EP3589520A1 - Einstellen einer drehmomentverteilung zwischen rädern einer achse eines kraftfahrzeugs durch betätigen einer bedieneinheit - Google Patents
Einstellen einer drehmomentverteilung zwischen rädern einer achse eines kraftfahrzeugs durch betätigen einer bedieneinheitInfo
- Publication number
- EP3589520A1 EP3589520A1 EP18705871.4A EP18705871A EP3589520A1 EP 3589520 A1 EP3589520 A1 EP 3589520A1 EP 18705871 A EP18705871 A EP 18705871A EP 3589520 A1 EP3589520 A1 EP 3589520A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor vehicle
- torque distribution
- actuation
- wheel
- detected
- 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.)
- Ceased
Links
Classifications
-
- 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
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
-
- 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
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- 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
- B60W10/12—Conjoint control of vehicle sub-units of different type or different function including control of differentials
- B60W10/16—Axle differentials, e.g. for dividing torque between left and right wheels
-
- 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
- B60W30/18145—Cornering
-
- 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
- B60W50/08—Interaction between the driver and the control system
- B60W50/082—Selecting or switching between different modes of propelling
-
- 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
- B60T2220/00—Monitoring, detecting driver behaviour; Signalling thereof; Counteracting thereof
- B60T2220/02—Driver type; Driving style; Driver adaptive features
-
- 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
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
- B60W10/184—Conjoint control of vehicle sub-units of different type or different function including control of braking systems with wheel brakes
-
- 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
- B60W2540/18—Steering angle
-
- 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
- B60W2540/215—Selection or confirmation of options
-
- 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
- B60W2720/40—Torque distribution
- B60W2720/406—Torque distribution between left and right wheel
-
- 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
- B60W30/02—Control of vehicle driving stability
- B60W30/045—Improving turning performance
Definitions
- the invention relates to a method for operating a motor vehicle, in which an active influencing of the yaw angle is performed by an uneven torque distribution at the wheels of at least one axis.
- the invention also relates to a control unit and a motor vehicle.
- DE 10 2014 225 490 A1 provides a vehicle control method in which engine torque control and braking force control are interplayed when a vehicle is slipping.
- a torque is distributed via a differential mechanism to a left wheel and a right wheel. For example, an uneven torque distribution between the two wheels is made possible.
- the intervention in the torque distribution of the motor vehicle always happens automatically. That means for one Driver of the motor vehicle can be given no opportunity to influence the intervention in the torque distribution.
- DE 1 1 2010 003 590 T5 provides a system for the dynamic control of a vehicle.
- a first input device is configured to set a first set of adjustable subsystems that affect the performance of the powertrain of the vehicle.
- a second input device is configured to set a second set of adjustable subsystems that affect the handling of the vehicle.
- a vehicle having a stability control system which monitors yaw motions of the vehicle by means of a yaw sensor and operates brakes in response thereto.
- a first aspect of the invention relates to a method for operating a motor vehicle, in which an active influencing of the yaw angle of the motor vehicle is achieved by setting a nonuniform torque distribution on a left wheel and a right wheel of at least one axis of the motor vehicle.
- a different torque is set in each case for the left wheel and the right wheel of the at least one axis.
- a larger torque is set for the left wheel than for the right wheel.
- a larger torque is set for the right wheel than for the left wheel.
- it will turn on two or more axles of the motor vehicle set a non-uniform torque distribution on a left wheel and a right wheel of the respective axis.
- the torque that is set for a particular wheel in the context of this invention refers to the torque that is transmitted from the respective wheel to the road.
- the torque may be directly proportional to a propulsion force generated by the wheel.
- the Torque may be composed of a drive torque at the respective wheel and a braking torque at the respective wheel.
- the drive torque is transmitted in particular by the drive train to the respective wheel.
- the drive torque can be generated by a respective wheel drive, for example a wheel hub motor, which is preferably designed as an electric motor, directly on the wheel.
- the left wheel of the axle and the right wheel of the axle preferably have a respective wheel drive.
- the braking torque is generated in particular by a respective brake unit, which may in particular be part of a service brake system of the motor vehicle, on the wheel.
- the torque distribution refers to the ratio between the torque on the left wheel of the axle and the torque on the right wheel of the axle.
- the left wheel and the right wheel may each comprise a tire, which is preferably at least partially made of rubber.
- the torque is transmitted from the respective wheel, preferably the respective tire, to a ground on which the motor vehicle is located, preferably a road.
- a steering of the motor vehicle is supported by the uneven torque distribution.
- the left wheel and the right wheel are arranged steerably on the motor vehicle.
- the wheels of the steerable axle can be turned to steer the motor vehicle.
- a steering angle of the wheels in particular in a plane parallel to the ground on which the motor vehicle is located, can be adjusted.
- the yawing of the motor vehicle is aided by the uneven torque distribution due to the steering angle of the wheels of the steerable axle.
- the steering angle of the wheels of the steerable axle is preferably controlled by means of a steering wheel of the motor vehicle.
- an actuation of an operating unit of the motor vehicle is detected, the uneven torque distribution is set as a function of the detected actuation and the uneven torque distribution only so long is maintained as the operation of the control unit is detected.
- the operation of the control unit is in particular just then, while a user, preferably the driver, interacts with the operating unit.
- the actuation of the operating unit is present exactly when an operating element of the operating unit is subjected to an external force, which in particular is caused by no component of the motor vehicle.
- the operating unit is operated by the driver of the motor vehicle.
- the uneven torque distribution in particular as a function of the detected actuation, is set precisely when the actuation of the operating unit is detected.
- the uneven torque distribution is set to a predetermined value at a time when the operation of the operation unit is detected.
- the torque distribution is set to a predetermined ratio between the torque on the left wheel of the axle and the torque on the right wheel of the axle.
- a predetermined difference between the torque on the left wheel and the torque on the right wheel is adjusted.
- the torque at the left wheel may differ from the torque at the right wheel by a predetermined difference value.
- the uneven torque distribution which is set as a function of the detected actuation of the operating unit, is preferably maintained only as long as the operating unit is actuated.
- the operating unit comprises a push button.
- the operation may be detected, for example, just when the button is printed.
- the uneven torque distribution which is adjusted depending on the detected operation of the operating unit, can be set precisely while the push button is applied with a force or the push button is in a depressed state.
- the torque distribution can be set automatically.
- the uneven torque distribution which is adjusted depending on the detected operation of the operating unit, superimposed on a method for automatic torque distribution from the prior art.
- the torque distribution can be adjusted in addition depending on a driving situation in which the motor vehicle is located.
- the driving situation is determined, for example, by a yaw rate of the motor vehicle.
- a steering angle of the motor vehicle, a speed or an acceleration in particular longitudinally and / or transversely to the direction of travel of the motor vehicle described.
- it is therefore provided to determine the yaw rate, the steering angle, the speed or the acceleration.
- the yaw rate describes a change over time of the yaw angle and / or an angular velocity of the motor vehicle about a vehicle vertical axis.
- An embodiment of the present method provides that the uneven torque distribution is set exclusively as a function of the detected actuation of the operating unit. In other words, no automatic intervention in the torque distribution is provided in this embodiment. Thus, the control over the torque distribution in this case can be exercised exclusively via the operating unit.
- the present method is used in particular in a motor vehicle, preferably in a passenger car.
- the passenger car may be a sporty passenger car, in particular a sports car or a heavily motorized passenger car, in particular with an engine output of more than 200 hp, 300 hp, 400 hp or 500 hp.
- the motor vehicle in particular the passenger car, in particular the sports passenger cars, it is thus the driver allows better control of the torque distribution to the two wheels of the at least one axis compared to the prior art.
- the driving pleasure can be increased by the present method.
- a particularly dynamic driving operation can be made possible.
- the uneven torque distribution is set only in a predetermined operating mode of the motor vehicle.
- the motor vehicle has further operating modes in which the actuation of the operating unit remains in the direction without sequence for the torque distribution.
- the torque distribution in the further operating modes of the motor vehicle is not set as a function of the actuation of the operating unit.
- the uneven torque distribution the left and right wheels of the at least one axis is set automatically.
- a plurality of different predetermined operating modes in which the uneven torque distribution is set as a function of the actuation of the operating unit.
- a particularly sporty characteristic for the motor vehicle can be set compared with the other operating modes.
- the driver of the motor vehicle can take control of the torque distribution only in the predetermined operating mode.
- the uneven torque distribution is adjusted only during cornering of the motor vehicle. For example, setting the uneven torque distribution as a function of the detected actuation of the operating unit is only possible if the cornering of the motor vehicle already exists. In particular, it can be ensured in this way that the steering of the motor vehicle is only supported by the uneven torque distribution. In other words, a turning of the motor vehicle can be prevented only due to the uneven torque distribution.
- the cornering of the motor vehicle is determined based on the steering angle or the acceleration of the motor vehicle transversely to the direction of travel.
- the adjustment of the uneven torque distribution in dependence on the detected actuation of the operating unit is made possible only when the wheels of the steerable axle are hammered.
- the setting of the uneven torque distribution as a function of the detected actuation of the operating unit is made possible only if a steering column and / or the steering wheel deviates from a zero position in which a straight-ahead driving of the motor vehicle is predetermined.
- a development provides that the uneven torque distribution is set by unequal braking of the left wheel and the right wheel. For example, a drive torque of the same amount is transmitted to the left wheel and the right wheel.
- unequal braking of the left wheel and the right wheel and / or by generating an unequal brake torque on the left wheel and the right wheel a different torque can be set on the left wheel and the right wheel.
- the torque of a respective wheel from the difference of the drive torque and the respective braking torque.
- the uneven torque distribution can be set particularly easily, since preferably only one control ng of respective brakes for adjusting the uneven torque distribution is necessary.
- a development of the invention provides that the uneven torque distribution is adjusted by unequal distribution of engine power to the two wheels.
- the engine power is unevenly distributed from an engine of the motor vehicle through a differential and / or an arrangement of clutches on the two wheels.
- each of the two wheels a separate motor, in particular the wheel drive, be assigned.
- the unequal distribution of the engine power to the two wheels can be performed in this case by different driving the separate motors.
- the separate motors are driven such that they generate a respective torque of different magnitude.
- the separate motors are wheel hub motors, which are designed in particular as electric motors.
- a further embodiment provides that upon actuation of the operating unit, an actuating force is detected and the torque distribution between the two wheels is set the more unequal, the greater the detected operating force.
- inequality of the torque distribution between the wheels can be adjusted depending on the operating force in the operation of the operating unit.
- the actuating force in particular the force is detected, with which the operating element of the operating unit is acted upon.
- the actuation force is the force with which the user, in particular the driver, actuates the operating unit.
- the actuation force can be measured by a dynamometer.
- the larger the operating force the more unequal the ratio between the torque on the left wheel and the torque on the right wheel is set. In this way, the manual controllability of the torque distribution between the wheels can be further increased.
- a further embodiment provides that upon actuation of the operating unit an operating path is detected and the torque distribution between the two wheels is set the more unequal, the greater the detected operating away is.
- inequality of the torque distribution between the wheels can be adjusted depending on the operation travel in the operation of the operation unit.
- a deflection and / or a stroke of the operating unit during actuation is detected as the actuation path.
- the actuation path is a path length about which the user, in particular the driver, deflects the operating element of the operating unit.
- the actuation path can be measured on the operating unit by a measuring unit.
- the larger the actuation travel the more unequal the ratio between the torque at the left wheel and the torque at the right wheel is set. In this way, the manual controllability of the torque distribution between the wheels by the user can be further increased.
- the operating unit comprises a left hand arranged on the steering wheel of the first control element and a right arranged on the steering wheel second control element and the uneven torque distribution depending on whether the first control element or the second control element is operated is set.
- the torque on the left wheel is set to a larger value than the torque on the right wheel when the second operating element is operated.
- the torque on the right wheel is set to a larger value than the torque on the left wheel when the first operating element is operated.
- the above-mentioned assignment of the controls may be reversed. In this way, the manual controllability of the torque distribution between the wheels by the user can be further increased.
- a targeted turning of the motor vehicle based on the uneven torque distribution between the wheels is possible.
- the targeted turning of the motor vehicle on the basis of the uneven torque distribution in this way can already take place before a steering angle of the steering wheel.
- a second aspect of the invention relates to a control unit for controlling a drive train of a motor vehicle.
- the control unit is an active influencing the yaw angle of the motor vehicle vorappelbar.
- the control unit is designed to set an uneven torque distribution on a left wheel and a right wheel of at least one axle of the motor vehicle. For example, adjusting the uneven torque distribution by the control unit by means of a control signal.
- an actuator is configured to set a torque for the left wheel and a torque for the right wheel based on the control signal from the control unit to a respective value.
- the actuator may include a braking device with respective brakes for the left wheel and the right wheel.
- the actuator may alternatively or additionally include a differential gear and / or respective clutches for distributing the engine power to the left and right wheels.
- the control unit is set up to detect actuation of an operating unit of the motor vehicle, to adjust the uneven torque distribution as a function of the detected actuation and to maintain it only as long as the actuation of the operating unit is detected.
- the control unit is set up to detect the actuation of the operating unit of the motor vehicle by receiving an actuation signal from the operating unit.
- the control unit is adapted to output the control signal in response to the actuation signal.
- a third aspect of the invention relates to a motor vehicle with the above-mentioned control unit and with an operating unit, which is designed to transmit an actuating signal to the control unit.
- the control unit is adapted to adjust the uneven torque distribution in response to the actuation signal.
- the motor vehicle is in particular a motor vehicle, preferably a passenger car.
- the passenger car may be a sports cars, in particular a sports car or a heavily motorized passenger cars, in particular with an engine power of more than 200 hp, 300 hp, 400 hp or 500 hp act.
- Fig. 2 is a schematic front view of a steering wheel for a motor vehicle with an operating unit.
- the described components of the embodiments each represent individual features of the invention, which are to be considered independently of one another, which each further develop the invention independently of one another and thus also individually or in a different combination than the one shown as part of the invention. Furthermore, the described embodiments can also be supplemented by further features of the invention already described.
- the motor vehicle 4 has in the present case a left wheel 21 and a right wheel 22 on a front axle 20 and a left wheel 1 1 and a right wheel 12 on a rear axle 10.
- the motor vehicle 4 has a drive system 5 which in the present case provides four-wheel drive for the motor vehicle 4.
- both the front axle 20 and the rear axle 10 of the motor vehicle 4 is driven.
- an engine power of an engine of the motor vehicle 4 is transmitted to the driven wheels, in this case the left wheel 1 1, the left wheel 21, the right wheel 12 and the right wheel 22.
- a respective drive torque is generated at each of the wheels.
- an actuating unit 51 is arranged on the front axle 20.
- an actuating unit 50 is arranged on the rear axle 10 in the present case.
- the actuating unit 50 comprises a differential, in particular a limited slip differential, a respective clutch for the left wheel 11 and the right wheel 12 and / or a respective brake unit.
- a torque distribution between the left wheel 1 1 of the right wheel 12 can be adjusted, for example, by opening, grinding or closing the respective clutches for the left wheel 1 1 and the right wheel 12.
- the torque distribution between the left wheel 1 1 can be adjusted by the right wheel 12 by generating a respective braking torque on the left wheel 1 1 and / or the right wheel 12.
- the actuator 51 may be analogous to the location unit 50 executed.
- the respective torque results in a respective torque at each of the wheels 1 1, 12, 21, 22.
- the respective torque results from the difference of the respective drive torque and the respective braking torque.
- the respective torque can be transmitted through each of the wheels 1 1, 12, 21, 22 to a ground on which the motor vehicle 4 is located, and thereby cause a driving force or braking force for the motor vehicle 4.
- the cornering of the motor vehicle 4 can be detected by measuring a steering angle or steering angle of a steering wheel 7 of the motor vehicle 4. Specifically, the turning angle at the left wheel 21 and the right wheel 22 of the front axle 20 is adjusted by the steering wheel 7. A driver of the motor vehicle 4 can thus influence the turning angle on the left wheel 21 and the right wheel 22 by turning the steering wheel 7. As a result, a steering of the motor vehicle 4 is possible in particular.
- the motor vehicle 4 has in the present case a control unit 6, by which an active influencing of a yaw angle of the motor vehicle 4 by adjusting a nonuniform torque distribution between the left wheel 1 1 and the right wheel 12 on the rear axle 10 is made.
- the yaw angle of the motor vehicle 4 can be influenced by adjusting an uneven torque distribution between the left wheel 21 and the right wheel 22 on the front axle 20.
- the control unit 6 transmits a control signal to the respective control unit 50, 51 for this purpose.
- the actuator 50 may adjust a respective torque for the left wheel 11 and the right wheel 12 depending on the control signal.
- the control unit 51 may set a respective torque for the left wheel 21 and the right wheel 2 and 20 depending on the control signal.
- Fig. 2 shows the steering wheel 7, which has an operating unit 70.
- the operating unit 70 comprises a first operating element 71 and a second operating element 72.
- the first operating element 71 can be arranged on the left of the steering wheel 7 and the second operating element 72 can be arranged on the right of the steering wheel.
- the controls 71, 72 are designed as push buttons.
- the operating elements 71, 72 may be designed as levers, in particular on a rear side of the steering wheel 7 facing away from the driver, preferably in the manner of shift paddles.
- the control unit 6 detects an actuation of the operating unit 70 or one of the operating elements 71, 72.
- the operating unit 70 transmits an actuating signal to the control unit 6, wherein the actuation of the operating unit 70 can be characterized by the actuating signal.
- the operating unit 70 transmits the actuating signal to the control unit 6 precisely when one of the operating elements 71, 72 is acted on by an actuating force.
- the actuation signal characterizes which of the operating elements 71, 72 is actuated.
- the control unit 6 adjusts the uneven torque distribution 15 between the left wheel 1 1 and the right wheel 12 on the rear axle 10 in accordance with the operation of the operating unit 70.
- the control unit 6 adjusts the uneven torque distribution between the left wheel 21 and the right wheel 22 on the front axle 20 in accordance with the operation of the operation unit 70.
- the torque control unit 6 sets a larger value on the left wheel 1 1 than the torque on the right wheel 1 th wheel 12 when the second control element 72 is actuated.
- the torque control unit 6 on the right wheel 12 sets a larger value than the torque on the left wheel 1 1 just when the first operating member 71 is operated.
- the assignment of the controls 71, 72 can be reversed.
- a control of the torque distribution between the left wheel 21 right wheel 22 on the front axle can be done analogously and / or simultaneously to control the torque distribution 15 between the left wheel 1 1 and in the right wheel 12 on the rear axle 10.
- the torque distribution 15 between the left wheel 1 1 and the right wheel 12 upon actuation of the operating unit 70 is set to a predetermined ratio.
- the ratio between the torque on the left wheel 1 1 and the right wheel 12 upon actuation of the operating unit 70 is set to a predetermined value.
- the torque at the left wheel 1 1 and the right wheel 12 may be set to a predetermined difference. In other words, a value for the torque on the left wheel 1 1 differs by the predetermined difference from the value for the torque on the right wheel 12.
- the ratio between the torque on the left wheel 1 1 and in the right wheel 12 may be adjusted depending on a driving situation in which the motor vehicle 4 is located.
- the driving situation in which the motor vehicle 4 is located is characterized by a steering angle, a yaw rate, a speed and / or an acceleration.
- one or more of the above magnitudes for adjusting the ratio between the torque on the left wheel 1 1 and the right wheel 12 is determined.
- the uneven torque distribution 15 on the rear axle 10 and / or the unequal torque distribution on the front axle 20 are set as a function of the detected actuation precisely when the actuation of the operating unit 70 is detected.
- the uneven torque distribution 15 on the rear axle 10 and / or the uneven torque distribution on the front axle 20 are only maintained as long as the actuation of the operating unit 70 is detected as a function of the detected actuation.
- the control unit 6, in addition to adjusting the uneven torque distribution on the front axle 20 and / or the rear axle 10, may also be configured to automatically adjust the uneven torque distribution on the front axle 20 and / or the rear axle 10 depending on the operation of the control unit 70. In this case, the automated adjustment of the uneven torque distribution and the adjustment of the uneven torque distribution depending on the detected operation of the operation unit 70 may overlap.
- An actuation force and / or an actuation stroke can be determined upon actuation of the operating unit 70.
- an actuation force is determined with which the user of the motor vehicle 4 actuates one of the operating elements 71, 72.
- it can be determined how much the user deflects one of the operating elements 71, 72.
- the inequality of the torque distribution 15 between the left wheel 1 1 and the right wheel 12 can be adjusted depending on the operation force and / or the operation stroke.
- the ratio between the torque on the left wheel 1 1 and the right wheel 12 is adjusted depending on the operation force and / or the operation stroke.
- the motor vehicle 4 preferably has a plurality of operating modes.
- the uneven torque distribution 15 is set depending on the detected operation.
- the uneven torque distribution 15 is adjusted solely in response to the detected actuation.
- the uneven torque distribution 15 is set both as a function of the detected actuation of the operating unit 70 and also automatically, for example, controlled in accordance with a characteristic diagram or input variables.
- the uneven torque distribution 15 is not set depending on the operation of the operation unit 70.
- the operating unit 70 in the fourth of the plurality of operating modes is thus inoperative.
- the examples show how a torque distribution to the wheels of a motor vehicle by a driver can be made more controllable by the invention.
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Human Computer Interaction (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Retarders (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017203362.2A DE102017203362A1 (de) | 2017-03-01 | 2017-03-01 | Einstellen einer Drehmomentverteilung zwischen Rädern einer Achse eines Kraftfahrzeugs durch Betätigen einer Bedieneinheit |
| PCT/EP2018/053446 WO2018158068A1 (de) | 2017-03-01 | 2018-02-12 | Einstellen einer drehmomentverteilung zwischen rädern einer achse eines kraftfahrzeugs durch betätigen einer bedieneinheit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3589520A1 true EP3589520A1 (de) | 2020-01-08 |
Family
ID=61244576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18705871.4A Ceased EP3589520A1 (de) | 2017-03-01 | 2018-02-12 | Einstellen einer drehmomentverteilung zwischen rädern einer achse eines kraftfahrzeugs durch betätigen einer bedieneinheit |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11110902B2 (de) |
| EP (1) | EP3589520A1 (de) |
| CN (1) | CN110402215B (de) |
| DE (1) | DE102017203362A1 (de) |
| WO (1) | WO2018158068A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202021103325U1 (de) | 2021-03-24 | 2021-07-01 | Hofer Powertrain Innovation Gmbh | Kraftfahrzeug und Integrationssteuergerät zur radindividuellen Momentenzuteilung |
| IT202200018495A1 (it) * | 2022-09-12 | 2024-03-12 | Ferrari Spa | Autoveicolo con volante adattato per regolare grandezze associate al controllo delle ruote |
| KR20240044554A (ko) * | 2022-09-28 | 2024-04-05 | 현대자동차주식회사 | 차량의 주행 제어 방법 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011003490A1 (de) * | 2011-02-02 | 2012-08-02 | Robert Bosch Gmbh | Verfahren zur Verteilung der Antriebskraft auf die Räder eines Kraftfahrzeugs |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5301768A (en) * | 1992-05-04 | 1994-04-12 | Aisin Aw Co., Ltd. | Four-wheel drive torque transfer mechanism |
| JP3850530B2 (ja) * | 1997-10-21 | 2006-11-29 | 富士重工業株式会社 | 車両運動制御装置 |
| JP2001058564A (ja) * | 1999-08-24 | 2001-03-06 | Mazda Motor Corp | 自動車の旋回姿勢制御装置 |
| CA2299669A1 (fr) * | 2000-03-06 | 2001-09-06 | Corporation De Frein Newtech Inc. | Commande sensitive des freins par le volant |
| JP4263441B2 (ja) * | 2002-08-07 | 2009-05-13 | 富士重工業株式会社 | 4輪駆動車の制御装置 |
| JP4294286B2 (ja) * | 2002-09-24 | 2009-07-08 | 富士重工業株式会社 | 車両の差動制限制御装置 |
| JP4866104B2 (ja) * | 2006-03-02 | 2012-02-01 | 本田技研工業株式会社 | 旋回アシスト装置 |
| JP4921990B2 (ja) * | 2006-10-10 | 2012-04-25 | 本田技研工業株式会社 | 車両のヨーモーメント制御装置 |
| DE102007002709A1 (de) | 2007-01-18 | 2008-07-24 | Emil Rohrer | Antriebseinheit für Kraftfahrzeuge zum nachträglichen Anbau |
| GB2466975B (en) * | 2009-01-16 | 2013-06-19 | Gm Global Tech Operations Inc | Torque distributing drive mechanism for motorized vehicles |
| GB2466967B (en) * | 2009-01-16 | 2013-09-25 | Gm Global Tech Operations Inc | Drive mechanism for selectively switching a drive between propulsion and torque vectoring mode |
| GB2473294B (en) | 2009-09-08 | 2014-07-09 | Mclaren Automotive Ltd | Dynamics control |
| DE102010001068A1 (de) * | 2010-01-21 | 2011-07-28 | ZF Friedrichshafen AG, 88046 | Verfahren zur Spurhalteunterstützung für ein Kraftfahrzeug |
| DE102012201577A1 (de) * | 2012-02-02 | 2013-08-08 | Schaeffler Technologies AG & Co. KG | Elektrischer Antriebsstrang für die lenkbare Achse eines Kraftfahrzeugs |
| DE102013213280A1 (de) | 2013-07-08 | 2015-01-08 | Continental Teves Ag & Co. Ohg | Lenkbremsbetätigungseinheit für ein hydraulisches Bremssystem |
| US9376101B2 (en) | 2013-08-28 | 2016-06-28 | Continental Automotive Systems, Inc. | All-wheel drive torque vectoring by electronic brake system control |
| EP2853458B1 (de) * | 2013-09-30 | 2019-12-18 | Hitachi, Ltd. | Verfahren und Vorrichtung zur Fahrhilfedurchführung |
| JP6241248B2 (ja) | 2013-12-11 | 2017-12-06 | スズキ株式会社 | 車両制御方法 |
| KR101655663B1 (ko) * | 2015-04-07 | 2016-09-22 | 현대자동차주식회사 | E-4wd 하이브리드 자동차의 전/후륜 토크 분배 제어 방법 |
| US9981686B2 (en) * | 2016-08-31 | 2018-05-29 | Ford Global Technologies, Llc | Creep assist for steering management |
-
2017
- 2017-03-01 DE DE102017203362.2A patent/DE102017203362A1/de not_active Withdrawn
-
2018
- 2018-02-12 WO PCT/EP2018/053446 patent/WO2018158068A1/de not_active Ceased
- 2018-02-12 US US16/488,316 patent/US11110902B2/en not_active Expired - Fee Related
- 2018-02-12 EP EP18705871.4A patent/EP3589520A1/de not_active Ceased
- 2018-02-12 CN CN201880015056.0A patent/CN110402215B/zh not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011003490A1 (de) * | 2011-02-02 | 2012-08-02 | Robert Bosch Gmbh | Verfahren zur Verteilung der Antriebskraft auf die Räder eines Kraftfahrzeugs |
Also Published As
| Publication number | Publication date |
|---|---|
| US20190375385A1 (en) | 2019-12-12 |
| US11110902B2 (en) | 2021-09-07 |
| CN110402215A (zh) | 2019-11-01 |
| WO2018158068A1 (de) | 2018-09-07 |
| CN110402215B (zh) | 2023-03-10 |
| DE102017203362A1 (de) | 2018-09-06 |
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