WO2017072953A1 - 車両情報表示制御装置および自動運転情報の表示方法 - Google Patents
車両情報表示制御装置および自動運転情報の表示方法 Download PDFInfo
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Definitions
- the present invention relates to a vehicle information display control device, and more particularly to a display method of automatic driving information.
- Patent Document 1 the driver's uncomfortable feeling with respect to the automatic driving mode is eliminated by presenting the driver with an automation level when the vehicle is switched from the manual driving mode to the automatic driving mode step by step.
- Technology is disclosed.
- the automation level presented to the driver is represented by numerical values such as “1”, “2”, and “3”. Therefore, the driver can roughly grasp the degree (ratio) of automation, but grasps which of the vehicle's actuators (steering, accelerator, brake, shift, etc.) is automatically controlled and which is manually controlled. It is difficult to do.
- the present invention has been made to solve the above-described problems, and provides a vehicle information display control device that allows a driver to easily grasp the control mode (automatic control mode or manual control mode) of each actuator.
- the purpose is to provide.
- the vehicle information display control device displays an automatic driving information acquisition unit that acquires automatic driving information including information indicating whether each actuator of the vehicle is in a manual control mode or an automatic control mode, and displays based on the automatic driving information.
- a display control unit that displays an image on the device, the display device having a first display region and a second display region, and the display control unit displays a first image corresponding to the actuator in the manual control mode.
- An image corresponding to the actuator in the automatic control mode is displayed in the display area and displayed in the second display area.
- the image corresponding to each actuator is distributed and displayed in the first display area or the second display area in accordance with the control mode of the actuator. Can easily grasp the control mode of each actuator from the area where the image corresponding to each actuator is displayed.
- FIG. 6 is a diagram showing a first display area in the first embodiment.
- FIG. 6 is a diagram showing a second display area in the first embodiment.
- FIG. It is a figure for demonstrating operation
- HUD head up display
- HUD head up display
- FIG. 1 It is a figure which shows the example of a display of automatic driving
- 10 is a diagram showing a first display area and a second display area in the second embodiment. It is a figure which shows the example of a display of automatic driving
- FIG. 4 It is a figure which shows the example of a display of automatic driving
- FIG. 10 is a diagram illustrating a display example of a distance or time to a manual steering necessary section in the fourth embodiment. It is a figure which shows the example of the change of the virtual image distance of the image for a notification. It is a figure which shows the example of a display of character information.
- FIG. 1 is a block diagram showing a configuration of a driving support system according to an embodiment of the present invention.
- the driving support system includes a vehicle information display control device 10, a display device 20, an automatic driving system 30, a manual driving device 40, and an actuator 50.
- a vehicle equipped with the driving support system is referred to as “own vehicle”.
- the actuator 50 is a device that controls the traveling of the host vehicle, and includes a plurality of elements such as a steering 51, an accelerator 52 (throttle), a brake 53, and a shift 54 (gear). ”).
- a lighting device such as a headlamp or a blinker may be included in the actuator 50.
- the manual driving device 40 is a device for the driver to control the actuator 50 by manual operation (manual operation), and includes a handle 41 for operating the steering 51, an accelerator pedal 42 for operating the accelerator 52, and a brake. A brake pedal 43 for operating 53 and a shift lever 44 for operating the shift 54 are included (they are sometimes referred to as “manual driving devices” referring to these individual elements). In addition, an operation device for a lighting device may be included.
- the automatic operation system 30 is a system that performs automatic control of the actuator 50, and includes an operation-related information acquisition device 31, an HMI (Human-Machine Interface) device 32, and an automatic operation control device 33.
- an operation-related information acquisition device 31 an HMI (Human-Machine Interface) device 32
- an automatic operation control device 33 an automatic operation control device 33.
- the driving related information acquisition device 31 includes various sensors and communication devices, and acquires various types of information (driving related information) related to driving of the host vehicle.
- Driving-related information includes, for example, information on obstacles around the host vehicle (pedestrians, other vehicles, features, etc.), map information, information on the current position of the host vehicle and planned travel route, traffic information (congestion information, construction work) Information), information indicating the driver's situation (wakefulness, line-of-sight position, limb position, etc.).
- the HMI device 32 is a user interface through which the driver of the own vehicle inputs an instruction to the automatic driving control device 33 or the automatic driving control device 33 presents various information to the driver.
- the input means in the HMI device 32 may be hardware such as operation buttons, a keyboard, and a remote operation switch, or may be software keys using buttons (icons) displayed on the screen.
- the information output means is a display device or an audio output device. When displaying a software key as input means on a display device as output means, the HMI device 32 may be configured as a touch panel.
- the automatic operation control device 33 performs automatic control of the actuator 50 based on the operation related information acquired by the operation related information acquisition device 31 and the driver's instruction input to the HMI device 32.
- a control mode in which the actuator 50 is automatically controlled by the automatic driving system 30 (automatic driving control device 33) is referred to as an “automatic control mode”, and the actuator 50 is controlled by a driver's manual operation using the manual driving device 40.
- This control mode is called “manual control mode”.
- the control mode may be set for each element of the actuator 50. For example, only the steering 51 may be in the automatic control mode, and the accelerator 52, the brake 53, and the shift 54 may be in the manual control mode.
- the vehicle information display control device 10 includes an automatic driving information acquisition unit 11 and a display control unit 12.
- the automatic driving information acquisition unit 11 acquires automatic driving information from the automatic driving control device 33.
- the automatic driving information includes at least information indicating whether each actuator (the steering 51, the accelerator 52, the brake 53, and the shift 54) of the own vehicle is in the manual control mode or the automatic control mode.
- the display control unit 12 displays an image on the display device 20 based on the automatic driving information acquired by the automatic driving information acquisition unit 11.
- the display device 20 includes a first display area 21 and a second display area 22 as image display screens.
- the first display area 21 and the second display area 22 may be two independent screens, or the first display area 21 and the second display area 22 may be arranged in one screen.
- the display device 20 is shown as one block, but a display device including the first display area 21 and a display device including the second display area 22 may be provided individually.
- the display control unit 12 distributes and displays an image corresponding to each actuator in the first display area 21 or the second display area 22 of the display device 20 according to the control mode of the actuator. Specifically, the display control unit 12 displays an image corresponding to the actuator in the manual control mode in the first display area 21 and displays an image corresponding to the actuator in the automatic control mode in the second display area 22.
- the first display area 21 is realized by a head-up display (HUD) and the second display area 22 is realized by a liquid crystal display device (LCD).
- HUD head-up display
- LCD liquid crystal display device
- the HUD that displays an image in the first display area 21 displays the image as a virtual image in the driver's field of view by displaying the image on the windshield (windshield) of the vehicle. That is, the first display area 21 in the first embodiment is a partial area of the windshield 201 of the host vehicle as shown in FIG. When viewed from the driver, the image (virtual image) displayed by the HUD appears to exist in the space in front of the host vehicle.
- the LCD constituting the second display area 22 is provided in the meter cluster 202 of the driver's seat as shown in FIG.
- the arrangement of the second display region 22 is not limited to this, and may be a position where the driver can easily visually recognize it.
- the second display area 22 may be arranged on the center panel of the dashboard (between the driver seat and the passenger seat).
- the HUD can display the image 100 as a virtual image at a position that can be viewed through the windshield 201 (windshield) from the position of the driver 200 of the host vehicle.
- the position where the image 100 is actually displayed is on the windshield 201, but when viewed from the driver 200, it appears as if the image 100 exists in the scenery in front of the vehicle. .
- the apparent display position of the image 100 viewed from the driver 200 is referred to as a “virtual image position”.
- the virtual image position is defined by a “virtual image direction” that is a direction of the image 100 with respect to the position of the driver 200 and a “virtual image distance” that is an apparent distance from the position of the driver 200 to the image 100.
- the reference point for defining the virtual image position is preferably the position of the driver 200, but may be any specific position of the vehicle that can be regarded as the position of the driver 200.
- a specific point on the windshield 201 may be used as a reference point, for example, a position corresponding to the vicinity of the driver's eyes.
- a point in the vehicle interior corresponding to the center point of both eyes of the driver assumed for the design of the HUD installation position may be used as the reference point.
- the virtual image direction substantially corresponds to the position of the image 100 on the windshield 201 viewed from the driver 200, and is represented by, for example, a declination angle ( ⁇ i , ⁇ i ) of a three-dimensional polar coordinate system as shown in FIG. Is done.
- Virtual image distance is substantially equivalent to the apparent distance to the image 100 as viewed from the driver 200, for example, three-dimensional polar coordinate system radius vector as shown in FIG. 5 (r i) are represented by like.
- the driver 200 adjusts the focus (focus) distance Fd of his / her eyes to the virtual image distance (r i ) so that the image 100 is displayed at the virtual image position represented by the three-dimensional polar coordinates (r i , ⁇ i , ⁇ i ). Can be visually recognized.
- FIG. 6 and 7 are diagrams each showing an example of a hardware configuration of the vehicle information display control device 10.
- the automatic driving information acquisition unit 11 and the display control unit 12 in the vehicle information display control device 10 are realized by a processing circuit 60 shown in FIG. 6, for example. That is, the processing circuit 60 displays images in the first display area 21 and the second display area 22 of the display device 20 based on the automatic driving information acquisition unit 11 that acquires automatic driving information from the automatic driving system 30 and the automatic driving information.
- the display control part 12 which displays.
- Dedicated hardware may be applied to the processing circuit 60, or a processor (Central processing unit, central processing unit, processing unit, arithmetic unit, microprocessor, microcomputer, digital, which executes a program stored in the memory Signal Processor) may be applied.
- a processor Central processing unit, central processing unit, processing unit, arithmetic unit, microprocessor, microcomputer, digital, which executes a program stored in the memory Signal Processor
- the processing circuit 60 is dedicated hardware, the processing circuit 60 is, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, or a combination of these. To do.
- Each of the functions of the automatic driving information acquisition unit 11 and the display control unit 12 may be realized by a plurality of processing circuits 60, or these functions may be realized by a single processing circuit 60.
- FIG. 7 shows a hardware configuration of the vehicle information display control device 10 when the processing circuit 60 is configured using a processor.
- the functions of the automatic driving information acquisition unit 11 and the display control unit 12 are realized by a combination of software and the like (software, firmware, or software and firmware).
- Software or the like is described as a program and stored in the memory 62.
- the processor 61 as the processing circuit 60 implements the functions of the respective units by reading and executing the program stored in the memory 62. That is, when the vehicle information display control device 10 is executed by the processing circuit 60, the vehicle information display control device 10 acquires the automatic driving information from the automatic driving system 30, and the first display area 21 of the display device 20 based on the automatic driving information.
- this program causes the computer to execute the operation procedure and method of the automatic driving information acquisition unit 11 and the display control unit 12.
- the memory 62 is a nonvolatile memory such as RAM (Random Access Memory), ROM (Read Only Memory), flash memory, EPROM (Erasable Programmable Read Only Memory), EEPROM (Electrically Erasable Programmable Read Only Memory), or the like. Or a volatile semiconductor memory, HDD (Hard Disk
- RAM Random Access Memory
- ROM Read Only Memory
- EPROM Erasable Programmable Read Only Memory
- EEPROM Electrically Erasable Programmable Read Only Memory
- HDD Hard Disk
- a magnetic disk a flexible disk
- the configuration in which the functions of the automatic driving information acquisition unit 11 and the display control unit 12 are realized by either hardware or software has been described.
- the present invention is not limited to this, and a configuration in which a part of the automatic driving information acquisition unit 11 and the display control unit 12 is realized by dedicated hardware and another part is realized by software or the like.
- the function of the automatic driving information acquisition unit 11 is realized by a processing circuit as dedicated hardware, and the processing circuit 60 as the processor 61 reads and executes the program stored in the memory 62 for the display control unit 12. By doing so, the function can be realized.
- the processing circuit 60 can realize the above-described functions by hardware, software, or the like, or a combination thereof.
- FIG. 8 is a flowchart showing the operation of the vehicle information display control device 10.
- the automatic driving information acquisition unit 11 acquires automatic driving information including information on the control mode (manual control mode or automatic control mode) of each actuator from the automatic driving control device 33 ( Step S1).
- the display control unit 12 confirms the control mode of each actuator based on the automatic driving information acquired by the automatic driving information acquisition unit 11 (step S2).
- the display control part 12 distributes and displays the image corresponding to each actuator in the 1st display area 21 or the 1st display area 21 of the display apparatus 20 (step S3).
- the vehicle information display control device 10 repeats this series of operations.
- step S3 the display control unit 12 displays an image corresponding to the actuator in the manual control mode among the elements of the actuator 50 (actuator 50, steering 51, accelerator 52, brake 53) in the first display area 21, An image corresponding to the actuator in the automatic control mode is displayed in the second display area 22.
- the display control unit 12 displays the steering image 51a corresponding to the steering 51 and the accelerator image corresponding to the accelerator 52 as shown in FIG. 52a, a brake image 53a corresponding to the brake 53 and a shift image 54a corresponding to the shift 54 are displayed in the first display area 21.
- the display control unit 12 displays the steering image 51a, the accelerator image 52a, the brake image 53a, and the shift image 54a as shown in FIG. Is displayed in the second display area 22. Therefore, the steering image 51a, the accelerator image 52a, the brake image 53a, and the shift image 54a move between the first display area 21 and the second display area 22 in accordance with the change of the control mode of each actuator. .
- the display control unit 12 displays an image corresponding to the manual control mode actuator in the first display area 21 and corresponds to the automatic control mode actuator.
- the image is displayed in the second display area 22.
- the accelerator image 52a, the brake image 53a, and the shift image 54a are first displayed as shown in FIG.
- the steering image 51 a is displayed in the second display area 22.
- images corresponding to each actuator are displayed according to the manual control mode of each actuator. Since the display area 21 and the second display area 22 are sorted and displayed, the driver can easily grasp the control mode of each actuator from the display position.
- the image corresponding to the actuator in the automatic control mode may be left in the first display area 21 in an inconspicuous display mode without being completely erased from the first display area 21 (for example, displayed with a broken line, You may want to make the color gray or decrease the brightness).
- FIG. 12 shows an image corresponding to the actuator in the automatic control mode (here, the steering image 51a) displayed in the second display area 22 and also in a non-conspicuous display mode (here, a broken line display). ).
- the automatic control mode does not allow the intervention of manual operation and the automatic control mode shifts to the manual control mode when the manual operation is performed. In that case, you may enable it to distinguish both.
- the steering 51 is in an automatic control mode that does not allow manual intervention
- the steering image 51a is deleted from the first display area 21 and displayed in the second display area 22, as in FIG.
- the steering image 51a is left in the first display area 21 in an inconspicuous display mode as shown in FIG. 2 may be displayed in the display area 22.
- FIG. 13 shows that when the steering 51 is switched from the manual control mode to the automatic control mode, the steering image 51a displayed in the first display area 21 moves downward and disappears from the first display area 21.
- 2 is an example of a display change that appears from the top of the display area 22.
- an animation having a depth Effects may be incorporated.
- This animation effect is realized by changing the virtual image distance of the steering image 51a continuously or stepwise. For example, in FIG. 14, when the steering 51 is switched from the manual control mode to the automatic control mode, the steering image 51 a displayed in the first display area 21 moves toward the driver and moves to the first display area 21. It is an example of a display change disappearing from
- the movement of an image having a depth as shown in FIG. 14 may be represented as a graph showing a change in the virtual image distance with respect to time as shown in FIG. 15 (here, the image on the first display area 21). Is assumed to be 50 m).
- FIGS. 14 and 15 show an example in which the steering image 51a on the first display area 21 is moved to the front side of the driver when the steering image 51a is erased. However, as shown in FIG. 16, the vehicle moves away from the driver. You may delete it after letting it go.
- the first display area 21 in which an image corresponding to the actuator in the manual control mode is displayed is realized by the HUD
- the second display area 22 in which an image corresponding to the actuator in the automatic control mode is displayed may be reversed. That is, a system configuration in which the first display area 21 is realized by an LCD and the second display area 22 is realized by a HUD may be adopted.
- the driver displays 18, the first image 100 a exists 25 m ahead, the second image 100 b exists 50 m ahead, and the third image 100 c exists 75 m ahead.
- a first display area 21 in which an image with a virtual image distance of 50 m is displayed and a second display area in which an image with a virtual image distance of 20 m is displayed. 22 is defined. That is, the first display area 21 is a virtual screen 50 meters ahead of the host vehicle, and the second display area 22 is a virtual screen 20 meters ahead of the driver. The first display area 21 and the second display area 22 may overlap when viewed from the driver.
- the operation of the vehicle information display control device 10 is basically the same as that of the first embodiment (FIG. 8).
- the display control unit 12 displays the steering image 51a, the accelerator image 52a, the brake image 53a, and the shift image 54a as shown in FIG. It displays on the 1st display area 21 (The virtual image distance of each image displayed on the 1st display area 21 is 50 m).
- the display control unit 12 displays the steering image 51a, the accelerator image 52a, the brake image 53a, and the shift image 54a as shown in FIG. Is displayed in the second display area 22 (the virtual image distance of each image displayed in the second display area 22 is 20 m).
- the display control unit 12 displays an image corresponding to the manual control mode actuator in the first display area 21 and corresponds to the automatic control mode actuator.
- the image is displayed in the second display area 22.
- the display control unit 12 displays the accelerator image 52a, the brake image 53a, and the shift image as shown in FIG. 54 a is displayed in the first display area 21, and the steering image 51 a is displayed in the second display area 22.
- images (steering image 51a, accelerator image 52a, brake image 53a, and shift image 54a) corresponding to each actuator are displayed according to the manual control mode of each actuator. Since the display is distributed to the first display area 21 or the second display area 22 having different apparent distances, the driver can easily grasp the control mode of each actuator from the display position.
- an animation effect may be introduced.
- FIGS. 23 and 24 when the steering 51 is switched from the manual control mode to the automatic control mode, the steering image 51a displayed in the first display area 21 moves toward the driver's front side. This is an example of a display change that stops on the second display area 22.
- This animation effect is realized by changing the virtual image distance of the steering image 51a from 50 m to 20 m continuously or stepwise.
- the steering image 51a displayed in the first display area 21 alternates several times alternately between the second display area 22 and the first display area 21, and finally the second It is an example of the display change made to stop on the display area.
- the apparent distances from the driver in the first display area 21 and the second display area 22 are 50 m and 20 m, respectively, but these distances are not limited to this. Further, the second display area 22 may be arranged farther from the first display area 21.
- the solid angle of the image viewed from the driver (the size of the image viewed from the driver). Is equivalent to the square of the distance, and the image on the first display area 21 that appears far away (the image corresponding to the actuator in the manual control mode) is the image on the second display area 22 that appears near. Compared to (an image corresponding to an actuator in the automatic control mode), it looks quite large. However, the solid angle relationship between the image on the first display area 21 and the image on the second display area 22 does not have to follow the perspective accurately, and even if the apparent distance of the image is close, You may make it the change of a solid angle become loose.
- each conversion equation using a distance as a variable is used so that the solid angle of the image on the second display region 22 is twice the solid angle of the image on the first display region 21.
- the solid angle of the image may be determined.
- the solid angle of the image on the second display area 22 that appears close may be equal to or less than the solid angle of the image on the first display area 21 that appears near. In this case, it is possible to prevent the image on the first display area 21 from becoming unnoticeable more than necessary compared to the image on the second display area 22.
- FIG. 26 is a flowchart showing the operation of the automatic driving system 30.
- the flow shown in FIG. 26 is an example of the operation of the automatic driving system 30, and application of the present invention is not limited to this.
- the operation mode of the host vehicle defined by the automatic driving system 30 is “manual driving mode” in which all elements of the actuator 50 are in the manual control mode, and all elements of the actuator 50 are automatically controlled. It is assumed that there are only two types of modes, “automatic operation mode”.
- the automatic driving information acquired by the automatic driving information acquisition unit 11 from the automatic driving control device 33 includes information indicating whether each actuator of the host vehicle is in the manual control mode or the automatic control mode, as well as the actuator in the manual control mode automatically. Information on whether or not it is possible to switch to the control mode, distance or time information until the actuator in the automatic control mode needs to be switched to the manual control mode, and whether the actuator in the manual control mode can be switched to the automatic control mode It is assumed that the distance or time information to be included is included.
- the automatic driving control device 33 sets the host vehicle in the manual driving mode (step S101).
- the display control unit 12 of the vehicle information display control device 10 displays the steering image 51a, the accelerator image 52a, the brake image 53a, and the shift image 54a as shown in FIG. 1 is displayed in the display area 21.
- the automatic driving control device 33 determines whether the host vehicle is in a state in which it can shift to the automatic driving mode based on the driving related information acquired by the driving related information acquiring device 31. Confirm (step S102). For example, when the automatic driving mode is allowed on an automobile-only road such as an expressway, the automatic driving control device 33 confirms the road on which the host vehicle is traveling from the map information and the information on the current position of the host vehicle. If the vehicle is traveling on an automobile-only road, it is determined that it is possible to shift to the automatic driving mode.
- the automatic operation control device 33 notifies the driver to that effect using the HMI device 32 (step S103).
- the display control unit 12 detects that the notification in step S103 is performed in the automatic driving system 30 based on the automatic driving information, and performs the notification using the display device 20.
- the notification method for example, as shown in FIG. 28, a method of blinking the steering image 51a, the accelerator image 52a, the brake image 53a, and the shift image 54a on the first display area 21 is conceivable.
- the driver can operate the HMI device 32 to instruct the automatic operation control device 33 to switch to the automatic operation mode.
- the automatic driving control device 33 Upon receiving an instruction to switch to the automatic driving mode (YES in step S104), the automatic driving control device 33 reconfirms that it can shift to the automatic driving mode (step S105), and then moves the host vehicle to the automatic driving mode. (Step S106). Note that if there is no instruction to switch to the automatic operation mode (NO in step S104), or if there is no instruction to shift to the automatic operation mode (NO in step S105), the process returns to step S101 and the manual operation is performed. The operation mode is continued.
- the display control unit 12 of the vehicle information display control device 10 includes the steering image 51a, the accelerator image 52a, the brake image 53a, and The shift image 54 a is erased from the first display area 21 and displayed in the second display area 22. That is, the display control unit 12 moves the steering image 51a, the accelerator image 52a, the brake image 53a, and the shift image 54a from the first display area 21 to the second display area 22.
- the automatic driving control device 33 determines the distance until the switching to the manual driving mode is necessary based on the driving related information acquired by the driving related information acquiring device 31. It is confirmed whether the time is equal to or less than a predetermined threshold (step S107). For example, when the automatic driving mode is not allowed except on the road exclusively for automobiles, the automatic driving control device 33 determines the distance or time until the own vehicle leaves the automobile exclusive road from the map information, the current position of the own vehicle and the planned travel route information. And the value is compared with a threshold value. The threshold is preferably about 5 km for distance and about 5 minutes for time. When the distance or time until switching to the manual operation mode is required is greater than the threshold (NO in step S107), the process returns to step S106 and the automatic operation mode is continued.
- the automatic operation control device 33 When the distance or time until the switching to the manual operation mode is required is equal to or less than the threshold value (YES in step S107), the automatic operation control device 33 further determines whether or not it is necessary to immediately switch to the manual operation mode. Confirm (step S108). This confirmation is performed by comparing the distance or time until the switching to the manual operation mode is required with a second threshold value smaller than the threshold value in step S107.
- the second threshold value may be 0, but it may be 1 km for the distance and 1 minute for the time by taking a margin.
- the automatic operation control device 33 uses the HMI device 32 to notify the driver that it is necessary to switch to the automatic operation mode (Ste S109), the automatic operation mode is continued.
- the display control unit 12 detects that the notification in step S109 is performed in the automatic driving system 30 based on the automatic driving information, and performs the notification using the display device 20.
- the notification method for example, as shown in FIG. 30, a method of blinking the steering image 51a, the accelerator image 52a, the brake image 53a, and the shift image 54a on the second display area 22 is conceivable.
- step S101 when the host vehicle is in the automatic driving mode, the driver can return the host vehicle to the manual driving mode (step S101) by operating the HMI device 32 at an arbitrary timing. It is. Normally, if the driver receives the notification in step S109, the driver will place the vehicle in the manual driving mode on his / her own will.
- the automatic driving control device 33 determines whether or not the driver can perform manual driving (step S110). This determination is made based on, for example, the driver's line of sight, the arousal level, the position of the limbs (whether the manual driving device 40 is operated), or the like. If the driver is in a state where manual driving is possible (YES in step S110), the process returns to step S101, and the automatic driving control device 33 shifts the host vehicle to the manual driving mode.
- step S111 the automatic operation control device 33 warns the driver that it is necessary to switch to the automatic operation mode.
- the display control unit 12 detects that the warning in step S ⁇ b> 111 is performed in the automatic driving system 30 based on the automatic driving information, and performs the warning using the display device 20.
- a warning method for example, as shown in FIG. 31, the steering image 51a, the accelerator image 52a, the brake image 53a, and the shift image 54a on the first display area 21 are changed to more prominent colors from the state shown in FIG. Possible methods.
- the automatic operation control device 33 After performing the warning in step S111, the automatic operation control device 33 confirms again whether or not the driver can perform manual operation using the manual operation device 40 (step S112). If the driver is in a state where manual driving is possible (YES in step S112), the process returns to step S101, and the automatic driving control device 33 shifts the host vehicle to the manual driving mode.
- step S112 if the driver is not in a state where manual driving is possible (NO in step S112), the automatic driving control device 33 avoids the own vehicle to the road shoulder or the like and makes an emergency stop (step S113), and then step S112. Return to and wait for the driver to be ready for manual operation.
- the images (steering image 51a, accelerator image 52a, brake image 53a, and shift image 54a) corresponding to each actuator are in the manual control mode of each actuator. Accordingly, since the display is distributed to the first display area 21 or the second display area 22, the driver can easily grasp the control mode of each actuator from the display position.
- the screens that the display control unit 12 displays on the display device 20 when performing the notifications in steps S103 and S109 and the warning in step S111 are not limited to the examples in FIGS. Good. That is, the display mode of the image corresponding to each actuator only needs to change from the normal state, and besides the method of blinking and the method of changing the color, a method of changing the size, shape, movement, display position, etc. can be considered. Also, the type of notification or warning is not limited to the above three. For example, when the automatic driving mode is executed on a general road, when a pedestrian or other vehicle is detected around the vehicle, a transition to the manual driving mode is made together with a notice that alerts the driver to the presence of the pedestrian or other vehicles. An urging notice may be given.
- the method of notifying the distance or time until the actuator can be switched to the automatic control mode in the second embodiment, and the distance or time until the actuator needs to be switched to the manual control mode. Propose a notification method.
- FIGS. 32 and 33 are examples of notifying the distance or time from the own vehicle to the section (automatic steering enabled section) where the steering 51 can be switched to the automatic control mode.
- the display control unit 12 controls the display device 20 to display the steering image as shown in part (a) of FIG.
- a notification image 51b simulating 51a is displayed at a virtual image distance of 100 m. It is preferable that the notification image 51b has a color (for example, gray) or brightness that is distinguishable from the steering image 51a and is less conspicuous than the steering image 51a.
- the display control unit 12 shortens the virtual image distance of the notification image 51b as shown in FIG. It approaches the steering image 51a on the display area 21.
- the notification image 51b is at the same position as the steering image 51a, and the steering image 51a and the notification image 51b are completely overlapped.
- the notification in step S103 of the flow of FIG. 26 may be performed by blinking the steering image 51a.
- the distance or time from the own vehicle to the auto-steerable section is expressed by the difference in the distance between the notification image 51b and the steering image 51a on the first display area 21. ing. Therefore, the driver can intuitively grasp the distance or time from the own vehicle to the auto-steerable section from the display.
- FIG. 34 and FIG. 35 show another example of notifying the distance or time from the own vehicle to the section where automatic steering is possible.
- the display control unit 12 controls the display device 20 to display the steering image as shown in part (a) of FIG.
- a notification image 51b simulating 51a is displayed at the position of the steering image 51a on the first display area 21.
- the display control unit 12 shortens the virtual image distance of the notification image 51b as shown in FIG. 34B as the host vehicle approaches the auto-steerable section, and displays the notification image 51b as the second image. It approaches the display position of the steering image 51a on the display area 22 (the position where the steering image 51a is displayed when the steering 51 is in the automatic control mode).
- the notification image 51b is the same position as the display position of the steering image 51a on the second display area 22.
- the notification in step S103 of the flow of FIG. 26 may be started by blinking the steering image 51a.
- the distance or time from the own vehicle to the auto-steerable section depending on the difference in the distance between the notification image 51b and the display position of the steering image 51a on the second display area 22. Is expressed.
- FIG. 36 and FIG. 37 are examples of notifying the distance or time from the own vehicle to the section (manual steering necessary section) where the steering 51 can be switched to the automatic control mode.
- the display control unit 12 controls the display device 20 to display the steering image as shown in part (a) of FIG.
- a notification image 51 b simulating 51 a is displayed at the position of the steering image 51 a on the second display area 22.
- the notification in step S109 in the flow of FIG. 26 may be started by blinking the steering image 51a.
- the display control unit 12 increases the virtual image distance of the notification image 51b as shown in FIG. It approaches the display position of the steering image 51a on the display area 21 (the position where the steering image 51a is displayed when the steering 51 is in the manual control mode).
- the notification image 51b is displayed in the second display area at the time t 1 when the host vehicle reaches the manual steering necessary section (or the time or distance to the manual steering necessary section becomes less than or equal to the second threshold). 22 is the same position as the display position of the steering image 51a.
- the warning in step S111 of the flow of FIG. 26 may be performed by changing the color of the steering image 51a.
- the apparent distance differs by using a three-dimensional autostereoscopic display device 2
- Two planes (corresponding to the first display area 21 and the second display area 22) are expressed, and an image corresponding to the actuator in the manual control mode and an image corresponding to the actuator in the automatic control mode are displayed on different planes. Also good.
- the first display area 21 and the second display area 22 are realized by using a liquid crystal display device having two display surfaces (at least the front display surface is transparent) arranged in an overlapping manner. Also good. For example, an image corresponding to the actuator in the manual control mode is displayed using the display surface on the back side (the side far from the driver) as the first display region 21, and the display surface on the near side (side near the driver) is displayed. An image corresponding to the actuator in the automatic control mode may be displayed as the second display area 22. Further, the display control unit 12 can control the position of at least one of the display surfaces, and the first display area 21 or the second display area 22 is physically moved back and forth so that it corresponds to the actuator in the manual control mode. An animation effect may be applied to an image or an image corresponding to an actuator in automatic control mode.
- the distance or time from the own vehicle to the manual steering necessary section depending on the difference in the distance between the notification image 51b and the display position of the steering image 51a on the first display area 21. Is expressed. Therefore, the driver can intuitively grasp the distance or time from the own vehicle to the manual steering necessary section from the display.
- the present invention makes it possible to easily distinguish between the image corresponding to the actuator in the manual control mode and the image corresponding to the actuator in the automatic control mode by changing the display area.
- the display mode may be changed. For example, hues such as hue, brightness, and saturation may be changed between an image corresponding to an actuator in manual control mode and an image corresponding to an actuator in automatic control mode.
- the color of the image corresponding to the actuator in the manual control mode that appears in the distance and the color of the image corresponding to the actuator in the automatic control mode that appears in the distance may be changed according to the air perspective method. Good.
- the image corresponding to the actuator in the manual control mode may be a planar image
- the image corresponding to the actuator in the automatic control mode may be a three-dimensional image.
- an animation effect for example, blinking or color change
- FIG. 38 is an example in which the information (the distance to the auto-steerable section) indicated by the notification image 51b in FIG. 32A is displayed as character information.
- the automatic driving to which the present invention is applicable includes automatic parking.
- the steering operation steering control
- the accelerator operation must be performed manually.
- Semi-automatic parking, and the steering, accelerator and other actuators are all controlled automatically. Is also included.
- 10 vehicle information display control device 11 automatic driving information acquisition unit, 12 display control unit, 20 display device, 21 first display region, 22 second display region, 30 automatic driving system, 31 driving related information acquisition device, 32 HMI device 33, automatic operation control device, 40 manual operation device, 41 handle, 42 accelerator pedal, 43 brake pedal, 44 shift lever, 50 actuator, 51 steering, 52 accelerator, 53 brake, 54 shift, 60 processing circuit, 61 processor, 62 Memory, 51a steering image, 52a accelerator image, 53a brake image, 54a shift image, 51b notification image, 201 windshield, 202 meter cluster.
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Abstract
Description
図1は、本発明の実施の形態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1のように、当該運転支援システムは、車両情報表示制御装置10、表示装置20、自動運転システム30、手動運転装置40およびアクチュエータ50を含む構成となっている。以下、当該運転支援システムを搭載した車両を「自車両」という。
実施の形態2では、表示装置20の第1表示領域21および第2表示領域22の両方が、HUDを用いて実現される例を示す。本実施の形態において、表示装置20としてのHUDは、虚像距離の異なる複数の画像を同時に表示可能であるものとする。
実施の形態3では、車両情報表示制御装置10と自動運転システム30との連携動作の具体例を示す。ここでは、実施の形態2の運転支援システムにおける例を示すが、本実施の形態は実施の形態1のシステムにも適用可能である。
実施の形態4では、実施の形態2において、アクチュエータを自動制御モードへ切り換え可能となるまでの距離または時間を通知する方法、ならびに、アクチュエータを手動制御モードへ切り換える必要が生じるまでの距離または時間を通知する方法を提案する。
Claims (11)
- 車両の各アクチュエータが手動制御モードか自動制御モードかを示す情報を含む自動運転情報を取得する自動運転情報取得部と、
前記自動運転情報に基づいて、表示装置に画像を表示する表示制御部と、
を備え、
前記表示装置は、第1表示領域および第2表示領域を有しており、
前記表示制御部は、手動制御モードのアクチュエータに対応する画像を第1表示領域に表示し、自動制御モードのアクチュエータに対応する画像を第2表示領域に表示する
車両情報表示制御装置。 - 前記第1表示領域および前記第2表示領域はそれぞれ個別の表示装置によって構成されている
請求項1記載の車両情報表示制御装置。 - 前記第1表示領域を構成する表示装置および前記第2表示領域を構成する表示装置の片方はヘッドアップディスプレイであり、もう片方は液晶表示装置である
請求項2記載の車両情報表示制御装置。 - 前記第1表示領域および前記第2表示領域は、単一の表示装置によって構成されている
請求項1記載の車両情報表示制御装置。 - 前記第1表示領域および前記第2表示領域を構成する単一の表示装置はヘッドアップディスプレイである
請求項4記載の車両情報表示制御装置。 - 前記第1表示領域と前記第2表示領域とは、前記車両の運転者からの見かけ上の距離が互いに異なる
請求項5記載の車両情報表示制御装置。 - 前記自動運転情報は、手動制御モードのアクチュエータが自動制御モードへ切り換え可能な状態か否かの情報をさらに含んでおり、
前記表示制御部は、手動制御モードのアクチュエータが自動制御モードへ切り換え可能な状態になると、当該アクチュエータに対応する画像の表示態様を変化させる
請求項1記載の車両情報表示制御装置。 - 前記自動運転情報は、自動制御モードのアクチュエータを手動制御モードへ切り換える必要が生じるまでの距離または時間の情報をさらに含んでおり、
前記表示制御部は、自動制御モードのアクチュエータを手動制御モードに切り換える必要が生じるまで距離または時間が予め定められた閾値以下になると、当該アクチュエータに対応する画像の表示態様を変化させる
請求項1記載の車両情報表示制御装置。 - 前記表示装置は、ヘッドアップディスプレイを含んでおり、
前記自動運転情報は、自動制御モードのアクチュエータを手動制御モードへ切り換える必要が生じるまでの距離または時間の情報をさらに含んでおり、
前記表示制御部は、前記ヘッドアップディスプレイを用いて、自動制御モードのアクチュエータを手動制御モードに切り換える必要が生じるまで距離または時間を通知するための通知用画像を表示し、前記通知用画像の運転者からの見かけ上の距離を、当該アクチュエータを手動制御モードに切り換える必要が生じるまで距離または時間に応じて変化させる
請求項1記載の車両情報表示制御装置。 - 前記表示装置は、ヘッドアップディスプレイを含んでおり、
前記自動運転情報は、手動制御モードのアクチュエータが自動制御モードへ切り換え可能な状態になるまでの距離または時間の情報をさらに含んでおり、
前記表示制御部は、前記ヘッドアップディスプレイを用いて、手動制御モードのアクチュエータが自動制御モードへ切り換え可能な状態になるまでの距離または時間を通知するための通知用画像を表示し、前記通知用画像の運転者からの見かけ上の距離を、当該アクチュエータが自動制御モードへ切り換え可能な状態になるまでの距離または時間に応じて変化させる
請求項1記載の車両情報表示制御装置。 - 車両情報表示制御装置における自動運転情報の表示方法であって、
前記車両情報表示制御装置の自動運転情報取得部が、車両の各アクチュエータが手動制御モードか自動制御モードかを示す情報を含む自動運転情報を取得し、
前記車両情報表示制御装置の表示制御部が、手動制御モードのアクチュエータに対応する画像を第1表示領域に表示し、自動制御モードのアクチュエータに対応する画像を第2表示領域に表示する
自動運転情報の表示方法。
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