KR102452396B1 - Apparatus for testing hmd - Google Patents

Abstract

The present invention relates to an HMD testing apparatus capable of supporting for operation and testing of a helmet equipped with an HMD. The HMD test apparatus according to the present invention allows the user to intuitively adjust the angle of the helmet equipped with the mounted HMD, and to check the image to be displayed according to the angle adjustment in real time, so that the test can be performed without the wearer, and the test accuracy is improved There is an effect that can make it happen.

Description

HMD testing device {APPARATUS FOR TESTING HMD}

The present invention relates to an HMD testing device, and more particularly, to an HMD testing device capable of performing a test on the operation of an HMD by simulating human movement.

HEAD MOUNT DISPLAY (HMD) is provided to display augmented reality, virtual reality, and additional information based on information about the wearer's head and gaze direction. The HMD is being applied to various fields because it can omit direct input for display in that information according to the angle and gaze direction by the user's head can be displayed in real time.

In particular, the HMD provided in the fighter is replacing various inputs such as omitting input in urgent situations and specifying the target without separate manipulation by eye tracking.

Meanwhile, Korean Patent Registration No. 0612586 is disclosed as a prior art for testing performance during manufacturing of such an HMD. However, such a conventional test apparatus causes relative movement of the HMD while being directly worn by the user, thereby increasing fatigue and making it difficult to secure reliability in performance precision.

Republic of Korea Patent No. 0612586

An object of the present invention is to solve the problems of the conventional HMD testing apparatus and to provide an apparatus capable of quickly and accurately testing the HMD.

As a means of solving the above problems, an HMD holding unit configured to mount a helmet equipped with an HMD, an input unit configured to enable a user to generate an input signal simulating the movement of a pilot's head, and other inputs to the operation of the input unit By receiving image information from an external interface unit that generates image information to be displayed on the HMD according to a cradle driver configured to adjust the posture of the HMD cradle based on a signal, and a sensor signal received from a sensor provided in the HMD, An HMD testing apparatus having a monitoring unit configured to be displayed may be provided.

On the other hand, the mounting part driving unit may be configured to generate at least two-axis motion.

In addition, the mounting unit driving unit is configured to include a pitch driving unit configured to generate a pitch movement in the HMD mounting unit, and the pitch driving unit, one side is pivotably connected to the mounting unit driving unit, and the other side is provided with an HMD mounting unit, , the length may consist of a predetermined length corresponding to the length of the pilot's neck.

On the other hand, it may further include a control unit configured to generate a control input that can operate the driving unit in accordance with the input signal.

On the other hand, the HMD may be provided in the pilot helmet of the aircraft.

Meanwhile, the HMD mounting unit may be provided above the mounting unit driving unit.

The HMD test apparatus according to the present invention can simulate the movement of the wearer, and since the user can directly check the image displayed in the state where the movement of the wearer is simulated, the test can be performed without the wearer, and the effect of improving the test accuracy there is

1 is a block diagram showing the configuration of an HMD testing apparatus according to the present invention.
2 is a perspective view of an HMD testing apparatus according to the present invention.
3 is an enlarged view showing the configuration of the HMD holder.
4 is an operation state diagram illustrating the operation of the mounting unit driving unit according to the operation of the input unit.
5A and 5B are conceptual views illustrating an example of a display image displayed according to an input signal.

Hereinafter, an HMD test apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. And in the description of the embodiments below, the name of each component may be called another name in the art. However, if they have functional similarity and identity, even if a modified embodiment is employed, it can be viewed as an equivalent configuration. In addition, the code added to each component is described for convenience of description. However, the content shown in the drawings in which these symbols are indicated does not limit each component to the scope within the drawings. Similarly, even if an embodiment in which the configuration in the drawings is partially modified is employed, if there is functional similarity and sameness, it can be regarded as an equivalent configuration. In addition, in view of the level of a general engineer in the art, if it is recognized as a component to be included of course, a description thereof will be omitted.

1 is a block diagram showing the configuration of an HMD 1100 testing apparatus 1 according to the present invention.

The HMD 1100 test apparatus 1 according to the present invention is configured to simulate the head movement of a fighter or aircraft pilot while the HMD 1100 is mounted, and the angle and posture of the HMD 1100 mounted thereon. It may be configured so that the operator can separately check the image information to be displayed accordingly.

As shown, the HMD 1100 test apparatus 1 according to the present invention includes an input unit 700 , an HMD mounting unit 500 , a mounting unit driving unit 600 , a control unit 800 , an interface unit 300 , and a video It may be configured to include a distributor 400 and a monitoring unit 200 .

The input unit 700 may be configured to generate an input for operating the HMD 1100 at a desired angle by a user. The input unit 700 is provided on one side of the HMD 1100 testing apparatus 1, and is configured to input the movement of at least two axes so as to generate a movement simulating the head movement of a pilot wearing the HMD 1100. can be For example, the input unit 700 may be configured as a joystick, and may be configured to be operated in vertical and horizontal directions. However, this is only an example, and the input unit 700 may be provided in a configuration capable of 6-axis movement capable of simulating a pilot's head movement.

The HMD mounting unit 500 may be configured so that the helmet 1000 equipped with the HMD 1100 to be tested can be mounted thereon. The HMD mounting unit 500 may be configured to be fixed when the mounting unit driving unit 600, which will be described later, operates in a state in which the helmet 1000 is mounted to simulate the angle and posture of the pilot's head.

The mounting unit driving unit 600 may be configured to change the angle and posture of the HMD mounting unit 500 . The mounting unit driving unit 600 is configured to receive a control input from the control unit 800 to be described later and operate it, and the driving freedom may be determined in response to the input freedom of the input unit 700 .

The control unit 800 is configured to drive the mounting unit driving unit 600 based on an input signal received from the input unit 700 . At this time, the control unit 800 may set a limit condition based on the range value of the average movement of the pilot, and even if the user manipulates the input unit 700 , when the limit condition is exceeded, the mounting unit driving unit 600 is installed to prevent further movement. can be controlled

The interface unit 300 is configured to receive an image signal generated from an external simulator. The interface unit 300 may perform data conversion between different protocols so as to communicate with the simulator and other image display devices and mission computers. As an example, the interface unit 300 may be configured to receive an image signal to be displayed on the HMD 1100 and transmit it to the display unit 1300 and the monitoring unit 200 and the mission computer provided in the HMD 1100. .

The video distributor 400 is configured to distribute the video signal to the monitoring unit 200 and the mission computer.

The monitoring unit 200 is configured to display the received image signal, and the image to be displayed on the HMD 1100 is synchronized according to the angle of the HMD 1100 so that it can be displayed on the monitoring unit 200 at the same time. can be

Hereinafter, a detailed configuration of the HMD 1100 test apparatus 1 according to the present invention will be described in detail with reference to FIG. 2 .

2 is a perspective view of the HMD 1100 testing apparatus 1 according to the present invention, and FIG. 3 is an enlarged view showing the configuration of the HMD mounting unit 500 .

Referring to FIG. 2 , the HMD 1100 testing apparatus 1 according to the present invention can simultaneously check the motion of the helmet 1000 and the image displayed on the HMD 1100 when the user operates the input unit 700 . can be configured to

The HMD 1100 testing apparatus 1 may include a body part 100 , and a monitoring part 200 and an input part 700 may be provided on one front side of the body part 100 . In addition, the HMD mounting unit 500 and the mounting unit driving unit 600 may be provided on the upper rear side. Meanwhile, the control unit 800 , the video distributor 400 , and the interface unit 300 may be provided inside the body unit 100 .

The HMD holder 500 may be configured so that the helmet 1000 having the HMD 1100 mounted on the upper side of the plate-shaped plate can be seated. A fixing part 510 may be provided on the upper side of the HMD holder 500 by a predetermined distance. The fixing unit 510 may provide a fixing force so that the seated helmet 1000 may be selectively fixed on the HMD holder 500 . The fixing unit 510 may be configured to be fixed by pressing the helmet 1000 from both sides when the helmet 1000 is seated on the HMD holder 500 , for example.

The input unit 700 is provided adjacent to the monitoring unit 200 and may include a necessary input button and a joystick. The joystick is configured to imitate the pilot's head movement, and as an example, it is configured to perform manipulation input corresponding to the PITCH movement and the yaw movement, which are head bowing and left and right rotational motions. can be As an example, the joystick may be configured to be operable in up/down/left/right directions.

The mounting part driving unit 600 may be configured such that one side is connected to the rear upper side of the body unit 100 . The HMD mounting unit 500 may be provided above the mounting unit driving unit 600 . The mounting unit driving unit 600 may be configured to enable biaxial movement in response to, for example, when the input unit 700 is configured to be capable of biaxial movement. In this case, the mounting part driving unit 600 may be configured in a configuration capable of two-axis rotation so that a pitch movement and a yaw movement, which are representative movements of the pilot's head, occur.

Referring to FIG. 3 , the mounting unit driving unit 600 may include a yaw driving unit 610 and a pitch driving unit 620 . One side of the yaw driving unit 610 may be configured to be rotatable based on an upper side of the body unit 100 and a vertical axis of rotation. The pitch driving unit 620 is provided on the upper side of the yaw driving unit 610 , and may be connected to enable a PITCH operation based on a point on the upper side of the yaw driving unit 610 . An HMD mounting unit 500 may be provided above the pitch driving unit 620 . The pitch driving unit 620 may be formed to extend to a length corresponding to the length of the pilot's neck so as to improve accuracy in simulating the pilot's head movement. That is, the pitch driving unit 620 simulates the path moved by the neck joint when the pilot performs a bending motion in consideration of the connection part with the yaw driving unit 610 and the position of the helmet 1000 mounted on the HMD mounting unit 500 . It can be of any length that can be done. As an example, the pitch driving unit 620 may be configured to extend to a length of 10 to 20CM.

Hereinafter, the operation of the HMD 1100 test apparatus 1 according to the present invention will be described in detail with reference to FIGS. 4, 5A and 5B .

4 is an operation state diagram illustrating the operation of the mounting unit driving unit 600 according to the manipulation of the input unit 700 . Referring to FIG. 4 , the user may intuitively manipulate the joystick to reproduce the actual pilot's head movement.

Referring to FIG. 4A , the user may simulate the case in which the pilot turns his head to the left during the yaw operation by manipulating the input unit 700 , that is, the input unit 700 including the joystick to the left. At this time, when the user manipulates the input unit 700 , the control unit 800 generates a control input and drives the yaw driving unit 610 to rotate.

Meanwhile, referring to FIG. 4( b ), the angle of the pitch driving unit 620 is adjusted by operating the joystick forward so that the user can simulate the motion of bowing the head during the pitch operation of the pilot.

5A and 5B are conceptual views illustrating an example of a display image displayed according to an input signal.

5A and 5B , when the user manipulates the joystick to the left, the movement of adjusting the angle of the head so that the actual pilot can look to the left when wearing the helmet 1000 is simulated, at this time the HMD 1100 ), image processing is performed in the simulator based on a sensor signal received from a sensor unit, for example, a gyro sensor, an acceleration sensor, and the like. At this time, the generated image signal arrives at the monitoring unit 200 through the interface unit 300 and the video distributor 400 , and the monitoring unit 200 can check the image displayed according to the changed angle of the helmet 1000 . do.

5A, a symbol 2000 displayed on the display unit is displayed in synchronization with the monitor on the assumption that the pilot looks at an external fixed target. At this time, when the user rotates the helmet 1000 to the left by manipulating the joystick, the position of the image to be displayed on the display unit 1300 of the HMD 1100 is adjusted. That is, when the user turns his head to the left, the angle is changed relative to the pilot's gaze direction, so that the symbol 2000 displayed on the monitoring unit 200 moves to the right.

Referring to FIG. 5B , when the user manipulates the joystick downward to simulate the motion of the pilot raising his head, the pitch driving unit 620 operates to change the angle of the mounted helmet 1000 . At this time, as described with reference to FIG. 5( a ), the sensor signal measured by the sensor unit 1200 provided in the HMD 1100 is transmitted to the simulator, and the signal generated by the simulator is transmitted to the interface unit 300 and the video splitter ( 400) through the monitoring unit 200 . After all, when the actual pilot looks at an object fixed outside the cockpit, the symbol 2000 indicating this is displayed by adjusting the position in the downward direction on the monitoring unit 200 when the pilot raises his/her head.

As described above, the HMD testing apparatus according to the present invention is configured to support operation and testing of a helmet equipped with an HMD. The HMD test apparatus according to the present invention adjusts the angle of the helmet equipped with the mounted HMD according to the user's intuitive manipulation input, and can check the image to be displayed according to the angle adjustment in real time, so that the test can be performed without the wearer, It has the effect of improving the test accuracy.

1: HMD test device 100: body part
200: monitoring unit
300: interface unit
400: video splitter
500: HMD mounting portion 510: fixed portion
600: mounted driving unit
610: yaw driving unit 620: pitch driving unit
700: input unit 800: control unit
1000: helmet 1100: HMD
1200: sensor unit 1300: display unit
2000: symbol

Claims (6)

body part;
a joystick provided in front of the body portion and configured to generate an input signal simulating the two-axis movement of the pilot's head in the aircraft by the user's manipulation;
a yaw driving part provided on the upper side of the body part and configured to be able to adjust a yaw angle relative to the body part;
a pitch driving unit configured to be capable of adjusting a pitch angle relative to the yaw driving unit from an upper side of the yaw driving unit, and extending to a predetermined length corresponding to the length of the pilot's neck;
an HMD holder provided on the upper side of the pitch driving unit, configured to adjust the posture according to angle adjustment of the yaw driving unit and the pitch driving unit, and configured to mount an aircraft pilot helmet;
a monitoring unit provided toward the front of the body unit and configured to receive and display image information; and
and a video distributor for receiving image information from an external interface unit that generates image information to be displayed on the HMD according to a sensor signal received from a sensor provided in the HMD and distributing the image information to the HMD and the monitoring unit.
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