KR20070089284A - Building management system using radio frequency identification - Google Patents

Abstract

A building management system using an RFID(Radio Frequency Identification) is provided to trace a location of a passer wearing an RFID tag by analyzing a location of the RFID reader in region information form, and automatically control facilities within a building in a central station by attaching various sensors to the RFID reader. A building management system(100) using an RFID(Radio Frequency Identification) comprises the followings: one or more RFID tags(110) for transmitting tag identification information; plural RFID readers(120) for transmitting the received tag identification information together with reader identification information; a managing server(140) which recognizes an RFID reader, transmitting information, and grasping an installation area of the recognized RFID reader if the tag identification information and the reader identification information are transmitted; and a connection device(130) which connects the RFID reader with the managing server through wire/wireless network, and transmits the tag identification information and the reader identification information from the RFID reader to the managing server.

Description

Building management system using RFIDD {Building management system using Radio Frequency IDentification}

1 is a block diagram schematically showing the components of a building management system using RFID according to an embodiment of the present invention.

2 is a diagram illustrating a form in which the components of a building management system using RFID according to an embodiment of the present invention are installed in a building.

3 is a block diagram schematically illustrating the components of an RFID tag provided in a building management system using RFID according to an embodiment of the present invention.

Figure 4 is a block diagram schematically showing the components of the RFID reader provided in the building management system using RFID according to an embodiment of the present invention.

FIG. 5 is a diagram illustrating a protocol stack structure illustrating a data area transmitted and received in a Zigbee network of a building management system using RFID according to an embodiment of the present invention.

Figure 6 is a block diagram schematically showing the components of the Zigbee communication module of the building management system using RFID according to an embodiment of the present invention.

FIG. 7 is a diagram illustrating a network topology formed by a Zigbee communication module of a building management system using RFID according to an embodiment of the present invention.

8 is a data structure diagram schematically illustrating a form of a data packet processed by a Zigbee communication module of a building management system using RFID according to an embodiment of the present invention.

9 is a block diagram schematically illustrating the components of a management server provided in a building management system using RFID according to an embodiment of the present invention.

FIG. 10 is a diagram illustrating a data structure of a database constructed by a management server of a building management system using RFID according to an embodiment of the present invention. FIG.

<Explanation of symbols for main parts of drawing>

100: building management system using RFID

110: RFID tag 111: tag antenna

112: reception demodulation section 113: power supply section

114: transmission modulator 115: tag control unit

116: tag memory 120: RFID reader

121: reader antenna 122: demodulator

123: transceiver 124: modulator

125: reader control unit 126: reader memory

127: RFD unit 128a: light sensor

128b: humidity sensor 128c: temperature sensor

130: PAN coordinator 140: management server

The present invention relates to a building management system using RFID.

Currently, ubiquitous network technology has attracted the attention of many people, ubiquitous network technology means a technology that allows to naturally connect to various networks regardless of time and place.

The ubiquitous network technology can be implemented in various ways using communication technologies such as telematics communication, short-range wireless communication, and mobile communication, and by using this, a natural connection environment is provided in a space such as a car, home, or public place. The utilization of IT information and technology will increase, and the overall IT industry is expected to develop more rapidly.

As the next generation technology of the ubiquitous network technology, RFID technology may be cited. Among them, RFID technology introduced in commerce is representative.

In general, a commercial RFID system includes an electronic tag attached to a product and embedded with detailed information, an RFID reader for reading the information of the electronic tag using RF communication, an information server for collecting information from the RFID reader and building a database; It consists of an ONS (Object Name Server) that connects the information server to build a global network, and the electronic tag attached to the product passes through the area where the RFID reader is located and transmits information using RF communication. As a result, logistics / distribution management such as distribution, assembly, price change, and sales of goods can be efficiently processed.

Ubiquitous technology as described above is very wide application range is expected to be able to make life in the real world more convenient by combining various technologies and services. However, technology development is still in its infancy, and the application services used are also very limited in the form of transportation cards, identity cards, animal management chips, and the like.

On the other hand, such as research institutes, corporations and hotels, the number of visitors (visitors) can be increased in case of frequent movement of buildings, high risk of accidents, management of goods stored in facilities, and security of entry. There is a need to check and control the location in real time, which is accompanied by a lot of difficulties in the conventional manner.

For example, in case of controlling entry of a building by using a log of visitors or using an access card, access is controlled only at the front door or entrance of the building where the control center is located, and it is difficult to control the movement of the inside of the building.

In particular, a solution for determining the location of a person using a video photographing device (video camera), an image processing system, a mobile communication terminal, an access card, etc. has been provided, but it is cumbersome to use and difficult to install. Due to the limitation of the installation environment, it is difficult to control the whole building, and because the installation location is exposed to the outside, the accessor may artificially leave the control area.

On the other hand, most buildings use a central management system to manage lighting and temperature, but only centrally control the power supply and operation switching, etc., the manager patrols the inside of the building to grasp the situation / environment in the building. shall.

Therefore, there is a demand for a method of controlling the location of an occupant and efficiently controlling a building facility using the above-described RFID technology.

Therefore, according to the present invention, a plurality of RFID readers are regularly arranged inside a building, connected to a management server through a plurality of networks, and the location of the RFID reader is tracked by interpreting the location of the RFID reader as local information. By attaching various sensors to each RFID reader, it is possible to precisely grasp the environment inside the building and provide a building management system using RFID that can automatically control the facilities in the building such as air-conditioning system and humidification / dehumidification system. .

Building management system using RFID according to the present invention comprises at least one RFID tag for transmitting the tag identification information; A plurality of RFID readers for transmitting the tag identification information together with the reader identification information; When the tag identification information and the reader identification information is transmitted, the management server to recognize the RFID reader transmitting the information to determine the installation region of the RFID reader, and to track the location of the RFID tag; And an access device that connects the RFID reader and the management server through a wired / wireless network and transfers the tag identification information and the reader identification information from the RFID reader to the management server.

In addition, the wired / wireless network used in the building management system using RFID according to the present invention is a Zigbee network, the connection device is a Zigbee coordinator, and communicates with the Zigbee communication module provided in the RFID reader, and the management server It is connected by wire.

In addition, the management server provided in the building management system using RFID according to the present invention coordinates the installation area of the RFID reader, and tracks the position of the RFID tag by matching the position of the RFID reader with predetermined coordinate information. do.

In addition, the connection device of the building management system using the RFID according to the present invention is a plurality, generating the connection device identification information and transmits the tag identification information and the reader identification information to the management server, the management server is Recognizing the access device that transmitted the information to determine the installation region of the access device, and tracks the position of the RFID tag through the tag identification information, reader identification information and access device identification information.

In addition, the connection device of the building management system using RFID according to the present invention communicates with a group of RFID readers corresponding to predetermined coordinate information, and is provided in plural and connected with the management server.

In addition, the RFID reader of the building management system using RFID according to the present invention is connected to the temperature sensor, and transmits the temperature information in the reader identification information, the management server is the temperature information when the reader identification information is transmitted Analyze and control the heating and cooling system.

In addition, the RFID reader of the building management system using RFID according to the present invention is connected to the light sensor, and transmits the lighting information included in the reader identification information, the management server is the lighting information when the reader identification information is transmitted. Interpret to control lighting systems or display inactive lighting by region.

In addition, the RFID reader of the building management system using the RFID according to the present invention is connected to the humidity sensor, and transmits the humidity information in the reader identification information, the management server sends the humidity information when the reader identification information is transmitted. Analyze and control the humidification / dehumidification system.

Hereinafter, a building management system using RFID according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram schematically illustrating the components of a building management system 100 using RFID according to an embodiment of the present invention, and FIG. 2 is a building management system 100 using RFID according to an embodiment of the present invention. Figures illustrating the form in which the components of the installation inside the building.

Referring to FIG. 1, the building management system 100 using RFID according to an embodiment of the present invention includes an RFID tag 110, a plurality of RFID readers 120, and a Zigbee communication module (hereinafter, referred to as a “PAN coordinator (Personal Area Network). coordinator), and the management server 140.

In the embodiment of the present invention, the RFID tag 110 is attached to the access card possessed by the building occupants, RFID reader 120 is a plurality, are arranged in the building spaced apart regularly, temperature sensor, light sensor, humidity It is equipped with a sensor. In addition, the RFID reader 120 includes a Zigbee communication unit (hereinafter referred to as an "RFD (Reduced Function Device) unit") that performs Zigbee communication with the PAN coordinator 130.

As illustrated in FIG. 2, since the lighting facility of the building ceiling is usually installed regularly to cover a predetermined area, the RFID reader 120 may also be installed together with the lighting facility of the building ceiling, in which case the management server 140. When the RFID reader 120 is identified, the position of the RFID tag 110 communicating with the RFID reader 120 may be naturally known.

That is, the management server 140 coordinates the installation area of the RFID reader 120 (for example, "x coordinate of x1, x2, x3, x4 ..., y coordinate of y1, y2 ..." of FIG. 2), By constructing a table in the database that maps the position of the RFID reader 120 to predetermined coordinate information, the position of the holder of the RFID tag 110 can be known.

In this case, a plurality of coordinated RFID readers 120 are installed in one isolated space, and the plurality of RFID readers 120 communicate with one PAN coordinator 130 through a Zigbee network.

The PAN coordinator 130 aggregates the information of the RFID readers 120 in each of the isolated spaces, and the plurality of PAN coordinators 130 are connected to the management server 140 by wire. The location of the RFID tag (incoming person) 110 may be determined, and building environment information such as lighting information, temperature information, and humidity information may be periodically detected.

First, the RFID tag 110 according to an embodiment of the present invention will be described with reference to FIG. 3.

3 is a block diagram schematically illustrating components of an RFID tag 110 provided in a building management system 100 using RFID according to an exemplary embodiment of the present invention.

According to FIG. 3, the RFID tag 110 includes a tag antenna 111, a reception demodulation unit 112, a power supply unit 113, a transmission modulator 114, a tag control unit 115, and a tag memory 116. The tag antenna 111 receives the information request signal through a wireless channel or transmits the tag identification information processed by the transmission modulator 114, and usually a dipole antenna is used.

The power supply unit 113 is a device for supplying power to the reception demodulation unit 112, the tag control unit 115 and the transmission modulator 114.

The RFID tag 110 is classified into an active method and a passive method according to the driving method of the tag antenna 111 and the power supply 113. The active method includes a tag antenna 111 for generating an oscillation circuit. And transmit the tag identification information, and the power supply unit 113 includes a battery to provide power to the oscillation circuit. In an embodiment of the present invention, the RFID tag is assumed to be driven by an active scheme.

When the RFID tag 110 and the RFID reader 120 operate in the active manner, a UHF signal having a frequency band of 400 MHz to 900 MHz is used (here, 433 MHz is used).

The reception demodulation unit 112 demodulates the received information request signal into digital data and transmits it to the tag control unit 115. The tag control unit 115 generates tag identification information by analyzing a code of the demodulated information request signal. do. In addition, the tag controller 115 includes a communication protocol to control wireless communication with the RFID reader 120.

The tag memory 116 stores an information code system, and the tag control unit 115 generates the tag identification information using the tag code. The information code system includes header information, reader identification information, error correction information, tag identification information, and the like. It consists of.

The header information includes information such as a code format, a version of a code system, and a code length. The reader identification information is information for the RFID tag 110 to identify the RFID reader 120.

In addition, the error correction information (CRC: Cyclic Redundancy Checking) is information for correcting an error that may occur in data communication, and the tag identification information enables the RFID reader 120 to identify the RFID tag 110. Device identification (eg, Mac address) information.

The transmission modulator 114 modulates the digital signal generated by the tag controller 115 into an RF signal and transmits a modulated signal through the tag antenna 111. In the case of an active method, the signal is generated using an oscillator circuit. Will be sent.

4 is a block diagram schematically illustrating the components of the RFID reader 120 provided in the building management system 100 using RFID according to an embodiment of the present invention.

Referring to FIG. 4, the RFID reader 120 includes a reader antenna 121, a demodulator 122, a transceiver 123, a modulator 124, a reader controller 125, a reader memory 126, and an RFD unit. 127, an illumination sensor 128a, a humidity sensor 128b, and a temperature sensor 128c, the reader control unit 125 is provided with a communication protocol to control the RFID communication, the RFID tag 110 The information request signal is periodically sent to determine the location.

The reader controller 125 analyzes the code of the tag identification information digitally signaled by the demodulator 122 and generates its own reader identification information. In this case, the reader controller 125 converts the data format and extracts the necessary information. Perform teal filtering.

The RFD unit 127 transmits the tag identification information and the reader identification information to the PAN coordinator 130 through the Zigbee network. The RFD unit 127 and the PAN coordinator 130 constituting the Zigbee network are illustrated in FIGS. This will be described in detail with reference to FIG. 8.

A code analysis system is recorded in the reader memory 126 like the tag memory 116 so that the reader control unit 125 may use the code analysis system and store the item identification information in the reader memory 126.

The reader antenna 121 transmits an information request signal or receives tag information through a wireless channel. The reader antenna 121 or tag antenna 111 performs a function of a kind of a mutual sensing sensor through a wireless channel.

The transceiver 123 processes the tag information in the form of an RF signal and converts it into a baseband signal, and converts the information request signal generated by the reader controller 125 into an intermediate frequency signal through the modulator 124. The signal is converted into an RF signal and transmitted to the reader antenna 121.

The demodulator 122 demodulates the signal processed tag information into digital data and transmits the demodulated tag information to the reader controller 125.

In addition, the reader controller 125 includes a temperature sensor 128c, a humidity sensor 128b, and an illumination sensor 128a to receive temperature information, humidity information, and illumination information measured as an analog signal, and convert the digital signal into a digital signal. To form a data packet.

The data packetized temperature information, humidity information, and lighting information are included in the reader identification information and are transmitted to the management server 140 via the PAN coordinator 130.

For example, a capacitance type relative humidity sensor may be used as the humidity sensor 128b. In general, when the humidity is 55%, an analog signal having a standard capacitance of about 150pF to 200pF is transmitted to the reader controller 125.

FIG. 5 is a diagram illustrating a protocol stack structure showing a data area transmitted and received in a Zigbee network of a building management system 100 using RFID according to an embodiment of the present invention, and FIG. 6 is a diagram illustrating an RFID according to an embodiment of the present invention. It is a block diagram schematically showing the components of the Zigbee communication module of the building management system 100 used.

Referring to FIG. 5, the protocol stack processed by the RFD unit 127 or the PAN coordinator 130 is largely classified into a physical layer (S5), a media access controller (MAC) layer (S4), and a network (network). / security) layer S3, an application framework layer (hereinafter referred to as a "framework layer") (S2) and an application (Application / Profiles) layer (S1), the PH layer ( S5) and the MAC layer (S4) correspond to the IEEE standard area, the network layer (S3) and the framework layer (S2) correspond to the regulatory area of the Zigbee Alliance (Alliance), the application layer (S1) ) Corresponds to the User defined area.

Referring to FIG. 6, the RFD unit 127 or the PAN coordinator (a difference between them will be described with reference to FIG. 7, and hereinafter, the PAN coordinator will be described as an example). 132, an RF transmission module 135, a phase locked loop (PLL) 133, a power control circuit 134, a pulse processing module 136, and a control module 137.

The RF receiving module 132, the RF transmitting module 135, the phase synchronization circuit 133, and the power control circuit 134 are components that process an operation corresponding to the PH layer S5 of the Zigbee protocol stack. Determine the structure and network topology.

The RF receiving module 132 and the RF transmitting module 135 are provided with an amplifier, a filter, and the like to process a Zigbee signal carrying tag identification information and reader identification information from the RFD unit 127. The phase synchronization circuit 133 The RF receiving module 132 and the RF transmitting module 135 provide a reference frequency signal to synthesize the intermediate frequency signal, and the power control circuit 134 determines the strength of the received signal to adjust the amount of transmission power. .

The IEEE 802.15.4 standard defines two types of PH layers (S5) (2.4 GHz, 866/915 MHz), 16 channels in the 2.4 GHz band, 10 channels in the 902 MHz to 928 MHz band, and 868 MHz to 870 MHz. One channel is allocated to the band.

The RF receiving module 132 and the RF transmitting module 135 use a Direct Sequence Spread Spectrum (DSSS), and in the 2.4 GHz band, an offset-quad phase phase shift keying (O-QPSK) modulation scheme having a length of 32 PN codes. In the case of a band below 1 GHz, a Binary Phase-Shift Keying (BPSK) modulation scheme of 15 PN code length is used.

When the analog signal is processed in this way, the RF receiving module 132 and the RF transmitting module 135 process the digital signal in the baseband region. In the case of the RF receiving module 132, the synchronization of the digital signal, Despreading, demodulation, digital filtering, and the like, the RF transmission module 135 processes spreading, signal shaping, and the like.

When the MAC (Media Access Controller) processing module 136 finishes the digital processing of the PH layer S5, the MAC process interprets the transmitted data frame structure to approve the frame and detects an error (Error Detection; CRC or Detect whether to retransmit) and handle packet routing.

That is, the pulse processing module 136 is a component for processing an initial hardware network connection, and includes an additional frame structure associated with a beacon for time synchronization and a guaranteed time slot (GTS). It provides channel access by Carrier Sense Multiple Access with Collision Avoidance (CSMA-CA).

On the other hand, the control module 137 is a function of the remaining MAC layer (referred to as "Software-MAC" corresponding to the hardware module (Hardware-MAC)), the function of the network layer (S3), the framework layer (S2) The network topology is configured by performing a function of the network topology, and the predetermined data and battery power information are transmitted by performing the function of the application layer S1.

In addition, the control module 137 is connected to the management server 140 through a wired cable, generates coordinator identification information to the management server 140 along with the tag identification information and the reader identification information processed through the above process. To pass.

FIG. 7 is a diagram illustrating a network topology formed by the Zigbee communication modules 127 and 130 of the building management system 100 using RFID according to an embodiment of the present invention, and FIG. 4 is a data structure diagram schematically illustrating a form of a data packet processed by the ZigBee communication modules 127 and 130 of the building management system 100 using RFID according to an embodiment of the present invention.

Referring to FIG. 7, three ZigBee network topologies are shown. FIG. 7A illustrates a star network, and FIG. 7B illustrates a mesh network. FIG. 7C illustrates a cluster tree type network.

In FIG. 7, a Zigbee module denoted by "F" denotes a FFD (Full Function Device) module, and a Zigbee module denoted by "R" denotes an RFD (RFD) Reduced Function Device (RFD) module. The Zigbee module denoted by "means a PAN personal area network coordinator (130) module.

The FFD module performs functions such as network initialization, node management, and node information storage among the FFD modules. The FFD module for allowing the remaining Zigbee modules to configure any one of the three networks described above is called a PAN coordinator module.

The FFD module is a module capable of performing a coordinator function, and may configure three types of networks, and may communicate with all of the FFD module or the RFD module.

On the other hand, the RFD module is a Zigbee module that does not perform a coordinator function. The RFD module is a coordinating target of the FFD module and may configure only a star network. That is, the RFD module communicates only with the FFD module and is dedicated to the network function, thereby making it possible to use a stack structure of the smallest size and to save computational / memory resources.

That is, the Zigbee communication module may function as an RFD module, an FFD module, or a PAN coordinator module according to a type of a program mounted in the controller, that is, a type of a program that processes data of the network layer S3 and the framework layer S2. Can be.

In the embodiment of the present invention, the Zigbee communication module mounted on the RFID reader 120 is of RFD type (for this reason, referred to as "RFD unit"), and communicates with the RFD unit 127 and connects with the management server 140. The Zigbee communication module is operated as the PAN coordinator 130.

According to FIG. 8, the Zigbee communication data packet includes a preamble D1, a Start of Packet Delimiter (D2), a PHY header (D3), a PHY Service Data Unit (PSD), and the like. Or " beacon " may be used) (D1) refers to a series of pulse signals that can be interpreted between ZigBee modules to synchronize transmission timing.

In addition, the SPD (D2) informs the relative Zigbee module that the actual packet data has been started, and indicates the interpretation point of the PHY header, and the PHY header (D3) contains the interpretation information of the PH layer (physical layer) (S5). The PSDU D4 includes application data (tag identification information and reader identification information) together with routing information.

9 is a block diagram schematically illustrating the components of the management server 140 provided in the building management system 100 using RFID according to an embodiment of the present invention, and FIG. 10 is an RFID according to an embodiment of the present invention. The data structure of the database which the management server 140 of the building management system 100 uses is shown.

Referring to FIG. 9, the management server 140 includes a network interface 141, a data analysis module 142, a D / B management module 143, a first control module 144, a second control module 145, and a database. (D / B) 146 and a user interface 147, the network interface 147 is wired to the PAN coordinator 130 and has a Zigbee protocol to decompose the packet and transmitted tag identification information, Interpret reader identification information and coordinator identification information.

The data analysis module 142 converts the current position of the RFID tag 110 into reader coordinate information through the analyzed tag identification information, reader identification information, and coordinator identification information, and converts the reader coordinate information back into location information in the building. do. The location information in the building includes access information, specific location information, and movement information in a specific place.

The location information of the converted RFID tag 110 in the building is displayed through the user interface 147 so that the administrator can check the location of the person in the building in real time.

In addition, the data analysis module 142 grasps the temperature information, humidity information, and lighting information for each reader included in the reader identification information, and checks the D / B management module 143, the first control module 144, and the second control module ( 145, each information is displayed via a user interface 147.

Therefore, the manager periodically checks the working environment in the building and can immediately take action when an abnormality occurs in the facility.

As shown in FIG. 10, the D / B management module 143 receives data from the data analysis module 142 to build a database 146, and the user interface 147 needs data when requested by an administrator. Extract and output as an audio or video signal.

The first control module 144 receives the temperature information from the data analysis module 142, and controls the operation of the heating and cooling system in comparison with the reference value.

In addition, the second control module 145 receives the humidity information from the data analysis module 142, and controls the operation of the humidification / dehumidification system in comparison with the reference value.

Through such a configuration, the management server 140 can grasp the number of people in the building, a place where a large number of people are concentrated, humidity, temperature, lighting conditions, etc., and can effectively control the facilities in the building in consideration of various situations.

Although the present invention has been described above with reference to the embodiments, these are only examples and are not intended to limit the present invention, and those skilled in the art to which the present invention pertains may have an abnormality within the scope not departing from the essential characteristics of the present invention. It will be appreciated that various modifications and applications are not illustrated. For example, each component specifically shown in the embodiment of the present invention can be modified. And differences relating to such modifications and applications will have to be construed as being included in the scope of the invention defined in the appended claims.

According to the building management system using RFID according to the present invention, by matching the position of the RFID reader to the coordinate information in the building, it is possible to accurately identify the location of the person carrying the RFID tag, and to grasp in real time even if the local environment in the building changes. Therefore, the building equipment such as lighting devices, thermostats, and humidity controllers can be managed from a central server.

In addition, according to the present invention, it is possible to prevent accidents that may occur in the building in advance, and it is possible to optimize and maintain the building environment, thereby improving work efficiency.

Claims (9)

One or more RFID tags for transmitting tag identification information; A plurality of RFID readers for transmitting the tag identification information together with the reader identification information; When the tag identification information and the reader identification information is transmitted, the management server to recognize the RFID reader transmitting the information to determine the installation region of the RFID reader, and to track the location of the RFID tag; And And a connection device for connecting the RFID reader and the management server through a wired / wireless network and transferring the tag identification information and the reader identification information from the RFID reader to the management server. The method of claim 1, The wired / wireless network is a Zigbee network, The connecting device is a Zigbee coordinator, and communicates with the Zigbee communication module provided in the RFID reader, building management system using RFID, characterized in that connected to the management server by wire. The method of claim 1, wherein the management server And coordinate the installation area of the RFID reader and track the position of the RFID tag by mapping the position of the RFID reader to predetermined coordinate information. The method of claim 1, As a plurality of the connection device, generating the connection device identification information and transmits the tag identification information and the reader identification information to the management server, The management server recognizes the access device that transmitted the information to determine the installation area of the access device, and the RFID tag characterized in that tracking the position of the RFID tag through the tag identification information, reader identification information and access device identification information Building management system. The method of claim 3, wherein the connecting device A building management system using RFID, which communicates with a group of RFID readers corresponding to predetermined coordinate information, and is provided in plurality and connected to the management server. The method of claim 1, wherein the management server Building management system using RFID, characterized in that to build a database by analyzing any one or more information of the specific location access information, current location information, the movement information in the building of the RFID tag. The method of claim 1, The RFID reader is connected to the temperature sensor, and transmits the temperature including the temperature information in the reader identification information, The management server interprets the temperature information when the reader identification information is transmitted building control system using RFID, characterized in that for controlling the heating and cooling system. The method of claim 1, The RFID reader is connected to the light sensor, and transmits the reader information including the lighting information, The management server interprets the lighting information when the reader identification information is transmitted to control the lighting system or to display the inoperative lighting by region for each building using RFID. The method of claim 1, The RFID reader is connected to the humidity sensor, and transmits the humidity information including the reader identification information, The management server interprets humidity information when the reader identification information is transmitted, and controls a humidification / dehumidification system.

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