WO2019160168A1 - 차량에 구비되는 차량용 생체 신호 체크 시스템 및 그 동작 방법 - Google Patents
차량에 구비되는 차량용 생체 신호 체크 시스템 및 그 동작 방법 Download PDFInfo
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- WO2019160168A1 WO2019160168A1 PCT/KR2018/001874 KR2018001874W WO2019160168A1 WO 2019160168 A1 WO2019160168 A1 WO 2019160168A1 KR 2018001874 W KR2018001874 W KR 2018001874W WO 2019160168 A1 WO2019160168 A1 WO 2019160168A1
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- WIPO (PCT)
- Prior art keywords
- driver
- vehicle
- heart rate
- rate check
- state
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- 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
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- 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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
Definitions
- the following description relates to a biosignal check system for a vehicle and a method of operating the vehicle, and more particularly, to a system for checking a heartbeat signal and a respiratory signal that are adaptively operated by recognizing a driver located in a vehicle.
- Technology relates to a biosignal check system for a vehicle and a method of operating the vehicle, and more particularly, to a system for checking a heartbeat signal and a respiratory signal that are adaptively operated by recognizing a driver located in a vehicle.
- the heart rate measuring device is formed to be portable to be attached near the user's heart, and measures the heart rate of the user by using a PPG (Photoplethysmography) signal, a pressure sensor, or ECG (Electrocardiography).
- PPG Photoplethysmography
- ECG Electrocardiography
- Such a heart rate measuring device is essential in the daily life of the user when the user has a heart-related disease.
- a heart rate measuring device when a user drives a vehicle, a heart rate measuring device must be used essentially for the safety of the driver as well as for the safety of the passenger or the driver of another vehicle.
- the heart rate measuring device tends to be used only in limited places such as at home.
- the vehicle's biosignal check system can also be used in smart driver management technology for safe driving, as it can determine the driver's current health as well as whether the driver is drowsy. The need for it is urgent.
- One embodiment proposes a biosignal check system for a vehicle provided in a vehicle to check a driver's biosignal.
- one embodiment proposes a biosignal check system that adaptively performs an operation of checking a driver's heartbeat signal and a breathing signal according to a recognition result by recognizing a driver located in a vehicle.
- one embodiment proposes a biosignal check system for recognizing a driver located in a vehicle in a low cost, high efficiency manner.
- one embodiment proposes a biosignal check system that adaptively performs an operation of checking a biosignal of a driver according to a risk by identifying a risk of a driver of a vehicle.
- an embodiment of the present invention provides a biosignal check system for improving the accuracy of a biosignal checked for a driver by using a technique of diversity or selection based on a method using ECG in checking a biosignal of a driver. Suggest.
- an embodiment uses an acceleration sensor that detects vibration of each of the vehicle and the driver, or a gyro sensor that detects at least one of the driver's posture or the orientation of the vehicle, thereby improving the accuracy of the biosignal checked for the driver.
- a biosignal check system proposes a biosignal check system.
- an embodiment of the present invention provides a biosignal check that prevents / minimizes the influence of a user other than the driver on a magnetic field, an electric field, an electromagnetic field, or an induction magnetic field, an induction electric field, or an induction electromagnetic field generated during the check of the driver's biosignal. Suggest a system.
- a vehicle heart rate check system provided in a vehicle, the driver recognition module for recognizing a driver located in the vehicle; And a heart rate check module for automatically switching between an on state or an off state according to the driver recognition result and checking the driver's heartbeat when the driver is set to the on state.
- the driver recognition module the driver is in the vehicle, the driver is located inside the vehicle, the vehicle is turned on by the driver or the vehicle is driven by the driver
- the driver may be recognized by determining whether the driver is in the state.
- the heart rate check module may be set to the on state when the driver is recognized and maintain the off state when the driver is not recognized.
- the heartbeat check module may repeatedly check the heartbeat of the driver according to a preset period.
- the heart rate check module may adaptively adjust the period based on at least one of a driving pattern, a driving geography, or a traveling time of the vehicle.
- the driver recognition module may identify the driver's risk based on at least one sensor provided in the vehicle, and the heartbeat check module may adaptively adjust the period according to the risk. have.
- the driver recognition module based on at least one sensor provided in the vehicle identifies the risk of the driver, the heart rate check module, between the on state or the off state according to the risk Can be switched automatically from.
- the heart rate check module generates a magnetic field, an electric field or an electromagnetic field toward the body of the driver through at least one antenna, and is generated in the body of the driver by the magnetic field, the electric field or the electromagnetic field
- the driver's heartbeat may be checked based on the induction magnetic field, the induction electric field or the induction electromagnetic field.
- the heart rate check module may include a plurality of the at least one antenna, diversity reception or selection reception of the induction magnetic field, the induction electric field or the induction electromagnetic field.
- the heart rate check module from the gyro sensor for detecting at least one of the vibration value received from the acceleration sensor for detecting the vibration of each of the vehicle and the driver or the attitude of the driver or the orientation of the vehicle.
- the heart rate checked for the driver may be corrected using at least one of the received posture / orientation values.
- the heart rate check module may correct the heart rate checked for the driver by using a voice signal value received from a microphone for acquiring the driver's voice signal.
- the heart rate check system a shield for preventing the influence of a user other than the driver on the magnetic field, electric field, electromagnetic field or receiving induction magnetic field, induction electric field or induction electromagnetic field generated by the heart rate check module. It may further include.
- a method of operating a vehicle heart rate check system provided in a vehicle may include: recognizing a driver located in the vehicle in a driver recognition module included in the vehicle heart rate check system; According to the driver recognition result, automatically switching between an on state or an off state of the heart rate check module included in the vehicle heart rate check system; And checking the heartbeat of the driver in the heartbeat check module set to the on state.
- the checking of the driver's heartbeat, at least one of the vibration value received from the acceleration sensor for detecting the vibration of each of the vehicle and the driver or the driver's attitude or orientation of the vehicle may further include correcting a heart rate checked for the driver using at least one of posture / orientation values received from a gyro sensor.
- the step of checking the driver's heart rate, using the shielding film included in the vehicle heart rate check system, the magnetic field, electric field, electromagnetic field or induction magnetic field generated by the heart rate check module, induction electric field may further include preventing the influence of the user other than the driver on the induced electromagnetic field.
- a vehicle biosignal check system provided in a vehicle may include: a driver recognition module configured to recognize a driver located in the vehicle; And a biosignal check module for automatically switching between an on state or an off state according to the driver recognition result, and checking the biosignal of the driver when the driver is set to the on state.
- One embodiment may propose a vehicle biosignal check system provided in a vehicle to check a driver's biosignal.
- embodiments may propose a biosignal check system that adaptively performs an operation of checking a driver's heartbeat signal and a breathing signal according to a recognition result by recognizing a driver located in a vehicle.
- one embodiment may propose a biosignal check system for recognizing a driver located in a vehicle in a low cost and high efficiency manner.
- one embodiment may propose a biosignal check system that adaptively performs an operation of checking a biosignal of a driver according to a risk by identifying a risk of a driver of a vehicle.
- an embodiment of the present invention provides a biosignal check system for improving the accuracy of a biosignal checked for a driver by using a technique of diversity or selection based on a method using ECG in checking a biosignal of a driver. I can suggest.
- an embodiment uses an acceleration sensor that detects vibration of each of the vehicle and the driver, or a gyro sensor that detects at least one of the driver's posture or the orientation of the vehicle, thereby improving the accuracy of the biosignal checked for the driver.
- a biosignal check system can be proposed.
- an embodiment of the present invention provides a biosignal check that prevents / minimizes the influence of a user other than the driver on a magnetic field, an electric field, an electromagnetic field, or an induction magnetic field, an induction electric field, or an induction electromagnetic field generated during the check of the driver's biosignal.
- a system can be proposed.
- FIG. 1 is a view for explaining the general operation of the heart rate check system according to an embodiment.
- FIG. 2 is a block diagram illustrating a configuration of a heart rate check system according to an exemplary embodiment.
- FIG. 3 is a diagram for describing an operation of adaptively checking a driver's heartbeat based on a driver's risk, according to an exemplary embodiment.
- FIG. 4 is a diagram for describing a shielding film included in a heart rate check system, according to an exemplary embodiment.
- FIG. 5 is a flowchart illustrating a method of operating a heart rate check system, according to an exemplary embodiment.
- FIG. 1 is a view for explaining the general operation of the heart rate check system according to an embodiment.
- the heart rate check system 110 may be manufactured for a vehicle provided in the vehicle 120. Accordingly, the heartbeat check system 110 may transmit and receive data through a vehicle control smart system (not shown) provided in the vehicle 120 and a network (not shown).
- a vehicle control smart system not shown
- a network not shown
- the vehicle control smart system is an electronic device including an electronic control module, a navigation device, an image monitoring module, or various sensors related to driving of the vehicle 120, and provides a driver with a smart car service based on the vehicle 120. It may mean a core or an auxiliary electronic device.
- the vehicle control smart system may be implemented as hardware including a processor in which an application for a smart car service is installed and an input / output device for inputting / outputting data for the smart car service, but is not limited thereto.
- the element may be implemented in the form of a server platform that provides the server's smart car service, providing the driver with the smart car service through the remaining components.
- the vehicle control smart system is implemented in the form of a platform of the server, it may mean that is implemented in the form of an application installed in the processor of the server.
- the network may be a medium used to provide wired / wireless communication links between data processing systems, computers, servers, and various devices.
- the network represents a world wide collection of networks and gateways where the heart rate check system 110 and the vehicle control smart system use a transmission control protocol internet protocol (TCP / IP) suite of protocols to communicate with each other.
- TCP / IP transmission control protocol internet protocol
- the network may include or be an intranet, a local area network (LAN), or a wide area network (WAN).
- the network may be part of the Internet.
- the communication method between the heartbeat check system 110 and the vehicle control smart system is not limited, and may include not only a communication method using a communication network that the network may include, but also a short range wireless communication between devices.
- the network may include a personal area network (PAN), a local area network (LAN), a campus area network (CAN), a metropolitan area network (MAN), a wide area network (WAN), a broadband network (BBN), and the Internet. It may include any one or more of the networks.
- the network may also include any one or more of network topologies including, but not limited to, bus networks, star networks, ring networks, mesh networks, star-bus networks, trees, or hierarchical networks. .
- the heartbeat check system 110 is a biosignal check system for checking a driver's biosignal (heartbeat signal and breathing signal).
- the heartbeat check system 110 will be described as a system for checking a driver's heartbeat, but is not limited thereto. You can also perform a function to check.
- the heartbeat check system 110 recognizes the driver and adaptively checks the driver's heartbeat in response to the driver. The checking operation can be performed.
- the heartbeat check system 110 may be implemented as an electronic device for checking a driver's heartbeat as a subject performing a driver's heartbeat check operation.
- the heart rate check system 110 may be disposed on the driver's seat or the driver's seat belt in the interior space of the vehicle 120.
- the present invention is not limited thereto, and only some components of the heartbeat check system 110 may be disposed on the driver's seat or seat belt, and the remaining components may be disposed at various other positions in the interior space of the vehicle 120. .
- the heartbeat check system 110 will be described as being composed of a driver recognition module and a heartbeat check module, but this is only divided for convenience of description based on the core functions of the heartbeat check system 110, but is limited or limited thereto. Instead, they may be implemented to include various components that perform key functions.
- the heart rate check system 110 recognizes a driver located in the vehicle 120 and automatically switches between an on state or an off state according to a driver recognition result, thereby checking the driver's heart rate.
- the operation can be adaptively performed.
- the heartbeat check system 110 may freely use a vehicle control smart system connected through a network in the process of recognizing the driver or in the process of checking the driver's heartbeat.
- the heart rate check system 110 as described above will be described in more detail below.
- FIG. 2 is a block diagram illustrating a configuration of a heart rate check system according to an exemplary embodiment.
- the heartbeat check system 200 includes a driver recognition module 210 and a heartbeat check module 220.
- the driver recognition module 210 recognizes a driver located in the vehicle.
- recognizing a driver located in a vehicle means confirming that the driver is located inside or outside the vehicle.
- the driver recognition result of the driver recognition module 210 may be divided into two cases where the driver is recognized (the driver is located inside / outside the vehicle) and when the driver is not recognized (the driver is not located inside / outside the vehicle). This can be done in one case.
- the driver recognition module 210 may periodically recognize the inside of the vehicle (for example, the driver's seat) based on a camera or an infrared sensor to determine whether the driver is located in the inside of the vehicle and recognize the driver. have.
- the camera or the infrared sensor may be included in the heartbeat check system 200, but is not limited thereto or may be included in the vehicle control smart system described above with reference to FIG. 1.
- the driver recognition module 210 may achieve low cost and high efficiency by changing a method of recognizing a driver located in a vehicle. For example, the driver recognition module 210 determines whether the driver is seated in the driver's seat of the vehicle (whether the driver is in the vehicle) based on a weight sensor disposed in the interior seat (eg, the driver's seat) of the vehicle, The driver can be recognized.
- the weight sensor may be included in the heartbeat check system 200, but is not limited thereto.
- the weight sensor may be included in the vehicle control smart system described above with reference to FIG. 1.
- the driver recognition module 210 may determine whether the driver is in the vehicle based on a proximity sensor that senses that the vehicle key (or card) possessed by the driver is close to the vehicle, and recognizes the driver. It may be.
- the driver recognition module 210 may determine whether the vehicle is in an on state (eg, whether the vehicle is started or whether the vehicle power system starts driving) by the driver to recognize the driver. It may be. In this case, the driver recognition module 210 may determine whether the vehicle is in an on state by interworking with a module or a power supply system related to starting of the vehicle among the vehicle control smart systems described above with reference to FIG. 1.
- the driver recognition module 210 may recognize the driver by determining whether the vehicle is in a driving state in association with an electronic control module related to driving among the vehicle control smart systems described above with reference to FIG. 1. have.
- the driver recognition module 210 may recognize the driver located in the vehicle in a low-cost, high-efficiency manner, thereby setting the heartbeat check module 220 to be described later in either an on state or an off state.
- the driver recognition module 210 not only recognizes the driver located in the vehicle, but also includes at least one sensor included in the vehicle (where at least one sensor is included in the heartbeat check system 200 or the heartbeat check The vehicle may be provided separately from the system 200) to identify the driver's risk.
- the driver's risk refers to an indicator indicating a degree of danger to the driver's drowsiness or an indicator indicating a degree of danger to the driver's health condition.
- the driver recognition module 210 may identify the driver's risk only when it recognizes that the driver is located in the vehicle.
- the driver recognition module 210 may be a biometric sensor (hereinafter, referred to as a biometric sensor) provided in the vehicle, and other biosignals distinguished from the heart rate measured by the heartbeat check module 220-for example, the body temperature of the driver and blinking of the eyes. Frequency, etc.) to identify drivers' health risks.
- a biometric sensor hereinafter, referred to as a biometric sensor
- the driver recognition module 210 may identify the driver's drowsiness risk by checking whether the driver is talking through a microphone sensor provided in the vehicle.
- identifying the driver's risk in the driver recognition module 210 may be repeatedly performed according to a preset period, and in two cases, the result of which the driver's risk is identified is above or below the reference value. Can be derived.
- the driver's risk is compared with one reference value to explain that the identification result is derived in two cases, but the present invention is not limited thereto.
- the driver's risk is compared with a plurality of reference values, whereby the degree of identification is dangerous. It can be derived in a plurality of steps that are represented.
- the driver recognition module 210 not only sets the heart rate check module 220 to one of the on state or the off state according to the result of recognizing the driver located in the vehicle, but also determines the driver's risk.
- the heart rate check module 220 may be set to either an on state or an off state based on the condition.
- the heart rate check module 220 is automatically switched between the on state or the off state according to a result of the driver recognition module 210 recognizing the driver. That is, the heartbeat check module 220 is normally set to the off state, and is set to the ON state only when the driver is recognized by the driver recognition module 210, and the driver is not recognized by the driver recognition module 210. In this case, the off state can be maintained.
- the heartbeat check module 220 when the heartbeat check module 220 is set to the off state, it means that the heartbeat check module 220 is set to the on state without performing the operation of checking the driver's heartbeat. It means to be activated to perform the operation to check the heart rate.
- the heartbeat check module 220 set to the on state may repeatedly check the driver's heartbeat according to a preset period.
- the heartbeat check module 220 may preset a period for checking the heartbeat according to the information on the state of health of the user input from the driver, and then check the driver's heartbeat according to the preset period.
- the driver recognition module 210 may identify who the driver is in the process of recognizing that the driver is located in the vehicle so that the heartbeat check module 220 may call the driver's heart rate check cycle.
- the period refers to a time interval during which the operation of checking the driver's heartbeat is repeatedly performed, but is not limited thereto. When the interval is set to a value of 0, the period is interrupted without performing the operation of checking the driver's heartbeat. You can keep the state.
- the period may have a value that is set to always perform the operation of checking the driver's heartbeat.
- the heartbeat check module 220 may adaptively adjust a period for checking the heartbeat of the driver based on at least one of a driving pattern, a driving geography, or a driving time of the vehicle. For example, as a result of considering the driving pattern of the vehicle, when the degree of causing drowsiness of the driver is greater than the reference value, the heartbeat check module 220 may adjust the period of checking the driver's heartbeat shorter than the reference period.
- the heartbeat check module 220 may adaptively adjust a period for checking the heartbeat of the driver based on the driver's risk identified by the driver recognition module 210. At this time, the heart rate check module 220 may further be automatically switched between the on state or the off state according to the driver risk level identified by the driver recognition module 210. Detailed description thereof will be described with reference to FIG. 3.
- the heartbeat check module 220 automatically switches between the on state or the off state according to a result of the driver recognition module 210 (or a result of identifying the driver's risk), and checks the heartbeat of the driver. By adaptively performing the operation, it is possible to prevent the driver from manually operating the heart rate check system and unnecessary waste of power.
- the heartbeat check module 220 may include at least one antenna (not shown) to check the driver's heartbeat based on the method using the ECG.
- the present invention is not limited thereto, and the heart rate check module 220 may employ a method using a PPG signal, a method using a pressure sensor, capacitive sensing, or a method using a bio radar. Therefore, the heartbeat check module 220 may have various structures depending on the method of borrowing.
- the heart rate check module 220 generates a magnetic field, an electric field or an electromagnetic field toward the driver's body (especially the heart) via at least one antenna and induces the magnetic field, the electric field or the electromagnetic field generated in the driver's body.
- a magnetic field, an induction field or an induction field the driver's heart rate can be checked based on the induction field, induction field or induction field.
- the heart rate check module 220 includes an RLC circuit including at least one coil antenna, thereby generating a magnetic field toward the body of the driver (especially the heart) through the at least one coil antenna, After generating an induction magnetic field by the eddy current flowing in the driver's heart by receiving the induction magnetic field through at least one coil antenna, it is possible to check the heart rate of the driver based on the inductance of the induction magnetic field.
- the magnetic field generation and the induced magnetic field receiving process of the RLF circuit is beyond the technical spirit of the present invention will be omitted.
- the heart rate check module 220 may be disposed in the driver's seat or the driver's seat belt in the interior space of the vehicle.
- the at least one antenna included in the heart rate check module 220 may generate a magnetic field, an electric field or an electromagnetic field toward the driver's heart, and may be seated in the driver's seat to receive an induction magnetic field, an induction field or an electromagnetic field.
- the heart When the heart is located or when the driver wears the driver's seat belt, it may be placed where the driver's heart is located.
- the heart rate check module 220 includes a plurality of at least one antenna, thereby accurately checking the driver's heart rate using a diversity or selection technique.
- the heartbeat check module 220 may remove fading effects and noise in measuring the heartbeat by diversity reception or selection reception of an induction magnetic field, an induction electric field, or an induction electromagnetic field based on the plurality of antennas.
- the heart rate check module 220 is a posture received from the gyro sensor for detecting at least one of the vibration value received from the acceleration sensor for detecting the vibration of each of the vehicle and the driver or the driver's posture or orientation (rotation) of the vehicle. By correcting the checked heart rate for the driver using at least one of the / orientation values, the accuracy of the checked heart rate can be improved.
- the heart rate check module 220 receives the vibration value of the vehicle and the body vibration value of the driver generated by the vehicle, which are sensed from the heart rate check system 200 or the acceleration sensor provided in the vehicle, and then, the noise ( For example, by removing the noise due to the difference between the vibration value of the vehicle and the body vibration value of the driver from the driver's heartbeat, the accuracy of the heartbeat can be improved.
- the heart rate check module 220 may detect a difference between an orientation value indicating a degree of rotation of the vehicle and a noise (eg, a driver's body posture value generated by the vehicle) sensed from a gyro sensor provided in the vehicle. Noise caused by the driver) can be removed from the driver's heart rate, thereby improving the accuracy of the heart rate.
- the heart rate check module 220 may improve the accuracy of the checked heart rate by correcting the heart rate checked for the driver by using the sound signal value received from the microphone for acquiring the driver's voice signal. For example, when the driver speaks, the driver's voice signal may act as a noise in the process of checking the heartbeat. Thus, the heartbeat check module 220 may improve the accuracy of the heartbeat by removing the voice signal received from the microphone in the checked heartbeat.
- the heartbeat check system 200 may further include a shielding film.
- the shielding layer prevents / minimizes the influence of a user other than the driver on a magnetic field, an electric field, an electromagnetic field, or an induced magnetic field, an induced electric field, or an induced electromagnetic field generated by the heartbeat check module 220 to check the driver's heartbeat.
- a shielding film prevents / minimizes the influence of a user other than the driver on a magnetic field, an electric field, an electromagnetic field, or an induced magnetic field, an induced electric field, or an induced electromagnetic field generated by the heartbeat check module 220 to check the driver's heartbeat.
- the heartbeat check system 200 includes the driver recognition module 210 and the heartbeat check module 220, but is not limited thereto and may include fewer or more components. .
- the heart rate check system 200 has been described as a case where the driver checks the heartbeat signal, but the heartbeat check system 200 may adaptively check the driver's breathing signal in the same manner.
- the heart rate check module 220 in response to the driver recognition module 210 recognizing the driver located in the vehicle, the heart rate check module 220 is automatically switched between the on state or the off state, and when set to the on state, the driver's breathing You can check
- the heartbeat check system 200 described above may be formed as a biosignal check system and includes a driver recognition module 210 and a biosignal check module that checks a biosignal (a breathing signal and a heartbeat signal).
- FIG. 3 is a diagram for describing an operation of adaptively checking a driver's heartbeat based on a driver's risk, according to an exemplary embodiment.
- the heart rate check system 310 switches the heart rate check module in an off state and an on state based on a driver's risk identified by the driver recognition module, and adaptively changes the heart rate of the driver. You can check.
- the driver recognition module recognizes that the driver is located in the vehicle and identifies the drowsiness risk of the driver through the camera 330 provided in the vehicle 320, the drowsiness risk of the driver is less than or equal to the reference value.
- the heart rate check module may remain inactive off. Accordingly, the driver recognition module periodically identifies the drowsiness risk of the driver through the camera 330, and when the drowsiness risk of the driver exceeds a reference value at a particular moment, the heartbeat check module is turned on at the moment, and The operation of checking the heart rate may be performed.
- the heart rate check system 310 may turn the heart rate check module on even when the driver's risk cannot be identified. For example, after the driver recognition module recognizes that the driver is located in the vehicle, in the process of identifying a driver's drowsiness risk through the camera 330 provided in the vehicle 320, the driver may recognize the driver's drowsiness by using the driver's hair or glasses. If the eye is blocked (or the camera does not operate properly), the heart rate check module is automatically turned on, and may perform an operation of checking the driver's heart rate.
- the heartbeat check system 310 may adaptively adjust a period in which the heartbeat check module checks the driver's heartbeat based on the driver's risk identified by the driver recognition module.
- the heartbeat The check module may adjust a period for checking the driver's heartbeat longer than the reference period.
- the heartbeat check system 310 may improve the efficiency of the heartbeat check operation by adaptively checking the driver's heartbeat according to the driver's recognition result as well as the driver's risk identification result.
- FIG. 4 is a diagram for describing a shielding film included in a heart rate check system, according to an exemplary embodiment.
- the heart rate check system may include a shielding film 410.
- the shielding film 410 is a magnetic field, electric field, electromagnetic field generated by the heart rate check module 420 in the process of checking the driver's heart rate or other users (passengers) other than the driver to the induced magnetic field, induction electric field, induced electromagnetic field
- the heartbeat check module 420 (in particular, at least one antenna included in the heartbeat check module 420) is to be adaptively disposed inside the vehicle 430 according to the position where the heartbeat check module 420 is disposed. Can be.
- the shielding film 410 is a magnetic field, an electric field, or an electromagnetic field used in the process of checking a driver's heartbeat by a passenger sitting in the rear seat of the driver's seat.
- it may be disposed inside the driver's seat (a position that isolates the heartbeat check module 420 from the passenger sitting on the rear seat) so as not to affect the induced magnetic field, the induced electric field, or the induced electromagnetic field.
- the shielding layer 410 may be configured to isolate a magnetic field, an electric field, an electromagnetic field, or an induced magnetic field, an induction electric field, and an electromagnetic field from other passengers used in the process of checking a driver's heartbeat. It can be placed in various locations.
- FIG. 5 is a flowchart illustrating a method of operating a heart rate check system, according to an exemplary embodiment.
- the driver recognition module included in the heartbeat check system recognizes a driver located in a vehicle (510).
- the driver recognition module determines whether at least one of the driver is in the vehicle, the driver is located inside the vehicle, the vehicle is in the on state by the driver, or the vehicle is in the driving state by the driver.
- the driver can be recognized.
- the heart rate check module included in the heart rate check system is automatically switched between an on state or an off state according to the driver recognition result (520).
- the heart rate check module may be set to an on state in step 520 (521).
- the heart rate check module may remain in the off state in operation 520 (522) (the heart rate check module is normally set to the off state).
- the heartbeat check module set to the on state checks the driver's heartbeat (530).
- the heartbeat check module may check the driver's heartbeat repeatedly according to a preset period.
- the heart rate check module may adaptively adjust the period based on at least one of the driving pattern, the driving geography, or the driving time of the vehicle.
- the heart rate check module allows the driver recognition module to identify the driver's risk based on at least one sensor provided in the vehicle, thereby adaptively adjusting the period according to the risk.
- the heartbeat check module generates a magnetic field, an electric field, or an electromagnetic field toward the driver's body through at least one antenna, and generates an induced magnetic field, an induced electric field, or an induction generated in the driver's body by the magnetic field, the electric field, or the electromagnetic field. It receives the electromagnetic field and checks the driver's heartbeat based on the induced magnetic field, the induced electric field or the induced electromagnetic field.
- the heart rate check module may include a plurality of at least one antenna, thereby diversity reception or selection reception of an induction magnetic field, an induction electric field, or an induction electromagnetic field.
- the heart rate check module may generate a vibration value received from an acceleration sensor detecting vibration of each of the vehicle and the driver, or a posture / orientation value received from the gyro sensor that detects at least one of the driver's posture and the orientation of the vehicle. At least one of may be used to correct the checked heart rate for the driver.
- the heart rate check module uses a shielding film included in the vehicle heart rate check system, thereby allowing a user other than the driver to generate a magnetic field, an electric field, an electromagnetic field, or an induced magnetic field, an induced electric field, or an induced electromagnetic field generated by the heart rate check module. It can prevent the effect.
- the driver recognition module identifies the driver's risk based on at least one sensor provided in the vehicle, and thus, in step 520, the heartbeat check module may be switched between on and off depending on the risk. It may be switched automatically.
- the apparatus described above may be implemented as a hardware component, a software component, and / or a combination of hardware components and software components.
- the devices and components described in the embodiments are, for example, processors, controllers, arithmetic logic units (ALUs), digital signal processors, microcomputers, field programmable gate arrays (FPGAs).
- ALUs arithmetic logic units
- FPGAs field programmable gate arrays
- PLU programmable logic unit
- the processing device may execute an operating system (OS) and one or more software applications running on the operating system.
- the processing device may also access, store, manipulate, process, and generate data in response to the execution of the software.
- processing device includes a plurality of processing elements and / or a plurality of types of processing elements. It can be seen that it may include.
- the processing device may include a plurality of processors or one processor and one controller.
- other processing configurations are possible, such as parallel processors.
- the software may include a computer program, code, instructions, or a combination of one or more of the above, and configure the processing device to operate as desired, or process it independently or collectively. You can command the device.
- Software and / or data may be any type of machine, component, physical device, virtual equipment, computer storage medium or device in order to be interpreted by or to provide instructions or data to the processing device. It can be embodied in.
- the software may be distributed over networked computer systems so that they may be stored or executed in a distributed manner.
- Software and data may be stored on one or more computer readable recording media.
- the method according to the embodiment may be embodied in the form of program instructions that can be executed by various computer means and recorded in a computer readable medium.
- the computer readable medium may include program instructions, data files, data structures, etc. alone or in combination.
- the program instructions recorded on the media may be those specially designed and constructed for the purposes of the embodiments, or they may be of the kind well-known and available to those having skill in the computer software arts.
- Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks.
- Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.
- the hardware device described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.
Abstract
Description
Claims (17)
- 차량에 구비되는 차량용 심박 체크 시스템에 있어서,상기 차량에 위치하는 운전자를 인식하는 운전자 인식 모듈; 및상기 운전자 인식 결과에 따라 온(On) 상태 또는 오프(Off) 상태 사이에서 자동으로 전환되며, 상기 온 상태로 설정되는 경우, 상기 운전자의 심박을 체크하는 심박 체크 모듈을 포함하는 심박 체크 시스템.
- 제1항에 있어서,상기 운전자 인식 모듈은,상기 운전자가 상기 차량에 탑승하는지, 상기 운전자가 상기 차량의 내부에 위치하는지, 상기 운전자에 의해 상기 차량이 온 상태에 있는지 또는 상기 운전자에 의해 상기 차량이 주행 상태에 있는지 중 적어도 하나의 여부를 판단하여 상기 운전자를 인식하는, 심박 체크 시스템.
- 제1항에 있어서,상기 심박 체크 모듈은,상기 운전자가 인식되는 경우 상기 온 상태로 설정되고, 상기 운전자가 인식되지 않는 경우 상기 오프 상태를 유지하는, 심박 체크 시스템.
- 제1항에 있어서,상기 심박 체크 모듈은,미리 설정된 주기에 따라 반복적으로 상기 운전자의 심박을 체크하는, 심박 체크 시스템.
- 제4항에 있어서,상기 심박 체크 모듈은,상기 차량의 주행 패턴, 주행 지리 또는 주행 시간 중 적어도 하나에 기초하여 상기 주기를 적응적으로 조절하는, 심박 체크 시스템.
- 제4항에 있어서,상기 운전자 인식 모듈은,상기 차량에 구비된 적어도 하나의 센서에 기초하여 상기 운전자의 위험도를 식별하고,상기 심박 체크 모듈은,상기 위험도에 따라 상기 주기를 적응적으로 조절하는, 심박 체크 시스템.
- 제1항에 있어서,상기 운전자 인식 모듈은,상기 차량에 구비된 적어도 하나의 센서에 기초하여 상기 운전자의 위험도를 식별하고,상기 심박 체크 모듈은,상기 위험도에 따라 상기 온 상태 또는 상기 오프 상태 사이에서 자동으로 전환되는, 심박 체크 시스템.
- 제1항에 있어서,상기 심박 체크 모듈은,적어도 하나의 안테나를 통하여 상기 운전자의 신체를 향해 자기장, 전기장 또는 전자기장을 발생시키고, 상기 자기장, 상기 전기장 또는 상기 전자기장에 의해 상기 운전자의 신체에서 발생되는 유도 자기장, 유도 전기장 또는 유도 전자기장을 수신하여, 상기 유도 자기장, 상기 유도 전기장 또는 상기 유도 전자기장을 기초로 상기 운전자의 심박을 체크하는, 심박 체크 시스템.
- 제8항에 있어서,상기 심박 체크 모듈은,상기 적어도 하나의 안테나를 복수 개 포함하여, 상기 유도 자기장, 상기 유도 전기장 또는 상기 유도 전자기장을 다이버시티 수신하거나, 셀렉션 수신하는, 심박 체크 시스템.
- 제1항에 있어서,상기 심박 체크 모듈은,상기 차량 및 상기 운전자 각각의 진동을 감지하는 가속도 센서로부터 수신되는 진동 값 또는 상기 운전자의 자세 또는 상기 차량의 오리엔테이션 중 적어도 어느 하나를 감지하는 자이로 센서로부터 수신되는 자세/오리엔테이션 값 중 적어도 하나를 이용하여, 상기 운전자에 대해 체크된 심박을 보정하는, 심박 체크 시스템.
- 제1항에 있어서,상기 심박 체크 모듈은,상기 운전자의 음성 신호를 취득하는 마이크로폰으로부터 수신되는 음성 신호 값을 이용하여, 상기 운전자에 대해 체크된 심박을 보정하는, 심박 체크 시스템.
- 제1항에 있어서,상기 심박 체크 모듈에서 발생시키는 자기장, 전기장, 전자기장 또는 수신하는 유도 자기장, 유도 전기장 또는 유도 전자기장에 상기 운전자 이외의 다른 사용자가 미치는 영향을 방지하기 위한 차폐막을 더 포함하는 심박 체크 시스템.
- 차량에 구비되는 차량용 심박 체크 시스템의 동작 방법에 있어서,상기 차량용 심박 체크 시스템에 포함되는 운전자 인식 모듈에서, 상기 차량에 위치하는 운전자를 인식하는 단계;상기 운전자 인식 결과에 따라, 상기 차량용 심박 체크 시스템에 포함되는 심박 체크 모듈이 온(On) 상태 또는 오프(Off) 상태 사이에서 자동으로 전환되는 단계; 및상기 온 상태로 설정되는 상기 심박 체크 모듈에서, 상기 운전자의 심박을 체크하는 단계를 포함하는 심박 체크 시스템의 동작 방법.
- 제13항에 있어서,상기 차량에 위치하는 운전자를 인식하는 단계는,상기 운전자가 상기 차량에 탑승하는지, 상기 운전자가 상기 차량의 내부에 위치하는지, 상기 운전자에 의해 상기 차량이 온 상태에 있는지 또는 상기 운전자에 의해 상기 차량이 주행 상태에 있는지 중 적어도 하나의 여부를 판단하여 상기 운전자를 인식하는 단계를 포함하는 심박 체크 시스템의 동작 방법.
- 제13항에 있어서,상기 운전자의 심박을 체크하는 단계는,상기 차량 및 상기 운전자 각각의 진동을 감지하는 가속도 센서로부터 수신되는 진동 값 또는 상기 운전자의 자세 또는 상기 차량의 오리엔테이션 중 적어도 어느 하나를 감지하는 자이로 센서로부터 수신되는 자세/오리엔테이션 값 중 적어도 하나를 이용하여, 상기 운전자에 대해 체크된 심박을 보정하는 단계를 더 포함하는 심박 체크 시스템의 동작 방법.
- 제13항에 있어서,상기 운전자의 심박을 체크하는 단계는,상기 차량용 심박 체크 시스템에 포함되는 차폐막을 이용하여, 상기 심박 체크 모듈이 발생시키는 자기장, 전기장, 전자기장 또는 수신하는 유도 자기장, 유도 전기장, 유도 전자기장에 상기 운전자 이외의 다른 사용자가 미치는 영향을 방지하는 단계를 더 포함하는 심박 체크 시스템의 동작 방법.
- 차량에 구비되는 차량용 생체 신호 체크 시스템에 있어서,상기 차량에 위치하는 운전자를 인식하는 운전자 인식 모듈; 및상기 운전자 인식 결과에 따라 온(On) 상태 또는 오프(Off) 상태 사이에서 자동으로 전환되며, 상기 온 상태로 설정되는 경우, 상기 운전자의 생체 신호를 체크하는 생체 신호 체크 모듈을 포함하는 생체 신호 체크 시스템.
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