GB2619739A - Method and system for determining and providing information about occupants of a vehicle - Google Patents

Method and system for determining and providing information about occupants of a vehicle Download PDF

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Publication number
GB2619739A
GB2619739A GB2208765.4A GB202208765A GB2619739A GB 2619739 A GB2619739 A GB 2619739A GB 202208765 A GB202208765 A GB 202208765A GB 2619739 A GB2619739 A GB 2619739A
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GB
United Kingdom
Prior art keywords
vehicle
signals
occupants
classification
interior
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
GB2208765.4A
Other versions
GB202208765D0 (en
Inventor
Faruque Asad
Kumar Bhimisetty Manoj
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Continental Automotive Technologies GmbH
Original Assignee
Continental Automotive Technologies GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Continental Automotive Technologies GmbH filed Critical Continental Automotive Technologies GmbH
Priority to GB2208765.4A priority Critical patent/GB2619739A/en
Publication of GB202208765D0 publication Critical patent/GB202208765D0/en
Publication of GB2619739A publication Critical patent/GB2619739A/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L17/00—Speaker identification or verification
    • G10L17/26—Recognition of special voice characteristics, e.g. for use in lie detectors; Recognition of animal voices
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
    • G10L25/66—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination for extracting parameters related to health condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • B60W2030/082—Vehicle operation after collision

Abstract

The present invention discloses a method for determining and providing information about occupants of a vehicle 2, particularly in the event of an accident of the vehicle, the vehicle comprising an interior sensing system 4 for sensing an interior state and a control unit 3 connected to the interior sensor system, the method comprising the steps of: sensing of signals by the interior sensing system and transmission of the sensed signals to the control unit, pre-processing of the transmitted signals by the control unit, transmitting the pre-processed signals to a server 5 external to the vehicle during a pre-crash phase of the vehicle, and - determining a classification of the occupants of the vehicle based on the transmitted pre-processed signals by an evaluation device of the server during the pre-crash phase of the vehicle. The sensing system may be an array of microphones and the classification of the occupants is determined based upon analysis of the microphone signals. The classification may comprise a number, type, age or health status.

Description

Description
Method and system for determining and providing information about occupants of a vehicle The invention relates to method for determining and providing information about occupants of a vehicle, particularly in the event of an accident of the vehicle. The invention further relates to a system for determining and providing information about occupants of a vehicle, particularly in the event of an accident of the vehicle.
The safety of occupants in vehicles assumes an important role in the development of vehicles. Safety approaches frequently include several measures for increasing driving safety, from a structural protection of the vehicle cabin, to occupant restraint systems like airbags and belt tightening systems, to an automated transmission of emergency calls with the aim of being able to better protect occupants in the vehicle in case of an accident.
Automatic emergency call methods and systems are well known for alerting an assistance center by sending an alarm signal through manual triggering with the aid of a button or by automatic triggering, controlled by an impact sensor built into the vehicle. Thereby, in the event of a vehicular accident, an emergency call is transmitted particularly to a rescue control center or an emergency service or the like provided with information related to the accident. Such systems are also known as eCall systems. This is intended to ensure that a rescue chain is set up as quickly as possible. To this end, usually information on the position and direction of travel of the vehicle involved in the accident is provided with the emergency call.
For the survival and the maximum achievable rehabilitation success of an injured occupant, the length of time from the accident to the first effective assistance and thus to the arrival of the proper professional rescue service and the quality of the initial treatment at the accident location as well as the subsequent clinical care are of decisive importance in emergency care. With the known emergency call methods and systems, a noticeable time saving can be achieved in the rescue phase after an accident of the vehicle by shortened search times or a shortened approach time.
However, with the known methods and systems it can be regarded as disadvantageous that a disposition decision for emergency or rescue services to be deployed is usually left to the emergency or rescue control center and that no detailed information regarding the crash and the occupants of the crashed vehicle, especially the health status, particularly injuries, of the occupants, is provided. Furthermore, the known methods and systems necessarily imply that the occupants in the crashed vehicle are able to communicate additional information verbally following the accident. So, under present methods and systems, the information regarding the mentioned factors is usually collected at the scene of the accident by emergency responders upon arrival at the scene, such as by police, firemen, emergency medical technicians and paramedics. As a result, the collection of such information can take time, finally resulting in delay that may result in loss of life or increased injury.
In view of the foregoing, it is an object of the present invention to provide a cost-effective method and a system for determining and providing information about 20 occupants of a vehicle, which ensure a rapid and appropriate care of the occupants in the event of an accident.
According to one aspect of the invention, a method for determining and providing information about occupants of a vehicle, particularly in the event of an accident of the vehicle, is provided, wherein the vehicle comprises an interior sensing system for sensing an interior state and a control unit connected to the interior sensor system. The method comprising: - sensing of signals by the interior sensing system and transmission of the sensed signals to the control unit, -pre-processing of the transmitted signals by the control unit, - transmitting the pre-processed signals to a server external to the vehicle during a pre-crash phase of the vehicle, and -determining a classification of the occupants of the vehicle based on the transmitted pre-processed signals by an evaluation device of the server during the pre-crash phase of the vehicle.
By such a method, information about the occupants of the vehicle is already available in a pre-crash phase of an accident by means of a classification of the occupants, whereby the determining of the classification is not carried out in the vehicle or in a vehicle-internal device, but at a vehicle-external server based on transmitted pre-processed signals from the vehicle which will save cost and resources to the vehicle control unit.
Thus, in accordance with the present invention a cost-effective method and a system for determining and providing information about occupants of a vehicle is provided, which ensure a rapid and appropriate care of the occupants in the event of an accident.
In the context of the present invention, a pre-crash phase is considered to be the phase before an imminent accident or crash of the vehicle, in particular, the temporal phase from a detected risk of accident to the start of the collision. A post-crash phase is considered to be the phase after an accident or crash of the vehicle, in particular a specific temporal phase immediately after the end of the collision.
The vehicle preferably further comprises a pre-crash sensing system which monitors the vehicle surroundings and on the basis of which an imminent accident of the vehicle can be detected. The pre-crash sensing system includes for example a camera, a radar, a lidar and/or ultrasonic sensors. The vehicle preferably further comprises a crash sensing system for the detection and/or validation of an occurred accident of the vehicle, wherein the crash sensing system includes for example a contact sensor, an acceleration sensor and/or a pressure sensor.
The pre-processing of the transmitted signals by the control unit can be designed as a filtering of the transmitted signals.
The server is preferably designed as a cloud server. The evaluation device particularly comprises a microcontroller and/or a microprocessor.
Preferably, the classification determined is stored together with a time stamp in a memory of the server.
In case of a vehicle with more than one occupant within the vehicle, for each of the occupants a classification is determined.
Preferably, the control unit is electrically powered by the battery of the vehicle, wherein the control unit also comprises an independent reserve or back-up energy source, which for example is designed as an energy reserve capacitor with a certain capacity. Such a reserve or back-up energy source serves to store an amount of energy and to supply energy to the control unit in the event that the energy supply from the vehicle battery, which supplies energy under normal operating conditions, should fail or be limited, for example due to broken power supply cable connecting the vehicle battery and the control unit, which often happens in a vehicle accident scenario.
According to an advantageous specific embodiment, the classification comprises a number, a type, an age and/or a health status of the occupants. Preferably, the classification is done for all occupants of the vehicle, so each occupant is classified accordingly. The type may preferably include a categorization or distinction between humans and animals, so the occupant can be classified as a human or an animal. The age may preferably include a categorization or distinction between children, adults and/or the elderly. The health status may preferably include a categorization or distinction between healthy, ill, uninjured, and/or injured, wherein "injured" particularly can further comprise a type and/or severity of the injury.
According to another specific embodiment, the interior sensing system comprises a plurality of microphones distributed in the interior of the vehicle, wherein the signals sensed by the microphones are acoustic signals.
According to another specific embodiment, the classification of the occupants is determined based on an analysis of the amplitude, intensity and/or frequency of the transmitted pre-processed signals.
According to another specific embodiment, during the pre-crash phase at least the step of determining a classification is performed repeatedly, particularly continuously or at regular intervals, wherein the classification determined in each case is provided with a time stamp. Particularly, this step is repeated until the crash occurs. Preferably, during the pre-crash phase, moreover, the step of detecting the signals, the step of pre-processing the transmitted signals and/or the step of transmitting the pre-processed signals, is carried out repeatedly, particularly continuously or at regular intervals, wherein these steps are repeated in particular until the crash occurs.
According to another specific embodiment, in a post-crash phase of the vehicle, an emergency call is sent by the server to an emergency service.
According to another specific embodiment, the classification of the occupants is transmitted with the emergency call. Thus, with the emergency call also the classification of the occupants is transmitted and provided to the emergency service. In addition, preferably, a location of the vehicle is transmitted with the emergency call.
According to another specific embodiment, during a post-crash phase the steps of sensing the signals, pre-processing of the transmitted signals, transmitting the pre-processed signals and determining a classification are further performed, preferably these steps are repeated, in particular continuously or at regular intervals, during the post-crash phase According to another specific embodiment, during the post-crash phase an emergency service is provided with access to the server for accessing the transmitted pre-processed signals. Preferably, different emergency services are provided with access to the server for accessing the transmitted pre-processed signals. this way, a real-time access of the emergency service to the server and thus the respective data after the crash is provided, so the emergency service is enabled to access real-time data. This further promotes a fast, comprehensive and accurate determination of the post-crash situation and the condition of the vehicle occupants and thus a quick and efficient post-crash care.
According to another specific embodiment, the control unit comprises a first communication interface, wherein the server comprises a second communication interface, and wherein the pre-processed signals are transmitted from the first communication interface to the second communication interface by means of a wireless connection between the first communication interface and the second communication interface.
According to another specific embodiment, the wireless connection is established via a wireless local area network, preferably a WiFi network, cellular (e.g. GSM, UMTS, LIE, 5G) and/or a Vehicle-to-X communication link.
According to another aspect of the invention, a system for determining and providing information about occupants of a vehicle, particularly in the event of an accident of the vehicle, is provided, comprising a vehicle with an interior sensing system for sensing an interior state and a control unit connected to the interior sensing system, wherein the system further comprises a server external to the vehicle with an evaluation device, and wherein the system is configured to perform a method according to the invention.
The advantages and the specific and preferred embodiments described for the method according to the invention also apply accordingly to system according to the invention.
The drawings described herein are used to provide a further understanding for the present invention, and constitute a part of the present invention. The exemplary embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation to the present invention. In the drawings: FIG. 1 shows in a schematic diagram a system for determining and providing information about occupants of a vehicle in the event of an accident of the vehicle according to a preferred embodiment of the invention; and FIG. 2 shows a flow chart of a method for determining and providing information about occupants of a vehicle in the event of an accident of the vehicle according to a preferred embodiment of the invention carried out by the system shown in FIG. 1.
The following describes the present invention in detail with reference to the accompanying drawings and in combination with embodiments. It should be noted that, without conflicts, the embodiments in the present invention and features in the embodiments may be combined with each other. Parts corresponding to each other are always provided with the same reference signs in all figures.
FIG. 1 shows in a schematic diagram a system 1 for determining and providing information about occupants of a vehicle 2 in the event of an accident of the vehicle 2. The system 1 comprises a vehicle 2 with an interior sensing system for sensing an interior state and a control unit 3 connected to the interior sensing system. The control unit 3 can be designed for example as an airbag control unit. The interior sensing system comprises a plurality of microphones 4 distributed in the interior of the vehicle 2, wherein the signals sensed by the microphones 4 are acoustic signals. The system 1 further comprises a server 5 external to the vehicle 2 with an evaluation device 6 and a memory 7, wherein the servers is designed as a cloud server.
The control unit 3 comprises a first communication interface 8 particularly for transmitting pre-processed signals sensed by the interior sensing system to a second communication interface 9 of the server 5. The pre-processed signals can be transmitted from the first communication interface 8 to the second communication interface 9 by means of a wireless connection 10 between the first communication interface 8 and the second communication interface 9. The wireless connection 10 is established via a wireless local area network and/or cellular.
The method 100 carried out by the system 1 is shown and described in more detail in FIG. 2.
FIG. 2 shows a flow chart of a method 100 for determining and providing information about occupants of the vehicle 2 in the event of an accident of the vehicle 2 carried out by the system 1 shown in FIG. 1.
In a pre-crash phase of the vehicle 2, in step 110, signals are sensed by the microphones 4 of the interior sensing system and transmitted to the control unit 3. In step 120, the control unit 4 pre-processes the transmitted signals in form of a filtering. In step 130, the pre-processed signals are transmitted via the first communication interface 8 of the control unit 3 to the second communication interface 9 of the server 5 by means of the wireless connection 10 between the first communication interface 8 and the second communication interface 9. Based on the transmitted pre-processed signals, in step 140, a classification for each of the occupants of the vehicle 2 is determined by the evaluation device 6 of the servers and is then stored together with a time stamp in the memory 7 of the server 5. Thereby, the classification is determined based on an analysis of the amplitude, intensity and frequency of the transmitted pre-processed signals, wherein the classification comprises a number, a type, an age and a health status of the respective occupant. At least step 140 is performed repeatedly until the crash occurs, wherein the classification determined in each case is provided with a time stamp.
In this way, information about the occupants of the vehicle 2 is already available in a pre-crash phase of an accident or crash by means of a classification of the occupants which allows a rapid and appropriate care of the occupants in the event of an accident, wherein by determining he classification at a vehicle-external server 5 based on transmitted pre-processed signals from the vehicle 2 cost and resources to the vehicle control unit 3 are saved.
In step 150, a crash of the vehicle 2 occurs, and after the end of the collision or crash, in a post-crash phase of the vehicle 2, in step 160 an emergency call is sent by the server 5 to an emergency service, wherein the location of the vehicle 2 and the determined classification of each occupant are transmitted with the emergency call and thus provided to the emergency service.
During the post-crash phase, in step 170 the sensing the signals by the microphones 4 and the transmitting of the sensed signals to the control unit 3, the pre-processing of the transmitted signals by the control unit 3, the transmitting of the pre-processed signals to the server 5 and the determining of a classification of the occupants based on the transmitted pre-processed signals are further performed, wherein these process steps are repeated during the post-crash phase. In addition, the emergency service is provided with access to the server 5 for accessing the transmitted pre-processed signals. In this way, a real-time access of the emergency service to the server 5 and thus the respective data after the crash is provided, so the emergency service is enabled to access real-time data. This further promotes a fast, comprehensive and accurate determination of the post-crash situation and the condition of the vehicle occupants and thus a quick and efficient post-crash care.
Step 170 can be carried out after step 160 is finished, but step 170 can also be carried out at least partially in parallel with step 160 or can be started while step 160 is being carried out.

Claims (12)

  1. Patent claims 1. A method (100) for determining and providing information about occupants of a vehicle (2), particularly in the event of an accident of the vehicle (2), the vehicle (2) comprising an interior sensing system for sensing an interior state and a control unit (3) connected to the interior sensor system, the method (100) comprising the steps of: - sensing (110) of signals by the interior sensing system and transmission of the sensed signals to the control unit (3), -pre-processing (120) of the transmitted signals by the control unit (3), - transmitting (130) the pre-processed signals to a server (5) external to the vehicle (2) during a pre-crash phase of the vehicle (2), and - determining (140) a classification of the occupants of the vehicle (2) based on the transmitted pre-processed signals by an evaluation device (6) of the server (5) during the pre-crash phase of the vehicle (2).
  2. 2. A method (100) according to claim 1, wherein the classification comprises a number, a type, an age and/or a health status of the occupants.
  3. 3. A method (100) according to claim 1 or 2, wherein the interior sensing system comprises a plurality of microphones (4) distributed in the interior of the vehicle (2), and wherein the signals sensed by the microphones (4) are acoustic signals.
  4. 4. A method (100) according to claim 3, wherein the classification of the occupants is determined based on an analysis of the amplitude, intensity and/or frequency of the transmitted pre-processed signals.
  5. 5. A method (100) according to one of the preceding claims, wherein during the pre-crash phase at least the step of determining (140) a classification is performed repeatedly, particularly continuously or at regular intervals, and wherein the classification determined in each case is provided with a time stamp.
  6. 6. A method (100) according to one of the preceding claims, wherein in a post-crash phase of the vehicle (2), an emergency call is sent by the server (5) to an emergency service.
  7. 7. A method (100) according to claim 6, wherein the classification of the occupants is transmitted with the emergency call.
  8. B. A method (100) according to one of the preceding claims, wherein during a post-crash phase the steps of sensing (110) the signals, pre-processing (120) of the transmitted signals, transmitting (130) the pre-processed signals and determining (140) a classification are further performed, particularly continuously or at regular intervals.
  9. 9. A method (100) according to claim 8, wherein during the post-crash phase an emergency service is provided with access to the server (5) for accessing the transmitted pre-processed signals.
  10. 10. A method (100) according to one of the preceding claims, wherein the control unit (3) comprises a first communication interface (8), and wherein the server (5) comprises a second communication interface (9), and wherein the pre-processed signals are transmitted from the first communication interface (8) to the second communication interface (9) by means of a wireless connection (10) between the first communication interface (8) and the second communication interface (9).
  11. 11. A method (100) according to claim 10, wherein the wireless connection (10) is established via a wireless local area network, preferably a WiFi network, cellular and/or a Vehicle-to-X communication link.
  12. 12. A system (1) for determining and providing information about occupants of a vehicle (2), particularly in the event of an accident of the vehicle (2), comprising a vehicle (2) with an interior sensing system for sensing an interior state and a control unit (3) connected to the interior sensing system, wherein the system (1) further comprises a server (5) external to the vehicle (2) with an evaluation device (6), and wherein the system (1) is configured to perform a method (100) according to one of the preceding claims.
GB2208765.4A 2022-06-15 2022-06-15 Method and system for determining and providing information about occupants of a vehicle Pending GB2619739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2208765.4A GB2619739A (en) 2022-06-15 2022-06-15 Method and system for determining and providing information about occupants of a vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2208765.4A GB2619739A (en) 2022-06-15 2022-06-15 Method and system for determining and providing information about occupants of a vehicle

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GB202208765D0 GB202208765D0 (en) 2022-07-27
GB2619739A true GB2619739A (en) 2023-12-20

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US20190110103A1 (en) * 2010-06-07 2019-04-11 Affectiva, Inc. Vehicle content recommendation using cognitive states
US20200134672A1 (en) * 2010-06-07 2020-04-30 Affectiva, Inc. Autonomous vehicle control using heart rate collection based on video imagery
JP2020142738A (en) * 2019-03-08 2020-09-10 株式会社Ｓｕｂａｒｕ Vehicle having occupant protection function
US20210086778A1 (en) * 2019-09-23 2021-03-25 Ola Electric Mobility Private Limited In-vehicle emergency detection and response handling

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Publication number Priority date Publication date Assignee Title
US20190110103A1 (en) * 2010-06-07 2019-04-11 Affectiva, Inc. Vehicle content recommendation using cognitive states
US20200134672A1 (en) * 2010-06-07 2020-04-30 Affectiva, Inc. Autonomous vehicle control using heart rate collection based on video imagery
US20120146766A1 (en) * 2010-12-10 2012-06-14 GM Global Technology Operations LLC Method of processing vehicle crash data
US20160303969A1 (en) * 2015-04-16 2016-10-20 Verizon Patent And Licensing Inc. Vehicle occupant emergency system
WO2017160285A1 (en) * 2016-03-16 2017-09-21 Ford Global Technologies, Llc In-vehicle occupant detection after an emergency situation utilizing wearable devices
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US20210086778A1 (en) * 2019-09-23 2021-03-25 Ola Electric Mobility Private Limited In-vehicle emergency detection and response handling

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