KR20170143450A - Aquarium with fish robot and display - Google Patents

Abstract

The present invention relates to a display aquarium using a fish robot and a display. According to the present invention, a display is installed at the rear of an aquarium and a fish robot is input in water in a water tank. An image outputted on the display and the fish robot are linked so the image is outputted or movements can be controlled so colorful visual production is possible and curiosity of an audience can be increased.

Description

Aquarium with fish robot and display [0002]

More particularly, the present invention relates to an aquarium for display, and more particularly, a display is provided on the rear surface of a water tank, a fish robot is inserted into water contained in the water tank, Control, so that a brilliant visual presentation can be made.

Where large numbers of people, such as high-end restaurants, department stores, and airports, are gathering, large aquariums are used for interior purposes. A traditional aquarium is to feed live fish such as goldfish or tropical fish into aquarium. Because of this living fish, it is necessary to feed fish regularly and it is troublesome to clean the aquarium which is a fish life site frequently.

For this purpose, techniques using robotic fish have been developed in place of living fish such as the Korean Utility Model No. 20-0429803 (referred to as "ornamental robotic fish", hereinafter referred to as "conventional technology"). In other words, the buoyancy can be adjusted to float in the water, and the motor can be controlled to adjust the direction of swimming, so that the robot fish in the aquarium can have the same movement as the real fish.

However, the conventional robot fish may cause curiosity to the viewer who has never seen it, but he / she is staying only in a swimming motion in the water, and there is a problem that the robot becomes bored again over time.

SUMMARY OF THE INVENTION The present invention has been conceived in order to solve the problems of the conventional art as described above, and it is an object of the present invention to provide a fish- The present invention has been made in view of the above problems, and it is an object of the present invention to provide a technology that enables a spectacular visual production to increase the curiosity of a viewer by making a video output or motion control interlocked.

According to an aspect of the present invention, there is provided a display aquarium comprising: a water tank filled with water; A display installed on a rear surface of the water tank; A fish robot that swims in the water filled in the water tank; And a controller for controlling an image output from the display and an operation of the fish robot.

Here, the controller may control the operation of the fish robot in synchronization with the image output from the display.

Further, the fish robot may include a sensor unit for sensing a motion state of the fish robot, and the controller may include: an image analyzer for analyzing motion of an image output through the display; A robot motion analyzer for analyzing the movement of the fish robot through information sensed by a sensor unit of the fish robot; A video controller for controlling the video output outputted through the display according to a result analyzed through the video analyzer and the robot motion analyzer; And a robot controller for controlling the operation of the fish robot according to a result analyzed through the image analyzer and the robot motion analyzer.

And a photographing unit installed on a front surface of the water tank and photographing the fish robot and the display, wherein the controller is configured to display the fish robot captured by the photographing unit and a video image Analysis section; A video controller for controlling video output through the display according to an analysis result of the video analysis unit; And a robot controller for controlling the operation of the fish robot according to an analysis result of the image analysis unit.

The fish robot further includes a visitor movement detecting unit installed on a front surface of the water tank to detect movement of a visitor, and the fish robot includes a sensor unit for detecting a movement state of the fish robot, A visitor movement analyzing unit for analyzing a movement of a visitor sensed by the visitor movement recognizing unit; A robot motion analyzer for analyzing the movement of the fish robot through information sensed by a sensor unit of the fish robot; And a robot controller for controlling an operation of the fish robot according to a result analyzed through the visitor motion analyzer and the robot motion analyzer.

In the exhibition aquarium according to the present invention, the fish robot swims in the water tank, and images are outputted through the display on the back of the water tank, so that various movements can be performed, thereby attracting people's attention.

That is, when the image of the water tank is photographed through the display, the actual water tank space and the water tank space displayed on the display can be added to the water tank, If you do not put a lot of expensive fish robots, it will have the effect that many fish robots are contained in a tank.

Also, since the image outputted from the display is seen to be refracted in the water contained in the water tank, the three-dimensional feeling can be given by the curved screen.

In addition, if you display the images taken at the fish viewpoint on the display, there is an experience effect that visitors can swim around in the water and look around.

In addition, real-time analysis of the movement of fish robots, real-time analysis of images displayed on the display, and real fish robots and fish in the screen to work in conjunction with each other can work to produce a brilliant visual effect.

In addition, by controlling the movement of fish robots based on the behaviors of viewers or by controlling the image output from the display, the aquarium can be utilized as an exhibit for participating visitors, not just for interior use.

In addition, an advertisement image can be displayed on the display or fish robot side, and an aquarium can be used for promoting.

1 is a perspective view for explaining a display aquarium according to an embodiment of the present invention;
Fig. 2 is a block diagram for explaining the detailed configuration of the exhibition aquarium shown in Fig. 1. Fig.
FIG. 3 is a front view of the water tank in the exhibition aquarium shown in FIG. 1. FIG.
FIG. 4 is a view for explaining an interlocking control method between a fish robot and image contents in the exhibition aquarium shown in FIG. 1. FIG.
FIG. 5 is a view for explaining a method in which a fish robot responds to a visitor's movement in the exhibition aquarium shown in FIG. 1; FIG.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. However, some configurations which are not related to the gist of the present invention may be omitted or compressed, but the configurations omitted are not necessarily those not necessary in the present invention, and they may be combined by a person having ordinary skill in the art to which the present invention belongs. .

FIG. 1 is a perspective view for explaining a display aquarium according to an embodiment of the present invention, and FIG. 2 is a block diagram for explaining a detailed configuration of the exhibition aquarium shown in FIG. 1 and 2, a display aquarium according to an embodiment of the present invention mainly includes a water tank 10, a display 11, a fish robot 20, and a controller 30.

The water tank 10 is for storing water, and the front and side surfaces are made of a transparent material for viewing. Although the present embodiment shows a water tub 10 in the form of a rectangular parallelepiped, the present invention is not limited to the form of the water tub 10.

The viewer 10 may be provided with an illuminating unit 12 for illuminating various colors of light and includes a visitor movement recognizing unit 13 for detecting the movement of a visitor and a fish robot 20 And a photographing unit 14 for photographing the display 11 can be installed. The description will be made below.

The display 11 is installed on the rear surface of the water tub 10 so that the user can enjoy the screen displayed on the display 11 through the water filled in the water tub 10 when viewed from the front of the water tub 10.

The front and side surfaces of the water tank 10 are made of a transparent material and the rear surface on which the display 11 is installed can also be made of a transparent material. However, when the display 11 is installed in close contact with the rear surface of the transparent water tank 10, the bezel around the display 11 may be exposed together to deteriorate the appearance.

For this, only the portion of the rear surface of the water tank 10 where the output screen of the display 11 is exposed is made of a transparent material so that the bezel of the display 11 is covered by the mirror And the image outputted from the display 11 may be exposed to the front of the water tub 10 through the transparent part.

In this embodiment, the output screen of the display 11 is exposed only to the central portion of the rear surface of the water tank 10. However, the output screen of the display 11 may be designed to be filled in the rear surface of the water tank 10 have.

In addition, the inside of the water tank (10) filled with water may be filled with more ornaments like other aquariums. For example, an artificial herb or a bubble generator may be additionally installed.

A fish robot (20) is an artificial fish swimming in the water filled in the water tank (10) in place of living fish. The fish robot 20 includes a buoyancy adjusting means (not shown), a driving motor (not shown), etc., and can swim the fins or the pupils according to a pre-programmed or remote control signal . The manner in which the fish robot (20) swims in water can be applied in a variety of well-known ways, so a detailed description is omitted.

However, since the fish robot 20 according to the present invention can be controlled in association with an image output from the display 11, only necessary configurations are described. The fish robot 20 includes a camera 21, a sensor unit 22, a control unit 26, and a communication processing unit 27.

The camera 21 is installed on the front surface of the fish robot 20 and captures the front of the fish robot 20. That is, the camera 21 is provided for capturing a scene entering the field of view of the fish robot 20.

The sensor unit 22 is provided for sensing the movement state of the fish robot 20. [ In other words, the sensor unit 22 is provided to understand the position of the fish robot 20 in the current aquarium and how the fish robot 20 is inclined toward any direction. The sensor unit 22 includes a gyro sensor 23 for sensing the tilted state of the fish robot 20, an azimuth sensor 24 for sensing the direction in which the fish robot 20 is headed forward, And a position sensor 25 for confirming the position of the sensor 20.

The position detection method using the position sensor 25 may be various. A plurality of recognizers (not shown) are installed in the aquarium to detect the position sensor 25 of the fish robot 20 in the three-dimensional space in the water tank 10, ) May be measured.

Alternatively, an ultrasonic sensor (not shown) may be attached to the fish robot 20 at three points in the aquarium, and the position of the fish robot 20 may be determined by triangulation . Dimensional position of the fish robot 20 can be obtained by installing a position monitoring camera on the front and side of the water tub 10 and analyzing the image captured by the multiple position monitoring camera with the controller 30. [

That is, the fish robot 20 has the position sensor 25 for convenience of explanation. However, it is emphasized that it is also possible to grasp the position using another device outside the fish robot 20.

The control unit 26 is provided for controlling the movement of the fish robot 20. [ The control unit 26 may control the movement of the fish robot 20 according to a previously installed program or may control the movement according to a control signal transmitted from a remote location.

The communication processing unit 27 is provided for processing data transmission / reception between the fish robot 20 and the controller 30. [ For example, the communication processing unit 27 may transmit the signals sensed by the sensor unit 22 to the controller 30 or may receive the control signal transmitted from the controller 30 and transmit the signals to the control unit 26. [

On the other hand, a separate output unit (not shown) is mounted on the side of the fish robot 20 to display a specific advertisement image or the like on the screen under the control of the control unit 26. In addition, the fish robot 20 may be equipped with an LED lamp (not shown) that emits light of various colors, and may emit colorful light according to the control signal of the controller 26.

The controller 30 is provided for controlling the operation of the fish robot 20 and the image output from the display 11. The controller 30 may be integrally mounted on the display 11 or the fish robot 20 or separately provided outside the water tub 10. [ The controller 30 includes an image analysis unit 33, a robot motion analysis unit 34, a visitor motion analysis unit 35, a video controller 31, a robot controller 32 and a database 36.

The image analysis unit 33 is provided for analyzing an image output through the display 11. [ For example, the image analyzer 33 can separate each object from the image currently being output on the display 11 and analyze the motion of each object. The image analyzing unit 33 simultaneously captures and transmits the fish robot 20 and the display 11 in the photographing unit 14. The image analyzing unit 33 analyzes the image data of the fish robot 20 and the image You can isolate objects and perform comprehensive motion analysis.

The robot motion analyzer 34 is provided for analyzing the movement of the fish robot 20 by receiving information sensed by the sensor unit 22 of the fish robot 20. [ The robot motion analyzer 34 comprehensively calculates the information detected by the gyro sensor 23, the information sensed by the azimuth sensor 24 and the information sensed by the position sensor 25 so that the fish robot 20 It is judged in real time at a certain position in the water tank 10 at which the main body is oriented in any direction and at what tilt.

The visitor's motion analysis unit 35 is provided for receiving motion information sensed by the viewer's motion recognition unit 13 and analyzing the motion of the viewer. Here, the operation recognition method of the visitor movement recognition unit 13 installed in the water tank 10 and the analysis method of the visitor movement analysis unit 35 according to the operation recognition method may be various.

For example, the visitor movement recognizing unit 13 may be a transparent touch panel installed over the entire front surface of the water tub 10. [ That is, when a viewer touches a specific position on the front surface of the water tank 10, information touched on the transparent touch panel is transmitted to the controller 30, and the viewer information analyzing unit 35 of the controller 30 analyzes the touch information The robot controller 32 can transmit a specific control signal to the fish robot 20 after analyzing the operation of the visitor.

In addition, the visitor movement recognizing unit 13 may be a kinect sensor or a lip motion sensor for recognizing a gesture of a visitor, and the visitor recognizing unit 13 may transmit information recognizing the gesture of the visitor to the controller 30 The viewer's motion analyzing unit 35 analyzes the motion of the viewer and then controls the output of the image outputted from the display 11 at the image controller 31 or the image output from the robot controller 32 to the fish robot 20 A specific control signal can be sent.

The database 36 is provided for storing image information to be outputted through the display 11, that is, various contents or control signals for controlling the fish robot 20 or the illumination unit 12. [

Hereinafter, the operation of the exhibition aquarium shown in Figs. 1 and 2 will be described with reference to Figs. 3 to 5. Fig.

Fig. 3 is a front view of the water tank 10 in the exhibition aquarium shown in Fig. 1. Fig. 3, one fish robot 20 is swimming in the water tank 10, and four fish robots 41 are swim in the display 11 on the rear side of the water tank 10, You can see what you are hitting. That is, the image output from the display 11 is an image of four fish robots 41 photographed in a water tank 10 having an obstacle 42, such as a spinning wheel, in advance, The image controller 31 outputs the image stored in the database 36 and is output to the display 11. [

Therefore, if one fish robot 20 is swimming in the water tank 10 as shown in FIG. 3 and an image of four fish robots 41 are swiming on the display 11, It looks like five fish robots (20,41) are swimming in the aquarium (10).

Fish robots (20) vary depending on the type of fish, but the price is from millions of dollars to tens of millions of won. Therefore, it is costly to place many fish robots 20 in the water tank 10. The actual fish robots 20 are placed in the water tank 10, If a plurality of fish robots 41 are outputted from the display 11, it is possible to obtain an exhibition effect such that several fish robots 20 swim while lowering the operating cost.

When the display 11 disposed on the rear surface of the water tub 10 is viewed from the front of the water tub 10, the light is refracted by the water contained in the water tub 10, and the display 11 appears to be curved. That is, a three-dimensional feeling can be imparted to the flat water tank 10.

When the image of the water tank 10 taken in advance is outputted through the display 11, the space of the actual water tank 10 and the space of the water tank 10 outputted from the display 11 are added, . Therefore, it is possible to obtain the same effect as operating a large aquarium in a narrow place.

In the meantime, in the present invention, the images outputted from the display 11 and the fish robots 20 swimming in the water tank 10 can be synchronously controlled in synchronization with each other. That is, the image controller 31 processes the image information stored in the database 36 to be output from the display 11, and the fish robot 20 control signal corresponding to the image information stored in the database 36 is stored in a matching manner . Therefore, when the video controller 31 reproduces the video image, the robot controller 32 transmits the control signal stored in the video information matching the video information to the fish robot 20 in real time. The control unit 26 of the fish robot 20, The control of the motion of the fish robot 20 using the control signal received through the communication processing unit 27 enables synchronous control of the image and the fish robot 20. [

An example of a method in which an image and a fish robot 20 are synchronously controlled in synchronization can be an anti-collision movement. That is, when the fish robot 20 in the water tank 10 swims, the fish robot 41 on the screen or the obstacle 42 on the screen may overlap on the copper line. In this case, The control signal is stored in advance so as to avoid the obstacle 41 or the obstacle 42.

In another example, the fish robot 41 on the screen and the actual fish robot 20 may form a V-shaped warp. That is, the situation in which the four fish robots 41 in the screen advance in the state of the sides of the V formation is a previously photographed image. When this image is reproduced, the actual fish robot 20 moves from the vertex position of the V formation The robot controller 32 outputs the control signal so that the robot can advance while reading the crowd.

When the image outputted from the display 11 and the actual fish robot 20 are synchronously controlled in synchronization with each other, a curious motion of the viewer can be produced by producing an interesting movement. In addition, the image controller 31 may control the illumination unit 12 together with the image output from the display 11 to display a colorful illumination in the water tub 10. [

3, the image controller 31 may output an advertisement image related to a place where the aquarium is installed, in addition to the image of the fish robot 41 photographed in advance. Such an advertisement image is stored in advance in the database 36. [

FIG. 4 is a view for explaining an interlocking control method of the fish robot 20 and image contents in the exhibition aquarium shown in FIG. 3, a control signal for controlling the fish robot 20 in accordance with the image output from the display 11 is constructed in advance and stored in the database 36, and then the control signal is transmitted in real time It is possible to control the operation such as avoiding the obstacle 42 by being transmitted to the fish robot 20. However, the motion of the image and the fish robot 20 can be analyzed in real time and interlocked control can be performed without using the previously stored control signal.

That is, the sensor unit 22 of the fish robot 20 measures the movement state information of the fish robot 20 in real time and transmits the measured information to the controller 30 through the communication processing unit 27. The robot motion analyzer 34 of the controller 30 analyzes the motion state information received from the fish robot 20 and grasps the real-time position and direction of the fish robot 20.

At the same time, the image analyzing unit 33 of the controller 30 analyzes the position information and the like by separating each object from the image currently being output through the display 11. [ For example, the image analysis unit 33 performs real-time tracking of the position on the display 11 after object separation of the obstacles 42 and the fish robots 41 in the screen. Of course, the obstacle 42 may have a fixed value because there is no positional motion.

If it is analyzed that the obstacle 42 such as a wheelbarrow is overlapped on the course of the fish robot 20 as shown in FIG. 4A as a result of the analysis by the image analyzing unit 33 and the robot motion analyzing unit 34 The robot controller 32 of the controller 30 transmits a control signal to the fish robot 20 so that the fish robot 20 can avoid the obstacle 42 and swim as shown in FIG.

As a result of analyzing the motions of the fish robots 41 in the screen by the image analyzer 33 and analyzing the motions of the fish robots 20 in the water tank 10 by the robot motion analyzer 34, The robot controller 32 outputs the avoidance control signal to the real fish robot 20 and the image controller 31 transmits the avoidance control signal to the fish fish in the screen 20 if the collision between the specific fish and the real fish robot 20 is predicted. The movement of the robot 41 is controlled so that the physical fish robot 20 and the in-screen fish robot 41 can move away from each other.

In this case, the image outputted from the display 11 should not be an image which is photographed and reproduced in a simple manner, but should be a type of image in which the image controller 31 can individually control each object. In other words, the image controller 31 is equipped with a graphic processing function for controlling the motions of various objects and synthesizing them together on one background screen to be output.

Meanwhile, the motion of the fish robot 20 and the image output from the display 11 may be captured and analyzed at the viewers' time, and then the image and the fish robot 20 may be interlocked. That is, the photographing section 14 provided on the front face of the water tank 10 simultaneously photographs the fish robot 20 that swims in the water in the water bath 10 and the screen image outputted from the display 11. That is, the photographing unit 14 photographs the fish robot 20 and the display 11 at the viewpoint of the spectator, and the photographed image information is transmitted to the controller 30 in real time.

The image analysis unit 33 of the controller 30 controls the fish robot 20 and the fish robot 41 or the obstacles 42 in the screen outputted from the display 11 from the image photographed by the photographing unit 14, And perform location analysis separately. The image controller 31 controls the image output from the display 11 according to the analysis result of the image analyzer 33 and the robot controller 32 controls the movement of the fish robot 20. [ For example, if the analysis result of the image analysis unit 33 confirms that the obstacle 42 exists in front of the fish robot 20 as shown in FIG. 4A, the robot controller 32 controls the fish robot 20 The fish robot 20 can avoid the obstacle 42 and swim as shown in FIG. 4 (b). Or the image analysis unit 33 analyzes the risk of collision between the actual fish robot 20 and the on-screen fish robot 41, the image controller 31 controls the movement of the fish robot 41 in the screen, The robot controller 32 can control the movement of the actual fish robot 20 so that the two fish robots 20 and 41 can swim away from each other.

Of course, since the obstacle 42 or the fish robot 41 in the screen is only a part of the image output from the display 11, the fish robot 20 swimming in the water tank 10 collides with the contents in the screen There is really no risk to do. However, if the movement in the video and the movement of the real fish robot 20 are interlocked and controlled, it is possible to maximize the curiosity of the viewer by making a fantastic and colorful action presentation.

FIG. 5 is a view for explaining the manner in which the fish robot 20 responds to a visitor's movement in the exhibition aquarium shown in FIG. That is, on the front surface of the water tank 10, a visitor movement recognition unit 13 is installed in the form of a transparent touch panel. The sensor unit 22 of the fish robot 20 measures and transmits real-time motion information of the fish robot 20 to the controller 30 so that the robot motion analyzer 34 can grasp the movement of the fish robot 20 .

When the fish robot 20 is swimming in the water contained in the water tank 10 as shown in FIG. 5 (a), if a visitor touches a specific position on the front surface of the water tank 10 as shown in FIG. 5 (b) The touch information recognized by the visitor movement recognition unit 13 is transmitted to the controller 30, and the visitor movement analysis unit 35 grasps the touch position through the touch information. At the same time, the robot motion analyzer 34 grasps the real-time position of the fish robot 20. If it is confirmed that the position touched by the visitor is the current position of the fish robot 20 or a position adjacent thereto, Sends a control signal to the fish robot 20 so as to quickly run away. In other words, the fish robot 20 runs in response to the touch of the viewer, so that the effect of the fish in the aquarium can be obtained.

The robot controller 32 determines whether the current position of the fish robot 20 and the current position of the fish robot 20 are the same or not based on the analysis results of the visitor's movement analyzer 35 and the analysis results of the robot's movement analyzer 34, If it is confirmed that the fish robot 20 is far away from the fish robot 20, a control signal is sent to the fish robot 20 so that the fish robot 20 can swim to the position touched by the viewer.

Thus, if the fish robot 20 moves in response to the act of the viewer, it can cause the illusion that the fish actually moves, so that the attention of the viewer can be noticed.

On the other hand, the image outputted from the display 11 can also be controlled to respond to the behavior of the viewer. For example, the image controller 31 can control the fish robots 41 in the screen, which are gathered in the area where the visitor touches, to spread out radially and escape according to the analysis result of the viewer action analyzer 35.

In addition to the transparent touch panel type, the visitor movement recognition unit 13 may be implemented with a kinect sensor or a lip motion sensor for recognizing the gesture of a visitor. And the image output of the fish robot 20 and the display 11 may be controlled. For example, if the visitor motion analysis unit 35 analyzes that an observer stirs his / her arm from left to right in front of the water tank 10, the robot controller 32 moves the fish robot 20 from left to right in accordance with the arm movement of the viewer And the video controller 31 controls the video output so as to make a wave from left to right on the screen output from the display 11. [

As described in detail above, in the display aquarium according to the present invention, the fish robot 20 swims in the water tub 10, and an image is output through the display 11 on the rear surface of the water tub 10, , Thereby attracting people's attention.

That is, when an image photographed beforehand in the water tank 10 is outputted through the display 11, the actual space of the water tank 10 and the space of the water tank 10 outputted to the display 11 are added, A plurality of fish robots 20 and 41 can be placed in the water tank 10 even if a plurality of expensive fish robots 20 are not arranged, It has the effect of being contained in.

Further, since the image outputted from the display 11 is seen to be refracted in the water contained in the water tank 10, a three-dimensional feeling can be given by the curved screen.

In addition, if the image taken at the fish view point is displayed on the display (11), there is an experience effect that the viewer swims directly in the water and looks around.

It is also possible to analyze the motion of the fish robot 20 in real time and to analyze the image outputted from the display 11 in real time so that the actual fish robot 20 and the fish 41 in the screen and the obstacle 42 interlock with each other So that a brilliant visual effect can be produced.

In addition, by controlling the movement of the fish robot 20 based on the operation of the viewer or controlling the output of the image output from the display 11, the aquarium can be utilized as a visitor participation type exhibition, not merely for interior use.

In addition, an advertisement image may be output from the display 11 or the fish robot 20, and an aquarium may be used for publicity.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And additions should be considered as falling within the scope of the claims of the present invention.

10: Water tank
11: Display
12:
13: a visitor motion recognition unit
14:
20: Fish robots
21: Camera
22:
23: Gyro sensor
24: azimuth sensor
25: Position sensor
26:
27:
30: Controller
31: Video controller
32: Robot controller
33: Image analysis section
34: Robot motion analyzer
35: spectator motion analysis unit
36: Database
41: Fish Robot in the Screen
42: Obstacle

Claims (5)

A water tank filled with water;
A display installed on a rear surface of the water tank;
A fish robot that swims in the water filled in the water tank; And
And a controller for controlling an image output from the display and an operation of the fish robot.
The method according to claim 1,
Wherein the controller controls the operation of the fish robot in synchronization with the image output from the display.
The method according to claim 1,
In the fish robot,
And a sensor unit for sensing a movement state of the fish robot,
The controller comprising:
An image analyzer for analyzing the motion of each of the images output through the display;
A robot motion analyzer for analyzing the movement of the fish robot through information sensed by a sensor unit of the fish robot;
A video controller for controlling the video output outputted through the display according to a result analyzed through the video analyzer and the robot motion analyzer; And
And a robot controller for controlling the operation of the fish robot according to a result analyzed through the image analysis unit and the robot motion analysis unit.
The method according to claim 1,
And a photographing unit installed on a front surface of the water tank for photographing the fish robot and the display,
The controller comprising:
An image analyzer for analyzing the fish robot captured by the photographing unit and the image output from the display;
A video controller for controlling video output through the display according to an analysis result of the video analysis unit; And
And a robot controller for controlling the operation of the fish robot according to an analysis result of the image analysis unit.
The method according to claim 1,
And a visitor movement recognizing unit installed on a front surface of the water tank to detect a movement of a visitor,
In the fish robot,
And a sensor unit for sensing a movement state of the fish robot,
The controller comprising:
A visitor movement analyzing unit for analyzing a movement of a visitor sensed by the visitor movement recognizing unit;
A robot motion analyzer for analyzing the movement of the fish robot through information sensed by a sensor unit of the fish robot; And
And a robot controller for controlling an operation of the fish robot according to a result of analysis by the visitor motion analyzer and the robot motion analyzer.

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