JP6707829B2 - Information presentation device, driving support system, and information presentation method - Google Patents

Description

The present invention relates to an information presentation device, a driving support system, and an information presentation method.

For this type of device, the display area of the monitor is divided into an upper area, a central area, and a lower area, and the spatial information of the own vehicle is displayed in the upper area, the positional relationship between the object and the own vehicle, and the awakening state of the driver. Also, a technique is known in which the health condition is displayed in the central region and the operation information of the own vehicle is displayed in the lower region (Patent Document 1).

JP, 2014-31112, A

However, since the conventional device displays the information regarding the own vehicle regardless of the physical and mental condition of the driver, there is a problem that the information considering the physical and mental condition of the driver cannot be displayed.

The problem to be solved by the present invention is to change the display mode of the information regarding the own vehicle according to the physical and mental condition of the driver.

The present invention solves the above problem by changing the display mode of the icon image indicating the own vehicle included in the driving support information, according to the biometric information of the driver acquired from the biometric information sensor.

According to the present invention, the display mode is changed according to the biometric information of the driver, so that the icon of the own vehicle included in the driving support information can be identified from other contents.

It is a block configuration diagram of a driving support system according to the present embodiment. It is a figure which shows the example of a display of the driving assistance information of this embodiment. It is a figure which shows an example of the standard image of the own vehicle icon contained in the driving assistance information of this embodiment. It is FIG. 1 for demonstrating the 1st example of the display mode of an own vehicle icon. FIG. 8 is a second diagram for explaining the first example of the display mode of the own vehicle icon. It is FIG. 1 for demonstrating the 2nd example of the display mode of an own vehicle icon. FIG. 8 is a second diagram for explaining a second example of the display mode of the own vehicle icon. It is FIG. 1 for demonstrating the 3rd example of the display mode of an own vehicle icon. It is FIG. 2 for demonstrating the 3rd example of the display mode of an own vehicle icon. It is FIG. 1 for demonstrating the 4th example of the display mode of an own vehicle icon. FIG. 13 is a second diagram for explaining a fourth example of the display mode of the own vehicle icon. It is FIG. 1 for demonstrating the 5th example of the display mode of an own vehicle icon. FIG. 13 is a second diagram for explaining a fifth example of the display mode of the own vehicle icon. It is FIG. 1 for demonstrating the 6th example of the display mode of an own vehicle icon. FIG. 16 is a second diagram for explaining the sixth example of the display mode of the own vehicle icon. It is FIG. 1 for demonstrating the 1st example of the display mode of driving assistance information. It is a 2nd figure for demonstrating the 1st example of the display mode of driving assistance information. It is FIG. 1 for demonstrating the 2nd example of the display mode of driving assistance information. It is FIG. 2 for demonstrating the 2nd example of the display mode of driving assistance information. It is a flow chart for explaining the control procedure of the information presentation device concerning this embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the present embodiment, a case where the information presentation device 100 according to the present invention is applied to the driving support system 1 will be described as an example.

FIG. 1 is a diagram showing a block configuration of a driving support system 1 of the present embodiment.
The travel support system 1 of the present embodiment supports the travel of the host vehicle. The information presenting apparatus 100 causes the display 21 to display the driving support information for supporting the driving of the own vehicle.

As shown in FIG. 1, the driving support system 1 of the present embodiment includes an information presentation device 100, an output device 20, a biometric information sensor 30, a camera 50, a navigation device 60, a vehicle controller 70, and driving support. The device 80 and the drive device 90 are provided. The respective devices 20 to 90 are connected by a CAN (Controller Area Network) or other in-vehicle LAN in order to exchange information with each other. Moreover, the information presentation apparatus 100 of this embodiment exchanges information with each of the apparatuses 20 to 90. The information presentation device 100 of the present embodiment may be configured as an in-vehicle device connected to a CAN, or may be a smartphone or PDA (Personal Data) that exchanges information with each device 20 to 90 via a wired or wireless communication network. It may be configured as a portable terminal such as Assistance).

Hereinafter, each device will be described.
The output device 20 of the present embodiment includes a display 21 and a speaker 22, and presents information regarding driving support to the driver.

The biological information sensor 30 of this embodiment will be described.
The biometric information sensor 30 acquires biometric information of the driver who drives the vehicle. The biological information sensor 30 of the present embodiment includes a heartbeat sensor 31, an electrocardiographic sensor 32, a blood pressure sensor 33, a respiration sensor 34, a body temperature sensor 35, a perspiration sensor 36, a pupil sensor 37, and an electroencephalogram sensor 38. At least one of the electro-oculography sensor 39 and the myoelectric potential sensor 40 is included.
The biological information acquired by the biological information sensor 30 of the present embodiment includes heart rate data, blood pressure data, electrocardiographic data, respiratory data, body temperature data, perspiration data, pupil data, electroencephalogram data, electrooculogram data, and myoelectric potential data. Any one or more of the data are included. The biometric information is used to detect the physical and mental abnormality of the driver. Further, the biometric information is used to detect the degree of tension of the driver or the degree of fatigue of the driver.

Hereinafter, each device of the biological information sensor 30 will be described. The mode of the biometric information sensor 30 is not particularly limited, and the biometric information sensor known at the time of the application of the present application can be appropriately used.
The heart rate sensor 31 detects the heart rate data of the driver. The principle of the heartbeat sensor 31 is not particularly limited. For example, the following types of heart rate sensors 31 can be adopted. For example, a type that takes an electrocardiogram based on the output signal from an electrode attached to the skin and detects the heart rate from the electrocardiogram, irradiates the skin with LED light, calculates the light absorption of blood hemoglobin, and calculates the pulse rate. The type that calculates the heartbeat from the pulse, the type that measures the blood flow using infrared rays to calculate the pulse and heartbeat, and the movement of the driver's chest is detected from the image captured by the driver with an infrared sensor. There is a type that detects the heart rate of the driver. The driver's heart rate tends to increase during sympathetic dominant excitement and tension. The driver's heart rate tends to decrease during parasympathetic predominant relaxation. The driver's heart rate tends to rise when fatigue is high. The driver's heart rate tends to decrease when fatigue is low.

The electrocardiographic sensor 32 detects electrocardiographic data of the driver. The principle of the electrocardiographic sensor 32 is not particularly limited. The electrocardiographic sensor 32 detects the electrocardiographic waveform obtained based on the output signal output from the electrode attached to the skin, as electrocardiographic data.
There are the following methods for determining whether the sympathetic nerve is dominant or the parasympathetic nerve is dominant using the electrocardiographic data. From the time-series data of heart rate variability, a high frequency variation component (HF component) corresponding to respiratory variation and a low frequency component (LF component) corresponding to Mayer wave which is blood pressure variation are extracted, and the magnitudes of both are extracted. Compare. The HF component that reflects respiratory variability appears in heart rate variability only when the parasympathetic nerve is dominant (active state). On the other hand, the LF component appears in the heart rate variability both when the sympathetic nerve is dominant and when the parasympathetic nerve is dominant. A stress index can be obtained from LF/HF.
The electrocardiographic sensor 32 previously acquires a pattern of electrocardiographic data when the parasympathetic nerve is dominant when relaxing and a pattern of electrocardiographic data when the sympathetic nerve is dominant when excited and when nervous, and based on the detected electrocardiographic data. , Determine the driver's sympathetic or parasympathetic dominance. The electrocardiographic sensor 32 acquires in advance a pattern of electrocardiographic data when the degree of fatigue is low and a pattern of electrocardiographic data when the degree of fatigue is high, and based on the detected electrocardiographic data, the degree of fatigue of the driver. To judge.

The blood pressure sensor 33 detects the blood pressure data of the driver. The principle of the blood pressure sensor 33 is not particularly limited. If the blood vessel is compressed to stop the blood flow and then the pressure is released, the blood flow is restored and the artery beats. The blood pressure sensor 33 detects blood pressure value data from the vibration. The driver's blood pressure tends to rise during sympathetic dominant excitement and tension. The driver's blood pressure tends to drop during parasympathetic dominance during relaxation. The driver's blood pressure tends to rise when fatigue is high. The driver's blood pressure tends to drop when fatigue is low.

The breathing sensor 34 detects the breathing rate data of the driver. The principle of the breath sensor 34 is not particularly limited. The respiratory sensor 34 detects the vertical movement of the driver's chest from the image captured by the driver by the infrared sensor or the camera 50, and detects the respiratory rate of the driver from the number of vertical movements. The driver's respiratory rate tends to increase during sympathetic dominant excitement and tension. Driver breathing rates tend to decrease during parasympathetic dominance in relaxation. The driver's breathing rate tends to rise when fatigue is high. Driver breathing rates tend to decrease when fatigue is low.

The body temperature sensor 35 detects the body temperature of the driver. The principle of the body temperature sensor 35 is not particularly limited. The body temperature sensor 35 may be of a type that directly measures the temperature of the driver's skin, or may be one that takes an image of the driver with a camera 50 that uses infrared rays and detects the body temperature of the driver from the captured image. Good. In particular, it is preferable to detect the temperature of the nose, where the skin is thin and the temperature is easy to understand. The driver's body temperature tends to increase during sympathetic dominant excitement and tension. The driver's body temperature tends to be lower during relaxation with parasympathetic dominance. The driver's body temperature tends to rise when fatigue is low. The body temperature of the driver tends to be low when the degree of fatigue is high.

The sweat sensor 36 detects the sweat of the driver. The principle of the sweat sensor 36 is not particularly limited. The perspiration sensor 36 may detect the presence/absence of sweating of the driver based on an output signal output from an electrode arranged on the steering wheel, or may detect the sweating of the driver using a humidity sensor. Good. Drivers tend to sweat during sympathetic dominant excitement and tension. Drivers tend not to sweat during parasympathetic predominant relaxation. Drivers tend to sweat when fatigued. Drivers tend not to sweat when fatigue is low.

The pupil sensor 37 measures the pupil diameter of the driver. The principle of the pupil sensor 37 is not particularly limited. The pupil sensor 37 detects the pupil diameter from a captured image of the driver's pupil captured by the camera 50. The driver's pupils tend to open during sympathetic dominant excitement and tension (mydriasis). The driver's pupil tends to narrow during relaxation with parasympathetic dominance (miosis). The driver's pupils tend to open when fatigue is low (mydriasis). The driver's pupil tends to narrow when fatigue is high (miosis)

The brain wave sensor 38 measures the brain waves of the driver. The principle of the electroencephalogram sensor 38 is not particularly limited. The electroencephalogram sensor 38 measures potential changes in nerve fibers of the driver's brain and acquires electroencephalogram data. In the electroencephalogram of the driver, the α-wave component tends to increase when the parasympathetic nerve is relaxed. The β-wave component of the driver's electroencephalogram tends to increase when the sympathetic nerve is predominantly excited or when nervous. In the brain waves of the driver, the α-wave component tends to increase when the degree of fatigue is low. In the brain waves of the driver, the β wave component tends to increase when the degree of fatigue is high.

The electro-oculography sensor 39 measures the electro-oculography of the driver. The principle of the electro-oculography sensor 39 is not particularly limited. The ocular potential is a potential difference generated between the cornea side and the retina side of the driver's eyeball. The electro-oculography sensor 39 may measure the electro-potential based on the driver's eye movement or blink. The electro-oculography sensor 39 acquires in advance the pattern of the electro-oculogram data when the parasympathetic nerve is dominant when relaxing, and the pattern of the electro-oculogram data when the sympathetic nerve is excited and when the person is nervous, based on the detected electro-oculogram. Determine the driver's sympathetic or parasympathetic dominance. The electro-oculography sensor 39 acquires in advance a pattern of electro-oculography data when the degree of fatigue is low and a pattern of electro-oculography data when the degree of fatigue is high, and based on the detected electro-oculography, the degree of fatigue of the driver to decide.

The myoelectric potential sensor 40 measures the myoelectric potential of the driver. The principle of the myoelectric potential sensor 40 is not particularly limited. The myoelectric potential sensor 40 acquires the electrical signal generated from the muscle and detects myoelectric potential data. The myoelectric potential of a driver tends to increase during sympathetic dominant excitation and tension. The driver's EMG tends to be lower during relaxation with parasympathetic dominance. The myoelectric potential sensor 40 acquires in advance a pattern of myoelectric potential data when the parasympathetic nerve is dominant during relaxation, and a pattern of myoelectric potential data when the sympathetic nerve is dominant during excitation and during tension, and based on the detected myoelectric potential, Determine the driver's sympathetic or parasympathetic dominance. The myoelectric potential sensor 40 acquires in advance a pattern of myoelectric potential data when the degree of fatigue is low and a pattern of myoelectric potential data when the degree of fatigue is high, and based on the detected myoelectric potential, determines the degree of fatigue of the driver. to decide.

A method known at the time of filing the present application can be used as a method of determining the degree of human tension and the degree of human fatigue from biological information. Since the present embodiment is applied to a state in which the driver is driving and is trying to eliminate fatigue and tension, it is possible to determine the degree of tension and fatigue of the driver by using a method different from the known method. Is also possible. Furthermore, since research on the relationship between biometric information and the degree of human tension and the degree of human fatigue is ongoing, it is possible to use a later alternative method.

The camera 50 of this embodiment functions as one of the biological information sensors 30.
The physical and mental condition of the driver is detected by using the captured image of the driver captured by the camera 50. The degree of fatigue of the driver can be determined by the movement of the driver's face and the movement of the driver's body. An example of the judgment will be shown below.
(1) It can be detected that the driver is yawning from the change that the driver opens his mouth wide. When the driver repeatedly yawns, it can be determined that the driver has a high degree of fatigue. On the other hand, when the driver does not yawn, it can be determined that the degree of fatigue of the driver is low.
(2) From the change that the image area of the driver's eye is small, it can be detected that the driver's eyelid is lowered. Since the driver's eyelids are lowered, it can be determined that the driver has a high degree of fatigue. On the other hand, when the driver's eyelids are not lowered, it can be determined that the driver's fatigue level is low.
(3) The driver has an operation unrelated to driving, such as blinking, rubbing his eyes, turning his hands around his neck, swinging his body left and right, turning his shoulders, turning his neck, stretching, etc. When the motion of trying to eliminate drowsiness or fatigue is detected, it can be determined that the driver has a high degree of fatigue. On the other hand, when these actions are not detected, it can be determined that the driver's fatigue level is low.

Next, the navigation device 60 will be described.
The navigation device 60 of this embodiment includes a position detection device 61 having a GPS (Global Positioning System). The navigation device 60 refers to the map information 62 and searches for a route from the current position to the destination. In the navigation device 60, the map information 62 includes facility information associated with position information. The navigation device 60 refers to the map information 62 and guides the own vehicle to a stop position near the present position of the own vehicle, for example, a service area, a parking lot, or an evacuation area as a destination.

The vehicle controller 70 of the present embodiment controls the operation of the vehicle based on the information acquired from the vehicle speed sensor 71, the acceleration sensor 72, and the steering sensor 73.

The drive device 90 of the present embodiment includes a braking device 91 and a steering device 92, and drives/brakes the vehicle under the control of the vehicle controller 70. The vehicle controller 70 controls the drive device 90 according to a command from the travel support device 80.

The travel support device 80 of this embodiment will be described.
The travel assistance device 80 of the present embodiment includes a vehicle speed control device 81 (ASCD: Automatic Speed control device), an inter-vehicle distance control device 82 (ACC: Adaptive cruise control), a lane departure prevention device 83 (LDP: Lane departure prevention), and a lane departure. Prevention alarm device 84 (LDW: Lane Departure Warning), rear view camera, blind corner monitor, monitor device 85 including Around View Monitor (registered trademark) (AVM: Around view monitor (registered trademark)), parking assistance device 86 (IPA: It includes any one or more of Intelligent Parking Assist) and forward collision warning (FCW: Forward collision warning) 87.

Hereinafter, each traveling support device 80 will be described.

The vehicle speed control device 81 (ASCD) is a device that runs the vehicle at a constant speed.
The inter-vehicle control device 82 (ACC) is a device that runs the vehicle while keeping a constant distance from the vehicle in front. The lane departure prevention device 83 (LDP) is a device that prompts the driver to perform an operation when it is likely that the vehicle will deviate from the driving lane without intention. For example, when there is a possibility that the vehicle deviates from the lane and approaches an obstacle when traveling at a constant speed on a highway, that is, when the vehicle departs from the lane by a predetermined deviation amount (distance), the necessary driving operation is supported.
The lane departure prevention device 83 (LDP) is a device that controls the brake of each wheel and urges the driver to return the vehicle to the lane.
The lane departure prevention warning device 84 (LDW) indicates to the driver a buzzer and a display when there is a possibility that the vehicle deviates from the lane and approaches an obstacle, that is, when the vehicle departs from the lane by a predetermined departure amount (distance). It is a device that calls attention.

The rear view camera, which is one of the monitor devices 85, is a device that provides the driver with an image of a predetermined area behind the vehicle and presents information on an obstacle approaching the vehicle. An Around View Monitor (AVM), which is one of the monitor devices 85, is a device that provides an image of a predetermined area around the vehicle and presents information on an obstacle approaching the vehicle. The blind corner monitor, which is one of the monitor devices 85, is a device that presents an image of a predetermined area that is difficult for the driver to see, and presents information on obstacles approaching the vehicle. A night vision, which is one of the monitor devices 85, is a device that notifies the presence of an obstacle that is difficult for the driver to visually recognize when driving at night.
The parking assist device 86 (IPA) is a device that assists an operation of parking a vehicle in a predetermined parking area while avoiding approaching an obstacle.
The front vehicle approach warning device 87 (FCW: Forward collision warning) is a device that alerts the driver with a buzzer and a display when approaching a vehicle in front within a predetermined distance.

The control device 10 of the information presentation device 100 of this embodiment will be described. The control device 10 of the present embodiment executes the program stored in the ROM 12 and the ROM 12 that stores the program that controls the display of the travel support information that supports the travel of the host vehicle based on the biological information. It has a CPU 11 as an operation circuit that functions as the information presenting apparatus 100, and a RAM 13 that functions as an accessible storage device.

The control device 10 of the information presentation device 100 according to the present embodiment changes the display mode of the icon image indicating the own vehicle included in the driving support information according to the biometric information of the driver. The control device 10 has a judgment function and a display control function. The control device 10 of the present embodiment is a computer that executes each function by the cooperation of the above-mentioned hardware and the software for realizing the above-mentioned function.

Hereinafter, each function and process implemented by the control device 10 of the information presentation device 100 will be described.

First, the determination function of the control device will be described.
The control device 10 determines the physical and mental condition of the driver using the biometric information of the driver. The control device 10 of the present embodiment determines the mental and physical condition of the driver using the following method.

(1) The control device 10 determines that the driver is in a tension degree when the heart rate of the driver is equal to or higher than the predetermined value A1, and the driver is in a relaxed state when the heart rate of the driver is less than the predetermined value A2. to decide. The predetermined value A1 and the predetermined value A2 may be the same value or different values. When the driver's heart rate is A3 or more, it is determined that the driver's fatigue level is high, and when the driver's heart rate is less than A4, the driver's fatigue level is determined to be low. The predetermined value A3 and the predetermined value A4 may be the same value or different values.

(2) The control device 10 determines, from the time-series data of heartbeat variability, (low-frequency component (LF component) corresponding to Mayer wave, which is blood pressure fluctuation)/(high-frequency fluctuation component (HF) corresponding to respiratory fluctuation). Component)), and when LF/HF is greater than or equal to a predetermined value B1, it is determined that the driver's tension is high, and when the high frequency variation component (HF component) corresponding to respiratory variation is less than the predetermined value B2, the driver It is judged that the degree of tension is low. When LF/HF is equal to or greater than the predetermined value B3, it is determined that the driver's fatigue level is high, and when HF is less than the predetermined value B4, it is determined that the driver fatigue level is low. The predetermined value B3 and the predetermined value B4 may be the same value or different values.

(3) The control device 10 determines that the driver is in a tension degree when the blood pressure value is equal to or higher than the predetermined value C1, and determines that the driver is in a relaxed state when the heart rate of the driver is less than the predetermined value C2. .. The predetermined value C1 and the predetermined value C2 may be the same value or different values. When the blood pressure value of the driver is C3 or more, it is determined that the driver's fatigue level is high, and when the driver's blood pressure value is less than C4, the driver's fatigue level is determined to be low. The predetermined value C3 and the predetermined value C4 may be the same value or different values.

(4) The control device 10 determines that the driver is in a tension degree when the driver's breathing rate per unit time is less than the predetermined value D1, and when the driver's breathing rate per unit time is the predetermined value D2 or more. , Determine that the driver is in a relaxed state. The predetermined value D1 and the predetermined value D2 may be the same value or different values. When the driver's breathing rate per unit time is less than D3, it is determined that the driver's fatigue degree is high, and when the driver's respiratory rate per unit time is less than D4, the driver's fatigue degree is low. Judge that there is. The predetermined value D3 and the predetermined value D4 may be the same value or different values.

(5) The control device 10 determines that the driver is in a tension degree when the body temperature of the driver is less than the predetermined value E1, and determines that the driver is in a relaxed state when the body temperature of the driver is less than the predetermined value E2. .. The predetermined value E1 and the predetermined value E2 may be the same value or different values. When the body temperature of the driver is E3 or higher, it is determined that the driver's fatigue level is low, and when the driver's body temperature is less than E4, the driver's fatigue level is determined to be high. The predetermined value E3 and the predetermined value E4 may be the same value or different values.

(6) The control device 10 determines that the driver is in a tension level when the sweat rate of the driver is equal to or greater than the predetermined value F1, and the driver is in a relaxed state when the sweat rate of the driver is less than the predetermined value F2. to decide. The predetermined value F1 and the predetermined value F2 may be the same value or different values. When the amount of sweat of the driver is F3 or more, it is determined that the degree of fatigue of the driver is high, and when the body temperature of the driver is less than F4, it is determined that the degree of fatigue of the driver is low. The predetermined value F3 and the predetermined value F4 may be the same value or different values.

(7) The control device 10 determines that the driver is in a tension degree when the driver's pupil diameter is a predetermined value G1 or more, and determines that the driver is in a relaxed state when the driver diameter is less than the predetermined value G2. The predetermined value G1 and the predetermined value G2 may be the same value or different values. When the driver's pupil diameter is equal to or larger than the predetermined value G3, it is determined that the driver's fatigue degree is low, and when the driver's pupil diameter is less than G4, the driver's fatigue degree is determined to be low. The predetermined value G3 and the predetermined value G4 may be the same value or different values.

(8) The control device 10 determines that the driver is relaxed when the α-wave component increases in the driver's brain wave, and determines that the driver is nervous when the β-wave component increases in the driver's brain wave. Judge that it is the degree.

(9) When the degree of coincidence between the pattern of the driver's electro-oculogram and the pattern of the electro-oculogram data at the time of relaxation is H1 or more, the control device 10 determines that the driver is in a relaxed state, When the degree of coincidence between the pattern and the pattern of the electro-oculography data at the time of tension is H2 or more, the driver determines that the driver is in a relaxed state. When the degree of coincidence between the pattern of the driver's electro-oculogram and the pattern of the electro-oculogram data during non-fatigue is H3 or more, the driver determines that the degree of non-fatigue is present, and the pattern of the electro-oculogram of the driver and the pattern during fatigue When the degree of coincidence with the pattern of the electro-oculography data is H4 or more, the driver determines that the degree of fatigue is.

(10) When the degree of coincidence between the pattern of the myoelectric potential of the driver and the pattern of myoelectric potential data at the time of relaxation is I1 or more, the control device 10 determines that the driver is in a relaxed state, and determines the myoelectric potential of the driver. When the degree of coincidence between the pattern and the pattern of myoelectric potential data during tension is I2 or more, the driver determines that the driver is in a relaxed state. When the degree of agreement between the myoelectric potential pattern of the driver and the myoelectric potential data pattern during non-fatigue is I3 or more, the driver determines that the degree of non-fatigue is present, and the myoelectric potential pattern of the driver and that during fatigue. When the degree of coincidence with the pattern of myoelectric potential data is I4 or more, the driver determines that the degree of fatigue is present.

(11) The control device 10 detects from the image captured by the camera 50 that the driver is yawning, detects that the area of the image corresponding to the eyes is small, or an operation that is not related to driving. Is detected, it is determined that the driver has a high degree of fatigue.

The detected biometric information, or the driver's tension or driver's fatigue derived from the biometric information is used to control the display mode of the driving support information.

Next, the display control function of the control device 10 will be described.
The control device 10 changes the display mode of the icon image indicating the own vehicle included in the driving support information according to the biometric information of the driver.

FIG. 2 is a diagram showing an example of the driving support information. As shown in FIG. 2, the situation of the display range R around the vehicle is displayed on the display 21 as driving support information. The driving assistance information of this example includes an image of the own vehicle icon V1 indicating the own vehicle and other vehicle icons V2, V3 indicating the other vehicles. Further, the driving support information of this example includes the biometric information HD1 of the driver of the own vehicle detected by the biometric information sensor 30. The driving support information of this example includes arrows DC1, DC2, DC3 indicating the traveling direction of the host vehicle.

Hereinafter, a display mode of the own vehicle icon V1 in the driving support information will be described.
FIG. 3 is a diagram in which the own vehicle icon V1 included in the driving support information is extracted and displayed. FIG. 3 shows an example of a standard (initially set) own vehicle icon V1 display mode. The host vehicle icon V1 indicates a state where the vehicle is traveling on a lane sandwiched between the lane mark LNL and the lane mark LNR.

Since the control device 10 changes the display mode of the own vehicle icon V1 according to the biometric information of the driver, the own vehicle icon V1 can be easily found even when the driving assistance information includes a plurality of vehicle icons. be able to. Further, since the driver's own biometric information can be expressed using the host vehicle icon V1, it is possible to have a sense of unity with the host vehicle indicated by the host vehicle icon V1 and attachment to the host vehicle.

The control device 10 of the present embodiment changes the display mode of the icon image showing the own vehicle according to the determination result of the mental and physical condition of the driver. Since the display mode of the host vehicle icon V1 is changed according to the mental and physical information of the driver, the host vehicle icon V1 can be easily found even when the driving support information includes a plurality of vehicle icons. Further, since the driver's own mental and physical information can be expressed using the own vehicle icon V1, it is possible to have a sense of unity with the own vehicle indicated by the own vehicle icon V1.

Here, the biological information is any one or more of heart rate data, blood pressure data, electrocardiographic data, respiratory data, body temperature data, perspiration data, pupil data, electroencephalogram data, electrooculogram data and myoelectric potential data. Is.

Hereinafter, a specific display mode will be described.
The control device 10 causes the own vehicle icon V1 to blink in the driving support information. The control device 10 alternately displays an image in which the own vehicle icon V1 is present in the lane shown in FIG. 4A and an image in which the own vehicle icon V1 is not present in the lane shown in FIG. 4B at a predetermined cycle. By doing so, the host vehicle icon V1 can be periodically blinked and displayed in the driving support information.

The control device 10 of the present embodiment causes the host vehicle icon V1 to blink in a shorter cycle as the driver's biometric information value is higher, and the host vehicle icon V1 in a longer cycle as the driver's biometric information value is lower. Display it. The blinking display cycle is the time from one lighting to the next lighting.

Thus, the larger the value of the driver's biometric information, the shorter the blinking cycle of the host vehicle icon V1, and the smaller the value of the driver's biometric information, the longer the blinking cycle of the host vehicle icon V1. The state of mind and body can be expressed using the blinking cycle of the vehicle icon V1.

Further, the control device 10 of the present embodiment determines the degree of tension of the driver as the mental and physical state using the biometric information of the driver, and the higher the degree of tension of the driver, the more blinking the icon image indicating the own vehicle is displayed. The lower the driver's tension, the blinking the icon image showing the own vehicle in a longer cycle.

Thus, the higher the driver's tension, the shorter the blinking cycle of the host vehicle icon V1, and the lower the driver's tension, the longer the blinking cycle of the host vehicle icon V1. It can be expressed using the blinking cycle of the vehicle icon V1.

In addition, the control device 10 of the present embodiment determines the fatigue degree of the driver as the mental and physical state using the biometric information of the driver, and makes the icon image indicating the own vehicle blink in a short cycle as the driver's fatigue degree increases. As the driver's fatigue level is lower, the icon image showing the host vehicle is displayed in a blinking manner with a longer cycle.

As described above, the higher the driver's fatigue level, the shorter the blinking cycle of the host vehicle icon V1, and the lower the driver's fatigue level, the longer the blinking cycle of the host vehicle icon V1. It can be expressed using the blinking cycle of the vehicle icon V1.

The control device 10 of the present embodiment enlarges and displays the host vehicle icon V1 as the value of the biometric information of the driver is higher, and reduces and displays the host vehicle icon V1 as the value of the driver's biometric information is lower. FIG. 5A shows an image of the own vehicle icon V1 shown in the first size, and FIG. 5B shows an image of the own vehicle icon V1 shown in the second size. In this example, the first size of the vehicle icon V1 is larger than the second size. In this example, when the value of the biometric information of the driver is high, the image of the relatively large vehicle icon V1 shown in FIG. 5A is shown, and when the value of the biometric information of the driver is low, the image is relatively shown in FIG. 5B. The image of the small own vehicle icon V1 is shown.

Thus, the larger the value of the driver's biometric information, the larger the size of the host vehicle icon V1 is displayed, and the smaller the value of the driver's biometric information, the smaller the size of the host vehicle icon V1 is displayed. By doing so, the mental and physical condition of the driver can be expressed using the size of the vehicle icon V1.

Further, the control device 10 of the present embodiment determines the degree of tension of the driver as the mental and physical state using the biometric information of the driver, and displays the vehicle icon V1 in an enlarged size as the degree of tension of the driver increases. The smaller the driver's degree of tension, the smaller the size of the vehicle icon V1 is displayed. In this example, when the driver's tension is high, the image of the relatively large own-vehicle icon V1 shown in FIG. 5A is shown, and when the driver's tension is low, the relatively small own-vehicle icon shown in FIG. 5B. The image of V1 is shown.

As described above, the higher the driver's tension, the larger the size of the host vehicle icon V1 is displayed, and the lower the driver's tension, the smaller the size of the host vehicle icon V1 is displayed. The driver's degree of tension can be expressed using the size of the vehicle icon V1.

Further, the control device 10 of the present embodiment determines the degree of fatigue of the driver as the mental and physical state using the biometric information of the driver, and displays the vehicle icon V1 in an enlarged size as the driver's degree of fatigue increases. As the driver's fatigue level is lower, the size of the own vehicle icon V1 is reduced and displayed. In this example, when the driver's fatigue degree is high, the image of the relatively large own vehicle icon V1 shown in FIG. 5A is shown, and when the driver's fatigue degree is low, the relatively small own vehicle icon V1 shown in FIG. 5B. The image of V1 is shown.

Thus, the higher the driver's fatigue level, the larger the size of the host vehicle icon V1 is displayed, and the lower the driver's fatigue level, the smaller the size of the host vehicle icon V1 is displayed. The degree of fatigue of the driver can be expressed using the size of the vehicle icon V1.

Further, the control device 10 of the present embodiment determines the degree of tension of the driver as the state of mind and body using the biometric information of the driver, and the higher the degree of tension of the driver, the lower the transparency of the vehicle icon V1 is displayed. , The lower the driver's tension, the higher the transparency of the vehicle icon V1 is displayed.
FIG. 6A shows an image of the own vehicle icon V1 indicated by the first transparency, and FIG. 6B shows an image of the own vehicle icon V1 indicated by the second transparency. In this example, the first transparency of the vehicle icon V1 is lower than the second transparency. In this example, when the driver's tension is high, the clear (low transparency) image of the own vehicle icon V1 shown in FIG. 6A is shown, and when the driver's tension is low, the image is relatively shown in FIG. 6B. The image of the unclear (blurred) own vehicle icon V1 is shown.

In this way, the higher the driver's degree of tension, the lower the transparency of the own vehicle icon V1 to clearly show the image of the own vehicle icon V1, and the lower the driver's degree of tension, the more the image of the own vehicle icon V1. By making it unclear, the physical and mental condition of the driver can be expressed by using the difference in the transparency of the vehicle icon V1.

The control device 10 of the present embodiment determines the degree of fatigue of the driver as a mental and physical state using the biometric information of the driver, and displays the vehicle icon V1 with a lower transparency as the driver's degree of fatigue decreases. The higher the degree of fatigue is, the higher the transparency of the vehicle icon V1 is displayed. In this example, when the driver's fatigue level is low, the clear (low transparency) image of the own vehicle icon V1 shown in FIG. 6A is shown, and when the driver's fatigue level is high, it is relatively shown in FIG. 6B. The image of the unclear (blurred and highly transparent) own vehicle icon V1 is shown.

In this way, the higher the driver's fatigue level, the lower the transparency of the host vehicle icon V1 to clearly show the image of the host vehicle icon V1, and the lower the driver's fatigue level, the more the image of the host vehicle icon V1. By making it unclear, the degree of fatigue of the driver can be expressed using the difference in the transparency of the vehicle icon V1.

Further, the control device 10 of the present embodiment determines the degree of tension of the driver as the mental and physical state using the biometric information of the driver, and when the degree of tension of the driver is less than a predetermined value, the icon image indicating the own vehicle is moved forward and backward.・ Swing left/right/up/down to display.
FIG. 7A shows an image of the own vehicle icon V1 that swings to the right along the arrow SW in the figure, and FIG. 7B shows an image of the own vehicle icon V1 that swings to the left along the arrow SW in the figure. By alternately showing the state shown in FIG. 7A and the state shown in FIG. 7B, the state where the subject vehicle icon V1 is swinging left and right is presented. 7A and 7B show an example of the host vehicle icon V1 that swings left and right, but the fulcrum of swing can be set arbitrarily, and it may be swung up and down and back and forth.

In this way, when the driver's tension is less than the predetermined value (low), the driver's icon V1 is swung and displayed to indicate that the driver's tension is low. It can be expressed using (swing).

The control device 10 of the present embodiment uses the biometric information of the driver to determine the degree of fatigue of the driver as a psychosomatic state, and when the degree of fatigue of the driver is equal to or greater than a predetermined value, the icon image indicating the vehicle is displayed in the front/rear/left/right directions.・ Swing up and down to display.

In this way, when the driver's fatigue level is less than the predetermined value (low), the driver's vehicle fatigue level is low by displaying the own vehicle icon V1 by swinging. It can be expressed using movement (swing).

Further, the control device 10 of the present embodiment determines the degree of tension of the driver as the physical and mental state using the biometric information of the driver, and when the degree of tension of the driver is less than a predetermined value, the image of the vehicle icon V1 is curved. To display. The method of editing the image is not particularly limited, and the method of deforming the image by moving the editing point specified in the image in a predetermined direction is not particularly limited.

As described above, when the driver's tension is less than the predetermined value (low), the driver's tension is low by displaying the driver's vehicle icon V1 in a curved manner. It can be expressed using a curved and soft curved shape.

Further, the control device 10 of the present embodiment uses the biometric information of the driver to determine the degree of fatigue of the driver as a mental and physical state, and when the degree of fatigue of the driver is less than a predetermined value, bends the image of the vehicle icon V1. To display.

As described above, when the driver's fatigue level is less than the predetermined value (low), the driver's vehicle fatigue level is low by displaying the host vehicle icon V1 in a curved manner. It can be expressed using a curved and soft curved shape.

Further, instead of bending the vehicle icon V1 itself, an icon configured by a straight line or an icon configured by a curved line may be attached to express a soft impression.
FIG. 9A shows a standard host vehicle icon V1 which is relatively soft by adding a straight arrow Q1. FIG. 9B shows a host vehicle icon V1 that gives a soft impression by adding a curved arrow Q2.
In this example, when the degree of tension is less than the predetermined value, when the degree of fatigue is less than the predetermined value, the vehicle icon V1 of FIG. 9B is displayed, and when the degree of tension is the predetermined value or more, the degree of fatigue is the predetermined value. When it is above, the own vehicle icon V1 of FIG. 9A is shown.

The control device 10 of the present embodiment enlarges or reduces the display range of the image around the own vehicle included in the driving support information according to the biometric information of the driver. The display range of the image around the vehicle included in the driving support information is the display range R shown in FIG. It is a range defined based on the position of the own vehicle and presented as driving support information. The control device 10 reduces the display range R included in the driving support information when the value of the biometric information of the driver is high, and reduces the display range R included in the driving support information when the value of the biometric information of the driver is low. Expand. According to the present device, it is possible to present the travel support information of an appropriate amount of information according to the biometric information.

The control device 10 reduces the display range R included in the driving support information when the driver's tension is equal to or higher than a predetermined value, and when the driver's tension is less than the predetermined value (when the driver is relaxed). Expands the display range R included in the driving support information. That is, when the driver has a high degree of tension, information on a limited area is presented, and when the driver is relaxed, information on a wide area is presented. This is because it is considered that a driver who is relaxing can handle the information provided in a wide area.

The controller 10 reduces the display range R included in the driving support information when the driver's fatigue degree is equal to or higher than a predetermined value, and when the driver's fatigue degree is less than the predetermined value (when not tired). , The display range R included in the driving support information is expanded. That is, when the driver has a high degree of fatigue, information on a limited area is presented, and when the driver is not tired, information on a wide area is presented. This is because it is considered that a driver who is not tired can cope even by presenting information on a wide area.

The control contents for changing the display mode of the driving support information according to the biological information described above are summarized in Tables 1, 2 and 3 below.
Table 1 shows the control contents of the display mode according to the value of the biometric information.

Table 2 shows the control contents of the display mode according to the degree of tension.

Table 3 shows the control contents of the display mode according to the degree of fatigue.

The travel support device 80 included in the travel support system 1 of the present embodiment has a parameter changing function for changing the parameters of the travel support device 80 based on the biological information of the vehicle. Each travel support device 80 stores a ROM that stores a program that supports the travel of the vehicle, a CPU that operates as a travel support device 80 by executing the program stored in the ROM, and an access circuit. A computer having a RAM that functions as a possible storage device.

A method of changing parameters according to biometric information can be defined as appropriate.
As an example, when the biometric information is a predetermined value or more, the tension degree is a predetermined value or more, or the fatigue degree is a predetermined value or more, the parameters are changed as follows.
(1) In the vehicle speed control device 81, the set vehicle speed is changed to a low value.
(2) In the inter-vehicle distance control device 82, the set inter-vehicle distance is changed to be longer.
(3) In the lane departure prevention device 83, the lane marker, which is the execution threshold value for the lane departure prevention control, and the distance between the host vehicle and the vehicle are changed to be longer.
(4) In the lane departure prevention warning device 84, the lane marker that is the execution threshold value of the lane departure prevention control and the distance between the host vehicle and the vehicle are changed to be longer.
(5) In the monitor device 85, the monitoring range is expanded.
(6) In the parking assistance device 86, the range of checking obstacles is expanded when performing parking assistance.
(7) In the front vehicle approach warning device 87, the distance to the front vehicle that issues the warning is shortened.

When the driving support device 80 changes the parameter, the control device 10 displays the driving support information including the fact that the parameter is changed on the display 21.
When the biological information is a predetermined value or more, the degree of tension is a predetermined value or more, or when the degree of fatigue is a predetermined value or more, the "set inter-vehicle distance" set in the inter-vehicle control device 82 is changed to be long. The case will be described as an example.

FIG. 10A is driving support information indicating the standard “set inter-vehicle distance K1”. When the “set inter-vehicle distance K1” is changed to the “set inter-vehicle distance K2 (K2>K1)”, the driving support information including the “set inter-vehicle distance K2” extended as shown in FIG. 10B is presented. The driving support information shown in FIG. 10B may be presented, or a state in which the state transitions from FIG. 10A to FIG.

As a result, the change in the parameter used when executing the driving support can be displayed to the driver in an easily understandable manner.

The navigation device 60 included in the driving support system 1 of the present embodiment has a search function of searching for a recommended destination based on the biometric information of the own vehicle. The navigation device 60 of the present embodiment supports the traveling of the own vehicle.
The navigation device 60 refers to the map information 62 and executes a program stored in the ROM that stores a program for searching for a route from the current position of the vehicle to the destination, and the navigation device 60 It is a computer having a CPU as an operation circuit to function as, and a RAM functioning as an accessible storage device.

The navigation device 60 has a search function of searching for a recommended destination according to the biological information of the vehicle. When the navigation device 60 searches for a new recommended destination, the control device 10 of the information presentation device 100 displays the driving support information including the information on the recommended destination on the display 21.

When the biometric information is a predetermined value or more, the degree of tension is a predetermined value or more, or the degree of fatigue is a predetermined value or more, the navigation device 60 as a new recommended destination for the driver to take a rest. Find the service area closest to you.

FIG. 11A shows driving support information displayed when a new recommended destination is not searched. FIG. 11B shows information of a recommended destination “REST Parking”, a distance of “50 m”, and an icon indicating “restroom” in the traveling direction of the vehicle icon V1 when a new recommended destination is searched. Present the driving support information including.

Thereby, the driver can be guided to the recommended destination according to the biometric information.

Next, the procedure of the presentation control of the driving support information of the present embodiment will be described based on the flowchart of FIG. The processing content shown in FIG. 12 is continuously performed in a predetermined cycle.

As shown in FIG. 12, in step S110, the control device 10 presents the driving support information on the display 21.

In step S120, the biometric information sensor 30 detects biometric information of the driver.

In step S130, the control device 10 evaluates the biometric information of the detected driver. The control device 10 compares the value of the biometric information with the threshold value.

In step S140, the control device 10 determines whether or not there is a change in the biometric information of the driver, and if there is a change, the process proceeds to step S150.

In step S150, the control device 10 determines the physical and mental condition of the driver. The control device 10 determines the degree of tension of the driver from the biometric information. The control device 10 determines the degree of fatigue of the driver from the biometric information.

In step S160, the control device 10 determines the display mode according to the biological information or the physical and mental condition.

Further, the driving support device 80 calculates the driving support parameters in step S170, and determines whether the driving support parameters have been changed in step S180. When the driving support parameter is changed, the process proceeds to step S190.

In step S190, the control device 10 presents the driving support information changed with the change of the driving support parameters (see FIG. 10B).

According to the information presentation device 100 of this embodiment, the following effects are achieved.

[1] According to the information presentation device 100 of the present embodiment, the display mode is changed according to the biometric information of the driver, so that the own vehicle icon V1 included in the driving support information can be easily identified from other contents. Further, since the driver's own biometric information can be expressed using the own vehicle icon V1, it is possible to have a sense of unity with the own vehicle indicated by the own vehicle icon V1.

[2] According to the information presentation device 100 of the present embodiment, the larger the value of the biometric information of the driver, the shorter the blinking cycle of the own vehicle icon V1, and the smaller the value of the biometric information of the driver, the smaller the own vehicle icon V1. By lengthening the blinking cycle of, the mental and physical condition of the driver can be expressed using the blinking cycle of the vehicle icon V1.

[3] According to the information presentation device 100 of the present embodiment, the larger the value of the biometric information of the driver is, the larger the size of the vehicle icon V1 is displayed, and the smaller the value of the biometric information of the driver is, By reducing and displaying the size of the vehicle icon V1, the physical and mental condition of the driver can be expressed using the size of the host vehicle icon V1.

[4] According to the information presentation device 100 of the present embodiment, the display mode of the own vehicle icon V1 is changed according to the mental and physical information of the driver. Therefore, it is possible that the driving assistance information includes a plurality of vehicle icons. Also, the own vehicle icon V1 can be easily found. Further, since the driver's own mental and physical information can be expressed using the own vehicle icon V1, it is possible to have a sense of unity with the own vehicle indicated by the own vehicle icon V1.

[5] According to the information presentation device 100 of the present embodiment, the higher the driver's tension degree, the shorter the blinking cycle of the own vehicle icon V1, and the lower the driver's tension degree, the shorter the blinking cycle of the own vehicle icon V1. By making the length longer, the tension state of the driver can be expressed using the blinking cycle of the host vehicle icon V1.

[6] According to the information presentation apparatus 100 of the present embodiment, the higher the driver's degree of tension, the larger the size of the host vehicle icon V1 is displayed, and the lower the driver's degree of tension, the higher the driver's vehicle icon V1. By displaying the reduced size, the driver's tension can be expressed using the size of the vehicle icon V1.

[7] The higher the driver's degree of tension, the lower the transparency of the own vehicle icon V1 to clearly show the image of the own vehicle icon V1. The lower the driver's degree of tension, the less the image of the own vehicle icon V1 becomes. By clearly indicating, the tension state of the driver can be expressed by using the difference in the transparency of the vehicle icon V1.

[8] If the driver's tension is less than a predetermined value (low), the driver's icon V1 is swung and displayed to indicate that the driver's tension is low ( It can be expressed using the presence or absence of a swing).

[9] According to the information presentation device 100 of the present embodiment, when the driver's degree of tension is less than a predetermined value (low), the driver's vehicle icon V1 is displayed in a curved manner so that the driver is in a low tension state. Can be expressed using the curved shape of the vehicle icon V1.

[10] According to the information presentation device 100 of the present embodiment, the blinking cycle of the host vehicle icon V1 is shortened as the driver's fatigue level is high, and the blinking cycle of the host vehicle icon V1 is set as the driver's fatigue level is low. By increasing the length, the degree of fatigue of the driver can be expressed using the blinking cycle of the vehicle icon V1.

[11] According to the information presentation device 100 of the present embodiment, the higher the driver's fatigue degree, the larger the size of the own vehicle icon V1 is displayed, and the lower the driver's fatigue degree, the smaller the driver's own vehicle icon V1. By displaying the reduced size, the degree of fatigue of the driver can be expressed using the size of the host vehicle icon V1.

[12] According to the information presentation device 100 of the present embodiment, the higher the driver's fatigue level, the lower the transparency of the host vehicle icon V1 and the clearer image of the host vehicle icon V1, and the driver's fatigue level. The lower is, the more unclearly the image of the own vehicle icon V1 is shown, so that the driver's degree of fatigue can be expressed using the difference in the transparency of the own vehicle icon V1.

[13] According to the information presentation device 100 of the present embodiment, when the driver's fatigue level is less than a predetermined value (low), the driver's fatigue level is displayed by swinging and displaying the own vehicle icon V1. The low state can be expressed by the presence or absence of the movement (swing) of the vehicle icon V1.

[14] According to the information presentation device 100 of the present embodiment, when the driver's fatigue level is less than a predetermined value (low), the driver's fatigue level is displayed by curving the vehicle icon V1. The low state can be expressed using the curved shape of the host vehicle icon V1 and the soft curved shape.

[15] According to the information presentation device 100 of the present embodiment, it is possible to determine the driver's mind and body using various biometric information.

[16] According to the information presentation device 100 of the present embodiment, it is possible to present the travel support information of an appropriate amount of information according to the biological information.

[17] According to the information presentation device 100 of the present embodiment, it is possible for the driver to easily display the change in the parameter used when executing the driving support.

[18] According to the information presentation device 100 of the present embodiment, the driver can be guided to the recommended destination according to the biological information.

[19] According to the information presentation method of the present embodiment, it is possible to obtain the same operational effects as the above operational effects.

The embodiments described above are described to facilitate understanding of the present invention, and are not described to limit the present invention. Therefore, each element disclosed in the above-described embodiments is intended to include all design changes and equivalents within the technical scope of the present invention.

That is, in the present specification, the driving support system according to the present invention includes the information presentation device 100, the biological information sensor 30, the camera 50, the navigation device 60, the vehicle controller 70, the driving support device 80, and the drive device. Although the description will be given by taking as an example the driving support system 1 including 90, the present invention is not limited to this.

In the present specification, as one mode of the information presenting apparatus according to the present invention, the information presenting apparatus 100 including the control device 10 and the output device 20 will be described as an example, but the present invention is not limited to this.

In the present specification, as an example of the information presenting apparatus according to the present invention including a display, a biometric information sensor, and a display control unit, a display 21, a biometric information sensor 30, and a control apparatus 10 that executes a display control function. The information presenting apparatus 100 including the above will be described as an example, but the present invention is not limited to this.

1... Driving support system 100... Information presenting device 10... Control device 11... CPU
12...ROM
13... RAM
20... Output device 21... Display 22... Speaker 30... Biological information sensor 50... Camera 60... Navigation device 70... Vehicle controller 80... Driving support device 90... Drive device 91... Braking device 92... Steering device

Claims (17)

An information presentation device comprising a display, which displays driving support information for supporting the travel of the own vehicle through the display,
A biometric sensor for acquiring biometric information of a driver who drives the vehicle,
Determination means for determining the degree of tension of the driver using the biometric information of the driver;
Display control means for changing the display mode of the icon image showing the own vehicle included in the driving support information according to the degree of tension of the driver,
The display control unit causes the icon image indicating the host vehicle to blink in a shorter cycle as the driver's degree of tension increases, and the icon image indicating the host vehicle in a longer cycle as the driver's degree of tension decreases. Information display device for blinking display. An information presentation device comprising a display, which displays driving support information for supporting the travel of the own vehicle through the display,
A biometric sensor for acquiring biometric information of a driver who drives the vehicle,
Determination means for determining the degree of tension of the driver using the biometric information of the driver;
Display control means for changing the display mode of the icon image showing the own vehicle included in the driving support information according to the degree of tension of the driver,
Information in which the display control unit enlarges and displays the icon image showing the own vehicle as the driver's degree of tension increases, and reduces the icon image showing the own vehicle as the driver's degree of tension decreases. Presentation device. An information presentation device comprising a display, which displays driving support information for supporting the travel of the own vehicle through the display,
A biometric sensor for acquiring biometric information of a driver who drives the vehicle,
Determination means for determining the degree of tension of the driver using the biometric information of the driver;
Display control means for changing the display mode of the icon image showing the own vehicle included in the driving support information according to the degree of tension of the driver,
The display control unit displays the icon image showing the own vehicle with a lower transparency as the driver's tension is higher, and displays the icon image showing the own vehicle as the driver's tension is lower. An information presentation device that displays at a high degree. An information presentation device comprising a display, which displays driving support information for supporting the travel of the own vehicle through the display,
A biometric sensor for acquiring biometric information of a driver who drives the vehicle,
Determination means for determining the degree of tension of the driver using the biometric information of the driver;
Display control means for changing the display mode of the icon image showing the own vehicle included in the driving support information according to the degree of tension of the driver,
The display control means is an information presenting device for displaying an icon image showing the own vehicle by swinging in the front/rear/left/right/up and down directions when the degree of tension of the driver is less than a predetermined value. An information presentation device comprising a display, which displays driving support information for supporting the travel of the own vehicle through the display,
A biometric sensor for acquiring biometric information of a driver who drives the vehicle,
Determination means for determining the degree of tension of the driver using the biometric information of the driver;
Display control means for changing the display mode of the icon image showing the own vehicle included in the driving support information according to the degree of tension of the driver,
The information presenting device, wherein the display control means causes the icon image showing the own vehicle to be curved and displayed when the degree of tension of the driver is less than a predetermined value. The display control means, when the degree of tension of the driver is equal to or more than a predetermined value, reduces the display range of the image around the vehicle, and when the degree of tension of the driver is less than a predetermined value, The information presentation device according to claim 1, wherein the display range of the image around the vehicle is enlarged and displayed. An information presentation device comprising a display, which displays driving support information for supporting the travel of the own vehicle through the display,
A biometric sensor for acquiring biometric information of a driver who drives the vehicle,
Using biometric information of the driver, determining means for determining the fatigue degree of pre Kido driver,
Display control means for changing the display mode of the icon image showing the own vehicle included in the driving support information according to the degree of fatigue of the driver,
The display control means causes the icon image showing the own vehicle to blink in a shorter cycle as the driver's fatigue degree is higher, and the icon image showing the own vehicle as a longer cycle as the driver's fatigue degree is lower. Information display device for blinking display. An information presentation device comprising a display, which displays driving support information for supporting the travel of the own vehicle through the display,
A biometric sensor for acquiring biometric information of a driver who drives the vehicle,
Using biometric information of the driver, determining means for determining the fatigue degree of pre Kido driver,
Display control means for changing the display mode of the icon image showing the own vehicle included in the driving support information according to the degree of fatigue of the driver,
Information in which the display control unit enlarges and displays the icon image showing the own vehicle as the driver's fatigue degree is higher, and reduces and displays the icon image showing the own vehicle as the driver's fatigue degree is lower. Presentation device. An information presentation device comprising a display, which displays driving support information for supporting the travel of the own vehicle through the display,
A biometric sensor for acquiring biometric information of a driver who drives the vehicle,
Using biometric information of the driver, determining means for determining the fatigue degree of pre Kido driver,
Display control means for changing the display mode of the icon image showing the own vehicle included in the driving support information according to the degree of fatigue of the driver,
The display control means displays the icon image showing the host vehicle with a lower transparency as the driver's fatigue level is lower, and displays the icon image showing the host vehicle as the driver's fatigue level is higher. An information presentation device that displays at a high degree. An information presentation device comprising a display, which displays driving support information for supporting the travel of the own vehicle through the display,
A biometric sensor for acquiring biometric information of a driver who drives the vehicle,
Using biometric information of the driver, determining means for determining the fatigue degree of pre Kido driver,
Display control means for changing the display mode of the icon image showing the own vehicle included in the driving support information according to the degree of fatigue of the driver,
The display control means is an information presenting apparatus for displaying an icon image showing the own vehicle by swinging forward, backward, leftward, rightward, or downward when the degree of fatigue of the driver is less than a predetermined value. An information presentation device comprising a display, which displays driving support information for supporting the travel of the own vehicle through the display,
A biometric sensor for acquiring biometric information of a driver who drives the vehicle,
Using biometric information of the driver, determining means for determining the fatigue degree of pre Kido driver,
Display control means for changing the display mode of the icon image showing the own vehicle included in the driving support information according to the degree of fatigue of the driver,
The information presenting device, wherein the display control means bends and displays the icon image showing the own vehicle when the degree of fatigue of the driver is equal to or more than a predetermined value. The display control means reduces the display range of the image around the vehicle when the driver's fatigue level is equal to or higher than a predetermined value, and when the driver's fatigue level is lower than a predetermined value, The information presentation device according to any one of claims 7 to 11, wherein the display range of the image around the vehicle is enlarged and displayed. The biological information includes any one or more of heart rate data, blood pressure data, electrocardiographic data, respiratory data, body temperature data, sweating data, pupil data, electroencephalogram data, electrooculogram data and myoelectric potential data. The information presentation device according to claim 1. An information presentation device according to any one of claims 1 to 13,
A travel assistance system comprising: a travel assistance device that assists the travel of the own vehicle,
The traveling support device further includes a parameter changing unit that changes a parameter of the traveling support device based on biometric information of the driver,
The driving support system, wherein the display control means of the information presenting device causes the display to display the driving support information including the fact that the parameter has been changed when the parameter changing means has changed the parameter of the driving support device. An information presentation device according to any one of claims 1 to 13,
A travel support system comprising: a navigation device that supports travel of the vehicle,
The navigation device includes a search unit that searches for a recommended destination according to the biometric information of the driver.
The display support means of the information presentation device is a travel support system that displays the travel support information including information on the recommended destination on the display when the search means searches for a new recommended destination. A method used for an information presenting device, which includes a display and a biological information sensor, displays driving assistance information for assisting the traveling of the own vehicle through the display,
Using biometric information of the driver to drive the vehicle acquired from the biological information sensor, to determine the tension degree of pre Kido driver,
As the driver's degree of tension is higher, the icon image showing the host vehicle is blinked in a shorter cycle, and as the driver's degree of tension is lower, the icon image showing the subject vehicle is blinked in a longer cycle. .. A method used for an information presenting device, which includes a display and a biological information sensor, displays driving assistance information for assisting the traveling of the own vehicle through the display,
Using biometric information of the driver to drive the vehicle acquired from the biological information sensor, to determine the fatigue degree of pre Kido driver,
As the driver's fatigue level is higher, the icon image showing the host vehicle is blinked in a shorter cycle, and as the driver's fatigue level is lower, the icon image showing the host vehicle is blinked in a longer period. ..