, wherein the device 1 comprises, for example, a detection device 10, a calculation device 20 and a control device 30.
  • the detection means 10 may be, for example, to be ⁇ forms to collect geographic data within a range of ambient ⁇ U of the motor vehicle 100th
  • the detection device 10 may be designed, for example, as a sensor or as a camera sensor or as a network interface and correspondingly acquire the geographical data within the surrounding area U itself or receive the geographical data via network connection from a backend server.
  • the detection device 10 can also have a memory device and retrieve the geographical data from the memory.
  • the calculation device 20 may be formed, for example, from ⁇ to calculate an estimated speed of the motor vehicle 100 based on the detected geographical data.
  • the control device 30 may be, for example, to be ⁇ forms, for controlling an operation mode of the motor vehicle 100 as a function of the calculated expected speed of the motor vehicle.
  • FIG. 2 shows a schematic illustration of a flow diagram of a method ⁇ for driving dynamics control of a motor vehicle according to another embodiment of the invention.
  • the method for driving dynamics control of a motor vehicle 100 includes, for example, the following method steps.
  • a first method step of the method for example, detection of geographical data within a surrounding area U of the motor vehicle 100 takes place.
  • calculating an estimated speed of the motor vehicle 100 based on the acquired geographical data For example, calculating an estimated speed of the motor vehicle 100 based on the acquired geographical data.
  • a control S3 of an operating mode of the force ⁇ vehicle 100 takes place as a function of the calculated estimated speed of the motor vehicle.
  • FIG. 3 shows a schematic representation of a device for driving dynamics control of a motor vehicle according to an embodiment of the invention.
  • the motor vehicle 100 shown in FIG. 3 is located on a hilltop and will cover a distance of, for example, 1 km during the course of a future period of, for example, 20 seconds within the surrounding area U of the motor vehicle 100 and thereby exceed, for example, a height difference of 200 vertical meters the height difference is negative, that is, the speed of the vehicle in the case of a curse of the motor vehicle 100 ge ⁇ increases.
  • height data or geographical data can be available which describe the absolute height information in the points A and B and, for example, a predominant gradient in the points A and B on the route of the motor vehicle 100.
  • the motor vehicle 100 comprises for example a drive ⁇ strand 40 which can be driven by the device. 1
  • the driving of the drive train 40 includes, for example, a coupling and / or decoupling of the drive train 40.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Système (1) de contrôle électronique de la stabilité d'un véhicule automobile (100), qui comprend un dispositif capteur (10) conçu pour collecter des données géographiques à l'intérieur d'une zone (U) de l'environnement du véhicule automobile (100) ; un dispositif de calcul (20) conçu pour calculer une vitesse prévue du véhicule à moteur sur la base des données géographiques collectées ; et un dispositif de commande (30) conçu pour commander un mode de fonctionnement du véhicule automobile en fonction de la vitesse prévue calculée dudit véhicule.
PCT/EP2015/062121 2014-06-17 2015-06-01 Système et procédé de contrôle électronique de la stabilité d'un véhicule automobile WO2015193093A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014211560.4A DE102014211560A1 (de) 2014-06-17 2014-06-17 Vorrichtung und Verfahren zur Fahrdynamikregelung eines Kraftfahrzeuges
DE102014211560.4 2014-06-17

Publications (1)

Publication Number Publication Date
WO2015193093A1 true WO2015193093A1 (fr) 2015-12-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/062121 WO2015193093A1 (fr) 2014-06-17 2015-06-01 Système et procédé de contrôle électronique de la stabilité d'un véhicule automobile

Country Status (2)

Country Link
DE (1) DE102014211560A1 (fr)
WO (1) WO2015193093A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015224247A1 (de) * 2015-12-03 2017-06-08 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Betreiben eines Kraftfahrzeugs mit einem Startergenerator
DE102017204270A1 (de) 2017-03-15 2018-09-20 Bayerische Motoren Werke Aktiengesellschaft Situationsspezifisches Adaptieren des Rekuperationsanteils
DE102017213278A1 (de) 2017-08-01 2019-02-07 Bayerische Motoren Werke Aktiengesellschaft Datendienst zum Anpassen eines Fahrzeugabstands
DE102021211730A1 (de) 2021-10-18 2023-04-20 Zf Friedrichshafen Ag Übertourschutz

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008015046A1 (de) * 2007-03-20 2008-09-25 Continental Teves Ag & Co. Ohg Verfahren und Vorrichtung zur prädiktiven Steuerung und/oder Regelung eines Hybridantriebs in einem Kraftfahrzeug sowie Hybridfahrzeug
DE102010030346A1 (de) * 2010-06-22 2011-12-22 Zf Friedrichshafen Ag Verfahren zur Fahrbetriebssteuerung eines Kraftfahrzeugs
DE102011109039A1 (de) * 2011-07-30 2012-01-05 Daimler Ag Verfahren zum Betrieb eines Fahrzeuges
WO2012169962A1 (fr) * 2011-06-10 2012-12-13 Scania Cv Ab Procédé et système pour un véhicule
WO2014003655A1 (fr) * 2012-06-27 2014-01-03 Scania Cv Ab Système de commande de transmission

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009014352B4 (de) * 2009-03-21 2024-03-21 Mercedes-Benz Group AG Verfahren zur Schwungnutzung mittels Ausrollen
DE102012213321A1 (de) * 2012-07-30 2014-01-30 Robert Bosch Gmbh Verfahren und Vorrichtung zum Betreiben eines Fahrzeugs

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008015046A1 (de) * 2007-03-20 2008-09-25 Continental Teves Ag & Co. Ohg Verfahren und Vorrichtung zur prädiktiven Steuerung und/oder Regelung eines Hybridantriebs in einem Kraftfahrzeug sowie Hybridfahrzeug
DE102010030346A1 (de) * 2010-06-22 2011-12-22 Zf Friedrichshafen Ag Verfahren zur Fahrbetriebssteuerung eines Kraftfahrzeugs
WO2012169962A1 (fr) * 2011-06-10 2012-12-13 Scania Cv Ab Procédé et système pour un véhicule
DE102011109039A1 (de) * 2011-07-30 2012-01-05 Daimler Ag Verfahren zum Betrieb eines Fahrzeuges
WO2014003655A1 (fr) * 2012-06-27 2014-01-03 Scania Cv Ab Système de commande de transmission

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