WO2012034658A1 - Dispositif de saisie de l'angle de rotation d'une colonne de direction - Google Patents

Dispositif de saisie de l'angle de rotation d'une colonne de direction Download PDF

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Publication number
WO2012034658A1
WO2012034658A1 PCT/EP2011/004460 EP2011004460W WO2012034658A1 WO 2012034658 A1 WO2012034658 A1 WO 2012034658A1 EP 2011004460 W EP2011004460 W EP 2011004460W WO 2012034658 A1 WO2012034658 A1 WO 2012034658A1
Authority
WO
WIPO (PCT)
Prior art keywords
steering
accumulator
electrical system
steering column
angle
Prior art date
Application number
PCT/EP2011/004460
Other languages
German (de)
English (en)
Inventor
Christoph Klukowski
Original Assignee
Thyssenkrupp Presta Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thyssenkrupp Presta Ag filed Critical Thyssenkrupp Presta Ag
Publication of WO2012034658A1 publication Critical patent/WO2012034658A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D15/00—Steering not otherwise provided for
    • B62D15/02—Steering position indicators ; Steering position determination; Steering aids
    • B62D15/021—Determination of steering angle

Definitions

  • the present invention relates to a device for detecting the angle of rotation of a steering column of a motor vehicle having the features of the preamble of claim 1.
  • a yaw rate may be calculated based on the angle of the steered wheels and the vehicle speed.
  • An electronic stability program may then check whether the calculated yaw rate matches a measured yaw rate and, in the event of deviations via an automatic brake intervention or an automatic steering intervention, try to establish the correspondence between the desired value and the actual value.
  • An indispensable prerequisite for this is the exact knowledge of the current angle of the steering column of the motor vehicle.
  • CONFIRMATION COPY To know the location of the steering and in particular to know if the
  • Steering column from the straight-ahead position is turned to the right or to the left.
  • Power steering Steering angle sensors on. These can be elaborately designed as so-called multi-turn sensors, which, even after a complete drop in voltage, directly and absolutely correct
  • the document DE 10 210 363 AI proposes the electronic
  • Steering angle detection of the motor vehicle to put into a resting state. If the steering is turned while the ignition is off, the steering angle detection is put back into operation, so that changes in the steering angle can be tracked even when the ignition is off. This procedure only works when the on-board voltage is connected. When the battery, more specifically the
  • Vehicle battery is disconnected from the electrical system, is also the
  • Steering angle detecting device which can then detect the rotational state of the steering even with the ignition off. In practice it turns out that the generator voltage of the servo motor rotated by manual actuation is insufficient for this purpose.
  • the electronic control has an internal accumulator, the operating voltage of at least the
  • Lenkwinkeler upsetsvoroplasty can provide, the steering angle, even with a separation of the electrical system of
  • the internal accumulator then supplies the means for detecting the steering angle with the required operating voltage to maintain the assignment of the steering angle sensor signal to a real angle of rotation of the steering and thus to make a recalibration of the steering unnecessary.
  • the internal accumulator is preferably parallel to the
  • thermoelectric thermoelectric
  • thermoelectric generators are used.
  • a thermoelectric generator with heat generating components of the electrical control of the steering is thermally conductively connected, so that the operation of the steering, the waste heat of the controller is used to charge the battery and kept charged.
  • Fig. 1 an electromechanical motor vehicle steering in a schematic representation; such as
  • Fig. 1 an electromechanical power steering is shown schematically.
  • a steering wheel 1 is drivingly connected via an upper steering shaft 2 and a lower steering shaft 3 with a pinion 4.
  • the upper steering shaft 2 is mounted in a bracket 5 axially and adjustable in height.
  • Console 5 is also a steering angle sensor 6 is arranged, which detects the current angle of rotation, ie the position of the steering shaft 2, 3 and thus the steering wheel 1 and the pinion 4.
  • the pinion 4 meshes with a toothed segment 7 of a rack 8, which in turn provided at their free ends with tie rods 9 and over these tie rods 9 is coupled with steerable wheels 10.
  • the rack 8 is in a steering housing 11 in their
  • a rotation of the steering wheel 1 thus causes in a known manner a pivoting of the wheels 10 and thus a steering operation.
  • an electric servo drive 12 with a servo motor 13 and a transmission 14 is arranged on the steering housing 11.
  • the servo drive 12 is controlled via an electronic control 15.
  • the controller 15 is connected to the electrical system 16 of the motor vehicle, which is usually a 12-volt DC power system. Connecting cables 17 establish the electrical connection.
  • the controller 15 receives via a signal line 18 signals of the steering angle sensor 6 and evaluates them in the above
  • Vehicle speed are not shown.
  • FIG. 2 shows the controller 15 in a block diagram, and only the part of the controller 15 which is provided for the measurement of the steering angle.
  • the controller 15 includes a module 20 for evaluating the signal of the steering angle sensor 6, which receives the module 20 via the signal line 18.
  • the module 20 is supplied as the controller 15 from the electrical system 16 via the lines 17 with power.
  • An additional accumulator 21 is also powered and charged from the electrical system 16. This accumulator 21 alone buffers the operating voltage of the module 20 and above, if necessary, the supply of the steering angle sensor 6. Alternatively, or in addition, the accumulator 21 from a
  • thermoelectric generator 22 are used, for example, uses the operating waste heat of the controller 15. If the controller 15 is now disconnected from the electrical system 16, for example, by disconnecting one of the lines 17, so does the
  • Accumulator 21 the supply of the module 20, which may have a very low power consumption. A turning of the steering by manual operation of the steering wheel 1 or even when the vehicle is jacked by manually pivoting the wheels 10 is then by the
  • Steering angle sensor 6 detected and evaluated in the module 20 and stored.
  • the assignment between the value stored in the module 20 to the current rotational state of the steering shaft 2, 3 is thus retained.
  • a recalibration of the steering angle detection is therefore not required even after an actuation of the steering in separate from the electrical system 16 controller 15.
  • the detection of the steering angle takes place with two or more degrees of accuracy.
  • Charging capacity of the accumulator 21 can even more
  • the accumulator (21) may be an electrochemical accumulator or even a capacitor with a large capacity in the range of preferably more than 1 F.

Landscapes

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

Abstract

L'invention concerne un dispositif de saisie d'une modification de l'angle de rotation d'une colonne de direction (2, 3) d'un véhicule automobile, comportant un capteur d'angle de direction (6) qui coopère avec la colonne de direction (2, 3) et un moteur électrique (13) d'une direction assistée électromécanique qui sont couplés avec une commande électronique (15) alimentée par un réseau électrique de bord (16). La commande électronique (15) comprend un accumulateur interne (21) qui fournit la tension de fonctionnement d'au moins un module (20) de saisie de l'angle de direction lors d'une séparation entre la commande (15) et le réseau de bord (16).
PCT/EP2011/004460 2010-09-17 2011-09-05 Dispositif de saisie de l'angle de rotation d'une colonne de direction WO2012034658A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010045618.7 2010-09-17
DE102010045618A DE102010045618A1 (de) 2010-09-17 2010-09-17 Vorrichtung zur Erfassung des Drehwinkels einer Lenksäule

Publications (1)

Publication Number Publication Date
WO2012034658A1 true WO2012034658A1 (fr) 2012-03-22

Family

ID=44675524

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/004460 WO2012034658A1 (fr) 2010-09-17 2011-09-05 Dispositif de saisie de l'angle de rotation d'une colonne de direction

Country Status (2)

Country Link
DE (1) DE102010045618A1 (fr)
WO (1) WO2012034658A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103407492A (zh) * 2013-08-02 2013-11-27 一汽解放柳州特种汽车有限公司 转向桥转向角传感装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022205355A1 (de) 2022-05-30 2023-11-30 Zf Automotive Germany Gmbh Steer-by-Wire-Lenksystem und Verfahren

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0137491A2 (fr) * 1983-10-13 1985-04-17 Nissan Motor Co., Ltd. Système de sûreté pour la commande d'effort de direction
DE10145884A1 (de) * 2001-09-18 2003-04-30 Hella Kg Hueck & Co Elektronischer Winkelsensor
DE10210363A1 (de) 2002-03-08 2003-10-09 Opel Adam Ag Vorrichtung zur Erfassung einer Drehwinkeländerung einer Lenksäule
DE102009014046A1 (de) 2008-06-20 2009-12-24 Ford Global Technologies, LLC, Dearborn Selbstbetriebener Lenkradwinkelsensor
DE102008044245A1 (de) * 2008-12-02 2010-06-10 Zf Lenksysteme Gmbh Schaltungsanordnung zum Ansteuern eines Sensors

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0137491A2 (fr) * 1983-10-13 1985-04-17 Nissan Motor Co., Ltd. Système de sûreté pour la commande d'effort de direction
DE10145884A1 (de) * 2001-09-18 2003-04-30 Hella Kg Hueck & Co Elektronischer Winkelsensor
DE10210363A1 (de) 2002-03-08 2003-10-09 Opel Adam Ag Vorrichtung zur Erfassung einer Drehwinkeländerung einer Lenksäule
DE102009014046A1 (de) 2008-06-20 2009-12-24 Ford Global Technologies, LLC, Dearborn Selbstbetriebener Lenkradwinkelsensor
DE102008044245A1 (de) * 2008-12-02 2010-06-10 Zf Lenksysteme Gmbh Schaltungsanordnung zum Ansteuern eines Sensors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103407492A (zh) * 2013-08-02 2013-11-27 一汽解放柳州特种汽车有限公司 转向桥转向角传感装置

Also Published As

Publication number Publication date
DE102010045618A1 (de) 2012-03-22

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