Alerting method in a motor vehicle, electronic device, vehicle and associated system.

Abstract

An alert method, implemented in a first motor vehicle (100), characterized in that it comprises the following steps: Detection of a command to activate a flashing light (121, 122), the flashing light being an indicator of a change of direction of the first vehicle (100), then Upon detection of the command to activate the flashing light (121, 122): Determination that the first motor vehicle (100) is about to overtake a second motor vehicle (200), and Reception, from an entity, of a waiting time, from an entity, by radio frequency communication, the waiting time being an estimated time before restarting the second motor vehicle (200), Then: Comparison of the waiting time with a first threshold, then Command to display an alert message in the passenger compartment of the first motor vehicle (100), provided that the waiting time is less than the first threshold. Figure for the summary: Figure 1

Description

Title of the invention: Alerting method in a motor vehicle, electronic device, vehicle and associated system.

[0001] The invention relates to motor vehicle safety. There is a need to improve motor vehicle safety. In particular, a driver is frequently required to make the decision to overtake a stationary vehicle, which leads to dangerous situations that can cause accidents.

[0002] To this end, the invention relates to an alerting method, implemented in a first motor vehicle, characterized in that it comprises the following steps: - Detection of a command to activate a flashing light (implemented by a driver of the motor vehicle), the flashing light being an indicator of a change of direction by the first motor vehicle (for example, by detecting the activation of a lever, or more generally a human-machine interface, by a driver of the motor vehicle), then - Upon detection of the flashing light activation command: • Determination that the first motor vehicle is about to overtake a second motor vehicle (which is stationary), and • Receiving a waiting time from an entity via radio frequency communication, for example of the so-called "V2X" type, the waiting time being (according to one embodiment) an estimated time before restarting (in other words: before driving) the second motor vehicle, • Then : - Comparison of the waiting time with an initial threshold (for example: between 10 seconds and 2 minutes and / or possibly modifiable via a human-machine interface of the first motor vehicle), then - Command to provide feedback (e.g., voice and / or visual) of an alert message in the passenger compartment of the first motor vehicle, provided that the waiting time is less than the first threshold.

[0003] Thanks to the invention, a driver of the first vehicle can thus refrain from overtaking the second motor vehicle, if he is informed that the second vehicle is about to start.

[0004] Of course, if it is not detected that the first motor vehicle is about to overtake the second motor vehicle, the step of commanding the reproduction (for example, voice and / or visual) of the warning message in the passenger compartment of the first motor vehicle is inhibited (in other words: does not take place).

[0005] According to one embodiment, the determination that the first motor vehicle is about to overtake the second motor vehicle includes the following steps: - Determination of a first location (including for example a latitude and a longitude) of the first motor vehicle (this step includes for example, receiving the first location from a satellite geolocation module of the first motor vehicle, for example of the so-called "GPS" or Galileo type), and possibly determination of a trajectory of the first motor vehicle (for example the trajectory is determined from an orientation of the first motor vehicle which can be included in the first location, the orientation is for example an angle with respect to north), - Reception, by radio frequency communication, for example of the so-called "V2X" type, of a geographical location (including for example a latitude and a longitude) of the second motor vehicle, coming, for example, from the entity. - Determination if the following first condition is met: a distance between the first location and the second location is less than a second threshold (for example between 5 and 20 meters), and possibly the second location is on the trajectory of the first motor vehicle, and / or the distance is reduced, and / or the second vehicle is on the same lane as the first vehicle, the determination that the first motor vehicle is about to overtake the second vehicle being conditional on the verification of the first condition.

[0006] Alternatively, determining that the first vehicle is about to overtake a second vehicle includes the following steps: - Reading a first registration number of the second motor vehicle (from images of the registration plate of the second motor vehicle, received from a camera of the second motor vehicle). - Reception, via radio frequency communication, for example of the so-called "V2X" type, of a second registration number of the second vehicle, coming, for example, from the entity. - Verification that the first registration number is identical to the second registration number, determining that the first vehicle The car is about to overtake the second vehicle, provided that the first registration number is identical to the second registration number.

[0007] According to one embodiment, the entity is the second vehicle (for example, the waiting time is received, in this case, by a so-called "V2V" communication).

[0008] Alternatively, the entity is the road infrastructure, and, for example, the message can be received by a so-called "V2I" communication.

[0009] According to one embodiment, the alert message includes (in other words: displays) the waiting time (in other words; includes a representation of the waiting time).

[0010] Alternatively, the alert message does not include the waiting time (in other words: a representation of the waiting time).

[0011] The invention also relates to a computer program comprising instructions executable by a microprocessor or a microcontroller or a computer, to implement the steps of the process according to the invention, when executed by the microprocessor or the microcontroller or the computer.

[0012] The method according to the invention can be implemented by an electronic device (or a motor vehicle). The invention therefore also relates to an electronic device (or a motor vehicle) configured to implement the steps of the method according to the invention, as well as a motor vehicle comprising the electronic device.

[0013] The invention also relates to an alert system comprising the first motor vehicle and a second motor vehicle capable of determining said waiting time and transmitting said waiting time to the first motor vehicle by radio frequency communication.

[0014] For example, the second motor vehicle is an automated vehicle carrying out a mission and the waiting time is that provided for in the mission.

[0015] Alternatively, for example, the second vehicle detects (from its sensors, particularly image sensors) that it is performing an operation, and the waiting time is obtained from an average time taken to complete the operation. The operation is, for example, the loading and / or unloading of packages or passengers from the second vehicle. For example, such an average time can be determined from timing (actual) operations.

[0016] Obviously, the second motor vehicle emits the waiting time only when it is stopped.

[0017] The characteristics and advantages of the computer program, the electronic device, the vehicle and the alert system are identical to those of the method according to the invention (without it being necessary to repeat them here).

[0018] When the electronic device, the first motor vehicle, the second motor vehicle, or another element is "configured to" (or "suitable to" or "is designed to") perform or implement a step or operation, this implies, for example, that the element includes means for performing the step or operation. These means preferably include electronic means, for example, a computer program, data in memory, specialized electronic circuits, wired or wireless connections, a microprocessor, and / or a microcontroller.

[0019] Other features and advantages of the present invention will become more apparent upon reading the following detailed description, which includes embodiments of the invention given by way of non-limiting examples and illustrated by the accompanying drawings, in which: • [Fig. 1] represents an electronic device, a motor vehicle and a system according to one embodiment of the invention, • [Fig.2] represents a display on a vehicle display screen automobile of [Fig.1], controlled by the electrical device of [Fig.1], during the implementation of the process shown [Fig.3]. • [Fig. 3] represents an implementation of the process according to the invention, according to an example of implementation, by the electronic device, the vehicle or the system of [Fig.1].

[0020] Detailed description of an example embodiment of the invention, with reference to figures 1 to 3.

[0021] Fig. 1 represents the alert system 1000 comprising vehicle 100 and vehicle 200, which are motor vehicles.

[0022] The vehicle 100 comprising a passenger compartment 150 and a microprocessor 110 connected (for example, via a data bus) to: - A flashing light 121 and a flashing light 122 (these lights indicate a change of motor vehicle), - A 130 satellite geolocation module, - A lever 140, to control the flashing light 121 and the flashing light 122.

[0023] With reference to [Fig.3], at step S00, the microprocessor 110 detects the actuation of the lever 140 to turn on the flashing lights 121 and 122.

[0024] At step S10, the microprocessor 110 receives, from the satellite geolocation module 130, the geolocation of the vehicle 100.

[0025] At step S20, the microprocessor 110 receives, via a "V2V" communication, a waiting time before starting the vehicle 200 (which is therefore at a standstill), for example equal to 4 seconds, and a geolocation of the vehicle 200.

[0026] At step S30, the microprocessor 110 determines that the distance between the geolocation of vehicle 100 and the geolocation of vehicle 200, for example equal to 4 meters, is less than a threshold of 15 meters and that vehicle 200 is on a trajectory tl of vehicle 100. The trajectory tl is determined by the orientation of vehicle 200 included in the geolocation of vehicle 200. Thus, the microprocessor 110 determines that vehicle 100 is about to overtake vehicle 200, and

[0027] At step S40, the microprocessor 110 compares the waiting time with a threshold of 45 seconds.

[0028] At step S50, the waiting time being less than a threshold of 45 seconds, the microprocessor 110 commands the emission of a sound signal in the passenger compartment 150 by a loudspeaker 160, and of an image II represented [Fig.2] by the screen 170. The image II includes the waiting time.

[0029] For example, the motor vehicle 200 is an automated vehicle performing a mission and the waiting time is that provided for in the mission.

Claims

Demands

1. An alerting method, implemented in a first motor vehicle (100), characterized in that it comprises the following steps: - Detection of an ignition command (S00) for a flashing light (121, 122), the flashing light being an indicator of a change of direction of the first motor vehicle (100), then - Upon detection of the flashing light activation command (S00) (121, 122): • Determination (S30) that the first motor vehicle (100) is about to overtake a second motor vehicle (200), and • Reception (S20), from an entity, of a waiting time, by radio frequency communication, the waiting time being an estimated time before restarting the second motor vehicle (200), • Then : - Comparison (S40) of the waiting time with a first threshold, then - Command to return (S50) an alert message in the passenger compartment of the first motor vehicle (100), provided that the waiting time is less than the first threshold.

2. A warning method according to claim 1 wherein the determination (S30) that the first motor vehicle (100) is about to overtake the second motor vehicle (200) comprises the following steps: - Determination of a first location (S 10) of the first motor vehicle (100), - Reception, via radio frequency communication, of the geographical location of the second motor vehicle (200), - Determination if the following first condition is met: a distance between the first location and the second location is less than a second threshold, the determination that the first motor vehicle (100) is about to overtake the second motor vehicle (200) being conditional upon the verification of the first condition.

3. Warning method according to claim 1 or 2 wherein the entity is the second vehicle (200).

4. An alert method according to any one of the preceding claims wherein the alert message includes the waiting time.

5. Computer program comprising instructions, executable by a microprocessor or microcontroller, for implementing the method according to any one of claims 1 to 4, when executed by the microprocessor or microcontroller.

6. Electronic device (110) configured to carry out the steps of the process according to any one of claims 1 to 4.

7. First motor vehicle (100) comprising the electronic device (110) according to the preceding claim.

8. Alert system comprising the first motor vehicle (100) according to the preceding claim and a second motor vehicle (200) capable of determining said waiting time and of transmitting said waiting time to the first motor vehicle by radio frequency communication.

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