JP6532709B2 - Driving support system, method and program - Google Patents

Driving support system, method and program Download PDF

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JP6532709B2
JP6532709B2 JP2015046002A JP2015046002A JP6532709B2 JP 6532709 B2 JP6532709 B2 JP 6532709B2 JP 2015046002 A JP2015046002 A JP 2015046002A JP 2015046002 A JP2015046002 A JP 2015046002A JP 6532709 B2 JP6532709 B2 JP 6532709B2
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point
deceleration
learning
vehicle
control unit
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JP2016167133A (en
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孝幸 宮島
孝幸 宮島
春紀 小栗
春紀 小栗
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アイシン・エィ・ダブリュ株式会社
トヨタ自動車株式会社
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Description

  The present invention relates to a driving support system, method, and program for performing driving support.
  BACKGROUND Conventionally, techniques for learning operation content while driving a vehicle are known. For example, Patent Document 1 discloses a configuration in which an operation mode of a vehicle is detected, and information related to the operation mode is learned in association with traffic information.
JP, 2011-227833, A
As in the prior art described above, in the configuration for learning the operation content during driving, it is preferable to display the learning result on the map in the process of performing control reflecting the learning. However, when the learning points are simply displayed on the map, the visibility of the map or the learning points is reduced when the number of learning points is large.
The present invention has been made in view of the above problem, and an object thereof is to provide a technology for displaying a learning point on a map in an easy-to-understand manner.
  In order to achieve the above object, the driving support system records on the recording medium the deceleration points at which the vehicle has decelerated in the past, and records the deceleration points meeting the learning conditions on the recording medium as the learning points. Display control means for displaying the learning points in the first mode on the map displayed on the display unit, and displaying the learning points where the vehicle is expected to pass in the current travel according to the second mode; Equipped with
  Further, in order to achieve the above object, the driving support method records on the recording medium the deceleration points at which the vehicle has been decelerated in the past, and records on the recording medium the deceleration points satisfying the learning conditions as the learning points. A display control step of displaying a learning point according to a first mode on a point recording step and a map displayed on the display unit, and displaying a learning point where a vehicle is expected to pass in the current travel according to a second mode And is configured to include.
  Furthermore, in order to achieve the above object, the driving support program records on the recording medium the deceleration points at which the vehicle has been decelerated in the past, and records on the recording medium the deceleration points satisfying the learning conditions as the learning points. Display control function, displaying a learning point according to the first mode on the map displayed on the display unit and a point recording function, and displaying a learning point expected to be passed by the vehicle this time according to the second mode And are configured to cause a computer to realize.
  As described above, the driving support system, method, and program display the learning point expected to pass in the current travel and the other learning points in different modes. That is, the user is highly interested in the learning points passed in this travel, and the other learning points are relatively uninteresting. Therefore, by displaying the learning points expected to pass in the current travel and the other learning points in different modes, the learning points can be displayed on the map in an easy-to-understand manner according to the user's interest .
It is a block diagram showing a navigation system containing a run support system. It is a flowchart which shows a point display process. (3A) (3B) is a figure which shows the example of a map display.
Here, embodiments of the present invention will be described in the following order.
(1) Configuration of navigation system:
(2) Point display processing:
(3) Other embodiments:
(1) Configuration of navigation system:
FIG. 1 is a block diagram showing the configuration of a driving support system mounted on a vehicle. In the present embodiment, the driving support system is realized by the navigation system 10. The navigation system 10 includes a control unit 20 including a CPU, a RAM, a ROM, and the like, and the control unit 20 can execute a program stored in the ROM. In the present embodiment, a navigation program can be executed as one of the programs. The said navigation program is a program which makes the control part 20 implement | achieve the function which searches for the driving | running route for arriving at the destination which the user instructed from the present location. Furthermore, the navigation program is a program that causes the control unit 20 to implement a function of displaying a map including the current location of the vehicle on the display unit of the navigation system and guiding the driver along the travel route to the destination. . The navigation program includes various programs used in a traveling process, and in the present embodiment, a traveling support program that learns a point decelerated in the past and performs control to decelerate the vehicle at the learned point 21 is included.
  The vehicle according to the present embodiment includes a GPS receiving unit 41, a vehicle speed sensor 42, a gyro sensor 43, a brake sensor 44, a user I / F unit 45, a transmission 46, and an engine (internal combustion engine) 46. The vehicle according to the present embodiment is a vehicle driven by the engine 47, and the torque generated by the engine 47 is transmitted to the transmission 46 via the torque converter. In the present embodiment, the transmission ratio of torque from the torque converter to the transmission 46 can be adjusted by the clutch. That is, when the control unit 20 outputs a control signal to the clutch, the clutch is driven, and the degree of coupling between the output shaft of the torque converter and the input shaft of the transmission 46 can be adjusted. In the present embodiment, the control unit 20 outputs a control signal to the clutch so that no torque is transmitted from the torque converter to the transmission 46 (a state where power is not transmitted between the engine and the wheels: completely released) And a state in which maximum torque is transmitted (completely coupled state) or a state in which a predetermined torque is transmitted (predetermined torque transmission state).
  The predetermined torque transmission state is, for example, a clutch that controls the interlocking performance of the rotation of each shaft by the friction between the disk interlocked with the output shaft of the torque converter and the disk interlocked with the input shaft of the transmission 46. It is in the state of transmitting torque while sliding. In the present embodiment, the completely coupled state and the defined torque transmission state are states in which power is transmitted between the engine and the wheels. Further, the transmission 46 is provided with a shift lever (not shown), and the driver operates the shift lever to shift the transmission gear ratio at the time of forward movement (in the present embodiment, the gear ratio is automatically changed at forward movement) Drive range, which may be a range set to a specific gear ratio), a shift range (neutral range) for completely releasing the clutch, or a shift range (reverse range) for reverse gear ratio It is possible to select a range.
  Further, the control unit 20 can change the shift range by outputting a control signal to the transmission 46, and can obtain the current transmission ratio based on the output signal from the transmission 46. . In the present embodiment, by outputting a control signal to the transmission 46, the control unit 20 can execute deceleration control that applies a deceleration force to the vehicle. That is, when the control unit 20 outputs a control signal to the transmission 46 to set the shift range to the drive range, and outputs the control signal to the engine 47 to stop the fuel supply, the engine mounted on the vehicle and the wheels Power is transmitted between them and fuel supply to the engine is stopped, and engine braking acts on the vehicle.
  Furthermore, the vehicle according to the present embodiment can apply a decelerating force to the vehicle by operating the brake pedal (not shown), and the brake sensor 44 outputs a signal indicating the presence or absence of the operation on the brake pedal. Output. Control unit 20 specifies whether or not the brake pedal is operated based on the signal.
  The GPS receiving unit 41 receives a radio wave from a GPS satellite, and outputs a signal for calculating the current position of the vehicle through an interface (not shown). The vehicle speed sensor 42 outputs a signal corresponding to the rotational speed of the wheels provided in the vehicle. The control unit 20 acquires this signal via an interface (not shown) to acquire the vehicle speed. The gyro sensor 43 detects angular acceleration of turning in the horizontal plane of the vehicle, and outputs a signal corresponding to the direction of the vehicle. The control unit 20 acquires this signal to acquire the traveling direction of the vehicle. The control unit 20 acquires the current location of the vehicle by specifying the traveling locus of the vehicle based on the output signals of the vehicle speed sensor 42, the gyro sensor 43, and the like. The output signal of the GPS receiving unit 41 is used to correct the current position of the vehicle specified by the vehicle speed sensor 42 and the gyro sensor 43 or the like.
  The user I / F unit 45 is an interface unit for providing various information to the user or inputting a user's instruction, and in the present embodiment, a speaker for outputting an audio and a display unit including a touch panel display (not shown). Is equipped. The control unit 20 outputs a control signal to the user I / F unit 45 to display an arbitrary image on the display unit, and causes the speaker to output an arbitrary sound. Also, the control unit 20 specifies the content of the user's instruction based on the output signal of the user I / F unit 45.
  Map information 30 a is recorded on the recording medium 30. The map information 30a is node data indicating the position of a node corresponding to an end point (intersection) of a road on which the vehicle travels, shape interpolation point data indicating a position of a shape interpolation point for specifying the shape of the road between nodes, , Link data indicating connection between nodes, and the like. Further, in the node data, information indicating the attribute of the road (highway, general road, etc.) is associated with the link data.
  Furthermore, the deceleration point information 30 b and the learning point information 30 c may be recorded on the recording medium 30 in the operation process of the navigation system 10. The deceleration point information 30b is information indicating a point at which the vehicle is decelerated, and is information indicating a point at which the vehicle speed of the vehicle decreases and becomes smaller than a predetermined value. The learning point information 30c is information indicating a learning point, and in the present embodiment, a point which meets the learning condition among the deceleration points is taken as a learning point.
  The control unit 20 displays the learning point on the display unit of the user I / F unit 45 by executing the driving support program 21 included in the navigation program. In order to execute this process, the driving support program 21 includes a point recording unit 21a and a display control unit 21b. The driving support program 21 further includes a deceleration control unit 21c for performing deceleration control.
  The point recording unit 21a is a program that causes the control unit 20 to record the deceleration points at which deceleration has been performed in the past on the recording medium and also causes the control unit 20 to record the deceleration points satisfying the learning conditions on the recording medium as learning points. It is a module. That is, the control unit 20 monitors the vehicle speed of the vehicle based on the output signal of the vehicle speed sensor 42 and the like, and when the vehicle speed of the vehicle becomes smaller than a predetermined threshold, the GPS receiving unit 41, the vehicle speed sensor 42, and the gyro The current position is acquired based on the output signal of the sensor 43. Then, the current position is regarded as a deceleration point, and deceleration point information 30 b indicating the deceleration point is recorded on the recording medium 30. Note that after the deceleration point is recorded on the recording medium 30, the number of times the deceleration point indicated by the deceleration point information 30b has passed and the number of times the deceleration has been made are also associated with the deceleration point information 30b.
  That is, when the deceleration point information 30b indicating the new deceleration point is recorded on the recording medium 30, the control unit 20 then indicates the deceleration point information 30b regardless of whether or not the deceleration is performed. Count the number of passes at the deceleration point. In addition, when the vehicle speed of the vehicle becomes smaller than the predetermined threshold, the control unit 20 detects the point and the existing speed if the point where the vehicle speed becomes smaller than the predetermined threshold is within the predetermined distance from the existing deceleration point. Decelerating point is considered to be identical. Then, the control unit 20 increases the number of decelerations by one. The control unit 20 associates the number of times of passage thus counted and the number of times of deceleration with the deceleration point indicated by the deceleration point information 30b.
  Furthermore, the control unit 20 records the learning point information 30c indicating the learning point on the recording medium 30, with the deceleration point satisfying the learning condition as the learning point by the process of the point recording unit 21a. In the present embodiment, it is determined that the point recording means satisfies the learning condition when the vehicle is decelerated at a deceleration point that can be regarded as the same point, and the number of decelerations is greater than a predetermined reference. Specifically, the control unit 20 acquires the number of times of deceleration and the number of times of passage for each deceleration point indicated by the deceleration point information 30b, and (deceleration number / number of passes) is larger than a predetermined threshold value. Is determined to satisfy the learning point. And the information which shows the position of the said deceleration point is recorded on the recording medium 30 as learning point information 30c, and the said deceleration point is made into a learning point.
  The display control unit 21b controls the function of displaying the learning points according to the first mode on the map displayed on the display unit and displaying the learning points where the vehicle is expected to pass in the current travel according to the second mode It is a program module to be executed by the unit 20. That is, the control unit 20 acquires the current location of the vehicle based on the output signals of the GPS receiving unit 41, the vehicle speed sensor 42, and the gyro sensor 43, and refers to the map information 30a to display image information indicating a map around the current location of the vehicle. Generate Then, the control unit 20 causes the display unit to display a map around the current location of the vehicle by outputting the image information to the display unit of the user I / F unit 45.
  In this state, the control unit 20 further causes the display unit of the user I / F unit 45 to display a learning point on the map. In the present embodiment, the control unit 20 displays all the learning points included in the map in the first mode. Furthermore, the control unit 20 predicts that the learning point on the estimated traveling route is a learning point passing in the current travel, and displays the learning point in the second mode without displaying in the first mode. In the present embodiment, the control unit 20 regards a range that is ahead of the vehicle by a predetermined distance along the road as an estimated travel route. Further, in the present embodiment, the control unit 20 is a display in which the second aspect emphasizes the learning point more than the first aspect.
  Therefore, in the present embodiment, the control unit 20 displays the learning points in the first mode on the map, and highlights the learning points to which the vehicle has approached in the second mode. That is, it is considered that the user is highly interested in the learning points passed in this travel, and the other learning points are relatively uninteresting. Therefore, the control unit 20 displays the learning point to which the vehicle has approached, which is expected to pass in the current travel, in the second mode, so that the display mode can be distinguished from other learning points displayed in the first mode. Control. As a result, the learning points can be displayed on the map in an easy-to-understand manner according to the user's interest.
  The deceleration control unit 21c is a program module that causes the control unit 20 to realize a function of applying a deceleration force to the vehicle such that the vehicle speed becomes smaller than a predetermined threshold at a deceleration point. That is, the control unit 20 acquires the current location of the vehicle based on the output signals of the GPS reception unit 41, the vehicle speed sensor 42, and the gyro sensor 43, refers to the learning point information 30c, and determines from the current location on the road ahead of the current location. It is determined whether or not there is a learning point at a position within the distance of.
  When it is determined that a learning point exists at a position within a predetermined distance from the current location on the road ahead of the current location, the control unit 20 learns the same vehicle speed value as the predetermined threshold referred when specifying the deceleration point Set as the target vehicle speed at the point. Further, the control unit 20 monitors the current vehicle speed based on the output signal of the vehicle speed sensor 42, and sets the vehicle speed as a predetermined threshold at the learning point when decelerating from the current vehicle speed by a predetermined deceleration (negative acceleration). The required distance is specified, for example, by assuming an equal acceleration decelerating movement or the like.
  Then, when the vehicle reaches a point behind in the traveling direction by the distance from the learning point, the control unit 20 outputs a control signal to the transmission 46 and the engine 47 to cause a predetermined deceleration to act on the vehicle. . As a result, deceleration control is performed on the vehicle such that the vehicle speed of the vehicle becomes equal to or less than a predetermined threshold at the learning point. As described above, since the learning point is a point where deceleration control is performed, in the second embodiment, the control unit 20 determines in the second mode a learning point where deceleration control is expected to be performed in the current travel. It can also be considered as a configuration to be displayed.
(2) Point display processing:
Next, the point display process will be described in detail. FIG. 2 is a flowchart of the point display process. In the present embodiment, the control unit 20 executes the point display process by the process of the display control unit 21b every predetermined period (for example, every 100 ms). In the present embodiment, in addition to the learning points, some deceleration points are displayed. However, since the number of deceleration points is larger than the number of learning points, it is configured to display the deceleration points where the user's interest is high so as not to reduce the visibility of the map.
  In the point display process, the control unit 20 performs a process for displaying a deceleration point in steps S100 to S130. For this purpose, first, the control unit 20 acquires an estimated traveling route (step S100). However, in the present embodiment, the estimated traveling route to be referred to in order to determine the deceleration point to be displayed is different from the estimated traveling route to be referred to in order to determine the learning point to be displayed in the second mode.
  Specifically, as described above, the estimated travel route to be referred to in order to determine the learning point to be displayed in the second mode is a road in a range ahead of the vehicle by a predetermined distance ahead along the road. On the other hand, the estimated travel route to be referenced to determine the deceleration point to be displayed is a travel route or a route route to the destination. Therefore, in step S100, the control unit 20 determines whether or not the travel route to the destination has been searched, and in the case where the travel route has been searched, acquires the travel route as an estimated travel route. When it is not determined that the travel route to the destination has been searched, the control unit 20 acquires, as an estimated travel route, a road route when the vehicle travels along the road on which the vehicle is traveling.
  The road route can be defined in various ways. For example, the control unit 20 refers to the map information 30a and selects the road whose road attribute is the same as the road on which the vehicle is currently traveling. It is possible to adopt a configuration to select, a configuration to select a road closest to the direction in which the vehicle travels straight ahead as a road route, and the like. When the road route is acquired, the control unit 20 acquires a road from the current location of the vehicle to a specific distance ahead as the road route. FIG. 3A is a view showing an example of a map displayed on the display unit of the user I / F unit 45. The thin lines indicate roads, and the thick lines indicate travel routes. In this example, since the travel route has been set, the control unit 20 acquires the travel route extending ahead of the vehicle C as the estimated travel route.
  Next, the control unit 20 acquires a deceleration point on the estimated traveling route as a point of interest (step S105). That is, the control unit 20 refers to the deceleration point information 30b, and when the information indicating the point on the estimated traveling route is included, acquires the information indicating the point. Furthermore, the control unit 20 selects one deceleration point not to be focused on in the loop processing of steps S105 to S125 from among the acquired deceleration points, and acquires it as a focused point. When there is no deceleration point on the estimated traveling route, the control unit 20 skips steps S105 to S125.
  Next, the control unit 20 acquires the number N of passes of the point of interest and the number S of decelerations (step S110). That is, the control unit 20 acquires information on the deceleration point taken as the point of interest from the deceleration point information 30b, and specifies the number N of times of passage and the deceleration point S. Next, the control unit 20 determines whether (S + 1) / (N + 1) is larger than a predetermined threshold (a threshold as a learning condition) (step S115). That is, the control unit 20 determines whether or not the number of decelerations S / the number of passages N exceeds 1 as a learning condition when 1 is added to the number of decelerations and the number of passes. Thereby, the control unit 20 determines whether or not the point of interest is a deceleration point where the learning condition is satisfied by the vehicle being decelerated and decelerated in the current traveling. There is.
  When it is determined in step S115 that (S + 1) / (N + 1) is larger than the predetermined threshold value, that is, the vehicle is decelerated by the vehicle during the current traveling and the learning condition is set by the deceleration. If satisfied, the control unit 20 sets the point of interest as a deceleration point to be displayed (step S120). On the other hand, if it is not determined in step S115 that (S + 1) / (N + 1) is larger than the predetermined threshold, the control unit 20 skips step S120.
  Next, the control unit 20 determines whether or not the processing of steps S105 to S120 has ended for all the deceleration points on the estimated traveling route (step S125), and performs steps S105 to S120 for all the deceleration points on the estimated traveling route. The processes in step S105 and subsequent steps are repeated until it is determined that the process of (1) is completed.
  If it is determined in step S125 that the processing in steps S105 to S120 has ended for all the deceleration points on the estimated traveling route, the control unit 20 displays the display target deceleration points in the third mode (step S130). That is, the control unit 20 refers to the map information 30a to specify the display position on the map of the deceleration point to be displayed. In addition, the control unit 20 controls the control signal for displaying the icon of the third aspect different from the first aspect and the second aspect (the first and second aspects will be described in detail later) with respect to the display position. Output to the display unit of the F unit 45. As a result, the deceleration point to be displayed is displayed in the third mode on the map.
  FIG. 3A shows an example where the third aspect is in the form of a star. Since the deceleration point displayed in the third mode is on the estimated travel route (in this case, on the planned travel route), in the example shown in FIG. 3A, the shape of the star on the travel route to the destination shown by the thick line The deceleration point is indicated by the icon of being displayed. By displaying such an icon, the user can recognize the deceleration point at which the learning condition is satisfied by performing deceleration on the vehicle in the current travel and by performing deceleration. . Therefore, if deceleration is performed again at the deceleration point indicated by the star icon, it is possible to recognize from the next time that the deceleration point becomes a learning point and that deceleration control is automatically performed.
  In the present embodiment, the control unit 20 determines whether or not the learning condition is satisfied in the current traveling with respect to the deceleration point on the estimated traveling route. Therefore, even if the deceleration point information 30b indicating a large number of deceleration points is recorded in the recording medium 30, the deceleration point to be determined can be easily specified.
  Next, the control unit 20 displays the learning point in the first mode (step S135). That is, the control unit 20 refers to the learning point information 30 c and extracts a learning point included in the map being displayed on the display unit of the user I / F unit 45 as a display target. Further, the control unit 20 refers to the map information 30a and specifies the display position when displaying the learning point to be displayed on the map of the display unit. Then, the control unit 20 outputs, to the display unit of the user I / F unit 45, a control signal for displaying an icon of a first mode different from the second mode and the third mode with respect to the display position. As a result, the learning points to be displayed are displayed in the first mode on the map.
  FIG. 3A shows an example where the first aspect is a white circle. In the present embodiment, the learning points displayed in the first mode are not limited to the planned travel route, so in the example shown in FIG. 3A, white circular icons are displayed at various places on the map. The learning point is shown. By displaying such an icon, it is possible for the user to recognize a point at which deceleration control is to be performed when reaching in the current travel.
  Next, the control unit 20 determines whether the vehicle has approached the learning point (step S140). That is, in the present embodiment, the control unit 20 predicts that a range ahead of the vehicle ahead along the road by a predetermined distance is assumed to pass in the current travel (considered as an estimated travel route), Display in the second mode. Therefore, in step S140, the control unit 20 acquires the current position of the vehicle based on the output signals of the GPS receiving unit 41, the vehicle speed sensor 42, and the gyro sensor 43. Further, the control unit 20 refers to the map information 30a and determines whether or not a learning point is present in a range advanced by a predetermined distance along the road ahead along the traveling direction from the current location. And when a learning point exists in the said wing, the control part 20 determines with having approached the learning point.
  If it is determined in step S140 that the vehicle has approached the learning point, the control unit 20 displays the learning point in the second mode (step S145). That is, the control unit 20 refers to the learning point information 30c and extracts the learning points determined to be approaching the vehicle as the display target. Further, the control unit 20 refers to the map information 30a and specifies the display position when displaying the learning point to be displayed on the map of the display unit. Then, the control unit 20 outputs, to the display unit of the user I / F unit 45, a control signal for displaying an icon of a second mode different from the first and third modes with respect to the display position. As a result, the learning points to be displayed are displayed in the second mode on the map.
  FIG. 3B shows an example in which the vehicle C approaches a learning point at a point of a predetermined distance L after FIG. 3A. In this example, the second aspect is a white circle larger than the first aspect. By displaying such an icon, the user can recognize a point to be subjected to the next deceleration control.
(3) Other embodiments:
The above embodiment is an example for carrying out the present invention, and various other configurations are adopted as long as the learning point expected to pass in the current travel and the other learning points are displayed in different modes. It is possible. For example, the navigation system 10 may be fixedly mounted on a vehicle, or the portable navigation system 10 may be brought into the vehicle and used. In addition, at least a part of the functions of the spot recording unit 21a, the display control unit 21b, and the deceleration control unit 21c are realized by another control entity (for example, another server connected via communication, a driving support ECU, etc.) Also good.
  Furthermore, display targets in the first and second modes may be different from those in the above-described embodiment. For example, if only the learning points on the estimated travel route are displayed in the first mode, and it is safer to pass in the current travel than the learning points displayed in the first mode (for example, when approaching) It may be configured to be displayed in an aspect.
  The point recording means may record on the recording medium the deceleration point at which the vehicle has been decelerated in the past, and may record the deceleration point satisfying the learning condition on the recording medium as the learning point. That is, the point recording means records the deceleration point where the deceleration is performed as needed. On the other hand, when the deceleration points which can be regarded as identical (for example, the deceleration points existing within a predetermined distance) satisfy the learning condition, the point recording means learns the deceleration points which can be regarded as identical as one learning point.
  The deceleration point and the learning point may be recorded on the recording medium so that at least each point can be specified, and information indicating the position of each point is recorded on the recording medium. Of course, other information, for example, information serving as a determination factor of whether or not the learning condition is satisfied, information indicating the operation operation and operation (vehicle speed, acceleration, etc.) of the vehicle when deceleration is performed are associated with each other. It may be done. The deceleration point may indicate a point at which deceleration has been performed. For example, a configuration may be employed in which one or both of the deceleration start point and the deceleration end point are recorded on the recording medium as the deceleration point. Furthermore, the deceleration point may be a point where deceleration has been performed, but may be a deceleration point only when the degree of deceleration or the operation of the vehicle after deceleration is in a specific state. For example, a configuration in which a point decelerated to a vehicle speed smaller than a predetermined threshold value is used as a deceleration point can be employed.
  The learning point may be any deceleration point that satisfies the learning condition, and various conditions can be assumed as the learning condition. For example, a configuration may be adopted in which it is considered that the learning condition is satisfied when the frequency of deceleration is relatively higher than that at other points. Various techniques can be employed to assess the frequency. For example, a configuration is adopted in which it is determined that the point recording means satisfies the learning condition when the vehicle is decelerated at a deceleration point that can be regarded as the same point, and the number of decelerations is greater than a predetermined reference. It is also good. In this case, the predetermined standard for the number of times may be a standard for determining whether the number of times is statistically large. For example, if the number of decelerations is greater than a predetermined threshold, it may be determined that the number of decelerations is greater than a predetermined reference, or (the number of decelerations / the number of passing deceleration points) is predetermined. If it is larger than the threshold value, it may be determined that the number is larger than a predetermined reference.
  The display control means may display the learning points in the first mode on the map displayed on the display unit, and may display the learning points expected to be passed by the vehicle this time in the second mode. . That is, when displaying the learning points on the map, the display control means sets the display mode of the learning points expected to pass in the current travel and the display mode of the learning points not expected to pass in different ways.
  When displaying the learning point on the map, the display may be performed so that the user can recognize the point. For example, the learning point on the map or an icon indicating the learning point in the vicinity of the learning point A configuration for displaying can be adopted. The first aspect and the second aspect are different aspects, and it is sufficient if the user can distinguish between the two because they are different. For example, in the case of displaying a learning point by an icon, the shape, color, size, etc. of the icon may be different. In addition, if the user is more interested in the learning point expected to pass in the current travel than the other learning points, the second mode, which is the mode of the former learning point, is more than the first mode. It is preferable to set it as the aspect to emphasize.
  Whether or not to pass the learning point in the current traveling can be predicted by various methods. For example, the display control means acquires the estimated traveling route of the vehicle, and the learning point on the estimated traveling route is It is possible to adopt a configuration that is predicted to pass in this travel. The estimated travel route can be identified by various methods. For example, the display control means may consider a range that is ahead of the current position of the vehicle along the road by a predetermined distance as the estimated travel route. In addition, when the travel route to the destination is searched in advance by the user's instruction or the like, it is possible to adopt a configuration in which the display control means regards the travel route as the estimated travel route. If the travel route has not been searched, the display control means may adopt a configuration in which a route along which the vehicle is traveling is used as the estimated travel route.
  A route traveling along a road can be defined by various elements, and, for example, the past travel history of the user, the attribute of the road, the traveling direction and the like can be mentioned as an element. More specifically, when a route traveling at a relatively high frequency is identified based on the past travel history of the user, the display control means sets the route as a route traveling along the road. Can be adopted. Further, it is possible to adopt a configuration in which the display control means regards it as a road on a route which travels along a road having a common road number and road number associated with the road. Furthermore, it is possible to adopt a configuration in which the display control means considers a route in which the traveling direction of the vehicle is close to the straight ahead direction as a route traveling along a road.
  In addition, when there are a plurality of elements for defining a route traveling along a road, the display control means may define a path traveling along a road combining these elements, or in these elements Priorities may be associated with each other, and the display control means may identify each path along which the road travels by examining each element in the order of priority.
  Furthermore, a configuration may be employed in which the deceleration point is displayed on the display unit. Since a large number of deceleration points are displayed, it is preferable that a part of the deceleration points be displayed. For example, in the current traveling, the vehicle is decelerated and the deceleration is performed so that the deceleration points satisfying the learning condition are You may employ | adopt the structure which a display control means displays on a map by a 3rd aspect. That is, when deceleration is performed in the current traveling, a deceleration point which becomes a learning point is displayed on the map. According to this configuration, among the deceleration points, a point where the user's interest is particularly strong is displayed on the map. Note that the third aspect may be an aspect different from the first aspect and the second aspect, and as a result, it may be a configuration in which a learning point and a deceleration point are distinguished.
  Furthermore, in this case, a configuration may be adopted in which the display control means acquires the estimated travel route of the vehicle, and determines whether or not the learning condition is satisfied in the current travel at the deceleration point on the estimated travel route. . That is, in order to determine whether or not the deceleration point satisfies the learning condition by the current travel before reaching the deceleration point, the deceleration point needs to be specified in advance. Therefore, if decelerating points on the estimated travel route are determined, it is possible to easily identify the decelerating points to be determined, even if a large number of decelerating points are recorded on the recording medium. As described above, the estimated travel route may be a road in a range ahead of the vehicle by a predetermined distance along the road, or may be defined by a searched travel route or a route traveling along a road. It is good.
  Furthermore, the method of displaying the learning point expected to pass in the current travel and the other learning points differently as in the present invention can be applied as a program or a method. In addition, when the system, program, and method as described above are realized as a single device or when realized by a plurality of devices, they may be realized using parts shared with each part provided in the vehicle. It is conceivable and includes various aspects. For example, it is possible to provide a navigation system, a method, and a program provided with the above-described device. In addition, it is possible to appropriately change, for example, part is software and part is hardware. Furthermore, the invention is also realized as a recording medium of a program for controlling a system. Of course, the recording medium of the software may be a magnetic recording medium or a magneto-optical recording medium, and any recording medium developed in the future can be considered in the same way.
  Reference Signs List 10 navigation system 20 control unit 21 driving support program 21a location recording unit 21b display control unit 21c deceleration control unit 30 recording medium 30a map information 30b deceleration point information 30c Learning point information 41 GPS receiving unit 42 Vehicle speed sensor 43 Gyro sensor 44 Brake sensor 45 User I / F unit 46 Transmission 47 Engine

Claims (5)

  1. In the vehicle, a deceleration point at which deceleration has been performed in the past is recorded on a recording medium , and the deceleration is performed by the vehicle at the deceleration point, and the number of times the deceleration is performed is larger than a predetermined reference. A spot recording unit that determines that the learning condition is satisfied and records the deceleration point satisfying the learning condition on the recording medium as the learning point;
    While displaying the said learning point by a 1st aspect on the map displayed on the display part, the said learning point estimated that the said vehicle passes by this driving | running | working ahead of a present location is displayed by a 2nd aspect , Display control means for displaying the deceleration point satisfying the learning condition on the map according to a third mode by performing the deceleration and the deceleration in the current travel ;
    Driving support system equipped with
  2. The display control means
    An estimated travel route of the vehicle is acquired, and it is predicted that the learning point on the estimated travel route is passed in the current travel.
    The driving support system according to claim 1.
  3.   The display control means
        Acquiring an estimated traveling route of the vehicle, and determining whether the learning condition is satisfied in the current traveling with respect to the deceleration point on the estimated traveling route;
    The driving support system according to any one of claims 1 or 2.
  4.   In the vehicle, a deceleration point at which deceleration has been performed in the past is recorded on a recording medium, and the deceleration is performed by the vehicle at the deceleration point, and the number of times the deceleration is performed is larger than a predetermined reference. A point recording step of determining that the learning condition is satisfied, and recording the deceleration point satisfying the learning condition on the recording medium as the learning point;
      While displaying the said learning point by a 1st aspect on the map displayed on the display part, the said learning point estimated that the said vehicle passes by this driving | running | working ahead of a present location is displayed by a 2nd aspect, A display control step of displaying the deceleration point satisfying the learning condition on the map according to a third mode by performing the deceleration and the deceleration in the current travel;
    Driving support method including.
  5.   In the vehicle, a deceleration point at which deceleration has been performed in the past is recorded on a recording medium, and the deceleration is performed by the vehicle at the deceleration point, and the number of times the deceleration is performed is larger than a predetermined reference. A point recording function of determining that the learning condition is satisfied, and recording the deceleration point satisfying the learning condition on the recording medium as the learning point;
      While displaying the said learning point by a 1st aspect on the map displayed on the display part, the said learning point estimated that the said vehicle passes by this driving | running | working ahead of a present location is displayed by a 2nd aspect, A display control function of displaying the deceleration point satisfying the learning condition on the map according to a third mode by performing the deceleration and the deceleration in the current travel;
    A driving support program that makes a computer realize.
JP2015046002A 2015-03-09 2015-03-09 Driving support system, method and program Active JP6532709B2 (en)

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US9812007B2 (en) * 2013-03-28 2017-11-07 Honda Motor Co., Ltd. Map generation system, map generation device, map generation method, and program
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