WO2020048754A1 - Module de colonne de direction pour un système de direction à commande par câble électrique d'un véhicule - Google Patents

Module de colonne de direction pour un système de direction à commande par câble électrique d'un véhicule Download PDF

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Publication number
WO2020048754A1
WO2020048754A1 PCT/EP2019/071950 EP2019071950W WO2020048754A1 WO 2020048754 A1 WO2020048754 A1 WO 2020048754A1 EP 2019071950 W EP2019071950 W EP 2019071950W WO 2020048754 A1 WO2020048754 A1 WO 2020048754A1
Authority
WO
WIPO (PCT)
Prior art keywords
steering
column module
steering column
vehicle
module
Prior art date
Application number
PCT/EP2019/071950
Other languages
German (de)
English (en)
Inventor
Thomas Knopp
Mirko PRZYBYLSKI
Peter Marx
Christopher Kreis
Ernst Wilske
Original Assignee
Volkswagen Aktiengesellschaft
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 Volkswagen Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Publication of WO2020048754A1 publication Critical patent/WO2020048754A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/001—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup
    • B62D5/005—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup means for generating torque on steering wheel or input member, e.g. feedback
    • B62D5/006—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup means for generating torque on steering wheel or input member, e.g. feedback power actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns
    • B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
    • B62D1/181—Steering columns yieldable or adjustable, e.g. tiltable with power actuated adjustment, e.g. with position memory
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns
    • B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
    • B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
    • B62D1/192—Yieldable or collapsible columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/001—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0409—Electric motor acting on the steering column
    • B62D5/0412—Electric motor acting on the steering column the axes of motor and steering column being parallel
    • B62D5/0415—Electric motor acting on the steering column the axes of motor and steering column being parallel the axes being coaxial

Definitions

  • Steering column module for a steer-by-wire steering system of a vehicle
  • the invention relates to a steering column module for a steer-by-wire steering system of a vehicle according to the preamble of independent claim 1.
  • Modern series vehicles have a steering wheel, a steering column and a steering intermediate shaft as components of a mechanical coupling between a steering wheel and one
  • Coupling system between the steering wheel and the steering gear is dispensed with. This creates new room for maneuver for essential design criteria in the area of
  • dashboards comprehensive package, design, crash behavior and interior concepts away from a defined seating position of the driver (e.g. lying position, position against the direction of travel, etc.). Nevertheless, automobile manufacturers should be able to differentiate themselves from the competition through vehicle-specific driving / steering performance. In addition, the customer's wish for individual driving (steering) should be met. In addition, there will be driving situations for which purely automated driving is difficult to practice, such as: B. in maneuvering and loading operations, on one
  • the object of the invention is therefore to provide an improved steering column module for automatically, in particular highly automatically, moving vehicles.
  • the invention provides a steering column module for a steer-by-wire steering system of a vehicle, in particular a motor vehicle, comprising a force feedback actuator, a sensor unit for detecting an operating parameter of a steering wheel of the vehicle and a control unit for the steering column module, the steering column module can be attached to the vehicle as an individually manageable module.
  • An operating parameter of the steering wheel in the sense of the invention can be understood as an angle of rotation and / or a torque of the steering wheel.
  • the control unit can act as central control electronics for the steering column module for controlling all of it
  • Steering system can be understood, in which there is no mechanical coupling between a steering wheel and a steering gear, the steering commands between the steering wheel and the steering gear being transmitted via data bus.
  • a steering column module which can be attached to the vehicle as an individually manageable module.
  • the steering column module is designed in the form of a one-box system.
  • the steering column module is designed for vehicles with a level of automation at level three (highly automatic driving) or four (fully automatic driving).
  • the steering column module combines at least the force feedback actuator and the sensor unit as well as the control unit in the context of a single, individually manageable module in an integral design.
  • a steering column module in the sense of the invention can all functionally essential components of a steering column in a steer-by-wire steering system as part of a single one
  • Unite manageable module in integral construction Despite the increased demands on the reliable function, the increased comfort and the reliable, increased safety, the design of the steering column module as an individually manageable module reduces the installation space requirement on the modern steering columns.
  • the invention can provide that the force feedback actuator acts as an input instrument for a change of direction command from a driver to a steering gear and for generating a haptic, acoustic and / or optical
  • the force feedback actuator can thus be operated in both directions.
  • the force feedback actuator transmits the manual steering commands (torque or angular velocity) from the steering wheel to the vehicle.
  • the torque can be increased to compensate for friction
  • the force feedback actuator can provide appropriate haptics on the steering wheel depending on the driving situation.
  • the invention can provide in a steering column module that the sensor unit has at least one torque sensor and / or at least one angle sensor.
  • the sensor unit can provide at least one torque sensor and / or at least one angle sensor redundantly.
  • Torque can be an important operating parameter for haptic feedback.
  • An angle of rotation can be an important operating parameter for a change of direction command.
  • the invention can provide for a steering column module that at least one torque sensor of the sensor unit has a mechanical angle of rotation limitation and / or an adjustable torsional strength.
  • a mechanical rotation angle limitation can ensure that the components of the steering wheel, such as. B. a torsion spring to the airbag, not be overused.
  • the adjustable torsional strength can ensure that the components of the steering wheel, such as. B. a torsion spring to the airbag, not be overused.
  • the adjustable torsional strength can ensure that the components of the steering wheel, such as. B. a torsion spring to the airbag, not be overused.
  • Torsional strength of the torque sensor a corresponding difficulty or ease of movement of the steering column module are made possible.
  • control unit is designed as control electronics.
  • the control unit can advantageously be integrated within the steering column module and control all components of the steering column module and provide a communication link to the vehicle. This means that not only a module that is easy to handle, but also a module that can be easily installed in the vehicle can be provided, which can be installed quickly and safely in the vehicle as part of a flowing production line.
  • the invention can provide that at least one reversible or irreversible crash energy absorber for absorbing an impact energy of a driver onto the steering wheel is integrated within the steering column module. Impact safety on the steering wheel can thus be made possible.
  • the invention can provide for a steering column module that within the
  • Steering column module a position actuator for positioning and / or determining the position of the steering wheel in a direction along a steering axis (ie an axis of rotation of the steering wheel) and / or in a direction horizontal to the steering axis and / or in a direction vertical to the steering axis and / or in a direction along one Vehicle vertical axis is integrated. Consequently the set position of the steering wheel can be recognized and according to the
  • the invention can provide in a steering column module that an automatic and / or active center feedback unit is provided within the steering column module.
  • an automatic and / or active center feedback unit is provided within the steering column module.
  • a specially designed mechanical and / or motor unit can be provided.
  • the center feedback unit can be implemented within the force feedback actuator.
  • the invention can provide in a steering column module that at least one angle of rotation limitation is integrated in the steering column module in a direction of force transmission from the steering wheel to the force feedback actuator.
  • the angle of rotation limitation can be a mechanical and / or electrical device.
  • the rotation angle limitation can be installed together with the rotation angle sensor. It is also conceivable that the angle of rotation limitation can be designed as a purely mechanical stop. The rotation angle limitation ensures that excessive steering force and / or excessive steering movement does not lead to damage to the components on the steering wheel and / or within the steering column module.
  • the invention can provide for a steering column module that within the
  • Steering column module is integrated an idle stroke limitation in a power transmission direction from the force feedback actuator to the steering wheel. If the force feedback actuator fails, an idling speed limit ensures that the steering wheel has a defined one
  • Minimum torque is maintained to counteract uncontrolled steering movements due to a lack of counterforce.
  • the invention can provide for a steering column module that on
  • Steering column module an electrical and / or mechanical interface to the steering wheel is formed.
  • a steering column module can thus be provided, which
  • a steering column module can provide that an electrical and / or mechanical interface to a central control unit of the vehicle is provided on the steering column module.
  • a steering column module can thus be provided, which can be used with different vehicle models in a customer-specific and cross-model manner. Further measures improving the invention are described in more detail below with the description of the preferred exemplary embodiments of the invention with reference to the figures.
  • the features mentioned in the claims and in the description can each be essential to the invention individually or in any combination. It should be noted that the figures are only descriptive and are not intended to limit the invention in any way. It shows:
  • Fig. 1 is a schematic representation of a steering column module in the sense of the invention
  • Fig. 2 shows a detailed representation of a steering column module in the sense of the invention.
  • FIG. 1 shows a steer-by-wire steering system of a vehicle 100, in which
  • Transition from a steering wheel 101 to a steering column module 10 is arranged in the sense of the invention. Control commands are forwarded from the steering column module 10 to a steering gear 103 via data bus 102.
  • a steer-by-wire steering system does not include a mechanical coupling between the steering wheel 101 and the steering gear 103.
  • the steer-by-wire steering system shown is advantageously suitable for use in a vehicle 100 with an automation level three (highly automatic driving, the The driver must take over the driving function within 10 s in the event of a fault) or four (fully automatic driving, whereby the driver may turn to activities that do not serve to guide the vehicle, e.g. sleep, but the vehicle still has a steering wheel and pedals for manual driving).
  • the steering column module 10 for a steer-by-wire steering system according to FIG. 1 is shown in FIG. 2.
  • the steering column module 10 has a force feedback actuator 1 1 with sensor unit 1 1.1 for detecting an operating parameter of the steering wheel 101 of the
  • an angle of rotation and / or a torque of the steering wheel 101 can serve as the operating parameter of the steering wheel 101.
  • the control unit 1 1.2 can serve as central control electronics for the steering column module 10 for controlling all of its components.
  • the steering column module 10 is an individually manageable module or an individually manageable structural unit or a one-box system with all of its
  • the steering column module 10 in the sense of the invention can also combine further functionally essential components of a steering column in a steer-by-wire steering system in the context of a single module 10 that can be handled individually in an integral construction.
  • a force feedback actuator 11 as an (eg electromechanical) input / output interface between a driver and the vehicle 100 as an input instrument for the direction change command and for haptic (additional, if necessary, acoustic and / or optical) Feedback of the simulated driving state to the driver;
  • a position actuator 15 as one or more (for example electromechanical) actuator (s) 15.1, 15.2 for positioning and / or determining the position of the steering wheel 101 spatially at least in one direction x 'along an axis of rotation D (ie in a steering axis x ') of the steering wheel 101 (cf.
  • a length determination unit 15.2 and / or in a direction y' horizontally to the steering axis x 'and / or in a direction z' vertically to the steering axis x 'and / or in a direction along a vertical axis z (cf.
  • a height detection unit 15.1) a central control unit 1 1.2 for communication with the vehicle 100 and control of all actuators or all functionally essential components of the steering column module 10; a (according to customer requirements and / or vehicle model) mechanical and / or electrical interface 4 to the steering wheel; a (according to customer requirements and / or vehicle model) mechanical and / or electrical interface 3 to vehicle 100, in particular to a central control unit 110 of vehicle 100; at least one reversible and / or irreversible buffer or absorber 14 for the
  • a sensor unit 11.1 with a redundant torque sensor system possibly with an integrated mechanical and / or electrical rotation angle limitation and / or variably executable or adjustable torsional stiffness, as well as a redundant steering angle sensor system; an electrical and / or mechanical (for example, variably software-controlled, for example variable software-controlled with mechanical end limitation, rotation angle limitation (not shown for reasons of simplicity); an automatic and / or active (mechanical and / or electrical)
  • Center feedback unit 16 of the steering wheel 101 (possibly with the support of the force feedback actuator 1 1); and / or a damping unit or idling limit to avoid
  • the center feedback unit 16 can have, for example, a rod gear in which an actuating rod is acted upon on both sides by a spring.
  • the springs can serve to return the steering wheel 101 to the central position after a steering movement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)

Abstract

L'invention concerne un module (10) de colonne de direction d'un système de direction à commande par câble électrique d'un véhicule (100). Le module de colonne de direction comprend un actionneur de retour de force (11), une unité de capteur (11.1) servant à détecter un paramètre de fonctionnement d'un volant (101) du véhicule (100) et une unité de commande (11.2), le module (10) de colonne de direction pouvant être fixé sur le véhicule (100) en tant qu'un module (10) pouvant être manipulé individuellement.
PCT/EP2019/071950 2018-09-05 2019-08-15 Module de colonne de direction pour un système de direction à commande par câble électrique d'un véhicule WO2020048754A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018121610.6 2018-09-05
DE102018121610.6A DE102018121610A1 (de) 2018-09-05 2018-09-05 Lenksäulenmodul für ein Steer-by-wire-Lenksystem eines Fahrzeuges

Publications (1)

Publication Number Publication Date
WO2020048754A1 true WO2020048754A1 (fr) 2020-03-12

Family

ID=67660563

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/071950 WO2020048754A1 (fr) 2018-09-05 2019-08-15 Module de colonne de direction pour un système de direction à commande par câble électrique d'un véhicule

Country Status (2)

Country Link
DE (1) DE102018121610A1 (fr)
WO (1) WO2020048754A1 (fr)

Cited By (1)

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WO2021249220A1 (fr) * 2020-06-10 2021-12-16 中国第一汽车股份有限公司 Simulateur de sensation de route

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DE102020205631A1 (de) 2020-05-05 2021-11-11 Volkswagen Aktiengesellschaft Verstellvorrichtung für ein Lenkrad eines Fahrzeugs
KR20220009284A (ko) * 2020-07-15 2022-01-24 현대자동차주식회사 운전자세 통합메모리시스템 및 그의 제어방법
DE102022201729A1 (de) * 2022-02-18 2023-08-24 Volkswagen Aktiengesellschaft Steer-by-Wire-Lenksystem, Steuergerät und Verfahren zum Betreiben eines Steer-by-Wire-Lenksystems

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EP2634065A2 (fr) * 2012-03-02 2013-09-04 Jtekt Corporation Système de direction de véhicule
EP3241719A2 (fr) * 2016-05-06 2017-11-08 Dura Operating, LLC Ensemble de commande pour un système de direction par câble de véhicule
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Publication number Priority date Publication date Assignee Title
US20040020708A1 (en) * 2000-04-03 2004-02-05 Szabela William A. Electric steering apparatus
EP1977953A1 (fr) * 2007-04-02 2008-10-08 Jtekt Corporation Appareil de direction de véhicule
EP2634065A2 (fr) * 2012-03-02 2013-09-04 Jtekt Corporation Système de direction de véhicule
EP3241719A2 (fr) * 2016-05-06 2017-11-08 Dura Operating, LLC Ensemble de commande pour un système de direction par câble de véhicule
US20180148085A1 (en) * 2016-10-17 2018-05-31 Agjunction Llc Integrated auto-steer system for vehicle
WO2018157989A1 (fr) * 2017-03-02 2018-09-07 Volkswagen Aktiengesellschaft Procédé de fonctionnement pour un système de direction à commande par câble électrique, unité de commande pour un système de direction à commande par câble électrique, système de direction à commande par câble électrique et véhicule

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021249220A1 (fr) * 2020-06-10 2021-12-16 中国第一汽车股份有限公司 Simulateur de sensation de route

Also Published As

Publication number Publication date
DE102018121610A1 (de) 2020-03-05

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