KR20050088619A - System for intelligent elevator and control method thereof - Google Patents

Abstract

The present invention relates to an intelligent elevator system and a control method thereof.

The intelligent elevator system according to the present invention determines whether the input signal is a signal for requesting an elevator outside the elevator. At this time, when the input signal is an elevator request signal input from outside the elevator, current floor information and destination information are extracted from the elevator request signal. And based on the extracted information, a plurality of elevator-related information, and a specific criterion is assigned an elevator to run.

In this way, elevator running efficiency can be increased.

Description

Intelligent elevator system and its control method {SYSTEM FOR INTELLIGENT ELEVATOR AND CONTROL METHOD THEREOF}

The present invention relates to an intelligent elevator system and a control method thereof capable of efficiently operating an elevator by setting the elevator operation according to an assignment order determined by specific criteria.

When the elevator is operated outside or inside the elevator, the primary operation is performed according to the operation.

1 is a block diagram of a conventional elevator system.

Referring to FIG. 1, the elevator system includes an inner button operating unit 10, an outer button operating unit 20, a control unit 30, and an elevator driving unit 40.

The internal button operation unit 10 includes a button provided inside the elevator for selecting a desired floor and a button for turning on / off the elevator door. The external button operation unit 20 includes a button for selecting the rising and falling of the elevator. And the control unit 30 outputs the elevator drive control signal for controlling the drive of the elevator in accordance with the signals output from the internal / external button control unit 10, 20, respectively, the elevator drive unit 40 is the elevator output from the control unit 30 Drive the elevator according to the drive control signal.

In the conventional elevator system, the user selects the direction of the desired floor from the outside of the elevator through the external button operation unit 20. Then, the external button operation unit 20 transmits this signal to the control unit 30, and the control unit 30 receives the signal from the external button operation unit 20 and transmits the elevator drive signal to the elevator drive unit 40.

Such an elevator system is not a problem in a place where one elevator is operating, but does not assign an efficient elevator to a user in a place where a plurality of elevators are operated.

When the control unit 30 transmits the elevator drive signal, the elevator drive signal is transmitted to the elevator drive unit 40 closest to the nearest floor from the current floor at which the user pressed the external button, but the elevator does not operate because the vehicle is not recognized correctly. Frequently, elevators on distant floors are driven. As a result, there is a problem that a significant loss occurs in terms of time and energy.

The technical problem to be achieved by the present invention to solve the above problems is to provide an intelligent elevator system and a control method thereof that can efficiently operate the elevator.

In order to solve this problem, the present invention provides an intelligent elevator system for intelligently controlling a plurality of elevators.

The intelligent elevator system according to one aspect of the present invention is an internal button input unit which guides the entire floor and a user can enter a desired floor and an opening button for opening and closing the user can open and close the elevator door. ; An external button input unit for guiding the entire floor and inputting a user's desired floor, the guide button being installed outside the elevator to input a floor to which the user wants to move from the outside; Controls the operation of the plurality of elevators and analyzes the information input from the user in real time to allocate an elevator to operate based on a preset order set by a specific criterion, elevator drive control signal for the assigned elevator and elevator related information to the user Intelligent central control unit for generating and transmitting a control signal for providing a; An elevator driver which receives the elevator drive control signal and drives the elevator; And a display unit installed outside the elevator to receive a control signal according to the elevator related information and display the corresponding information on the screen.

At this time, the external button input unit allows a duplicate input by differentiating users on the same floor to be moved by a plurality of users at the same location outside the elevator, and the intelligent central control unit counts the duplicate input and assigns the elevator assignment. Weights can be applied.

The specific criterion may allow the elevator to be assigned first in proportion to the count, to assign the elevator first according to the distance from the floor where the elevator user is located, and to the same destination group of a plurality of users outside the elevator. You can have an elevator assigned.

The intelligent central control unit may include: a signal determination unit which determines an input signal; A driving standard register for registering an elevator assignment ranking based on a specific criterion; A signal analysis unit for analyzing the determined signal and extracting count information and information for elevator operation according to a redundant input through an external button input unit; An elevator assignment unit for allocating an elevator to operate based on the information extracted from the signal analysis unit and the registered assignment order; A control unit for generating and transmitting a driving control signal for driving the assigned elevator and a control signal for providing elevator related information to a user; And an information storage unit for storing the information according to the elevator operation.

The intelligent central control unit may further include: a reservation reception unit which receives the reservation and transmits information according to the reservation to the elevator rearrangement when the user reserves the elevator request time; And when the user has reserved an elevator request time, a notification unit notifying whether the elevator arrives at the corresponding time.

In the present invention, an intelligent elevator control method for intelligently controlling a plurality of elevators is provided.

Intelligent elevator control method according to another aspect of the present invention comprises the steps of: a) determining whether the input signal is a signal for requesting the elevator from the outside of the elevator; b) when the result of step a) determines that the elevator request signal, where the elevator request signal includes current floor information and destination information, extracts the current floor information and destination information from the elevator request signal input from the outside of the elevator; step; And c) assigning an elevator to operate based on the extracted information and the plurality of elevator related information. In this case, after step c), the method may further include providing elevator related information to the user based on the elevator assignment result and the plurality of elevator operation information.

And d) if the signal input in step a) is determined as an elevator reservation signal, wherein the elevator reservation signal includes pre-movement floor information, destination information and reservation time information; Extracting destination information and reservation time information; e) assigning an elevator preferentially based on the information extracted in step d); And f) when the reservation time comes, informing the user of the arrival of the elevator.

In the present invention, a recording medium having a program recorded thereon which has a function of intelligently controlling a plurality of elevators is provided.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention. Like reference numerals designate like parts throughout the specification.

First, an intelligent elevator system capable of efficiently operating an elevator according to an exemplary embodiment of the present invention will be described in detail with reference to FIG. 2.

2 is an overall configuration diagram of an intelligent elevator system according to an embodiment of the present invention.

As shown in FIG. 2, the intelligent elevator system according to the embodiment of the present invention includes an internal button input unit 100, an external button input unit 200, an information transmitting unit 300, an intelligent central control unit 400, and an elevator driving unit 500. And a display unit 550.

The inner button input unit 100 is provided inside the elevator to guide and select a desired floor, an indicator for indicating the position of the elevator car, an indicator for indicating the direction of the elevator car, a direction indicator for indicating the direction of the elevator car and the closing of the elevator door. And an opening / closing button indicating opening.

The external button input unit 200 includes a guide button, an indicator, a direction indicator, etc., which are exposed and installed outside the elevator. In addition, when there are a plurality of users having the same floor to be moved on the same floor outside the elevator, the external button input unit 200 allows a duplicate input of the user and transmits a signal according to the duplicate input to the intelligent central control unit 400. In this case, the external button input unit 200 distinguishes the duplicate input according to the fingerprint recognition or processes the duplicate input by using various other methods.

The internal button input unit 100 or the external button input unit 200 and the intelligent central control unit 400 are connected through a network.

The information transmitting unit 300 transmits the elevator driving request information input between the internal button input unit 100 or the external button input unit 200, the display unit 550, and the intelligent central control unit 400.

The intelligent central control unit 400 controls the operation of a plurality of elevators as a whole, receives elevator operation request information received through a network, analyzes the received operation request information in real time, and assigns elevator operation according to an assignment order determined by a specific criterion. Set to generate and transmit the elevator drive control signal for controlling the drive of the elevator of the highest priority.

In addition, the intelligent central control unit 400 provides elevator information to notify the user of information on the elevator and a plurality of elevator operations that can be conveniently and quickly used by the user based on the elevator operation request information transmitted from the user. The control signal is generated and transmitted to the display unit 550.

In addition, when the signal according to the duplicate input is transmitted from the external button input unit 200, the intelligent central controller 400 counts the duplicate input and applies a weight to the elevator assignment.

The elevator driver 500 drives the elevator according to the elevator drive control signal transmitted from the intelligent central control unit 400.

The display unit 550 displays the corresponding information on the screen according to a control signal according to the elevator information provided from the intelligent central control unit 400.

The intelligent elevator system according to the embodiment of the present invention configured as described above is connected to the Internet 600 to enable internet control. To this end, in the intelligent elevator system according to an embodiment of the present invention, the network is connected to the Internet 600 and the intranet 700. In addition, although the Internet 600 is illustrated in FIG. 2, it may alternatively be connected through a mobile communication network or a telephone network.

The intelligent elevator system according to an embodiment of the present invention is connected to the Internet 600 while the user accesses the web server using the terminal 610 from the outside to accept the elevator operation reservation, the web server to the elevator operation reservation information network Send it through. In addition, the intelligent elevator system is connected to the intranet 700 to provide information for the elevator assignment ranking and intelligent internal building information according to a predetermined criterion set by the manager through the terminal 710.

Hereinafter, the external button input unit 200 of the intelligent elevator system according to an embodiment of the present invention will be described in detail with reference to FIG. 3.

3 is an exemplary view in which an external button input unit and a display unit are installed in an intelligent elevator system according to an exemplary embodiment of the present invention.

3, the external button input unit 200 of the intelligent elevator system according to an embodiment of the present invention is installed on the outer wall of the elevator 800, the direction indicator 210, the indicator 220 and the guide button 230 Include. In this case, the external button input unit 200 may have the same structure as the internal button input unit 100.

The direction indicator 210 displays the traveling direction of the elevator car.

Indicator 220 displays the current position of the elevator car.

The guide button 230 displays each floor so that a desired floor can be selected from the outside of the elevator 800.

In addition, the display unit 550 is installed in the upper part of the elevator information on the operation of the plurality of elevators, elevator information that can be quickly used by the elevator users, information to be used by the user and information about the elevator to stop using the elevator temporarily by reservation And so on. The information may be displayed only on the display unit 550 as a letter, and the information may be provided as a voice when the speaker function is provided.

The external button input unit 200 of the intelligent central control unit 400 of the intelligent elevator system according to an embodiment of the present invention is installed on the outer wall of the elevator so that the user inputs information on the floor to be moved before the elevator is taken. Therefore, the internal button input unit 200 is mainly used to modify the information input from the external button input unit 200. When the user inputs a signal through the external button input unit 200 as described above, the information according to the signal determines whether the driving direction of each of the plurality of elevators currently operating is the up direction or the down direction to fit the respective driving direction. The direction setting signal capable of displaying the direction is output and applied to the direction indicator 210. In addition, the intelligent central control unit 400 outputs the current floor information of each elevator and applies it to the indicator 220 to display the current location.

The display unit 550 receives the control signal according to the elevator information provided from the intelligent central control unit 400 and provides the corresponding information.

Next, the intelligent central control unit 400 of the intelligent elevator system according to an embodiment of the present invention will be described in detail with reference to FIG. 4.

4 is a block diagram of an intelligent central control unit of the intelligent elevator system according to an embodiment of the present invention.

As shown in FIG. 4, the intelligent central control unit 400 of the intelligent elevator system according to an exemplary embodiment of the present invention may include a signal determining unit 410, a signal analyzing unit 420, a driving standard registration unit 430, and a reservation receiving unit 440. , An elevator rearrangement 450, a control unit 460, an information storage unit 470, and a notification unit 480.

The signal discrimination unit 410 receives a signal through a designated port according to various data formats input through a network, and whether the received signal is a signal input through the Internet 600, an internal button input unit 100 or an external button input unit ( It is determined whether the signal is input from the 200 or the signal input through the intranet 700.

When the signal determined by the signal determination unit 410 is a signal input through the internal button input unit 100 or the external button input unit 200, the signal analyzer 420 analyzes request information according to the elevator assignment from the signal. do. That is, the signal analyzer 420 transmits the information based on the current floor of the user and the floor desired by the user from the signals input through the internal button input unit 100 and the external button input unit 200 to the elevator rearrangement 450. .

The signal analyzer 420 counts and counts duplicate inputs when signals corresponding to duplicate inputs are transmitted through the external button input unit 200 when there are a plurality of users having the same floor to move on the same floor outside the elevator. The information is sent to the elevator rearrangement 450. That is, the signal analyzer 420 processes the signals according to the redundant input as separate elevator request signals.

In order to improve elevator operation efficiency, the driving standard registration unit 430 registers the assignment ranking according to the elevator operation by a specific standard through the intranet 700.

If the signal determined by the signal determining unit 420 is a signal input through the Internet 600, the reservation receiving unit 440 receives the corresponding signal from the signal determining unit 420 to receive the reservation, and the information according to the reservation. To the elevator rearrangement 450.

The elevator assignment unit 450 assigns the elevator to be operated according to the assignment order registered in the driving standard registration unit 420 with the corresponding information input. The elevator assignment 450 transmits the elevator assignment result to the controller 460.

The control unit 460 receives the elevator assignment result from the elevator assignment 450 and generates and outputs an elevator drive control signal for controlling the driving of the elevator and a control signal according to the elevator information provided to provide the elevator related information to the user. do. The controller 460 generates and outputs a notification control signal to the notification unit 480 when a user designates and reserves a time for requesting an elevator assignment through the Internet 600.

The information storage unit 460 stores general information about the elevator, such as information based on the operation criteria of the elevator, each elevator identification information, and operation information.

The notification unit 480 receives a notification control signal from the control unit and transmits information about the assigned elevator and whether the elevator arrives to the user through the network and the Internet 600.

Next, an operation process of the intelligent elevator system according to an embodiment of the present invention will be described in detail with reference to FIGS. 5 to 6.

5 is a view showing the operation of the intelligent elevator system according to a first embodiment of the present invention.

As shown in FIG. 5, when the manager inputs a signal for registering an elevator driving standard through the intranet 700 using the terminal 710, the signal determination unit 410 of the intelligent elevator system determines the corresponding signal. The signal determining unit 410 recognizes that the determined signal is not a signal by pressing a button, but is a signal based on a driving standard driving standard registration request, and transmits the signal based on the driving standard registration request to the driving standard registration unit 420 (S500-S510, S530).

The driving standard registration unit 420 analyzes the signal input by the manager, extracts the corresponding information, and registers the elevator assignment standard according to the extracted information (S540-S550). At this time, the administrator first registers the criteria to assign the elevator closest to the floor on which the user is currently located, and the operation criteria to assign elevators to the same use request group when multiple users located on different floors have the same floor. The registration unit 420 registers. In addition, when there are a plurality of users having the same floor to be moved on the same floor outside the elevator, the vehicle is registered in the driving reference register 420 at a higher priority so as to be prioritized by assigning a weight according to the number of corresponding use requests. When the elevator use time is reserved, the elevator car is registered in the highest priority order so that one elevator among the plurality of elevators can be assigned, and the elevator car allocated by the elevator reservation before or after a predetermined time from the elevator reservation time is excluded from other elevator operations. (S550).

 The driving standard registration information thus registered may be assigned to each of the assigned rankings based on specific criteria. This can be assigned by the administrator, and the ranking may vary depending on the background, purpose, etc. of the building.

Then, when the user requests the elevator through the external button input unit 200, the elevator request signal is input to the signal determination unit 410 of the intelligent elevator system (S500). The signal determining unit 410 waits for a signal to arrive and determines whether the signal is a signal input from the elevator external button input unit 200 when the signal arrives (S510). The signal determining unit 410 recognizes that the signal input by the user is a signal input through the external button input unit 200 and transmits the corresponding signal to the signal analyzing unit 420.

The signal analyzer 420 receives a signal from the signal determiner 410 and analyzes the signal to extract elevator request information according to the user's current floor and the user's desired floor (S520). The extracted information is transmitted to the elevator rearrangement 450.

On the other hand, when there are a plurality of users having the same information on the current floor of the user and the floor to which the user wants to move, the external button input unit 200 distinguishes each user and allows duplicate input when the user who inputs the duplicated information is different. The signal according to the redundant input is transmitted to the signal analyzer 420 through the signal discriminator 410. The signal analyzer 420 counts a signal according to the received duplicated input and transmits count information to the elevator rearrangement 450.

The elevator rear panel 450 receives elevator request information extracted from the signal analyzer 420, and operates the driving reference register 430 based on a plurality of elevator-related information and specific criteria, such as driving directions of a plurality of elevators currently in operation. In step S560, an elevator to be allocated is allocated based on the previously assigned assignment order. At this time, when the elevator assignment unit 450 receives the count information according to the redundant input to the signal analyzer 420, the elevator assignment unit 450 assigns weights according to the count information to assign the elevators first.

For example, when 10 users press the 9th floor, which is the floor to be moved, among the multiple users waiting on the 2nd floor, the signal analyzer 420 receives elevator request information for 10 people. Instead of being regarded as the same, it is processed as a separate elevator request signal and counted for each, and the count information is transmitted to the elevator rearrangement 450. The elevator disposition 450 recognizes that there are 10 users who want to move from the second floor to the ninth floor from the count information, and assigns elevators by weighting the plurality of users.

In addition, the elevator assignment unit 450 transmits the elevator assignment result to be operated to the control unit 460, and the control unit 460 receives the elevator assignment result transmitted from the elevator assignment unit 450 to drive the elevator corresponding to the highest priority. The elevator drive control signal is generated and transmitted to the elevator drive unit 500 (S570-S580). As described above, according to an embodiment of the present invention, the elevator user receives the user's current location information and the location information to move before the elevator takes the most efficient assignment of the elevator to operate the elevator, so the destination after the conventional elevator After receiving information on the floor and receiving the received information, it is possible to improve the driving speed and the driving efficiency than operating the elevator.

The controller 460 generates a control signal for providing elevator related information to the user based on the information according to the plurality of elevator operations and transmits the control signal to the display unit 550 (S570-S580). The display unit 550 receives the information and displays the information according to the control signal on the screen. In this way, the user can obtain driving information corresponding to each of the plurality of elevators, and the elevator information to be used by the user can be provided to efficiently use the elevator.

Hereinafter, the case where the signal determined by the signal discrimination unit 310 is a reservation signal will be described in detail with reference to FIG. 6.

6 is a view showing the operation of the intelligent elevator system according to a first embodiment of the present invention.

First, a user accesses a web server of an intelligent elevator system through the Internet 600, calls a 'reservation page', inputs reservation related information, and sets a desired time to make a reservation (S600). When the user reserves time for the elevator in this way, the signal according to the elevator reservation is input to the signal determination unit 410 of the intelligent elevator system (S610). When the signal according to the elevator reservation arrives, the signal determining unit 410 determines the signal, and as a result, the user recognizes the signal according to the elevator reservation through the Internet 600 and transmits the signal to the signal analyzing unit 420. do.

The signal analyzer 420 receives a signal from the signal determiner 410 and analyzes the signal to provide information on the floor before the user moves, information on the floor to which the user wants to move, and reservation time information set by the user. Extract (S620). The extracted information is transmitted to the elevator rearrangement 450.

The elevator assignment unit 450 receives elevator request information extracted from the signal analyzer 420 and assigns one elevator among a plurality of elevators from an assignment order based on a specific criterion (S630). The elevator assignment 450 transmits information about the assigned elevator to the controller 460. In addition, the control unit 460, which receives the signal, generates an elevator driving control signal to transmit the elevator driving unit 500 so as to drive the elevator at the reservation time (S640-S650). At this time, the controller 460 waits without operating the elevator assigned from the reservation time around the predetermined time and generates a related control signal so that users can recognize the information according to the elevator which has been temporarily stopped by the reservation. The display unit 550 transmits the data to the display unit 550 (S640-S650).

The controller 460 generates a notification control signal for whether the elevator has arrived and transmits the notification control signal to the notification unit 480. Then, the notification unit 280 receives the notification control signal from the control unit 460 and transmits the information on the assigned elevator and whether the elevator arrived to the user terminal 610 via the Internet 600 (S640-S650). .

Functions of the intelligent elevator system according to an embodiment of the present invention described above may be implemented as a program and stored in a recording medium (CD-ROM, RAM, floppy disk, hard disk, magneto-optical disk, etc.) in a computer-readable form. .

The above embodiments are intended to illustrate the present invention, the scope of the present invention is not limited to the embodiments, it can be modified or modified by those skilled in the art within the scope of the invention defined by the appended claims. .

According to the present invention, by efficiently assigning elevators, elevator running efficiency can be increased and power consumption can be reduced. It also reduces unnecessary waiting time for the user.

1 is a block diagram of a conventional elevator system.

2 is an overall configuration diagram of an intelligent elevator system according to an embodiment of the present invention.

3 is an exemplary view of the external button input unit of the intelligent elevator system according to an embodiment of the present invention.

4 is a block diagram of an intelligent central control unit of the intelligent elevator system according to an embodiment of the present invention.

5 is a view showing the operation of the intelligent elevator system according to a first embodiment of the present invention.

6 is a view showing the operation of the intelligent elevator system according to a second embodiment of the present invention.

Claims (16)

In an intelligent elevator system for intelligently controlling a plurality of elevators, An internal button input unit for guiding the entire floor and inputting a desired floor by a user, and an opening and closing button for opening and closing the elevator door by the user; An external button input unit for guiding the entire floor and inputting a user's desired floor, the guide button being installed outside the elevator to input a floor to which the user wants to move from the outside; Controls the operation of the plurality of elevators and analyzes the information input from the user in real time to allocate an elevator to operate based on a preset order set by a specific criterion, elevator drive control signal for the assigned elevator and elevator related information to the user Intelligent central control unit for generating and transmitting a control signal for providing a; An elevator driver which receives the elevator drive control signal and drives the elevator; And A display unit installed outside the elevator to receive a control signal according to the elevator-related information and display the corresponding information on a screen Intelligent elevator system comprising a. The method of claim 1, wherein the external button input unit, Intelligent elevator system that allows redundant input by differentiating users on the same floor to which multiple users in the same location outside the elevator wish to move. The method of claim 2, wherein the intelligent central control unit, And intelligent weighting the elevator assignment by counting the duplicated input. The method of claim 3, wherein the specific criteria, Intelligent elevator system to prioritize the elevator in proportion to the count. The method of claim 1, wherein the specific criterion is An intelligent elevator system that allows elevators to be assigned preferentially based on distance from the floor on which an elevator user is located, and to assign elevators to the same destination group of multiple users outside the elevator. The method of claim 2, wherein the intelligent central control unit, A signal discriminating unit which determines an input signal; A driving standard register for registering an elevator assignment ranking based on a specific criterion; A signal analysis unit for analyzing the determined signal and extracting count information and information for elevator operation according to a redundant input through an external button input unit; An elevator assignment unit for allocating an elevator to operate based on the information extracted from the signal analysis unit and the registered assignment order; A control unit for generating and transmitting a driving control signal for driving the assigned elevator and a control signal for providing elevator related information to a user; And Information storage unit for storing the information according to the elevator operation Intelligent elevator system comprising a. The method of claim 4, wherein the intelligent central control unit, A reservation reception unit which receives the reservation and transmits information according to the reservation to the elevator rearrangement when the user has reserved an elevator request time; And If the user has reserved the elevator request time, the notification unit notifying whether the elevator arrives at the time Intelligent elevator system further comprising. The method of claim 4, wherein the control unit, Intelligent elevator system for generating a notification control signal for informing the user whether the elevator arrives to the notification unit. The method according to any one of claims 1 to 6, Intelligent elevator system is connected to the intelligent central control unit at least one of the Internet or intranet. In an intelligent elevator control method for intelligently controlling a plurality of elevators, a) determining whether the input signal is a signal for requesting an elevator outside the elevator; b) when the result of step a) determines that the elevator request signal, where the elevator request signal includes current floor information and destination information, extracts the current floor information and destination information from the elevator request signal input from the outside of the elevator; step; And c) assigning an elevator to operate based on the extracted information and the plurality of elevator related information; Intelligent elevator control method comprising a. The method of claim 10, wherein step c) Intelligent elevator control method for counting duplicate inputs for the same floor to be moved by a plurality of users in the same location outside the elevator, and assigns the elevator in proportion to the count. The method of claim 10, wherein step c) Intelligent elevator control method for assigning elevators to the same destination group for the same destination floor of multiple users outside the elevator. The method of claim 8, wherein step c) Intelligent elevator control method for assigning the elevator nearest to the current floor of the user. The method of claim 10, After the step c), providing elevator related information to the user based on the elevator assignment result and the plurality of elevator operation information. Intelligent elevator control method further comprising. The method of claim 10, d) if it is determined that the signal input in step a) is an elevator reservation signal, wherein the elevator reservation signal includes pre-movement floor information, destination information and reservation time information; Extracting destination information and reservation time information; e) assigning an elevator preferentially based on the information extracted in step d); And f) informing the user of the arrival of the elevator when the reservation time comes; Intelligent elevator control method further comprising.  In a recording medium on which a program having a function of intelligently controlling a plurality of elevators is recorded, a) determining whether the input signal is a signal for requesting an elevator outside the elevator; b) if the result of step a) determines that the elevator request signal, wherein the elevator request signal includes current floor information and destination information, extracts the current floor information and the destination information from the elevator request signal input from outside the elevator; Function; And c) a function of assigning an elevator to operate based on the extracted information and the plurality of elevator related information; Recording medium in which a program comprising a recording.