WO2022214301A1 - Dispositif et procédé de surveillance de l'état d'un conducteur de véhicule automobile - Google Patents

Dispositif et procédé de surveillance de l'état d'un conducteur de véhicule automobile Download PDF

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Publication number
WO2022214301A1
WO2022214301A1 PCT/EP2022/057357 EP2022057357W WO2022214301A1 WO 2022214301 A1 WO2022214301 A1 WO 2022214301A1 EP 2022057357 W EP2022057357 W EP 2022057357W WO 2022214301 A1 WO2022214301 A1 WO 2022214301A1
Authority
WO
WIPO (PCT)
Prior art keywords
gsp
health parameter
parameter
motor vehicle
data
Prior art date
Application number
PCT/EP2022/057357
Other languages
German (de)
English (en)
Inventor
Viktor Bader
Manfred Knye
Original Assignee
Volkswagen Aktiengesellschaft
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 Volkswagen Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Priority to EP22717377.0A priority Critical patent/EP4319636A1/fr
Publication of WO2022214301A1 publication Critical patent/WO2022214301A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/18—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state for vehicle drivers or machine operators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/162—Testing reaction times
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/165—Evaluating the state of mind, e.g. depression, anxiety
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0077—Devices for viewing the surface of the body, e.g. camera, magnifying lens
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02405—Determining heart rate variability
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/0816—Measuring devices for examining respiratory frequency
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1126—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb using a particular sensing technique
    • A61B5/1128—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb using a particular sensing technique using image analysis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/163—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state by tracking eye movement, gaze, or pupil change
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7246—Details of waveform analysis using correlation, e.g. template matching or determination of similarity

Definitions

  • the invention relates to a device and a method for monitoring the condition of a motor vehicle driver.
  • a seat system for a vehicle comprising a vehicle seat and a plurality of piezoelectric sensors which are individually positioned at respective locations in the vehicle seat, corresponding to anatomical positions of a person.
  • the sensors serve to generate electrical signals corresponding to mechanical stresses generated by biologically motivated force inputs from the subject.
  • the biological inputs are, for example, heart and respiratory rates to calculate bio-markers such as heart rate variability and arousal for status determination (stress, discomfort, pain, etc.).
  • DE 102006005664 A1 discloses a device for monitoring the state of health of a vehicle driver, health parameter measuring electrochemical and/or bioelectrical and/or optoelectronic electrodes being integrated into a steering wheel, the signals of which are combined to form a state of health vector when touched with the hand . This is compared with a learned vector that is within the permissible range to determine significant deviations according to statistical classification methods or test theory.
  • a method for characterizing the condition of a motor vehicle driver is known from WO 02/096694 A1, with driver monitoring being carried out.
  • physiological state variables of the motor vehicle driver are recorded as characteristic variables as key parameters.
  • the recorded data is compared with stored data and/or a direct evaluation of the recorded data is carried out and, depending on the result determined, the control units of the motor vehicle are acted upon in order to carry out suitable measures to ensure that the motor vehicle driver and/or motor vehicle are in a safe state.
  • the parameter can be the state of the heart, for example, which is determined by means of an electrocardiogram (ECG).
  • ECG electrocardiogram
  • the blood pressure can be recorded.
  • the heartbeat or pulse rate and/or the heart rate or heart movement of the driver is recorded.
  • DE 202012 001 096 U1 discloses a device for carrying out driver status analyses, consisting of a combination of contactless capacitive detection, analysis and evaluation of the parameters of heart rate variability, heart rate and pulse of a driver via time domain analysis and frequency analysis with contactless detection of the vital data.
  • the invention is based on the technical problem of creating an improved device for monitoring the condition of a motor vehicle driver and making available a suitable method.
  • the device for monitoring a condition of a motor vehicle driver based on a health parameter has at least one memory, at least one evaluation and control unit and at least one means for detecting the at least one health parameter. Furthermore, the device is designed to detect a stress situation of a motor vehicle driver, with at least data on the health parameter in stress situations of the motor vehicle driver being stored in the memory.
  • the evaluation and control unit is designed to compare the current data of the health parameter with stored data of the health parameter in a comparable stress situation when a stress situation is detected, and to issue a control command for at least one vehicle if the current data differs with regard to at least one parameter compared to the stored data - to generate control unit.
  • the activation of the at least one vehicle control device can be very diverse.
  • the vehicle dynamics can be actively intervened and the vehicle speed can be reduced, for example.
  • control devices can be activated in order to reduce the burden on the motor vehicle driver.
  • the lighting can be adjusted or the volume of an audio signal.
  • Incoming phone calls can also be suppressed.
  • visual and/or acoustic information can be transmitted to the motor vehicle driver and/or a call to a doctor or hospital can be suggested.
  • the device enters into a dialogue with the driver of the motor vehicle in order to analyze his situation and stress more precisely, this preferably taking place with a time delay so as not to generate additional stress. This dialogue is preferably recorded so that it is available for later analysis.
  • the device is designed in such a way that it detects a stress situation by comparing a current time with the data in an appointment calendar. For example, based on the current position and a target position for the appointment, it can be estimated whether the motor vehicle driver will be late, which can cause stress.
  • the device is designed in such a way that it detects a load situation using the data from an environment sensor system. For example, a traffic situation can be detected where the motor vehicle driver has to perform an unexpected steering and/or brake actuation (moment of shock). A traffic jam situation, for example, can also be detected, which also leads to stress for many motor vehicle drivers.
  • the data from an interior surveillance system can also be used to record a stress situation (e.g. facial expressions, gestures, trembling, posture).
  • a stress situation e.g. facial expressions, gestures, trembling, posture
  • the at least one health parameter is an electrical heart action (heart rate and/or heart rate variability), which is recorded using a suitable ECG sensor, for example.
  • a suitable ECG sensor for example.
  • the respiratory rate and/or the skin resistance and/or blood pressure in question can be made to the prior art.
  • the at least one parameter is a responsiveness of the health parameter and/or a maximum value and/or minimum value of the health parameter.
  • the parameter can also be a duration above or below a threshold value and/or a regenerative ability of the health parameter.
  • the ability to react is understood to mean how long it takes until there is a reaction to the stressful situation with a changed health parameter, i.e. the time after a stressful event after which a certain threshold value is exceeded for the person.
  • the duration specifies a time for how long the health parameter remains above a threshold value. In this case, this threshold can be the same threshold as for the responsiveness, but this is not mandatory.
  • the ability to regenerate is understood to mean the duration of the recovery phase, i.e. how long it takes for the health parameter to return to normal values or to fall below a specified threshold value.
  • the start time can be when the stress situation occurs or when a threshold value of the health parameter is exceeded.
  • responsiveness, duration, maximum value and regenerative capacity are very meaningful and are therefore preferably evaluated together.
  • the observation of these parameters over longer periods of time allows conclusions to be drawn about regulatory disorders or the fitness level of a person.
  • the device is designed to create a prediction model based on at least one parameter, which prediction model predicts a probable change in at least one health parameter. This can be used to better assess gradual changes and to inform the motor vehicle driver accordingly.
  • At least two parameters are evaluated, the parameters being weighted and/or scored.
  • the device is designed to record at least one parameter of at least two health parameters, with the parameters of the health parameters being weighted and/or evaluated. In a further embodiment, the device is designed in such a way that the data of the at least one health parameter is recorded continuously, periodically and/or situationally and stored in the user profile.
  • FIG. 1 shows a schematic block diagram of a device for monitoring a condition of a motor vehicle driver
  • FIG. 2 shows a greatly simplified representation of a health parameter over time.
  • a device 1 for monitoring a condition of a motor vehicle driver is shown schematically.
  • the device 1 has at least one memory 2, at least one evaluation and control unit 3 and at least one means 4 for detecting a health parameter GSP.
  • the memory 2 can be a memory 2 permanently installed in the vehicle or a mobile memory.
  • the memory 2 can also be in a cloud or on an external server.
  • the device 1 also has an environment sensor system 5 , an interior monitoring sensor system 6 and an electronic appointment calendar 7 .
  • Surroundings sensor system 5 is designed, for example, as at least one camera.
  • the interior monitoring sensor system 6 is also designed as a camera, for example.
  • the electronic appointment calendar 7 is stored, for example, in a vehicle computer or a mobile terminal.
  • the term electronic diary 7 is to be interpreted broadly and also includes data on regularly recurring journeys at specific times, such as journeys to work, school or kindergarten.
  • an occurring stress situation for the motor vehicle driver is detected or determined (e.g. moment of shock occurring due to sudden braking, delay and/or traffic jam situation).
  • the interior monitoring sensor system 6 can then be used to detect facial expressions, gestures, pupil size, movements etc.) of the motor vehicle driver are recorded and used to determine whether a stress situation is present.
  • the current data of the health parameter GSP are compared with data stored by the motor vehicle driver in comparable stress situations. If at least one parameter of the at least one health parameter GSP deviates, then at least one control command S for at least one vehicle control device 8, 9 is generated. At the same time, the current data on the health parameter GSP are stored in memory 2 and are thus available for later analysis or for future comparisons with future data on the health parameter GSP.
  • the control command S can be used to control at least one vehicle control device 8, 9 in such a way as to relieve the stress situation and/or to defuse a critical traffic situation. Alternatively or additionally, the motor vehicle driver and/or a doctor can be informed.
  • FIG. 2 shows the time course of a health parameter GSP in a greatly simplified manner.
  • a stressful situation begins, whereupon the health parameter changes from a normal value N to a maximum value MAX and then falls back to the normal value N.
  • the reaction time tp describes the time between the occurrence of the stress situation and the reaching of a threshold value SW.
  • the duration D of the stress describes the time that the health parameter GSP is above the threshold value SW.
  • the regeneration time tc describes the duration from the occurrence of the stress situation t ß until the value falls below the threshold value SW or alternatively until the normal value N is reached.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Psychiatry (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Educational Technology (AREA)
  • Child & Adolescent Psychology (AREA)
  • Developmental Disabilities (AREA)
  • Social Psychology (AREA)
  • Psychology (AREA)
  • Hospice & Palliative Care (AREA)
  • Physiology (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

L'invention concerne un dispositif (1) servant à surveiller l'état d'un conducteur de véhicule automobile en fonction d'au moins un paramètre de santé (GSP), ce dispositif (1) comprenant au moins une mémoire (2), au moins une unité d'évaluation et de commande (3) et au moins un moyen (4) destiné à détecter ledit paramètre de santé (GSP) au moins, le dispositif (1) selon l'invention étant conçu pour détecter une situation de stress pour un conducteur de véhicule automobile, au moins des données relatives au paramètre de santé (GSP) dans les situations de stress pour le conducteur de véhicule automobile étant stockées dans la mémoire (2), l'unité d'évaluation et de commande (3) étant conçue pour comparer, en cas de détection d'une situation de stress, les données courantes relatives au paramètre de santé (3) avec des données stockées relatives au paramètre de santé (3) dans une situation de stress comparable, et pour générer, lorsque les données courantes relatives à au moins un paramètre s'écartent des données stockées, une commande (S) pour au moins un appareil de commande de véhicule (8, 9). L'invention concerne également un procédé associé.
PCT/EP2022/057357 2021-04-06 2022-03-21 Dispositif et procédé de surveillance de l'état d'un conducteur de véhicule automobile WO2022214301A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22717377.0A EP4319636A1 (fr) 2021-04-06 2022-03-21 Dispositif et procédé de surveillance de l'état d'un conducteur de véhicule automobile

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021203377.6A DE102021203377A1 (de) 2021-04-06 2021-04-06 Vorrichtung und Verfahren zur Überwachung eines Zustandes eines Kraftfahrzeugführers
DE102021203377.6 2021-04-06

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WO2022214301A1 true WO2022214301A1 (fr) 2022-10-13

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EP (1) EP4319636A1 (fr)
DE (1) DE102021203377A1 (fr)
WO (1) WO2022214301A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002096694A1 (fr) 2001-05-30 2002-12-05 Robert Bosch Gmbh Procede et dispositif servant a caracteriser l'etat du conducteur d'un vehicule automobile
DE102006005664A1 (de) 2006-02-06 2007-08-09 Ahlers, Horst, Dr. Überwachung des Gesundheitszustandes eines Fahrzeugführers
DE202012001096U1 (de) 2012-02-03 2012-03-08 automation & software Günther Tausch GmbH Vorrichtung zur Durchführung von Fahrerzustandsanalysen
DE102011109564A1 (de) * 2011-08-05 2013-02-07 Daimler Ag Verfahren und Vorrichtung zur Überwachung zumindest eines Fahrzeuginsassen und Verfahren zum Betrieb zumindest einer Assistenzvorrichtung
DE102016005066A1 (de) * 2016-04-28 2016-09-29 Daimler Ag Verfahren zum Ermitteln und zum Ausgeben von einen physiologischen Zustand eines Fahrzeuginsassen betreffenden informationen in einem Fahrzeug
WO2016162237A1 (fr) * 2015-04-09 2016-10-13 Bayerische Motoren Werke Aktiengesellschaft Commande pour appareil électronique multifonction
US9988055B1 (en) 2015-09-02 2018-06-05 State Farm Mutual Automobile Insurance Company Vehicle occupant monitoring using infrared imaging
DE102018202088A1 (de) 2017-05-19 2018-11-22 Lear Corporation Fahrzeug-Sitz-System mit Sitz-Nutzer-Vital-Zeichen-Überwachung

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002096694A1 (fr) 2001-05-30 2002-12-05 Robert Bosch Gmbh Procede et dispositif servant a caracteriser l'etat du conducteur d'un vehicule automobile
DE102006005664A1 (de) 2006-02-06 2007-08-09 Ahlers, Horst, Dr. Überwachung des Gesundheitszustandes eines Fahrzeugführers
DE102011109564A1 (de) * 2011-08-05 2013-02-07 Daimler Ag Verfahren und Vorrichtung zur Überwachung zumindest eines Fahrzeuginsassen und Verfahren zum Betrieb zumindest einer Assistenzvorrichtung
DE202012001096U1 (de) 2012-02-03 2012-03-08 automation & software Günther Tausch GmbH Vorrichtung zur Durchführung von Fahrerzustandsanalysen
WO2016162237A1 (fr) * 2015-04-09 2016-10-13 Bayerische Motoren Werke Aktiengesellschaft Commande pour appareil électronique multifonction
US9988055B1 (en) 2015-09-02 2018-06-05 State Farm Mutual Automobile Insurance Company Vehicle occupant monitoring using infrared imaging
DE102016005066A1 (de) * 2016-04-28 2016-09-29 Daimler Ag Verfahren zum Ermitteln und zum Ausgeben von einen physiologischen Zustand eines Fahrzeuginsassen betreffenden informationen in einem Fahrzeug
DE102018202088A1 (de) 2017-05-19 2018-11-22 Lear Corporation Fahrzeug-Sitz-System mit Sitz-Nutzer-Vital-Zeichen-Überwachung

Also Published As

Publication number Publication date
DE102021203377A1 (de) 2022-10-06
EP4319636A1 (fr) 2024-02-14

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