Classifications

• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
  • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
  • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
  • G08B25/016—Personal emergency signalling and security systems
• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
  • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
  • G08B21/02—Alarms for ensuring the safety of persons
  • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
  • G08B21/0233—System arrangements with pre-alarms, e.g. when a first distance is exceeded
• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
  • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
  • G08B21/02—Alarms for ensuring the safety of persons
  • G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
  • G08B21/0438—Sensor means for detecting
  • G08B21/0446—Sensor means for detecting worn on the body to detect changes of posture, e.g. a fall, inclination, acceleration, gait
• • G—PHYSICS
  • G08—SIGNALLING
  • G08G—TRAFFIC CONTROL SYSTEMS
  • G08G1/00—Traffic control systems for road vehicles
  • G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
  • G08G1/205—Indicating the location of the monitored vehicles as destination, e.g. accidents, stolen, rental

Definitions

• the present invention relates to the field of warning systems and relates more particularly to a method and an alert system following the separation of a pilot and his vehicle.
• the invention finds particular application to the fall of a rider of his mount or a driver of his motorcycle.
• document WO2004009415A1 discloses a device for detecting a fall of the pilot when the engine is running and that, simultaneously, the device detects a prolonged loss of verticality of the motorcycle.
• the device generates a message including the identifier of the motorcycle, its position and data corresponding to the state of the device and transmits this message on a wireless communication link to a third party located remotely, for example in a monitoring center.
• the device must constantly monitor the state of the motorcycle, including its verticality and the operation of its engine, which can be complex and lead to high energy consumption and therefore has significant disadvantages.
• the present invention aims to overcome these disadvantages by providing a simple and effective solution for detecting the separation of a driver from his vehicle and to alert the rescue.
• the invention aims in particular to avoid having to monitor the state of the engine or the inclination of the vehicle so that it can be applied to a plurality of types of vehicle, including a horse, as well as a motorcycle, a sled, a quad, etc.
• the invention firstly relates to an alert method following an incident occurred to a vehicle driver.
• the method is remarkable in that, said pilot being equipped with a first device and said vehicle being equipped with a second device, said first device and said second device being connected via a wireless communication link prior to the occurrence of said incident. it comprises a step of detecting a change in the distance between the first device and the second device from said wireless communication link and a step of sending at least one alert message when a modification of the distance between the first device and the second device has been detected.
• the method according to the invention thus makes it possible to easily and rapidly detect the separation of the pilot and his vehicle and then to alert the rescuers.
• the invention is advantageously applied to a rider and his horse, to a motorcycle rider or to an occupant of a vehicle towed by animals.
• the method according to the invention applies in particular in the case of a fall of the pilot separating it from his vehicle.
• the detection of the change in the distance between the first device and the second device is performed by the first device and / or by the second device, for example by measuring the power of the signals received on the link wireless communication and comparing it to a mean power, corresponding to an average distance called "link” between the first device and the second device, or a power interval corresponding to a range of distances called "link distance” between the first device and the second device.
• the modification of the distance between the first device and the second device is an increase in said distance, for example in the case of a fall of the pilot.
• the modification of the distance between the first device and the second device is a reduction of said distance, for example in the case of a tilting of a rider over the head of his horse .
• the sending of the alert message can be carried out by the first device and / or by the second device and / or by a third device.
• At least one of the first device and the second device is able to communicate via a terrestrial or satellite communication network.
• the third device is worn by the pilot.
• the third device is able to communicate via a terrestrial or satellite communication network.
• the third device is a smartphone.
• the method further comprises a step of detecting a break in the connection between the first device and the second device, for example when the vehicle moves away from the pilot, for example following a driver's fall. .
• the method comprises a step of detection by the first device of a so-called "singular" acceleration, relating to an incident occurring to the pilot such as, for example, a pilot's fall or an at least temporary passage of the pilot in a abnormal position relative to the vehicle.
• This singular acceleration is fast and important, for example greater than 200 m. s -2 (ie greater than 20 g) in absolute value (preferably greater than 500 ms " 2 ), which corresponds to a fall or a sudden braking
• This singular acceleration can be measured using an accelerometer mounted in the This acceleration may in particular be negative, for example in the case of a fall of the pilot on the ground.It will be noted that, in the context of the invention and throughout this document, the accelerometer could be replaced by a shock sensor.
• the method comprises, following the detection of a singular acceleration, a step of detection, by the first device, of an active or inactive state of the pilot, in particular to determine whether the pilot is respectively conscious or unconscious after a fall.
• sensors integrated in the first device for example an accelerometer, a gyroscope or any suitable sensor, can detect movements or lack of movement of the driver.
• the first device can establish, for example periodically, from the measurements made by the sensors, a bulletin reflecting the health status of the pilot (for example, in strong motion if the driver gets up, in slow motion s he lies on the ground conscious or inanimate when lying unconscious on the ground).
• the method comprises, following the detection of a singular acceleration and in case of removal of the vehicle, a step of replacing the wireless connection established between the first device and the second device by a wireless connection between the first device and the third device to send the health bulletins to the third device.
• the third device can already be configured to accept a wireless connection by default of the first device or can be activated following the reception of a message received from the first device via a network communication module of the third device, for example type SIGFOX®, LoRa®, GSM, 3G, 4G, 5G or similar or satellite.
• the first device can be made to change its configuration automatically so as to cooperate with the third device.
• the method comprises, before sending an alert message, a proposal for canceling the sending of the alert message.
• this cancellation proposal is not accepted by the pilot after a predetermined time, for example after 30 seconds, especially because it is unconscious, the alert message is sent .
• the cancellation of the sending of the alert message can be triggered, if the pilot remains conscious, either from the first device if the connection between the first device and the second device is still active, or via the third device .
• the messages for canceling the sending of the alert message can be stored in a memory zone, for example the second device.
• the method comprises a step of determining the geographical position of the first device, preferably periodically.
• the determined geographical position of the first device is sent in the alert message, especially since a change in the distance between the first device and the second device has been detected and / or the rupture of the communication link proved to be proven.
• the geographical position of the first device when the change in the distance between the first device and the second device is detected, is instantly determined by the first device and is sent by the first device in the first device. alert message to find the driver easily.
• the method comprises a step of determining the geographical position of the second device, preferably periodic.
• the determination of the geographical position of the first device and / or the second device can advantageously be carried out using a satellite geolocation module.
• Such a geolocation satellite module may for example be of the type
• GPS GPS, GALILEO, GLONASS, COMPASS, BEIDOU, IRNSS, QZSS, etc.
• the geographical position of the first device can be determined by the second device. This is particularly advantageous when the first device does not include a satellite geolocation module or when the first device comprises a satellite geolocation module but that it is in an area in which it can not receive satellite signals allowing its geolocation (for example in a dense forest or, a tunnel).
• the first device may be devoid of satellite geolocation module, in particular to reduce the power consumption of said first device, such satellite geolocation module may be particularly energy-intensive.
• At least the last determined position of the second device is stored in a memory area of said second device.
• the method comprises a step of determining the trajectory of the vehicle by the second device.
• the determination of the trajectory of the vehicle comprises the determination by the second device of the speed of the vehicle.
• the trajectory is determined using at least one accelerometer and one magnetometer.
• the trajectory is determined periodically, at a first period until a change in distance has been detected in a so-called “standard” mode, and at a second period, less than the first one. period, from the moment when a modification of the distance has been detected in a so-called “warning" mode.
• the second device is configured to estimate its geographical position from its last determined geolocation and its trajectory since the last geolocation.
• the determination of the trajectory of the vehicle and / or its geographical position can be sent by the second device via a cellular or satellite communication network in order to locate the vehicle after its separation from the pilot, which is particularly advantageous in the case where the vehicle is an animal or an assembly formed of a trailer towed by one or more of the animals likely, following its separation from the pilot, to continue its path and to evolve in particular in an area in which the second device does not receive satellite signals to determine its position.
• the method comprises a step of estimating the geographical position of the first device from a geographical position of the second device determined by the second device and the trajectory of the vehicle determined by the second device, in particular since the separation of the second device. driver and vehicle.
• the precise determination of the trajectory in the alert mode will locate the pilot retrospectively from a new geographical position obtained as soon as the satellite signals will be available again for the second device.
• the alert mode may remain active until the satellite signals for locating the second device are available again.
• Such an estimate is particularly useful in the case where the pilot and / or the vehicle are in an area in which the satellite signals can not be received, or when the wireless communication link has been broken.
• the alert message comprises the geographical position of the first device and / or the geographical position of the second device and / or the geographical position of the third device.
• Said geographical position may have been determined by satellite and / or using the trajectory of the second device.
• the position of the first device in particular when it is determined by the second device, can be sent by the second device in an alert message in order to be able to find the driver, this being useful when the first device is in an area in which it receives no signal from a communications network that would allow it to send an alert message.
• the method comprises, following the detection by the first device of a so-called "singular" acceleration, relating to an incident occurring to the pilot, a step of confirmation of the alert (which may for example take the form of a lack of response to a message to cancel the alert)
• the alert message sent comprises an estimate of the geographical position of the first device from a geographical position of the second device determined by the second device and the trajectory of the vehicle determined by the second device when a modification of the distance between the first device and the second device has been detected and / or the breaking of the wireless communication link proved to be proven.
• the invention also relates to an alert system following an incident occurred to a vehicle driver.
• the system is remarkable in that it comprises a first device adapted to be carried by said driver and a second device capable of being mounted in or on said vehicle, said first device and said second device being able to be connected via a link of wireless communication prior to the occurrence of said incident, at least one of the first device and the second device being able to detect a change in the distance between the first device and the second device from said wireless communication link and at least one of the first device and the second device being able to trigger the sending of at least one alert message.
• the first device is configured to detect the change in the distance between the first device and the second device.
• the first device may for example be configured to measure the power of the signals received on the wireless communication link and compare said power with an average power, corresponding to a mean distance called "link" between the first device and the second device, or a power interval corresponding to a range of distances called "connection distance” between the first device and the second device.
• the second device is configured to detect the change in the distance between the first device and the second device.
• the second device can for example be configured to measure the power of the signals received on the wireless communication link and compare said power with an average power, corresponding to a mean distance called "link" between the first device and the second device, or a power interval corresponding to a range of distances called "connection distance" between the first device and the second device.
• the first device is configured to send the alert message.
• the first device may comprise a terrestrial telecommunications cellular communication module, for example SIGFOX®, LoRa®, GSM, 3G, 4G, 5G or similar, or satellite.
• a terrestrial telecommunications cellular communication module for example SIGFOX®, LoRa®, GSM, 3G, 4G, 5G or similar, or satellite.
• the second device is configured to send the alert message.
• the second device may comprise a terrestrial telecommunications cellular communication module, for example SIGFOX®, LoRa®, GSM, 3G, 4G, 5G or similar, or satellite.
• a terrestrial telecommunications cellular communication module for example SIGFOX®, LoRa®, GSM, 3G, 4G, 5G or similar, or satellite.
• the alert message comprises an estimate of the geographical position of the first device, determined for example from the position of the second device, particularly since a change in the distance between the first device and the second device has has been detected and / or the breaking of the communication link proved to be proven.
• the system comprises a third device, for example a smartphone, configured to send the warning message, in particular via a terrestrial or satellite communication network, said third device being capable of being connected to the first device on a communication link called "alert", preferably Bluetooth®, or any other suitable link.
• alert preferably Bluetooth®
• the first device is configured to detect a break in the connection between the first device and the second device, for example consecutively a fall of the driver when the vehicle moves away.
• the second device is configured to detect a break in the connection between the first device and the second device.
• the first device is configured to detect a singular acceleration relative to an incident occurred to the pilot, as defined above.
• the first device comprises an accelerometer.
• the first device comprises a magnetometer.
• the first device comprises an altimeter or a barometer.
• the first device comprises a gyroscope.
• the first device is configured to detect an active or inactive state of the pilot, in particular to determine if the pilot is respectively conscious or unconscious after a fall.
• sensors integrated in the first device for example an accelerometer, a gyroscope or any suitable sensor, can detect movements or lack of movement of the driver.
• the first device can be configured to establish, for example periodically, from the measurements made by the sensors, a bulletin reflecting the health status of the pilot (for example, in strong motion if the driver gets up, in weak movement if he lies on the ground conscious or inanimate when lying unconscious on the ground).
• the first device is configured to switch the wireless connection established with the second device to the third device, in particular to send health reports to the third device.
• the third device can already be configured to accept a wireless connection by default of the first device or can be activated following the reception of a message received from the first device via a network communication module of the third device, for example of SIGFOX®, LoRa®, GSM, 3G, 4G, 5G or similar or satellite type.
• the first device can be made to change its configuration automatically so as to cooperate with the third device.
• the first device is configured to allow the triggering of an alert by the pilot, for example by pressing a key, a button or a predetermined area of a touch interface.
• the first device, the second device and / or the third device can be configured to send the alert message.
• the first device is configured to, before sending the alert message, propose the cancellation of said alert message.
• this cancellation proposal is not accepted by the pilot after a predetermined time, for example after 30 seconds, especially because it is unconscious
• the alert message is sent , by the first device or by the second device or by the third device.
• the cancellation of the sending of the alert message can be triggered, if the pilot remains conscious, either from the first device if the connection between the first device and the second device is still active, or via the third device .
• the messages for canceling the sending of the alert message can be stored in a memory zone, for example the first device or the second device.
• the second device is configured to propose the cancellation of the alert message.
• this cancellation proposal is not accepted by the pilot after a predetermined time, for example after 30 seconds, especially because it is unconscious
• the alert message is sent , by the first device or by the second device or by the third device.
• the cancellation of the sending of the alert message can be triggered, if the pilot remains conscious, either from the second device if the connection between the first device and the second device is still active, or via the third device .
• the messages for canceling the sending of the alert message can be stored in a memory zone, for example the first device or the second device.
• the first device is configured to collect data from other devices for monitoring the behavior of the pilot and to contribute to the observation, to the knowledge of the behavior of the pilot and the regulation of his activity possibly at a distance. This data will be called monitoring data. Participating in one or more Bluetooth connections with another or more other devices, the first device may be required to store information from these other devices and to use them. It may be advantageous to collect, for example, cardiac measurements, blood pressure measurements, or any other vital sign, making it possible to diagnose an activity leading to exhaustion or an abnormal state. In the case where abnormal driver activity would be diagnosed, the first device may be configured to send an alert by itself or through the second device or third device.
• the second device is configured to collect on demand data from other devices to monitor the activity of the vehicle and contribute to the observation, the knowledge of the behavior of the vehicle and the regulation of its activity possibly to distance. This data will be called monitoring data. Participating in one or more Bluetooth connections with another or more other devices, the second device may be required to store information transmitted by these other devices and to exploit them. It may be advantageous to collect, for example, cardiac measurements, blood pressure measurements, any other vital sign, or measurements in operation, to diagnose or predict exhaustion or an abnormal state. In the event that an abnormal activity of the vehicle is diagnosed or predictable, the second device may be configured to send an alert by itself or via the first device or the third device. Advantageously the diagnosis can be transmitted to the driver of the vehicle so that it takes into account the degradation.
• the third device can be configured to receive the monitoring data collected by the first and / or the second device, to analyze them, to propagate them, and / or to receive a message modifying the activity of the pilot and / or the vehicle. .
• the first device is configured to determine its geographical position, preferably periodically.
• the first device is configured to determine (and advantageously store) its geographical position at the moment when the modification of the distance between the first device and the second device is detected. This geographical position can be advantageously sent in the alert message to find the driver easily.
• the second device is configured to determine its geographical position, preferably periodically.
• the first device comprises a satellite geolocation module, for example GPS, GALILEO, GLONASS, COMPASS, BEIDOU, IRNSS or QZSS, etc.
• a satellite geolocation module for example GPS, GALILEO, GLONASS, COMPASS, BEIDOU, IRNSS or QZSS, etc.
• the second device comprises a satellite geolocation module, for example GPS, GALILEO, GLONASS, COMPASS, BEIDOU, IRNSS or QZSS, etc. More preferably, at least the last determined position of the second device is stored in a memory area of said second device.
• a satellite geolocation module for example GPS, GALILEO, GLONASS, COMPASS, BEIDOU, IRNSS or QZSS, etc.
• the method comprises periodically determining and sending the geographical position of the pilot and / or the vehicle to a remote entity, for example in order to follow remotely on a map the pilot and his vehicle as a prevention or measurement of performance.
• the second device is configured to determine its trajectory, and in doing so, the trajectory of the vehicle.
• the second device is configured to determine the speed of the vehicle.
• the second device comprises an accelerometer.
• the second device comprises a magnetometer.
• the second device comprises an altimeter or a barometer.
• the second device comprises a gyroscope.
• the second device is configured to determine its trajectory and estimate its geographical position using said trajectory and a geographical position of the second device stored in its memory zone.
• the second device is configured to send its trajectory or its geographical position via a cellular or satellite communication network in order to locate the vehicle after its separation from the pilot, which is particularly advantageous in the case where the vehicle is an animal or an assembly formed of a trailer towed by one or more of the animals likely, following its separation from the pilot, to continue its path and to evolve in particular in a geographical area in which the second device does not receive the satellite signals allowing him to indicate his position.
• the second device is configured to estimate the geographical position of the first device from a geographical position of the second device determined by the second device, for example via its satellite geolocation module, and the trajectory determined by the second device. device.
• Such an estimation is particularly useful in the case where the signals emitted by the satellites can not be received at the moment when the change in the distance between the first device and the second device is detected, in particular for example when the pilot and / or the vehicle are in a forest or in a tunnel, or when the wireless communication link has been broken.
• the second device is configured to determine and store its geographical position when the change in the distance between the first device and the second device is detected. This geographical position can be advantageously sent, when determined or later, in an alert message to find the driver easily.
• the second device is configured to determine its trajectory periodically, at a first period until a change in distance has been detected (so-called “standard” mode) and at a second period, less than the first period, from the moment when a modification of the distance has been detected (so-called "warning" mode).
• FIG. 1 schematically illustrates an embodiment of the system according to the invention.
• Figure 2 shows schematically a rider equipped with a first device and a horse equipped with a second device.
• Figure 3 schematically shows the rider of Figure 3 separated from his horse following a fall.
• FIG. 4 schematically illustrates an embodiment of the system according to the invention.
• FIG. 5 diagrammatically represents an exemplary implementation of the invention when the rider is in a zone that does not allow a geolocation signal to be received.
• FIG. 6 diagrammatically represents an exemplary implementation of the invention when the trajectory of the vehicle is determined by the second device.
• the system of the invention can alert one or more third parties (predefined by the user) following an incident occurred to a vehicle driver by diagnosing a separation, temporary or permanent, the driver and his vehicle.
• Vehicle means a means of transportation that moves people or loads from one point to another.
• - vehicles propelled by animal power the tank, the horse-drawn car, the sled;
• - motor vehicles automobile, taxi, bus, trolleybus, coach, tram, tramway, metro, RER, train, elevator, funicular, gondola , the plane, the rocket, the boats, etc.
• the system according to the invention applies easily and advantageously to motorcycles, animals, vehicles towed by animals, cars and boats.
• the system 1 comprises a first device 10 carried by the driver 15 of the vehicle 25 and a second device 20 mounted in or on the vehicle 25.
• the first device 10 and the second device 20 are spaced apart by a distance, called the "link distance" DL (with reference to Figure 2).
• the system 1 makes it possible to detect a change in the distance between the first device 10 and the second device 20 in order to determine that the pilot 15 and his vehicle 25 have been, at least temporarily, separated (FIG. 3) and diagnose that an incident has occurred to alert one or more thirds 50 (with reference to Figures 3, 5 and 6).
• a change in the distance between the first device 10 and the second device 20 results from an incident occurring to the driver 15 of the vehicle 25.
• modification of the distance it is meant that the distance between the first device 10 and the second device 20 no longer corresponds to the distance link DL, the distance between the first device 10 of the second device 20 being called “separation distance” DS, as shown in Figure 3).
• connection distance DL corresponds to an average distance or to a distance within a range of distances outside which it is considered that there is separation between the driver 15 and the vehicle 25.
• This range of distances is adapted to the application and, in particular, to the type of vehicle 25.
• a modification of the distance between the first device 10 and the second device 20 while the motorcycle is in motion. movement typically corresponds to a fall of the pilot 15.
• an increase in the distance between the first device 10 and the second device 20 typically corresponds to a fall of the rider while a reduction in distance may correspond to a tilting of the rider over the horse's head.
• the connecting distance DL is between a few centimeters, for example five centimeters, and a few meters, for example the length of the vehicle 25.
• the first device 10 comprises a plurality of modules fulfilling various functions.
• the first device 10 comprises in particular a management module 100 configured to manage the other modules.
• this management module 100 is in the form of a processor or a microcontroller to implement different functions.
• the first device 10 firstly comprises a first communication module 1 10 configured to communicate with the first device 10 on a wireless communication link L1.
• This wireless communication link L1 is a low power connection so as to allow autonomy of several hours in operating mode and several days in standby mode.
• the wireless communication link L1 can be a Bluetooth® communication link, Bluetooth® low energy (BLE or Bluetooth Low Energy in English), Zigbee, Wifi or any other suitable communication protocol.
• the first device 10 is configured to detect a change in the distance between the first device 10 and the second device 20. In other words, the first device 10 is configured to detect that the distance separating it from the second device 20 no longer matches the link distance DL, which has been predefined for example. It should be noted that the first device 10 could also be configured to determine the distance that separates it from the second device 20.
• the management module 100 is configured to measure, preferably permanently, the power of the signals emitted by the second device 20 and received by the first communication module 1 10 on the wireless communication link L1. . In this case, a detection of the change in the distance separating the first device 10 from the second device 20 is then performed by the management module 100 when the measured power varies significantly by a predetermined percentage with respect to a mean power or a power interval corresponding to the DL link distance (this percentage depending on the intended application).
• the first device 10 and the second device 20 are permanently connected to the wireless communication link L1 in order to be able to detect at any time a change in the distance between the first device 10 and the second device 20.
• the first device 10 is configured to detect a break of the wireless communication link L1, that is to say of the wireless connection between the first device 10 and the second device 20.
• a break detection being known in itself, it will not be further detailed here.
• the first device 10 is configured to send an alert message to a predetermined third party when a change in the distance between the first device 10 and the second device 20 has been detected.
• the first device 10 may comprise a second communication module 120, to communicate in particular via a communication network 40 which may for example be cellular or satellite.
• the alert message may for example take the form of a text short text message (Short Text Messaging in English), an email or any suitable form. It can in particular be transmitted to a server connected to the communication network.
• a text short text message Short Text Messaging in English
• email email
• any suitable form It can in particular be transmitted to a server connected to the communication network.
• the first device 10 is configured to inform the second device 20, for example via the wireless communication link L1 (as long as the connection is made) or a third device 30 that a change in the distance between the first device 10 and the second device 20 has been detected so that the second device 20 or the third device 30 respectively sends an alert message to a predetermined third party.
• the third device 30 is able to communicate with the first device 10, for example on a Bluetooth® communication link or any other suitable link.
• the third device 30 may be a mobile phone, for example of the smartphone type, able to communicate via a communication network 40, in particular cellular or satellite.
• a cellular communication network 40 may be GSM, UMTS, LTE or any other suitable network.
• the first device 10 comprises an accelerometer 130, in particular for determining an impact of the pilot 15 on the ground or on any obstacle. Such a determination can be made when the accelerometer 130 suddenly measures a singular acceleration, for example greater than 200 m. s 2 in absolute value (preferably greater than 500).
• the accelerometer 130 can furthermore make it possible to measure the acceleration experienced by the pilot 15 before the impact (at lower absolute values).
• the first device 10 may further comprise an altimeter (or a barometer) 140 and / or a gyroscope 150.
• the gyroscope 150 makes it possible to diagnose movements recognized as improbable or dangerous, such as for example a complete rotation, according to any axis of the pilot 15 carrying the first device 10.
• the altimeter or barometer 140 respectively make it possible to determine the altitude or the ambient pressure of the first device 10.
• the first device 10 comprises a memory zone 160 which can allow, prior to an output or a displacement, to pre-load the known geographical coordinates of a path as well as some of the characteristics of said coordinates.
• This memory zone 160 may furthermore make it possible, during the making of a path, to collect new geographical coordinates or new characteristics concerning these coordinates.
• the memory zone 160 is used to store geographical positions (for example in the form of coordinates) and their characteristics collected in the field.
• the first device 10 could also be equipped with a satellite geolocation module, for example GPS, GALILEO, GLONASS, COMPASS, BEIDOU, IRNSS, QZSS, etc.
• a satellite geolocation module for example GPS, GALILEO, GLONASS, COMPASS, BEIDOU, IRNSS, QZSS, etc.
• the pilot 15 when equipped with a third device 30, the latter may also include such a satellite geolocation module.
• the second device 20 comprises a plurality of modules fulfilling various functions.
• the second device 20 includes in particular a management module 200 configured to manage the other modules.
• this management module 200 is in the form of a processor or a microcontroller electrically connected to the other modules, sensors and memory area in order to implement their various functions.
• the second device 20 firstly comprises a first communication module 210 configured to communicate with the first device 10 on the wireless communication link L1 described above.
• the second device 20 is configured to determine the distance between the first device 10 and the second device 20 and to detect a change in this distance for which it no longer corresponds to the link distance DL.
• the distance between the first device 10 and the second device 20 can be determined by the second device 20 by measuring the power of the signals emitted by the first device 10 and received by the first communication module 210 of the second device 20 on the second device 20. wireless communication link L1.
• the detection of the change in the distance between the first device 10 and the second device 20 can be carried out by the second device 20 when the measured power significantly varies by a predetermined percentage with respect to an average power corresponding to the distance of DL bond, for example more than 10%, or when the measured power is no longer in the power range corresponding to the DL bonding distance, as described above.
• the first device 10 and the second device 20 are permanently connected to the wireless communication link L1 in order to detect at any time a change in the distance between the first device 10 and the second device 20.
• the second device 20 is configured to detect a break of the wireless communication link L1.
• the second device 20 is configured to send an alert message to a predetermined third party when a change in the distance between the first device 10 and the second device 20 has been detected.
• the second device 20 may comprise a communication module 220, in particular to communicate via a communication network 40, in particular cell or satellite.
• the second device 20 may be configured to inform the first device 10 or a third device 30 that Changing the distance between the first device 10 and the second device 20 has been detected so that the first device 10 or the third device 30 sends an alert message to a predetermined third party.
• the third device 30 may be a mobile phone, for example of the smartphone type, capable of communicating via a communication network, in particular cell 40 or satellite 60.
• the alert message may for example take the form of a text short text message (Short Text Messaging in English), an email or any suitable form. It can in particular be transmitted to a server connected to the communication network 40.
• the second device 20 comprises a satellite geolocation module 230.
• the positioning of the first device 10 can be achieved by using the position of the second device 20, equipped with said satellite geolocation module 230, and the path followed by the second device 20, for example determined from the last determined geographical position or from where the breaking of the wireless communication link L1 has been detected.
• the satellite geolocation module 230 may for example be GPS, GALILEO, GLONASS, COMPASS, BEIDOU, IRNSS, QZSS, etc. type.
• the second device 20 is configured to store the last position of the vehicle 25 determined by the satellite geolocation module 230 in a memory zone 240.
• This memory zone 240 may allow, prior to an output or a displacement, to pre-load the known geographical coordinates of the path as well as some of the characteristics of said coordinates. This memory zone 240 can furthermore make it possible, during the making of a path, to collect new geographical coordinates or new characteristics concerning these coordinates.
• the memory zone 240 is used to store geographical positions (for example in the form of coordinates) and their characteristics collected in the field.
• the management module 200 of the second device is configured to control the management module 200 of the second device
• the second device 20 is configured to determine the trajectory of the vehicle 25.
• the second device 20 comprises an accelerometer 250 and a magnetometer 260.
• the accelerometer 250 makes it possible to measure the accelerations of the second device 20 while the magnetometer 260 makes it possible to measure the direction followed by the second device 20.
• the acceleration data make it possible to determine the speed the second device 20 (ie vehicle 25).
• the determined speed coupled to the directions measured by the magnetometer 260, makes it possible to determine the trajectory of the second device 20. Such a trajectory determination being known per se, it will not be further detailed here.
• the second device 20 is configured to estimate the geographical position of the vehicle 25 from the last geographical position determined by the satellite geolocation module 230 and the trajectory of the vehicle determined by the management module 200.
• the second device 20 may further comprise a gyroscope 270 and / or an altimeter (or a barometer) 280.
• the gyroscope 270 can diagnose movements recognized as unlikely or dangerous such as a complete rotation, according to any axis of the vehicle 25 on or in which the second device 20 is mounted.
• the altimeter or the barometer 280 respectively make it possible to determine the altitude or the ambient pressure of the second device 20.
• the invention will be described in its implementation with reference to FIG. 4.
• the first device 10 and the second device 20 are connected to the wireless communication link L1 prior to the occurrence of an incident.
• the first device 10 and / or the second device 20 monitors, in a step E1, the wireless communication link L1, for example by measuring the power of the signals received on said wireless communication link L1 or any another parameter of the wireless communication link L1 that can detect a change in the distance between the first device 10 and the second device 20.
• one of the first device 10 and / or the second device 20 detects a change in the distance between the first device 10 and the second device 20. This modification may result from the measurements made in step E1 or else a sudden break in the L1 wireless communication link.
• the first device can detect, in a step E3, a so-called "singular" acceleration relative to an incident occurring to the pilot 15 such as, for example, a fall or a passage, at least temporarily, in an abnormal position relative to the vehicle 25.
• a so-called "singular" acceleration relative to an incident occurring to the pilot 15 such as, for example, a fall or a passage, at least temporarily, in an abnormal position relative to the vehicle 25.
• the second device 20 may requesting an incident confirmation from the pilot 15 via the first device 10 or a third device 30 in a step E4.
• At least one alert message is sent by one of the first device 10 and / or the second device 20 or possibly the third device 30 in a step E5.
• the second device In the absence of a cancellation message from the first device 10 or the third device 30 to the second device 20, the second device sends an activation message of the wireless link to the third device 30 using the terrestrial or satellite network .
• the first device 10 is configured to cooperate with the third device 10 and establishes the activity report of the driver in a step E7.
• the successive activity reports of the pilot 15 established by the first device 10 are transmitted to the third device 30 which periodically sends them to pre-recorded emergency numbers to enable them to follow the evolution of the pilot's state of unconsciousness.
• This activity report comprises the last measurements of the various devices participating in a Bluetooth connection with the first device 10 and the measurement of the activity or inactivity of the pilot 15. Said balance sheet is updated periodically.
• Example 1 Pilot 15 is a jumper and vehicle 25 is a horse ( Figure 2,
• the first device 10 may for example be mounted on the jumper at any suitable place via a fastening system.
• the second device 20 may for example be mounted at the highest part of the horse.
• the first device 10 and the second device 20 are connected beforehand via a low-power Bluetooth® wireless communication link L1 and the geolocation is performed by a satellite geolocation module 230 of the GPS type.
• the jumper may be equipped with a third device 30 of the smartphone type, able to communicate via a communication network 40, for example cellular or satellite.
• the second device 20 mounted on the horse, determines its geolocation (GPS point) regularly, preferably periodically, via the satellite geolocation module 230. For each new geolocation, the second device 20 determines, depending on the proximity geographical positions already known and characterized, the interest to memorize a new position geolocation or not.
• GPS point GPS point
• the second device 20 For each geolocation position to be stored, the second device 20 stores the characteristics of the available communication networks 40 and potentially the various available measurements (accelerometer, gyroscopic, magnetometric, barometric ). This makes it possible in particular to improve the safety of the rider by a better knowledge of the environment in which he evolves and by improving the autonomy of the second device 20. By a better knowledge, one understands a progressive and selective enrichment of the catalog of data already known and a new characterization of geographical positions already determined beforehand. To increase the autonomy, the second device 20 may in particular space the geographical position measurements. In addition, at each signal loss of the communication network 40 or significant loss of the level of said signal, the second device 20 can determine the corresponding geographical location and store the new point under the same conditions as before.
• the second device 20 comprises an accelerometer 250 and a magnetometer 260 and performs measurements of acceleration and orientation at regular intervals so as to estimate a speed and to be able to calculate the trajectory T of the horse if necessary, especially in case of subsequent loss of GPS signal.
• a location of the second device 20 can be calculated using in particular the accelerations (via the accelerometer 250), the orientation of the magnetometer 260, the time, the cadences of the horse (frequency steps) to reconstruct the trajectory T from the last known geographical position of the second device 20.
• a geographical position of the first device 10 can be calculated from a new geographical position obtained by the second device 20 and the trajectory T calculated from where a change in the distance between the first device 10 and the second device 20 has been detected.
• a loss of the signal of the communication network 40 is detected by the management module 200 of the second device 20, it may for example be indicated to the jumper by means of a diode and a color code materializing the impossibility of transmitting any alert message.
• the first device 10 first detects a sudden elongation of the distance vis-à-vis the second device 20 and then detects an impact characterized by an acceleration value greater than a predefined threshold, by example at 500 m. s -2 . Following the detection of the impact, the first device 10 records acceleration, gyroscopic, barometric and magnetometric values for a predefined time and then transmits these values instantaneously to the second device 20 on the wireless communication link L1 as long as said link is maintained. The set of measured values is called "rider balance". In parallel, the first device 10 calculates revolution of the distance vis-à-vis the second device.
• a predefined threshold by example at 500 m. s -2 .
• the intensity of the impact is measured (in g) and gives rise to the evaluation of a severity level according to the value calculated for a given scale.
• the first device 10 launches an immobility detection algorithm of the jumper based on the various accelerometric, gyroscopic, magnetometric and barometric values for a predefined time, for example 5 seconds, which constitutes a new balance of the jumper .
• This algorithm is restarted at regular intervals.
• the balances established by the first device 10 are sent to the second device 20 on the wireless communication link L1 as long as the said wireless communication link L1 is established between the first device 10 and the second device 20.
• the balances can also be relayed by the smartphone of the rider in the event of loss of the wireless communication link L1 between the first device 10 and the second device 20.
• the second device 20 performs a calculation of the trajectory T of the horse advantageously using its magnetometer 260, its accelerometer 250 as described above and determines the geographical position (GPS point) in order to know both its position and to deduce, using the determined trajectory T, that of the injured rider.
• GPS point geographical position
• the second device 20 delivers to a third party 50, via the cellular communication network 40 and depending on the existence of a sufficient signal level thereof, the positions geographical (GPS points) regular second device 20, and the latest known information of the first device 10, for example the last real data sent by the first device 10 to the second device 20 before the breaking of the wireless communication link L1.
• the positions geographical (GPS points) regular second device 20 and the latest known information of the first device 10, for example the last real data sent by the first device 10 to the second device 20 before the breaking of the wireless communication link L1.
• the increase of the distance vis-à-vis the first device 10 triggers the determination of the geographical location, the calculation of the trajectory T of the second device 20, the calculation of the height (via the altimeter or the barometer 280) and its transmission to the first device 10.
• This process may also be event in the case where the second device 20 receives a message on the wireless communication link L1 which is characterized by a value of significant acceleration recorded by the first device 10, corresponding to a fall of the rider, characterized by the various measures available.
• the first device 10 After the immobility detection phase, and if the need is confirmed, the first device 10 connects to the third device 30, if it is accessible, for example on a Bluetooth® communication link, so as to use the access to the communication network 40 provided by said third device 30 for transmitting the new information provided by the first device 10.
• a geographical position of the separation of the rider from his horse can be established using the calculated displacement and the GPS position which will be obtained later when the GPS signal will be available again.
• the last known GPS position before the separation can be instantly broadcast to allow a guidance of the rescue pending a more accurate point obtained by the calculation performed.
• the second device 20 performs regular GPS points (configurable interval) and transmits via the communication network 40 to the contacts (third) 50 predetermined.
• the GPS points the calculation of the horse's movement remains active. In the absence of a signal received from the cellular communication network 40, the GPS points continue to be made.
• the geographical points are calculated and transmitted via the communication network 40.
• the geographical points are also calculated and stored, but not transmitted. They can for example be exploited later to find the horse and / or the rider.
• the individual in this case the individual is in an area near the ground estimated between 0 and (0.48 x h), where h represents the size of the individual.
• the altitude of the rider can not be higher or lower than, for example, 1, 20 meters to that of the horse.
• the rider's altitude can not be higher than the height of the horse's headrest increased by 1, 20 meters (the highest estimated point of the horse with respect to his withers).
• the rider's altitude can not be less than the reference height of the horse (height of the withers) less than 1, 20 meters.
• the first device 10 transmits following the increase of the distance and the detection of an impact, periodically, on the Bluetooth® link and as long as the wireless communication link L1 is maintained, the values of acceleration, gyroscopic, magnetometric and altimetric to characterize the fall of the rider.
• the second device 20 determines its own altitude and compares it with the altitude of the first device 10 received on the wireless communication link L1 to determine if the first device 10 is at the same time.
• ground level for example when the difference in altitude is greater than 1, 20 meters.
• the same type of altimeter is used in the first device 10 and the second device 20 to have the same accuracy.
• the various parameters taken into account can be modified in order to be adapted to the size of the jumper carrying the system.
• Example 2 vehicle towed by animals
• a pilot or a passenger is equipped with the first device 10 (or a plurality of pilots and / or passengers are each equipped with a first device 10) and the second device 20 is mounted on the towed vehicle.
• the determination of the distance is preferably carried out by the first device 10 (or one of the first devices 10).
• each pilot and passenger can carry a first device 10 and have designated a different third party to alert so that alerts can be sent to different people depending on the first device involved in the incident.
• the first device 10 Connected for example via a wireless communication link L1 of Bluetooth® type to the second device 20 fixed on the motorcycle, the first device 10, fixed on the driver or on his helmet, advantageously integrated into his helmet, continuously calculates the distance between the first device 10 and the second device 20.
• This distance which is preferably less than the length of the motorcycle, is configurable so as to determine a safety zone around the machine.
• the sudden increase in distance triggers the alert process in a similar way to the previous example.
• the signal will be sent to trusted third parties or emergency centers.

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• 2017
  • 2017-04-19 FR FR1753373A patent/FR3065563B1/fr active Active
• 2018
  • 2018-04-19 EP EP18717100.4A patent/EP3420545B1/de active Active
  • 2018-04-19 WO PCT/EP2018/060099 patent/WO2018193056A1/fr unknown

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