JP2019209803A - Display device, display method and program for controlling display device - Google Patents

Abstract

To give a driver a sense of security to a vehicle that can switch between an automatic driving mode and a manual driving mode.SOLUTION: A display device includes: a vehicle information acquisition unit 3 for acquiring vehicle information from a vehicle; a driver state acquisition unit 4 for acquiring driver information about driver's operation; a display unit 2 for displaying image information; and a display control unit 5 for controlling the display unit 2. The display device displays a travel mode and the driver's operation in an operation unit to which a driving operation is performed for the vehicle, on the basis of the vehicle information and the driver information.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a display device, a display method, and a control program for the display device.

In recent years, various devices related to a vehicle capable of switching between a manual operation mode and an automatic operation mode have been proposed.
Note that the automatic driving mode is a driving mode in which the driver can drive without operating the steering wheel by the automatic driving function, and the manual driving mode is a driving mode in which driving is performed by the driver's steering wheel operation as in the case of the driving operation in the conventional vehicle. It is.
Regarding such a vehicle, Patent Document 1 proposes a device for providing information.

JP 2017-49901 A

  By the way, in the automatic driving mode, the vehicle does not require the driver's driving operation. However, a driver who is not accustomed to the automatic driving mode may feel anxious about whether the vehicle accepts the driving operation of the driver. Further, immediately after the automatic operation mode is changed to the manual operation mode, there is a fear that the vehicle may feel uneasy about whether or not the driver can accept the driving operation.

  The present invention has been made in consideration of the above points, and can provide a driver with a sense of security for a vehicle that can be switched between an automatic driving mode and a manual driving mode, a display method, and a control program for the display device. The purpose is to propose.

In order to solve the problem, the invention of claim 1
In a display device used in a vehicle capable of switching between automatic operation mode and manual operation mode,
A vehicle information acquisition unit for acquiring vehicle information from the vehicle;
A driver state acquisition unit for acquiring driver information related to the operation of the driver;
A display for displaying image information;
A display control unit for controlling the display unit,
The display control unit
Based on the vehicle information and the driver information, the driving mode and the operation of the driver in the operation unit that performs the driving operation of the vehicle are displayed.

  According to the configuration of the first aspect, the driving mode can be properly grasped by displaying the driving mode and the operation of the driver in the operation unit that performs the driving operation of the vehicle. It is possible to appropriately grasp that the operation is accepted. Thereby, it is possible to give the driver a sense of security with respect to the vehicle that can switch between the automatic driving mode and the manual driving mode.

The invention of claim 2
In the configuration of claim 1,
The display control unit
Based on the driver information, an operation location of the driver in the operation unit is displayed.

According to the configuration of claim 2,
By displaying the operation location of the driver in the operation unit, it is possible to grasp that the vehicle accepts the driving operation of the driver more reliably. Accordingly, it is possible to give the driver a sense of security with respect to a vehicle that can switch between the automatic operation mode and the manual operation mode more appropriately.

The invention of claim 3
In the configuration of claim 1 or claim 2,
The display control unit
Based on the vehicle information, the display mode of the operation unit is switched between the automatic operation mode and the manual operation mode.

According to the configuration of claim 3,
The display of the operation section operated by the driver can also grasp the automatic operation mode and the manual operation mode, and the driver can feel more secure about the vehicle that can switch between the automatic operation mode and the manual operation mode more appropriately. Can be given.

The invention of claim 4
In the configuration of claim 3,
The display control unit
Based on the vehicle information, the display of the display unit is switched by switching the travel mode of the vehicle.

  According to the configuration of claim 4, even when the driving mode is switched by, for example, a brake operation or the like, the display is switched so as to correspond to this, and the driver can instantly grasp the switching of the driving mode. it can.

The invention of claim 5
In the structure in any one of Claims 1-4,
The display control unit
Further, in the automatic operation mode, an operation unit that switches the traveling mode to the manual operation mode among the operation units is displayed on the display unit in a form different from the display related to the other operation units.

  According to the structure of Claim 5, operation for switching manual operation mode can be grasped | ascertained intuitively with a related operation part, and usability can be improved.

The invention of claim 6
In a display method in a display device used in a vehicle capable of switching between an automatic operation mode and a manual operation mode,
Vehicle information acquisition step for acquiring vehicle information from the vehicle;
A driver state acquisition step for acquiring driver information related to the operation of the driver;
A display control step for controlling a display unit for displaying image information,
The display control step includes:
Based on the vehicle information and the driver information, the driving mode and the operation of the driver in the operation unit that performs the driving operation of the vehicle are displayed.

  According to the invention of claim 6, the driving mode can be properly grasped by displaying the driving mode and the operation of the driver in the operation unit that performs the driving operation of the vehicle. It is possible to appropriately grasp that the operation is accepted. Thereby, it is possible to give the driver a sense of security with respect to the vehicle that can switch between the automatic driving mode and the manual driving mode.

In the invention of claim 7, in the control program of the display device for executing a predetermined processing procedure by execution by the arithmetic processing circuit,
The display device
It is a display device used in vehicles that can run by switching between automatic operation mode and manual operation mode,
The processing procedure is as follows:
Vehicle information acquisition step for acquiring vehicle information from the vehicle;
A driver state acquisition step for acquiring driver information related to the operation of the driver;
A display control step for controlling a display unit for displaying image information,
The display control step includes:
Based on the vehicle information and the driver information, the driving mode and the operation of the driver in the operation unit that performs the driving operation of the vehicle are displayed.

  According to the seventh aspect of the present invention, the driving mode can be appropriately grasped by displaying the driving mode and the operation of the driver in the operation unit that performs the driving operation of the vehicle. It is possible to appropriately grasp that the operation is accepted. Thereby, it is possible to give the driver a sense of security with respect to the vehicle that can switch between the automatic driving mode and the manual driving mode.

  According to the present invention, it is possible to give the driver a sense of security with respect to a vehicle capable of switching between the automatic driving mode and the manual driving mode.

It is a block diagram which shows the display apparatus which concerns on embodiment of this invention. It is a figure where it uses for description of operation | movement of the display apparatus of FIG. FIG. 3 is a diagram for explaining the continuation of FIG. 2. 3 is a flowchart for explaining the operation of the display device of FIG. 1.

[First Embodiment]
FIG. 1 is a functional block diagram showing a display device according to the first embodiment of the present invention.
The display device 1 provides various information to the driver in the vehicle.
Here, the vehicle 10 in which the display device 1 is used is a vehicle in which the driving mode can be switched between the automatic driving mode and the manual driving mode, and the environment in which the operation of the dedicated driving mode changeover switch and the automatic driving cannot be performed. In addition to the case where a change is detected, the travel mode is switched from the automatic operation mode to the manual operation mode also by operation of the brake pedal, whereby the brake pedal serves as an operation unit for switching the travel mode to the manual operation mode.

The display device 1 includes a display unit 2, a vehicle information acquisition unit 3, a driver state acquisition unit 4, and a display control unit 5.
The display device 1 includes the functional blocks shown in FIG. 1 by executing a control program for the display device using an arithmetic processing circuit.
Thereby, the processing procedure by the execution of this control program corresponds to the vehicle information acquisition unit 3, the driver state acquisition unit 4, and the display control unit 5, respectively, the vehicle information acquisition step for executing the corresponding processing, the driver state acquisition A step and a display control step.
Note that the display device 1 is not limited to being used in the vehicle 10 by so-called installation, but can be widely applied to a case where the display device 1 is used in the vehicle 10 by being carried by an information portable terminal device represented by a smartphone.

The display unit 2 displays various image information provided by the display device 1 under the control of the display control unit 5.
Various configurations such as a full display meter using an image display panel and a head-up display can be widely applied to the display unit 2.

The vehicle information acquisition unit 3 acquires various vehicle information by wireless and wired data communication with the vehicle 10 and outputs the vehicle information to the display control unit 5.
Here, in this embodiment, the vehicle information includes travel mode identification information for identifying the automatic operation mode and the manual operation mode, whereby the display device 1 is configured to be able to grasp the current travel mode.
The vehicle information includes vehicle speed, various warnings, and the like.

The driver state acquisition unit 4 acquires driver information related to the operation of the driver and outputs the driver information to the display control unit 5.
Here, the driver information includes information on the operation of the driver in the operation unit that performs the driving operation of the vehicle 10.
More specifically, the operation unit that performs the driving operation of the vehicle 10 is a steering wheel, an accelerator pedal, and a brake pedal, so that information on the steering wheel operation, information on the operation of the accelerator pedal, and information on the operation of the brake pedal are driver information. Assigned to.

Here, FIG. 2A is a schematic diagram showing a handle 10A, a brake pedal 10B, and an accelerator pedal 10C, which are operation units for performing a driving operation.
Here, in the vehicle 10 in which the display device 1 is used, a detection mechanism 10Aa including an electrode, a pressure sensor, and the like for detecting contact of the driver's hand is provided on the handle 10A at a certain angular interval. The detection mechanism 10Aa Thus, even in the automatic driving mode, a warning is provided so that the driver does not release his / her hand from the handle 10A for a long time.
The driver state acquisition unit 4 acquires the detection result by the detection mechanism 10Aa as the driver information related to the handle 10A, so that the display device 1 can detect which part of the handle 10A the driver is operating. Configured.
Alternatively, the driver information related to the handle 10A may be acquired by detecting pressure and torque related to the handle operation, or may be acquired by image processing of an imaging result obtained by imaging the handle 10A. good.
In FIG. 2A, the hand of the driver is indicated by the symbol H.

Further, the vehicle 10 is provided with a detection mechanism that detects an operation of the accelerator pedal 10C such as a pressure sensor or a torque sensor on the accelerator pedal 10C, and the driver state acquisition unit 4 uses the detection mechanism to drive the accelerator pedal 10C. User information is acquired.
The vehicle 10 is provided with a plurality of discrete pressure sensors for detecting the driver's operation on the operation surface of the accelerator pedal 10C, so that in this display device 1, which part of the accelerator pedal 10C is operated. Configured to be detectable.
In this case as well, driver information related to the accelerator pedal 10C may be acquired by image processing of an imaging result obtained by imaging the accelerator pedal 10C.
In FIG. 2A, the driver's foot is indicated by the symbol F.

  Further, the driver state acquisition unit 4 similarly acquires and outputs the driver information as driver information for the operation of the brake pedal 10B.

The display control unit 5 is a controller that controls the operation of each unit of the display device 1.
The display control unit 5 starts up the operation when the vehicle 10 is activated, and displays the travel mode and the like on the display unit 2.
FIG. 2 (B) is a diagram showing the display of the display unit 2 in the manual operation mode in comparison with FIG. 2 (A).
The display control unit 5 determines the travel mode based on the vehicle information acquired by the vehicle information acquisition unit 3, and forms the display shown in FIG. 2B in the automatic operation mode.

Here, in the display in the manual operation mode, the travel mode (“MANUAL” indicating the manual operation mode) is displayed. This travel mode is displayed at the lower end side and the center of the display screen.
Further, an operation unit (handle 10A, brake pedal 10B, accelerator pedal 10C) for driving the vehicle 10 and an operation unit (brake pedal 10B) for switching the travel mode to the manual operation mode are displayed.

Further, these operation units 10A to 10C are displayed as images so that the corresponding operation unit of the vehicle 10 can be easily grasped. Note that, for example, an image based on an illustration is applied to the image used for this display.
Further, the operation units (the handle 10A, the brake pedal 10B, and the accelerator pedal 10C) that are displayed as images and perform the driving operation of the vehicle 10 as described above are based on the driver information acquired by the driver state acquisition unit 4. The location that the driver is operating is displayed in an identifiable manner.
In this embodiment, by comparing with FIG. 2 (A), by partially displaying as indicated by reference numerals 10H and 10F, the location where the driver is operating is displayed in an identifiable manner. In this highlighting, various methods such as partially enhancing contrast, partially enhancing color tone, partially highlighting, and displaying various marks partially are used. Can be widely applied.
Thereby, in the display device 1, the driver can recognize that the driver is putting his / her hand on the handle 10A of the vehicle 10 and that the vehicle is accepting that his / her foot is on the accelerator pedal 10C.

Further, when the operation of the brake pedal 10B is detected, the display control unit 5 displays the operation position of the brake pedal by highlighting in the same manner as the accelerator pedal 10C.
Instead of the display of the operation part, the display of the brake pedal 10B and the accelerator pedal 10C as a whole may be switched to the highlighted display to display the operation of the brake pedal 10B and the accelerator pedal 10C.

Thereby, the display device 1 displays the driving mode and the operation of the driver in the operation unit that performs the driving operation of the vehicle 10 in the manual driving mode.
Thus, if the driving mode and the driver's operation in the operation unit that performs the driving operation of the vehicle 10 are displayed, the driver can surely recognize the driving mode even in the situation where the automatic driving mode is changed to the manual driving mode. In addition, it is possible to instantly grasp that the vehicle 10 correctly receives the driving operation of the driver. This can give the driver a sense of security with respect to the vehicle 10.

  In addition, in the display in the manual operation mode, various information such as the vehicle speed and the remaining fuel amount warning is displayed. In FIG. 2B, these displays are indicated by “·”.

  On the other hand, as shown in FIGS. 3A and 3B in comparison with FIGS. 2A and 2B, when it is detected from the vehicle information that the automatic operation mode is set, the display control unit 5 Displays the driving mode and the operation of the driver in the operation unit that performs the driving operation of the vehicle in the same manner.

  Thereby, in this display device 1, even a driver who is unfamiliar with the automatic driving mode can surely recognize the driving mode, and can instantly grasp that the vehicle 10 correctly accepts the driving operation of the driver. As a result, the display device 1 can give the driver a sense of security with respect to the vehicle 10.

  Specifically, the travel mode is displayed as “AUTO” indicating that it is the automatic operation mode. In addition, it is displayed at the center of the screen, which is a display position different from the display location of the travel mode in the manual operation mode, so that the travel mode can be easily recognized even when the display position is different.

  On the other hand, the handle 10A, the brake pedal 10B, and the accelerator pedal 10C are displayed in a display form different from that in the manual operation mode. Thereby, the display device 1 can grasp the automatic operation mode and the manual operation mode even by displaying these operation units, and the driver can feel safe about the vehicle that can switch between the automatic operation mode and the manual operation mode. Can be given.

Specifically, the handle 10 </ b> A and the accelerator pedal 10 </ b> C are displayed so as to be difficult to recognize compared to the manual operation mode. Here, the display that is difficult to recognize is executed by displaying with reduced contrast. Instead, various methods are widely applied, such as when displaying with reduced resolution. Can do.
Here, in this automatic driving mode, if the steering wheel 10A and the accelerator pedal 10C are displayed so as to be difficult to recognize due to the fact that the operation is unnecessary, the traveling mode is confirmed and the steering wheel 10A and the accelerator pedal 10A. Needless to recognize that the operation of the pedal 10C is unnecessary, it can be intuitively understood that the operation of the handle 10A and the accelerator pedal 10C is unnecessary.
As a result, the display form can be varied in this way, and usability can be improved.

  In this way, the display control unit 5 displays the different display forms, and displays the portion being operated with the same highlighting as in the manual operation mode. As a result, the portion being operated can be recognized in the same manner in the manual operation mode and the automatic operation mode, and the usability can also be improved.

On the other hand, the brake pedal 10B is displayed in a different form from the display related to the handle 10A and the accelerator pedal 10C which are other operation units, unlike the manual operation mode.
Specifically, in the manual operation mode, the brake pedal 10B is displayed with the pattern of the stepping surface on the contour of the stepping surface, whereas in the automatic driving mode, the whole is further displayed with a warning color such as red or a danger color. It is colored and the brake pedal 10B is displayed. Further, a character display (in the example of FIG. 3, “End” is displayed) for recognizing the function for ending the automatic operation mode is displayed inside the outline. The display related to the brake pedal B is different from the display related to the handle 10A and the accelerator pedal 10c in the display form depending on the overall color, the presence / absence of character display, and the difficulty of recognition.
The display form of the brake pedal 10B is not limited to this, and various configurations can be widely applied.
Thereby, in this display apparatus 1, it can grasp | ascertain easily that driving | running | working mode is switched to manual operation mode by complete | finishing automatic operation mode with the brake pedal 10B. As a result, an operation for switching the manual operation mode can be intuitively grasped together with a handle and an accelerator pedal, which are related operation units, and usability can be improved.

In the manual operation mode, the display control unit 5 provides borders by gradation at the upper and lower ends of the display of the display unit 2 (FIG. 2B), and does not provide such borders in the automatic operation mode. Thus, the driving mode can be easily recognized.
The traveling speed and the like are displayed in the same manner as in the manual operation mode.

The display control unit 5 switches the display on the display unit 2 between the display in the automatic operation mode and the display in the manual operation mode by switching the travel mode detected from the vehicle information.
As a result, even when the travel mode is switched by a brake operation or the like, the display device 1 can switch the display so as to correspond to this, and the driver can instantly grasp the switching of the travel mode.

FIG. 4 is a flowchart showing a processing procedure in the series of display devices 1.
In the display device 1, when an operation by the driver is detected from the driver information (SP1-SP2), in the automatic driving mode, the driving mode is displayed by the display described above with reference to FIG. (SP3-SP4). In the case of the manual operation mode, the travel mode and the like are displayed by the display described above with reference to FIG. 2B (SP3-SP4).
When the travel mode is switched, the display is switched between the manual operation mode and the automatic operation mode.

  According to this embodiment, the driving mode can be properly grasped by displaying the driving mode and the operation of the driver in the operation unit that performs the driving operation of the vehicle, and further, the vehicle can perform the driving operation of the driver. It is possible to appropriately grasp acceptance. Thereby, it is possible to give the driver a sense of security with respect to the vehicle that can switch between the automatic driving mode and the manual driving mode.

  Furthermore, by displaying the operation location of the driver in the operation unit on the display unit, it is possible to grasp that the vehicle accepts the driving operation of the driver more reliably. Accordingly, it is possible to give the driver a sense of security with respect to a vehicle that can switch between the automatic operation mode and the manual operation mode more appropriately.

  In addition, by switching the display mode related to the operation unit that performs the driving operation of the vehicle between the automatic driving mode and the manual driving mode, the automatic driving mode and the manual driving mode can be grasped more reliably and more appropriately. In addition, it is possible to give the driver a sense of security for a vehicle that can switch between the automatic driving mode and the manual driving mode.

  Furthermore, by switching the display of the display unit by switching the driving mode of the vehicle, even if the driving mode is switched due to, for example, a brake operation, the display is switched so as to correspond to this, and the driver can drive It is possible to grasp the mode change instantly.

  Further, in the automatic operation mode, the operation unit for switching the traveling mode to the manual operation mode is displayed in a form different from the display related to the other operation units, so that the operation for switching the manual operation mode can be intuitively performed. In particular, it can be grasped together with the related operation unit, and usability can be improved.

[Other Embodiments]
As mentioned above, although the specific structure suitable for implementation of this invention was explained in full detail, this invention can change the structure of the above-mentioned embodiment variously in the range which does not deviate from the meaning of this invention.

DESCRIPTION OF SYMBOLS 1 Display apparatus 2 Display part 3 Vehicle information acquisition part 4 Driver | operator state acquisition part 5 Display control part

Claims (7)

In a display device used in a vehicle capable of switching between automatic operation mode and manual operation mode,
A vehicle information acquisition unit for acquiring vehicle information from the vehicle;
A driver state acquisition unit for acquiring driver information related to the operation of the driver;
A display for displaying image information;
A display control unit for controlling the display unit,
The display control unit
A display device that displays a driving mode and an operation of the driver in an operation unit that performs a driving operation of the vehicle based on the vehicle information and the driver information. The display control unit
The display device according to claim 1, wherein an operation location of the driver in the operation unit is displayed based on the driver information. The display control unit
The display device according to claim 1, wherein the display mode of the operation unit is switched between the automatic operation mode and the manual operation mode based on the vehicle information. The display control unit
The display device according to claim 3, wherein display of the display unit is switched by switching a travel mode of the vehicle based on the vehicle information. The display control unit
Furthermore, in the said automatic operation mode, the operation part which switches driving | running | working mode to manual operation mode among the said operation parts is displayed on the said display part by the form different from the display which concerns on another operation part. A display device according to the above. In a display method in a display device used in a vehicle capable of switching between an automatic operation mode and a manual operation mode,
Vehicle information acquisition step for acquiring vehicle information from the vehicle;
A driver state acquisition step for acquiring driver information related to the operation of the driver;
A display control step for controlling a display unit for displaying image information,
The display control step includes:
A display method that displays a driving mode and an operation of the driver in an operation unit that performs a driving operation of the vehicle based on the vehicle information and the driver information. In a control program for a display device that executes a predetermined processing procedure by execution by an arithmetic processing circuit,
The display device
It is a display device used in vehicles that can run by switching between automatic operation mode and manual operation mode,
The processing procedure is as follows:
Vehicle information acquisition step for acquiring vehicle information from the vehicle;
A driver state acquisition step for acquiring driver information related to the operation of the driver;
A display control step for controlling a display unit for displaying image information,
The display control step includes:
A control program for a display device, which displays a driving mode and an operation of the driver in an operation unit that performs a driving operation of the vehicle based on the vehicle information and the driver information.

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