WO2013186973A1 - 情報提示装置、及び情報提示装置の制御方法 - Google Patents
情報提示装置、及び情報提示装置の制御方法 Download PDFInfo
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- WO2013186973A1 WO2013186973A1 PCT/JP2013/002632 JP2013002632W WO2013186973A1 WO 2013186973 A1 WO2013186973 A1 WO 2013186973A1 JP 2013002632 W JP2013002632 W JP 2013002632W WO 2013186973 A1 WO2013186973 A1 WO 2013186973A1
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- stimulus
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- user
- stimulation
- contact surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
- B62D15/02—Steering position indicators ; Steering position determination; Steering aids
- B62D15/029—Steering assistants using warnings or proposing actions to the driver without influencing the steering system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2002/981—Warning systems, e.g. the seat or seat parts vibrates to warn the passenger when facing a danger
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B6/00—Tactile signalling systems, e.g. personal calling systems
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/167—Driving aids for lane monitoring, lane changing, e.g. blind spot detection
Definitions
- the present invention relates to an information presentation apparatus that presents information to a user by giving a stimulus through a tactile sense.
- a tactile display that stimulates the user through tactile sense.
- a tactile display is provided on, for example, a car seat or a handle, and presents the position of a peripheral object outside the vision to the user (see, for example, Patent Documents 1, 2, and 3).
- JP 2006-199094 A Japanese Patent No. 4650720 JP 2011-37205 A
- an information presentation apparatus is an information presentation apparatus that presents a stimulus to a user in accordance with characteristics of the peripheral object of the user, and includes the characteristics of the peripheral object. Based on the information that represents the characteristics of the peripheral object, the acquisition unit that acquires the information that represents, the stimulus presentation unit that contacts the user on the contact surface and presents the stimulus to the user in the stimulation region in the contact surface And a stimulus control unit configured to specify a reference position in the contact surface and to control the stimulus presentation unit to present the stimulus while changing the stimulus region with reference to the reference position.
- the user can clearly perceive the characteristics of the peripheral object, in particular, the position of the peripheral object by tactile sensation. .
- FIG. 1 is a block diagram illustrating a system configuration of the information presentation apparatus according to the first embodiment.
- FIG. 2 is a schematic diagram illustrating a specific configuration of the stimulus presentation unit according to the first embodiment.
- FIG. 3 is a diagram for explaining the operation of the information presentation apparatus according to the first embodiment.
- FIG. 4 is a flowchart of the operation of the information presentation apparatus according to the first embodiment.
- FIG. 5 is a diagram illustrating an example of a stimulus presentation control method of the stimulus control unit.
- FIG. 6 is a diagram illustrating a first modification of the stimulus presentation control method of the stimulus control unit.
- FIG. 7 is a diagram illustrating a second modification of the stimulus presentation control method of the stimulus control unit.
- FIG. 8 is a diagram illustrating the configuration of the rotation stimulation unit.
- FIG. 1 is a block diagram illustrating a system configuration of the information presentation apparatus according to the first embodiment.
- FIG. 2 is a schematic diagram illustrating a specific configuration of the stimulus presentation unit according to the first embodiment.
- FIG. 9 is a diagram for explaining the operation of the information presentation device using the rotation stimulation unit.
- FIG. 10 is a block diagram illustrating a system configuration of the information presentation apparatus according to the second embodiment.
- FIG. 11 is a diagram for explaining the operation of the stimulus presentation unit according to the second embodiment.
- FIG. 12 is a flowchart of the operation of the information presentation apparatus according to the second embodiment.
- FIG. 13 is a diagram showing a stimulus presentation method of the stimulus control unit according to the second embodiment.
- FIG. 14 is a diagram illustrating another example of the stimulus presentation method of the stimulus control unit according to the second embodiment.
- FIG. 15 is a diagram for explaining an information presentation device applied to a helmet.
- the technique described in Patent Document 1 includes a plurality of tactile devices for presenting a stimulus to a user on a car handle, and turns ON / OFF the adjacent tactile devices according to the position of a peripheral object with a time difference.
- This is a technique for presenting a stimulus to a user.
- the stimulus given to the user may be weak depending on the location of the handle of the user.
- the technique described in Patent Document 2 is a technique in which vibrators are arranged in a lattice pattern on the seating surface and the back surface of a vehicle seat, and vibration is given to the user from the vibrator according to the position of the peripheral object of the seat.
- the change in the position of the peripheral object with respect to the user is small, the user perceives a stimulus from the same position. For this reason, the sensitivity to perceive the user's stimulus is reduced, and the user may not be able to obtain the stimulus sufficiently.
- Patent Document 3 controls the intensity of stimulation of two vibrators provided on the steering wheel of a car, so that a user holding a corresponding portion between the two vibrators of the steering wheel can be
- This is a technique for presenting a stimulus according to a position to a user.
- the technique of Patent Document 3 since the user grips between the vibrators, the problem is that the stimulus given to the user is weak.
- an information presentation apparatus is an information presentation apparatus that presents a stimulus to a user according to the characteristics of the peripheral object of the user. Based on an acquisition unit that acquires information representing a feature, a stimulus presentation unit that contacts the user on a contact surface and presents a stimulus to the user in a stimulus region within the contact surface, and information that represents a feature of the peripheral object And a stimulus control unit that performs control to specify a reference position in the contact surface and present the stimulus to the stimulus presentation unit while changing the stimulus region with reference to the reference position.
- a strong stimulation can be presented to the user based on the characteristics of the surrounding object.
- the information indicating the characteristics of the peripheral object may be information indicating the position of the peripheral object or information indicating the relative position between the user and the peripheral object.
- the stimulus control unit may perform control to cause the stimulus presenting unit to present a stimulus while rotating the position of the stimulus region around the reference position.
- the stimulus control unit may perform control to cause the stimulus presentation unit to present a stimulus while increasing or decreasing the area of the stimulus region around the reference position.
- a plurality of the stimulus presentation units are provided on the contact surface, each including a projecting stimulus unit that can project from the contact surface, and presenting a stimulus to the user by the projection of the projecting stimulus unit in the stimulation region May be.
- a plurality of the stimulus presentation units are provided on the contact surface, each of which includes a plurality of rotation stimulus units that rotate on the contact surface, and the stimulus control unit includes the rotation stimulus corresponding to the reference position A part may be specified, and the rotation stimulation unit may be rotated.
- a contact surface detection unit that detects the contact surface may be further provided.
- the stimulus control unit calculates a risk level based on information representing the characteristics of the peripheral object, and causes the stimulus presentation unit to present a stimulus while changing the stimulus area based on the risk level. Also good.
- the stimulus control unit may perform control to cause the stimulus presentation unit to quickly change the stimulus region and present the stimulus as the distance between the user's position and the position of the surrounding object is shorter.
- the user can perceive the distance between the position of the moving object of the peripheral object and the position of the peripheral object based on the changing speed of the stimulation region.
- the stimulus control unit may perform control to cause the stimulus presentation unit to quickly change the stimulus region and present the stimulus as the change in the position of the peripheral object is larger.
- the user can perceive the change in the position of the surrounding object (the speed of the surrounding object) based on the changing speed of the stimulation region.
- the stimulus control unit may further change the strength of the stimulus based on information representing the characteristics of the peripheral object.
- the stimulus control unit specifies a first reference position in the contact surface based on information representing the characteristics of the peripheral object, and the stimulus presenting unit uses the first reference position as a reference. Control the stimulus to be presented while changing the stimulus area over time, and then specify a second reference position that is different from the first reference position in the contact surface based on information representing the characteristics of the surrounding object In this case, control is performed to cause the stimulus presentation unit to present a stimulus while temporally changing the stimulus region with reference to the second reference position.
- the stimulus control unit sets the position of the first car to the first reference position and the second car to the second reference position. It is also possible to perform control to present a stimulus while independently changing the stimulus region with respect to each other.
- control method of the information presentation apparatus is an information presentation apparatus that makes contact with a user on a contact surface and presents a stimulus according to a feature of a peripheral object of the user in a stimulus region in the contact surface.
- the acquisition step of acquiring information representing the feature of the peripheral object, the specifying step of identifying a reference position in the contact surface based on the information representing the feature of the peripheral object, and the reference position And a control step of presenting a stimulus to the user while changing the stimulation area with reference to
- FIG. 1 is a block diagram illustrating a system configuration of the information presentation apparatus according to the first embodiment.
- the information presentation device 100 includes an acquisition unit 110, a stimulus control unit 120, and a stimulus presentation unit 130.
- the information presentation apparatus 100 presents a stimulus according to the position of a peripheral object to a user who moves by a car (moving body).
- the acquisition unit 110 acquires position information indicating the position of the peripheral object with respect to the moving object.
- the position information of the peripheral object is typically information on the distance from the moving body to the peripheral object detected by the millimeter wave radar provided outside the information presentation apparatus 100. That is, the acquisition unit 110 acquires position information from a millimeter wave radar provided outside the information presentation apparatus 100.
- the acquisition unit 110 may acquire position information from a device using a stereo camera, a TOF (Time-Of-Flight) distance sensor, a range finder, a GPS (Global Positioning System), or the like.
- the acquisition unit 110 may acquire position information by wire or wireless.
- the stimulus presentation unit 130 comes into contact with the user through the contact surface, and presents the stimulus to the user in the stimulus region within the contact surface.
- the stimulus presentation unit 130 is provided in the driver's seat of the car, and the contact surface is the backrest of the driver's seat. Details of the stimulus presentation unit 130 will be described later.
- the stimulus control unit 120 specifies a reference position that is a position corresponding to the position information in the contact surface, and performs control to present the stimulus to the user so that the stimulus region changes with the reference position as a reference. Specifically, in the first embodiment, the stimulus control unit 120 performs control to present the stimulus to the user by rotating the stimulus region around the reference position.
- FIG. 2 is a schematic diagram illustrating a specific configuration of the stimulus presentation unit 130 according to the first embodiment.
- the stimulus presentation unit 130 is provided in the driver's seat of the car, and the contact surface 140 is the backrest of the driver's seat that contacts the user's back.
- the contact surface 140 is provided with a plurality of protruding stimulation parts 150 in a matrix.
- the protrusion stimulating unit 150 protrudes from the contact surface 140 to the user only when stimulating the user, but normally does not protrude from the contact surface 140.
- the number of the protrusion stimulation parts 150 shown by FIG. 2 is an example, and is not necessarily shown correctly. The same applies to the following drawings.
- Projection / non-projection of the protrusion stimulation part 150 is controlled by a piezoelectric element (piezo actuator) provided in each of the protrusion stimulation parts 150.
- the stimulus control unit 120 controls the protrusion of the plurality of protrusion stimulation units 150 by controlling the voltage applied to the piezoelectric element provided in each of the protrusion stimulation units 150.
- protrusion / non-protrusion of the protrusion stimulation unit 150 may be controlled by a solenoid coil, or by a small actuator such as a gel actuator or a stacked electrostatic actuator.
- FIG. 3 is a diagram for explaining the operation of the information presentation apparatus 100.
- FIG. 3A is a schematic diagram when the positional relationship between the moving body driven by the user and the peripheral object is viewed from above, and FIG. 3B shows the stimulus presentation unit 130 at the driver's seat. It is the perspective view seen from the back side.
- FIG. 4 is a flowchart of the operation of the information presentation apparatus 100.
- the acquisition unit 110 acquires the position information of the surrounding objects in the detection range 190a of the millimeter wave radar (S101 in FIG. 4). Specifically, as illustrated in FIG. 3A, the acquisition unit 110 acquires information on the position 170 a of the peripheral object 170 and information on the position 180 a of the peripheral object 180 with respect to the moving body 160 driven by the user. To do.
- the upper side is the traveling direction of the moving body 160.
- the peripheral object is schematically illustrated as a car, but the peripheral object may of course be a building, a pedestrian, or the like.
- the stimulus control unit 120 specifies the reference position (S102 in FIG. 4).
- the reference position is a position corresponding to position information of a peripheral object in the contact surface.
- the stimulus control unit 120 corresponds to the protruding stimulus unit 170b corresponding to the position 170a and the position 180a in the contact surface 190b corresponding to the detection range 190a.
- the protruding stimulation part 180b to be identified is specified as the reference position.
- the reference position does not necessarily need to be the protrusion stimulation part 150, and a part of the contact surface 190b where the protrusion stimulation part 150 is not provided may be specified as the reference position.
- the stimulus control unit 120 specifies, as a reference position, the protruding stimulus unit 170b located at a location closest to the position corresponding to the position 170a on the contact surface 190b from the relative relationship between the detection range 190a and the contact surface 190b. Can do.
- the center of the contact surface 190b corresponds to the position of the moving body 160, but the position corresponding to the moving body 160 in the contact surface 190b may be set to any position.
- the stimulus control unit 120 causes the stimulus presenting unit 130 to present a stimulus by controlling the projecting stimulus unit 150 used to present the stimulus to the user on the contact surface 190b in order to project (S103 in FIG. 4). .
- the stimulation control unit 120 performs control to cause the protruding stimulation unit 150 to protrude in order clockwise around the reference position. That is, the stimulation region (protruding protruding stimulation part 150) in the contact surface 190b that presents a stimulus to the user rotates (circulates) around the reference position on the contact surface 190b.
- FIG. 5 is a diagram illustrating an example of a stimulus presentation control method of the stimulus control unit 120.
- FIG. 5 is a view of the contact surface 190b around the protruding stimulation portion 170b in FIG. 3B viewed from the user side, unlike FIG. 3B.
- the protrusion stimulation part 150 indicated by a white circle represents a protrusion stimulation part that does not protrude from the contact surface 190b.
- the protrusion stimulation parts 150a, 150b, 150c, and 150d indicated by black circles represent protrusion stimulation parts protruding from the contact surface 190b.
- the protrusion stimulation part 170b is a protrusion stimulation part specified as a reference position by the stimulus control part 120. Note that FIG. 5 illustrates only the periphery of the protruding stimulation portion 170b in the contact surface 190b, but the same applies to the periphery of the protruding stimulation portion 180b.
- the stimulus control unit 120 has a protruding protruding stimulation unit, that is, the protruding region of the protruding stimulation unit 150 so that the stimulation region rotates around the protruding stimulation unit 170 b when viewed from the user side. Control the protrusion.
- the stimulus control unit 120 projects only the projecting stimulation unit 150b following the state of FIG. 5A in which only the projecting stimulation unit 150a is projected.
- the stimulation control unit 120 causes only the protruding stimulation unit 150a to protrude as shown in FIG. 5A following the state of FIG. 5D in which only the protruding stimulation unit 150d protrudes, and the subsequent control. Will be repeated.
- the stimulation control unit 120 identifies the protruding stimulation unit 150 that is different from the protruding stimulation unit 170b as the reference position, and the identified protruding stimulation unit 150 The same control is performed centering on.
- the stimulation control unit 120 controls the protrusion of the protrusion stimulation part 150 so that the protrusion protrusion stimulation part 150 that protrudes rotates around the protrusion stimulation part 170b.
- the user can perceive a stimulus that rotates around the reference position. That is, even when the position of the peripheral object 170 does not change and the protruding stimulus part 150 that is the reference position does not change, the user can be presented with a stimulus, and the stimulus can be stronger than the conventional method.
- the stimulus given to the user is generally obtained by the following equation (1).
- Stimulus area change amount of stimulus area per unit time x strength of stimulus x sensory coefficient of receptive field (1)
- the sensory coefficient of the receptive field is a parameter that depends on the spatial resolution of the stimulation area and the frequency response of the skin's receptive field where the user perceives the stimulation.
- the presentation method that changes the position (stimulation region) to which the stimulus is applied is different from the presentation method that changes the strength of the stimulus to be given to the user at the same position. large. In other words, the sensitivity to perceive the user's stimulus is increased. Therefore, in this way, the information presenting apparatus 100 can present the stimulus (information) to the user without reducing the sensitivity with which the user perceives the stimulus by constantly changing the stimulus region.
- the stimulus presentation method of the stimulus control unit 120 shown in FIG. 5 is an example, and the present invention is not limited to this.
- the stimulus control unit 120 may present the stimulus to the user while changing the stimulus region with reference to the reference position.
- FIG. 6 and 7 are diagrams illustrating another example of the stimulus presentation control method of the stimulus control unit 120.
- the stimulus controller 120 controls the protrusion of the protrusion stimulator 150 so that the four stimulus blocks constituting the stimulus region rotate around the reference position, respectively. May be.
- each stimulation block is composed of 24 protruding protruding stimulation units.
- the number of stimulation blocks and the number of protruding protruding stimulation parts constituting the stimulation block need to be constant while presenting the stimulation. There is no.
- the change in the stimulation region is preferably adjusted according to the receptive field of the user's skin that contacts the contact surface 140.
- the sensory coefficient of the receptive field in the above-mentioned formula (1) can be optimized.
- the protrusion stimulation part 150 is arranged in a matrix on the contact surface 140, but the protrusion stimulation part 150 may be arranged in a honeycomb shape (honeycomb shape) on the contact surface 140.
- the protrusion stimulating unit 150 may be provided on the seating surface of the driver's seat.
- a plurality of electrodes may be arranged in a matrix on the contact surface 140 of the stimulus presentation unit 130 instead of the protruding stimulus unit 150. That is, the stimulus control unit 120 may give the user a stimulus by flowing a weak current from the electrode.
- the contact surface 140 may be provided with a plurality of air holes in a matrix instead of the protrusion stimulating unit 150. That is, the stimulus control unit 120 may give the user a stimulus by the air pressure from the air hole provided in the stimulus presentation unit 130.
- the stimulus control unit 120 may not only send air directly to the user, but may also give a stimulus to the user by extruding or returning a protrusion such as a balloon by air pressure.
- the stimulus presentation unit 130 is not limited to the configuration using the protruding stimulus unit 150.
- the stimulus presentation unit 130 may be provided with a plurality of rotation stimulation units.
- FIG. 8 is a diagram illustrating the configuration of the rotation stimulation unit.
- (A) of FIG. 8 is the figure which looked at the rotation stimulation part from the side surface
- (b) of FIG. 8 is the figure which looked at the rotation stimulation part from the upper surface.
- one rotation stimulation unit 240 includes four convex portions 250.
- the rotation stimulation unit 240 is provided in a matrix on the contact surface 140 of the stimulus presentation unit 230 in the same manner as the protrusion stimulation unit 150, and each of the rotation stimulation units 240 rotates with respect to the contact surface 140.
- FIG. 9 is a diagram for explaining the operation of the information presentation device using the rotation stimulation unit 240.
- the operation flowchart is the same as in FIG.
- the acquisition unit 110 acquires position information of a peripheral object in the detection range 290a of the millimeter wave radar (S101 in FIG. 4). Specifically, as illustrated in FIG. 9A, the acquisition unit 110 acquires information on the position 270 a of the peripheral object 270 with respect to the moving object 260 and information on the position 280 a of the peripheral object 280.
- the stimulus control unit 120 specifies a reference position in the contact surface (S102 in FIG. 4). Specifically, as shown in FIG. 9B, the stimulus control unit 120 is the rotational stimulus unit closest to the position 270 a ′ corresponding to the position 270 a in the contact surface 290 b corresponding to the detection range 290 a. 270b and the rotational stimulation unit 280b closest to the position 280a ′ corresponding to the position 280a are specified as the reference position.
- the stimulus control unit 120 rotates the rotation stimulus units 270b and 280b and causes the stimulus presentation unit 130 to present a stimulus (S103 in FIG. 4).
- the control resources of the stimulation control unit 120 are reduced and the control is simplified as compared with the configuration using the protruding stimulation unit 150. There is an advantage that can be reduced in size.
- the rotation speed of the rotation stimulation unit may be changed according to the moving speed of the surrounding objects. That is, the stimulation control unit 120 may increase the rotation speed of the rotation stimulation unit 240 as the change in the position of the peripheral object increases. Further, the size of the surrounding object may be measured by a millimeter wave radar or the like, and the stimulation control unit 120 may increase the rotation speed of the rotation stimulation unit 240 as the size of the surrounding object increases.
- the moving speed and size of the surrounding objects as described above can be used as parameters representing the degree of danger. Therefore, the stimulus control unit 120 can cause the user to recognize the degree of danger by increasing the degree of danger to the user, that is, increasing the rotation speed as the degree of danger is higher.
- the information presentation apparatus 100 may include means for recognizing the degree of danger, and may judge the degree of danger other than the moving speed and size of the surrounding objects.
- the means for recognizing the degree of risk is the contour or edge (luminance gradient direction) by image processing / image recognition input from the camera.
- a person can be detected by the histogram.
- the stimulus control unit 120 may increase the rotation speed of the rotation stimulus unit 240, assuming that the risk level is high.
- the means for recognizing the above-mentioned risk level is not only person detection, but also performs vehicle type detection by learning with a similar mechanism, such as large vehicles such as trucks and buses, general vehicles, and others
- the degree of risk may be determined by distinguishing.
- the stimulus control unit 120 determines the rotation speed of the rotation stimulus unit 240 as the rotation speed when a general vehicle is detected.
- the rotational speed of the stimulation unit 240 may be increased.
- the means for recognizing the degree of risk when used in image processing / recognition, detects the above-described detection based not only on a histogram of contours and edges (luminance gradient direction) but also on features such as optical flow and local autocorrelation. You may go.
- ITS Intelligent Transportation System
- the types of surrounding vehicles can be specified from the short-range communication results.
- position information is sent to a short distance, so that it is easy to detect a pedestrian at a short distance.
- the means for recognizing the risk level may recognize the risk level by detecting vehicle or pedestrian information by short-range communication. For example, when it is detected that there is a large vehicle or a pedestrian within a predetermined distance, the stimulus control unit 120 increases the rotation speed of the rotation stimulation unit 240, so that the user can recognize the degree of risk.
- the means for recognizing the degree of risk may recognize the degree of risk not only by the type of vehicle and the presence or absence of pedestrians but also by the driving conditions of surrounding vehicles.
- the information acquired by the acquisition unit 110 is not limited to position information.
- the acquisition unit 110 may acquire information representing the characteristics of a peripheral object by wire or wireless.
- the information representing the characteristics of the peripheral object may be, for example, position information, and may also be information indicating the speed, direction, size, and type of the moving object (user) and the peripheral object.
- the reference position in the contact surface may represent the speed.
- the stimulus control unit 120 sets the reference position above the center position as the peripheral speed is faster than the user speed.
- the reference position may be set lower than the center position as the speed of the object is slower than the speed of the moving object (user).
- the information acquired by the acquisition unit 110 is the type of the peripheral object, for example, recognizing whether the type of the peripheral object is a person or a car.
- a camera or the like that can recognize an image may be provided outside the information presentation apparatus 100 (for example, a moving body).
- the stimulus control unit 120 sets the reference position above the center position when the type of the peripheral object is a person, and the type of the peripheral object is In the case of a car, the reference position may be set below the center position.
- the stimulus control unit 120 specifies the reference position based on the information representing the feature, and changes the stimulation region based on the reference position in the stimulus presentation unit. Control to present the stimulus while doing.
- the stimulus control unit 120 may control the vehicle operation unit based on the vehicle operation unit such as a handle or a brake and the position information acquired by the acquisition unit 110. Specifically, the stimulus control unit 120 may perform control such that a load is applied to the handle operation in the direction in which the peripheral object is present (the handle operation is increased) based on the position information. In addition, for example, the stimulus control unit 120 may perform control such as decelerating or stopping by a brake operation when a peripheral object is present on the front surface based on the position information.
- the change speed of the stimulation region may be changed according to the moving speed of the surrounding object or the size of the surrounding object. Further, as the distance between the position of the moving body (user) and the position of the peripheral object is closer, the stimulation area may be changed quickly so that the stimulation is presented to the user.
- the stimulus control unit 120 may change the rate of change of the stimulation region and may also change the area of the stimulation region according to the degree of risk.
- the information presentation apparatus 100 has been described above. According to the information presenting apparatus 100, even when the change in the position of the peripheral object relative to the user is small, the user can clearly perceive the position of the peripheral object by touch.
- FIG. 10 is a block diagram showing a system configuration of the information presentation apparatus according to the second embodiment.
- the information presentation device 300 is different from the information presentation device 100 in that the contact surface detection unit 310 is provided. Moreover, as will be described later, the information presentation device 300 is different from the information presentation device 100 in that the stimulus presentation unit 330 is provided on the handle of the car.
- the information presentation device 300 is applied to a steering wheel, but the position where the user grips the steering wheel is different for each user who drives the car. For this reason, when the reference position is specified with respect to the entire surface of the handle, there is a possibility that the stimulus cannot be appropriately presented to the user when the reference position and the position where the handle is gripped are greatly different.
- the information presentation apparatus 300 includes a contact surface detection unit 310, and the contact surface detection unit 310 detects a contact surface, which is an area where the user is holding the handle, out of the entire handle surface.
- the contact surface detection unit 310 is, for example, a pressure sensor, and detects the contact surface by the pressure with which the user holds the handle.
- FIG. 11 (B) of FIG. 11 is a figure for demonstrating operation
- a plurality of projecting stimulation units 350 are provided on the entire surface 340 of the handle that is the stimulation presentation unit 330.
- the protrusion stimulation part 350 has the same configuration as the protrusion stimulation part 150 described in the first embodiment.
- FIG. 11 is a schematic diagram when the positional relationship between the moving object driven by the user and the peripheral object is viewed from above.
- FIG. 12 is a flowchart of the operation of the information presentation device 300.
- the acquisition unit 110 acquires position information of peripheral objects in the detection range 390a on the left side in the traveling direction of the moving body 360 and the detection range 391a on the right side in the traveling direction (S201 in FIG. 12). Specifically, as illustrated in FIG. 11A, the acquisition unit 110 acquires information on the position 370 a of the peripheral object 370 with respect to the moving object 360 and information on the position 380 a of the peripheral object 380.
- the contact surface detection unit 310 detects the contact surface (S202 in FIG. 12). Specifically, the contact surface detection unit 310 detects the contact surface 390b and the contact surface 391b, which are regions gripped by the user, of the entire handle surface 340 using a pressure sensor.
- the stimulus control unit 120 specifies the reference position in the contact surface (S203 in FIG. 12). Specifically, as illustrated in FIG. 11B, the stimulation control unit 120 includes a protruding stimulation unit 380b in a position 380a ′ corresponding to the position 380a in the contact surface 390b corresponding to the detection range 390a. Specify as a reference position.
- the stimulus control unit 120 specifies the protruding stimulus part 370b in the position 370a ′ corresponding to the position 370a as the reference position in the contact surface 391b corresponding to the detection range 391a.
- the stimulus control unit 120 protrudes the protruding stimulus unit 350 used for presenting the stimulus to the user on the contact surface 190b, and presents the stimulus to the user (S204 in FIG. 12). Specifically, the stimulus control unit 120 performs control to present the stimulus to the user while increasing / decreasing the area of the stimulus region around the reference position.
- FIG. 13 is a diagram illustrating an example of a stimulus presentation method of the stimulus control unit 120 according to the second embodiment.
- FIG. 13 is a view of (b) position 370a ′ of FIG. 11 viewed from the user side.
- the protruding stimulation part 350 indicated by a white circle represents the protruding stimulation part 350 that does not protrude from the contact surface 391b.
- the protrusion stimulation part 350 shown with a black circle represents the protrusion stimulation part 350 protruding from the contact surface 391b.
- the protrusion stimulation part 370b is the protrusion stimulation part 350 specified by the stimulation control part 120 as the reference position.
- FIG. 13 shows only the position 370a ′, but the same applies to the position 380a ′.
- the stimulation control unit 120 projects the protruding stimulation unit 350 so that the protruding stimulation unit 350 that protrudes increases or decreases radially around the protruding stimulation unit 370 b when viewed from the user side. To control. In other words, the stimulation control unit 120 controls the protrusion of the protrusion stimulation part 350 so that the area of the stimulation region increases or decreases radially around the protrusion stimulation part 370b.
- the stimulation control unit 120 sets the area of the stimulation region so that the stimulation region changes in the order shown in (a), (b), (c), and (d) of FIG. increase. Following the state shown in FIG. 13D, the stimulation control unit 120 returns the stimulation region to the state shown in FIG. That is, the stimulus control unit 120 decreases the area of the stimulus region. The subsequent control is repeated.
- the stimulation control unit 120 identifies the protruding stimulation unit 350 different from the protruding stimulation unit 370b as the reference position, and the identified protruding stimulation unit 350 The same control is performed centering on.
- the presentation method of the stimulus of the stimulus control unit 120 is not limited to that shown in FIG. Similar to the first embodiment, the stimulation control unit 120 may control the protrusion of the protrusion stimulation part 350 such that the protrusion protrusion stimulation part 350 that rotates protrudes around the protrusion stimulation part 370b.
- the stimulation control unit 120 may cause the protruding stimulation unit 350 to protrude randomly around the protruding stimulation unit 370b.
- FIG. 14 is a diagram showing another example of the stimulus presentation method of the stimulus control unit 120 according to the second embodiment. As shown in FIG. 14, the stimulation control unit 120 does not need to periodically change the stimulation region, and may randomly change the stimulation region.
- the stimulation control unit 120 may increase or decrease the stimulation area radially, or may randomly change the stimulation area.
- the information presentation apparatus 300 according to Embodiment 2 has been described. According to the information presenting apparatus 300, even when the change in the position of the peripheral object relative to the user is small, the user can clearly perceive the position of the peripheral object by touch.
- the stimulus presentation unit 330 is provided on the handle as in the second embodiment, unlike the driver's seat, there may be a case where the area of the contact surface with the user cannot be sufficiently secured. Therefore, in such a case, a position obtained by simplifying the position information acquired by the acquisition unit 110 may be used as the reference position.
- the information presentation device 300 may be configured to present the position of a rough peripheral object.
- the information presenting device 300 can notify the user whether the non-visual peripheral object is on the left or right side or the front or back side of the vehicle that the driver is driving, so that an accident at the time of lane change due to an oversight of the surrounding vehicle can be detected. It becomes possible to suppress.
- the information presentation device can be applied to a walking support device for visually impaired persons.
- the stimulus presentation unit can be realized in the form of a belt attached to the user's abdomen or back, or a form of clothing (jacket shape). That is, the present invention can be realized as a form of an article worn by the user.
- FIG. 15 is a diagram for explaining an information presentation device applied to a helmet.
- FIG. 15 is a figure which shows typically the coordinate of a periphery thing when a user exists in a center position.
- a stimulus presentation unit is provided on the inner side of the helmet shown in FIG. 15 (b) corresponding to the coordinates shown in FIG. 15 (a). Can perceive.
- a stimulus presentation unit provided in a region corresponding to the user's back of the head performs stimulus presentation.
- the stimulus control unit causes the stimulus presentation unit to present a stimulus while changing the stimulus region around the reference position.
- a stimulus presentation unit provided in an area corresponding to the user's forehead performs stimulus presentation inside the helmet shown in FIG.
- the stimulus control unit causes the stimulus presentation unit to present a stimulus while changing the stimulus region around the reference position.
- the information presentation device is trained so that the direction of the object can be intuitively grasped from the place where the crew or the like is stimulated, so that the information presenting device cannot compensate for the visual information, and the 360 ° omnidirectional direction recognition device Can be used as well.
- the information presentation device may be realized as a suit covering a glove or a body having a stimulus presentation unit instead of a helmet.
- the information presentation apparatus can be used as a direction recognition apparatus with 360 degrees in all directions.
- each of the above devices can be realized by a computer system including a microprocessor, a ROM, a RAM, a hard disk unit, a display unit, a keyboard, a mouse, and the like.
- a computer program is stored in the RAM or the hard disk unit.
- Each device achieves its functions by the microprocessor operating according to the computer program.
- the computer program is configured by combining a plurality of instruction codes indicating instructions for the computer in order to achieve a predetermined function.
- a part or all of the components constituting each of the above devices may be configured by one system LSI (Large Scale Integration).
- the system LSI is an ultra-multifunctional LSI manufactured by integrating a plurality of components on a single chip, and specifically, a computer system including a microprocessor, ROM, RAM, and the like. .
- a computer program is stored in the ROM.
- the system LSI achieves its functions by the microprocessor loading a computer program from the ROM to the RAM and performing operations such as operations in accordance with the loaded computer program.
- Part or all of the constituent elements constituting each of the above devices may be configured from an IC card or a single module that can be attached to and detached from each device.
- the IC card or module is a computer system that includes a microprocessor, ROM, RAM, and the like.
- the IC card or the module may include the super multifunctional LSI described above.
- the IC card or the module achieves its functions by the microprocessor operating according to the computer program. This IC card or this module may have tamper resistance.
- the present invention may be realized by the method described above. Further, these methods may be realized by a computer program realized by a computer, or may be realized by a digital signal consisting of a computer program.
- the present invention also relates to a computer readable recording medium such as a flexible disk, hard disk, CD-ROM, MO, DVD, DVD-ROM, DVD-RAM, BD (Blu-ray (registered trademark)). ) Disc), or recorded in a semiconductor memory or the like. Moreover, you may implement
- a computer program or a digital signal may be transmitted via an electric communication line, a wireless or wired communication line, a network represented by the Internet, a data broadcast, or the like.
- the present invention is also a computer system including a microprocessor and a memory.
- the memory stores a computer program, and the microprocessor may operate according to the computer program.
- program or digital signal may be recorded on a recording medium and transferred, or the program or digital signal may be transferred via a network or the like, and may be implemented by another independent computer system.
- this invention is not limited to these embodiment or its modification. Unless it deviates from the gist of the present invention, various modifications conceived by those skilled in the art are applied to the present embodiment or the modification thereof, or a form constructed by combining different embodiments or components in the modification. Included within the scope of the present invention.
- the user can clearly perceive the feature of the peripheral object, particularly the position of the peripheral object by tactile sense, and particularly presents the positional information of the peripheral object provided in the driver's seat of the car or the steering wheel. It is useful as an information presentation device.
- Information presentation device 110 Acquisition unit 120 Stimulation control unit 130, 230, 330 Stimulus presentation unit 140, 190b, 290b, 390b, 391b Contact surface 150, 150a to 150d, 170b, 180b, 350, 370b, 380b Projection stimulation unit 160, 260, 360 Mobile 170, 180, 270, 280, 370, 380 Peripherals 170a, 180a, 270a, 270a ', 280a, 280a', 370a, 370a ', 380a, 380a' Position 190a, 290a, 390a, 391a Detection range 240, 270b, 280b Rotation stimulation part 250 Convex part 310 Contact surface detection part 340
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Abstract
Description
背景技術において説明したように、ユーザに対する周辺物の位置の変化が小さいような場合においてもユーザが周辺物の位置を明確に知覚できるような技術が求められている。
図1は、実施の形態1に係る情報提示装置のシステム構成を表すブロック図である。
実施の形態1では、車の運転席に適用される情報提示装置100について説明したが、実施の形態2では、車のハンドルに適用される情報提示装置の例について説明する。なお、以下の実施の形態2の説明において、実施の形態1と同一の符号が付された構成要素については、実施の形態1と同様の動作、及び同一の機能であるものとして説明を省略する。
上記の実施の形態では、車の運転席、またはハンドルに本発明を適用する例について説明した。しかしながら、本発明は、上記の実施の形態に限定されない。例えば、本発明は、潜水艦や、飛行機、宇宙船などの移動体にも適用可能である。
110 取得部
120 刺激制御部
130、230、330 刺激提示部
140、190b、290b、390b、391b 接触面
150、150a~150d、170b、180b、350、370b、380b 突出刺激部
160、260、360 移動体
170、180、270、280、370、380 周辺物
170a、180a、270a、270a´、280a、280a´、370a、370a´、380a、380a´ 位置
190a、290a、390a、391a 検知範囲
240、270b、280b 回転刺激部
250 凸部
310 接触面検出部
340 全面
Claims (12)
- ユーザに当該ユーザの周辺物の特徴に応じた刺激を提示する情報提示装置であって、
前記周辺物の特徴を表す情報を取得する取得部と、
前記ユーザと接触面において接触し、前記接触面内の刺激領域において前記ユーザに刺激を提示する刺激提示部と、
前記周辺物の特徴を表す情報に基づいて前記接触面内における基準位置を特定し、前記刺激提示部に前記基準位置を基準として前記刺激領域を変化させながら刺激を提示させる制御を行う刺激制御部とを備える
情報提示装置。 - 前記周辺物の特徴を表す情報は、前記周辺物の位置を表す情報、前記ユーザと前記周辺物との相対位置を表す情報である
請求項1に記載の情報提示装置。 - 前記刺激制御部は、前記刺激提示部に前記基準位置を中心として前記刺激領域の位置を回転させながら刺激を提示させる制御を行う
請求項1または請求項2に記載の情報提示装置。 - 前記刺激制御部は、前記刺激提示部に前記基準位置を中心として前記刺激領域の面積を増減させながら刺激を提示させる制御を行う
請求項1または請求項2に記載の情報提示装置。 - 前記刺激提示部は、前記接触面に複数設けられ、それぞれが前記接触面から突出可能な突出刺激部を備え、前記刺激領域における前記突出刺激部の突出により前記ユーザに刺激を提示する
請求項1~4のいずれか1項に記載の情報提示装置。 - 前記刺激提示部は、前記接触面に複数設けられ、それぞれが前記接触面上において回転する複数の回転刺激部を備え、
前記刺激制御部は、前記基準位置に対応する前記回転刺激部を特定し、前記回転刺激部を回転させる制御を行う
請求項1~3のいずれか1項に記載の情報提示装置。 - さらに、前記接触面を検出する接触面検出部を備える
請求項1~6のいずれか1項に記載の情報提示装置。 - 前記刺激制御部は、前記周辺物の特徴を表す情報に基づいて危険度を算出し、前記刺激提示部に前記危険度に基づいて前記刺激領域を変化させながら刺激を提示させる
請求項1~7のいずれか1項に記載の情報提示装置。 - 前記刺激制御部は、前記ユーザの位置と前記周辺物の位置との距離が近いほど、前記刺激提示部に前記刺激領域を素早く変化させて刺激を提示させる制御を行う
請求項2~8のいずれか1項に記載の情報提示装置。 - 前記刺激制御部は、前記周辺物の位置の変化が大きいほど、前記刺激提示部に前記刺激領域を素早く変化させて刺激を提示させる制御を行う
請求項2~8のいずれか1項に記載の情報提示装置。 - 前記刺激制御部は、さらに前記周辺物の特徴を表す情報に基づいて、刺激の強さを変化させる
請求項1~10のいずれか1項に記載の情報提示装置。 - ユーザと接触面において接触し、当該ユーザの周辺物の特徴に応じた刺激を前記接触面内の刺激領域において提示する情報提示装置の制御方法であって、
前記周辺物の特徴を表す情報を取得する取得ステップと、
前記周辺物の特徴を表す情報に基づいて前記接触面内における基準位置を特定する特定ステップと、
前記基準位置を基準として前記刺激領域を変化させながら前記ユーザに刺激を提示する制御ステップとを含む
情報提示装置の制御方法。
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US14/117,645 US9463740B2 (en) | 2012-06-11 | 2013-04-18 | Information presentation device, and method for controlling information presentation device |
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