WO2022201446A1 - 運転判定システム、運転判定方法、記録媒体 - Google Patents
運転判定システム、運転判定方法、記録媒体 Download PDFInfo
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- WO2022201446A1 WO2022201446A1 PCT/JP2021/012609 JP2021012609W WO2022201446A1 WO 2022201446 A1 WO2022201446 A1 WO 2022201446A1 JP 2021012609 W JP2021012609 W JP 2021012609W WO 2022201446 A1 WO2022201446 A1 WO 2022201446A1
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- 238000000034 method Methods 0.000 title claims description 9
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 238000011156 evaluation Methods 0.000 claims description 60
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 21
- 230000001133 acceleration Effects 0.000 description 20
- 230000006870 function Effects 0.000 description 5
- 238000010801 machine learning Methods 0.000 description 4
- 238000004590 computer program Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 241001122315 Polites Species 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
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- 230000003203 everyday effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
- B60W40/09—Driving style or behaviour
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2552/00—Input parameters relating to infrastructure
- B60W2552/20—Road profile
Definitions
- the present disclosure relates to a driving determination system and the like for determining driving of a vehicle.
- Patent Literature 1 discloses a system for estimating road conditions from vehicle driving operation conditions and determining dangerous driving.
- Patent Literature 2 discloses a system that uses the difference between a reference model and a driver's driving operation as an evaluation value, and encourages a driver below a certain evaluation value to take actions that bring the model closer to the reference model.
- Patent Literature 3 discloses a system that evaluates safe driving by comparing driving details with other drivers at the same point. Such a driving evaluation may be provided to a manager who manages the driver and used as a work evaluation for each driver.
- the vehicle that is determined to have decelerated suddenly may include, for example, the driver's sudden deceleration of the vehicle in order to avoid a crisis caused by a pedestrian or animal jumping out. If such crisis avoidance driving is evaluated as dangerous driving, the driver's motivation will decrease.
- One of the purposes of the present disclosure is to provide a driving determination system and the like that can estimate the factors of dangerous driving detected from vehicle sensor information.
- One aspect of the driving determination system of the present disclosure includes a detection unit that detects dangerous driving of the vehicle based on sensor information of the vehicle, and the dangerous driving is detected based on image information of the inside or outside of the vehicle. and a determination unit that determines whether the detected dangerous driving is unavoidable driving according to the detected driving conditions.
- One aspect of the driving determination method of the present disclosure is to detect dangerous driving of the vehicle based on sensor information of the vehicle, and to detect the dangerous driving based on image information of the inside or outside of the vehicle.
- a driving condition related to driving of the vehicle is detected, and it is determined whether the detected dangerous driving is unavoidable driving according to the detected driving condition.
- One aspect of the program stored in the storage medium of the present disclosure detects dangerous driving of the vehicle based on sensor information of the vehicle, and detects the dangerous driving based on image information of the interior or exterior of the vehicle.
- a computer is caused to detect a driving situation related to driving of the vehicle when the vehicle is in a state of unavoidable driving, and to determine whether the detected dangerous driving is unavoidable driving according to the detected driving situation.
- FIG. 10 is a diagram showing an example of a driving situation based on sound image information
- FIG. 10 is a diagram showing an example of risky driving factors estimated from driving conditions based on image information and determination
- FIG. 10 is a diagram showing factors of dangerous driving estimated based on the driving situation based on sound information and an example of determination
- FIG. 10 is a diagram showing factors of dangerous driving estimated based on the driving situation based on sound information and an example of determination
- FIG. 3 is a diagram showing an example of driving conditions based on image information or sound information and determination of good driving; It is a figure which shows the example of driving information.
- FIG. 4 is a diagram showing an example of evaluation information indicating evaluation of driving by a driver; It is a figure which shows the example of a display when unnecessary dangerous driving is superimposed on map information. It is a figure which shows the display information which identifies unnecessary dangerous driving and unavoidable driving. It is a figure which shows the example which superimposes unnecessary dangerous driving and unavoidable driving on map information, and displays it.
- 4 is a flowchart showing an example of operation of the driving determination system according to the first embodiment;
- FIG. 7 is a block diagram showing an example of the configuration of a driving determination system according to a second embodiment;
- FIG. 9 is a flow chart showing an example of the operation of the driving determination system according to the second embodiment; It is a block diagram which shows the hardware constitutions of a computer.
- FIG. 1 is a diagram showing an outline of a driving judgment system according to the first embodiment.
- a driving determination system 10 shown in FIG. 1 is communicably connected to a vehicle system 20 via a network 30 .
- a vehicle system 20 shown in FIG. 1 is provided in a vehicle such as an automobile, collects sensor information from a sensor 21 installed in the vehicle, and transmits the sensor information to the driving determination system 10 .
- the vehicle system 20 transmits sensor information in association with a vehicle identifier that identifies the vehicle.
- Vehicle system 20 is, for example, a computer that performs functions through software.
- the vehicle system 20 may store the collected sensor information in a recording medium, and the driving determination system 10 may read the sensor information from the recording medium or a device equipped with the recording medium.
- the vehicle may include a motorcycle (including a three-wheeled vehicle), a bicycle, etc., in addition to an automobile (four-wheeled motor vehicle).
- the sensor information is, for example, information representing the state and behavior of the vehicle, and information representing the driving operation by the driver of the vehicle.
- the sensor information includes image information captured inside and outside the vehicle, or sound information collected inside and outside the vehicle.
- Sensor information may include information about the external environment in which the vehicle travels.
- the sensor information of the external environment is, for example, the temperature, humidity, illuminance, and the like while the vehicle is running. Details of the external environment will be described later.
- the image information and sound information include driving conditions outside the vehicle. The driving situation will be described later. Additionally, the image information includes the driver and passengers in the vehicle.
- the sound information includes sounds in the vehicle or voices of the driver and fellow passengers.
- the sensor information described above is an example and is not limited to these.
- the sensor 21 may be, for example, a travel position of the vehicle, a speed sensor that measures the speed of the vehicle, an acceleration sensor that measures the acceleration of the vehicle, or a steering sensor that measures the steering operation of the vehicle.
- the sensor 21 may be an imaging sensor that captures images of the inside and outside of the vehicle, an acoustic sensor that captures sounds inside and outside the vehicle, or a microphone.
- the sensor 21 described above is an example and is not limited to these.
- FIG. 2 is a diagram showing an example of the configuration of the driving determination system according to the first embodiment.
- the driving determination system 10 shown in FIG. 2 includes a detection unit 101, a detection unit 102, a determination unit 103, a driving information generation unit 104, a driving evaluation unit 105, an output unit 106, and a communication unit (not shown).
- the detection unit 101 detects dangerous driving of the vehicle based on sensor information of the vehicle.
- Dangerous driving means, for example, driving that may endanger traffic.
- Dangerous driving elements include, for example, sudden deceleration, sudden acceleration, sudden steering, sudden braking, sudden start, running on bumps, meandering driving, and the like.
- the elements of dangerous driving are examples and are not limited to these.
- the detection unit 101 detects dangerous driving due to sudden deceleration, sudden acceleration, sudden start, or sudden braking of the vehicle from the magnitude of the longitudinal acceleration of the vehicle. Alternatively, dangerous driving due to abrupt steering of the vehicle or meandering driving is detected from the magnitude of lateral acceleration of the vehicle.
- the detection of dangerous driving is not limited to acceleration, and dangerous driving may be detected based on sensor information from an accelerator pedal sensor and a steering sensor. The detection of dangerous driving is an example, and is not limited to these.
- the detection unit 101 may detect calm driving of the vehicle based on sensor information of the vehicle.
- gentle driving may be detected, for example, by gently accelerating, decelerating, starting, stopping, or handling.
- the detection unit 102 detects the driving situation of the vehicle when dangerous driving is detected based on image information obtained by photographing the interior or exterior of the vehicle.
- FIG. 3 is a diagram showing an example of driving conditions based on image information.
- the driving conditions based on the image information shown in FIG. 3 include information about the external environment, information about road conditions, or information about driving operation conditions.
- the external environment based on image information is, for example, weather such as fine weather, rain, snow, fog, wind, or thunder.
- the detection unit 102 uses machine learning as a method for detecting the external environment, and detects the presence or absence of rainfall, snowfall, visibility, and the like while the vehicle is traveling, from photographed data outside the vehicle.
- the detection unit 102 may detect rainfall, snowfall, or the like using image processing by referring to differences in luminance, color, or the like of photographed data.
- the external environment or the method of detecting the external environment is an example, and is not limited to these.
- Road conditions based on image information include road surface conditions, lane conditions, congestion conditions, or traveling obstacles.
- the road surface condition includes a road surface level difference, a road surface condition, or a pavement type.
- the lane conditions include road width, increase/decrease in width, number of lanes, increase/decrease in the number of lanes, travel lane position, intersection, branch point, merging point, and the like.
- Congestion status includes inter-vehicle distance.
- Traveling obstacles include parked and stopped vehicles, falling objects, jumping-out people, animals, etc., vehicles driven with tailgates, emergency vehicles, and the like. Road conditions are examples and are not limited to these.
- Driving operation status based on image information includes accelerator operation, brake operation, steering wheel operation, switch operation, line of sight of the driver, dozing off, posture while driving, etc.
- the detection unit 102 detects, for example, the operation angle of the steering wheel, the presence or absence of switch operation, the driver's dozing off, and the like from the camera image by video analysis.
- the driving operation situations are examples, and are not limited to these.
- the detection unit 102 detects whether there is a fallen object on the lane in which the vehicle is traveling based on image information as the driving situation (road situation) of the vehicle when dangerous driving is detected due to sudden deceleration of the vehicle.
- the detection unit 102 may detect the display or blinking of a traffic light in the traveling direction of the vehicle from the image information as the external environment of the running situation when the vehicle suddenly accelerates.
- the detection unit 102 may detect the driving situation of the vehicle when dangerous driving is detected based on sound information obtained by photographing the interior or exterior of the vehicle.
- FIG. 4 is a diagram showing an example of a driving situation based on sound image information.
- the driving situation based on the sound information shown in FIG. 4 includes, for example, information on the external environment, information on road conditions, or information on the driving operation situation.
- the external environment based on sound information is, for example, weather such as rain, snow, wind, hail, or thunder.
- the detection unit 102 uses machine learning as a method for detecting the external environment, and detects the presence or absence of rain, snow, wind, hail, and thunder while the vehicle is running from acoustic data outside the vehicle.
- the amount of precipitation and the intensity of wind speed may be detected based on the sound of rain and the sound of wind.
- a technique other than machine learning may be used, and the detection unit 102 may detect rainfall, snowfall, etc., based on the frequency of acoustic data, the difference in sound pressure, and the like.
- the method of detecting the external environment or the external environment is an example and is not limited to these.
- Road conditions based on sound information include road surface conditions and lane conditions.
- the road surface conditions include road bumps and road surface conditions.
- the lane conditions are a tunnel (reverberation sound), an acoustic signal (guidance sound), and a railroad crossing (warning sound). Road conditions are examples and are not limited to these.
- the driving operation status based on sound information includes the driver's voice, passenger's voice, driving speed (wind noise, road noise), switch operation (winker flashing sound, wiper operating sound), horn, etc.
- the driving operation situations are examples, and are not limited to these.
- the detection unit 102 detects that the melody of an acoustic traffic light that guides pedestrians is playing as the driving situation (external environment) of the vehicle when dangerous driving is detected due to sudden deceleration of the vehicle.
- the determination unit 103 determines whether the detected dangerous driving is unavoidable driving according to the detected driving situation. Specifically, the determination unit 103 estimates whether the driver of the vehicle or someone other than the driver is responsible for dangerous driving in the detected driving conditions (external environment, road conditions, driving operation conditions). .
- FIG. 5 is a diagram showing factors of dangerous driving estimated from the driving situation based on image information and an example of determination. For example, if the detected dangerous driving is sudden deceleration and the information on the driving situation (driving operation situation) includes the driver falling asleep, the determination unit 103 estimates that the driver is the cause of the dangerous driving. . Alternatively, in another case, when the detected dangerous driving is sudden deceleration and the information on the driving situation (road condition) includes a fallen object on the road, the determination unit 103 determines that the cause of the dangerous driving is other than the driver. (in this case falling objects).
- the determining unit 103 determines that the detected dangerous driving is unavoidable driving when the detected dangerous driving factor is other than the driver, and determines unnecessary dangerous driving when the detected dangerous driving factor is the driver of the vehicle. I judge.
- FIG. 6 is a diagram showing factors of dangerous driving estimated in the driving situation based on sound information and an example of determination.
- the determination unit 103 determines that the driver is the cause of the dangerous driving. presume.
- the determination unit 103 determines that the cause of the dangerous driving is Presumed to be outside the driver (vehicle being swept away by the wind).
- the determination unit 103 may determine whether the detected driving is good driving according to the driving situation detected based on the image information or the acoustic information.
- Good driving includes, for example, calm driving, polite driving, driving in compliance with legal speed limits, driving with consideration for surrounding drivers, and driving with consideration for the environment.
- FIG. 7 is a diagram showing an example of driving conditions based on image information or sound information and determination of good driving. For example, when the detected driving is gentle deceleration and the driving condition (road condition) information includes an image of a vehicle waiting to turn right ahead, the determination unit 103 determines that the detected driving is good driving. judge. Note that the definition of good driving and the determination of good driving are examples, and are not limited to these.
- the driving information generation unit 104 generates driving information.
- the driving information includes information about detected dangerous driving.
- FIG. 8 is a diagram showing an example of driving information generated by the driving information generator 104 and stored in a memory (for example, RAM (Random Access Memory) 93 or storage device 95 in FIG. 16 described later).
- the driving information shown in FIG. 8 has items of driving information identifier, driver identifier, vehicle identifier, date and time, position information, dangerous driving type, dangerous driving level, factor, and determination.
- the driving information identifier is sequentially assigned in time series when dangerous driving is detected by the driving information generation unit 104 .
- the association between the driver identifier and the vehicle identifier may be obtained from vehicle reservation information stored in the vehicle system 20 or another device, for example.
- the driving information generating unit 104 generates information related to the vehicle identifier and related to dangerous driving detected by the detecting unit 101 (occurrence date and time of dangerous driving, position information indicating the location of the occurrence of dangerous driving, type of dangerous driving). is acquired from the detection unit 101 or a storage unit (not shown).
- the driving information generation unit 104 assigns a dangerous driving level to the type of dangerous driving in the generated driving information.
- the magnitude of the dangerous driving level may be set according to the magnitude of the acceleration of sudden deceleration.
- the method of assigning the dangerous driving level is an example, and is not limited to this.
- the driving information generation unit 104 may update the driving information according to additional determination results by the determination unit 103. If the determining unit 103 determines that dangerous driving is unavoidable driving, the driving information generating unit 104 registers "unavoidable driving" in the determination item of the driving information. , to register "unnecessary dangerous driving". Further, the driving information generation unit 104 may register items that are factors of determination in the items of determination factors of the driving information based on the determination result. The driving information generation unit 104 stores the generated driving information in a storage unit (not shown).
- the driving information generator 104 is provided with a manager setting function for accepting changes in the driving information by the manager so that the manager can switch between the statuses of "unnecessary dangerous driving” and "unavoidable driving” in the driving information. You can have it.
- the driving evaluation unit 105 calculates an evaluation value for driving based on dangerous driving. For example, the driving evaluation unit 105 sets the initial evaluation value to 100, and deducts points from the evaluation value each time the detection unit 101 detects dangerous driving.
- the initial value may be other than 100.
- the deduction value for dangerous driving may be a fixed value or a value according to the dangerous driving level. For example, the level of demerit points may be set based on the level of dangerous driving.
- FIG. 9 is a diagram showing an example of evaluation information indicating the driver's driving evaluation.
- the evaluation information shown in FIG. 9 includes items of driver identifier, evaluation value, number of times of dangerous driving, and number of times of good driving.
- the evaluation value is calculated by the following formula.
- the calculation formulas and their coefficients are examples, and are not limited to these.
- the driving evaluation unit 105 divides each driver into elements of dangerous driving (sudden acceleration, sudden deceleration, etc.) and calculates an evaluation value, and averages or totals the evaluation values for each element. You may calculate the total score based on. Further, the driving evaluation unit 105 may add additional points for good driving or unavoidable driving as separate scores (two axes), in addition to the points deducted for dangerous driving. Furthermore, the driving evaluation unit 105 may calculate two scores, ie, the remaining point score deducted from the initial value (for example, 100) due to dangerous driving and the added score, as one score.
- the initial value for example, 100
- the driver identifier may be, for example, an employee number, membership number, or personal number.
- the item of the evaluation information may include the name of the driver. Also, the number of times of dangerous driving and the number of times of good driving may not be included. Items of the evaluation information are examples, and the items are not limited to these.
- the driving evaluation unit 105 may add points based on good driving in addition to deducting points based on dangerous driving. For example, the driving evaluation unit 105 may add points to the evaluation value according to the number of times the determination unit 103 determines good driving as shown in FIG. Driving is evaluated not only by deducting points but also by adding points, which increases the driver's motivation and contributes to safe driving.
- the driving evaluation unit 105 stores the evaluation information in a storage unit (not shown) every day and resets the evaluation value to the initial value.
- the evaluation information may be stored for periods other than one day. Resetting the rating value may be separate from storing the rating information.
- the output unit 106 generates information to be displayed on a display (not shown) and performs display control to display the information on the display.
- the output unit 106 displays and controls information about unnecessary dangerous driving or unavoidable driving based on the driving information or the evaluation information. For example, based on the driving information, the output unit 106 superimposes the type of dangerous driving and the occurrence position on the map information.
- FIG. 10 is a diagram showing a display example when unnecessary dangerous driving is superimposed on map information.
- the display example of FIG. 10 is a display screen for a manager who manages drivers.
- Screen display 1010 includes map information 1020 , level selection 1030 and display selection 1040 .
- the icon of dangerous driving of the vehicle icon of sudden deceleration, icon of sudden steering, icon of sudden acceleration
- each occurrence position are displayed superimposed on the map.
- the position of the sudden deceleration icon in FIG. 10 corresponds to dangerous driving of the driving information identifier D1 of the position information XXX1 in FIG.
- a selection link 1060 for displaying a moving picture, a level of dangerous driving, and a determination factor is displayed. For example, by clicking the "dangerous driving level" in the selection link 1060 with the mouse 1050, the value of the dangerous driving level recorded in the driving information is displayed.
- a level selection 1030 is a check box for selecting a dangerous driving level for dangerous driving.
- the output unit 106 refers to the driving information shown in FIG. 8 and selects dangerous driving corresponding to the checked dangerous driving level.
- Information on dangerous driving at the dangerous driving level (type icon and content of unnecessary dangerous driving) is superimposed and output. Redundant selection of dangerous driving levels is possible, and unnecessary dangerous driving of all dangerous driving levels is output by all selections.
- the threshold of the dangerous driving level to be displayed and the number of levels can be arbitrarily set.
- the display selection 1040 is a check box for selecting and displaying unnecessary dangerous driving and unavoidable driving on the map. Both can be displayed by selecting both.
- the dangerous driving level is "8" and "unavoidable driving” is output.
- Display selection is not limited to the dangerous driving level or the like.
- other items of driving information such as driver identifier, vehicle identifier, date and time, area (range based on position information) may be used.
- a search input field for searching driving information may be provided.
- FIG. 11 is a diagram showing icons for types of unnecessary dangerous driving and unavoidable driving.
- the dangerous driving icon 2010 shown in FIG. 11 indicates sudden deceleration, sudden steering, and sudden acceleration.
- the unavoidable driving icon 2020 indicates sudden deceleration, sudden steering, and sudden acceleration. Note that, for example, when the detected dangerous driving becomes unavoidable driving as determined later, the type icon superimposed on the map is changed.
- FIG. 12 is a diagram showing an example in which dangerous driving that does not require driving information and unavoidable driving are superimposed on map information.
- the output unit 106 displays unavoidable driving type icons (rapid deceleration, sudden steering wheel, sudden acceleration) are superimposed on the map of each occurrence position.
- unavoidable driving icon a selection link for displaying an animation, a dangerous driving level, and a determination factor is displayed by mouse selection.
- FIG. 13 is a flow chart showing an example of the operation of the driving judgment system according to the first embodiment.
- the driving judgment system 10 receives vehicle sensor information transmitted by the vehicle system 20 .
- the detection unit 101 detects dangerous driving of the vehicle based on sensor information of the vehicle (step S101).
- Dangerous driving elements include, for example, sudden deceleration, sudden acceleration, sudden steering, sudden braking, sudden start, running on bumps, meandering driving, and the like.
- the detection unit 102 detects the driving situation of the vehicle when dangerous driving is detected, based on the image information of the inside or outside of the vehicle (step S102).
- Driving conditions based on image information include information about the external environment, information about road conditions, or information about driving operation conditions. Note that the detection unit 102 may detect the driving situation of the vehicle when dangerous driving is detected based on sound information obtained by photographing the inside or outside of the vehicle.
- the determination unit 103 determines whether the detected dangerous driving is unavoidable driving according to the detected driving situation.
- the determination unit 103 estimates whether the driver of the vehicle or someone other than the driver is responsible for dangerous driving in the detected driving conditions (external environment, road conditions, driving operation conditions) (step S103). ). If the driver of the vehicle is responsible for the detected dangerous driving (Yes in step S104), the determination unit 103 determines unnecessary dangerous driving (step S105). On the other hand, when the detected factor of dangerous driving is other than the driver (No in step S104), the determination unit 103 determines that the dangerous driving is unavoidable driving (step S106).
- the determination unit 103 may determine whether the detected driving is good driving according to the driving situation detected based on the image information or the acoustic information. For example, when the detected driving is gentle deceleration and the driving condition (road condition) information includes an image of a vehicle waiting to turn right ahead, the determination unit 103 determines that the detected driving is good driving. judge.
- the driving information generation unit 104 generates driving information (step S107).
- the driving information has, for example, the following items: driving information identifier, driver identifier, vehicle identifier, date and time, position information, dangerous driving type, dangerous driving level, factor, and determination.
- the driving information generating unit 104 transmits information related to the vehicle identifier and related to dangerous driving detected by the detecting unit 101 (the date and time of dangerous driving, the position information of the vehicle, the type of dangerous driving) to the detecting unit 101 or the storage unit ( (not shown).
- the driving information generation unit 104 assigns a dangerous driving level to the type of dangerous driving in the generated driving information.
- the driving information generation unit 104 may update the driving information according to additional determination results by the determination unit 103. If the determining unit 103 determines that dangerous driving is unavoidable driving, the driving information generating unit 104 registers "unavoidable driving" in the determination item of the driving information. , to register "unnecessary dangerous driving". Further, the driving information generation unit 104 may register items that are factors of determination in the items of determination factors of the driving information based on the determination result. Note that the administrator can change the statuses of “unnecessary dangerous driving” and “unavoidable driving” of the driving information generated using the administrator setting function of the driving information generation unit 104 to each other.
- the driving evaluation unit 105 calculates an evaluation value for driving based on dangerous driving (step S108). For example, the driving evaluation unit 105 sets the initial evaluation value to 100, and deducts points from the evaluation value each time the detection unit 101 detects dangerous driving.
- the initial value may be other than 100.
- the deduction value for dangerous driving may be a fixed value or a value according to the dangerous driving level. For example, the level of demerit points may be set based on the level of dangerous driving.
- the driving evaluation unit 105 may add points based on good driving in addition to deducting points based on dangerous driving. For example, the driving evaluation unit 105 may add points to the evaluation value according to the number of times the determination unit 103 determines that the driving is good. Alternatively, the driving evaluation unit 105 divides each driver into unnecessary elements of dangerous driving (sudden acceleration, sudden deceleration, etc.) and calculates an evaluation value, and calculates a total score based on the average or sum of the evaluation values for each element. You may In addition, the driving evaluation unit 105 may add additional points for good driving as a separate score, apart from demerit points for unnecessary dangerous driving (two axes). Further, the driving evaluation unit 105 may combine two scores, ie, the score and the added score, which are the remaining points subtracted from the initial value (for example, 100) due to unnecessary dangerous driving, and calculate them as one score.
- the driving evaluation unit 105 may combine two scores, ie, the score and the added score, which are the remaining points subtracted from the initial
- the output unit 106 displays and outputs information on dangerous driving or unavoidable driving based on the driving information or the evaluation information. For example, based on the driving information, the output unit 106 superimposes the type of dangerous driving and the location of occurrence on the map information (step S109). For example, in the map information 1020, the output unit 106 superimposes and displays the dangerous driving type icons of the vehicle (rapid deceleration, sudden steering, and sudden acceleration) and their occurrence positions on the map.
- the dangerous driving type icons of the vehicle rapid deceleration, sudden steering, and sudden acceleration
- the output unit 106 may notify the administrator of the possibility that the detected dangerous driving is different when the determination unit 103 estimates that the detected dangerous driving is caused by someone other than the driver.
- An example of notification is displaying, for example, "This sudden deceleration may not be dangerous driving.”
- the driving judgment system 10 may be installed in a vehicle.
- the configuration of the driving determination system 10 may be installed in a vehicle drive recorder, a vehicle driving support system, the vehicle system 20, or a smart phone application used by the driver.
- the driving determination system 10 can estimate factors of dangerous driving detected from sensor information of the vehicle. The reason for this is that the detection unit 102 detects the driving situation of the vehicle when dangerous driving is detected based on image information obtained by photographing the inside or outside of the vehicle. Based on the estimated result, the determining unit 103 can determine whether the detected dangerous driving is unavoidable driving according to the detected driving conditions.
- a driving determination system according to the second embodiment will be described with reference to the drawings.
- the driving judgment system according to the second embodiment is communicably connected to the vehicle system 20 via the network 30 in the same manner as the driving judgment system 10 according to the first embodiment.
- FIG. 14 is a block diagram showing an example configuration of a driving judgment system according to the second embodiment.
- a driving determination system 11 shown in FIG. 14 includes a detection unit 101, a detection unit 102, a determination unit 103, and a communication unit (not shown).
- the driving determination system 11 is, for example, a computer that executes the functions of a detection unit 101, a detection unit 102, and a determination unit 103 by software.
- the driving determination system 11 has a configuration in which the driving information generation unit 104, the driving evaluation unit 105, and the output unit 106 are omitted from the configuration of the driving determination system 10 according to the first embodiment. Therefore, detailed descriptions of the configurations of the detection unit 101, the detection unit 102, and the determination unit 103 are omitted.
- the driving determination system 11 receives vehicle sensor information transmitted by the vehicle system 20 .
- the sensor information includes image information captured inside and outside the vehicle, or sound information collected inside and outside the vehicle.
- the detection unit 101 detects dangerous driving of the vehicle based on sensor information of the vehicle.
- Dangerous driving elements include, for example, sudden deceleration, sudden acceleration, sudden steering, sudden braking, sudden start, running on bumps, meandering driving, and the like.
- the elements of dangerous driving are examples and are not limited to these.
- the detection unit 102 detects the driving situation of the vehicle when dangerous driving is detected based on image information obtained by photographing the interior or exterior of the vehicle.
- Driving conditions based on image information include information about the external environment, information about road conditions, or information about driving operation conditions.
- the external environment based on image information is, for example, weather such as fine weather, rain, snow, fog, wind, or thunder.
- Road conditions based on image information include, for example, road surface conditions, lane conditions, congestion conditions, or running obstacles.
- the driving operation status based on the image information includes accelerator operation, brake operation, steering wheel operation, switch operation, line of sight of the driver, dozing off, and the like.
- the detection unit 102 may detect the driving situation of the vehicle when dangerous driving is detected based on sound information obtained by photographing the interior or exterior of the vehicle.
- the driving situation based on the sound information includes, for example, information on the external environment, information on road conditions, or information on the driving operation situation.
- the external environment based on sound information is, for example, weather such as rain, snow, wind, hail, or thunder.
- Road conditions based on sound information include road surface conditions and lane conditions.
- the road surface conditions include road bumps and road surface conditions.
- the lane conditions are a tunnel (reverberation sound), an acoustic signal (guidance sound), and a railroad crossing (warning sound). Road conditions are examples and are not limited to these.
- the driving operation status based on sound information includes the driver's voice, passenger's voice, driving speed (wind noise, road noise), switch operation (winker flashing sound, wiper operating sound), horn, etc.
- the driving operation situations are examples, and are not limited to these.
- the determination unit 103 determines whether the detected dangerous driving is unavoidable driving according to the detected driving situation. Specifically, the determination unit 103 estimates whether the driver of the vehicle or someone other than the driver is responsible for dangerous driving in the detected driving conditions (external environment, road conditions, driving operation conditions). .
- the determination unit 103 estimates that the driver is the cause of the dangerous driving. .
- the determination unit 103 determines that dangerous driving is unavoidable driving when the detected factor of dangerous driving is other than the driver, and determines it as dangerous driving when the detected factor of dangerous driving is the driver of the vehicle.
- the determination unit 103 determines that the driver is the cause of the dangerous driving. presume.
- the determination unit 103 may determine whether the detected driving is good driving according to the driving situation detected based on the image information or the acoustic information. For example, when the detected driving is gentle deceleration and the driving condition (road condition) information includes an image of a vehicle waiting to turn right ahead, the determination unit 103 determines that the detected driving is good driving. judge.
- FIG. 15 is a flow chart showing an example of the operation of the driving judgment system according to the second embodiment.
- the driving determination system 11 receives vehicle sensor information transmitted by the vehicle system 20 .
- the sensor information includes image information captured inside and outside the vehicle, or sound information collected inside and outside the vehicle.
- the detection unit 101 detects dangerous driving of the vehicle based on sensor information of the vehicle (step S111).
- Dangerous driving elements include, for example, sudden deceleration, sudden acceleration, sudden steering, sudden braking, sudden start, running on bumps, meandering driving, and the like.
- the detection unit 102 detects the driving situation regarding the driving of the vehicle when dangerous driving is detected based on the image information of the interior or exterior of the vehicle (step S112).
- Driving conditions based on image information include information about the external environment, information about road conditions, or information about driving operation conditions. Note that the detection unit 102 may detect the driving situation of the vehicle when dangerous driving is detected based on sound information obtained by photographing the inside or outside of the vehicle.
- the determination unit 103 determines whether the detected dangerous driving is unavoidable driving according to the detected driving conditions (step S113).
- the determination unit 103 estimates whether the driver of the vehicle or someone other than the driver causes dangerous driving in the detected driving conditions (external environment, road conditions, driving operation conditions).
- the determination unit 103 determines that the dangerous driving is unavoidable driving when the detected factor of the dangerous driving is other than the driver, and determines the dangerous driving when the detected factor of the dangerous driving is the driver of the vehicle.
- the determination unit 103 may determine whether the detected driving is good driving according to the driving situation detected based on the image information or the acoustic information. For example, when the detected driving is gentle deceleration and the driving condition (road condition) information includes an image of a vehicle waiting to turn right ahead, the determination unit 103 determines that the detected driving is good driving. judge.
- the driving judgment system 11 of the second embodiment may be installed in the vehicle system 20 and transmit the judgment result.
- the destination of the determination result may be the driving determination system 10 of the first embodiment, or the driving determination system 10 except the detection unit 101, the detection unit 102, and the determination unit 103, and the driving information generation unit 104.
- the driving determination system 11 can estimate factors of dangerous driving detected from sensor information of the vehicle.
- the reason for this is that the detection unit 102 detects the driving situation of the vehicle when dangerous driving is detected based on image information obtained by photographing the inside or outside of the vehicle. Based on the estimated result, the determining unit 103 can determine whether the detected dangerous driving is unavoidable driving according to the detected driving conditions.
- FIG. 16 is a diagram showing an example of the hardware configuration of a computer.
- the driving judgment system 10 is realized by executing a program (software program, computer program) in the CPU 91 of the computer 90 shown in FIG.
- the functions of the configurations of the driving judgment systems 10 and 11 are realized by executing a program.
- some configurations of the driving judgment systems 10 and 11 may be configured by external devices (not shown) and provided to the driving judgment systems 10 and 11 from the external devices via a network.
- the configuration of the driving determination system 10 is such that a CPU (Central Processing Unit) 91 reads a program 94 from a ROM (Read Only Memory) 92 or a storage device 95, and stores the read program 94 in a CPU 91 and a RAM (Random Access Memory) 93.
- the present disclosure which has been described with the above-described embodiment as an example, can be considered to be configured by a computer-readable storage medium in which code representing a computer program or code representing the computer program is stored.
- the computer-readable storage medium is, for example, the storage device 95, a removable magnetic disk medium (not shown), an optical disk medium, a memory card, or the like. It should be noted that the configuration of each embodiment may be dedicated hardware using an integrated circuit.
- the driving judgment systems 10 and 11 may be realized by cloud computing.
- driving judgment system 20 vehicle system 21 sensor 101 detection unit 102 detection unit 103 judgment unit 104 driving information generation unit 105 driving evaluation unit 106 output unit
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Abstract
Description
第1の実施形態に係る運転判定システムについて、図面を用いて説明する。図1は、第1の実施形態に係る運転判定システムの概要を示す図である。図1に示す運転判定システム10は、車両システム20とネットワーク30を介して通信可能に接続される。
図1に示す車両システム20は、自動車などの車両に設けられ、車両に設置されたセンサ21からセンサ情報を収集して、運転判定システム10に送信する。車両システム20は、センサ情報に車両を識別する車両識別子を関連づけて送信する。車両システム20は、例えば、ソフトウエアによって機能を実行するコンピュータである。また、車両システム20は収集したセンサ情報を記録媒体に保存し、運転判定システム10が記録媒体又は記録媒体を搭載した機器からセンサ情報を読み出してもよい。なお、車両としては、自動車(自動四輪車)の他、自動二輪車(三輪含む)や自転車等を含んでもよい。
図2は、第1の実施形態に係る運転判定システムの構成の例を示す図である。図2に示す運転判定システム10は、検知部101、検出部102、判定部103、運転情報生成部104は、運転評価部105、出力部106、通信部(図示せず)を備える。
この算出式で図9に示すM1の評価値は「58」となり、M2の評価値は「88」となる。算出式とその係数は例示であり、これに限られない。
次に、第1の実施形態に係る運転判定システム10の動作について説明する。図13は、第1の実施形態に係る運転判定システムの動作の例を示すフローチャートである。
運転判定システム10は、車両に搭載されてもよい。例えば、運転判定システム10の構成が車両のドライブレコーダー又は車両の運転支援システム、あるいは、車両システム20、運転者が使用するスマートフォンのアプリに搭載されてもよい。
第1の実施形態によれば、運転判定システム10は、車両のセンサ情報で検知された危険運転の要因を推定できる。その理由は、検出部102が、車両の内部又は外部を撮影した画像情報に基づき、危険運転が検知されたときの車両の走行に関する走行状況を検出するからである。そして推定した結果から判定部103は、検出した走行状況に応じて、検知した危険運転がやむを得ない運転かを判定することができる。
第2の実施形態に係る運転判定システムについて、図面を用いて説明する。第2の実施形態に係る運転判定システムは、第1の実施形態に係る運転判定システム10と同様にネットワーク30を介して車両システム20と通信可能に接続される。
第2実施形態の運転判定システム11は、車両システム20に搭載されて、判定結果を送信してもよい。判定結果の送信先は、第1の実施形態の運転判定システム10であってもよく、あるいは、運転判定システム10から検知部101、検出部102、判定部103が除かれ、運転情報生成部104は、運転評価部105を備える他の運転判定システムであってもよい。
第2の実施形態によれば、運転判定システム11は、車両のセンサ情報で検知された危険運転の要因を推定できる。その理由は、検出部102が、車両の内部又は外部を撮影した画像情報に基づき、危険運転が検知されたときの車両の走行に関する走行状況を検出するからである。そして推定した結果から判定部103は、検出した走行状況に応じて、検知した危険運転がやむを得ない運転かを判定することができる。
図16は、コンピュータのハードウエア構成の例を示す図である。運転判定システム10は、プログラム(ソフトウエアプログラム,コンピュータプログラム)が図16に示すコンピュータ90のCPU91において実行されることにより実現される。運転判定システム10、11の構成の機能は、プログラムを実行することにより実現される。また運転判定システム10、11のいくつかの構成は、外部装置(図示せず)で構成され、ネットワークを介して外部装置から運転判定システム10、11に提供されてもよい。運転判定システム10の構成は、CPU(Central Processing Unit)91がROM(Read Only Memory)92、あるいは、記憶装置95からプログラム94を読み込み、読み込んだプログラム94を、CPU91、RAM(Random Access Memory)93を用いて実行することにより実現されてもよい。上述した実施形態を例に説明した本開示は、コンピュータプログラムを表すコードあるいはそのコンピュータプログラムを表すコードが格納されたコンピュータ読み取り可能な記憶媒体によって構成されると捉えることができる。コンピュータ読み取り可能な記憶媒体は、例えば記憶装置95、不図示の着脱可能な磁気ディスク媒体,光学ディスク媒体やメモリカードなどである。なお、各実施形態の構成は、集積回路による専用のハードウエアであってもよい。運転判定システム10、11はクラウドコンピューティングにより実現されてもよい。
20 車両システム
21 センサ
101 検知部
102 検出部
103 判定部
104 運転情報生成部
105 運転評価部
106 出力部
Claims (14)
- 車両のセンサ情報に基づき、前記車両の危険運転を検知する検知手段と、
前記車両の内部又は外部を撮影した画像情報に基づき、前記危険運転が検知されたときの前記車両の走行に関する走行状況を検出する検出手段と、
検出した前記走行状況に応じて、検知した前記危険運転がやむを得ない運転か判定する判定手段と、を備える
運転判定システム。 - 前記走行状況は、前記車両が走行している外部環境、前記車両が走行している道路状況、又は前記車両の運転操作に関する運転操作状況である
請求項1に記載の運転判定システム。 - 前記判定手段は、前記走行状況に応じて、検知した前記危険運転の要因が、前記車両の運転者にあるのか、前記車両の運転者以外にあるのか推定する、
請求項1又は2に記載の運転判定システム。 - 前記判定手段は、検知した前記危険運転の要因が前記運転者以外にある場合、前記危険運転をやむを得ない運転と判定する
請求項3に記載の運転判定システム。 - 前記判定手段は、検知した前記危険運転の要因が前記車両の運転者にある場合、前記危険運転を不要な危険運転と判定する
請求項1から4のいずれか1つに記載の運転判定システム。 - 検知した前記危険運転に関する情報を含む運転情報を生成する運転情報生成手段を、更に備える
請求項1から5のいずれか1つに記載の運転判定システム。 - 前記運転情報は、前記危険運転の日時、前記危険運転の発生位置、前記危険運転の種別を含む
請求項6に記載の運転判定システム。 - 前記危険運転の回数、又は、危険運転レベルに基づいて、前記車両の運転に関する評価値を算出する運転評価手段を、更に備える
請求項1から7のいずれか1つに記載の運転判定システム。 - 前記運転評価手段は、前記やむを得ない運転と判定された、前記危険運転を評価値の算出から除外する
請求項8に記載の運転判定システム。 - 前記判定手段が、前記走行状況に基づいて、検知した運転が良い運転であると判定すると、前記運転評価手段は、前記良い運転と判定された回数に応じて前記評価値に加点する
請求項8又は9に記載の運転判定システム。 - 前記運転情報に基づき、前記危険運転の種別とその発生位置を、地図情報に重畳表示する出力手段を、更に備える
請求項6又は7に記載の運転判定システム。 - 車両のセンサ情報に基づき、前記車両の危険運転を検知する検知手段と、
前記車両の内部又は外部の音を収録した音情報に基づき、前記危険運転が検知されたときの前記車両の走行に関する走行状況を検出する検出手段と、
検出した前記走行状況に応じて、検知した前記危険運転がやむを得ない運転か判定する判定手段と、を備える
運転判定システム。 - 車両のセンサ情報に基づき、前記車両の危険運転を検知し、
前記車両の内部又は外部を撮影した画像情報に基づき、前記危険運転が検知されたときの前記車両の走行に関する走行状況を検出し、
検出した前記走行状況に応じて、検知した前記危険運転がやむを得ない運転か判定する
運転判定方法。 - 車両のセンサ情報に基づき、前記車両の危険運転を検知し、
前記車両の内部又は外部を撮影した画像情報に基づき、前記危険運転が検知されたときの前記車両の走行に関する走行状況を検出し、
検出した前記走行状況に応じて、検知した前記危険運転がやむを得ない運転か判定する
ことをコンピュータに実行させるプログラムを格納する記憶媒体。
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JP2000289485A (ja) * | 1999-04-01 | 2000-10-17 | Isuzu Motors Ltd | 車両の危険運転判定装置 |
JP2010152453A (ja) * | 2008-12-24 | 2010-07-08 | Ud Trucks Corp | 安全運転評価システム |
JP2010250445A (ja) * | 2009-04-13 | 2010-11-04 | Aisin Aw Co Ltd | 運転支援装置、及びプログラム |
JP2020166390A (ja) * | 2019-03-28 | 2020-10-08 | 株式会社トヨタマップマスター | 車両評価装置、ドライバ評価装置及びそれらの方法、コンピュータ用プログラム |
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JP2000289485A (ja) * | 1999-04-01 | 2000-10-17 | Isuzu Motors Ltd | 車両の危険運転判定装置 |
JP2010152453A (ja) * | 2008-12-24 | 2010-07-08 | Ud Trucks Corp | 安全運転評価システム |
JP2010250445A (ja) * | 2009-04-13 | 2010-11-04 | Aisin Aw Co Ltd | 運転支援装置、及びプログラム |
JP2020166390A (ja) * | 2019-03-28 | 2020-10-08 | 株式会社トヨタマップマスター | 車両評価装置、ドライバ評価装置及びそれらの方法、コンピュータ用プログラム |
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