FR3107875A1 - Method and device for controlling the activation of vehicle indicators - Google Patents

Abstract

The invention relates to a method and a device for controlling the activation of turn signals in a vehicle (10). To this end, a first piece of information representative of the deactivation of a lane-keeping assistance system (11), called the LKA system, of the vehicle (10) is received. A second piece of information representative of an inactive state of the vehicle's turn signals (10) is also received during a time interval corresponding to the moment when the LKA system was deactivated. A change of traffic lane without activation of the vehicle's flashing light (10) is detected on the basis of the first information and the second information. The detection of such a change of wire without activating a flashing light causes the generation of one or more alerts, for example to the vehicle (10) to alert the driver and / or to one or more remote servers to alert thirds of driver behavior. Figure for the abstract: Figure 1

Description

Vehicle turn signal activation control method and device

The invention relates to methods and devices for controlling the activation of the turn signals of a vehicle, in particular an automobile. The invention also relates to a method and a device for controlling the behavior of a driver of a vehicle.

Technology background

With the development of the road network and the increase in the number of traffic lanes, road safety is becoming a major concern. Indeed, with the increasing number of vehicles on the road network, the risk of collisions increases.

To improve road safety, some vehicles are equipped with functions or system(s) or driving assistance, known as ADAS (from the English "Advanced Driver-Assistance System" or in French "Système d'aide à la conduct advanced”), such as, for example, lane crossing detection systems, automatic speed control systems. However, all these systems do not replace the vigilance of the driver of a vehicle whose good behavior on the road guarantees increased safety, for him and for others.

It therefore appears necessary to control the behavior of vehicle drivers to ensure that the rules of conduct are properly followed to guarantee the safety of vehicles and their passengers on the roads.

An object of the present invention is to improve the monitoring of the behavior of the driver of a vehicle.

Another object of the present invention is to improve road safety.

According to a first aspect, the invention relates to a method for controlling the activation of turn signals of a vehicle, the vehicle traveling in a line of traffic, the method comprising the following steps:

- reception of a first piece of information representative of the deactivation of a system to help keep the vehicle in line;

- reception of a second piece of information representative of an inactive state of the vehicle's direction indicators during a time interval comprising a time instant associated with the deactivation of the assistance system for maintaining in the traffic lane;

- detection of a change of traffic lane not signaled by activation of the vehicle's direction indicators according to the first information and the second information;

- generation of at least one alert depending on the detection.

Alternatively, further comprising the following steps:

- activation of the system to help keep the vehicle in the line of traffic, the activation comprising the determination of at least one setpoint steering wheel angle value by the system to correct a trajectory of the vehicle and keep the vehicle in the traffic queue;

- measurement of at least one real steering wheel angle value following activation;

- comparison of the at least one setpoint steering wheel angle value with the at least one actual steering wheel angle value;

- deactivation of the aid system for keeping in the line of traffic of the vehicle when a result of said comparison is representative of a difference between the at least one setpoint steering wheel angle value and the at least one angle value actual steering wheel;

- generation of the first information.

According to another variant, the first information and the second information are transmitted on a data bus of the on-board system of the vehicle.

According to an additional variant, the steps of receiving the first piece of information, of receiving the second piece of information and of detecting a change of traffic lane not signaled by an activation of the turn signals are repeated over a determined period of time, the generation of at least one alert comprising a determination of a number of lane changes not signaled by an activation of the vehicle's indicators detected from the first and second information.

According to another variant, the method further comprising a step of rendering the at least one alert in the vehicle to alert at least one passenger of the vehicle of a detection of a lane change not signaled by an activation of the turn signals.

According to yet another variant, the method further comprises a step of transmitting the first information and the second information to a remote device via a wireless link, the detection and the generation being implemented by the remote device.

According to an additional variant, the method further comprises a step of transmitting third information representative of detection of the change of lane of traffic not signaled by an activation of the turn signals to a remote device via a wireless link, the generation being implemented by the remote device.

According to a second aspect, the invention relates to a device for controlling the activation of indicators of a vehicle, 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 the invention .

According to a third aspect, the invention relates to a system comprising the device as described above according to the second aspect of the invention and a remote device connected to the device according to the second aspect via a wireless link, the system being configured to the implementation of the steps of the method according to the first aspect of the invention.

According to a fourth aspect, 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.

According to a fifth aspect, 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 source code, object code, or intermediate code between source code and object code, such as in a partially compiled form, or in any other desirable form.

According to a sixth aspect, the invention relates to a computer-readable recording medium on which is recorded a computer program comprising instructions for the execution of the steps of the method according to the first aspect of the invention.

On the one hand, the recording medium can be any entity or device capable of storing the program. For example, 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 even a magnetic recording means or a hard disk.

On the other hand, 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 from an Internet-type network.

Alternatively, the recording medium may 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.

Brief description of figures

Other characteristics and advantages of the invention will emerge from the description of the non-limiting embodiments of the invention below, with reference to the appended figures 1 to 3, in which:

schematically illustrates a vehicle circulating in a lane, according to a particular embodiment of the present invention;

schematically illustrates a device configured to control the activation of the direction indicators of the vehicle of FIG. 1, according to a particular embodiment of the present invention;

illustrates a flowchart of the different steps of a method for controlling the activation of the direction indicators of the vehicle of FIG. 1, according to a particular embodiment of the present invention.

A method and a device for controlling the activation of the turn signals of a vehicle will now be described in the following with reference in conjunction with FIGS. 1 to 3. The same elements are identified with the same reference signs throughout the description that follows.

According to a particular and non-limiting embodiment of the invention, a method for controlling the activation of one or more indicators of a vehicle comprises the reception, for example by a computer of the vehicle's on-board system, of a first piece of information representative of the deactivation of an assistance system for keeping in the line of circulation of the vehicle. Such a system is also known as the LKA system (from the English “Lane-Keeping Assist” or in French “Assistant de maintain dans la queue”). A second piece of information representative of an inactive state of the vehicle's turn signals is also received, for example by the computer, during a time interval corresponding to the moment when the LKA system was deactivated, that is to say a time interval comprising the time instant associated with the deactivation of the LKA system. A change of traffic lane without activation of the vehicle's turn signal is thus detected on the basis of the first information and the second information. The detection of such a change of wire without activation of the turn signal leads to the generation of one or more alerts, for example intended for the vehicle to alert the driver and/or intended for one or more remote servers to alert third parties of the faulty driver behavior (failure to activate the turn signal when changing lanes).

The detection of the absence of activation of the turn signal when changing traffic lanes, itself detected by deactivation of the LKA system, and the generation of an alert makes it possible to monitor the behavior of the vehicle and its driver , the safety of the vehicle being improved by the generation of an alert following this detection.

schematically illustrates a vehicle 10 traveling in a road environment 1, according to a first particular and non-limiting example of embodiment of the present invention.

FIG. 1 illustrates a road environment 1 comprising for example a line of traffic 11 on which a vehicle 10 travels, for example a motor vehicle or any other land vehicle (truck or bus for example).

The traffic queue 11 is materialized by markings on the ground, also called horizontal markings, corresponding to lines 101, 102 drawn on the ground. The lines 101 and 102 are for example detected by the vehicle 10 from data obtained from one or more sensors on board the vehicle 10. These data are for example obtained by a ground marking detection system on board the vehicle 10 Such a system comprises for example one or more cameras for acquiring images of the road at the front and/or at the rear of the vehicle 10. Image processing is applied to these images to determine the presence lines on the ground and classify these lines into different categories, for example to determine whether the lines on the ground correspond to shore lines or center lines for example. An example of image processing to detect lines on the ground is for example described in the document WO2017194890A1. The traffic lane 11 on which the vehicle 10 is traveling is thus detected or determined from the lines 101 and 102.

The result of the detection of the lines 101 and 102 by the vehicle 10 is for example used by the vehicle 10 to determine the middle 103 of this traffic lane 11 illustrated in FIG. 1 by a fine dotted line 103, this dotted line 103 not corresponding to a marking on the ground.

By using the result of the detection of the lines 101 and 102 and/or the middle 103 of the traffic lane 11, the vehicle 10 detects whether it is approaching one of the side lines 101 or 102 or whether it is deviating from the middle 103 of the traffic queue, for example by acquiring images of the traffic queue 11 in front of the vehicle 10. When the vehicle 10 detects that it is deviating from the middle 103 of the queue, that it is approaching a side line 101 and/or that it crosses such a line 101 and that the indicators of the vehicle 10 have not been activated, the assistance system for keeping in the line of traffic, known as the LKA system, on board the vehicle 10 activates automatically. The automatic activation of the LKA system leads to the determination of setpoint steering wheel angle values allowing the vehicle 10 to return to the lane of traffic 11 or to remain in the lane of traffic 11, for example to return to the middle 103 of this file 11.

To do this, the vehicle 10 uses for example the electronic stability control system fitted to the vehicle 10, known by the acronyms ESC (from the English "Electronic Stability Control" or in French "Electronic Stability Control"), DSC (from the English “Dynamic Stability Control” or in French “Dynamic Stability Control”) or even ESP (from the English “Electronic Stability Program” or in French “Electronic Stability Program”). The ESC system acts on the braking system by adjusting the braking wheel by wheel to reinforce grip and limit loss of stability on the road by controlling the trajectory. The ESC system uses the hydraulic braking circuit of the vehicle 10 to slow down one or more wheels and thus cause forces on the car 10 in a direction determined for example by the steering wheel angle values of instructions determined by the LKA system.

The LKA system is automatically deactivated by:

- the activation of the vehicle's turn signals 10 indicating the driver's intention to change lanes of traffic; and or

- the presence of a counter torque applied by the driver to the steering wheel to counter the torque applied to the steering wheel by the LKA system in accordance with the set steering wheel angle values allowing the vehicle 10 to be kept in its lane 11.

In a first operation, first information representative of the deactivation of the LKA system is received, for example by a computer of the on-board system of the vehicle 10. This first information corresponds for example to information sent by the LKA system on a wired network, by example a multiplexed data bus, connecting the computers of the vehicle's on-board system. Such a wired network corresponds for example to a network of the CAN type (from the English “Controller Area Network” or in French “Réseau de Contrôleurs”), CAN FD (from the English “Controller Area Network Flexible Data-Rate” or in French “Flexible Data Rate Controller Network”), FlexRay (according to ISO 17458 standard) or Ethernet (according to ISO/IEC 802.3 standard). The first information corresponds for example to a binary value reflecting the active or inactive state of the LKA system, the deactivation of the LKA system being detected by the computer via the first information indicating the change of state of the LKA system from active to inactive ( or from enabled to disabled). The first piece of information transmitted over the wired network of the on-board system also triggers the display of a pictogram on the vehicle's dashboard, for example, to alert the driver of the deactivation of the LKA system. An audible warning is also potentially emitted in the passenger compartment of the vehicle 10 when the LKA system is deactivated.

According to a variant embodiment, this first piece of information is received by one or more remote devices, for example a server of the “cloud” 1000 (or “cloud” in French). This first piece of information is for example transmitted by the vehicle 10 to the destination of the remote device(s) via a wireless link. The wireless link is based for example on a cellular communication network of the LTE type (from the English “Long-Term Evolution” or in French “Long-Term Evolution”) 4G or 5G or on a communication network of the vehicle to everything, known as V2X (Vehicle-to-Everything), relying on a network infrastructure comprising one or more relay station 1001 (in the case of cellular-type communication) and/or a or more roadside units, called UBR.

According to yet another variant, the first piece of information is transmitted via a wireless connection of the Wifi® type (for example according to IEEE 802.11 a/b/g/n) or Bluetooth® to a remote device, corresponding for example to a mobile communication device (e.g. smart phone or tablet), laptop or vehicle diagnostic device.

According to another example, the first piece of information is transmitted to a remote device according to a wired connection, for example during a diagnosis or an overhaul of the vehicle 10.

According to yet another variant, the first piece of information is stored in the memory of the computer (associated for example with time-stamping information) before being transmitted to the remote device.

According to another variant embodiment, the computer detects the deactivation of the LKA system by comparing one or more actual steering wheel angle values measured by a steering wheel angle sensor (known as CAV sensor) with one or more steering wheel angle values setpoint provided by the LKA system, deactivation being detected or confirmed when a difference appears between the measured values and the setpoint values. The measurement of current and real values taken by the steering wheel angle and the comparison with the setpoint values provided by the LKA system make it possible to detect voluntary action on the steering wheel on the part of the driver, to counter the LKA system which seeks to maintain the vehicle in the traffic queue 11. It is thus determined that the driver voluntarily wishes to change lanes, which leads to the automatic deactivation of the LKA system, and the transmission of the first information on the data bus of the on-board system of the vehicle 10.

In a second operation, a second piece of information representative of an inactive state of the vehicle's direction indicators is received, for example by the computer having received the first piece of information. This second piece of information enables the computer to determine whether the indicators were activated when the LKA system was deactivated, that is to say at a time close to the time of reception of the first piece of information. Thus, the second piece of information corresponds to information received during a time interval comprising the time instant associated with the deactivation of the system to help keep people in the traffic queue.

This second piece of information corresponds, for example, to wired information of the binary type acquired by the computer or the intelligent service box, known as BSI, of the vehicle 10 when this second piece of information is transmitted over the wired network, for example the data bus, of the system. on board the vehicle. The second information corresponds to a binary value taking a first value when the turn signals are active or activated and a second value when the turn signals are inactive or deactivated. This second piece of information thus enables the computer to determine whether or not the direction indicators have been activated when the LKA system is deactivated.

According to a variant embodiment, this second piece of information is received like the first piece of information by one or more remote devices, for example a server of the “cloud” 1000 (or “cloud” in French). This second piece of information is for example transmitted by the vehicle 10 to the destination of the remote device(s) via the wireless link described with regard to the first operation.

According to another example, the second piece of information is transmitted to a remote device according to a wired connection, for example during a diagnosis or an overhaul of the vehicle 10.

According to yet another variant, the second piece of information is stored in the memory of the computer (associated for example with time-stamping information) before being transmitted to the remote device.

In a third operation, the computer detects a change of traffic lane not signaled by the activation of the indicators according to the first information and the second information.

According to a variant embodiment, the detection is implemented by one or more remote devices of the “cloud” 1000 having received the first and second information.

A traffic lane change not signaled by the activation of the indicators is advantageously detected when the first information indicates that the LKA system has been deactivated automatically (for example deactivated after automatic activation following the detection or measurement of a counter torque exerted by the driver on the steering wheel to counter the LKA system, i.e. when the steering wheel angle values measured by the CVA sensor are different from the setpoint steering wheel angle values) and when the second piece of information indicates an inactive state of the vehicle's turn signals when the LKA system is automatically deactivated.

On the contrary, if the deactivation of the LKA system was due to an activation of the indicators (second information indicating an activated state of the indicators during the automatic deactivation of the LKA system), the computer would detect a change of lane of traffic correctly signaled by activation of the indicators .

According to a variant embodiment, a third piece of information representative of detection of the change of traffic lane not signaled by an activation of the turn signals is received as the first piece of information by one or more remote devices, for example a server of the “cloud” 1000 (or “ cloud” in French). This third piece of information is for example transmitted by the vehicle 10 to the destination of the remote device(s) via the wireless link described with regard to the first operation.

According to another example, the third piece of information is transmitted to a remote device according to a wired connection, for example during a diagnosis or an overhaul of the vehicle 10.

According to yet another variant, the third piece of information is stored in the memory of the computer (associated for example with time-stamping information) before being transmitted to the remote device.

In a fourth operation, one or more alerts are generated following the detection of a lane change not signaled by activation of the indicators.

This or these alerts are for example generated by the computer implementing the first, second and third operations. According to a variant, this or these alerts are generated by one or more remotes having received the first and second information and/or the third information.

According to a particular embodiment, the generation of an alert corresponds to the rendering of the alert in the passenger compartment of the vehicle 10, the rendering corresponding for example to a display of a message or of a pictogram on a screen of display or on the dashboard to alert the driver to the absence of activation of the indicators when changing lanes. According to a variant, a sound alert is also rendered (for example in addition to the display of the alert) on one or more loudspeakers, the sound alert corresponding for example to a determined sound or to a voice message rendered by voice synthesis and reminding the driver to activate his indicators when changing lanes.

When the alerts are generated by a remote device (for example a server), these alerts are for example transmitted to the vehicle 10 via the wireless link to be returned in the vehicle 10.

According to another particular embodiment, the computer or a remote device determines the number of times a change of traffic lane not signaled by the turn signals has been detected. An event report is for example issued, for example for statistical purposes, for example to alert third-party organizations, for example the insurance company insuring the vehicle, the company that built the vehicle 10, services providing security on roads. According to a variant, an alert is generated when the number of unsignaled lane changes is greater than a threshold. According to another variant, this event report is transmitted to a mobile communication device (for example a smart phone or a tablet), for example a mobile communication device belonging to the driver to alert the latter to his potentially dangerous behavior.

According to a variant embodiment, image processing, for example according to a machine learning and/or artificial intelligence method, is applied to a set of images acquired by one or more cameras on board the vehicle 10, this or these cameras having in their field of view the portion of the traffic queue 11 situated in front of the vehicle 10. The image processing(s) carried out make it possible to verify that a line crossing 101 and/or that a change of line of traffic has taken place, thus confirming the first information.

schematically illustrates a device 2 configured to control the activation of the turn signals of a vehicle, according to a particular and non-limiting embodiment of the present invention. The device 2 corresponds for example to a device on board the vehicle 10, for example a computer, or to a device dismounted from the vehicle 10 such as a computer or a server.

The device 2 is for example configured for the implementation of the operations described with regard to FIG. 1 and/or the steps of the method described with regard to FIG. 3. Examples of such a device 2 comprise, without being limited thereto , on-board electronic equipment such as a vehicle's on-board computer, an electronic computer such as an ECU ("Electronic Control Unit"), a smart telephone (from the English "smartphone"), a tablet, a laptop, a server. The elements of device 2, individually or in combination, can be integrated in a single integrated circuit, in several integrated circuits, and/or in discrete components. The device 2 can be made in the form of electronic circuits or software (or computer) modules or else a combination of electronic circuits and software modules. According to different particular embodiments, the device 2 is coupled in communication with other similar devices or systems, for example via a communication bus or through dedicated input/output ports.

The device 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 or software embedded in the device 2. The processor 20 can include integrated memory, an input/output interface, and various circuits known to those skilled in the art. The device 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 can 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 or software comprising the instructions to be loaded and executed by the processor is for example stored on the memory 21.

According to a particular and non-limiting embodiment, the device 2 comprises a block 22 of interface elements for communicating with external devices, for example a remote server or the "cloud", on-board sensors, devices such as radar or camera. Block 22 interface elements include one or more of the following interfaces:

- RF radio frequency interface, for example of the Bluetooth® or Wi-Fi® type, LTE (from English “Long-Term Evolution” or in French “Evolution à long terme”), LTE-Advanced (or in French LTE-avanced );

- USB interface (from the English “Universal Serial Bus” or “Bus Universel en Série” in French);

- HDMI interface (from the English “High Definition Multimedia Interface”, or “Interface Multimedia Haute Definition” in French);

- LIN interface (from English “Local Interconnect Network”, or in French “Réseau interconnecté local”).

According to another particular embodiment, the device 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 when the device 2 corresponds to a computer of the on-board system ) 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 communication interface 23 corresponds for example to a wired network of the CAN type (from English "Controller Area Network" or in French "Réseau de Contrôleurs"), CAN FD (from English "Controller Area Network Flexible Data-Rate" or in French "Réseau de Contrôleurs à Flow flexible data system”), FlexRay or Ethernet.

According to an additional particular embodiment, the device 2 can supply output signals to one or more external devices, such as a display screen, one or more loudspeakers and/or other peripherals respectively via interfaces output not shown.

illustrates a flowchart of the different steps of a method for controlling the turn signal activation of a vehicle, according to a particular and non-limiting embodiment of the present invention. The method is for example implemented by a device on board the vehicle 10, by the device 2 of FIG. 2 or by a system comprising the device on board the vehicle 10 and a remote device, for example a server, connected via a wireless connection to the on-board device.

In a first step 31, a first piece of information representative of the deactivation of an assistance system for maintaining in the line of circulation of the vehicle is received.

In a second step 32, a second piece of information representative of an inactive state of the vehicle's direction indicators during a time interval comprising a time instant associated with the deactivation of the assistance system for maintaining in the traffic queue is received.

In a third step 33, a change of traffic lane not signaled by activation of the vehicle's turn signals is detected using the first information and the second information.

In a fourth step 34, one or more alerts are generated based on the detection of step 33.

Steps 31 to 34 are advantageously repeated as the vehicle 10 moves on the road, the iterations of steps 31 to 34 making it possible, for example, to determine the number of unsignaled lane changes detected over a given time period (for example over a day, a week, a month, a year or over the life of the vehicle 10).

Of course, the invention is not limited to the embodiments described above but extends to a method for analyzing the behavior of a driver driving the vehicle 10, and to the device configured for the implementation of the method. .

The invention also relates to a vehicle, for example an automobile or more generally a land motor vehicle, comprising the device 2 of FIG. 2.

The invention also relates to a system comprising the vehicle 10 and one or more remote devices (for example a “cloud” server 1000) connected to the vehicle 10 via a wireless link.

Claims (10)

Method of controlling the activation of turn signals of a vehicle (10), said vehicle traveling in a lane (11), said method comprising the following steps:
- reception (31) of a first piece of information representative of the deactivation of a system for assisting in maintaining in the line of circulation of said vehicle (10);
- reception (32) of a second piece of information representative of an inactive state of the direction indicators of said vehicle (10) during a time interval comprising a time instant associated with said deactivation of the assistance system for keeping in the line of traffic;
- detection (33) of a change of lane of traffic not signaled by an activation of the indicators of the vehicle (10) according to said first information and said second information;
- generation (34) of at least one alert based on said detection (33). A method according to claim 1, further comprising the following steps:
- activation of said system for assisting in keeping in the lane of traffic of said vehicle (10), said activation comprising the determination of at least one setpoint steering wheel angle value by said system to correct a trajectory of said vehicle (10) and maintaining said vehicle in said lane (11);
- measurement of at least one real steering wheel angle value following said activation;
- comparison of said at least one setpoint steering wheel angle value with said at least one actual steering wheel angle value;
- deactivation of said system for assisting in keeping in the line of traffic of said vehicle (10) when a result of said comparison is representative of a difference between said at least one setpoint steering wheel angle value and said at least one value real steering wheel angle;
- generation of the first information. Method according to claim 1 or 2, for which the first information and the second information are transmitted on a data bus of the on-board system of said vehicle (10). Method according to one of Claims 1 to 3, for which the steps of receiving (31) the first information, receiving (32) the second information and detecting (33) an unsignaled change of lane by an activation of the turn signals are repeated over a determined period of time, said generation (34) of at least one alert comprising a determination of a number of traffic lane changes not signaled by an activation of the turn signals of the vehicle (10) detected from the first and second information. Method according to one of claims 1 to 4, further comprising a step of rendering said at least one alert in said vehicle (10) to alert at least one passenger of said vehicle (10) of a lane change detection traffic not signaled by activation of the turn signals. Method according to one of claims 1 to 5, further comprising a step of transmitting said first information and said second information to a remote device (1000) via a wireless link, said detection and said generation being implemented by said remote device (1000). Method according to one of Claims 1 to 5, further comprising a step of transmitting third information representative of detection of the change of traffic lane not signaled by an activation of the turn signals to a remote device (1000) via a wireless link, said generation being implemented by said remote device (1000). Device (2) comprising a memory (21) associated with at least one processor (20) configured for implementing the steps of the method according to any one of Claims 1 to 5. System comprising the device (2) according to claim 8 and a remote device connected to said device via a wireless link, said system being configured to implement the method according to any one of claims 1 to 7. Vehicle (10) comprising the device (2) according to claim 8.