WO2015159341A1 - 運転支援装置および運転支援方法 - Google Patents
運転支援装置および運転支援方法 Download PDFInfo
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- WO2015159341A1 WO2015159341A1 PCT/JP2014/060607 JP2014060607W WO2015159341A1 WO 2015159341 A1 WO2015159341 A1 WO 2015159341A1 JP 2014060607 W JP2014060607 W JP 2014060607W WO 2015159341 A1 WO2015159341 A1 WO 2015159341A1
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Definitions
- the present invention relates to a vehicle driving support device and a driving support method capable of switching between automatic driving and manual driving.
- Patent Document 1 discloses a travel control device that calculates the target speed and target acceleration based on the state of the preceding vehicle and map information and controls the travel of the host vehicle.
- the driving support system described in Patent Literature 2 records feature points corresponding to each of a plurality of types when the host vehicle enters a target area such as a corner, and features points based on the recorded feature points. A variation map indicating the degree of variation for each type is generated. Then, driving assistance is performed so as to reproduce feature points having an average value of the degree of variation in the variation map.
- Patent Document 2 also stores feature points corresponding to each of a plurality of types when the host vehicle enters the target area in order to perform driving control that does not give the driver a sense of incongruity. Operation control is performed to reproduce.
- the memory usage is large and the system processing load is high.
- the present invention has been made to solve the above-described problems, and is a driving support device and a driving support method capable of correcting automatic driving in accordance with the driver while reducing the memory usage and processing load.
- the purpose is to obtain.
- a driving support device is a driving support device that supports driving of a vehicle by switching between an automatic driving mode and a manual driving mode by a driver, and the driving of the vehicle is switched from the automatic driving mode to the manual driving mode.
- an information acquisition unit that acquires the position information of the vehicle and the feature amount of the driving operation by the driver, and the correction target driving in the automatic driving mode from the feature amount of the driving operation by the driver acquired by the information acquisition unit
- a determination unit that determines an operation and its correction amount, a storage unit that stores the driving operation of the correction target determined by the determination unit and the correction amount in association with the corresponding position information, and a correction target read from the storage unit
- Correction unit that corrects the driving operation in the automatic operation mode using the driving operation and the correction amount thereof, and correction by the correction unit in the automatic operation mode
- a vehicle control unit for controlling the vehicle on the driving operation.
- FIG. 4 is a flowchart of automatic operation mode setting processing in the first embodiment.
- 3 is a flowchart of processing for storing a correction target and an amount of correction in an automatic operation mode in the first embodiment. It is a figure which shows the outline
- 3 is a flowchart of a correction process for a driving operation in an automatic driving mode in the first embodiment.
- FIG. 12 is a flowchart of processing for acquiring a feature amount in a manual operation mode in the second embodiment.
- 10 is a flowchart of a process for storing a correction target in the automatic operation mode and a correction amount thereof in the second embodiment.
- 6 is a flowchart of a correction process for a driving operation in an automatic driving mode according to the second embodiment.
- FIG. 1 is a block diagram showing the configuration of the driving support system according to the present invention.
- FIG. 2 is a block diagram illustrating a configuration of the ECU that functions as the driving support apparatus according to the first embodiment.
- a driving support system 1 is a system that is mounted on a vehicle and supports driving of the vehicle by switching between an automatic driving mode and a manual driving mode by a driver.
- the configuration includes a surrounding monitoring sensor 2, a vehicle speed sensor 3, a gyro sensor 4, a GPS (Global Positioning System) receiver 5, a direction indicator 6, a speed setting switch 7, an automatic driving switch 8, a car navigation system 9, and a map information database.
- DB Maps Database
- accelerator actuator 11, accelerator position sensor 12, brake actuator 13, brake position sensor 14, steering actuator 15, steering sensor 16, communication device 17, display device 18, alarm device 19 and ECU (Electronic Control Unit) 20 Is provided.
- FIG. 1 shows only the components that are directly related to this embodiment, and the other components are not shown.
- the surrounding monitoring sensor 2 is a sensor that detects the surrounding situation of the vehicle. For example, it is realized by a camera or a millimeter wave sensor, and the presence or absence of obstacles existing in the vicinity including the front, left and right sides and the rear of the own vehicle, the distance from the obstacle to the own vehicle, the relative of the obstacle to the own vehicle Get speed and more.
- the vehicle speed sensor 3 is a sensor that measures the speed of the host vehicle. For example, the rotational speed of the wheel is detected, and the vehicle speed of the host vehicle is measured from the rotational speed.
- the gyro sensor 4 is a sensor that detects a change in the direction of the host vehicle. For example, the angular velocity of the host vehicle is detected, and a change in direction is detected from the angular velocity.
- the GPS receiver 5 measures the current position of the host vehicle based on the GPS signal received from the GPS satellite.
- the direction indicator 6 instructs a change in the traveling direction of the host vehicle.
- the vehicle is instructed to the direction of the course of the host vehicle when turning left or right or changing lanes from the blinking state of an indicator lamp installed outside the vehicle.
- the lighting state of the indicator lamp is transmitted to the ECU 20.
- the speed setting switch 7 is a switch used for setting the speed of the vehicle. For example, it is used for a vehicle having a function of running the vehicle while maintaining the speed set by the speed setting switch 7 while detecting the preceding vehicle, such as an automatic driving mode or an ACC (Adaptive Cruise Control) mode. Note that the speed set by the speed setting switch 7 is transmitted to the ECU 20.
- the automatic driving switch 8 accepts a setting for setting the own vehicle to the automatic driving mode or the manual driving mode. Whether the driving of the host vehicle is the automatic driving mode or the manual driving mode is transmitted to the ECU 20.
- the car navigation system 9 has a function of guiding the route of the host vehicle to a predetermined destination.
- the car navigation system 9 cooperates with the GPS receiver 5, the communication device 17, the display device 18, the alarm device 19, the map DB 10, and the ECU 20, so that map information around the current location of the host vehicle is given to the driver, Provides the current position of the host vehicle, the location of the destination, the route to the destination, etc.
- the map DB 10 is a database in which map data is registered, and includes a map data file, an intersection data file, a road data file, and the like.
- the accelerator actuator 11 performs acceleration / deceleration of the vehicle according to the position of the accelerator pedal or a signal from the ECU 20.
- the accelerator position sensor 12 is a sensor that detects an operation amount of the accelerator pedal, and transmits a signal indicating the detected operation amount to the ECU 20.
- the brake actuator 13 decelerates the vehicle according to a brake position or a signal from the ECU 20.
- the brake position sensor 14 is a sensor that detects an operation amount of the brake pedal (a depression amount of the brake pedal).
- the steering actuator 15 operates the traveling direction of the vehicle in accordance with the steering amount and steering direction of the steering wheel.
- the steering sensor 16 is a sensor that detects the steering amount and steering direction of the steering wheel, and transmits a signal indicating the detected steering amount and steering direction to the ECU 20.
- the communication device 17 is a communication device that acquires information from a traffic infrastructure or the like installed on a road such as an optical vehicle detector (so-called optical beacon).
- the information to be acquired includes information related to surrounding conditions with poor visibility, traffic control information (for example, information related to traffic lights and signs), and information related to road conditions (for example, information such as traffic accidents and traffic jams).
- the communication device 17 also includes a communication device that performs inter-vehicle communication with another vehicle or communication via a mobile phone.
- the display device 18 is a display device that displays various types of information. For example, navigation information is displayed in conjunction with the car navigation system 9. Moreover, the information regarding the control timing and control operation content of the own vehicle is displayed.
- the alarm device 19 is a device that outputs an alarm. For example, an alarm is output in conjunction with the car navigation system 9. Also, an alarm is output according to the control timing of the host vehicle and the control operation content.
- the ECU 20 is an ECU that controls the entire driving support system 1, and includes, for example, a CPU, a ROM, a RAM, an input signal circuit, an output signal circuit, a power supply circuit, and the like. Moreover, ECU20 is provided with the information acquisition part 21, the determination part 22, the memory
- the information acquisition unit 21 acquires the position information of the vehicle and the driving operation of the driver, triggered by the fact that the driving of the vehicle has been switched from the automatic driving mode to the manual driving mode.
- vehicle position information for example, the current position of the vehicle measured by the GPS receiver 5 is acquired.
- the driving operation of the driver includes, for example, the traveling direction of the vehicle input from the direction indicator 6, the operation amount of the accelerator pedal detected by the accelerator position sensor 12, the depression amount of the brake pedal detected by the brake position sensor 14,
- the steering sensor 16 is specified based on an operation amount such as a steering amount and a steering direction of the steering wheel detected by the steering sensor 16.
- the determination unit 22 determines the driving operation to be corrected and the correction amount thereof in the automatic driving mode from the feature amount of the driving operation by the driver acquired by the information acquisition unit 21. For example, when the vehicle speed set in the automatic operation mode at the current position of the vehicle is more than a predetermined threshold value from the vehicle speed (feature value) in the manual operation mode, this driving operation is targeted for correction, The vehicle speed in the driving mode is determined as the correction amount in the automatic driving mode.
- the storage unit 23 is a storage unit that stores the driving operation to be corrected in the automatic driving mode and the correction amount determined by the determination unit 22 in association with the corresponding position information. For example, it is constructed in a storage area of a nonvolatile memory provided with the ECU 20 and is appropriately read from the correction unit 24 and the vehicle control unit 25.
- the correction unit 24 is a correction unit that corrects the driving operation corresponding to the position information in the automatic driving mode using the driving operation to be corrected and the correction amount read from the storage unit 23. For example, when the correction target corresponding to the current position of the vehicle is the vehicle speed, the vehicle speed set in the automatic operation mode is corrected by the correction amount of the vehicle speed read from the storage unit 23.
- the vehicle control unit 25 controls the operation of the vehicle by switching between the automatic operation mode and the manual operation mode. For example, according to the driving operation set in the automatic driving mode, the position of the accelerator pedal in the accelerator actuator 11 is controlled to accelerate or decelerate the vehicle. Further, the vehicle is decelerated by controlling the brake position in the brake actuator 13 according to the driving operation set in the automatic driving mode. Alternatively, the steering amount and steering direction of the steering wheel in the steering actuator 15 are controlled.
- the information acquisition unit 21, the determination unit 22, the storage unit 23, the correction unit 24, and the vehicle control unit 25 described above for example, the CPU of the ECU 20 executes a program in which processing unique to the first embodiment is described. Thus, it can be realized as a means in which software and hardware cooperate.
- the driving support system 1 may set the driving mode of the cruise control function for driving the vehicle at a speed set by the driver as the automatic driving mode, for example.
- the operation mode of the ACC function for recognizing the surrounding situation of the vehicle and setting the vehicle speed so as not to collide with an obstacle may be an automatic operation mode.
- the automatic operation mode controls the vehicle speed, the steering amount and the steering direction of the vehicle by acquiring the map information corresponding to the vehicle position, the road-to-vehicle information, the vehicle-to-vehicle information, etc., and setting the route.
- the operation mode may be an automatic operation function.
- the automatic operation mode of the driving support system 1 is the operation mode of the automatic driving function described above.
- the automatic operation mode is set by the user operating the automatic operation switch 8.
- the driver may operate the automatic operation switch 8 or may automatically switch to the manual operation mode in accordance with a change in the brake position or the accelerator position.
- the driving support system 1 inputs detection signals from, for example, the accelerator position sensor 12, the brake position sensor 14, and the steering sensor 16 in accordance with switching from the automatic driving mode to the manual driving mode, and based on these detection signals. Then, various feature values of the driving operation in the manual driving mode are acquired while being associated with the vehicle position. Among the feature quantities of the driving operation in the manual operation mode, those having a large difference from the feature quantity of the driving operation set in the automatic operation mode are selected as correction targets, and a correction amount for compensating for the difference is stored.
- FIG. 3 is a flowchart of the automatic operation mode setting process in the first embodiment.
- a driver inputs a destination to the car navigation system 9.
- the car navigation system 9 sets the route to the input destination based on the map data stored in the map DB 10 (step ST101).
- the car navigation system 9 reads road data corresponding to the route from the map DB 10, road speed limit information, intersection information, curve information on the route, and road-to-vehicle information obtainable by the communication device 17.
- a speed map on the route is generated (step ST102).
- the speed map is information describing speed change points on the route.
- the speed of the vehicle is controlled to be the speed set at each speed change point.
- the driving mode of the vehicle is switched to the automatic driving mode, and automatic driving is started (step ST103).
- FIG. 4 is a flowchart of processing for storing the correction target and the correction amount in the automatic operation mode in the first embodiment.
- FIG. 5 is a diagram showing an outline of an automatic driving section and a manual driving section on a straight road. As shown in FIG. 5, an example is given in which the vehicle 100 is traveling on a straight road by automatic driving, and the driver wants to continue automatic driving but needs to temporarily switch to manual driving.
- the set speed in the automatic operation mode deviates from the driver's required value based on the reason that the road (straight road) is a bad road, the road width is narrow, or the speed limit is changed. It is expected that the driver has switched to manual driving. For example, since the driving operation in the automatic driving section A shown in FIG. 5 does not match the driver's request, the driver stops the automatic driving and starts the manual driving from the manual driving section.
- the correction of the automatic operation is executed in the manual operation section as shown in FIG.
- the information acquisition unit 21 confirms whether or not the vehicle 100 has been changed (switched) from the automatic operation mode to the manual operation mode based on the operation signal of the automatic operation switch 8 (step ST201). If the mode is not changed to the manual operation mode (step ST201; NO), the process returns to step ST201, and the determination process is repeated.
- the information acquisition unit 21 acquires various feature amounts of the driving operation in the manual driving mode when the vehicle 100 is changed to the manual driving mode (step ST201; YES) (step ST202).
- the feature amount is an operation amount of each driving operation in a series of vehicle control by the driver. For example, the speed, deceleration, acceleration, steering amount and steering direction of the vehicle 100 that are periodically acquired in the manual driving section may be mentioned.
- the information acquisition unit 21 checks whether or not the specified section has ended (step ST203). That is, the feature amount continues to be acquired within the specified section.
- the feature amount may be continuously acquired with the entire manual operation section as one specified section.
- the manual operation section may be divided into a plurality of specified sections, and the feature amount may be acquired for each specified section.
- a predetermined section is set for each time point when the speed of the vehicle 100 becomes maximum or minimum, when a deceleration or acceleration generated in the vehicle 100 becomes maximum, or when a steering wheel is turned off.
- you may set a regulation area by a time division.
- a defined section may be defined for each distance set for the route on the map, and a feature amount may be acquired within each defined section.
- a prescribed section may be provided for each speed change point on the route.
- step ST203 If the specified section has not ended (step ST203; NO), the process returns to step ST202 to continue acquiring feature values.
- the information acquisition unit 21 calculates a section feature amount (step ST204).
- the section feature amount is a feature amount obtained by collecting a plurality of feature amounts acquired in a specified section for each specified section. For example, a value obtained by moving and averaging a plurality of feature quantities acquired within a specified section is set as the section feature quantity. In this way, instead of continuing to store all the feature values, the feature values in the specified section are subjected to a moving average or the like and collectively stored as section feature values. As a result, the memory usage can be reduced.
- the determination unit 22 determines whether or not the feature amount needs to be stored in the storage unit 23 as a correction amount based on the section feature amount calculated by the information acquisition unit 21 (step ST205). For example, when the section feature value is compared with the feature value of the driving operation in the section set in the automatic operation mode and the difference exceeds a predetermined threshold, the setting of the automatic operation mode in this section is the driving The section feature amount is stored as a correction amount.
- FIG. 6 is a diagram illustrating an example of feature information of driving operations.
- driving information is information that defines each driving operation, and includes an acceleration operation, a deceleration operation, a steering operation, and the like.
- Each driving operation specified by the driving information is specified by the feature amount of the corresponding operation.
- the acceleration operation the acceleration of the vehicle 100 obtained by this operation is a feature amount
- the steering amount and the steering direction obtained by this operation are feature amounts.
- the information acquisition unit 21 in addition to the feature amount of the driving operation of the driving information, includes point information indicating the characteristics of the travel path of the vehicle 100 and peripheral information indicating the relationship between the vehicle 100 and other nearby vehicles. Is obtained as information indicating the surrounding situation of the vehicle 100.
- the point information and the peripheral information assumed contents are set in advance as shown in FIG. 6, and a numerical value “1” is assigned to contents that match the current position of the vehicle 100.
- the example of FIG. 6 shows a case where the vehicle 100 is traveling in the manual driving section shown in FIG. 5, and “1” is given to “straight road” of the point information.
- the information acquisition unit 21 acquires the feature amount of the driving operation of the driving information during the manual driving of the vehicle 100, and sets “1” to the content that matches the position of the vehicle 100 for the point information and the surrounding information. Give.
- the determination unit 22 determines the surrounding situation of the vehicle 100 by combining the contents to which “1” is assigned. At this time, if an event that cannot occur in the normal manual driving occurs around the vehicle 100 as described below, the feature amount related to the driving information is not stored as the correction amount.
- the feature value of the driving operation obtained at this time is not stored as a correction amount.
- the vehicle 100 is abnormal to avoid an obstacle. It is determined that an event has occurred, and the feature value of the driving operation obtained at this time is not stored as a correction amount.
- step ST205; NO the vehicle control unit 25 proceeds to the process of step ST208. If it is determined that the feature amount needs to be stored as a correction amount (step ST205; YES), the determination unit 22 adds 1 to the number of times of switching to manual operation and stores it in the storage unit 23 (step ST206). .
- the number of times of switching to manual operation is the number of times of switching to manual operation on the same travel route, and corresponds to the number of times that correction was required for automatic operation on this route.
- the correction unit 24 calculates an automatic driving traveling frequency in which automatic driving has been set in the past for the same traveling route as a value indicating whether the driver has actively used automatic driving. As a result, when the number of times of switching to manual driving is remarkably large with respect to the frequency of automatic driving traveling on the same route by automatic driving, the driver can calculate the degree of unsatisfied automatic driving in the traveling portion.
- the storage unit 23 stores the correction amount determined by the determination unit 22 in association with the position information or speed map of the vehicle 100 (step ST207).
- the correction amount may be stored for each traveling direction of the vehicle 100. That is, the determination unit 22 determines the driving operation to be corrected and its correction amount in the automatic driving mode for each traveling direction of the vehicle 100 based on the feature amount of the driving operation by the driver acquired by the information acquisition unit 21. To do.
- the storage unit 23 may store the driving operation to be corrected in the automatic driving mode and the correction amount in association with the corresponding position information and the traveling direction of the vehicle 100. For example, different correction amounts are stored for the way and the way back. By doing in this way, the correction amount according to an actual driving
- step ST208 the vehicle control unit 25 inquires of the driver whether or not to change the operation mode of the vehicle 100 from the manual operation mode to the automatic operation mode.
- step ST208; NO the process returns to step ST202 and the above-described process is repeated.
- step ST208; YES the acquisition and storage of the correction amount is terminated.
- the vehicle has traveled more than a predetermined section from the position where the automatic operation (automatic operation section A) is switched to the manual operation (manual operation section)
- the storage of the correction amount may be interrupted.
- the correction amount saved by switching once to manual operation is used for the next automatic operation correction on the same route.
- the characteristic amount of the driving operation with respect to the event that occurred temporarily in the manual driving is used as the correction amount, and the automatic driving may be corrected to the driving operation not intended by the driver. Therefore, a certain weight may be given to the operation amount of each driving operation set in the speed map for automatic driving, and the weighted operation amount may be corrected with the correction amount.
- the weight w is added to -5 km / h which is the difference between the two. Things are the correction amount.
- w is 0.5
- the correction amount is ⁇ 2.5 km / h, and is set to 37.5 km / h during the next automatic driving.
- the weight w is 0.05.
- the weight w is 0.5.
- the switching to the manual operation occurs 5 times in the 10 automatic operations
- the weight w is 0.25.
- the dissatisfaction with the automatic driving is converted into a numerical value and reflected in the correction amount, whereby the correction suitable for the driver's intention can be performed.
- FIG. 7 is a flowchart of a correction process for the driving operation in the automatic driving mode according to the first embodiment.
- the car navigation system 9 sets a route to the destination based on the map data stored in the map DB 10 as in FIG. 3 (step ST301).
- the car navigation system 9 reads road data corresponding to the route from the map DB 10, road speed limit information, intersection information, curve information on the route, and road-to-vehicle information obtainable by the communication device 17.
- a speed map on the route is generated based on the weather information and the weather information (step ST302).
- the correction unit 24 of the ECU 20 is a route that the vehicle 100 has traveled before by searching the data stored in the storage unit 23 for data relating to the route that generated the speed map. Then, it is determined whether or not the correction amount for the automatic operation is stored (step ST303). At this time, when the vehicle has not traveled on the set route before (step ST303; NO), the process proceeds to step ST309.
- step ST303 When traveling on the set route before and there is a correction amount for automatic driving (step ST303; YES), the correction unit 24 determines that the number of times AN of switching to manual driving in the target section exceeds a predetermined threshold. It is confirmed whether there is (step ST304). When the number of times of switching to manual operation AN is equal to or smaller than a predetermined threshold (step ST304; NO), the process proceeds to step ST307.
- the correction unit 24 corrects the driving operation set in the speed map with the correction amount for automatic driving (step ST305). .
- the correction unit 24 calculates the acceleration or deceleration between the two locations based on the vehicle speed set at the location where the current correction is made in the speed map and the vehicle speed set at the location ahead. Calculate (step ST306).
- the correcting unit 24 determines whether or not the calculated acceleration exceeds a driver's allowable value (threshold value) regarding acceleration, and whether or not the calculated deceleration exceeds a driver's allowable value (threshold value) regarding deceleration. Each of them is determined (step ST307).
- step ST307 If the calculated acceleration is equal to or less than the threshold value (step ST307; NO), the process returns to step ST303 and the above-described process is repeated. On the other hand, when the calculated acceleration exceeds the threshold value (step ST307; YES), the correction unit 24 is set to a location ahead of the location where the current correction is performed so that the acceleration is equal to or less than the threshold value.
- the correction amount for the vehicle speed is corrected (step ST308). Since it is not necessary to forcibly reach the set speed of the previous part, the correction amount is corrected so that the vehicle is accelerated within a range that does not cause a sense of incongruity for the driver. That is, the correction unit 24 corrects the correction amount at the previous location so that the amount of change per time at which the vehicle shifts to the corrected vehicle speed at the previous location is equal to or less than a predetermined value. Make it smaller.
- the correction unit 24 When the calculated deceleration exceeds the threshold value (step ST307; YES), the correction unit 24 is set to a location ahead of the location where the current correction is performed so that the deceleration is equal to or less than the threshold value.
- the correction amount for the vehicle speed is corrected (step ST308). For example, if the tip of a straight road is a curve and the deceleration to the vehicle speed set at the previous location is large, there is a possibility of sudden braking to reduce the vehicle speed. Therefore, the correction unit 24 corrects the correction amount so that the vehicle is decelerated within a range that does not cause a sense of incongruity for the driver. That is, the correction unit 24 corrects the correction amount at the previous location so that the amount of change per time at which the vehicle shifts to the corrected vehicle speed at the previous location is equal to or less than a predetermined value. Increase
- the speed map is corrected from the destination side. That is, on the travel route, the current correction location is on the destination side, and the further location is the departure location side.
- the vehicle control unit 25 starts automatic operation of the vehicle 100 based on the speed map (step ST309). By doing in this way, the speed setting suitable for a driver
- the above-described correction is performed together with the route setting. For this reason, for example, when a reroute is performed, the new route is corrected by the series of processes described above.
- the correction amount stored in the storage unit 23 may be appropriately checked or deleted by the driver. For example, a request for confirmation or deletion of correction contents is received by the input device.
- the information acquisition unit 21 of the ECU 20 reads the correction amount corresponding to the request accepted by the input device from the storage unit 23 and displays it on the display device 18 or deletes it from the storage unit 23.
- the driving support system 1 may perform driving support for each driver by identifying the driver in advance. In this case, for example, by dividing the portion reflecting the characteristics of the driver A and the portion reflecting the characteristics of the driver B into only conflicting portions, the correction amount of the other may be reflected mutually. Moreover, you may divide completely by both.
- FIG. 8 is a diagram showing an outline of an automatic driving section and a manual driving section on a road including a curve.
- the map data and the vehicle position are matched, and the curve is recognized by the detection data of the surrounding monitoring sensor 2 or the road-vehicle communication of the communication device 17.
- the speed and the steering amount of the vehicle 100 on the curve are optimized.
- the approach speed to the curve is determined based only on information recognized on the vehicle 100 side, there is a possibility that the speed will not be set to suit the driver's preference. For example, circumstances such as a narrow lane width or difficulty in seeing the tip of a curve are not reflected, and a vehicle speed that is faster than the driver's intention is set. In this case, the driver is more likely to switch to manual driving when entering the same curve.
- the driving support system 1 acquires the feature value of the driving operation using the switching to the manual driving as a trigger in order to eliminate the above-described problems, and determines the correction amount from the feature value. For example, when the driver performs manual driving when entering the curve with the vehicle 100, switching to manual driving and deceleration before entering the curve, steering amount during curve driving, switching to acceleration or automatic driving when leaving the curve Appears as a feature of driving. A section feature amount is calculated based on these features, and a correction amount is obtained from the section feature amount and reflected in automatic driving.
- the speed may not be set to suit the driver's preference.
- the characteristics of driving operation differ depending on signal information at intersections.
- the driver performs manual driving when entering the intersection with the vehicle 100, if it is a green signal, as in the curve, switching to manual driving and deceleration before entering the intersection, steering amount while driving in the intersection, leaving the intersection
- acceleration or switching to automatic operation appears as a characteristic of driving operation.
- the automatic operation is premised on a blue signal, and thus the characteristic amount of the driving operation obtained at this time is not stored as a correction amount.
- the position information of the vehicle 100 and the feature amount of the driving operation of the driver are triggered by the fact that the driving of the vehicle 100 is switched from the automatic driving mode to the manual driving mode.
- the driving operation to be corrected and the correction amount thereof in the automatic driving mode are determined from the acquired characteristic amount of the driving operation by the driver.
- the determined correction target driving operation and the correction amount are stored in association with the corresponding position information, and the correction target driving operation and the correction amount are used to correct the driving operation in the automatic driving mode,
- the vehicle 100 is controlled by the driving operation corrected in the automatic driving mode.
- the position information of the vehicle 100 and the characteristic amount of the driving operation of the driver are acquired by using the switching from the automatic driving mode to the manual driving mode as a trigger, so that the memory usage and the processing load can be reduced. Moreover, since the driving operation to be corrected and its correction amount in the automatic driving mode are determined based on the feature amount of the driving operation by the driver, the driving operation in the automatic driving can be corrected according to the driver's request.
- the traveling direction of the vehicle 100 is further acquired, and the driving operation to be corrected in the automatic driving mode for each traveling direction of the vehicle 100 based on the feature amount of the driving operation by the driver. And a correction amount thereof is determined.
- the determined correction target driving operation and its correction amount are stored in association with the corresponding position information and the traveling direction of the vehicle, and the correction target driving operation and the correction amount are used to store the position information in the automatic driving mode and The driving operation corresponding to the traveling direction of the vehicle 100 is corrected.
- working condition is obtained, and it becomes possible to perform the automatic driving
- the surroundings of the vehicle 100 are further acquired, and the feature amount used as the correction amount of the driving operation to be corrected from the feature amount of the driving operation by the driver based on the surrounding state of the vehicle 100 Determine.
- the memory usage can be further reduced by not storing the characteristic amount of the driving operation performed by the driver for the transient event as the correction amount.
- the amount of change per time for changing to the corrected vehicle state is corrected to be equal to or less than a predetermined value, sudden acceleration or sudden deceleration is performed at the place where the driving operation is corrected. Can be prevented.
- the number of times of switching from the automatic operation mode to the manual operation mode with respect to the number of times of traveling on the same route is calculated as the degree of dissatisfaction with the automatic operation mode, and the correction amount is weighted with the degree of dissatisfaction.
- the dissatisfaction with the automatic driving is converted into a numerical value and reflected in the correction amount, whereby the correction suitable for the driver's intention can be performed.
- FIG. FIG. 9 is a diagram showing a server in the driving support system according to Embodiment 2 of the present invention.
- the driving support system according to the second embodiment includes a communication device 301, a server 302, and a database 303 in the data center 30 in addition to the driving support device mounted on the vehicle 100.
- the communication device 301 is a communication unit that communicates with the driving support device. For example, a communication connection is established with the driving support device via a mobile phone or the like.
- the server 302 includes a database (DB) 303 that functions as the storage unit 23 described in the first embodiment, and further includes the determination unit 22 and the correction unit 24 described in the first embodiment.
- the driving support device mounted on the vehicle 100 includes the information acquisition unit 21 and the vehicle control unit 25 described in the first embodiment. Note that the server 302 may perform route search and speed map generation by registering map data and the like in the DB 303.
- FIG. 10 is a flowchart of processing for acquiring a feature amount in the manual operation mode in the second embodiment.
- the process of FIG. 10 is performed by a driving support device mounted on the vehicle 100.
- the information acquisition unit 21 confirms whether or not the vehicle 100 has been changed from the automatic operation mode to the manual operation mode based on the operation signal of the automatic operation switch 8 (step ST401). ). If the mode is not changed to the manual operation mode (step ST401; NO), the process returns to step ST401, and the above determination process is repeated.
- the information acquisition unit 21 acquires various feature amounts of the driving operation in the manual operation mode when the vehicle 100 is changed to the manual operation mode (step ST401; YES) (step ST402).
- the feature amount of the driving operation by the driver in the manual driving mode is transmitted from the information acquisition unit 21 to the server 302 via the communication device 17 (step ST403).
- FIG. 11 is a flowchart of processing for storing the correction target and the correction amount in the automatic operation mode according to the second embodiment.
- the server 302 implements the processing in FIG. Server 302 determines whether or not a feature amount is received from the vehicle side via communication device 301 (step ST501). If no feature value is received from the vehicle side (step ST501; NO), the process returns to step ST501 and the above determination process is repeated.
- the determination unit 22 of the server 302 determines whether the received feature amount needs to be stored as a correction amount.
- the driving operation to be corrected and the method for determining the correction amount are the same as in the first embodiment.
- the driving operation to be corrected and its correction amount are stored in the DB 303 in association with the corresponding position information and the traveling direction of the vehicle 100 (step ST502).
- the case where only the feature amount determined by the determination unit 22 among the feature amounts of the driving operation acquired by the information acquisition unit 21 is stored as the correction amount has been described. Compared to support devices, there is a margin in storage capacity. Therefore, a weight corresponding to the reflection rate at the time of correction may be given to each feature amount and stored in the DB 303 as a correction amount.
- FIG. 12 is a flowchart of a correction process for the driving operation in the automatic driving mode according to the second embodiment.
- the server 302 performs the process of FIG. First, the correction unit 24 of the server 302 checks whether or not there is an inquiry about a route and a speed map from the driving support device via the communication device 301 (step ST601). If there is no inquiry (step ST601; NO), the process returns to step ST601 and repeats the determination process.
- step ST601 When there is an inquiry (step ST601; YES), the correction unit 24 reads the correction amount for the route of the speed map corresponding to the inquiry from the DB 303, and, as in FIG. 7, the automatic operation mode set in this speed map.
- the driving operation at is corrected (step ST602).
- the corrected speed map and route are transmitted to the driving support device via the communication device 301 (step ST603).
- the vehicle control unit 25 starts automatic driving of the vehicle 100 based on the speed map received from the server 302 side.
- the determination unit 22, the DB 303 that functions as the storage unit 23, and the correction unit 24 are provided in the server 302 that can communicate with the driving support device, thereby obtaining information.
- the unit 21 transmits the acquired position information of the vehicle 100 and the feature amount of the driving operation by the driver to the server 302, and the vehicle control unit 25 performs the driving operation corrected by the correcting unit 24 received from the server 302 by the vehicle operation 100. To control. Even with this configuration, as in the first embodiment, it is possible to correct the automatic driving according to the driver while reducing the memory usage and the processing load.
- any combination of each embodiment, any component of each embodiment can be modified, or any component can be omitted in each embodiment. .
- the driving support device can correct the automatic driving according to the driver while reducing the memory usage and the processing load, the driving support device for the vehicle capable of switching between the automatic driving and the manual driving. It is suitable for.
- Driving support system 2. Perimeter monitoring sensor, 3. Vehicle speed sensor, 4. Gyro sensor, 5. GPS receiver, 6. Direction indicator, 7. Speed setting switch, 8. Automatic driving switch, 9. Car navigation system, 10. Map information database (DB) , 11 Accelerator actuator, 12 Accelerator pedal sensor, 13 Brake actuator, 14 Brake pedal sensor, 15 Steering actuator, 16 Steering sensor, 17 Communication device, 18 Display device, 19 Alarm device, 20 ECU, 21 Information acquisition unit, 22 Determination unit , 23 storage unit, 24 correction unit, 25 vehicle control unit, 30 data center, 100 vehicle, 301 communication device, 302 server, 303 database (DB).
- Map information database 11 Accelerator actuator, 12 Accelerator pedal sensor, 13 Brake actuator, 14 Brake pedal sensor, 15 Steering actuator, 16 Steering sensor, 17 Communication device, 18 Display device, 19 Alarm device, 20 ECU, 21 Information acquisition unit, 22 Determination unit , 23 storage unit, 24 correction unit, 25 vehicle control unit, 30 data center, 100 vehicle, 301 communication device, 302 server, 303 database (
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Abstract
Description
また、運転者が望まない運転操作も学習されるため、運転者にとって違和感のある運転制御が行われる場合もある。
また、特許文献2に記載の運転支援システムは、コーナーなどの対象エリアに自車両が進入した際に複数の種別の各々に対応する特徴点を記録して、記録した特徴点に基づいて特徴点のばらつきの程度を種別ごとに示すばらつきマップを生成する。そして、ばらつきマップにおけるばらつきの程度の平均値を有する特徴点を再現するように運転支援が実施される。
実施の形態1.
図1は、この発明に係る運転支援システムの構成を示すブロック図である。図2は、実施の形態1に係る運転支援装置として機能するECUの構成を示すブロック図である。
図1において、運転支援システム1は、車両に搭載されて、自動運転モードと運転者による手動運転モードとを切り替えることにより、車両の運転を支援するシステムである。
その構成として、周辺監視センサ2、車速センサ3、ジャイロセンサ4、GPS(Global Positioning System)受信機5、方向指示器6、速度設定スイッチ7、自動運転スイッチ8、カーナビゲーションシステム9、地図情報データベース(DB)10、アクセルアクチュエータ11、アクセルポジションセンサ12、ブレーキアクチュエータ13、ブレーキポジションセンサ14、ステアリングアクチュエータ15、ステアリングセンサ16、通信装置17、表示装置18、警報装置19およびECU(Electronic Control Unit)20を備える。
なお、図1には、説明の便宜上、この実施の形態に直接関係がある構成要素のみを記載しており、その他の構成要素については図示を省略している。
速度設定スイッチ7は、車両の速度設定に利用されるスイッチである。例えば、自動運転モードまたはACC(Adaptive Crueise Controll)モードのように、前方車両を検知しながら速度設定スイッチ7で設定された速度を保って車両を走行させる機能を持った車両に用いられる。なお、速度設定スイッチ7で設定された速度はECU20へ送信される。
自動運転スイッチ8は、自車両を自動運転モードするか、または手動運転モードにするかの設定を受け付ける。自車両の運転が自動運転モードであるか手動運転モードであるかをECU20へ送信する。
ブレーキアクチュエータ13は、ブレーキのポジションまたはECU20からの信号に応じて車両の減速を行う。ブレーキポジションセンサ14は、ブレーキペダルの操作量(ブレーキペダルの踏下量)を検出するセンサである。ステアリングアクチュエータ15は、ハンドルの操舵量および操舵方向に応じて車両の進行方向を操作する。ステアリングセンサ16は、ハンドルの操舵量および操舵方向を検出するセンサであり、検出した操舵量および操舵方向を示す信号をECU20へ送信する。
また通信装置17には、他車両との間で行う車車間通信や携帯電話などを介した通信を行う通信装置も含まれる。
また、ECU20は、実施の形態1に係る運転支援装置の機能構成として、図2に示すように、情報取得部21、判定部22、記憶部23、補正部24および車両制御部25を備える。
例えば、車両の現在位置において、自動運転モードに設定された車両速度が、手動運転モードにおける車両速度(特徴量)より予め定めた閾値以上のずれがある場合、この運転操作を補正対象とし、手動運転モードにおける車両速度を自動運転モードの補正量と判定する。
補正部24は、記憶部23から読み出した補正対象の運転操作およびその補正量を用いて、自動運転モードにおける位置情報に対応した運転操作を補正する補正部である。
例えば、車両の現在位置に対応する補正対象が車速である場合は、記憶部23から読み出された車速の補正量で自動運転モードに設定された車速が補正される。
また、車両の周辺状況を認識して障害物に衝突しないように車両速度を設定するACC機能の運転モードを自動運転モードとしてもよい。
さらに、自動運転モードは、自車位置に対応する地図情報、路車間情報および車車間情報などを取得してルート設定を行うことにより、車両の速度、ハンドルの操舵量および操舵方向を全て制御する自動運転機能の運転モードであってもよい。
以降では、運転支援システム1の自動運転モードが上述した自動運転機能の運転モードであるものとして説明を行う。なお、自動運転モードは、ユーザが自動運転スイッチ8を操作することで設定される。また運転者が手動運転モードに切り替える場合は、自動運転スイッチ8を操作して行ってもよいし、ブレーキポジションまたはアクセルポジションの変化に応じて自動的に手動運転モードに切り替わるようにしてもよい。
運転者が、カーナビゲーションシステム9に目的地を入力する。これにより、カーナビゲーションシステム9は、地図DB10に記憶された地図データに基づいて、入力された目的地までのルートを設定する(ステップST101)。
ルート設定が完了すると、カーナビゲーションシステム9は、地図DB10からルートに対応する道路データを読み出して、ルートにおける道路の制限速度情報、交差点情報、カーブ情報、および通信装置17によって取得可能な路車間情報や天候情報などを基に、ルート上における速度マップを生成する(ステップST102)。なお、速度マップは、ルート上の速度変更ポイントが記載された情報である。自動運転モードにおいては、各速度変更ポイントに設定された速度になるように車両の速度が制御される。
この後、運転者が自動運転スイッチ8を押下することにより、車両の運転モードが自動運転モードに切り替えられ、自動運転が開始する(ステップST103)。
情報取得部21は、自動運転スイッチ8の操作信号などに基づいて、車両100が自動運転モードから手動運転モードへ変更された(切り替わった)かどうかを確認する(ステップST201)。手動運転モードへ変更されなければ(ステップST201;NO)、ステップST201の処理に戻り、上記判定処理を繰り返す。
例えば、手動運転区間全体を1つの規定区間として特徴量を継続して取得してもよい。また手動運転区間を複数の規定区間に分割し、規定区間ごとに特徴量を取得してもよい。
例えば、車両100の速度が最高または最低となる時点、車両100に生じる減速度または加速度が最大となる時点、ハンドルが切られた時点ごとに規定区間を設定する。
また時分割で規定区間を設定してもよい。さらに地図上のルートに設定した距離ごとに規定区間を定義し各規定区間内で特徴量を取得してもよい。速度マップがある場合には、ルート上の速度変更ポイントごとに規定区間を設けてもよい。
一方、規定区間が終了した場合(ステップST203;YES)、情報取得部21は、区間特徴量を算出する(ステップST204)。区間特徴量とは、規定区間で取得された複数の特徴量を規定区間ごとにまとめた特徴量である。例えば、規定区間内で取得された複数の特徴量を移動平均した値を区間特徴量とする。
このように特徴量を全て保存し続けるのではなく、規定区間内の特徴量に移動平均などを施して区間特徴量としてまとめて保存する。これによりメモリ使用量を低減することが可能である。
例えば、区間特徴量と自動運転モードに設定された上記区間における運転操作の特徴量とを比較して、これらの差分が予め定めた閾値を超える場合、この区間における自動運転モードの設定は、運転者の要望に合致していないと判断し、この区間特徴量を補正量として保存する。
例えば、図6は運転操作の特徴情報の例を示す図である。図6において、運転情報は、各運転操作を規定する情報であり、加速操作、減速操作、ステアリング操作などがある。運転情報で規定される各運転操作は、対応する操作の特徴量により特定される。例えば、加速操作は、この操作により得られた車両100の加速度が特徴量であり、ステアリング操作は、この操作により得られた操舵量および操舵方向が特徴量となる。
地点情報および周辺情報については、図6に示すように想定される内容を予め設定しておき、車両100の現在位置に合致する内容に数値“1”を付与する。図6の例は、図5に示した手動運転区間を車両100が走行している場合を示しており、地点情報の“直線道路”に“1”が付与されている。
また、地点情報の“直線道路”に“1”が付与され、走行路が直線道路であるにも関わらず大きなハンドル操作が行われた場合についても、車両100で障害物を避けるような異常な事象が発生したものと判断し、このときに得られた運転操作の特徴量を補正量として保存しない。このようにすることで、一過性の事象に対して運転者が行った運転操作の特徴量を補正量として保存しないことで、メモリ使用量をさらに削減することができる。
また、特徴量を補正量として記憶する必要があると判定した場合(ステップST205;YES)、判定部22は、手動運転への切り替え回数を+1加算して記憶部23に保存する(ステップST206)。手動運転への切り替え回数とは、同一の走行ルートにおいて手動運転に切り替えられた回数であり、このルートにおける自動運転に補正が必要であった回数に相当する。
このとき、車両100の進行方向ごとに補正量を記憶してもよい。すなわち、判定部22が、情報取得部21により取得された運転者による運転操作の特徴量に基づいて、車両100の進行方向ごとに、自動運転モードにおける補正対象の運転操作およびその補正量を判定する。そして、記憶部23が、自動運転モードにおける補正対象の運転操作およびその補正量を対応する位置情報および車両100の進行方向に紐付けて記憶してもよい。例えば、行き道と帰り道で別々の補正量を保存する。
このようにすることで、実際の走行状況に応じた補正量が得られ、運転者の要望に応じた自動運転を行うことが可能となる。
そこで、同一の走行ルートにおける走行回数Nとそのとき自動運転から手動運転へ切り替えた切り替え回数ANを用いて、下記式(1)から自動運転不満度Nsを算出する。
そして、重みwの初期量が0.5である場合、下記式(2)から自動運転不満度Nsを用いてさらに重み付けを行う。
自動運転不満度Ns=切り替え回数AN/走行回数N ・・・(1)
w=0.5×自動運転不満度Ns ・・・(2)
また、ある走行ルートを初めて自動運転で通った際に手動運転への切り替えが発生した場合には、走行回数N=1、切り替え回数AN=1であるので、自動運転不満度Nsは1となる。従って、重みwは0.5となる。
さらに、10回の自動運転で手動運転への切り替えが5回発生した場合は、走行回数N=10、切り替え回数AN=5であるので、自動運転不満度Nsは、5/10=0.5となり、重みwは0.25となる。このように自動運転への不満を数値化して補正量に反映することにより、運転者の意図にあった補正を行うことができる。
図7は、実施の形態1における自動運転モードの運転操作に対する補正処理のフローチャートである。まず、カーナビゲーションシステム9は、目的地が入力されると、図3と同様に、地図DB10に記憶された地図データに基づいて目的地までのルートを設定する(ステップST301)。ルート設定が完了すると、カーナビゲーションシステム9は、地図DB10からルートに対応する道路データを読み出して、ルートにおける道路の制限速度情報、交差点情報、カーブ情報、および通信装置17によって取得可能な路車間情報や天候情報などを基にルート上における速度マップを生成する(ステップST302)。
手動運転への切り替え回数ANが予め定められた閾値以下の場合(ステップST304;NO)、ステップST307の処理に移行する。
次に、補正部24は、速度マップで今回補正を行った箇所に設定されている車両速度とその先の箇所に設定されている車両速度とに基づいて、両箇所間の加速度または減速度を算出する(ステップST306)。
続いて、補正部24は、算出した加速度が加速に関する運転者の許容値(閾値)を超えているか否か、および、算出した減速度が減速に関する運転者の許容値(閾値)を超えているか否かをそれぞれ判定する(ステップST307)。
一方、算出した加速度が上記閾値を超えている場合(ステップST307;YES)、補正部24は、加速度が上記閾値以下となるように、今回補正を行った箇所の先の箇所に設定されている車両速度に対する補正量を修正する(ステップST308)。
先の箇所の設定速度に無理に到達する必要はないため、運転者にとって違和感のない範囲で加速されるように補正量を修正する。
すなわち、補正部24が、先の箇所の補正後の車両速度へ変移する時間当たりの変移量が予め定めた値以下になるように、先の箇所における補正量を修正して補正後の車両速度を小さくする。
そこで、補正部24は、運転者にとって違和感のない範囲で減速されるように補正量を修正する。すなわち、補正部24が、先の箇所の補正後の車両速度へ変移する時間当たりの変移量が予め定めた値以下になるように、先の箇所における補正量を修正して補正後の車両速度を大きくする。
速度マップのルート上の全ての箇所で上記補正が完了すると、車両制御部25は、この速度マップに基づいて車両100の自動運転を開始する(ステップST309)。
このようにすることで、同一のルートを次回に走行する場合に、運転者の嗜好に合った速度設定を行うことができる。
記憶部23に保存した補正量は、運転者が内容の確認や削除を適宜行えるようにしてもよい。例えば、入力装置で補正内容の確認または削除の要求を受け付ける。ECU20の情報取得部21は、入力装置によって受け付けられた要求に対応する補正量を記憶部23から読み出して表示装置18に表示する、もしくは、記憶部23から削除する。
車両100の自動運転でカーブを走行する場合には、一般的に、地図データと車両位置とのマッチングを行い、周辺監視センサ2の検出データまたは通信装置17の路車間通信でカーブを認識することにより、カーブにおける車両100の速度およびステアリング量を最適化している。
例えば、運転者が車両100でカーブに進入する際に手動運転を行う場合、カーブ進入前は手動運転への切り替えと減速、カーブ走行中は操舵量、カーブ離脱時は加速もしくは自動運転への切り替えが運転操作の特徴として現れる。これらの特徴に基づいて区間特徴量を算出し、区間特徴量から補正量を求めて自動運転に反映させる。
例えば、交差点では信号情報によって運転操作の特徴が異なる。運転者が車両100で交差点に進入する際に手動運転を行う場合、青信号であればカーブと同様に、交差点進入前は手動運転への切り替えと減速、交差点内の走行中は操舵量、交差点離脱時は加速もしくは自動運転への切り替えが運転操作の特徴として現れる。
しかし、黄信号への切り替わりの際に加速を行った場合、自動運転では青信号を前提としているので、このときに得られた運転操作の特徴量は補正量として保存しない。
このように自動運転モードから手動運転モードへ切り替えられたことをトリガとして、車両100の位置情報および運転者の運転操作の特徴量を取得するので、メモリ使用量と処理負荷を軽減することができる。また、運転者による運転操作の特徴量に基づいて自動運転モードにおける補正対象の運転操作およびその補正量を判定するので、自動運転における運転操作を運転者の要望に合わせて補正することができる。
図9は、この発明の実施の形態2に係る運転支援システムにおけるサーバを示す図である。図9に示すように、この実施の形態2に係る運転支援システムは、車両100に搭載された運転支援装置に加えて、データセンタ30における通信装置301、サーバ302およびデータベース303を備える。通信装置301は、運転支援装置との間で通信する通信部である。例えば、携帯電話などを介して運転支援装置と通信接続する。
サーバ302は、実施の形態1で示した記憶部23として機能するデータベース(DB)303を備え、さらに実施の形態1で示した判定部22および補正部24を備える。
また、車両100に搭載された運転支援装置は、実施の形態1で示した情報取得部21および車両制御部25を備える。なお、DB303に地図データなども登録することで、サーバ302がルート探索や速度マップの生成を行ってもよい。
図10は、実施の形態2における手動運転モードの特徴量を取得する処理のフローチャートである。図10の処理は、車両100に搭載された運転支援装置が実施する。
まず、情報取得部21は、実施の形態1と同様に、自動運転スイッチ8の操作信号などに基づいて、車両100が自動運転モードから手動運転モードへ変更されたか否かを確認する(ステップST401)。手動運転モードへ変更されなければ(ステップST401;NO)、ステップST401の処理に戻り、上記判定処理を繰り返す。
サーバ302は、通信装置301を介して車両側から特徴量を受信したか否かを判定する(ステップST501)。車両側から特徴量を受信しなければ(ステップST501;NO)、ステップST501の処理に戻り、上記判定処理を繰り返す。
なお、実施の形態1では、情報取得部21に取得された運転操作の特徴量のうち、判定部22に判定された特徴量のみを補正量として保存する場合を示したが、DB303は、運転支援装置に比べて記憶容量に余裕がある。そこで、補正時の反映率に相当する重みを各特徴量に付与して補正量としてDB303に保存してもよい。
まず、サーバ302の補正部24が、通信装置301を介して運転支援装置からルートと速度マップの問い合わせがあったか否かを確認する(ステップST601)。
問い合わせがなければ(ステップST601;NO)、ステップST601に戻って、上記判定処理を繰り返す。
車両制御部25は、サーバ302側から受信した速度マップに基づいて、車両100の自動運転を開始する。
このように構成しても、実施の形態1と同様に、メモリ使用量および処理負荷を軽減しつつ、運転者に合わせて自動運転を補正することができる。
Claims (8)
- 自動運転モードと運転者による手動運転モードとを切り替えて車両を運転支援する運転支援装置であって、
前記車両の運転が前記自動運転モードから前記手動運転モードへ切り替えられたことをトリガとして、前記車両の位置情報および前記運転者による運転操作の特徴量を取得する情報取得部と、
前記情報取得部により取得された前記運転者による運転操作の特徴量から前記自動運転モードにおける補正対象の運転操作およびその補正量を判定する判定部と、
前記判定部により判定された前記補正対象の運転操作およびその補正量を対応する位置情報に紐付けて記憶する記憶部と、
前記記憶部から読み出した前記補正対象の運転操作およびその補正量を用いて前記自動運転モードにおける運転操作を補正する補正部と、
前記補正部により補正された運転操作を含む前記自動運転モードで前記車両を制御する車両制御部とを備える運転支援装置。 - 前記情報取得部は、車両の進行方向をさらに取得し、
前記判定部は、前記情報取得部により取得された前記運転者による運転操作の特徴量に基づいて、前記車両の進行方向ごとに、前記自動運転モードにおける補正対象の運転操作およびその補正量を判定し、
前記記憶部は、前記判定部により判定された前記補正対象の運転操作およびその補正量を、対応する位置情報および前記車両の進行方向に紐付けて記憶し、
前記補正部は、前記記憶部から読み出した前記補正対象の運転操作およびその補正量を用いて、前記自動運転モードにおける前記位置情報および前記車両の進行方向に対応した運転操作を補正することを特徴とする請求項1記載の運転支援装置。 - 前記情報取得部は、車両の周辺状況をさらに取得し、
前記判定部は、前記車両の周辺状況に基づいて前記運転者による運転操作の特徴量から前記補正対象の運転操作の補正量とする特徴量を判定することを特徴とする請求項1記載の運転支援装置。 - 前記補正部は、補正後の車両状態へ変移する時間当たりの変移量が予め定めた値以下となるように補正することを特徴とする請求項1記載の運転支援装置。
- 前記補正部は、同一ルートの走行回数に対する自動運転モードから手動運転モードへの切り替え回数を自動運転モードに対する不満度として算出し、前記補正量を前記不満度で重み付けすることを特徴とする請求項1記載の運転支援装置。
- 前記判定部、前記記憶部および前記補正部は、前記運転支援装置との間で通信が可能なサーバに設けられ、
前記情報取得部は、取得した前記車両の位置情報および前記運転者による運転操作の特徴量を前記サーバに送信し、
前記車両制御部は、前記サーバから受信した、前記補正部により補正された運転操作で前記車両を制御することを特徴とする請求項1記載の運転支援装置。 - 自動運転モードと運転者による手動運転モードとを切り替えて車両を運転支援する運転支援方法であって、
情報取得部が、前記車両の運転が前記自動運転モードから前記手動運転モードへ切り替えられたことをトリガとして、前記車両の位置情報および前記運転者による運転操作の特徴量を取得し、
判定部が、前記情報取得部により取得された前記運転者の運転操作の特徴量から前記自動運転モードにおける補正対象の運転操作およびその補正量を判定し、
記憶部が、前記自動運転モードにおける補正対象の運転操作およびその補正量を対応する位置情報に紐付けて記憶し、
補正部が、前記記憶部から読み出した前記補正対象の運転操作およびその補正量を用いて、前記自動運転モードにおける運転操作を補正し、
車両制御部が、前記補正部により補正された運転操作を含む前記自動運転モードで前記車両を制御する運転支援方法。 - 自動運転モードと運転者による手動運転モードとを切り替えて車両を運転支援する運転支援方法であって、
運転支援装置の情報取得部が、前記車両の運転が前記自動運転モードから前記手動運転モードへ切り替えられたことをトリガとして、前記車両の位置情報および前記運転者による運転操作の特徴量を取得してサーバに送信し、
前記サーバの判定部が、前記情報取得部により取得された前記運転者の運転操作の特徴量から前記自動運転モードにおける補正対象の運転操作およびその補正量を判定し、
前記サーバの記憶部が、前記自動運転モードにおける補正対象の運転操作およびその補正量を対応する位置情報に紐付けて記憶し、
前記サーバの補正部が、前記記憶部から読み出した前記補正対象の運転操作およびその補正量を用いて、前記自動運転モードにおける運転操作を補正し、
前記運転支援装置の車両制御部が、前記補正部により補正された運転操作を含む前記自動運転モードで前記車両を制御する運転支援方法。
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JP7104250B2 (ja) | 2019-03-19 | 2022-07-20 | 馭勢科技(北京)有限公司 | 自動運転システムのアップグレード方法、自動運転システム及び車載機器 |
JP7121864B2 (ja) | 2019-03-19 | 2022-08-18 | 馭勢科技(北京)有限公司 | 自動運転システムのアップグレード方法、自動運転システム及び車載機器 |
KR20230083056A (ko) * | 2021-12-02 | 2023-06-09 | 한국과학기술연구원 | 자율 주행용 뉴로모픽 프로세서 |
KR102653754B1 (ko) | 2021-12-02 | 2024-04-03 | 한국과학기술연구원 | 자율 주행용 뉴로모픽 프로세서 |
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CN106232443A (zh) | 2016-12-14 |
DE112014006584B4 (de) | 2022-09-22 |
DE112014006584T5 (de) | 2017-03-23 |
CN106232443B (zh) | 2018-10-02 |
US9919717B2 (en) | 2018-03-20 |
JPWO2015159341A1 (ja) | 2017-04-13 |
US20160347328A1 (en) | 2016-12-01 |
JP6246336B2 (ja) | 2017-12-13 |
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