WO2020182307A1 - Réglage de rétroviseur de véhicule automatisé - Google Patents

Réglage de rétroviseur de véhicule automatisé Download PDF

Info

Publication number
WO2020182307A1
WO2020182307A1 PCT/EP2019/056327 EP2019056327W WO2020182307A1 WO 2020182307 A1 WO2020182307 A1 WO 2020182307A1 EP 2019056327 W EP2019056327 W EP 2019056327W WO 2020182307 A1 WO2020182307 A1 WO 2020182307A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
rearview mirror
mirror
deviation
deviation angle
Prior art date
Application number
PCT/EP2019/056327
Other languages
English (en)
Inventor
Dietger VAN DE REYD
Original Assignee
Toyota Motor Europe
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 Toyota Motor Europe filed Critical Toyota Motor Europe
Priority to PCT/EP2019/056327 priority Critical patent/WO2020182307A1/fr
Publication of WO2020182307A1 publication Critical patent/WO2020182307A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/025—Rear-view mirror arrangements comprising special mechanical means for correcting the field of view in relation to particular driving conditions, e.g. change of lane; scanning mirrors

Definitions

  • the present disclosure relates to a vehicle configured for automatic adjustments of rear view mirrors. More particularly, the present disclosure relates to an automated system for automatically adjusting the rearview mirrors of a vehicle in response to changes in vehicle loading.
  • Rearview mirrors are an important safety feature of an operator conducted vehicle, and when properly adjusted, can enable a wide field-of-view of the surroundings of the vehicle to a substantially forward facing driver.
  • Rearview mirror positioning can be a common annoyance for operators of a vehicle.
  • the rearview mirrors e.g., rearview mirrors installed in front and to the sides of the operator, may need to be adjusted in order to properly and safely provide the operator with a desired view to the rear and sides of the vehicle.
  • Certain other vehicle characteristics can also affect an attitude of the vehicle (e.g., pitch and roll).
  • attitude of the vehicle e.g., pitch and roll
  • US 5859593 discloses a method and apparatus for controlling positions of members provided on a car.
  • US 6023229 discloses a rearview mirror with internally mounted compass assembly.
  • US 4684216 discloses an automotive outside rearview mirror.
  • US 4580875 discloses electronic control systems for automatic rearview mirrors for automotive vehicles.
  • US 4443057 discloses an automatic rearview mirror for automotive vehicles.
  • Embodiments of the present disclosure provide an automated rearview mirror compensation system for a vehicle.
  • the system includes one or more level sensing means configured to measure a deviation angle of a vehicle axis relative to a predetermined level plane, and provide an output
  • an adjustable rearview mirror comprising adjustment means enabling pivoting of the rearview mirror about one or more mirror axes; and a controller configure to receive the output of the one or more level sensing means, and to determine a correction angle to compensate for the deviation angle based on a first position of the adjustable rearview mirror at a deviation angle of zero, and cause the adjustment means to pivot the rearview mirror about the one or more mirror axes based on the correction angle.
  • Such a configuration enables an operator of a vehicle to ensure the rearview mirrors of the vehicle are correctly adjusted following a change in posture of the vehicle, for example, due to loading, without intervention of the operator. Further, safety can be improved because the operator need not adjust the mirror and can maintain a similar view of the vehicle surroundings as prior to the change in vehicle posture.
  • At least one of the one or more level sensing means may be positioned at a rear axle of the vehicle.
  • the first position of the adjustable rearview mirror may be a driver adjusted position.
  • the adjustment means may include one or more electric servo motors operably connected to the adjustable rearview mirror.
  • the rearview mirror may be mounted to an exterior portion of the vehicle.
  • the rearview mirror may be mounted on an interior portion of the vehicle.
  • a method for automatically adjusting a rearview mirror of a vehicle to compensate for changes in vehicle posture includes receiving first position data corresponding to an adjustment position of the rearview mirror when a deviation angle is zero, the deviation angle corresponding to a deviation of one or more vehicle axes from a predetermined level plane; determining a deviation of a vehicle axis relative to a predetermined level plane calculating a correction angle based on the deviation angle and the first position data;
  • the method may include receiving the first position data based on preference of an operator of the vehicle.
  • the rearview mirror may be mounted to an exterior portion of the vehicle.
  • the rearview mirror may be mounted to an interior portion of the vehicle.
  • the adjustment means may include one or more electric servo motors operably connected to the rearview mirror.
  • Such a method enables an operator of a vehicle to ensure the rearview mirrors of the vehicle are correctly adjusted following a change in posture of the vehicle, for example, due to loading, without intervention of the operator. Further, safety can be improved because the operator need not adjust the mirror and can maintain a similar view of the vehicle surroundings as prior to the change in vehicle posture.
  • Fig. 1A shows an exemplary vehicle at a first, unloaded position
  • Fig. IB shows the exemplary vehicle in a second, loaded position, such that at least one axis of the vehicle deviates from the level, unloaded position;
  • Fig. 2 is a schematic representation of an exemplary system
  • Fig. 3 shows a flowchart highlighting an exemplary method according to embodiments of the present disclosure.
  • Embodiments the present disclosure may enable automatic adjustment/compensation of vehicle rearview mirrors based on posture changes of the vehicle, due to, for example, loading changes.
  • Fig. 1A shows an exemplary vehicle 1 in a first, normal position, i.e., having a predetermined posture that is defined as "level" for purposes of the present disclosure.
  • Fig. 2 is a schematic representation of an exemplary system configuration installed on a vehicle according to embodiments of the present disclosure.
  • the vehicle may include one or more adjustable rearview mirror assemblies 20, two or more axle assemblies 30, a front portion 2, a rear portion 3, and an ECU 10, among others.
  • Vehicle 1 presents a front portion 2 and a rear portion 3 which are located along the longitudinal axis X of vehicle 1.
  • vehicle 1 comprises at least one driving means (e.g. motor, an engine, etc.) located at either rear portion 3 or front portion 2 of vehicle 1.
  • driving means e.g. motor, an engine, etc.
  • rear portion 3 generally comprises a cargo area configured to be loaded with one or more items of cargo
  • front portion 2 comprises the driving means for vehicle 1.
  • posture changes of vehicle 1 may also occur where the inverse is the case (i.e., driving means that rear portion 3, and cargo at front portion 2).
  • One or more rearview mirror assembly 20 may be positioned on an exterior portion and/or internal portion of vehicle 1.
  • a first rearview mirror assembly 20 may be positioned on a driver's side door exterior, a second rearview mirror assembly 20 on passenger side door exterior, and a third rear view mirror assembly on a windshield of vehicle 1.
  • Rearview mirror assembly 20 may include, among others, a housing, a mirror 22, and one or more motors 21 configured to modify a position of mirror 22 within the housing, or to pivot/modify the housing to adjust an angle of mirror 22. Configurations of such adjustable rearview mirror assemblies are generally known in the art.
  • Each mirror 22 of a vehicle mirror assembly is generally adjusted within the housing (or the housing itself adjusted) according to a preference of a vehicle operator, to provide a view of the surroundings of vehicle 1 to the operator during operation (i.e., while operator is generally facing forward.)
  • the position preferences of one or more operators may be saved by ECU 10 in a storage area associated with ECU 10. Such storage may enable automated adjustment of rearview mirror assemblies 20 according to a particular operator currently operating the vehicle.
  • axle assemblies 30 may be provided with vehicle 1 for purposes of contributing to support of the vehicle 1 and imparting motive force to the drive wheels associated therewith, among others.
  • each axle assembly 30 may comprise a drive wheel, a drive axle, one or more springs, one or more dampers, and connecting members configured to transfer the weight of the vehicle and its contents to the ground via the wheels.
  • Certain components of the axle assembly 30 are not shown in the present figures (e.g., dampers, springs, etc.), and will not be discussed in detail.
  • One or more of the two or more axle assemblies 30 may include level sensing means 40 (e.g., a level sensor) configured to measure a deviation of a posture of vehicle 1 from a level, factory- norma I configuration.
  • level sensing means 40 e.g., a level sensor
  • a level sensor available in the market includes a height control sensor manufactured by Aisin Group.
  • Level sensor 40 may comprise a device having a first portion mounted to the frame and another portion mounted to axle assembly of vehicle 1, and configured to measure the displacement of the frame relative to the axle, thus corresponding to a deviation angle Q of the vehicle 1 from the level, factory-normal position.
  • Vehicle 1 may present a level, unloaded posture as shown in figure 1A, wherein a cargo area and passenger area of vehicle 1 may be substantially void of contents other than those affixed to the vehicle.
  • the factory-normal configuration of the vehicle and the factory posture are assumed to be the level position for purposes of the present disclosure.
  • a longitudinal axis of vehicle 1 may be assumed as level (i.e., parallel) along the X axis, and a radial axis of the vehicle may further be assumed as level (i.e., parallel) along the Y axis, which extends perpendicularly into the drawing sheet in Fig. 1A.
  • Fig. IB shows the exemplary vehicle in a second, loaded position, such that at least one axis of the vehicle deviates from the factory-normal, level, unloaded position of vehicle 1.
  • a posture of vehicle 1 may deviate from the X and/or Y axes.
  • rear portion 3 of vehicle 1 may move nearer the ground due to the weight of the cargo, depending on, for example, components of axle assembly 30 (e.g., suspension equipment) mounted on vehicle 1, among others.
  • This deviation may be measured by level sensor 40, with level sensor 40 providing an output indicative of the deviation.
  • the deviation may be measured as deviation angle Q relative to the factory-level X axis.
  • Level sensor 40 may thus be configured to output a signal indicative of this angle.
  • the deviation may be measured as a distance D relative to the factory-level X axis.
  • An output of level sensor 40 may thus correspond to such a distance.
  • level sensor 40 being configured to output an indication/identifier for each of the deviations output to ECU 10.
  • a posture of vehicle 1 may vary with respect to the Y axis (i.e., the vehicle width direction.)
  • a plurality of level sensors 40 may be provided for purposes of determining a deviation along both the X and Y axes of vehicle 1.
  • a single level sensor 40 may be configured to provide such indications.
  • ECU 10 may be configured to receive level and deviation information from one or more level sensors 40, and calculate, based on such information, a corrective command to be issued to motor 21 to cause adjustment of the mirror 22 (and/or the housing) to compensate for the deviation.
  • Fig. 3 shows a flowchart highlighting an exemplary method according to embodiments of the present disclosure.
  • an operator of the vehicle may set/adjust the rearview mirrors of the vehicle according to a preferred view surrounding the vehicle (step 205).
  • Position preference information for each rearview mirror assembly may be stored at memory 41 associated with ECU 10.
  • Level sensor 40 may be configured to output a signal indicating a deviation from factory-normal level condition, for example, when a load is placed in rear portion of vehicle 3. Such a signal may be continuously or periodically monitored by ECU 10 to determine whether vehicle 1 has
  • step 210 undergone a posture change resulting in a detectable deviation angle Q and/or deviation distance D from a predetermined level plane (i.e., the X or Y axes of the vehicle at factory-normal level conditions) (step 210). Where no such deviation is found (step 210: no) ECU 10 may take no action and may continue monitoring output from level sensor 40.
  • a predetermined level plane i.e., the X or Y axes of the vehicle at factory-normal level conditions
  • ECU 10 may use the deviation information provided by level sensor 40 to calculate a correction angle and/or distance for adjusting mirror 22 to compensate for the deviation (step 215).
  • ECU 10 may then formulate a correction command and issue the correction command to an actuator configured to adjust rearview mirror assembly 20 such that the view preferences of the operator are maintained (i.e., that the deviation is compensated for) (step 220). For example, . ECU 10 may issue a command to motor 21 to cause mirror 22 to pivot 3 degrees about its pivot access to compensate for the deviation angle determined above.
  • a correction may depend on the type of vehicle (e.g., a pickup truck may have less deviation than a station wagon), wheelbase, seating position, cargo location, suspension configuration, etc.
  • level sensors for measuring a deviation from a factory-normal level condition of vehicle 1 at axle 30, one of skill will understand that other measurements could be used.
  • a spring/damper assembly associated with axle assembly 30 could be used to measure, for example, compression of the spring and/or travel of a damper rod associated with the damper. Using such measurements, deviation of a posture of vehicle 1 from factory-normal level at each axle assembly 30 may be determined. This may allow for each rearview mirror to be adjusted to compensate for the posture change according to embodiments disclosed herein.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)

Abstract

L'invention concerne un système de compensation de rétroviseur automatisé (22) destiné à un véhicule (1). Le système comprend un ou plusieurs moyens de détection de niveau (40) conçus pour mesurer un angle de déviation (θ) d'un axe d'un véhicule (1) par rapport à un plan de niveau prédéfini et pour fournir une sortie correspondant à l'angle de déviation, un rétroviseur réglable (22) comprenant des moyens de réglage (21) permettant le pivotement du rétroviseur (22) autour d'un ou plusieurs axes de rétroviseur, et un dispositif de commande (10) conçu pour recevoir la sortie du ou des moyens de détection de niveau et pour déterminer un angle de correction pour compenser l'angle de déviation en fonction d'une première position du rétroviseur réglable (22) à un angle de déviation de zéro, et pour amener le moyen de réglage à faire pivoter le rétroviseur (22) autour du ou des axes de rétroviseur en fonction de l'angle de correction.
PCT/EP2019/056327 2019-03-13 2019-03-13 Réglage de rétroviseur de véhicule automatisé WO2020182307A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2019/056327 WO2020182307A1 (fr) 2019-03-13 2019-03-13 Réglage de rétroviseur de véhicule automatisé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2019/056327 WO2020182307A1 (fr) 2019-03-13 2019-03-13 Réglage de rétroviseur de véhicule automatisé

Publications (1)

Publication Number Publication Date
WO2020182307A1 true WO2020182307A1 (fr) 2020-09-17

Family

ID=65802090

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/056327 WO2020182307A1 (fr) 2019-03-13 2019-03-13 Réglage de rétroviseur de véhicule automatisé

Country Status (1)

Country Link
WO (1) WO2020182307A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3122132A1 (fr) * 2021-04-26 2022-10-28 Psa Automobiles Sa Procédé et dispositif de réglage de rétroviseurs extérieurs d'un véhicule

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443057A (en) 1981-06-01 1984-04-17 Gentex Corporation Automatic rearview mirror for automotive vehicles
US4580875A (en) 1984-03-30 1986-04-08 Gentex Corporation Electronic control system for automatic rearview mirrors for automotive vehicles
US4684216A (en) 1984-07-28 1987-08-04 General Motors Corporation Automotive outside rearview mirror
US5859593A (en) 1989-03-31 1999-01-12 Aisin Seiki Kabushiki Kaisha Method and apparatus for controlling positions of members provided on a car
US6023229A (en) 1999-03-02 2000-02-08 Gentex Corp Rearview mirror with internally-mounted compass sensor
US20070263301A1 (en) * 2004-06-17 2007-11-15 Zohar Agrest System and Method for Automatic Adjustment of Mirrors for a Vehicle
TW200942440A (en) * 2008-04-08 2009-10-16 Univ Nat Taipei Technology Active rearview mirrors system of motorcycle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443057A (en) 1981-06-01 1984-04-17 Gentex Corporation Automatic rearview mirror for automotive vehicles
US4580875A (en) 1984-03-30 1986-04-08 Gentex Corporation Electronic control system for automatic rearview mirrors for automotive vehicles
US4684216A (en) 1984-07-28 1987-08-04 General Motors Corporation Automotive outside rearview mirror
US5859593A (en) 1989-03-31 1999-01-12 Aisin Seiki Kabushiki Kaisha Method and apparatus for controlling positions of members provided on a car
US6023229A (en) 1999-03-02 2000-02-08 Gentex Corp Rearview mirror with internally-mounted compass sensor
US20070263301A1 (en) * 2004-06-17 2007-11-15 Zohar Agrest System and Method for Automatic Adjustment of Mirrors for a Vehicle
TW200942440A (en) * 2008-04-08 2009-10-16 Univ Nat Taipei Technology Active rearview mirrors system of motorcycle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3122132A1 (fr) * 2021-04-26 2022-10-28 Psa Automobiles Sa Procédé et dispositif de réglage de rétroviseurs extérieurs d'un véhicule
WO2022229529A1 (fr) * 2021-04-26 2022-11-03 Psa Automobiles Sa Procédé et dispositif de réglage de rétroviseurs extérieurs d'un véhicule

Similar Documents

Publication Publication Date Title
US6293562B1 (en) Method and apparatus for controlling ride height of a wheeled vehicle
US5267466A (en) Apparatus and method for calibrating a suspension control module
US8188385B2 (en) Determination of the mass of a vehicle
US7877884B2 (en) Dynamic axle alignment system onboard a vehicle
US6655710B2 (en) System for detecting trailer instability
US6446980B1 (en) Device for determining the distance between vehicle body and vehicle wheel
EP1792759B1 (fr) Système de réglage en hauteur pour un système de suspension
US10179607B2 (en) Lane keeping system for autonomous vehicle in wind conditions using vehicle roll
JP3760118B2 (ja) 車両用灯具の照射方向制御装置
JPH09286274A (ja) 車両用前照灯光軸方向自動調整装置
US10864792B2 (en) Ride-height adjustment with leaf spring
US20080251307A1 (en) Speed Limiting for a Light-Weight Utility Vehicle
US11884121B2 (en) Active suspension device and control device for suspension
US10053149B1 (en) Static steering windup reduction
CN115674979A (zh) 空气悬架控制
WO2020182307A1 (fr) Réglage de rétroviseur de véhicule automatisé
US20220305868A1 (en) Active suspension device and control device for suspension
CN115674981A (zh) 空气悬架控制
US11161383B1 (en) Process and system for correcting longitudinal roll from offset load using active roll control
US7086763B2 (en) Apparatus for automatically adjusting direction of light axis of vehicle headlight
CN115674980A (zh) 空气悬架控制
US11840293B2 (en) Turning system for vehicle
US11338676B2 (en) Load sensing system for a vehicle and method of inhibiting vehicle movement based on sensed load
JP3963627B2 (ja) エアサスペンション車の車高調整装置
US20240109386A1 (en) Vehicular state estimation apparatus, and method of controlling operation of active suspension apparatus

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19711324

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19711324

Country of ref document: EP

Kind code of ref document: A1