FR3109993B1 - détection d’un mouvement de deux pièces d’un système de direction assistée. - Google Patents

détection d’un mouvement de deux pièces d’un système de direction assistée. Download PDF

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Publication number
FR3109993B1
FR3109993B1 FR2004626A FR2004626A FR3109993B1 FR 3109993 B1 FR3109993 B1 FR 3109993B1 FR 2004626 A FR2004626 A FR 2004626A FR 2004626 A FR2004626 A FR 2004626A FR 3109993 B1 FR3109993 B1 FR 3109993B1
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France
Prior art keywords
mark
image
steering system
following
detection
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.)
Active
Application number
FR2004626A
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English (en)
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FR3109993A1 (fr
Inventor
Norberto Crespo
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.)
JTEKT Europe SAS
Original Assignee
JTEKT Europe SAS
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Filing date
Publication date
Application filed by JTEKT Europe SAS filed Critical JTEKT Europe SAS
Priority to FR2004626A priority Critical patent/FR3109993B1/fr
Priority to PCT/FR2021/050782 priority patent/WO2021229162A1/fr
Publication of FR3109993A1 publication Critical patent/FR3109993A1/fr
Application granted granted Critical
Publication of FR3109993B1 publication Critical patent/FR3109993B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • 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
    • B62D15/0215—Determination of steering angle by measuring on the steering column
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
    • B62D6/08—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to driver input torque
    • B62D6/10—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to driver input torque characterised by means for sensing or determining torque
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/22—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
    • G01L5/221—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers to steering wheels, e.g. for power assisted steering

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

Système de direction (1) assistée comprenant une première pièce (A) et une deuxième pièce (B) mobiles en rotation autour d’un axe, le système de direction (1) comprenant un capteur d’images (C) configuré pour acquérir successivement une image et une image suivante d’une partie de la première pièce (A) portant un premier repère (R1) et d’une partie de la deuxième pièce (B) portant un deuxième repère (R2), de sorte que l’image comprend une première marque et une deuxième marque, la première marque étant l’image du premier repère (R1) et la deuxième marque étant l’image d’un deuxième repère (R2), et de sorte que l’image suivante comprend une première marque suivante et une deuxième marque suivante, la première marque suivante étant l’image du premier repère (R1) et la deuxième marque suivante étant l’image d’un deuxième repère (R2), le système de direction (1) comprenant un module de traitement d’image configuré pour déterminer un déplacement en rotation de la première pièce (A) en fonction de la première marque dans l’image et de la première marque suivante dans l’image suivante, et pour déterminer un déplacement en rotation de la deuxième pièce (B) en fonction de la deuxième marque dans l’image et de la deuxième marque suivante dans l’image suivante. Figure 1
FR2004626A 2020-05-11 2020-05-11 détection d’un mouvement de deux pièces d’un système de direction assistée. Active FR3109993B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2004626A FR3109993B1 (fr) 2020-05-11 2020-05-11 détection d’un mouvement de deux pièces d’un système de direction assistée.
PCT/FR2021/050782 WO2021229162A1 (fr) 2020-05-11 2021-05-06 Détection d'un mouvement de deux pièces d'un système de direction assistée

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2004626 2020-05-11
FR2004626A FR3109993B1 (fr) 2020-05-11 2020-05-11 détection d’un mouvement de deux pièces d’un système de direction assistée.

Publications (2)

Publication Number Publication Date
FR3109993A1 FR3109993A1 (fr) 2021-11-12
FR3109993B1 true FR3109993B1 (fr) 2022-05-13

Family

ID=71784266

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2004626A Active FR3109993B1 (fr) 2020-05-11 2020-05-11 détection d’un mouvement de deux pièces d’un système de direction assistée.

Country Status (2)

Country Link
FR (1) FR3109993B1 (fr)
WO (1) WO2021229162A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3725545B2 (ja) * 1994-08-25 2005-12-14 ティー・アール・ダブリュー・ルーカス・ヴァリティ・エレクトリック・ステアリング・リミテッド 変位センサおよびトルク・センサ
WO2003067197A1 (fr) * 2002-02-08 2003-08-14 Robert Bosch Gmbh Couple optique et detecteur d'inclinaison
WO2017186310A1 (fr) * 2016-04-29 2017-11-02 Thyssenkrupp Ag Capteur d'angle de rotation optique pour un système de direction à assistance électrique d'un véhicule à moteur

Also Published As

Publication number Publication date
WO2021229162A1 (fr) 2021-11-18
FR3109993A1 (fr) 2021-11-12

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