WO2009093726A1 - 危険運転予防意識判定システムおよび危険運転予防意識判定方法 - Google Patents
危険運転予防意識判定システムおよび危険運転予防意識判定方法 Download PDFInfo
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- WO2009093726A1 WO2009093726A1 PCT/JP2009/051146 JP2009051146W WO2009093726A1 WO 2009093726 A1 WO2009093726 A1 WO 2009093726A1 JP 2009051146 W JP2009051146 W JP 2009051146W WO 2009093726 A1 WO2009093726 A1 WO 2009093726A1
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- movement
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/06—Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms
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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
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
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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
- A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
- A61B5/18—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state for vehicle drivers or machine operators
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/165—Anti-collision systems for passive traffic, e.g. including static obstacles, trees
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/113—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining or recording eye movement
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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
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/6803—Head-worn items, e.g. helmets, masks, headphones or goggles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6829—Foot or ankle
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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
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
- A61B5/6893—Cars
Definitions
- the present invention relates to a dangerous drive preventive awarenessrion check system and a dangerous drive preventive awareness determination method, and in particular, for example, a dangerous drive preventive awareness determination system for determining a driver's dangerous drive preventive awareness when a car approaches a dangerous place
- the present invention relates to a dangerous driving preventive awareness judging method.
- Patent Document 1 Japanese Patent Application Laid-Open No. 20002-33310 [B60K 28/06, A61B 3/113, 5/18. B60K 28/16, B60R 21/00]
- a technique is disclosed that estimates driving behavior intention from the driver's gaze direction frequency distribution detected by the eye mark recorder, the accelerator Z brake pedal operation amount, and the like.
- the Aima single recorder is only a large-scale, and it is impossible for the driver to use regularly in daily driving. Also, even if you have not operated the brake pedal, move the foot to the brake pedal before entering the intersection and have prepared for the event (hereinafter referred to as the "brake stance") and the accelerator People who do not move their feet from the pedals are considered to have a major difference from the perspective of dangerous drive prevention awareness. Focusing only on the amount of operation, it can not be judged whether or not the "brake stance" has been made.
- the main object of the present invention is to provide a novel dangerous driving preventive awareness judging system and a dangerous driving preventive awareness judging method.
- Another object of the present invention is to provide a dangerous driving preventive awareness judging system and a dangerous driving preventive awareness judging method capable of judging the left / right check operation and the brake stance without imposing much burden on the driver. It is to be.
- Another object of the present invention is to provide a dangerous driving preventive awareness judging system and a dangerous driving preventive awareness judging method capable of quantitatively measuring the dangerous driving preventive awareness of the driver.
- the present invention adopts the following configuration in order to solve the above-mentioned problems.
- the reference numerals in the parentheses, the supplementary explanation, and the like indicate correspondences with the embodiments to be described later in order to aid the understanding of the present invention, and do not constitute any limitation on the present invention.
- a first invention is a danger driving awareness determination system for determining the danger driving prevention awareness of a driver of a car to a dangerous place, which is a first motion detecting means for detecting the movement of the driver's head, Position detection means for detecting position data of a car, and when it is judged that the car has approached a dangerous place based on the position data detected by the position detection means, movement data detected by the first movement detection means Determining whether the visual confirmation operation has been performed or not, the first determination unit, and the alarm unit that issues an alarm when the first determination unit determines that the visual confirmation operation has not been performed; It is a system.
- the dangerous drive preventive awareness determination system (10) determines the dangerous drive preventive awareness of the driver of the vehicle for a dangerous place such as a no signal intersection or a frequent accident place, for example. Determines whether the visual confirmation operation has been performed.
- the first motion detection means (14) is for detecting the motion of the driver's head.
- the first motion detection means may be, for example, an angular velocity sensor or an acceleration sensor. When an angular velocity sensor is applied, the angular velocity sensor is mounted on the driver's head, for example by being attached to the hat (26) worn by the driver, and detects the rotation of the driver's head.
- Position detection means (12, 18 and S 1) detect position data of the vehicle.
- the position detection means is, for example, a GPS receiver, and Find the coordinates (latitude, longitude, altitude) of the current position of the car.
- the first judging means (12, S13, S41-S47) detects the movement detected by the first movement detecting means when it is judged that the car has approached the dangerous place based on the position data. It is determined based on the schedule whether or not the visual check operation has been performed.
- map data road data
- angular velocity data is detected as motion data, so it is determined whether a visual check operation has been performed based on the angular velocity data. Be done.
- the alarm means (12,22, S17-S21) issues an alarm when it is judged by the first judgment means that the visual confirmation operation has not been performed. Alarms are issued by sound output, image display or vibration output.
- the motion of the driver's head is detected using the motion detection means, it is possible to measure the driver's visual confirmation operation without applying a load on the driver. It can be easily determined whether the visual confirmation operation has been performed when the danger place is approached. Then, since the alarm can be issued when the visual check operation is not performed even when approaching the dangerous place, the driver can be prompted to perform the visual check operation and the driver's dangerous drive It can also raise awareness about prevention.
- a second invention is according to the first invention, and stores the image data of at least one of the outside of the vehicle and the inside of the vehicle when it is determined that the visual confirmation operation has not been performed by the first determination means.
- the system is further equipped with video data storage means, and it uses the dangerous driving preventive awareness judgment system.
- an imaging means (video camera 36a, 36b) capable of photographing at least one of an outside picture and an inside picture of a car is provided, and a first picture data storage means (12, S22) Stores the video data of the video shot by the shooting means.
- the second invention by reproducing the video data stored by the first video data storage means, it is possible to show the corresponding driver the situation (video) when the necessary visual confirmation operation is not performed. As this can be done, it is possible to urge the driver to perform the visual check operation even more strongly, and also to raise the driver's dangerous drive preventive awareness.
- a third invention is according to the first or second invention, and when the first judging means judges that the visual confirmation operation has not been performed, at least preserves the speech data of the sound in the car of the car. It is a dangerous driving preventive awareness judging system further comprising voice data storage means.
- a voice acquisition means (microphone 3 8) capable of acquiring at least the voice in the car of a car is provided, and the first voice data storage means (12, S 22) is the voice acquired by the acquisition means. Save voice data.
- the audio data stored by the first audio data storage means is reproduced. This makes it possible to notify the driver of the situation (sound) when the necessary visual check operation has not been performed, and thus the driver should be urged to perform the visual check operation even more strongly. In addition to being able to do this, it also helps raise the driver's awareness of dangerous driving.
- a fourth invention is a danger prevention awareness judging system according to the first invention, which is detected by a second motion detecting means for detecting a movement of a right foot of a driver, and a position detecting means.
- a second determination is made as to whether or not the braking stance has been performed based on the movement schedule detected by the second movement detection means.
- the alarm device further comprises: means for giving an alarm when it is judged by the second judging means that the brake has not been engaged.
- the second motion detection means (1 6) is for detecting the motion of the driver's right toe.
- the second motion detection means may be, for example, an angular velocity sensor or an acceleration sensor.
- the angular velocity sensor is mounted on the right foot tip where the driver performs an accelerator / brake operation, and detects the rotation of the driver's right foot tip. If the driver moves the right foot to the brake pedal (32) side, the angle speed to the left is detected, and if the driver moves the foot to the accelerator pedal (3 0) side, it moves to the same direction. Angular velocity is detected.
- the second determination means (12, S15, S61-S75) determines that the brake is determined based on the movement data detected by the second movement detection means when it is determined that the vehicle has approached the dangerous place. It is determined whether or not the stance of.
- an angular velocity sensor is applied as the second motion detection means, since angular velocity data is detected as motion data, it is determined based on the angular velocity data whether or not a braking stance has been performed.
- the alarm means also issues an alarm when it is determined that the brake has not been set.
- the movement detection means is used to further detect the movement of the driver's right toe, so that the driver's braking stance can be measured without applying a load to the driver. Yes, and it is easy to determine if the brake has been held when approaching a danger point. Then, when the driver does not hold the brake, the driver can be warned, so he can urge the driver to release the right foot from the accelerator and hold the brake. It can also raise awareness about prevention.
- a fifth invention is a danger driving preventive awareness judging system for judging the dangerous driving preventive awareness of the driver of the vehicle to the dangerous place, wherein the second motion detecting means for detecting the movement of the right toe of the driver.
- Position detection means for detecting position data of the vehicle, and when it is determined that the vehicle has approached the danger point based on the position data detected by the position detection means, the second motion
- the second judgment means for judging whether or not the brake is held based on the movement data detected by the motion detection means, and the second judgment means judge that the braking has not been carried out.
- It is a dangerous drive preventive intention judging system provided with an alarm means which emits an alarm when being driven.
- the dangerous drive preventive awareness determination system (10) is a driver for determining the dangerous drive preventive awareness of the driver of the vehicle to a dangerous place such as a no signal intersection or a frequent accident place, for example. Determines whether the driver has made the brake stance.
- the second motion detection means (16) is for detecting the movement of the driver's right toe.
- the second motion detection means may be, for example, an angular velocity sensor or an acceleration sensor. When an angular velocity sensor is applied, the angular velocity sensor is mounted on the right foot tip where the driver performs an accelerator operation to detect the rotation of the driver's right foot tip.
- Position detection means (12, 18,-S 1) detect position data of a car.
- the position detection means is, for example, a GPS receiver, and detects coordinates (latitude, longitude, altitude) of the current position of the vehicle.
- the second determination means (12, S15, S61-S75) determines that the vehicle is in the danger position of the vehicle, and determines that the brake based on the movement data detected by the second movement detection means. Determine if the company has been
- the information on the location of the dangerous place is stored in advance in the storage means (20) as, for example, map data (road data), and based on the map data and the position data, whether the car approaches the danger place It is judged whether or not.
- an angular velocity sensor is applied as the second motion detection means, angular velocity data is detected as a movement date, so it is determined whether or not a braking stance has been performed based on the angular velocity data. Be done.
- the alarming means (12, 22 and S17-S21) issues an alarm when it is judged by the second judging means that the holding of the brake has not been performed.
- the alarm is issued by sound output, image display or vibration output.
- the movement detection means is used to detect the movement of the driver's right toe, so that the driver's braking stance can be measured without applying a load on the driver. It is easy to determine if the brake has been held when approaching a danger point. And, when it is not possible to hold the brake, an alarm can be issued to the driver, so that the driver can be urged to release the right foot from the accelerator and hold the brake, and the driver's dangerous drive can be prevented. It can also raise awareness.
- a sixth invention is according to the fifth invention, and a second image for storing image data of at least one of the outside of the vehicle and the inside of the vehicle when it is determined by the second determination means that the brake has not been set. It is a dangerous driving preventive awareness judging system further provided with data storage means.
- an image pickup means video camera 36a, 36b
- a second picture data storage means (12, S22) Saves the video data of the video captured by that method.
- the sixth aspect of the invention by reproducing the video data stored by the second video data storage means, it is possible to show the corresponding driver the situation (video) when the user does not hold the necessary brake. Therefore, it is possible to urge the driver to hold the brake more strongly and also to raise the driver's dangerous drive preventive awareness.
- a seventh invention is according to the fifth or sixth invention, and a second voice storing at least voice data of voice in a car of the car when it is determined that the brake is not performed by the second judging means. It is a dangerous driving preventive awareness judging system further provided with data storage means.
- a voice acquisition means microphone 3 8) capable of acquiring at least the voice in the car of a car is provided, and the second voice data storage means (12, S 22) is the voice acquired by the acquisition means. Save voice data.
- the seventh invention by reproducing the voice data stored by the second voice data storage means, it is possible to inform the relevant driver of the situation (voice) when the user does not hold the necessary brake. As a result, the driver can be urged to hold the brake more strongly, and the driver's dangerous drive preventive awareness can be raised.
- An eighth invention is a danger judging system for judging the driver's dangerous drive preventive awareness of a car at a dangerous place according to the present invention, which is a first motion detecting means for detecting the movement of the head of the driver.
- Position detection means for detecting position data of the vehicle, Motion data detected by the first motion detection means when it is judged that the vehicle has approached the dangerous place based on the position date detected by the position detection means
- a dangerous driving preventive intention judging system comprising: first judging means for judging whether a visual check operation has been performed based on the first judging means and a recording means for recording the judgment result of the first judging means.
- the dangerous drive preventive intention judging system (1 0) is a first motion detecting means similar to the above-mentioned first invention in order to judge the driver's dangerous drive preventive attitude to the dangerous place. , Position detection means, and first determination means. In other words, this dangerous driving prevention system can determine whether the driver has performed a visual check operation when the car approaches a dangerous place. Further, the dangerous drive preventive intention judging system includes recording means (12, 24 and S23), and the recording means records the judgment result of the first judging means. According to the eighth aspect, as in the first aspect, movement of the head of the driver is detected using the movement detecting means. Therefore, the driver visually recognizes the driver without applying a load to the driver.
- the measurement of the confirmation operation can be performed, and it can be easily determined whether the visual confirmation operation has been performed when the danger point is approached. And, it is possible to record the judgment result of the visual check operation for the dangerous place. Therefore, it is possible to quantitatively measure the driver's dangerous drive prevention awareness, In addition, it can assess the driver's dangerous drive preventive awareness.
- a ninth invention is a dangerous drive preventive intention judging system according to the eighth invention, which is detected by a second movement detecting means for detecting a movement of a right toe of a driver, and a position detecting means.
- the second determination means is further configured to determine whether the braking stance has been performed based on the movement data detected by the second movement detection means.
- the recording means further records the judgment result of the second judgment means.
- the dangerous drive preventive intention judging system further includes a second motion detecting means and a second judging means similar to the above-mentioned second invention. That is, this dangerous drive preventive awareness determination system can further determine whether or not the vehicle has held the brake when it approaches the dangerous place. Then, the recording means further records the judgment result of the second judgment means.
- the movement detection means is used to detect the movement of the driver's right toe, so that the driver's braking stance can be further measured without applying a load to the driver. Yes, and it is easy to determine whether or not the brake has been held when approaching the danger point. Then, it is possible to record the judgment results of both the driver's visual check operation and the brake stance for the dangerous place. Therefore, it is possible to quantitatively measure the driver's danger and prevention awareness based on both the visual confirmation operation and the brake stance, and to evaluate the driver's danger prevention awareness.
- a tenth invention is a dangerous driving preventive awareness judging system for judging a dangerous driving preventive awareness of a driver of a car to a dangerous place, and a second motion detection for detecting the movement of the right toe of the driver.
- a recording means for recording the determination result of the second determination means based on the second determination means for determining whether or not the braking stance has been performed.
- the dangerous drive preventive intention judging system (1 0) includes the second motion detecting means, the position detecting means, and the second judging means similar to the above-mentioned fourth invention. That is, this dangerous drive preventive awareness determination system can determine whether the driver has set the brakes when the vehicle approaches the dangerous place. Furthermore, the tenth invention is provided with recording means (12, 24 and S 2 3), and the recording hand records the judgment result of the second judgment means.
- the movement detection means is used to detect the movement of the driver's right toe, so that the driver is not burdened. It was possible to measure the position of the brake and was it made when the danger point was approached 9 051146
- a first invention of the present invention is a dangerous driving preventive awareness judging system for judging a dangerous driving preventive awareness of a driver of a car with respect to a dangerous place, wherein the first motion detecting means for detecting the motion of the driver's head is used.
- Storage means for storing detected and recorded motion data, and position data of the vehicle detected and recorded by the fine detection device, motion data of the first motion detection means and position data of the vehicle
- First driving means for judging whether the visual confirmation operation has been performed when the position of the vehicle approaches the danger point, and result output means for outputting the judgment result by the first judging means It is a prevention awareness determination system.
- the dangerous drive preventive awareness determination system (10) determines the dangerous drive preventive awareness of the driver of the vehicle for the dangerous place such as a no signal intersection or a point where accidents frequently occur.
- the recorded data is retrospectively examined to determine whether the driver has performed a visual check.
- the storage means (12, 24) stores movement data of the driver's head, and recorded data including position data of the car.
- the head movement data is data detected and recorded by the first movement detecting means (14) for detecting the movement of the driver's head.
- the first motion detection means may be, for example, an angular velocity sensor or an acceleration sensor. When the angular velocity sensor is applied, the angular velocity sensor detects the rotation of the driver's head during driving and the angular velocity data is recorded as motion data.
- a schedule is stored. Further, the position data of the vehicle is data detected and recorded by a position detection device (18) such as a GPS receiver, for example.
- the first judgment means (12, S 1 0 9) determines whether or not the visual confirmation operation was performed when the vehicle approached the danger point based on the head movement data and the position data of the car. judge.
- the information on the location of the dangerous place is stored in advance in the storage means (12, 20) as map data (road data), for example, and based on the map data and the position data, the car is in danger. It is judged whether or not it has approached.
- the result output means (12, S 12 1) outputs the determination result by the first determination means.
- the determination result data may be output as a file or displayed on a display device, or an evaluation of the determination result may be output.
- the visual check operation for the dangerous place can be determined after the fact based on the recorded head movement data and the position data of the car, etc. Preventive awareness can be measured quantitatively.
- a twelfth aspect of the present invention is the dangerous drive preventive awareness semi-armor system according to the first aspect, wherein the storage means is detected by a second motion detection means for detecting the movement of the right foot of the driver.
- the stored motion data is further stored, and based on the motion data of the second motion detection means and the position data of the car, a braking stance is performed when the position of the car approaches a danger point.
- the apparatus further comprises a second determination means for determining whether or not it has been obtained, and the result output means outputs the determination result by the first determination means and the second determination means.
- the storage means further stores movement data of the driver's right toe.
- the movement data of the right toe is data detected and recorded by the second movement detecting means for detecting the movement of the right toe of the driver.
- the second motion detection means may be, for example, an angular velocity sensor or an acceleration sensor. When the angular velocity sensor is applied, the angular velocity sensor detects the rotation of the driver's right toe at the time of driving and the angular velocity data is recorded as movement data. It is memorized.
- the second judgment means (12, S1 1 3) is based on the movement data of the right toe and the position data of the car, whether the holding force S of the brake was performed when the position of the car approached the danger point Determine if it is not. By squarely examining the movement data of the right toe, it is possible to determine whether the driver holds the brake when approaching the danger point. Then, the determination result by the first determination means and the second determination means is output by the result output means.
- a thirteenth invention is a dangerous driving preventive awareness judging system for judging a dangerous driving preventive awareness of a driver of a car to a dangerous place, which is a second motion detecting means for detecting the movement of the right toe of the driver.
- Storage means for storing motion data detected and recorded by the vehicle and position data of the vehicle detected and recorded by the position detection device, movement data of the second motion detection means and position data of the vehicle
- a second determination means for determining whether or not the brake is held when the position of the vehicle approaches the danger point, and a result output means for outputting the determination result by the second determination means It is an awareness determination system.
- the dangerous drive preventive awareness determination system determines the dangerous drive preventive awareness of the driver of the vehicle to the dangerous place such as a no signal intersection or a frequent accident place. Analyze the recorded data ex post facto to determine whether the driver has made a braking stance.
- the storage means (12, 24) stores recording data including the movement data of the driver's right toe and the position data of the vehicle.
- the movement data of the right toe is data detected and recorded by the second movement detecting means (16) for detecting the movement of the right toe of the driver.
- the second motion detection means may be, for example, an angular velocity sensor or an acceleration sensor.
- the position data of the car is data detected and recorded by a position detection device (18) such as a GPS receiver, for example.
- the second determination means (12, S 1 1 3) Based on the movement data of the right toe and the position data of the car, it is determined whether or not the braking stance is performed when the car approaches the danger point. In addition, regarding the location of the dangerous spot
- the blue report is stored in advance in the storage means (12, 20) as map data (road data), for example. Based on this map data and position data, whether the car has approached a dangerous place or not Is judged. Then, by analyzing the movement data of the right toe, it is possible to determine whether or not the braking stance has been taken when the danger point is approached.
- Result output means (12, S 12 1) outputs the determination result by the second determination means. For example, the determination result data may be output to a file, displayed on a display device, or the evaluation of the determination result may be output.
- the thirteenth aspect of the present invention it is possible to determine the attitude of the brake to the dangerous place after the fact based on the recorded movement data of the right toe and the position data of the car, etc. It can measure and measure dangerous driving prevention awareness quantitatively.
- a fourteenth invention is the dangerous drive preventive intention judging system according to any one of the first to thirteenth inventions, wherein the motion detection means is an angular velocity sensor.
- an angular velocity sensor is applied as the movement detecting means, and the movement of the driver's head or right toe is detected by the angular velocity sensor. Therefore, it is possible to perform the visual check operation of the driver and measure the stance of the brake without applying a load to the driver, and whether or not the visual check operation or the stance of the brake was performed when approaching the danger point. It can be easily determined.
- a fifteenth invention is a dangerous driving preventive awareness judging method for judging a dangerous driving preventive awareness of a driver of a car to a dangerous place, which comprises: (a) a first movement detecting a movement of a head of the driver The movement data detected by the detection means is recorded, and (b) based on the movement of the first movement detection means, whether a visual confirmation operation has been performed when it is determined that the car has approached the danger point It is a dangerous driving preventive awareness judging method to judge whether it is not or not.
- the movement data of the first movement detection means for detecting the movement of the driver's head is recorded, and the visual confirmation operation is determined based on the movement data. It is possible to easily determine the visual check operation without applying a load.
- a sixteenth invention is a dangerous driving preventive awareness judging method for judging a dangerous driving preventive awareness of a driver of a car to a dangerous place, comprising: (a) a second movement detecting a movement of a right foot of the driver The movement data detected by the detection means is recorded, and (b) based on the movement data of the second movement detection means, it is determined whether or not the brake is held when it is determined that the car has approached the dangerous place. It is a dangerous driving preventive awareness judging method.
- the movement schedule of the second movement detection means for detecting the movement of the driver's right toe is recorded, and the stance of the brake is determined based on the movement data. It is possible to easily determine the braking stance without applying a load to the driver.
- a seventeenth invention is the dangerous drive preventive intention judging method according to the fifteenth or sixteenth invention, wherein the motion detection means is an angular velocity sensor.
- the angular velocity sensor is applied as the movement detecting means, it is possible to perform the visual confirmation operation of the driver and the measurement of the braking stance without applying a load to the driver.
- the eighteenth invention is a dangerous driving preventive awareness judging system for judging the dangerous driving preventive awareness of the driver of the vehicle to the dangerous place, and detects the driver's motion and outputs the operating schedule.
- Motion detection means position detection means for detecting position data of a car, and when it is determined that the car has approached a dangerous place based on the position data detected by the position detection means, motion data of the movement detection means.
- the dangerous drive preventive awareness determination system (10) is used to determine the dangerous drive preventive awareness of the driver of the vehicle to a dangerous place such as a no signal crossing point or a frequent accident place, for example. It is judged whether the person performed the danger avoidance or the preventive action.
- the motion detection means (1 4, 1 6) detects the driver's motion by detecting the motion of the driver's head and the motion of the right foot.
- the motion detection means may be, for example, an angular velocity sensor or an acceleration sensor.
- the angular velocity sensor When the angular velocity sensor is applied to detect the movement of the driver's head as the driver's movement, the angular velocity sensor is attached to the driver's head by being attached to the driver's hat (26), for example. It is worn and detects the driver's head rotation. If the driver turns to the left for visual confirmation, the angular velocity to the left is detected. If the driver turns to the right, the angular velocity to the right is detected. Therefore, the motion of the driver can be detected by detecting the rotation of the head using an angular velocity sensor.
- the angular velocity sensor When the angular velocity sensor is applied to detect the movement of the driver's right foot as the driver's movement, the angular velocity sensor is attached to the right foot tip where the driver performs the accelerator operation, and the driver's right foot tip Detect rotation. If the driver moves the right foot to the brake pedal (3 2) side, the angular velocity in this direction is detected, and if the right foot is moved to the accelerator pedal (3 0) side, the angular velocity to the right will be calculated. It is detected. Therefore, by detecting the rotation of the right toe using the angular velocity sensor, it is possible to detect whether the driver has moved the right foot toward the brake pedal, that is, whether the driver has held the brake or not. .
- Position detection means (12, 18 and S 1) detect position data of a car.
- the position detection means is, for example, a GPS receiver, which detects the coordinates (latitude, longitude, altitude) of the current position of the car.
- Judgment means (12, S13, S41-S47: 12; S15, S61-S75) is judged that the car has approached the dangerous place based on the position data.
- the motion detection hand Based on the movement data detected in the stage, it is determined whether or not the danger prevention or avoidance operation has been performed.
- the information on the location of the dangerous place is stored in advance in the storage means (20) as, for example, map data (road schedule), and the vehicle approaches the dangerous place based on this map data and position data. It is judged whether or not it is.
- the storage means (12, S 2 2) stores the image data of the image expanded by the shadowing means.
- a nineteenth invention is according to the eighteenth invention, further comprising alarm means for emitting an alarm when it is determined that the danger prevention operation has not been performed by the judgment means, a dangerous drive preventive intention judgment system.
- the alarm means (12, 22; S17-S21) issues an alarm when the judging means judges that the danger preventing operation has not been performed.
- Alarms are issued by sound output, image display or vibration output.
- a twenty-fifth invention is a dangerous drive preventive awareness determination system for determining a dangerous drive preventive awareness of a driver of a vehicle to a dangerous place, which detects a driver's motion and outputs motion data.
- a dangerous driving preventive intention judging system comprising a judging means for judging whether or not a car has been operated, and an alarming means for emitting an alarm when it is judged that the danger preventing operation has not been carried out by the judging means. It is.
- the dangerous drive preventive awareness determination system (10) is used to determine the dangerous drive preventive awareness of the driver of the vehicle for a dangerous place such as a no signal crossing point or a frequent accident place, for example. It is judged whether the person performed the danger avoidance or the preventive action.
- the motion detection means (1 4, 1 6) detects the driver's motion by detecting the motion of the driver's head and the motion of the right foot.
- the motion detection means may be, for example, an angular velocity sensor or an acceleration sensor. '
- the degree sensor is mounted on the driver's head, for example by being attached to the driver's hat (2 6), and detects the driver's head rotation. If the driver turns to the left for visual confirmation, the angular velocity to the left is detected. If the driver turns to the right, the angular velocity to the right is detected. Therefore, the motion of the driver can be detected by detecting the rotation of the head using an angular velocity sensor.
- the angular velocity sensor When the angular velocity sensor is applied to detect the movement of the driver's right foot as the driver's movement, the angular velocity sensor is attached to the right foot tip where the driver performs the accelerator and brake operation, and the driver's right foot tip turns To detect If the driver moves the right foot to the brake pedal (3 2) side, the angular velocity to the left is detected, and if the driver moves the right foot to the accelerator pedal (3 0) side, to the right An angular velocity is detected. Therefore, by detecting the rotation of the right toe using the angular velocity sensor, it is possible to detect whether the driver has moved the right foot toward the brake pedal, that is, whether the driver has held the brake or not. .
- Position detection means (12, 18 and S 1) detect position data of a car.
- the position detection means is, for example, a GPS receiver, which detects the coordinates (latitude, longitude, altitude) of the current position of the car.
- Judgment means (12, S13, S41-S4-7: 12, S15, S61-S75) is judged that the car has approached the dangerous place based on the position data.
- the information on the position of the dangerous cylinder is stored in advance in the storage means (20), for example, as map data (road data), and based on this map data and position data, whether the vehicle approaches the danger point It is judged whether or not.
- the visual inspection operation is not performed by the first determination means in the alarm means (12, 22 or S17-S21).
- Alarms are issued by sound output, image display or vibration output.
- the motion detection means is used to detect the driver's motion, it is determined whether or not the danger prevention or avoidance motion has been performed when the danger point is approached. It is possible. And since the alarm can be issued when the danger prevention or avoidance action is not performed even when approaching the danger point, the driver can be urged to perform the danger prevention or avoidance action, and the driver's danger It can also raise awareness on driving prevention.
- the motion detection means is used to detect the motion of the driver, it is possible to determine whether or not the danger prevention or avoidance operation has been performed when the danger point is approached. And since the alarm can be issued when the danger prevention or avoidance action is not performed even when approaching the danger point, the driver can be urged to perform the danger prevention or avoidance action, and It is also possible to raise awareness about dangerous driving.
- FIG. 1 is a block diagram showing the configuration of a dangerous drive preventive intention judging system according to an embodiment of the present invention.
- FIG. 2 is an illustrative view showing one example of an angular velocity sensor attached to a hat of a driver.
- FIG. 3 is an illustrative view showing one example of an angular velocity sensor attached to a tip of a driver's right foot.
- FIG. 4 is an illustrative view showing a situation where the driver's right foot is moved to the brake side.
- FIG. 5 is an illustrative view showing one example of road data included in map data.
- Fig. 6 is a chart showing an example of angular velocity data measured when the driver of safe driving is driving.
- FIG. 7 is a graph showing an example of angular velocity data measured when a non-safe driving driver drives.
- FIG. 8 is a flow chart showing an example of the operation of the dangerous drive preventive intention judging system.
- FIG. 9 is an illustrative view showing an operation determination area set to a dangerous place.
- FIG. 10 is a flow chart showing an example of the operation of the visual confirmation determination process of FIG.
- FIG. 11 is a flow chart showing an example of the operation of the brake stance determination process of FIG.
- FIG. 12 is a flowchart showing an example of the operation of another embodiment.
- FIG. 13 is an illustrative view showing an installation example of a video camera used in another embodiment of the present invention.
- FIG. 14 is an illustrative view showing one example of an image outside the car taken by the video camera of this embodiment.
- FIG. 15 is an illustrative view showing one example of an image in a car taken by a video camera of this embodiment.
- FIG. 16 is a block diagram showing the configuration of this embodiment.
- FIG. 17 is a flow chart showing an example of the operation of this embodiment.
- FIG. 18 is an illustrative view showing one example of an identification symbol attached to time information of an image in this embodiment.
- Fig. 19 is a graph showing an example of acceleration data measured when an acceleration sensor is attached to the right toe.
- the dangerous drive preventive intention judging system of this embodiment (hereinafter referred to simply as “system”) 10 indicates that the driver can visually check the left and right when the car approaches a dangerous place. This is to determine whether the driver has made a key position and to determine the driver's dangerous drive preventive awareness.
- the computer 12 is for performing overall control of the system 10, and may be a personal computer, a portable information terminal or the like, or may be a system of an electronic control unit of a car, or a car navigation system. It may be a computer of one system.
- the computer 12 includes a CPU, a ROM, a RAM, a communication device, and the like, which are not shown.
- the ROM stores control programs and data in advance.
- the RAM is used as a buffer memory and a buffer memory, and temporarily stores generated data, acquired data, and the like.
- the communication device transmits / receives data to / from each device such as an angular velocity sensor 14 16 connected to the computer 12.
- an angular velocity sensor 14 is applied to detect the movement of the driver's head, and an angular velocity sensor 16 is applied to detect the movement of the right toe of the driver.
- the angular velocity sensor 16 is As the sensor 14 and the angular velocity sensor 16, one capable of detecting an angular velocity of at least one axis may be used.
- a single axis angular velocity sensor, a two axis angular velocity sensor or a three axis angular velocity sensor may be used.
- the same sensor may be used as the angular velocity sensor 14 and the angular velocity sensor 16.
- the angular velocity sensors 14 and 16 detect angular velocity about a predetermined axis at predetermined intervals.
- the angular velocity sensors 14 and 16 have a communication function, and transmit detected angular velocity data to the computer 12 at regular intervals or at predetermined timings, for example.
- the angular velocity sensors 14 and 16 transmit and receive data to and from the computer 12 by near field communication such as Bluetooth (registered trademark).
- the angular velocity sensors 14 and 16 may be connected to the computer 12 by wire, it is preferable that they be connected wirelessly in order not to disturb the driver's driving operation. Yes.
- the angular velocity sensor 14 is mounted on the driver's head in order to detect the driver's visual confirmation operation. In the case of the visual confirmation movement to the left and right, it is possible that only the eyeball does not move. Therefore, by measuring the movement of the head, it is possible to estimate the change in the gaze direction without much load on the driver.
- a hat 2 6 is used in this embodiment as shown in FIG. 2, and the angular velocity sensor 14 is attached to, for example, the heel portion of the hat 26.
- Figure 2 shows the top view of the hat 26.
- the angular velocity sensor 14 is attached to the hat 26 so as to detect an angular velocity according to at least rotation about the vertical axis. If the driver wears the hat 26 with the angular velocity sensor 14 attached, it is possible to measure angular velocity data according to the rotation (turning) of the driver's head in the left and right directions, that is, The driver's head rotation, ie visual confirmation, can be detected and measured.
- the computer 12 analyzes the angular velocity data of the angular velocity sensor 14 to determine whether the driver has turned the face to the left or right, that is, whether the visual confirmation operation has been performed to the left or right. Can.
- the angular velocity sensor 14 may be attached to the head by other methods such as, for example, a hair band, a hairpin, a bandana, and a force tuner. Furthermore, in addition to direct mounting on the head, the head may be mounted using means such as piercings, earrings, glasses, a mask, and a nose ring. Also, as shown in FIG. 3, the angular velocity sensor 16 is mounted on the driver's right foot in order to detect the driver's braking stance. The angular position sensor 1 is considered to be an indicator to know whether the driver predicts a danger and is ready for the event or not. By attaching 6 to the tip of the right foot, it is possible to measure this dangerous driving preventive awareness.
- the angular velocity sensor 16 is attached to the driver's right toe, for example, using a band 28.
- the angular velocity sensor 16 may be attached to the right toe by another method.
- the angular velocity sensor 16 may be built in a toe portion of a driving shoe.
- FIG. 3 shows an angular velocity sensor 16 viewed from the driver.
- the angular velocity sensor 16 is attached to the driver's right toe so as to detect an angular velocity corresponding to at least rotation about the vertical axis.
- the counterclockwise direction is set in the positive direction and the clockwise direction is set in the negative direction in FIG.
- the driver's right foot is placed on the accelerator pedal 30.
- the right foot is returned to the accelerator pedal side 30. Since the movement between the accelerator pedal 30 and the brake pedal 32 involves rotation in the lateral direction, the driver holds the brakes by detecting the rotation of the right foot by means of the angular velocity sensor 16. Can be determined. As described above, it is possible to detect the head movement, that is, the driver's movement by the angular velocity sensor 14, and to detect the movement of the right foot, that is, the driver's movement by the angular velocity sensor 16. Therefore, these angular velocity sensors 14 and 16 function as motion detection means for detecting the driver's motion. Then, the angular velocity data from the angular velocity sensors 14 and 16 can be said to be operation data representing (the state of) human action.
- the position detection device 18 is for detecting the current position of the vehicle.
- the position detection device 18 includes a GPS receiver, and the GPS receiver receives signals from GPS satellites to calculate the coordinates (latitude, longitude, altitude) of the current location, and The position data including the coordinates of the position is output to the computer 12.
- the position detection device 18 may include an acceleration sensor mounted on a car, a vehicle speed sensor, an angular velocity sensor, and the like for position estimation where the signal from the GPS satellite can not be received.
- a force-navigation system installed in a car may be used as the position detection device 18 and a map database 20 described later.
- the map database 20 stores map data in advance.
- it may be an HDD including a magnetic disk storing map data, an optical disk drive including an optical disk storing map data, and the like.
- the computer 12 can determine whether the current position has approached the dangerous place based on the position data acquired from the position detection device 18 and the map data acquired from the map database 20.
- the map data stored in the map database 20 includes road data indicating information on roads and building data indicating information on buildings.
- Figure 5 shows an example of road data.
- Road data includes road surface data indicating information on intersection roads and information on roads (connections) between the intersections.
- intersection data includes information of a plurality of intersections, and the information of each intersection is stored in association with the identification information of the intersection (intersection ID).
- intersection data includes, for example, the coordinates of the intersection, the connected road, the presence or absence of a traffic light, an accident occurrence flag, and the like.
- the coordinates of the intersection include the latitude, longitude and altitude of the intersection.
- the road ID of the road connected to the intersection is registered.
- the computer 12 can identify the direction of the road connected to the intersection based on the information of the connected road, so if the intersection is a dangerous place, the road of the connected road The direction is set as the visual confirmation direction.
- “none” is registered as information on the presence or absence of a traffic light, that is, in the case of a non-signal intersection, the intersection is judged to be a dangerous place.
- the accident frequent occurrence flag is turned on for intersections requiring dangerous drive prevention awareness such as intersections where accidents frequently occur in the past. However, if information indicating ON is registered as the information on the frequent occurrence flag, the intersection is judged to be a dangerous place.
- the road data contains information on multiple roads, and the information on each road is divided into 3 ⁇ 43 ⁇ 4 information (road ID) of the road. It matches and is memorized.
- Road data includes, for example, the coordinates of the start point, the coordinates of the end point, the team members, and the coordinates of the point where accidents frequently occur.
- the coordinates of the start and end points are the coordinates (latitude, longitude, altitude) of the end points of the road. From the coordinates of the start point and the end point, the direction of the road can be calculated. In addition, since the width is registered together with the coordinates of the start point and the end point, the computer 12 can identify which road the car is on, and therefore, there is a danger point ahead of the road. It can be judged if it exists. In addition, coordinates (latitude, longitude, altitude) of frequent accident locations are registered when there is a place on the road where a dangerous drive preventive awareness is required such as a place where accidents frequently occurred in the past. It is done. This accident frequently occurring location is also judged as a dangerous location. Returning to FIG.
- the alarm device 22 is an output device for issuing an alarm to the driver when it is determined that the driver did not perform the necessary action when approaching the danger point. is there.
- a sound output device, a display device, a vibration output device, etc. may be provided.
- the alarm device 22 is provided in the case where the system 10 is configured to judge the dangerous drive preventive intention in real time and issue an alarm according to the judgment result.
- a warning sound, a warning sound, and the like are output from a speaker based on sound data, voice data, and the like stored in advance in the computer 12. Warning sounds, warning sounds, etc. may differ depending on the action not taken by the driver. For example, if the visual confirmation operation is not performed, a voice may be output to instruct visual confirmation in the direction (left, right, or both left and right) in which visual confirmation is necessary, and the brake is set. If not, you may output a voice instructing you to release the accelerator power and hold the brake.
- a warning image is displayed based on image data stored in advance in the computer 12.
- the warning image may be different depending on the operation not performed by the driver as well as the sound output described above.
- a car navigation system mounted in a car may be used as the sound output device and the display device.
- the vibration output device is, for example, built in a seat or attached to a driver to warn the driver by vibration.
- the vibration output device includes a vibration motor or the like, and outputs vibration in accordance with an instruction from the computer 12.
- the vibration pattern, strength, etc. may be different depending on the operation not performed by the driver.
- This alarm device 22 can issue a warning when the driver does not perform an operation for preventing a dangerous drive even when the vehicle approaches a dangerous place, and can thus prompt the user to perform a necessary operation. , The driver's dangerous drive prevention awareness can be raised.
- the operation data recording device 24 is a storage device for recording various data acquired during operation.
- the computer 12 records the position data detected by the position detection device 18 and the angular velocity data detected by the angular velocity sensors 14 and 16 in the operation data recording device 24.
- Position data, angular velocity data, and the like are stored, for example, in association with the obtained time. Alternatively, position data and angular velocity data may be associated and stored.
- data indicating the visual check for the dangerous part and the determination result of the stance of the brake may be recorded in the driving data recording device 24.
- the inventors used an actual vehicle at a non-signal intersection to investigate the extent to which the angular velocity sensors 14 and 16 can detect the left / right check operation and the "brake stance" which was conventionally difficult to measure.
- the angular velocity data is shown when operating in continuous intervals (both in the same interval). The horizontal axis in FIG. 6 and FIG.
- the foot can not be moved to the brake pedal 32 at all when crossing an intersection (without holding the brake), and can prepare for an emergency. It can be seen that When focusing only on the pedaling force, it is not known whether or not the brake is ready, but by using the angular velocity sensor 16 it is possible to detect the movement between the accelerator pedal 30 and the brake pedal 32 of the right foot. It can be determined whether the brake is ready.
- FIG. 8 shows an example of the operation of the main process of the computer 12 of the system 10.
- Fig. 8 shows a flowchart for the judgment of dangerous driving prevention awareness in real time.
- step S1 position data indicating coordinates (latitude, longitude, altitude) of the current position is acquired from the position detection device 18 and stored in the RAM. Then, in step S3, put on the head The angular velocity data detected by the angular velocity sensor 14 and the angular velocity data detected by the angular velocity sensor 16 attached to the right foot are respectively acquired and stored in the RAM.
- step S5 the acquired position data and angular velocity data are recorded in the operation data recording device 24.
- the position data and angular velocity data are stored in association with current time information acquired from a clock circuit built in the computer 12.
- step S7 it is determined whether or not there is a danger point ahead. For example, based on the current position and road data on the map, etc., the current road (road ID) is identified. As shown in Fig.5, since the coordinates and width of the start point and end point are registered in the road data, the area of each road can be calculated. Therefore, the current road can be identified by determining which road area contains the coordinates of the current position. Furthermore, the traveling direction of the car can be calculated from the change of the current position. Therefore, it is judged whether or not there is a danger point (coordinates of frequent accidents) by the end point (start point or end point) of the current road direction. Also, if the end point (start point or end point) of the current road direction is an intersection, the intersection data is referred to to determine whether or not there is a signalless intersection and the accident occurrence flag is on. Determine if it is or not.
- the determination of the presence or absence of the dangerous place in step S7 may be performed, for example, every time the road changes. Alternatively, the end of the current road may be approached to a certain distance when it approaches the end of the road.
- the operation judgment area of each danger point is set.
- the visual check operation and the brake stance need to be performed when the car approaches the danger point. Therefore, the visual check operation and the brake stance are performed when it is determined that the car approaches the danger point. It is judged whether or not the force is
- the movement determination area is used to determine whether the car has approached a dangerous place, and is also an area where a visual confirmation operation or a brake stance should be detected. Therefore, the motion judgment area is set in front of the danger point.
- a predetermined range before the danger point is set as the operation determination area.
- hazard prevention or avoidance actions such as visual confirmation and braking should be performed.
- a predetermined range may be set on the basis of the entrance line at the point of difference, taking into consideration the width of the road crossing at the intersection. As an example, a range of 2, 3 m-7, 8 m from the entrance may be set.
- the dangerous place is set on the road instead of the intersection, set a predetermined range based on the dangerous place.
- an appropriate distance is selected, which is judged that the visual check operation and the stance of the brake (danger prevention or avoidance operation) may be started to the dangerous place.
- the visual check operation or blur for the dangerous part is An appropriate distance is selected, which is judged to have ended the key stance (prevention or avoidance action).
- different regions are set according to the speed of the vehicle as this motion determination region. Specifically, when it is determined that the speed of the vehicle is fast (is equal to or higher than a predetermined value), The operation judgment area may be set at a position further away from the position of the danger point, while when the speed of the car is judged to be slow (less than a predetermined value), the operation judgment area is determined by the danger point. It may be set near.
- the speed of the vehicle is calculated from the change in the coordinates of the position detected by the position detection device 18 at predetermined time intervals. When the position detection device 18 includes a vehicle speed sensor, the speed detected by the sensor may be reduced.
- step S11 in FIG. 8 the visual confirmation direction of each danger point is set.
- the danger point is an intersection
- the intersection is a quadrilateral as shown in Figure 9
- both left and right directions are set.
- both left and right directions may be set, or depending on the topography and features of the danger point, left, right or both directions May be set.
- step S7 If "NO" in the step S7, that is, if there is no dangerous spot ahead, the process proceeds to the step S13.
- step S13 a process is performed to determine whether a visual check has been performed, which is one of the hazard prevention or avoidance operations.
- An example of the operation of the visual confirmation determination process is shown in FIG.
- step S41 in FIG. 10 it is determined whether or not the current position is within the motion determination area. For example, as described above, when setting the motion judgment area by the distance from the dangerous spot (or the intersection entrance), each dangerous spot (based on the coordinates of each dangerous spot and the coordinates of the current position) Alternatively, the distance between the intersection entrance) and the current position is calculated, and it is determined whether the calculated distance is a value between the upper limit value and the lower limit value of the distance defining each movement determination area. to decide.
- step S41 If "NO" in the step S41, the current position is not within the operation determination area, so the visual confirmation determination process is finished as it is, and the process returns to the step S15 in FIG. Since the visual confirmation operation for the dangerous part needs to be performed in the movement determination area, when the current position is not in the movement determination area, analysis of angular velocity data of the head is not performed.
- the angular velocity data of the head detected after entering the motion determination area is analyzed at step S43.
- the angular velocity sensor 14 mounted on the head detects the angular velocity toward the target direction. Therefore, it analyzes the angular velocity data of the head after entering the motion judgment area, and tries to detect the rotation in the set visual confirmation direction.
- step S45 whether or not the rotation in the visual confirmation direction is detected, that is, It is determined whether the danger preventing operation or the danger avoiding operation has been performed. For example, if the visual confirmation direction is the left direction, it is determined whether or not a rotation equal to or more than a predetermined angle to the left is detected. Also, if the visual confirmation direction is the right direction, it is determined whether or not a rotation equal to or more than a predetermined angle in the right direction has been detected. When the visual confirmation direction is in both the left and right directions, it is determined whether or not both the rotation of the predetermined angle to the left and the rotation of the predetermined angle to the right are detected.
- the head In the case of visual confirmation in both the left and right directions, the head is rotated from the state of being rotated by a predetermined angle or more in the first direction to the »direction. Therefore, as the subsequent rotation, the head was rotated in the first direction. It is necessary to detect the rotation from the state to the front and the rotation from the front toward a predetermined angle.
- step S45 it is determined that the necessary visual check operation (risk avoidance operation or risk prevention operation) has been performed, so that it is stored in a predetermined area of RAM in step S47. Turn on the visual confirmation flag.
- the necessary visual confirmation operation the danger avoiding operation or the danger preventing operation
- the visual confirmation / judging process is ended, and the step of FIG. Return to S15.
- step S15 in FIG. 8 a brake stance determination process, which is one of the danger avoidance operation and the danger prevention operation, is executed.
- An example of the operation of this brake stance determination process is shown in FIG.
- the action of holding the brake corresponds to a state in which the right foot is on the brake pedal 32 side so that the brake pedal 32 can be stepped on immediately if it should. Therefore, in this embodiment, it is always determined whether the position of the right foot is on the brake pedal 32 side or on the accelerator pedal 30 side. If the position of the right foot is on the side of the brake pedal 32 when the current position is within the motion determination area, the brake is held, that is, the danger avoidance operation or the danger prevention operation is performed. I try to think.
- angular velocity data of the right foot for a predetermined time immediately before is analyzed.
- the angular velocity sensor 16 mounted on the right foot moves leftward or rightward. An angular velocity is detected. Therefore, we try to detect the rightward or leftward rotation by analyzing the angular velocity data of the right foot for a certain period of time immediately before.
- step S63 it is determined whether a rightward rotation has been detected. For example, it is determined whether or not a rotation angle having a negative sign and an absolute value equal to or greater than a predetermined value is detected. If “YES” in this step S63, it can be determined that the driver has moved the right foot to the accelerator pedal 30 side, so the accelerator is stored as the position of the right foot in step S65. On the other hand, if "N" in step S63, the process proceeds directly to step S67.
- step S67 it is determined whether a leftward rotation has been detected. For example, it is determined whether or not a rotation angle with a positive sign and an absolute value equal to or greater than a predetermined value is detected. If “YES” in this step S67, it can be determined that the driver has moved the right foot to the brake pedal 32 IJ. Therefore, in step S69, the brake is stored as the position of the right foot. On the other hand, if "NO” in the step S67, the process directly proceeds to the step S71. In step S71, it is determined whether the current position is within the motion determination area. If “NO” in the step S71, it is not necessary to determine the brake stance, so the brake stance judging process is finished, and the process returns to the step S17 in FIG.
- step S71 determines whether or not the brake is held. That is, in step S73, it is determined whether or not the position of the right foot is the brake, that is, whether the danger preventing operation or the danger avoiding operation has been performed. If “YES” is determined in step S73, it can be determined that the camera is ready (prevention operation or danger avoidance operation), so that it is stored in a predetermined area of the RAM in step S75. Turn on the brake position flag. On the other hand, if "NO" in the step S73, since the brake stance can not be detected, the brake stance judging process is ended as it is, and the process returns to the step S17 in FIG.
- step S17 it is determined whether the current position is out of the motion determination area. For example, it is determined whether or not the distance between the dangerous place or the intersection entrance) and the current position is smaller than the lower limit of the distance defining the motion determination area. That is, in step S17, it is determined whether it is time to finally determine whether the necessary action has been performed on the dangerous place. If "N" in step S17, the process returns to step S1.
- step S17 it is determined in step S19 whether or not the visual confirmation flag is "on", "on” or "on”. If “N” in step S19, that is, if it is determined that the vehicle is trying to reach a dangerous place without performing the necessary danger avoidance or preventive action, the alarm processing is performed in step S21. Run. As a result, the alarm device 2 2 outputs a warning sound, displays a warning image, and outputs a vibration.
- step S19 data indicating the result of visual confirmation and the brake stance for the dangerous place is recorded in the operation data recording device 24. For example, information indicating whether or not visual confirmation has been performed in association with the coordinates of the dangerous spot (identification information), information indicating whether or not the brake is held, and information on marking information Record etc. After completing step S23, the process returns to step S1.
- the angular velocity sensors 14 and 16 are used to detect the visual confirmation operation and the braking stance to determine whether the danger avoidance or the prevention operation has been performed.
- the driver's dangerous driving preventive awareness can be checked one by one, and a warning is issued in real time. 9 051146
- step S 21 and step S 23 in FIG.
- the system 10 includes both the alarm device 22 and the operation data recording device 24.
- the system 10 may include the alarm device 22 or the operation data recording. Only one of the devices 24 may be provided.
- the system 10 becomes an alarm system that issues an alarm in real time according to whether or not the operation for preventing dangerous driving is performed, while the system 1 1 in the case of only the operation data recording device 2 4 0 is a recording system that records whether or not actions have been taken to prevent a dangerous drive.
- the visual confirmation operation and the brake stance are determined in real time, but in the other embodiments, data recorded during operation is analyzed by post-processing to avoid danger.
- a preventive action such as a visual check action and a brake stance may be determined.
- the same processing as in FIG. 8 may be executed afterward to read out and sequentially judge the recording data, but another angular processing as shown in FIG. 12 is to be executed. May be
- This post-analysis process may be performed by the computer 12 of the system 10 of FIG.
- the recorded data (angular velocity data and position data) of the operation data recording device 24 may be taken out and taken into another computer, and this analysis processing may be executed by the computer.
- this computer needs to store map data (road data) of the map database 20 or be able to obtain map data from the map database 20.
- the recording data is read out to the RAM.
- the recording schedule includes angular velocity data of the head recorded during driving, angular velocity data of the right toe and position data of the vehicle. Note that the angular velocity data and position data are time-series data because they are detected at fixed time intervals.
- the danger point on the movement route is extracted.
- the movement route can be identified based on the detected position data and the road data, and therefore, the dangerous place existing on the moving road can be extracted from the road data.
- step S 105 among the extracted hazards, the first hazard on the route is set as a survey target. Whether visual inspection and braking have been done for the set hazard hall, that is, whether the necessary hazards or prevention actions have been taken. Determine if.
- step S107 an operation determination area of the dangerous place is set.
- the process of step S107 is the same process as step S9 of FIG. 8 described above.
- step S 1 0 9 set the visual confirmation direction of the hazard area.
- step S 1 0 9 is the same process as step S 11 described above.
- step S11 1 a visual confirmation determination process is performed on the dangerous place.
- This visual check and determination process is almost the same process as the visual check and determination process of FIG. 10, but since it is not a real time process, the determination of step S 41 in FIG. 10 is unnecessary.
- angular velocity data of the head detected in the motion determination area is analyzed. Since the angular velocity data is recorded using time information or directly in association with the position data, only the angular velocity data detected in the motion determination area can be extracted. If rotation in the visual confirmation direction is detected by the horned acupuncture and moxibustion, the visual confirmation flag is turned on, assuming that visual confirmation (risk avoidance or preventive action) has been performed in the I ⁇ direction. Make it
- step S113 the brake stance determination process is executed for the dangerous place. Specifically, the angular velocity data of the right foot detected in the motion determination area is analyzed. Then, when a predetermined rotation in the left direction is detected, it is considered that the position of the right foot has been moved to the brake side, that is, that the danger avoidance or prevention operation has been performed, and the brake stance flag is set. The However, if it is not possible to detect rotation in either the left or right direction by analyzing the angular velocity variation of the right foot in the motion determination area, that is, it is determined that the driver did not move the right foot in the motion determination area.
- the process of analyzing the angular velocity data of the right foot for example, for a fixed time is repeated until the predetermined rotation in the left or right direction is detected, and the position of the right foot is specified. If it is determined that the position of the right foot is on the brake side, the brake position flag is turned on, assuming that the user is holding the brake, that is, that the danger avoidance or prevention operation has been performed.
- step S115 the visual check for the dangerous place and the determination result of the brake stance are recorded in the RAM.
- information indicating whether or not visual confirmation in the set direction has been performed in association with the coordinates of the dangerous spot identification information
- information indicating whether or not the stance of the brake has been performed etc.
- step S117 it is determined whether all the dangerous spots have been investigated. If "NO”, the next dangerous spot is set as a survey target in step S119. Then, the process returns to step S1107, and the process for the visual check operation for the dangerous place and the determination of the stance of the brake is executed.
- step S 1 1 7 the result is output in step S 1 2 1.
- data including the determination result for a steep spot is generated and output as a file, or the determination result is displayed on a display device.
- a process of evaluating the driver's dangerous drive preventive intention may be further executed to output the Mf value result.
- this kokushin acupuncture process is finished.
- angular velocity sensors 14 and 16 are attached to both the driver's head and the right toe, and both angular velocity data are recorded, and visual confirmation operation is performed.
- attribute information of the risk area is stored in the map data, and only the visual confirmation operation is determined for each risk area.
- only one of the visual confirmation operation and the brake stance is determined by mounting only one of the angular velocity sensor 14 on the head or the angular velocity sensor 16 on the right foot in the driver. You may
- the brake stance flag is turned on, that is, the brake stance is performed. It was determined that it would have been determined (see Figure 11).
- the brake stance flag may be turned on. That is, when the driver leaves the right foot on the brake side when the vehicle moves out of the movement determination area, it may be determined that the braking stance has been performed.
- these judgment conditions may be used properly depending on, for example, the attribute (risk degree) of the dangerous place.
- FIG. 13 is an illustrative view showing one example of a state in which a video camera and a microphone used in a third embodiment of the present invention are installed in a car.
- a video camera and a microphone used in a third embodiment of the present invention are installed in a car.
- an image obtained by photographing at least the condition outside the vehicle and the condition inside the vehicle before and after passing the danger point is stored.
- the image to be stored may be only the image outside the car or the image inside the car.
- the image is a moving image in the embodiment, but may be a still image captured intermittently or a continuous still image.
- video cameras 3 6a and 3 6b are mounted at an appropriate place inside the car 34, for example, on a rear view mirror 35 in the car, in order to take pictures. . Since the video camera 3 6 a is directed to the front of the car 3 4, as shown in Fig. 1 4, outside the car We look at picture 4 0. Since the video camera 3 6 b is directed to the rear of the car 3 4 (inside the car), the picture 4 2 in the car as shown in Fig. 1 5 is taken. The driver in this in-vehicle picture 42 is wearing a hat 26 as shown in FIG.
- the angle of view or the angle of view of the video cameras 3 6 a and 3 6 b may be set arbitrarily, in the embodiment, as an example, the angle of view of about 140 degrees as the camera 36 a for shooting outside a car Using a camera, use a camera of approximately 170 degrees as a camera for vehicle interior 3 6 b.
- these video cameras 36 a and 36 b may be infrared power cameras, and switch between normal power camera functions and infrared power camera functions You may make it use the camera which can.
- a microphone 38 is provided with these video cameras 36 a and 36 b. This microphone 38 is mainly for picking up and recording the sound in the car. There is no microphone for outside the vehicle in this example, as the sounds outside the vehicle are difficult to distinguish from other sounds, but if necessary, another microphone (not shown) may be provided for recording the vehicle outside. .
- the locations of the video cameras 3 6 a and 3 6 b and the microphones 3 8 may be set anywhere as long as their intended purpose can be achieved.
- FIG. 16 The configuration of the third embodiment is shown in FIG. 16 is the same as the configuration shown in FIG. 1 except for the following points.
- the images taken by the video cameras 3 6 a and 3 6 b are input to the computer 12 as a B-center image data via a direct interface (not shown). Also, the voice acquired by the microphone 38 is similarly input to the computer 12 as voice data via the interface.
- a storage area or a recording area for storing the above-mentioned video data and audio data is set in the operation data recording device 24 although not particularly shown.
- the computer 12 is connected to the video camera 36a and the unshown room via the not-shown room.
- 3 6 b Activate the microphone 3 8. Therefore, the video camera 3 6 a, 3 6 b and the microphone 3 8 are activated simultaneously with the start of the dangerous drive preventive awareness determination operation, and from that point on, the data of the outside picture 40 shown in FIG. Data of in-vehicle video 42 Further, audio data is recorded or stored in a first predetermined area of the driving data recorder 24.
- step S1 the computer 12 acquires position data.
- steps S 1 -S 2 3 of FIG. 17 are the subroutines of steps S 13 and S 15 (FIG. 10 and FIG. 1 except that step S 22 is added). It is the same as step S 1-S 2 3 in Fig. 8 including 1), and duplicate explanations are omitted here.
- step S13 it is determined whether or not the visual confirmation operation has been performed in step S13, that is, whether the danger avoidance or prevention operation has been performed, and whether or not the brake stance has been held in step S15. It is determined whether a driving avoidance or preventive action has been performed.
- the visual confirmation flag is turned on if the visual confirmation operation has been performed, otherwise the visual confirmation flag is turned off. If the brake is on, the brake on flag is turned on, otherwise the brake on flag is off.
- step S19 in FIG. 17 it is determined in step S19 in FIG. 17 whether the visual confirmation flag is on and whether the brake stance flag is on. If "NO" in step S19, that is, if it is determined that the vehicle is trying to reach a dangerous place without performing the necessary risk aversion or preventive action, the alarm processing is performed in step S21. Run. As a result, the alarm device 22 outputs a warning sound, displays a warning image, and outputs a vibration.
- step S22 the computer 12 stores the outside video and the inside video of the video cameras 3 6a and 3 6b.
- this step S 22 is a video data storage unit (first video data storage unit or second video data storage unit), and further, an audio data storage unit (first audio data storage unit or second audio data storage unit). Configure).
- the computer 1 2 records the outside video and in-car video data from the video cameras 3 6 a and 3 6 b activated in step S 0 and the audio data from the microphone 3 8 as well.
- the first predetermined area of the apparatus 24 is recorded or stored.
- the operation determination area is set in step S9. Therefore, in this step S 22, for example, the video cameras 3 6 a and 3 6 until the vehicle passes through the motion determination area set in step S 9 and “NO” is determined in step S 19.
- Data of the image outside the vehicle and the image of the in-vehicle image from b and the audio data from the microphone 38 are recorded in a second predetermined area of the driving data recording device 24.
- the outside video image data and in-car video data and audio data recorded in the second predetermined area can not be overwritten and deleted. Therefore, unless it is deleted by a predetermined method, the driving data recording apparatus It is stored in the second predetermined area of 2 4.
- the video and sound picked up by the video camera are stored as data until passing through the movement determination area. Therefore, it is possible to make the driver clearly understand that he or she did not take the danger avoidance or preventive action by later reproducing the video data and audio data to show or tell the driver.
- the video data and audio data to be stored in step S 22 are not limited to the data within the period of passing through the operation determination area, and, for example, before performing step S 22 It may be data within a time-dependent period such as 3 minutes and 1 minute.
- the storage of the video data and the audio data in this step S22 may be performed in another format.
- the video data and the audio data acquired from step S 0 are continuously recorded in the first predetermined area of the driving schedule recording device 24.
- the meta information for example, position data of the vehicle acquired from the position detection device 18 is recorded, and time data acquired from a clock circuit (not shown) is recorded as a time stamp.
- This timestamp is recorded at an arbitrary time interval, such as 30 seconds.
- Such a timestamp 44 is illustrated in FIG.
- the top line in Figure 18 shows the time data "20 081212100000", which means, for example, 12:00:00 on December 12, 2008, and the next line shows 30 seconds.
- Time data "20081212100030” is recorded.
- the time schedule "200812 12100730" is recorded.
- the above “another form” is to add an identification mark 46 shown by shading in FIG. 18 to such time stamp time data.
- an identification mark 46 is added to the time schedule from “20081212100300” to “20081212100700”. Therefore, by looking at the identification mark 46, it is possible to easily find out the recording place in the driving data recording apparatus 24 where the video data and audio data are recorded when the danger avoidance or the preventive action is not performed. Then, if the video data and audio data stored in the driving data recording device 24 are designated and reproduced, the driver is notified of the driving situation in which the danger prevention or avoidance operation is not performed in the time period indicated by these two time data. It can be made to recognize.
- the video cameras 36a and 36b are used to save both the image outside the vehicle and the image inside the vehicle, but the image data to be saved is the image outside the vehicle and It may be video data of at least one of the video in the car.
- audio data is stored together with video data, but audio data may not be stored. In that case, the microphone 38 can of course be omitted.
- step S21 in FIG. 17 or to omit step S23 it is also conceivable to omit step S21 in FIG. 17 or to omit step S23. This is because it is possible to instill danger awareness in the driver only by storing the video data when the danger prevention or avoidance operation is not performed.
- step S19 when "NO" is determined in step S19, that is, when both the visual confirmation flag and the brake stance flag are off as a result of the processing in each of steps S13 and S15. S 22 was implemented. However, as a modification of the third embodiment, if at least one of the visual confirmation flag and the brake preparation flag is off, then 2009/051146
- Steps S21 and S22 may be performed.
- step S 21 can be modified to execute only when both flags are off, and step S 22 can be changed to execute even if one of the two flags is off.
- step S 2 2 may be performed only when both of the two flags are off, and step S 2 1 may be changed to execute even when one of the two flags is off.
- an image or a microphone inside or outside the vehicle photographed by the video camera 36 is detected. This is an example of storing voice data of the inside and outside of the vehicle collected in the above to contribute to safe driving education of not only the driver but also other drivers.
- the process of reading out the recording data is performed in the first step S101 of FIG. 12.
- the recording data is captured by the video camera 36 of FIG. Includes video data of the inside and outside of the car and audio and audio data collected by the microphone 38. That is, in the fourth embodiment, the recording data is acquired using the configuration of FIG. Therefore, in this embodiment, the recording data recorded in the first predetermined area of the operation data recording device 24 includes not only angular velocity data and position data, but also video data and audio data.
- step S 1 1 1 a visual confirmation judgment process is executed to determine whether one of the danger avoidance or prevention actions has been visually confirmed, and in step S 1 1 3 one of the danger avoidance or prevention actions. Executes the brake stance judgment process to determine whether one has been in the brake stance.
- each step S11 For example, when at least one of the visual confirmation flag and the brake holding flag is not turned on as a result of the processing of 1 and S 1 1 3, for example, the vehicle determines the operation determination area set in step S 1 0 7 (FIG. 1 2). Data from outside the car and from pictures in the car and audio from the microphone 38 from the video camera 3 6a and 3 6b until the judgment result of each step S1 1 1 and S 1 1 3 is obtained after passing The data may be stored in the second predetermined area of the driving schedule recording device 24 or, alternatively, identification symbols as shown in FIG. 18 may be stored.
- the angular velocity sensors 14 and 16 are used to detect the movement of the driver's head and right toe in the above-described embodiments, another detection device is used in other embodiments. Being done It is also good. For example, it is also possible to use a caro speed sensor. Since the acceleration changes in accordance with the driver's visual confirmation operation and the brake stance, visual confirmation operation and brake are performed by squaring the head's caro speed data and the right toe's acceleration data as motion data. It is possible to determine whether or not a stance has been made.
- the head acceleration sensor is attached to detect at least the acceleration in the left and right direction of the head.
- movement in the left or right direction is detected based on the acceleration data of the head, it can be determined that the visual confirmation operation in the left or left direction has been performed.
- the acceleration sensor at the right toe is attached so as to detect at least the acceleration in the left and right direction of the right toe. If movement to the left is detected based on the acceleration data of the right toe, it can be determined that the right foot has been moved to the brake pedal 32 side, that is, holding the brake It can be judged as a thing. In addition, when movement to the right is detected, it can be determined that the right foot has been moved to the accelerator pedal 30 side.
- Figure 19 shows the acceleration data when the movement of the right foot is measured using a force and speed sensor instead of the angular velocity sensor 16.
- the horizontal axis is time
- the vertical axis is acceleration (mG), which indicates acceleration in the lateral direction (X-axis direction). Note that the experiment results in a different course from the experiments in Fig. 6 and Fig. 7 described above. As shown in Fig.
- the sensor inclination changes as the foot is moved, and along with this, the gravity acceleration component applied in the X-axis direction changes and mixes in as a noise like a sine wave.
- a 2-axis acceleration sensor or a 3-axis acceleration sensor may be used as an acceleration sensor for detecting the movement of the right toe. It is desirable to apply and remove noise due to sensor tilt to detect movement of the right toe.
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Abstract
Description
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CN2009801028124A CN101952868A (zh) | 2008-01-22 | 2009-01-20 | 危险驾驶预防意识判定系统及危险驾驶预防意识判定方法 |
EP09703655.2A EP2246831B1 (en) | 2008-01-22 | 2009-01-20 | Dangerous drive preventive intention judgment system and dangerous drive preventive intention judgment method |
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JP2008011239 | 2008-01-22 | ||
JP2008-011239 | 2008-01-22 | ||
JP2008318057A JP5499277B2 (ja) | 2008-01-22 | 2008-12-15 | 危険運転予防意識判定システムおよび危険運転予防意識判定方法 |
JP2008-318057 | 2008-12-15 |
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PCT/JP2009/051146 WO2009093726A1 (ja) | 2008-01-22 | 2009-01-20 | 危険運転予防意識判定システムおよび危険運転予防意識判定方法 |
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EP (1) | EP2246831B1 (ja) |
JP (1) | JP5499277B2 (ja) |
KR (1) | KR20100114044A (ja) |
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WO (1) | WO2009093726A1 (ja) |
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KR101979863B1 (ko) * | 2017-12-29 | 2019-08-28 | 경일대학교산학협력단 | IoT 기반 스마트 장치를 이용한 안전 운전 서비스를 제공하기 위한 시스템, 이를 위한 방법 및 이 방법을 수행하는 프로그램이 기록된 컴퓨터 판독 가능한 기록매체 |
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Also Published As
Publication number | Publication date |
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KR20100114044A (ko) | 2010-10-22 |
JP2009199583A (ja) | 2009-09-03 |
EP2246831A4 (en) | 2014-12-03 |
JP5499277B2 (ja) | 2014-05-21 |
CN101952868A (zh) | 2011-01-19 |
EP2246831A1 (en) | 2010-11-03 |
EP2246831B1 (en) | 2016-01-06 |
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