EP1536970A2 - Drive train and method for controlling and/or regulating a drive train - Google Patents

Drive train and method for controlling and/or regulating a drive train

Info

Publication number
EP1536970A2
EP1536970A2 EP03794804A EP03794804A EP1536970A2 EP 1536970 A2 EP1536970 A2 EP 1536970A2 EP 03794804 A EP03794804 A EP 03794804A EP 03794804 A EP03794804 A EP 03794804A EP 1536970 A2 EP1536970 A2 EP 1536970A2
Authority
EP
European Patent Office
Prior art keywords
transmission
driver
engine
control
transmission control
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Withdrawn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
EP03794804A
Other languages
German (de)
French (fr)
Inventor
Reinhard Berger
Robert Fischer
Wolfgang Reik
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.)
Schaeffler Buehl Verwaltungs GmbH
LuK Lamellen und Kupplungsbau GmbH
Original Assignee
LuK Lamellen und Kupplungsbau Beteiligungs KG
LuK Lamellen und Kupplungsbau 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 LuK Lamellen und Kupplungsbau Beteiligungs KG, LuK Lamellen und Kupplungsbau GmbH filed Critical LuK Lamellen und Kupplungsbau Beteiligungs KG
Publication of EP1536970A2 publication Critical patent/EP1536970A2/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
    • B60K31/02—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically
    • B60K31/04—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of an electrical signal which is fed into the controlling means
    • B60K31/042—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of an electrical signal which is fed into the controlling means where at least one electrical quantity is set by the vehicle operator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/88—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
    • B60T8/885—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means using electrical circuitry
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B60W10/11—Stepped gearings
    • 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
    • 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
    • B60W30/1819—Propulsion control with control means using analogue circuits, relays or mechanical links
    • 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
    • B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
    • B60W30/1884—Avoiding stall or overspeed of the engine
    • 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
    • B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
    • B60W50/038—Limiting the input power, torque or speed
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/68—Inputs being a function of gearing status
    • F16H59/70—Inputs being a function of gearing status dependent on the ratio established
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/32—Electric motors actuators or related electrical control means therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/66—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings
    • F16H61/662—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members
    • F16H61/66272—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for continuously variable gearings with endless flexible members characterised by means for controlling the torque transmitting capability of the gearing
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2260/00—Interaction of vehicle brake system with other systems
    • B60T2260/08—Coordination of integrated systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/40—Failsafe aspects of brake control systems
    • B60T2270/413—Plausibility monitoring, cross check, redundancy
    • 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
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • 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
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/06—Combustion engines, Gas turbines
    • B60W2510/0638—Engine speed
    • 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
    • B60W2540/12—Brake 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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/06—Combustion engines, Gas turbines
    • B60W2710/0644—Engine speed
    • B60W2710/065—Idle condition
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H2061/0053—Initializing the parameters of the controller
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
    • F16H2061/1216—Display or indication of detected failures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1232—Bringing the control into a predefined state, e.g. giving priority to particular actuators or gear ratios
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
    • F16H2061/126—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is the controller
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
    • F16H2061/1288—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is an actuator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H2061/283—Adjustment or calibration of actuator positions, e.g. neutral position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2312/00—Driving activities
    • F16H2312/12—Parking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2312/00—Driving activities
    • F16H2312/16—Coming to a halt
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2312/00—Driving activities
    • F16H2312/20—Start-up or shut-down
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2342/00—Calibrating
    • F16H2342/04—Calibrating engagement of friction elements
    • F16H2342/042—Point of engagement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/0021—Generation or control of line pressure
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/11—Tripping mechanism

Definitions

  • the present invention relates to a method for controlling and / or regulating a drive train of a vehicle with an engine and a transmission, in particular an automated transmission, in which the transmission is controlled via a transmission control and the motor via a motor control. Furthermore, the invention relates to a drive train for a vehicle with an engine and a transmission, in particular an automated transmission, wherein a transmission control is provided for controlling the transmission and a motor control is provided for controlling the motor.
  • an automated transmission system such as. B. an automated manual transmission (ASG), an uninterruptible transmission (USG) or a double clutch transmission (DKG), dry clutches and electromotive actuations can preferably be used.
  • a major advantage of such a system is that in the event of an error, e.g. B. a power failure on the transmission control unit, the self-locking clutch actuator ensures the current clutch condition is maintained. The drivetrain thus transfers exactly the torque to the wheels that is requested at the time of the failure.
  • the present invention is based on the object of proposing a method for controlling and / or regulating a drive train of a vehicle and a drive train of the aforementioned types, in which in certain emergency situations the engine is stalled in order to avoid safety-critical situations.
  • This task can be accomplished through a method of controlling and / or regulating a
  • Throttling aid is activated.
  • Throttling support is suggested, which is preferred in case of persistent
  • Gearbox failure ensures that the engine stalls. In this way, safety-critical situations in a vehicle can be avoided and the driver can be prepared for a changed driving behavior, for example in the event of a transmission failure, and special driving maneuvers, such as. B. avoid overtaking.
  • the transmission control It is particularly advantageous if it is initially checked in the method according to the invention whether the transmission control has failed. If the transmission control has failed, it can then be checked whether the driver has requested a stop. If there is a driver request to stop, the engine control can activate the stalling aid. Accordingly, the internal combustion engine can be actively switched off by the engine control in the event of a failure of the clutch and / or transmission actuation if the driver obviously wishes to stop.
  • z. B. at least one emergency signal or the like can be sent to the engine control.
  • the driver's request to stop may e.g. B. can be recognized when the accelerator pedal is not actuated and at least one brake is actuated. It is also possible that the stop request is recognized by observing the engine speed. If, for example, the engine speed falls below a threshold value as a result of the drive train that can no longer be separated, a driver's request to stop can be recognized.
  • the idle speed or the like can be used.
  • a driver warning or the like can preferably be output.
  • the driver should be warned when the transmission is no longer operating normally, but is in the emergency operation program or has even failed completely. In response to this, the driver can then try to stop the vehicle at a suitable point and, for example, arrange for towing.
  • the driver warning can be based on the fact that either the transmission control unit, if it is still working, sends a corresponding signal to the driver information device, e.g. B. sends a display of the control unit or the like. It is also possible that some other control device, such as. B. the engine control, the ABS system, the display or the like, detects the failure of the transmission control unit and sends a corresponding signal to the driver information device.
  • the driver information device e.g. B. sends a display of the control unit or the like.
  • some other control device such as. B. the engine control, the ABS system, the display or the like, detects the failure of the transmission control unit and sends a corresponding signal to the driver information device.
  • the stalling aid in the method according to the invention for. B. are made possible by several implementation options in motor control. According to a training z. B. an immediate shutdown of the fuel supply and / or the ignition may be provided. It is also conceivable that the idle controller is switched off. This means a minimal fuel supply when the throttle valve is closed. Another further development of the present invention can provide that the throttle valve angle or also the fuel supply are limited in order to limit the idle controller.
  • the stall support can preferably be used in an electronic clutch management (EKM), an automated manual transmission (ASG), an uninterruptible manual transmission (USG), a double clutch transmission (DKG) or the like transmission system.
  • EKM electronic clutch management
  • ASG automated manual transmission
  • USB uninterruptible manual transmission
  • DKG double clutch transmission
  • the object on which the invention is based can be achieved by a drive train for a vehicle having an engine and a transmission, in particular a automated transmission, wherein a transmission control is provided for controlling the transmission and a motor control is provided for controlling the motor, in particular for
  • Carrying out the proposed method can be solved in which a stalling aid can be activated as a function of an emergency signal and a driver's request to stop.
  • the engine is switched off by the engine control, preferably in the event of a failure of the transmission control and if the driver wishes to stop, as part of the stalling aid.
  • FIG. 1 shows a flow diagram of a possible embodiment of a method according to the invention.
  • Figure 2 is a flowchart for recognizing an emergency operation of the transmission control in the context of the inventive method.
  • FIG. 1 shows an exemplary embodiment of the method according to the invention for controlling and / or regulating a drive train of a vehicle with an engine and an automated transmission using a flowchart.
  • the transmission is controlled via a transmission control and the motor via a motor control.
  • a stalling aid is activated as a function of an emergency signal and a driver's request to stop.
  • the transmission control fails, it is checked whether the driver has requested a stop.
  • the engine control system detects a driver's request to stop if the accelerator pedal is not operated and / or the brake is operated and / or the engine speed drops below a threshold value. at If the driver requests this, the stalling aid is activated by the engine control. If the clutch and / or transmission actuation fails, an emergency signal is sent to the engine control.
  • FIG. 2 also shows a flow chart which describes the detection of an emergency operation of the transmission control in the context of the method according to the invention.
  • it is checked whether the transmission control unit is in operation.
  • the transmission control unit is switched on, it is checked whether there is an emergency operation. If there is an emergency run, a driver warning is finally issued. If there is no emergency operation in the transmission control, the method according to the invention can be ended immediately.
  • Another control unit can be used to check whether the transmission control has been shut down and what is known as a transmission shutdown has been carried out.
  • a driver warning is issued when the transmission control is shut down.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Transmission Device (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Regulating Braking Force (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Braking Systems And Boosters (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Braking Arrangements (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)

Abstract

A series of diagrams contains inventive characteristics applicable alone or in combination.

Description

Antriebsstranq und Verfahren zum Steuern und/oder Regeln eines Drive train and method for controlling and / or regulating a
Antriebsstrangspowertrain
Die vorliegende Erfindung bezieht sich auf ein Verfahren zum Steuern und/oder Regeln eines Antriebsstrangs eines Fahrzeuges mit einem Motor und einem Getriebe, insbesondere einem automatisierten Getriebe, bei dem das Getriebe über eine Getriebesteuerung und der Motor über eine Motorsteuerung angesteuert wird. Ferner betrifft die Erfindung einen Antriebsstrang für ein Fahrzeug mit einem Motor und einem Getriebe, insbesondere einem automatisierten Getriebe, wobei zum Ansteuern des Getriebes eine Getriebesteuerung und zum Ansteuern des Motors eine Motorsteuerung vorgesehen ist.The present invention relates to a method for controlling and / or regulating a drive train of a vehicle with an engine and a transmission, in particular an automated transmission, in which the transmission is controlled via a transmission control and the motor via a motor control. Furthermore, the invention relates to a drive train for a vehicle with an engine and a transmission, in particular an automated transmission, wherein a transmission control is provided for controlling the transmission and a motor control is provided for controlling the motor.
Bei einem Antriebsstrang eines Fahrzeuges, insbesondere mit einem automatisierten Getriebesystem, wie z. B. einem automatisierten Schaltgetriebe (ASG), einem unterbrechungsfreien Getriebe (USG) oder einem Doppelkupplungsgetriebe (DKG), können vorzugsweise Trockenkupplungen und elektromotorische Betätigungen verwendet werden. Ein wesentlicher Vorteil eines derartigen Systems ist es, dass bei einem Fehler, z. B. einem Stromausfall am Getriebesteuergerät, die selbsthemmende Kupplungsaktorik ein Beibehalten des aktuellen Kupplungszustandes sicherstellt. Damit überträgt der Antriebsstrang genau das Moment auf die Räder, welches zum Zeitpunkt des Ausfalls angefordert wird.In a drive train of a vehicle, in particular with an automated transmission system, such as. B. an automated manual transmission (ASG), an uninterruptible transmission (USG) or a double clutch transmission (DKG), dry clutches and electromotive actuations can preferably be used. A major advantage of such a system is that in the event of an error, e.g. B. a power failure on the transmission control unit, the self-locking clutch actuator ensures the current clutch condition is maintained. The drivetrain thus transfers exactly the torque to the wheels that is requested at the time of the failure.
Falls der Fahrer jedoch das Fahrzeug mit geschlossenem Triebstrang bei einem Ausfall der Getriebebetätigung anhalten will, muss er den Motor mit Hilfe der Bremse abwürgen. Insbesondere bei leistungsstarken Motoren kann dies zu Problemen führen.However, if the driver wants to stop the vehicle with the drive train closed when the gearbox actuation fails, he must stall the engine using the brake. This can lead to problems, particularly with powerful engines.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Verfahren zum Steuern und/oder Regeln eines Antriebsstrangs eines Fahrzeuges und einen Antriebsstrang der eingangs genannten Gattungen vorzuschlagen, bei denen in bestimmten Notsituationen ein Abwürgen des Motors unterstützt wird, um sicherheitskritische Situationen zu vermeiden. Diese Aufgabe kann durch ein Verfahren zum Steuern und/oder Regeln einesThe present invention is based on the object of proposing a method for controlling and / or regulating a drive train of a vehicle and a drive train of the aforementioned types, in which in certain emergency situations the engine is stalled in order to avoid safety-critical situations. This task can be accomplished through a method of controlling and / or regulating a
Antriebsstrangs eines Fahrzeuges mit einem Motor und einem Getriebe, insbesondere einem automatisierten Getriebe, bei dem das Getriebe über eine Getriebesteuerung und der Motor über eine Motorsteuerung angesteuert wird, gelöst werden, bei dem inDrive train of a vehicle with an engine and a transmission, in particular an automated transmission, in which the transmission is controlled by a transmission control and the motor is controlled by an engine control, in which in
Abhängigkeit von einem Notsignal und einem Anhaltewunsch des Fahrers eineDependence on an emergency signal and a driver's request to stop
Abwürgehilfe aktiviert wird. Somit wird durch die vorliegende Erfindung eineThrottling aid is activated. Thus, by the present invention
Abwürgeunterstützung vorgeschlagen, welche bevorzugt bei anhaltendemThrottling support is suggested, which is preferred in case of persistent
Getriebeausfall ein Abwürgen des Motors sicherstellt. Auf diese Weise können sicherheitskritische Situationen bei einem Fahrzeug vermieden werden und der Fahrer kann auf ein verändertes Fahrverhalten beispielsweise bei einem Getriebeausfall vorbereitet werden und spezielle Fahrmanöver, wie z. B. ein Überholen, vermeiden.Gearbox failure ensures that the engine stalls. In this way, safety-critical situations in a vehicle can be avoided and the driver can be prepared for a changed driving behavior, for example in the event of a transmission failure, and special driving maneuvers, such as. B. avoid overtaking.
Besonders vorteilhaft ist es, wenn bei dem erfindungsgemäßen Verfahren zu Beginn geprüft wird, ob die Getriebesteuerung ausgefallen ist. Danach kann bei ausgefallener Getriebesteuerung geprüft werden, ob ein Anhaltewunsch des Fahrers vorliegt. Wenn ein Fahrerwunsch zum Anhalten vorliegt, kann die Motorsteuerung die Abwürgehilfe aktivieren. Demzufolge kann der Verbrennungsmotor bei einem Ausfall der Kupplungsund/oder Getriebebetätigung bei offensichtlichem Anhaltewunsch des Fahrers durch die Motorsteuerung aktiv abgeschaltet werden.It is particularly advantageous if it is initially checked in the method according to the invention whether the transmission control has failed. If the transmission control has failed, it can then be checked whether the driver has requested a stop. If there is a driver request to stop, the engine control can activate the stalling aid. Accordingly, the internal combustion engine can be actively switched off by the engine control in the event of a failure of the clutch and / or transmission actuation if the driver obviously wishes to stop.
Um einen Ausfall der Kupplungs- und/oder Getriebebetätigung zu erkennen, kann z. B. zumindest ein Notsignal oder dergleichen an die Motorsteuerung gesendet werden. Der Anhaltewunsch des Fahrers kann z. B. erkannt werden, wenn das Gaspedal unbetätigt ist und zudem wenigstens eine Bremse betätigt wird. Es ist auch möglich, dass der Anhaltewunsch erkannt wird, indem die Motordrehzahl beobachtet wird. Wenn beispielsweise die Motordrehzahl infolge des nicht mehr zu trennenden Antriebsstrangs unter einen Schwellenwert fällt, kann ein Anhaltewunsch des Fahrers erkannt werden. Gemäß einer vorteilhaften Weiterbildung der Erfindung kann als Schwellenwert z. B. die Leerlaufdrehzahl oder dergleichen verwendet werden.To detect a failure of the clutch and / or transmission actuation, z. B. at least one emergency signal or the like can be sent to the engine control. The driver's request to stop may e.g. B. can be recognized when the accelerator pedal is not actuated and at least one brake is actuated. It is also possible that the stop request is recognized by observing the engine speed. If, for example, the engine speed falls below a threshold value as a result of the drive train that can no longer be separated, a driver's request to stop can be recognized. According to an advantageous development of the invention, z. B. the idle speed or the like can be used.
Im Rahmen einer nächsten Ausgestaltung der Erfindung kann vorgesehen sein, dass bei einem möglichen Ausfall der Getriebesteuerung geprüft wird, ob das Getriebesteuergerät in Betrieb ist. Bei eingeschaltetem Getriebesteuergerät kann dann geprüft werden, ob ein Notlauf vorliegt und bei Vorliegen eines Notlaufs kann vorzugsweise eine Fahrerwarnung oder dergleichen ausgegeben werden. Denn zunächst sollte der Fahrer gewarnt werden, wenn das Getriebe nicht mehr normal operiert, sondern sich im Notlaufprogramm befindet oder sogar ganz ausgefallen ist. Als Reaktion darauf kann dann der Fahrer versuchen, das Fahrzeug an einer geeigneten Stelle anzuhalten und beispielsweise ein Abschleppen zu veranlassen.In a next embodiment of the invention it can be provided that in the event of a possible failure of the transmission control, it is checked whether the transmission control device is in operation. With the gearbox control unit switched on, it can then it is checked whether there is an emergency run and if an emergency run is present, a driver warning or the like can preferably be output. First of all, the driver should be warned when the transmission is no longer operating normally, but is in the emergency operation program or has even failed completely. In response to this, the driver can then try to stop the vehicle at a suitable point and, for example, arrange for towing.
Die Fahrerwarnung kann darauf basieren, dass entweder das Getriebesteuergerät, sofern es noch arbeitet, ein entsprechendes Signal an die Fahrerinformationseinrichtung z. B. einem Display des Steuergeräts oder dergleichen sendet. Es ist auch möglich, dass irgendein anderes Steuergerät, wie z. B. die Motorsteuerung, das ABS-System, das Display oder dergleichen, den Ausfall des Getriebesteuergerätes detektiert und ein entsprechendes Signal an die Fahrerinformationseinrichtung sendet.The driver warning can be based on the fact that either the transmission control unit, if it is still working, sends a corresponding signal to the driver information device, e.g. B. sends a display of the control unit or the like. It is also possible that some other control device, such as. B. the engine control, the ABS system, the display or the like, detects the failure of the transmission control unit and sends a corresponding signal to the driver information device.
Die Abwürgehilfe kann bei dem erfindungsgemäßen Verfahren z. B. durch mehrere Realisierungsmöglichkeiten bei der Motorsteuerung ermöglicht werden. Gemäß einer Weiterbildung kann z. B. ein sofortiges Abschalten der Kraftstoffzufuhr und/oder der Zündung vorgesehen sein. Es ist auch denkbar, dass der Leerlaufregler abgeschaltet wird. Dies bedeutet eine minimale Kraftstoffzufuhr bei geschlossener Drosselklappe. Eine andere Weiterbildung der vorliegenden Erfindung kann vorsehen, dass der Drosselklappenwinkel oder auch die Kraftstoffzufuhr limitiert werden, um dadurch den Leerlaufregler zu begrenzen.The stalling aid in the method according to the invention, for. B. are made possible by several implementation options in motor control. According to a training z. B. an immediate shutdown of the fuel supply and / or the ignition may be provided. It is also conceivable that the idle controller is switched off. This means a minimal fuel supply when the throttle valve is closed. Another further development of the present invention can provide that the throttle valve angle or also the fuel supply are limited in order to limit the idle controller.
Die vorgeschlagenen Realisierungsmöglichkeiten können beliebig miteinander kombiniert und auch durch andere Realisierungsmöglichkeiten ergänzt werden.The proposed implementation options can be combined with one another as desired and also supplemented with other implementation options.
Die Abwürgeunterstützung kann bevorzugt bei einem elektronischen Kupplungsmanagement (EKM), einem automatisierten Schaltgetriebe (ASG), einem unterbrechungsfreien Schaltgetriebe (USG), einem Doppelkupplungsgetriebe (DKG) oder dergleichen Getriebesystem zum Einsatz kommen.The stall support can preferably be used in an electronic clutch management (EKM), an automated manual transmission (ASG), an uninterruptible manual transmission (USG), a double clutch transmission (DKG) or the like transmission system.
Ferner kann die der Erfindung zugrunde liegende Aufgabe durch einen Antriebsstrang für ein Fahrzeug mit einem Motor und einem Getriebe, insbesondere einem automatisierten Getriebe, wobei zum Ansteuern des Getriebes eine Getriebesteuerung und zum Ansteuern des Motors eine Motorsteuerung vorgesehen ist, insbesondere zumFurthermore, the object on which the invention is based can be achieved by a drive train for a vehicle having an engine and a transmission, in particular a automated transmission, wherein a transmission control is provided for controlling the transmission and a motor control is provided for controlling the motor, in particular for
Durchführen des vorgeschlagenen Verfahrens, gelöst werden, bei dem in Abhängigkeit von einem Notsignal und einem Anhaltewunsch des Fahrers eine Abwürgehilfe aktivierbar ist.Carrying out the proposed method can be solved in which a stalling aid can be activated as a function of an emergency signal and a driver's request to stop.
Bei dem erfindungsgemäßen Antriebsstrang kann im Rahmen einer Ausgestaltung der Erfindung vorgesehen sein, dass der Motor durch die Motorsteuerung vorzugsweise bei einem Ausfall der Getriebesteuerung und bei vorliegendem Anhaltewunsch des Fahrers im Rahmen der Abwürgehilfe abschaltet wird.In the drive train according to the invention, it can be provided within the scope of an embodiment of the invention that the engine is switched off by the engine control, preferably in the event of a failure of the transmission control and if the driver wishes to stop, as part of the stalling aid.
Weitere Vorteile und vorteilhafte Ausgestaltungen ergeben sich aus den Unteransprüchen und den nachfolgend beschriebenen Zeichnungen. Es zeigen:Further advantages and advantageous configurations result from the subclaims and the drawings described below. Show it:
Figur 1 ein Flussdiagramm einer möglichen Ausgestaltung eines erfindungsgemäßen Verfahrens; undFIG. 1 shows a flow diagram of a possible embodiment of a method according to the invention; and
Figur 2 ein Flussdiagramm zum Erkennen eines Notlaufs der Getriebesteuerung im Rahmen des erfindungsgemäßen Verfahrens.Figure 2 is a flowchart for recognizing an emergency operation of the transmission control in the context of the inventive method.
In Figur 1 ist anhand eines Flussdiagramms ein Ausführungsbeispiel des erfindungsgemäßen Verfahrens zum Steuern und/oder Regeln eines Antriebsstrangs eines Fahrzeuges mit einem Motor und einem automatisierten Getriebe dargestellt. Bei dem Verfahren wird das Getriebe über eine Getriebesteuerung und den Motor über eine Motorsteuerung gesteuert.FIG. 1 shows an exemplary embodiment of the method according to the invention for controlling and / or regulating a drive train of a vehicle with an engine and an automated transmission using a flowchart. In the method, the transmission is controlled via a transmission control and the motor via a motor control.
Erfindungsgemäß wird in Abhängigkeit von einem Notsignal und einem Anhaltewunsch des Fahrers eine Abwürgehilfe aktiviert. Zu Beginn wird geprüft, ob die Getriebesteuerung ausgefallen ist. Bei ausgefallener Getriebesteuerung wird geprüft, ob ein Anhaltewunsch des Fahrers vorliegt. Ein Anhaltewunsch des Fahrers wird durch die Motorsteuerung erkannt, wenn das Fahrpedal nicht betätigt wird und/oder die Bremse betätigt wird und/oder die Motordrehzahl unterhalb eines Schwellenwerts sinkt. Bei vorliegendem Fahrerwunsch wird die Abwürgehilfe durch die Motorsteuerung aktiviert. Bei einem Ausfall der Kupplungs- und/oder Getriebebetätigung wird ein Notsignal an die Motorsteuerung gesendet.According to the invention, a stalling aid is activated as a function of an emergency signal and a driver's request to stop. At the beginning it is checked whether the transmission control has failed. If the transmission control fails, it is checked whether the driver has requested a stop. The engine control system detects a driver's request to stop if the accelerator pedal is not operated and / or the brake is operated and / or the engine speed drops below a threshold value. at If the driver requests this, the stalling aid is activated by the engine control. If the clutch and / or transmission actuation fails, an emergency signal is sent to the engine control.
In Figur 2 ist auch ein Flussdiagramm dargestellt, welches ein Erkennen eines Notlaufs der Getriebesteuerung im Rahmen des erfindungsgemäßen Verfahrens beschreibt. Bei einem möglichen Ausfall der Getriebesteuerung wird geprüft, ob das Getriebesteuergerät in Betrieb ist. Bei eingeschaltetem Getriebesteuergerät wird geprüft, ob ein Notlauf vorliegt. Bei Vorliegen eines Notlaufs wird schließlich eine Fahrerwarnung ausgegeben. Wenn kein Notlauf bei der Getriebesteuerung vorliegt, kann das erfindungsgemäße Verfahren sofort beendet werden.FIG. 2 also shows a flow chart which describes the detection of an emergency operation of the transmission control in the context of the method according to the invention. In the event of a possible failure of the transmission control, it is checked whether the transmission control unit is in operation. When the transmission control unit is switched on, it is checked whether there is an emergency operation. If there is an emergency run, a driver warning is finally issued. If there is no emergency operation in the transmission control, the method according to the invention can be ended immediately.
Bei ausgeschaltetem Getriebesteuergerät kann mit einem anderen Steuergerät geprüft werden, ob die Getriebesteuerung heruntergefahren und ein sogenannter Getriebe-shut- down durchgeführt worden ist. Bei heruntergefahrener Getriebesteuerung wird eine Fahrerwarnung ausgegeben. When the transmission control unit is switched off, another control unit can be used to check whether the transmission control has been shut down and what is known as a transmission shutdown has been carried out. A driver warning is issued when the transmission control is shut down.

Claims

Patentansprüche claims
1. Verfahren zum Steuern und/oder Regeln eines Antriebsstrangs eines Fahrzeuges mit einem Motor und einem Getriebe, insbesondere einem automatisierten Getriebe, bei dem das Getriebe über eine Getriebesteuerung und der Motor über eine Motorsteuerung angesteuert wird, dadurch gekennzeichnet, dass in Abhängigkeit von einem Notsignal und einem Anhaltewunsch des Fahrers eine Abwürgehilfe aktiviert wird.1. A method for controlling and / or regulating a drive train of a vehicle with an engine and a transmission, in particular an automated transmission, in which the transmission is controlled via a transmission control and the motor via a motor control, characterized in that as a function of an emergency signal and a stalling aid is activated upon the driver's request to stop.
2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass zu Beginn geprüft wird, ob die Getriebesteuerung ausgefallen ist, dass bei ausgefallener Getriebesteuerung geprüft wird, ob ein Anhaltewunsch des Fahrers vorliegt, und dass die Motorsteuerung bei vorliegendem Fahrerwunsch die Abwürgehilfe aktiviert.2. The method according to claim 1, characterized in that it is checked at the beginning whether the transmission control has failed, that if the transmission control has failed it is checked whether the driver wishes to stop, and that the engine control activates the stalling aid when the driver wishes to do so.
3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass bei einem Ausfall der Kupplungs- und/oder Getriebebetätigung zumindest ein Notsignal an die Motorsteuerung gesendet wird.3. The method according to claim 1 or 2, characterized in that in the event of a failure of the clutch and / or transmission actuation at least one emergency signal is sent to the engine control.
4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Anhaltewunsch des Fahrers durch die Motorsteuerung erkannt wird, wenn das Fahrpedal nicht betätigt wird und/oder die Bremse betätigt wird und/oder die Motordrehzahl unterhalb eines Schwellenwerts sinkt.4. The method according to any one of claims 1 to 3, characterized in that the driver's desire to stop is recognized by the engine control when the accelerator pedal is not operated and / or the brake is operated and / or the engine speed drops below a threshold value.
5. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass als Schwellenwert die Leerlaufdrehzahl verwendet wird.5. The method according to claim 4, characterized in that the idle speed is used as a threshold.
6. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass bei einem Ausfall der Getriebesteuerung geprüft wird, ob das Getriebesteuergerät in Betrieb ist, dass bei eingeschaltetem Getriebesteuergerät geprüft wird, ob ein Notlauf vorliegt und dass bei Vorliegen eines Notlaufs eine Fahrerwarnung ausgegeben wird. 6. The method according to any one of the preceding claims, characterized in that in the event of a failure of the transmission control it is checked whether the transmission control unit is in operation, that when the transmission control unit is switched on it is checked whether an emergency operation is present and that a driver warning is output when an emergency operation is present.
7. Verfahren nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass bei ausgeschaltetem Getriebesteuergerät mit einem anderen Steuergerät geprüft wird, ob die Getriebesteuerung heruntergefahren worden ist, und dass bei heruntergefahrener Getriebesteuerung eine Fahrerwarnung ausgegeben wird.7. The method according to claim 5 or 6, characterized in that when the transmission control unit is switched off, another control unit is used to check whether the transmission control has been shut down and that a driver warning is output when the transmission control unit is shut down.
8. Verfahren nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass als Fahrerwarnung ein entsprechendes Signal an eine Fahrerinformationseinrichtung gesendet wird.8. The method according to claim 6 or 7, characterized in that a corresponding signal is sent to a driver information device as a driver warning.
9. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass durch die Motorsteuerung bei aktivierter Abwürgehilfe sofort die Kraftstoffzufuhr und/oder die Zündung abgeschaltet wird.9. The method according to any one of the preceding claims, characterized in that the fuel supply and / or the ignition is switched off immediately by the engine control with activated stalling aid.
10. Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass durch die Motorsteuerung bei aktivierter Abwürgehilfe der Leerlaufregler abgeschaltet wird.10. The method according to any one of the preceding claims, characterized in that the idle controller is switched off by the engine control with activated stalling aid.
11.Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass durch die Motorsteuerung bei aktivierter Abwürgehilfe der Drosselklappenwinkel und/oder die Kraftstoffzufuhr limitiert wird, um den Leerlaufregler zu begrenzen.11. The method according to any one of the preceding claims, characterized in that the throttle valve angle and / or the fuel supply is limited by the engine control with activated stalling aid in order to limit the idle controller.
12. Antriebsstrang für ein Fahrzeug mit einem Motor und einem Getriebe, insbesondere einem automatisierten Getriebe, wobei zum Ansteuern des Getriebes eine Getriebesteuerung und zum Ansteuern des Motors eine Motorsteuerung vorgesehen ist, insbesondere zum Durchführen des Verfahrens nach einem der Ansprüche 1 bis 11 , dadurch gekennzeichnet, dass in Abhängigkeit von einem Notsignal und einem Anhaltewunsch des Fahrers eine Abwürgehilfe aktivierbar ist.12. Drivetrain for a vehicle with an engine and a transmission, in particular an automated transmission, wherein a transmission control is provided for controlling the transmission and a motor control is provided for controlling the motor, in particular for carrying out the method according to one of claims 1 to 11, characterized that a stalling aid can be activated depending on an emergency signal and a driver's request to stop.
13. Antriebsstrang nach Anspruch 12, dadurch gekennzeichnet, dass bei einem Ausfall der Getriebesteuerung und bei vorliegendem Anhaltewunsch des Fahrers der Motor durch die Motorsteuerung abschaltbar ist. 13. The drive train according to claim 12, characterized in that in the event of a failure of the transmission control and in the event that the driver wishes to stop, the engine can be switched off by the engine control.
EP03794804A 2002-09-04 2003-09-03 Drive train and method for controlling and/or regulating a drive train Withdrawn EP1536970A2 (en)

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DE10240841 2002-09-04
DE10240841 2002-09-04
PCT/DE2003/002910 WO2004024489A2 (en) 2002-09-04 2003-09-03 Drive train and method for controlling and/or regulating a drive train

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EP03794804A Withdrawn EP1536970A2 (en) 2002-09-04 2003-09-03 Drive train and method for controlling and/or regulating a drive train
EP03794807A Expired - Lifetime EP1537344B1 (en) 2002-09-04 2003-09-03 Method and device for carrying out a skid control for a stepless gearbox

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AU2003266191A1 (en) 2004-04-30
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CN1678849A (en) 2005-10-05
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US7258636B2 (en) 2007-08-21
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EP1537344B1 (en) 2008-03-26
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US20050189816A1 (en) 2005-09-01
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US20050209047A1 (en) 2005-09-22
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WO2004024489A2 (en) 2004-03-25
DE10392777D2 (en) 2005-03-03

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