EP3947055A1 - Procédé et dispositif de contrôle d'un système d'essuyage automatique pour véhicule - Google Patents
Procédé et dispositif de contrôle d'un système d'essuyage automatique pour véhiculeInfo
- Publication number
- EP3947055A1 EP3947055A1 EP20725842.7A EP20725842A EP3947055A1 EP 3947055 A1 EP3947055 A1 EP 3947055A1 EP 20725842 A EP20725842 A EP 20725842A EP 3947055 A1 EP3947055 A1 EP 3947055A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- parameter
- vehicle
- parameters
- information
- automatic
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000001556 precipitation Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000006870 function Effects 0.000 claims description 10
- 238000004590 computer program Methods 0.000 claims description 8
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000010408 sweeping Methods 0.000 description 7
- 230000001960 triggered effect Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
- G08G1/096725—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information generates an automatic action on the vehicle control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
- B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
- B60S1/0818—Wipers or the like, e.g. scrapers characterised by the drive electrically driven including control systems responsive to external conditions, e.g. by detection of moisture, dirt or the like
Definitions
- the invention relates to methods and devices for controlling an automatic vehicle wiping system, in particular of the automotive type.
- an automatic wiping system of one or more glass surfaces of the vehicle, for example the windshield.
- Such an automatic wiping system makes it possible to automatically activate the sweeping of the windshield (or other glass surface) by one or more wiper blades when rain is detected on the windshield.
- the detection of rain is obtained by one or more sensors and / or one or more cameras, as described in document FR 2 901 218.
- the frequency or the scanning timing advantageously varies with the intensity of the rain detected, in function of previously defined parameters. For example, tests are carried out in a test center to determine the sweeping parameters to apply depending on the intensity of the rain. These parameters are thus embedded in the vehicles and applied by default when the vehicle is traveling in a road environment in rainy weather, regardless of the geographical location of the road environment.
- some drivers may consider that the sweep is triggered too quickly, or not enough, relative to the quantity of rain detected, or else with a sweeping frequency that is too high or insufficiently high. These drivers can then deactivate the automatic wiping function and use a manual control mode for the wiper blades, by the use of manual control devices (for example comodo or wiper control lever) or choose to manually increase or decrease the sensitivity of the wiping via a sensitivity ring, such a ring generally being fixed to the wiping control.
- manual control devices for example comodo or wiper control lever
- Switching to a manual control mode or changing the sensitivity by the user then eliminates the automatic mode of operation developed and integrated into the vehicle, possibly creating frustration for these users.
- An object of the present invention is to improve the automatic wiper control fitted to a vehicle so that the latter is suitable for the greatest number of drivers or for particular climatic conditions.
- the invention relates to a method for controlling an automatic wiping system of a vehicle, the method comprising the steps of:
- the at least one first parameter is associated with first time information
- the at least one second parameter is associated with second time item of information
- the at least one first parameter and the at least one second parameter being transmitted when the difference between the first time information and the second time item of information is less than a determined value.
- the method further comprises a step of receiving at least one third parameter for automatically controlling the wiping of the at least one wiper, the at least one third parameter being determined from a set of parameters. comprising at least the at least one first parameter and the at least one second parameter.
- a second piece of geographic location information is associated with the at least one third parameter.
- the method further comprises a step of replacing the at least one first parameter by the at least one third parameter.
- the replacement step is implemented only when the second geographic location information corresponds to the first geographic location information.
- the invention relates to a device for controlling an automatic vehicle wiping system, the device comprising a memory associated with a processor configured for the implementation of the steps of the method according to the first aspect of invention.
- the invention relates to a system for controlling an automatic wiping system of a vehicle, the system comprising at least one rain detector, at least one manual wiper control device. , and the device according to the second aspect of the invention.
- the invention relates to a vehicle, for example of the automobile type, comprising a device as described above according to the second aspect of the invention or the system as described above according to the third aspect of the invention. 'invention.
- the invention relates to a computer program which comprises instructions adapted for the execution of the steps of the method according to the first aspect of the invention, this in particular when the computer program is executed by at least one. processor.
- Such a computer program can use any programming language, and be in the form of a source code, of an object code, or of an intermediate code between a source code and an object code, such as in a partially compiled form, or in any other desirable form.
- the invention relates to a recording medium readable by a computer on which is recorded a computer program comprising instructions for carrying out the steps of the method according to the first aspect of the invention.
- the recording medium can be any entity or device capable of storing the program.
- the medium may comprise a storage means, such as a ROM memory, a CD-ROM or a ROM memory of the microelectronic circuit type, or else a magnetic recording means or a hard disk.
- this recording medium can also be a transmissible medium such as an electrical or optical signal, such a signal being able to be conveyed via an electrical or optical cable, by conventional or hertzian radio or by self-directed laser beam or by other ways.
- the computer program according to the invention can in particular be downloaded over an Internet-type network.
- the recording medium can be an integrated circuit in which the computer program is incorporated, the integrated circuit being adapted to execute or to be used in the execution of the method in question.
- FIG. 1 schematically illustrates a set of vehicles exchanging data representative of the configuration of the automatic wiping systems fitted to these vehicles, according to a particular embodiment of the present invention
- FIG. 2 schematically illustrates a device configured to control an automatic wiping system of a vehicle of Figure 1, according to a particular embodiment of the present invention
- FIG. 3 illustrates a flowchart of the various steps of a method for controlling an automatic wiping system of a vehicle of FIG. 1, according to a first particular embodiment of the present invention
- FIG. 4 illustrates a flowchart of the various steps of a method for controlling an automatic wiping system of a vehicle of FIG. 1, according to a second particular embodiment of the present invention.
- a method for checking or controlling a wiping system fitted to a vehicle comprises the transmission of one or more first control parameters automatic wiping of one or more wipers.
- These first parameters are advantageously determined automatically according to an intensity of precipitation detected by the vehicle, for example the density of raindrops received on one or more glazed surfaces of the vehicle at a determined instant 't'.
- One or more second manual wiper control parameters are also transmitted. These second parameters correspond for example to parameters desired by the driver or a passenger of the vehicle, these second parameters being for example provided by the actuation of a control member.
- control for example a comodo or a joystick placed near the steering wheel of the vehicle.
- a first piece of information representative of the geographical location of the vehicle is also transmitted, this first piece of information being associated with the first and second parameters.
- the transmission of automatic and manual wiping control parameters allows for adjustments made by the operator when the automatic wiping of one or more glass surfaces is triggered when rain is detected.
- the transmission of information relating to the geographical location of the vehicle makes it possible to refine such taking into account depending on the location of the vehicle (s) transmitting these parameters.
- FIG. 1 schematically illustrates a communication environment 1 comprising a set of vehicles 10, 1 1, 12 exchanging data representative of the configuration of the automatic wiping systems fitted to these vehicles, according to a particular and non-limiting example of the present invention .
- the set of vehicles comprises for example a first motor vehicle 10, a second motor vehicle 11 and a truck 12.
- Each of these vehicles is equipped with an automatic wiping system.
- Such an automatic wiping system is generally composed of a rain detector associated with a computer which controls the automatic control of one or more windshield wipers as a function of the intensity of the detected precipitation.
- the automatic wiping function is advantageously associated with a first parameter which corresponds to a triggering threshold and with a second parameter which corresponds to the wiping speed (or in an equivalent manner to the wiping frequency) of the wiper (s).
- the trigger threshold is a predetermined parameter and is fixed once and for all.
- the scanning speed is also determined automatically (by the system or by the ECU), from for example a set of possible speed values (for example 2, 3 or 4 values), depending on the quantity of rain detected.
- the automatic wiping system is advantageously associated with a manual control member (a comodo or a joystick generally located near the steering wheel), actuation of which by the driver of the vehicle enables the scanning to be activated when the driver so wishes.
- This manual control unit also allows the driver to select a scanning mode from among several modes, for example intermittent or continuous scanning.
- This manual control member also comprises a device, for example a ring, making it possible to select a scanning speed from among a set of scanning speed values.
- the manual control unit also makes it possible to stop the wiping when the operator wishes, whether the wiping has been initiated manually or automatically.
- the manual activation of the wiping has priority over the automatic activation of the wiping. This means that the sweep can be triggered manually even if the rain sensor has not detected any precipitation or a level of precipitation below the predetermined threshold.
- the automatic sweeping can be stopped at any time via the manual controller and the automatically determined sweeping speed according to the intensity of the precipitation can be increased or decreased at any time by the driver via the manual control organ.
- the automatic wiping system (or the computer for the automatic wiping system) of each of the vehicles 10 to 12 is advantageously in communication with a remote server (for example the “cloud” 100 (or “cloud” in French)) via an OTA-type wireless link (from the English “over-the-air", or in French "by air”).
- a remote server for example the “cloud” 100 (or “cloud” in French)
- This link is symbolized by arrows in FIG. 1, an arrow illustrating the upward path (from the vehicle to the "cloud” 100) for the transmission of data from the vehicle 10, 1 1 and / or 12 to the "cloud” 100 , and another arrow in the opposite direction illustrating the downward path (from the “cloud” 100 to the vehicle) for the transmission of data from the “cloud” 100 to the vehicle 10, 1 1 and / or 12.
- the vehicle 10 transmits for example to the "cloud" 100 one or more first parameters representative of automatic wiping (when the latter is triggered following the detection of precipitation) among the following parameters:
- the vehicle 10 also transmits one or more second parameters representative of the manual wiping (when the latter is triggered following the actuation of the manual control member from among the following parameters:
- Time information is advantageously associated (and transmitted) with all or part of the first and second parameters.
- temporal information is associated with:
- This time information is for example determined from the internal clock of the computer controlling the automatic wiping system.
- a first piece of information on the geographic location of the vehicle 10 is transmitted by the vehicle 10 to the “cloud” 100.
- This information of geographic location is for example determined from a GPS system (standing for “Global Positioning System” or in French). "Global Positioning System" fitted to the vehicle From the data transmitted by the vehicle 10 (and by the other vehicles 11 and 12 if applicable), the remote server 100 having received the data is able to adjust the first parameters of the automatic mode of the wiping system, for example by comparing the values of the first parameters received with the values of the second parameters received.
- the remote server 100 advantageously compares only the data having a first comparable associated geographic location information item, for example compares with each other the data originating from the same geographic area (for example the same region of a given country).
- the automatic trigger threshold is advantageously lowered.
- This first parameter is for example adjusted only if a majority of drivers (among all the data received from the vehicles located in the zone in question) applies a manual triggering before the automatic triggering (or if a share of the drivers above a given threshold acts that way).
- the first parameters representative of the automatic sweep rates to be applied as a function of the level or intensity of detected precipitation are adjusted if the comparison with the second parameters representative of the manually required sweep rates differ.
- the remote server 100 (or the “cloud”) sends back data to the vehicles 10 to 12 via the OTA link comprising the first updated parameters.
- a second piece of information representative of a geographical location is for example associated with this data to indicate which geographical area is concerned by the update.
- the update data is only sent in the relevant geographic area, making the transmission of the second geographic information unnecessary.
- FIG. 2 schematically illustrates a computer 2 of an on-board vehicle system, according to a particular and non-limiting embodiment of the present invention.
- the computer 2 is for example configured for the implementation of the steps of the method described with reference to FIG. 3 and / or to FIG. 4.
- Examples of such a computer 2 include, without being limited thereto, on-board electronic equipment. such as an on-board computer of a vehicle, an electronic computer such as an ECU ("Electronic Control Unit” or in English ECU “Electronic Control Unit”).
- ECU Electronic Control Unit
- the elements of the computer 2, individually or in combination, can be integrated in a single integrated circuit, in several integrated circuits, and / or in discrete components.
- the computer 2 can be produced in the form of electronic circuits or software (or computer) modules or else a combination of electronic circuits and software modules.
- the computer 2 is coupled in communication with other devices or similar systems, for example by means of a communication bus or through dedicated input / output ports.
- the computer 2 comprises one (or more) processor (s) 20 configured to execute instructions for carrying out the steps of the method and / or for executing the instructions of the software (s) embedded in the computer 2.
- the processor 20 can include integrated memory, an input / output interface, and various circuits known to those skilled in the art.
- the computer 2 further comprises at least one memory 21 corresponding, for example, to a volatile and / or non-volatile memory and / or comprises a memory storage device which may comprise volatile and / or non-volatile memory, such as EEPROM, ROM, PROM, RAM, DRAM, SRAM, flash, magnetic or optical disk.
- the computer code of the on-board software (s) comprising the instructions to be loaded and executed by the processor is for example stored in the memory 21.
- the first and second parameters, the geographic location information and / or the associated time information are advantageously stored in the memory. memory 21.
- the computer 2 comprises a block 22 of interface elements for communicating with external devices, for example a remote server or the “cloud”, odometric sensors, a GPS sensor and / or any other sensor, for example the rain detector (s).
- the interface elements of block 22 include one or more of the following interfaces:
- radiofrequency interface for example of the Bluetooth® or Wi-Fi® type, LTE (from English “Long-Term Evolution” or in French “Long-term evolution”), LTE-Advanced (or in French LTE-advanced );
- USB interface from English “Universal Serial Bus” or “Bus Universel en Série” in French);
- Data is for example loaded to computer 2 via the interface of block 22 using a Wi-Fi® network such as according to IEEE 802.1 1 or a mobile network such as a 4G network (or LTE Advanced according to 3GPP release 10 - version 10) or 5G.
- a Wi-Fi® network such as according to IEEE 802.1 1
- a mobile network such as a 4G network (or LTE Advanced according to 3GPP release 10 - version 10) or 5G.
- the computer 2 comprises a communication interface 23 which makes it possible to establish communication with other devices (such as other computers of the on-board system, for example one or more computers in charge of recovering the data measured by the rain detector) via a communication channel 230.
- the communication interface 23 corresponds for example to a transmitter configured to transmit and receive information and / or data via the communication channel 230.
- the interface communication 23 corresponds for example to a wired network of the CAN type (standing for “Controller Area Network” or in French “Network of controllers”) or CAN FD (standing for “Controller Area Network Flexible Data-Rate” or in French “Flexible data rate controller network”).
- the computer 2 can supply output signals to one or more external devices, such as a display screen, a or loudspeakers and / or other peripherals respectively via output interfaces not shown.
- external devices such as a display screen, a or loudspeakers and / or other peripherals respectively via output interfaces not shown.
- FIG. 3 illustrates a flowchart of the different steps of a method for controlling an automatic wiping system of a vehicle, according to a first particular and non-limiting embodiment of the present invention.
- the method is for example implemented by part of the on-board system of the vehicle or by the device 2 of FIG. 2.
- one or more first automatic wiping control parameters of at least one wiper are transmitted, for example via a wireless link to a remote server.
- This or these first parameters are advantageously determined as a function of the intensity of precipitation (for example rain or snow) received by the vehicle, for example the amount of rain received on a unit of area, for example a glazed surface.
- the first parameter or parameters correspond for example to one or more of the following parameters:
- one or more second manual sweep control parameters of the windshield wiper (s) are transmitted, for example via the wireless link used to transmit the first parameters.
- the second parameters are for example obtained by the actuation of a manual wiping control member by a user, for example the driver of the vehicle.
- the second parameter or parameters correspond for example to one or more of the following parameters:
- a first piece of information on the geographical location of the vehicle is transmitted. This first information is advantageously associated with the first parameter (s) transmitted and with the second parameter (s) transmitted.
- Steps 31 to 33 are advantageously repeated each time the wiping of the windshield wipers is activated automatically following the detection of a sufficient level (that is to say greater than the trigger threshold) of precipitation. If no sweep parameter is manually changed by the operator, a default value is transmitted in place of the second parameter (s), indicating that the automatic wiping parameter (i.e. the first parameters) is satisfactory and does not require any adjustment.
- FIG. 4 illustrates a flowchart of the various steps of a method for controlling an automatic wiping system of a vehicle, according to a second particular and non-limiting embodiment of the present invention.
- the method is for example implemented by part of the on-board system of the vehicle or by the device 2 of FIG. 2.
- one or more first automatic wiping control parameters of at least one windshield wiper are determined as a function of the intensity of the precipitation (for example rain or snow) received by the vehicle, for example the quantity of rain received on a unit area.
- a first time information is associated with each of these first parameters or a first unique time item of information is associated with the set of first parameters. This first time information is for example obtained from the internal clock of the computer in charge of determining the first parameters.
- a second step 42 one or more second one or more second manual wiping control parameters of the wiper (s) are determined or obtained from a manual control device for wiping the vehicle wiper (s).
- a second temporal information is associated with each of these second parameters or a second unique time information item is associated with the set of second parameters. This second time information is for example obtained from the internal clock of the computer in charge of determining or obtaining the second parameters.
- a third step 43 the first and second time information is compared. If the difference between this first and second time information is greater than a threshold (for example 1 min, 10 min or 30 min), then the process goes to step 431 and stops. This means that there is no correlation between the triggering of automatic wiping and a manual adjustment of this wiping by the driver, the time interval between the implementation of the automatic mode and that of the manual mode being too important. If the difference between these first and second time information is less than the threshold, then the process goes to step 44.
- a threshold for example 1 min, 10 min or 30 min
- a fourth step 44 the first parameters and the second parameters are transmitted with a first piece of information on the geographical location of the vehicle.
- one or more third parameters for automatic sweeping control of the vehicle wiper (s) are received, for example via the OTA link used for the transmission of the first and second parameters.
- This or these third parameters are for example broadcast in “broadcast” mode (“diffusion” in French).
- These third parameters are advantageously determined from a set of parameters comprising the first and second parameters transmitted.
- These third parameters are for example determined from a set of first and second parameters received from a plurality of vehicles all moving in the same geographical area.
- These third parameters are determined to adjust or replace the first parameters, to take account of the manual adjustments made by the drivers moving in the geographical area considered, these manual adjustments being represented by the second parameters.
- These third parameters are for example obtained by comparing the first parameters with the second parameters and by modifying the values of the first parameters so that they approximate the second parameters as a function of the precipitation intensities detected when the first and second parameters were detected or entered.
- a second piece of geographic location information is advantageously associated with the third parameters. This second information makes it possible to specify to which geographical zone these third parameters apply.
- a sixth step 46 the first geographic location information item representing the position of the vehicle at the time when it receives the third parameters is compared with the second geographic location information item. If the first item of information is different from the second item of information or if the geographical location of the vehicle is not included in the geographical area targeted by the second item of information, then the process goes to step 461 and stops, that is, that is, the first parameters are not replaced by the third parameters. If the first geographic location information and the second geographic location information match, then the process goes to step 47.
- a seventh step 47 the computer which receives the third parameters is updated to adjust the configuration of the automatic wiping system by replacing the first parameters with the third parameters.
- the invention is not limited to the embodiments described above but extends to a method for updating a computer controlling the automatic wiping of a vehicle and to the device configured for the setting. implementation of such a process.
- the invention also relates to a vehicle, for example a motor vehicle or more generally a land motor vehicle, comprising the device 2 of FIG. 2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1903512A FR3094682B1 (fr) | 2019-04-02 | 2019-04-02 | Procédé et dispositif de contrôle d’un système d’essuyage automatique pour véhicule |
| PCT/FR2020/050459 WO2020201646A1 (fr) | 2019-04-02 | 2020-03-05 | Procédé et dispositif de contrôle d'un système d'essuyage automatique pour véhicule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3947055A1 true EP3947055A1 (fr) | 2022-02-09 |
Family
ID=67742646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20725842.7A Withdrawn EP3947055A1 (fr) | 2019-04-02 | 2020-03-05 | Procédé et dispositif de contrôle d'un système d'essuyage automatique pour véhicule |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3947055A1 (fr) |
| FR (1) | FR3094682B1 (fr) |
| WO (1) | WO2020201646A1 (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2901218B1 (fr) | 2006-05-22 | 2009-02-13 | Valeo Vision Sa | Procede de detection de pluie sur un parebrise |
| US20170349148A1 (en) * | 2016-06-03 | 2017-12-07 | GM Global Technology Operations LLC | Method and apparatus for detecting road condition data and weather condition data using vehicular crowd-sensing |
| CN107933508B (zh) * | 2017-11-26 | 2020-09-25 | 瑞安市久智电子商务有限公司 | 一种雨刷智能启动系统 |
| CN109501727A (zh) * | 2018-12-29 | 2019-03-22 | 华人运通控股有限公司 | 一种基于雨刷的信息处理方法及装置 |
-
2019
- 2019-04-02 FR FR1903512A patent/FR3094682B1/fr not_active Expired - Fee Related
-
2020
- 2020-03-05 EP EP20725842.7A patent/EP3947055A1/fr not_active Withdrawn
- 2020-03-05 WO PCT/FR2020/050459 patent/WO2020201646A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020201646A1 (fr) | 2020-10-08 |
| FR3094682A1 (fr) | 2020-10-09 |
| FR3094682B1 (fr) | 2021-02-26 |
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