WO2018117301A1 - Iot gateway for simultaneously providing local and global iot services - Google Patents

Iot gateway for simultaneously providing local and global iot services Download PDF

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Publication number
WO2018117301A1
WO2018117301A1 PCT/KR2016/015104 KR2016015104W WO2018117301A1 WO 2018117301 A1 WO2018117301 A1 WO 2018117301A1 KR 2016015104 W KR2016015104 W KR 2016015104W WO 2018117301 A1 WO2018117301 A1 WO 2018117301A1
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iot
gateway
data
server
actuator device
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PCT/KR2016/015104
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French (fr)
Korean (ko)
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송민환
이상신
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전자부품연구원
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services

Definitions

  • the present invention relates to IoT-related technology, and more particularly, to an IoT system, a server, and a gateway for providing various IoT services by using an IoT system.
  • IoT services are server-centric and collect all the IoT data from the server and provide it. Such a server-oriented IoT service has difficulty in properly processing a large amount of data generated from an IoT device.
  • the IoT service of such a server-oriented structure may be very slow response of the service depending on the network environment between the device and the server.
  • the gateway is provided between the device and the server, there is a problem that the service speed is slowed down due to data relay of the gateway.
  • the present invention has been made to solve the above problems, an object of the present invention, an IoT service method and a IoT system using a combination of server-oriented global IoT services and gateway-oriented local IoT services in parallel In providing.
  • the IoT service method includes a first control step of a gateway controlling an actuator device; And a second control step of controlling, by the server, the actuator device.
  • the user device may further include requesting control of the actuator device from the server or the gateway.
  • the first control step may control the actuator device by analyzing only a specific range of data held by the gateway.
  • the server may control the actuator device by analyzing data received from the gateway.
  • the first control step may control the actuator device in response to an abnormal occurrence
  • the second control step may control the actuator device in a normal state.
  • the gateway may intermittently transfer the collected data to the server.
  • the specific range of data may be data collected during a recent specific time.
  • a communication unit for communicating with the sensor device and the server; And a processor that collects data from the sensor device through the communication unit, transfers the collected data to the server, and holds only a specific range of data among the collected data.
  • the server receives the data collected from the sensor device;
  • the server includes analyzing the received data and controlling the actuator device, wherein the gateway analyzes only a specific range of data among the collected data to control the actuator device. do.
  • a communication interface for communicating with a gateway; And a processor that receives and analyzes data collected from the sensor device through a communication interface and controls the actuator device, wherein the gateway analyzes only a specific range of data among the collected data to control the actuator device.
  • a server is featured.
  • the IoT device since the IoT device does not directly connect to the IoT server, data may be collected in the IoT gateway by using the IoT gateway as a server, and thus, the IoT gateway does not go through the IoT server. IoT services are also possible.
  • IoT gateways collect and provide data from sensor devices in the local area to provide local IoT services quickly and appropriately.
  • the burden on the IoT server may be reduced and the network load may be reduced.
  • the IoT gateway since the IoT gateway delivers information of the IoT device to the IoT server, the IoT server also inquires the information of the local IoT device and collects data, thereby enabling IoT services anywhere and anytime through the IoT server. It is possible to provide.
  • the IoT server since the IoT server stores sensor data of a large amount for a long time, it is possible to support IoT services in depth through big data analysis, machine learning, and the like based on large data.
  • FIG. 1 is a block diagram of an IoT system according to an embodiment of the present invention.
  • FIG. 4 is a detailed block diagram of the IoT gateway shown in FIG. 1;
  • FIG. 6 is a detailed block diagram of the IoT server shown in FIG. 1;
  • An IoT system according to an exemplary embodiment of the present invention provides a global IoT service 410 by the IoT server 100 and a local IoT service 420 by the IoT gateway 200 at the same time.
  • IoT system according to an embodiment of the present invention that provides such a complex service, as shown in Figure 1, so that the IoT server 100, IoT gateway 200 and IoT devices (311, 312, 313, 321, 322, 323) can communicate with each other Are connected and built.
  • the IoT server 100 receives and stores data of the sensor devices 311, 312, and 313 collected by the IoT gateway 200, and analyzes the stored data to control the actuator devices 321, 322, and 323.
  • the IoT server 100 controls the actuator devices 321, 322, 323 based on in-depth analysis through big data analysis, machine learning, etc. for long-term and large-scale sensor data.
  • the IoT gateway 200 does not transmit data collected from the sensor devices 311, 312, and 313 in real time, and performs periodic / intermittent transmission on a block basis, so that the actuator devices 321, 322, 323 by the IoT server 100 are provided. Control is not quick.
  • the control of the actuator devices 321, 322, 323 by the IoT server 100 is suitable when the equipment / facility to be controlled via the actuator devices 321, 322, 323 is in a normal state, that is, when the abnormal state is not abnormal.
  • the IoT gateway 200 stores the data collected from the sensor devices 311, 312, and 313 in its storage space before delivering the data to the IoT server 100.
  • the data retained in the storage space by the IoT gateway 200 is limited to recent data, such as data of the last three days. That is, the IoT gateway 200 periodically deletes data whose retention period has elapsed from the storage space.
  • the IoT gateway 200 is different from the IoT server 100 having a long-term / a large amount of data in that it holds only a recent / small amount of data.
  • the IoT gateway 200 controls the actuator devices 321, 322, 323 by analyzing sensor data held by the IoT gateway 200.
  • the IoT gateway 200 simply compares and controls only recent / a small amount of data, the control of the actuator devices 321, 322, and 323 by the IoT gateway 200 is quick, while control based on in-depth analysis is impossible. .
  • the control of the actuator devices 321, 322, 323 by the IoT gateway 200 is performed when the equipment / facility to be controlled through the actuator devices 321, 322, 323 is abnormal, that is, when a failure or abnormal data is detected. Suitable.
  • the equipment / facility to be controlled may be, for example, a bridge requiring rapid control when an abnormal condition occurs, and the technical spirit of the present invention may be applied to other types of equipment / facility.
  • the user may input a user's request / command, such as device inquiry or device data inquiry or device control command, not only through the global IoT service 410 but also through the local IoT service 420.
  • a user's request / command such as device inquiry or device data inquiry or device control command
  • the request / command of the user through the global IoT service 410 is transmitted to the IoT server 100.
  • the request / command of the user through the local IoT service 420 may be delivered to the IoT gateway 200 or to the IoT server 100 through the IoT gateway 200.
  • FIG. 2 is a flowchart provided to explain a sensor device registration process.
  • the sensor device connected to the IoT gateway 200 requests registration while transmitting its UID to the IoT gateway 200 (S510).
  • the IoT gateway 200 requests the gateway-sensor registration while transmitting its ID and the UID of the sensor device to the IoT server 100 (S520). Accordingly, the IoT server 100 verifies the validity of the sensor device (S530).
  • the IoT server 100 Upon successful verification, the IoT server 100 returns the sensor ID assigned to the sensor device to the IoT gateway 200 (S540), and the IoT gateway 200 delivers the sensor ID received from the IoT server 100 to the sensor device. (S550).
  • the IoT server 100 Upon verification failure, the IoT server 100 returns a verification failure result to the IoT gateway 200 (S560), and the IoT gateway 200 transmits the verification failure result received from the IoT server 100 to the sensor device ( S570).
  • FIG. 3 is a flow chart provided to explain an actuator device registration process.
  • the actuator device connected to the IoT gateway 200 requests registration while transmitting its UID to the IoT gateway 200 (S610).
  • the IoT gateway 200 requests the gateway-actuator registration while transmitting its ID and the UID of the actuator device to the IoT server 100 (S620). Accordingly, the IoT server 100 verifies the validity of the actuator device (S630).
  • the IoT server 100 Upon successful verification, the IoT server 100 returns the actuator ID assigned to the actuator device to the IoT gateway 200 (S640), and the IoT gateway 200 delivers the actuator ID received from the IoT server 100 to the actuator device. (S650)
  • the IoT server 100 Upon verification failure, the IoT server 100 returns a verification failure result to the IoT gateway 200 (S660), and the IoT gateway 200 transmits the verification failure result received from the IoT server 100 to the actuator device ( S670).
  • FIG. 4 is a detailed block diagram of the IoT gateway 200 shown in FIG. 1, and FIG. 5 is a detailed flowchart of the operation of the IoT gateway 200.
  • the IoT gateway 200 includes a communication unit 210, a processor 220, and a memory 230.
  • the communication unit 210 is a means for communication connection with the IoT server 100 and the IoT devices 311, 312, 313, 321, 322, 323.
  • the processor 220 collects data from the sensor devices 311, 312, and 313, stores the data in the memory 230 (S710, S720), and periodically transmits the stored data to the IoT server 100. (S730).
  • the processor 220 analyzes data stored in the memory 230 to control the actuator devices 321, 322, and 323 (S740 and S750).
  • the processor 220 processes commands received from the IoT server 100 or the user (S760, S770).
  • the command includes device inquiry, data inquiry, control, etc. for the IoT devices 311, 312, 313, 321, 322, 323.
  • FIG. 6 is a detailed block diagram of the IoT server 100 shown in FIG. 1, and FIG. 7 is a detailed flowchart of the operation of the IoT server 100.
  • the IoT server 100 includes a communication interface 110, a processor 120, and a DB 130, as shown in FIG. 6.
  • the communication interface 110 is a means for communication connection with the IoT gateway 200.
  • the processor 120 stores sensor data received from the IoT gateway 200 in the DB 130 (S810 and S820), and analyzes the stored data for the actuator devices 321, 322 and 323.
  • the control command is generated and transmitted to the IoT gateway 200 (S830 and S840).
  • the processor 120 processes commands transmitted directly from the user or through the IoT gateway 200 (S850 and S860).
  • the command includes device inquiry, data inquiry, control, etc. for the IoT devices 311, 312, 313, 321, 322, 323.
  • the IoT gateway functions as a local IoT server to receive / retain data from the sensor devices 311, 312, and 313, and share the received data through interworking with the IoT server.
  • the IoT server can query the IoT device in the local area, receive data, and perform control.
  • IoT gateways can provide IoT services just like IoT servers. That is, since the IoT gateway provides information and sensor data of the IoT device like the IoT server, it is possible to implement services in the local area such as local data analysis and local control.
  • the technical idea of the present invention can be applied to a computer-readable recording medium containing a computer program for performing the functions of the apparatus and method according to the present embodiment.
  • the technical idea according to various embodiments of the present disclosure may be implemented in the form of computer readable codes recorded on a computer readable recording medium.
  • the computer-readable recording medium can be any data storage device that can be read by a computer and can store data.
  • the computer-readable recording medium may be a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical disk, a hard disk drive, or the like.
  • the computer-readable code or program stored in the computer-readable recording medium may be transmitted through a network connected between the computers.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

Provided are an IoT service method in which a server-centric global IoT service and a gateway-centric local IoT service are combined and carried out at the same time, and an IoT system for employing the same. Thereby, an IoT device is able to utilize an IoT gateway as an IoT server without being directly connected to the IoT server, thus making it possible for data to be collected in the IoT gateway, so that an IoT service can also be performed in the IoT gateway without going through the IoT server.

Description

로컬 및 글로벌 IOT 서비스 동시 제공을 위한 IOT 게이트웨이IOT gateway for simultaneous local and global IOT service
본 발명은 IoT 관련 기술에 관한 것으로, 더욱 상세하게는 IoT 시스템을 활용하여 다양한 IoT 서비스를 제공하기 위한 IoT 시스템, 서버, 게이트웨이에 관한 것이다.The present invention relates to IoT-related technology, and more particularly, to an IoT system, a server, and a gateway for providing various IoT services by using an IoT system.
기존 IoT 서비스는 서버 중심형으로써, 서버에서 모든 IoT 데이터를 수집하고 이를 제공하는 구조이다. 이와 같은 서버 중심형 구조의 IoT 서비스는 IoT 디바이스에서 발생하는 대용량의 데이터를 적정하게 처리하는데 어려움이 있다.Existing IoT services are server-centric and collect all the IoT data from the server and provide it. Such a server-oriented IoT service has difficulty in properly processing a large amount of data generated from an IoT device.
나아가, 이와 같은 서버 중심형 구조의 IoT 서비스는 디바이스와 서버 간 네트워크 환경에 따라 서비스의 반응 속도가 매우 느려질 수 있다. 특히, 디바이스와 서버 사이에 게이트웨이가 마련되어 있는 경우에는, 게이트웨이의 데이터 중계로 인해 서비스 속도가 느려지는 문제가 있다.In addition, the IoT service of such a server-oriented structure may be very slow response of the service depending on the network environment between the device and the server. In particular, when the gateway is provided between the device and the server, there is a problem that the service speed is slowed down due to data relay of the gateway.
이에, IoT 디바이스의 데이터의 수집/처리의 적정성과 신속성을 확보하기 위해, 중심형 구조를 탈피한 새로운 구조의 IoT 서비스의 모색이 요원한 실정이다.Accordingly, in order to secure the adequacy and rapidity of data collection / processing of the IoT device, it is difficult to find a new structure of IoT service that deviates from the central structure.
본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은, 서버 중심형의 글로벌 IoT 서비스와 게이트웨이 중심형의 로컬 IoT 서비스를 복합적으로 병행하는 IoT 서비스 방법 및 이를 적용한 IoT 시스템을 제공함에 있다.The present invention has been made to solve the above problems, an object of the present invention, an IoT service method and a IoT system using a combination of server-oriented global IoT services and gateway-oriented local IoT services in parallel In providing.
상기 목적을 달성하기 위한 본 발명의 일 실시예에 따른 IoT 서비스 방법은 게이트웨이가, 센서 디바이스로부터 데이터들을 수집하는 단계; 게이트웨이가, 수집한 데이터들을 서버로 전달하는 단계; 및 게이트웨이가, 수집한 데이터들 중 특정 범위의 데이터만을 보유하는 단계;를 포함한다. IoT service method according to an embodiment of the present invention for achieving the above object comprises the steps of: collecting data from the sensor device; Forwarding, by the gateway, the collected data to the server; And retaining, by the gateway, only a specific range of data among the collected data.
본 발명에 따른 IoT 서비스 방법은 게이트웨이가, 액츄에이터 디바이스를 제어하는 제1 제어단계; 및 서버가, 액츄에이터 디바이스를 제어하는 제2 제어단계;를 더 포함할 수 있다. 이 때, 사용자 디바이스가, 서버 또는 게이트웨이에 액츄에이터 디바이스 제어를 요청하는 단계;를 더 포함할 수 있다.The IoT service method according to the present invention includes a first control step of a gateway controlling an actuator device; And a second control step of controlling, by the server, the actuator device. In this case, the user device may further include requesting control of the actuator device from the server or the gateway.
또한, 제1 제어단계는, 게이트웨이가, 보유하고 있는 특정 범위의 데이터만을 분석하여 액츄에이터 디바이스를 제어할 수 있다. In addition, the first control step may control the actuator device by analyzing only a specific range of data held by the gateway.
제2 제어단계는, 서버가, 게이트웨이로부터 전달받은 데이터들을 분석하여 액츄에이터 디바이스를 제어할 수 있다. In a second control step, the server may control the actuator device by analyzing data received from the gateway.
제1 제어단계는, 이상 발생에 대응하기 위해, 액츄에이터 디바이스를 제어하고, 제2 제어단계는, 정상 상태에서, 액츄에이터 디바이스를 제어할 수 있다. The first control step may control the actuator device in response to an abnormal occurrence, and the second control step may control the actuator device in a normal state.
전달단계는, 게이트웨이가, 수집한 데이터들을 서버로 간헐적으로 전달할 수 있다. In the transferring step, the gateway may intermittently transfer the collected data to the server.
특정 범위의 데이터는, 최근의 특정 시간 동안 수집한 데이터일 수 있다. The specific range of data may be data collected during a recent specific time.
게이트웨이가, 자신에 연결된 디바이스에 대한 조회를 처리하여 제공하는 단계; 및 서버가, 게이트웨이에 연결된 디바이스에 대한 조회를 처리하여 제공하는 단계;를 더 포함할 수 있다. Providing, by the gateway, an inquiry about a device connected to the gateway; And processing and providing, by the server, an inquiry about a device connected to the gateway.
한편, 본 발명의 다른 실시예에 따르면, 센서 디바이스 및 서버와 통신하는 통신부; 통신부를 통해 센서 디바이스로부터 데이터들을 수집하고, 수집한 데이터들을 서버로 전달하며, 수집한 데이터들 중 특정 범위의 데이터만을 보유하는 프로세서;를 포함하는 것을 특징으로 하는 게이트웨이가 제공된다. On the other hand, according to another embodiment of the present invention, a communication unit for communicating with the sensor device and the server; And a processor that collects data from the sensor device through the communication unit, transfers the collected data to the server, and holds only a specific range of data among the collected data.
또한, 본 발명의 또다른 실시예에 따르면, 서버가, 게이트웨이가 센서 디바이스로부터 수집한 데이터들을 전달받는 단계; 서버가, 전달받은 데이터들을 분석하여, 액츄에이터 디바이스를 제어하는 단계;를 포함하고, 게이트웨이는, 수집한 데이터들 중 특정 범위의 데이터만을 분석하여 액츄에이터 디바이스를 제어하는 것을 특징으로 하는 IoT 서비스 방법이 제공된다. Further, according to another embodiment of the present invention, the server, the gateway receives the data collected from the sensor device; The server includes analyzing the received data and controlling the actuator device, wherein the gateway analyzes only a specific range of data among the collected data to control the actuator device. do.
나아가, 본 발명의 또다른 실시예에 따르면, 게이트웨이와 통신하는 통신 인터페이스; 게이트웨이가 센서 디바이스로부터 수집한 데이터들을 통신 인터페이스를 통해 전달받아 분석하여, 액츄에이터 디바이스를 제어하는 프로세서;를 포함하고, 게이트웨이는, 수집한 데이터들 중 특정 범위의 데이터만을 분석하여 액츄에이터 디바이스를 제어하는 것을 특징으로 하는 서버가 제공된다. Furthermore, according to another embodiment of the present invention, a communication interface for communicating with a gateway; And a processor that receives and analyzes data collected from the sensor device through a communication interface and controls the actuator device, wherein the gateway analyzes only a specific range of data among the collected data to control the actuator device. A server is featured.
이상 설명한 바와 같이, 본 발명의 실시예들에 따르면, IoT 디바이스가 IoT 서버로 직접 연결하지 않고 IoT 게이트웨이를 서버와 같이 활용하여 IoT 게이트웨이에 데이터가 수집될 수 있게 되므로, IoT 서버를 거치지 않고 IoT 게이트웨이에서도 IoT 서비스가 가능해진다.As described above, according to embodiments of the present invention, since the IoT device does not directly connect to the IoT server, data may be collected in the IoT gateway by using the IoT gateway as a server, and thus, the IoT gateway does not go through the IoT server. IoT services are also possible.
IoT 게이트웨이가 로컬 영역에 존재하는 센서 디바이스의 데이터를 수집하고 제공함으로써 빠르고 적정하게 로컬 IoT 서비스를 제공할 수 있게 된다.IoT gateways collect and provide data from sensor devices in the local area to provide local IoT services quickly and appropriately.
또한, 본 발명의 실시예들에 따르면, IoT 게이트웨이 기반으로 로컬 영역에서 데이터를 수집하고 분석하기 때문에 IoT 서버의 부담을 줄일 수 있으며, 네트워크 부하를 낮출 수 있게 된다.In addition, according to embodiments of the present invention, since the data is collected and analyzed in the local area based on the IoT gateway, the burden on the IoT server may be reduced and the network load may be reduced.
그리고, 본 발명의 실시예들에 따르면, IoT 게이트웨이는 IoT 디바이스의 정보를 IoT 서버로 전달하기 때문에, IoT 서버에서도 로컬 IoT 디바이스의 정보를 조회하고 데이터를 수집하므로, IoT 서버를 통해 언제 어디서나 IoT 서비스를 제공하는 것이 가능하다.In addition, according to embodiments of the present invention, since the IoT gateway delivers information of the IoT device to the IoT server, the IoT server also inquires the information of the local IoT device and collects data, thereby enabling IoT services anywhere and anytime through the IoT server. It is possible to provide.
나아가, 본 발명의 실시예들에 따르면, IoT 서버는 장기간, 대용량의 센서 데이터가 저장되기 때문에 대용량 데이터 기반의 빅데이터 분석, 기계학습 등을 통한 깊이 있는 IoT 서비스 지원이 가능하다.Furthermore, according to embodiments of the present invention, since the IoT server stores sensor data of a large amount for a long time, it is possible to support IoT services in depth through big data analysis, machine learning, and the like based on large data.
도 1은 본 발명의 일 실시예에 따른 IoT 시스템의 블럭도,1 is a block diagram of an IoT system according to an embodiment of the present invention;
도 2는 센서 디바이스 등록 과정의 설명에 제공되는 순서도,2 is a flowchart provided to explain a sensor device registration process;
도 3은 액츄에이터 디바이스 등록 과정의 설명에 제공되는 순서도,3 is a flowchart provided to explain an actuator device registration process;
도 4는, 도 1에 도시된 IoT 게이트웨이의 상세 블럭도,4 is a detailed block diagram of the IoT gateway shown in FIG. 1;
도 5는 IoT 게이트웨이의 동작에 대한 상세 흐름도,5 is a detailed flowchart of the operation of the IoT gateway;
도 6은, 도 1에 도시된 IoT 서버의 상세 블럭도,6 is a detailed block diagram of the IoT server shown in FIG. 1;
도 7은 IoT 서버의 동작에 대한 상세 흐름도이다.7 is a detailed flowchart of the operation of the IoT server.
이하에서는 도면을 참조하여 본 발명을 보다 상세하게 설명한다.Hereinafter, with reference to the drawings will be described the present invention in more detail.
1. 로컬/글로벌 IoT 서비스 시스템1. Local / Global IoT Service System
도 1은 본 발명의 일 실시예에 따른 IoT 시스템의 블럭도이다. 본 발명의 실시예에 따른 IoT 시스템은, IoT 서버(100)에 의한 글로벌 IoT 서비스(410)와 IoT 게이트웨이(200)에 의한 로컬 IoT 서비스(420)를 동시에/함께 제공한다.1 is a block diagram of an IoT system according to an embodiment of the present invention. An IoT system according to an exemplary embodiment of the present invention provides a global IoT service 410 by the IoT server 100 and a local IoT service 420 by the IoT gateway 200 at the same time.
이와 같은 복합형 서비스를 제공하는 본 발명의 실시예에 따른 IoT 시스템은, 도 1에 도시된 바와 같이, IoT 서버(100), IoT 게이트웨이(200) 및 IoT 디바이스들(311,312,313,321,322,323)이 상호 통신가능하도록 연결되어 구축된다.IoT system according to an embodiment of the present invention that provides such a complex service, as shown in Figure 1, so that the IoT server 100, IoT gateway 200 and IoT devices (311, 312, 313, 321, 322, 323) can communicate with each other Are connected and built.
IoT 서버(100)는 IoT 게이트웨이(200)가 수집한 센서 디바이스들(311, 312, 313)의 데이터를 전달받아 저장하고, 저장된 데이터를 분석하여 액츄에이터 디바이스들(321,322,323)을 제어한다.The IoT server 100 receives and stores data of the sensor devices 311, 312, and 313 collected by the IoT gateway 200, and analyzes the stored data to control the actuator devices 321, 322, and 323.
IoT 서버(100)는 장기간 그리고 대용량의 센서 데이터들에 대해 빅데이터 분석, 기계학습 등을 통한 깊이 있는 분석을 기반으로, 액츄에이터 디바이스들(321,322,323)을 제어한다.The IoT server 100 controls the actuator devices 321, 322, 323 based on in-depth analysis through big data analysis, machine learning, etc. for long-term and large-scale sensor data.
단, IoT 게이트웨이(200)는 센서 디바이스들(311,312,313)로부터 수집한 데이터들을 실시간으로 전달하지 않고, 블럭 단위로 주기적/간헐적인 전달을 하기 때문에, IoT 서버(100)에 의한 액츄에이터 디바이스들(321,322,323)의 제어는 신속하지 못하다.However, the IoT gateway 200 does not transmit data collected from the sensor devices 311, 312, and 313 in real time, and performs periodic / intermittent transmission on a block basis, so that the actuator devices 321, 322, 323 by the IoT server 100 are provided. Control is not quick.
따라서, IoT 서버(100)에 의한 액츄에이터 디바이스들(321,322,323)의 제어는, 액츄에이터 디바이스들(321,322,323)을 통해 제어하고자 하는 장비/설비가 정상 상태인 경우, 즉, 이상 상태가 아닌 경우에 적합하다.Therefore, the control of the actuator devices 321, 322, 323 by the IoT server 100 is suitable when the equipment / facility to be controlled via the actuator devices 321, 322, 323 is in a normal state, that is, when the abnormal state is not abnormal.
IoT 게이트웨이(200)는 센서 디바이스들(311,312,313)로부터 수집한 데이터들을 IoT 서버(100)에 전달함에 앞서 자신의 저장공간에도 저장한다.The IoT gateway 200 stores the data collected from the sensor devices 311, 312, and 313 in its storage space before delivering the data to the IoT server 100.
단, IoT 게이트웨이(200)가 저장 공간에 보유하는 데이터는 최근 데이터, 이를 테면, 최근 3일 간의 데이터에 한정된다. 즉, IoT 게이트웨이(200)는 보유 기간이 경과한 데이터들을 주기적으로 저장공간에서 삭제한다.However, the data retained in the storage space by the IoT gateway 200 is limited to recent data, such as data of the last three days. That is, the IoT gateway 200 periodically deletes data whose retention period has elapsed from the storage space.
따라서, IoT 게이트웨이(200)는 최근/소량의 데이터만을 보유한다는 점에서, 장기간/다량의 데이터를 보유하는 IoT 서버(100)와 차이가 있다.Therefore, the IoT gateway 200 is different from the IoT server 100 having a long-term / a large amount of data in that it holds only a recent / small amount of data.
IoT 서버(100)와 마찬가지로, IoT 게이트웨이(200)도 자신이 보유하고 있는 센서 데이터들을 분석하여 액츄에이터 디바이스들(321,322,323)을 제어한다. 단, IoT 게이트웨이(200)는 최근/소량의 데이터만을 간단히 비교 분석하여 제어한다는 점에서, IoT 게이트웨이(200)에 의한 액츄에이터 디바이스들(321,322,323)의 제어는 신속한 반면 깊이 있는 분석에 기반한 제어는 불가능하다.Like the IoT server 100, the IoT gateway 200 controls the actuator devices 321, 322, 323 by analyzing sensor data held by the IoT gateway 200. However, since the IoT gateway 200 simply compares and controls only recent / a small amount of data, the control of the actuator devices 321, 322, and 323 by the IoT gateway 200 is quick, while control based on in-depth analysis is impossible. .
따라서, IoT 게이트웨이(200)에 의한 액츄에이터 디바이스들(321,322,323)의 제어는, 액츄에이터 디바이스들(321,322,323)을 통해 제어하고자 하는 장비/설비가 이상 상태인 경우, 즉, 고장이나 이상 데이터가 감지된 경우에 적합하다.Therefore, the control of the actuator devices 321, 322, 323 by the IoT gateway 200 is performed when the equipment / facility to be controlled through the actuator devices 321, 322, 323 is abnormal, that is, when a failure or abnormal data is detected. Suitable.
제어하고자 하는 장비/설비는, 이상 상태 발생시에 신속한 제어가 요구되는, 이를 테면, 교량일 수 있는데, 그 밖의 다른 종류의 장비/설비로 구현하는 경우도 본 발명의 기술적 사상이 적용될 수 있다.The equipment / facility to be controlled may be, for example, a bridge requiring rapid control when an abnormal condition occurs, and the technical spirit of the present invention may be applied to other types of equipment / facility.
사용자는 글로벌 IoT 서비스(410)는 물론 로컬 IoT 서비스(420)를 통해서도, 사용자의 요청/명령, 이를 테면, 디바이스 조회나 디바이스 데이터 조회, 디바이스 제어 명령을 입력할 수 있다.The user may input a user's request / command, such as device inquiry or device data inquiry or device control command, not only through the global IoT service 410 but also through the local IoT service 420.
글로벌 IoT 서비스(410)를 통한 사용자의 요청/명령은, IoT 서버(100)에 전달된다. 로컬 IoT 서비스(420)를 통한 사용자의 요청/명령은, IoT 게이트웨이(200)에 전달되거나 IoT 게이트웨이(200)를 통해 IoT 서버(100)에 전달될 수 있다.The request / command of the user through the global IoT service 410 is transmitted to the IoT server 100. The request / command of the user through the local IoT service 420 may be delivered to the IoT gateway 200 or to the IoT server 100 through the IoT gateway 200.
2. 센서 디바이스 등록2. Sensor device registration
이하에서, 센서 디바이스(311,312,313)의 등록 과정에 대해 도 2를 참조하여 상세히 설명한다. 도 2는 센서 디바이스 등록 과정의 설명에 제공되는 순서도이다.Hereinafter, a registration process of the sensor devices 311, 312, and 313 will be described in detail with reference to FIG. 2. 2 is a flowchart provided to explain a sensor device registration process.
도 2에 도시된 바와 같이, IoT 게이트웨이(200)에 연결된 센서 디바이스가 IoT 게이트웨이(200)에 자신의 UID를 전송하면서 등록을 요청한다(S510).As shown in FIG. 2, the sensor device connected to the IoT gateway 200 requests registration while transmitting its UID to the IoT gateway 200 (S510).
그러면, IoT 게이트웨이(200)는 자신의 ID와 센서 디바이스의 UID를 IoT 서버(100)에 전송하면서, 게이트웨이-센서 등록을 요청한다(S520). 이에, IoT 서버(100)는 센서 디바이스에 대한 유효성을 검증한다(S530).Then, the IoT gateway 200 requests the gateway-sensor registration while transmitting its ID and the UID of the sensor device to the IoT server 100 (S520). Accordingly, the IoT server 100 verifies the validity of the sensor device (S530).
검증 성공시, IoT 서버(100)는 센서 디바이스에 부여한 센서 ID를 IoT 게이트웨이(200)에 반환하고(S540), IoT 게이트웨이(200)는 IoT 서버(100)로부터 전달받은 센서 ID를 센서 디바이스에 전달한다(S550).Upon successful verification, the IoT server 100 returns the sensor ID assigned to the sensor device to the IoT gateway 200 (S540), and the IoT gateway 200 delivers the sensor ID received from the IoT server 100 to the sensor device. (S550).
검증 실패시, IoT 서버(100)는 IoT 게이트웨이(200)에 검증 실패 결과를 반환하고(S560), IoT 게이트웨이(200)는 IoT 서버(100)로부터 전달받은 검증 실패 결과를 센서 디바이스에 전달한다(S570).Upon verification failure, the IoT server 100 returns a verification failure result to the IoT gateway 200 (S560), and the IoT gateway 200 transmits the verification failure result received from the IoT server 100 to the sensor device ( S570).
3. 액츄에이터 디바이스 등록3. Actuator Device Registration
이하에서, 액츄에이터 디바이스(321,322,323)의 등록 과정에 대해 도 3을 참조하여 상세히 설명한다. 도 3은 액츄에이터 디바이스 등록 과정의 설명에 제공되는 순서도이다.Hereinafter, the registration process of the actuator devices 321, 322, 323 will be described in detail with reference to FIG. 3. 3 is a flow chart provided to explain an actuator device registration process.
도 3에 도시된 바와 같이, IoT 게이트웨이(200)에 연결된 액츄에이터 디바이스가 IoT 게이트웨이(200)에 자신의 UID를 전송하면서 등록을 요청한다(S610).As shown in FIG. 3, the actuator device connected to the IoT gateway 200 requests registration while transmitting its UID to the IoT gateway 200 (S610).
그러면, IoT 게이트웨이(200)는 자신의 ID와 액츄에이터 디바이스의 UID를 IoT 서버(100)에 전송하면서, 게이트웨이-액츄에이터 등록을 요청한다(S620). 이에, IoT 서버(100)는 액츄에이터 디바이스에 대한 유효성을 검증한다(S630).Then, the IoT gateway 200 requests the gateway-actuator registration while transmitting its ID and the UID of the actuator device to the IoT server 100 (S620). Accordingly, the IoT server 100 verifies the validity of the actuator device (S630).
검증 성공시, IoT 서버(100)는 액츄에이터 디바이스에 부여한 액츄에이터 ID를 IoT 게이트웨이(200)에 반환하고(S640), IoT 게이트웨이(200)는 IoT 서버(100)로부터 전달받은 액츄에이터 ID를 액츄에이터 디바이스에 전달한다(S650).Upon successful verification, the IoT server 100 returns the actuator ID assigned to the actuator device to the IoT gateway 200 (S640), and the IoT gateway 200 delivers the actuator ID received from the IoT server 100 to the actuator device. (S650)
검증 실패시, IoT 서버(100)는 IoT 게이트웨이(200)에 검증 실패 결과를 반환하고(S660), IoT 게이트웨이(200)는 IoT 서버(100)로부터 전달받은 검증 실패 결과를 액츄에이터 디바이스에 전달한다(S670).Upon verification failure, the IoT server 100 returns a verification failure result to the IoT gateway 200 (S660), and the IoT gateway 200 transmits the verification failure result received from the IoT server 100 to the actuator device ( S670).
4. IoT 게이트웨이4. IoT Gateway
도 4는, 도 1에 도시된 IoT 게이트웨이(200)의 상세 블럭도이고, 도 5는 IoT 게이트웨이(200)의 동작에 대한 상세 흐름도이다.4 is a detailed block diagram of the IoT gateway 200 shown in FIG. 1, and FIG. 5 is a detailed flowchart of the operation of the IoT gateway 200.
IoT 게이트웨이(200)는, 도 4에 도시된 바와 같이, 통신부(210), 프로세서(220) 및 메모리(230)를 포함한다.As illustrated in FIG. 4, the IoT gateway 200 includes a communication unit 210, a processor 220, and a memory 230.
통신부(210)는 IoT 서버(100) 및 IoT 디바이스(311,312,313,321,322,323)와 통신 연결을 위한 수단이다.The communication unit 210 is a means for communication connection with the IoT server 100 and the IoT devices 311, 312, 313, 321, 322, 323.
프로세서(220)는, 도 5에 도시된 바와 같이, 센서 디바이스들(311,312,313)로부터 데이터를 수집하여 메모리(230)에 저장하고(S710, S720), 저장된 데이터를 IoT 서버(100)에 주기적으로 전달한다(S730).As shown in FIG. 5, the processor 220 collects data from the sensor devices 311, 312, and 313, stores the data in the memory 230 (S710, S720), and periodically transmits the stored data to the IoT server 100. (S730).
또한, 프로세서(220)는 메모리(230)에 저장된 데이터를 분석하여 액츄에이터 디바이스들(321,322,323)을 제어한다(S740, S750).In addition, the processor 220 analyzes data stored in the memory 230 to control the actuator devices 321, 322, and 323 (S740 and S750).
아울러, 프로세서(220)는 IoT 서버(100)나 사용자로부터 수신되는 명령을 처리한다(S760, S770). 명령에는 IoT 디바이스(311,312,313,321,322,323)에 대한 디바이스 조회, 데이터 조회, 제어 등이 포함된다.In addition, the processor 220 processes commands received from the IoT server 100 or the user (S760, S770). The command includes device inquiry, data inquiry, control, etc. for the IoT devices 311, 312, 313, 321, 322, 323.
5. IoT 서버5. IoT Server
도 6은, 도 1에 도시된 IoT 서버(100)의 상세 블럭도이고, 도 7은 IoT 서버(100)의 동작에 대한 상세 흐름도이다.FIG. 6 is a detailed block diagram of the IoT server 100 shown in FIG. 1, and FIG. 7 is a detailed flowchart of the operation of the IoT server 100.
IoT 서버(100)는, 도 6에 도시된 바와 같이, 통신 인터페이스(110), 프로세서(120) 및 DB(130)를 포함한다.The IoT server 100 includes a communication interface 110, a processor 120, and a DB 130, as shown in FIG. 6.
통신 인터페이스(110)는 IoT 게이트웨이(200)와 통신 연결을 위한 수단이다.The communication interface 110 is a means for communication connection with the IoT gateway 200.
프로세서(120)는, 도 7에 도시된 바와 같이, IoT 게이트웨이(200)로부터 전달받은 센서 데이터들을 DB(130)에 저장하고(S810, S820), 저장된 데이터를 분석하여 액츄에이터 디바이스(321,322,323)에 대한 제어 명령을 생성하여 IoT 게이트웨이(200)에 전달한다(S830, S840).As shown in FIG. 7, the processor 120 stores sensor data received from the IoT gateway 200 in the DB 130 (S810 and S820), and analyzes the stored data for the actuator devices 321, 322 and 323. The control command is generated and transmitted to the IoT gateway 200 (S830 and S840).
아울러, 프로세서(120)는 사용자로부터 직접 또는 IoT 게이트웨이(200)를 통해 전달되는 명령을 처리한다(S850, S860). 명령에는 IoT 디바이스(311,312,313,321,322,323)에 대한 디바이스 조회, 데이터 조회, 제어 등이 포함된다.In addition, the processor 120 processes commands transmitted directly from the user or through the IoT gateway 200 (S850 and S860). The command includes device inquiry, data inquiry, control, etc. for the IoT devices 311, 312, 313, 321, 322, 323.
6. 변형예6. Modifications
금까지, 로컬 및 글로벌 IoT 서비스 동시 제공을 위한 IoT 게이트웨이에 대해 바람직한 실시예를 들어 상세히 설명하였다.Until now, the IoT gateway for simultaneously providing local and global IoT services has been described in detail with reference to a preferred embodiment.
본 발명의 실시예에 따른 IoT 게이트웨이는 로컬 IoT 서버와 같이 기능하여 센서 디바이스들(311,312,313)로부터 데이터를 수신/보유하는 한편, 수신한 데이터를 IoT 서버와의 연동을 통해 공유한다.The IoT gateway according to an embodiment of the present invention functions as a local IoT server to receive / retain data from the sensor devices 311, 312, and 313, and share the received data through interworking with the IoT server.
IoT 디바이스들의 정보와 센서 데이터를 IoT 게이트웨이와 IoT 서버가 공유하기 때문에, IoT 서버에서 로컬 영역의 IoT 디바이스를 조회하고 데이터를 수신하며 제어를 수행할 수 있다.Since the IoT gateway and the IoT server share information and sensor data of the IoT devices, the IoT server can query the IoT device in the local area, receive data, and perform control.
마찬가지로 IoT 게이트웨이에서도 IoT 서버와 같이 IoT 서비스를 제공할 수 있다. 즉, IoT 게이트웨이는 IoT 서버와 같이, IoT 디바이스의 정보와 센서 데이터를 제공하기 때문에 로컬 데이터 분석, 로컬 제어 등 로컬 영역에서의 서비스 구현이 가능하다.Similarly, IoT gateways can provide IoT services just like IoT servers. That is, since the IoT gateway provides information and sensor data of the IoT device like the IoT server, it is possible to implement services in the local area such as local data analysis and local control.
한편, 본 실시예에 따른 장치와 방법의 기능을 수행하게 하는 컴퓨터 프로그램을 수록한 컴퓨터로 읽을 수 있는 기록매체에도 본 발명의 기술적 사상이 적용될 수 있음은 물론이다. 또한, 본 발명의 다양한 실시예에 따른 기술적 사상은 컴퓨터로 읽을 수 있는 기록매체에 기록된 컴퓨터로 읽을 수 있는 코드 형태로 구현될 수도 있다. 컴퓨터로 읽을 수 있는 기록매체는 컴퓨터에 의해 읽을 수 있고 데이터를 저장할 수 있는 어떤 데이터 저장 장치이더라도 가능하다. 예를 들어, 컴퓨터로 읽을 수 있는 기록매체는 ROM, RAM, CD-ROM, 자기 테이프, 플로피 디스크, 광디스크, 하드 디스크 드라이브, 등이 될 수 있음은 물론이다. 또한, 컴퓨터로 읽을 수 있는 기록매체에 저장된 컴퓨터로 읽을 수 있는 코드 또는 프로그램은 컴퓨터간에 연결된 네트워크를 통해 전송될 수도 있다.On the other hand, the technical idea of the present invention can be applied to a computer-readable recording medium containing a computer program for performing the functions of the apparatus and method according to the present embodiment. In addition, the technical idea according to various embodiments of the present disclosure may be implemented in the form of computer readable codes recorded on a computer readable recording medium. The computer-readable recording medium can be any data storage device that can be read by a computer and can store data. For example, the computer-readable recording medium may be a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical disk, a hard disk drive, or the like. In addition, the computer-readable code or program stored in the computer-readable recording medium may be transmitted through a network connected between the computers.
또한, 이상에서는 본 발명의 바람직한 실시예에 대하여 도시하고 설명하였지만, 본 발명은 상술한 특정의 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진자에 의해 다양한 변형실시가 가능한 것은 물론이고, 이러한 변형실시들은 본 발명의 기술적 사상이나 전망으로부터 개별적으로 이해되어져서는 안될 것이다.In addition, although the preferred embodiment of the present invention has been shown and described above, the present invention is not limited to the specific embodiments described above, but the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

Claims (12)

  1. 게이트웨이가, 센서 디바이스들로부터 데이터들을 수집하는 단계;The gateway collecting data from sensor devices;
    게이트웨이가, 수집한 데이터들을 서버로 전달하는 단계; 및Forwarding, by the gateway, the collected data to the server; And
    게이트웨이가, 수집한 데이터들 중 특정 범위의 데이터만을 보유하는 단계; 를 포함하는 것을 특징으로 하는 IoT 서비스 방법.Retaining, by the gateway, only a specific range of data among the collected data; IoT service method comprising a.
  2. 청구항 1에 있어서,The method according to claim 1,
    게이트웨이가, 액츄에이터 디바이스를 제어하는 제1 제어단계; 및A first control step of the gateway controlling the actuator device; And
    서버가, 액츄에이터 디바이스를 제어하는 제2 제어단계;를 더 포함하는 것을 특징으로 하는 IoT 서비스 방법.The server further comprises a second control step of controlling the actuator device. IoT service method further comprises.
  3. 청구항 2에 있어서,The method according to claim 2,
    서버 또는 게이트웨이에 액츄에이터 디바이스 제어를 요청하는 단계;를 더 포함하는 것을 특징으로 하는 IoT 서비스 방법.Requesting control of an actuator device from a server or a gateway.
  4. 청구항 2에 있어서,The method according to claim 2,
    제1 제어단계는,The first control step,
    게이트웨이가, 보유하고 있는 특정 범위의 데이터만을 분석하여 액츄에이터 디바이스를 제어하는 것을 특징으로 하는 IoT 서비스 방법.The IoT service method, characterized in that the gateway controls the actuator device by analyzing only a specific range of data held.
  5. 청구항 4에 있어서,The method according to claim 4,
    제2 제어단계는,The second control step,
    서버가, 게이트웨이로부터 전달받은 데이터들을 분석하여 액츄에이터 디바이스를 제어하는 것을 특징으로 하는 IoT 서비스 방법.IoT server, characterized in that for controlling the actuator device by analyzing the data received from the gateway.
  6. 청구항 5에 있어서,The method according to claim 5,
    제1 제어단계는,The first control step,
    이상 발생에 대응하기 위해, 액츄에이터 디바이스를 제어하고,In order to respond to an abnormal occurrence, the actuator device is controlled,
    제2 제어단계는,The second control step,
    정상 상태에서, 액츄에이터 디바이스를 제어하는 것을 특징으로 하는 IoT 서비스 방법.IoT service method, characterized in that, in the steady state, controlling the actuator device.
  7. 청구항 6에 있어서,The method according to claim 6,
    전달단계는,The delivery step is
    게이트웨이가, 수집한 데이터들을 서버로 간헐적으로 전달하는 것을 특징으로 하는 IoT 서비스 방법.IoT service method characterized in that the gateway intermittently transfers the collected data to the server.
  8. 청구항 1에 있어서,The method according to claim 1,
    특정 범위의 데이터는,A specific range of data
    최근의 특정 시간 동안 수집한 데이터인 것을 특징으로 하는 IoT 서비스 방법.IoT service method characterized in that the data collected during a recent specific time.
  9. 청구항 1에 있어서,The method according to claim 1,
    게이트웨이가, 자신에 연결된 디바이스에 대한 조회를 처리하여 제공하는 단계; 및Providing, by the gateway, an inquiry about a device connected to the gateway; And
    서버가, 게이트웨이에 연결된 디바이스에 대한 조회를 처리하여 제공하는 단계;를 더 포함하는 것을 특징으로 하는 IoT 서비스 방법.The server, the IoT service method characterized in that it further comprises the step of providing a query for the device connected to the gateway.
  10. 센서 디바이스들 및 서버와 통신하는 통신부;A communication unit for communicating with sensor devices and a server;
    통신부를 통해 센서 디바이스들로부터 데이터들을 수집하고, 수집한 데이터들을 서버로 전달하며, 수집한 데이터들 중 특정 범위의 데이터만을 보유하는 프로세서;를 포함하는 것을 특징으로 하는 게이트웨이.And a processor that collects data from the sensor devices through the communication unit, transfers the collected data to the server, and holds only a specific range of data among the collected data.
  11. 서버가, 게이트웨이가 센서 디바이스들로부터 수집한 데이터들을 전달받는 단계;The server receiving the data collected by the gateway from the sensor devices;
    서버가, 전달받은 데이터들을 분석하여, 액츄에이터 디바이스를 제어하는 단계;를 포함하고,And analyzing, by the server, the received data and controlling the actuator device.
    게이트웨이는, 수집한 데이터들 중 특정 범위의 데이터만을 분석하여 액츄에이터 디바이스를 제어하는 것을 특징으로 하는 IoT 서비스 방법.Gateway, IoT service method characterized in that to control the actuator device by analyzing only a specific range of data collected from the data.
  12. 게이트웨이와 통신하는 통신 인터페이스;A communication interface in communication with the gateway;
    게이트웨이가 센서 디바이스들로부터 수집한 데이터들을 통신 인터페이스를 통해 전달받아 분석하여, 액츄에이터 디바이스를 제어하는 프로세서;를 포함하고,And a processor that receives and analyzes data collected from the sensor devices through a communication interface, and controls the actuator device.
    게이트웨이는, 수집한 데이터들 중 특정 범위의 데이터만을 분석하여 액츄에이터 디바이스를 제어하는 것을 특징으로 하는 서버.The gateway, the server characterized in that for controlling the actuator device by analyzing only a specific range of data collected.
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