EP3731205A1 - Elektronische kommunikationsvorrichtung, entsprechendes überwachungsgerät, entsprechende überwachungsanlage, entsprechendes kommunikationsverfahren und computerprogramm - Google Patents
Elektronische kommunikationsvorrichtung, entsprechendes überwachungsgerät, entsprechende überwachungsanlage, entsprechendes kommunikationsverfahren und computerprogramm Download PDFInfo
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- EP3731205A1 EP3731205A1 EP20171106.6A EP20171106A EP3731205A1 EP 3731205 A1 EP3731205 A1 EP 3731205A1 EP 20171106 A EP20171106 A EP 20171106A EP 3731205 A1 EP3731205 A1 EP 3731205A1
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- module
- electronic
- sensor
- communication device
- supervision equipment
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Classifications
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Definitions
- the present invention relates to an electronic communication device suitable for being connected to a sensor and intended to be installed on the road or on board a vehicle.
- the invention also relates to a monitoring apparatus comprising such a device.
- the invention also relates to a supervision installation of a transport system comprising at least one motor vehicle, the supervision installation comprising at least one such monitoring device and an electronic supervision equipment connected to each monitoring device, the supervision equipment being configured to transmit at least one instruction to a respective motor vehicle.
- the invention also relates to a communication method, the method being implemented by such an electronic communication device.
- the invention also relates to a computer program comprising software instructions which, when they are executed by a computer, implement such a communication method.
- the invention relates to the field of secure piloting of motor vehicles, and in particular to the field of automatic piloting of autonomous motor vehicles.
- the obstacles considered are of any type, for example fixed obstacles, such as safety guardrails, parked vehicles, or moving obstacles, for example other vehicles or pedestrians. It is understood that it is critical to avoid any collision between a moving vehicle and such obstacles.
- automobile driving assistance systems comprising communication devices capable of identifying obstacles in a road traffic area via sensors and of informing remote electronic equipment thereof.
- the electronic equipment is able to determine and transmit an instruction to a vehicle traveling in said road traffic zone.
- the link between the communication device and the remote electronic equipment presents the risk of being saturated, which can be critical for the safety of the vehicle and / or surrounding obstacles.
- the aim of the invention is to remedy the drawbacks of the state of the art by proposing an effective communication device, even in the event of a large number of obstacles in the zone where the vehicle is traveling.
- the calculation module makes it possible to calculate, as a function of at least one determined monitoring list, a movement limitation setpoint for each vehicle located in the geographical area; then the transmission module makes it possible to send the calculated limitation instruction (s) to the supervision equipment.
- Each movement limitation instruction has in fact a data size, for example expressed in bits or in bytes, less than the size of the monitoring list (s) from which it is calculated.
- the communication device according to the invention is then particularly advantageous in areas with a large number of obstacles, in particular in areas where there are many vehicles and pedestrians.
- the subject of the invention is also a monitoring apparatus comprising a sensor and an electronic communication device suitable for being connected to said sensor, the communication device being as defined above.
- the subject of the invention is also a computer program comprising software instructions which, when they are executed by a computer, implement a communication method as defined above.
- a supervision installation 5 is configured to supervise a transport system 10 comprising a fleet of motor vehicle (s) 12.
- a transport system 10 comprising a fleet of motor vehicle (s) 12.
- the fleet of motor vehicle (s) 12 at least one motor vehicle 12 is an autonomous motor vehicle.
- the fleet preferably comprises a plurality of motor vehicles 12, each motor vehicle 12 preferably being an autonomous motor vehicle.
- the supervision installation 5 comprises at least one monitoring device 14 intended to be installed on the road or on board a corresponding motor vehicle 12, and an electronic supervision equipment 16 connected to each monitoring device 14, the monitoring equipment. supervision 16 being configured to transmit at least one instruction to a respective motor vehicle 12.
- the supervision installation 5 comprises a plurality of monitoring devices 14, some being installed on the road and then typically being linked to the supervision equipment 16 via a wired data link 18, and others on board. a corresponding motor vehicle 12 and then typically being linked to the supervision equipment 16 via a wireless data link 20.
- each monitoring device 14 is connected to the electronic supervision equipment 16 via a wireless link 20 respective.
- Each motor vehicle 12 is known per se and is able to travel within a road infrastructure 22 comprising one or more traffic lanes 24, visible on the road. figure 1 .
- the motor vehicle 12 When the motor vehicle 12 is an autonomous motor vehicle, it preferably has an automation level greater than or equal to 3 according to the scale of the International Organization of Automobile Manufacturers (OICA). The level of automation is then equal to 3, i.e. conditional automation (from English Conditional Automation ) , or equal to 4, i.e. high automation (from English High Automation ) , or equal to 5, that is to say a complete automation (English Full Automation ).
- OICA International Organization of Automobile Manufacturers
- level 3 of conditional automation corresponds to a level for which the driver does not need to constantly monitor dynamic driving, nor the driving environment, while still having to be able to to regain control of the autonomous motor vehicle.
- an autonomous driving management system on board the autonomous motor vehicle 12A, then performs the longitudinal and lateral driving in a defined use case and is able to recognize its performance limits to then ask the driver. driver to resume dynamic driving with sufficient time.
- High automation level 4 corresponds to a level for which the driver is not required in a defined use case. According to this level 4, the autonomous driving management system, on board the autonomous motor vehicle 12A, then performs the lateral and longitudinal dynamic driving in all the situations of this defined use case.
- level 5 of complete automation corresponds to a level for which the autonomous driving management system, on board the autonomous motor vehicle, performs lateral and longitudinal dynamic driving in all the situations encountered by the autonomous motor vehicle, during all his way. No driver is then required.
- Each monitoring device 14 comprises a sensor 28 and an electronic communication device 30 suitable for being connected to said sensor 28.
- Each monitoring device 14 installed on the road is for example fixed to a vertical mast 32, as in the example of figure 1 , or to a building.
- Each monitoring device 14 installed on board a motor vehicle is preferably attached to the front of the motor vehicle 12 or else to the roof of said vehicle 12.
- the electronic supervision equipment 16 is able to remotely supervise, or even remotely control, the fleet of motor vehicle (s) 12, the supervision equipment also being called PCC (from the acronym Command Station Central).
- the electronic supervision equipment 16 comprises a module 34 for receiving data message (s) from a monitoring device 14 to which it is connected, in particular from its electronic communication device 30, the data message received being for example a movement limitation setpoint for a geographical area covered by the sensor 28 of the respective monitoring device 14.
- the electronic supervision equipment 16 comprises a module 36 for establishing a resulting movement limitation instruction for a geographical area and a module 38 for transmitting the instruction (s) to a respective motor vehicle 12.
- the electronic supervision equipment 16 comprises a first information processing unit 40 formed for example of a first memory 42 and a first processor 44 associated with the first memory 42.
- the electronic supervision equipment 16 comprises a first transceiver 46 configured in particular to send, for example in the form of radio waves, data, such as instructions, transmitted by the transmission module 38 to the respective motor vehicle 12, and / or to receive, in direction inverse, data from each monitoring device 14, these received data being in particular intended for the reception module 34.
- the reception module 34, the establishment module 36 and the transmission module 38 are each produced in the form of software, or a software brick, executable by the first processor 44.
- the first memory 42 of the electronic supervision equipment 16 is then able to store software for receiving data from each monitoring device 14, software for establishing a resulting movement limitation instruction for a given geographical area, this from the movement limitation instruction (s) received for said geographical area from the monitoring device (s) 14 associated with this area, and software for transmitting at least one instruction to a respective motor vehicle 12.
- the first processor 44 is then able to execute each of the software among the reception software, the setup software and the transmission software.
- reception module 34, the establishment module 36 and the transmission module 38 are each made in the form of a programmable logic component, such as an FPGA (standing for Field Programmable Gate Array ) , or in the form of a dedicated integrated circuit, such as an ASIC (standing for Application Specific Integrated Circuit).
- a programmable logic component such as an FPGA (standing for Field Programmable Gate Array )
- ASIC Application Specific Integrated Circuit
- the electronic supervision equipment 16 When the electronic supervision equipment 16 is produced in the form of one or more software, that is to say in the form of a computer program, it is also able to be recorded on a medium, not shown. , computer readable.
- the computer readable medium is, for example, a medium capable of memorizing electronic instructions and of being coupled to a bus of a computer system.
- the readable medium is an optical disc, a magneto-optical disc, a ROM memory, a RAM memory, any type of non-volatile memory (for example EPROM, EEPROM, FLASH, NVRAM), a magnetic card or an optical card.
- a computer program comprising software instructions is then stored on the readable medium.
- Each sensor 28 is known per se, and is capable of detecting at least one traffic element 48.
- Each sensor 28 is preferably chosen from the group consisting of: an image sensor (s), a lidar (from English light detection and ranging ), a leddar (from English light emitting diode detection and ranging ), a radar (from English radio detection and ranging ) and an ultrasonic sensor.
- Each electronic communication device 30 is suitable for being connected to a respective sensor 28 and intended to be installed on the road or on board a respective motor vehicle 12, preferably on board a respective autonomous motor vehicle.
- Each electronic communication device 30 comprises a module 50 for determining a tracking list for at least one traffic element 48 detected via the sensor 28, the traffic element 48 being located at the end. 'within a geographical area covered by the corresponding sensor 28.
- Each communication device 30 further comprises a module 52 for calculating, as a function of at least one determined monitoring list, a movement limitation instruction for each vehicle 12 located in the geographical area, and a module 54 d transmission of the calculated limitation setpoint (s) to the electronic supervision equipment 16 via the corresponding data link 18, 20.
- each communication device 30 further comprises a module 56 for acquiring setpoint calculation rule (s).
- each switching device 30 further comprises a module 58 for switching the transmission module 54 between first and second transmission modes.
- each electronic communication device 30 comprises a second information processing unit 60 formed for example of a second memory 62 and of a second processor 64 associated with the second memory 62.
- the electronic communication device 30 When the electronic communication device 30 is intended for be on board a motor vehicle 12, it further comprises a second transceiver 66 configured to transmit and / or receive data in the form of radio waves, in particular with the electronic supervision equipment 16.
- the determination module 50, the calculation module 52 and the transmission module 54, as well as as an optional addition the acquisition module 56 and the switching module 58, are each produced in the form of software, or of a software brick, executable by the second processor 64.
- the second memory 62 of the electronic communication device 30 is then able to store software for determining a respective watch list for at least one traffic element 48 detected via the corresponding sensor 28, software for calculating based on at least one determined monitoring list of a movement limitation instruction for each vehicle 12 located in the geographical area associated with said sensor 28 and software for issuing the or limitation setpoints calculated at the electronic supervision equipment 16 via the data link 18, 20.
- the second memory 62 is also able to store software for acquiring the par t of the electronic device, preferably on the part of the electronic supervision equipment 16, of at least one setpoint calculation rule; and software for switching the transmission software between the first transmission mode and the second transmission mode.
- the determination module 50, the calculation module 52 and the transmission module 54, as well as, as an optional complement, the acquisition module 56 and the switching module 58 are each produced in the form of a a programmable logic component, such as an FPGA, or else in the form of a dedicated integrated circuit, such as an ASIC.
- the electronic communication device 30 When the electronic communication device 30 is produced in the form of one or more software, that is to say in the form of a computer program, it is also able to be recorded on a medium, not shown, computer readable.
- the computer readable medium is, for example, a medium capable of memorizing electronic instructions and of being coupled to a bus of a computer system.
- the readable medium is an optical disc, a magneto-optical disc, a ROM memory, a RAM memory, any type of non-volatile memory (for example EPROM, EEPROM, FLASH, NVRAM), a magnetic card or an optical card.
- a computer program comprising software instructions is then stored on the readable medium.
- the reception module 34 is configured to receive at least one data message from each monitoring device 14 to which it is connected, in particular from its electronic communication device 30.
- the data message received is for example a set point. limitation of movement (s) calculated by the respective calculation module 52, then transmitted by the respective transmission module 54.
- the establishment module 36 is configured to establish the resulting movement limitation instruction for the corresponding geographical area, from one or more movement limitation instructions received for said geographical area, from one or more devices. monitoring 14 respective.
- This establishment of the resulting movement limitation setpoint is known per se, and depends for example on the movement limitation setpoint which is the most restrictive, that is to say the most limiting, among the various limitation setpoints. movement received for said geographic area. Those skilled in the art will of course understand that if a single movement limitation instruction is received for said geographical area, then the resulting movement limitation instruction is equal to this single limitation instruction received for said area.
- the transmission module 38 is configured to transmit at least one instruction to a respective motor vehicle 12, and is preferably configured to transmit each resulting movement limitation instruction thus established to the motor vehicle (s) 12. located in said geographic area, that is to say positioned within said geographic area.
- Determination module 50 is configured to determine the watchlist for at least one traffic element 48 detected via sensor 28, preferably for each traffic element 48 detected via sensor 28.
- Each follow-up list preferably conforms to the CPM ( Collective Perception Message ) format, as described for example in the document entitled “L 1.2C: SPECIFICATION OF THE SYSTEM AND ITS COMPONENTS - MESSAGE FORMAT (Specification of the system and its components - Message Formats)", in its version V03 published on December 12, 2017 .
- CPM Collective Perception Message
- Each traffic element 48 is an element capable of traveling and / or crossing a respective traffic lane 24.
- Each traffic element 48 is in particular an element capable of being located in the respective geographical area.
- Each traffic element 48 is for example chosen from the group consisting of: a motor vehicle, such as a motor vehicle 12; a non-motorized vehicle; a pedestrian and an animal.
- Determination module 50 is configured to determine the watchlist from the measured value (s) provided by sensor 28 in relation to the traffic element 48 detected. This determination of information element (s), of the type described above and from value (s) measured by sensor 28, is known per se. Those skilled in the art will further understand that each measured value is understood broadly within the meaning of a measurement performed by the sensor 28 relative to the traffic element 48, and depends on the type of the sensor 28.
- the measured value supplied by the sensor 28 is in particular an image of a scene comprising the traffic element 48, or in other words an image of the geographic area within which the traffic element 48 is located.
- the measured value supplied by the sensor 28 is in particular a set of measurement point (s) of the scene comprising the traffic element 48 , or in other words a set of measurement point (s) of the geographical area within which the traffic element 48 is located.
- this set of measurement point (s) also called cloud of measurement point (s)
- this set of measurement point (s) is obtained by the sensor 28 via the emission of a plurality of measurement signals in different emission directions, then the reception of signals resulting from the reflection, by the environment, of the signals emitted measurement signals, the emitted measurement signals typically being light, radio or even ultrasonic signals.
- the calculation module 52 is configured to calculate, based on at least one respective watchlist, the movement limitation setpoint for each vehicle 12 located in the geographic area.
- the calculation module 52 is typically configured to calculate each movement limitation setpoint as a function of at least one calculation rule.
- the movement limitation setpoint calculated is a speed limitation setpoint, or an acceleration limitation setpoint, or a jerk vector limitation setpoint (more commonly designated by the English term jerk ), or a speed limit and acceleration setpoint.
- Calculation rules are for example established based on the experience of transport operators on site and on the specific characteristics, or intrinsic characteristics, of motor vehicles 12. For example, intrinsic characteristics vehicles influence the braking distance: a car therefore needs a shorter distance to brake than a public transport vehicle, such as a shuttle or a bus.
- the calculation rules are advantageously also established as a function of the sensor (s) 28.
- the performance of said sensor (s) 28 are liable to vary as a function of weather conditions (rain, fog, sun, etc.).
- the speed limit imposed on said vehicle is more restrictive, that is to say with a lower maximum speed value, than for a vehicle 12 carrying an image sensor (s), the wet objects being seen less well by the lidars than by the image sensors, in particular the infrared sensors.
- the respective vehicle 12 is located close to said geographical area, typically at a distance from said geographical area which is less than a predefined distance threshold, this distance threshold being by example between 100 m and 500 m, more preferably between 200 m and 400 m, more preferably still substantially equal to 300 m.
- the transmission module 54 is then configured to send the limitation setpoint (s) calculated by the calculation module 52, intended for the electronic supervision equipment 16 via the corresponding data link 18, 20.
- the acquisition module 56 is configured to acquire at least one setpoint calculation rule, for example from an electronic device, preferably from the electronic supervision equipment 16.
- the calculation module 52 is then configured to calculate the movement limitation setpoint as a function of at least one calculation rule acquired by the acquisition module 56.
- the calculation rule or rules acquired are by example as defined previously.
- the switching module 58 is configured to switch the transmission module 54 between the first transmission mode according to which the transmission module 54 transmits the calculated limitation setpoint (s) to the electronic supervision equipment 16. and the second transmission mode according to which the transmission module 54 transmits at least part of each monitoring list to the electronic supervision equipment 16.
- the switching module 58 is for example configured to evaluate a load of the data link 18, 20 between the transmission module 54 and the electronic supervision equipment 16, and to switch the transmission module 54 to the first mode. transmission in the event of detection of a load on the data link 18, 20 greater than a predefined load threshold.
- the predefined load threshold is for example equal to 400 kilobytes.
- the predefined load threshold corresponds to a maximum number of objects to be monitored.
- the maximum number of objects to track is equal to thirty.
- the switching module 58 is then configured to switch the transmission module 54 to the first transmission mode in the event of detection of a number of objects greater than said maximum number of objects to follow.
- the switching module 58 is configured to switch the transmission module 54 between the first transmission mode and the second transmission mode, upon receipt of a request from a user.
- This user request results, for example, from manual pressure by the user on an activation member, not shown.
- the switching module 58 is configured to switch the transmission module 54 between the first transmission mode and the second transmission mode, as a function of the geographical area concerned.
- the transmission module 54 is for example authorized to be in the second transmission mode only for a predefined set of specific geographic area (s), and in the first transmission mode otherwise, i.e. when the relevant geographic area is not included in this predefined set.
- the second transmission mode according to which the transmission module 54 transmits at least part of each monitoring list to the electronic supervision equipment 16, makes it possible to provide the user with a more detailed analysis of this. zone, which is useful for example in the event of bypassing an obstacle (s) in this zone, but represents a greater quantity of data to be transmitted on the data link 18, 20.
- the second transmission mode is then preferably reserved for only certain geographical zone (s), according to this optional supplement.
- the transmission module 54 is configured to transmit for each tracking list a number of information elements less than or equal to a predetermined threshold of number of elements.
- This number of elements threshold is typically adjustable by the user, for example from the electronic supervision equipment 16.
- This number of elements threshold is for example adjustable according to the situation of a supervised vehicle 12, such as than a normal situation or an obstacle avoidance situation.
- the transmission module 54 is configured to transmit only a part of each follow-up list, the transmitted part of each follow-up list comprising a number of information elements less than the total number of pieces of information contained in said watchlist.
- the transmission module 54 is, as an optional addition, configured to order each monitoring list according to a predetermined order of priority, then to transmit according to said order of priority the monitoring lists to the equipment. electronic supervision 16.
- the determination module 50 is, as an optional addition, and in particular if the transmission module 54 is according to the second transmission mode, configured to merge at least two follow-up lists into a global follow-up list.
- the merged watchlists are then preferably associated with traffic elements 48 of the same type.
- the transmission module 54 is then configured to transmit at least part of the global monitoring list to the electronic supervision equipment 16, according to the second transmission mode.
- the determination module 50 is, in still optional addition, and in particular if the transmission module 54 is according to the second transmission mode, configured to merge at least two traffic elements 48 detected, preferably of the same type, in a group of traffic elements 48, and to then determine a follow-up list common for said group of traffic elements 48.
- the transmission module 54 is then configured to transmit at least part of the common monitoring list to the electronic supervision equipment 16, according to the second transmission mode.
- the electronic communication device 30 acquires, via its acquisition module 56, at least one setpoint calculation rule, from an electronic device, preferably from the electronic supervision equipment 16.
- the communication device 30 determines, during step 110 and via its determination module 50, the follow-up list for at least one traffic element 48 detected via the sensor 28, each follow-up list comprising several information elements. , the traffic element 48 being located within a geographical area covered by the sensor 28.
- the communication device 30 further comprises the module 58 for switching the transmission module 54 between the first and second transmission modes
- the communication device 30 then tests, during step 120 and via its switching module 58, if the transmission module 54 is according to the first transmission mode, or on the contrary according to the second transmission mode.
- step 120 If the test of step 120 is positive, that is to say if the transmission module 54 is according to the first transmission mode, then the communication device 30 goes to step 130 during which it calculates, via its calculation module 52 and as a function of at least one monitoring list determined during step 110, the movement limitation setpoint for each vehicle 12 located in the respective geographical area.
- step 120 is not performed, and communication device 30 proceeds directly from determining step 110. in the calculation step 130.
- the step 120 is optional and is conditioned on the presence of the switching module 58 within the communication device 30.
- the communication device 30 transmits, during step 140 and via its transmission module 54, the calculated limitation setpoint (s) intended for the electronic supervision equipment 16 via the data link 18, 20. This transmission then corresponds to the first transmission mode when the communication device 30 further comprises the switching module 58.
- the supervision device 16 then receives, via its reception module 34 and from the surveillance device 14 to which it is connected and comprising said communication device 30, the setpoint of limitation calculated by the calculation module 52, then sent by the transmission module 54.
- the electronic supervision equipment 16 then establishes, via its establishment module 36, the resulting movement limitation instruction for the corresponding geographical area, this from the movement limitation instruction (s) received for said geographical area, from from the respective monitoring device (s) 14.
- the electronic supervision equipment 16 finally transmits, via its transmission module 38, the setpoint (s) established to the respective motor vehicle (s) 12, in particular to those located in said geographical area , that is to say positioned within said geographical area.
- step 120 If the test of step 120 is negative, that is to say if the transmission module 54 is according to the second transmission mode, then the communication device 30 goes to step 150 during which it transmits, via its transmission module 54 and according to the second transmission mode, at least part of each monitoring list to the electronic supervision equipment 16.
- the transmission module 54 typically transmits for each tracking list a number of information elements less than or equal to the predetermined threshold of number of elements, this threshold being adjustable by the user, typically as a function of the situation (normal, obstacle avoidance, etc.) of the vehicle 12 being supervised.
- the transmitted part of each tracking list then preferably comprises a number of information elements less than the total number of information elements contained in said tracking list.
- the transmission module 54 optionally orders each monitoring list according to the predetermined order of priority, then transmits the monitoring lists according to said order to the electronic supervision equipment 16.
- the determination module 50 merges at least two monitoring lists into a global monitoring list, the merger being for example carried out by type of traffic element 48. If applicable, the transmission module 54 then transmits, during step 150, at least part of the global monitoring list to the electronic supervision equipment 16.
- the determination module 50 merges at least two traffic elements 48 detected, of preferably of the same type, in a group of traffic elements 48, and then determines the common follow-up list for said group of traffic elements 48. If necessary, the transmission module 54 then transmits, during the step 150, at least part of the monitoring list common to the electronic supervision equipment 16.
- the electronic supervision equipment 16 then receives, via its reception module 34 and from the monitoring apparatus 14 to which it is connected and comprising said communication device 30, each part of each watchlist transmitted by the respective transmission module 54.
- the electronic supervision equipment 16 then establishes, via its establishment module 36, the resulting movement limitation instruction for the corresponding geographical area, this from the part or parts of the monitoring list (s) received for said area. geographical, from the respective monitoring device (s) 14.
- the electronic supervision equipment 16 finally transmits, via its transmission module 38, the setpoint (s) established to the respective motor vehicle (s) 12, in particular to those located in said geographical area , that is to say positioned within said geographical area.
- the communication device returns to the acquisition step 100 if a new setpoint calculation rule must be acquired, and to the determination step 110 otherwise.
- the electronic communication device 30 makes it possible, through the calculation module 52, to calculate a movement limitation setpoint for each vehicle located in the geographical area and as a function of at least one monitoring list. determined by the determination module 50.
- the transmission module 54 then makes it possible to send the calculated limitation setpoint (s) to the supervision equipment 16.
- Each movement limitation instruction has in fact a data size, for example expressed in bits or in bytes, less than the size of the monitoring list or lists from which it is calculated.
- the communication device 30 according to the invention is then particularly advantageous in areas having a large number of obstacles, in particular in areas where many vehicles 12 and pedestrians coexist.
- the communication device 30 further comprises the switching module 58, this makes it possible to provide the user with a more detailed analysis of a geographical area and / or for a given period of time, which is for example useful in the event of bypassing an obstacle (s) in this area, by transmitting - according to the second transmission mode and via the transmission module 54 - at least part of each monitoring list to the electronic supervision equipment 16.
- the second transmission mode is then preferentially reserved for only certain geographic zone (s) and / or at certain given time period (s).
- the switching module 58 regularly evaluates the load of the data link 18, 20 between the transmission module 54 and the electronic supervision equipment 16, and then switches the transmission module 54 to the first mode. 'transmission in the event of detection of a load on the data link 18, 20 greater than the predefined load threshold, in order not to saturate said data link 18, 20.
- switching between the first transmission mode and the second transmission mode, in particular to the second transmission mode can also be activated directly by the user, while having the possibility an automatic switch back to the first transmission mode in the event of an overload of the data link 18, 20.
- the communication device 30 according to the invention is more efficient, even in the event of a high number of obstacles in the zone in which the vehicle 12 is traveling.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Traffic Control Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1904351A FR3095404B1 (fr) | 2019-04-25 | 2019-04-25 | Dispositif électronique de communication, appareil de surveillance, installation de supervision, procédé de communication et programme d’ordinateur associés |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3731205A1 true EP3731205A1 (de) | 2020-10-28 |
Family
ID=67956973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP20171106.6A Withdrawn EP3731205A1 (de) | 2019-04-25 | 2020-04-23 | Elektronische kommunikationsvorrichtung, entsprechendes überwachungsgerät, entsprechende überwachungsanlage, entsprechendes kommunikationsverfahren und computerprogramm |
Country Status (5)
Country | Link |
---|---|
US (1) | US11217093B2 (de) |
EP (1) | EP3731205A1 (de) |
AU (1) | AU2020202638A1 (de) |
CA (1) | CA3078330A1 (de) |
FR (1) | FR3095404B1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020091088A1 (ko) * | 2018-10-29 | 2020-05-07 | 엘지전자 주식회사 | V2x 통신을 위한 장치 및 방법 |
US11138873B1 (en) * | 2021-03-23 | 2021-10-05 | Cavnue Technology, LLC | Road element sensors and identifiers |
Citations (4)
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US20080154629A1 (en) * | 1997-10-22 | 2008-06-26 | Intelligent Technologies International, Inc. | Vehicle Speed Control Method and Arrangement |
US20100250021A1 (en) * | 2009-01-26 | 2010-09-30 | Bryon Cook | Driver Risk Assessment System and Method Having Calibrating Automatic Event Scoring |
US20120059574A1 (en) * | 2010-09-08 | 2012-03-08 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vehicle speed indication using vehicle-infrastructure wireless communication |
US10235882B1 (en) * | 2018-03-19 | 2019-03-19 | Derq Inc. | Early warning and collision avoidance |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US7647180B2 (en) * | 1997-10-22 | 2010-01-12 | Intelligent Technologies International, Inc. | Vehicular intersection management techniques |
US8589058B2 (en) * | 2010-11-10 | 2013-11-19 | Honda Motor Co., Ltd. | Method of retrieving information for a motor vehicle |
JP5333509B2 (ja) * | 2011-04-27 | 2013-11-06 | 株式会社デンソー | 先行車追従走行装置 |
JP2013097621A (ja) * | 2011-11-01 | 2013-05-20 | Toyota Motor Corp | 運転支援装置 |
DE112011105832B4 (de) * | 2011-11-10 | 2016-12-01 | Mitsubishi Electric Corp. | Fahrzeugseitiges System |
US10286913B2 (en) * | 2016-06-23 | 2019-05-14 | Honda Motor Co., Ltd. | System and method for merge assist using vehicular communication |
CN111448597B (zh) * | 2017-10-10 | 2022-06-10 | 日产自动车株式会社 | 驾驶控制方法以及驾驶控制装置 |
-
2019
- 2019-04-25 FR FR1904351A patent/FR3095404B1/fr active Active
-
2020
- 2020-04-20 AU AU2020202638A patent/AU2020202638A1/en not_active Abandoned
- 2020-04-20 CA CA3078330A patent/CA3078330A1/fr active Pending
- 2020-04-23 EP EP20171106.6A patent/EP3731205A1/de not_active Withdrawn
- 2020-04-23 US US16/856,939 patent/US11217093B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080154629A1 (en) * | 1997-10-22 | 2008-06-26 | Intelligent Technologies International, Inc. | Vehicle Speed Control Method and Arrangement |
US20100250021A1 (en) * | 2009-01-26 | 2010-09-30 | Bryon Cook | Driver Risk Assessment System and Method Having Calibrating Automatic Event Scoring |
US20120059574A1 (en) * | 2010-09-08 | 2012-03-08 | Toyota Motor Engineering & Manufacturing North America, Inc. | Vehicle speed indication using vehicle-infrastructure wireless communication |
US10235882B1 (en) * | 2018-03-19 | 2019-03-19 | Derq Inc. | Early warning and collision avoidance |
Also Published As
Publication number | Publication date |
---|---|
FR3095404A1 (fr) | 2020-10-30 |
CA3078330A1 (fr) | 2020-10-25 |
US11217093B2 (en) | 2022-01-04 |
FR3095404B1 (fr) | 2021-10-22 |
US20200342755A1 (en) | 2020-10-29 |
AU2020202638A1 (en) | 2020-11-12 |
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