KR101731450B1 - Monitering system for pipeline and monitering method - Google Patents
Monitering system for pipeline and monitering method Download PDFInfo
- Publication number
- KR101731450B1 KR101731450B1 KR1020150146737A KR20150146737A KR101731450B1 KR 101731450 B1 KR101731450 B1 KR 101731450B1 KR 1020150146737 A KR1020150146737 A KR 1020150146737A KR 20150146737 A KR20150146737 A KR 20150146737A KR 101731450 B1 KR101731450 B1 KR 101731450B1
- Authority
- KR
- South Korea
- Prior art keywords
- measurement data
- pipe
- sensor device
- data
- sensor
- Prior art date
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The present invention relates to a piping monitoring system and a piping monitoring method, in which at least one measurement data, which is installed at a part of a piping or near the piping and which indicates the integrity of the piping, is stored, At least one first pipe sensor device capable of wirelessly transmitting the first pipe sensor device; And to a first area within a wireless communication distance of the first pipe sensor device so as to receive the measurement data wirelessly transmitted from the first pipe sensor device, And a mobile node capable of storing the measurement data and moving to a gateway area or a connection area within a wireless communication distance of the gateway in order to transmit the measurement data to the monitoring server.
Description
The present invention relates to a piping monitoring system and a piping monitoring method, and more particularly, to a piping monitoring system and a piping monitoring method, in which, when a mobile node mounted on an automobile, a drone or the like, To a piping monitoring system and a piping monitoring method capable of performing subsequent processing.
There are various sensor data required to maintain the integrity of buried piping such as gas piping and water piping. It is possible to collect data from a server and analyze it by using real-time communication method such as 2G or 3G communication.
However, since data for maintenance of buried piping integrity is not information requiring real-time property, it may be inefficient to use real-time communication network.
In fact, the method of dislocation monitoring technology using 2G or 3G communication is very inefficient due to the high maintenance cost.
Sensor data collection technology using existing real-time communication network has a disadvantage that the cost of equipment production is high because expensive 2G or 3G communication module must be mounted on the sensor node. Therefore, there is a problem that when a sensor installed in a harsh outdoor environment is re-installed, the installation cost becomes high, and the repair time and repair cost increase.
Especially, since all the sensors use the communication network, the communication cost is increased due to the use of the communication network, and the maintenance cost is wasted.
However, since this health data is not a field requiring real-time property, the sensor data collection technology based on the real-time communication network is inefficient.
In addition, since there is no special standard technique for collecting sensor data, only the first supplier of the sensor can supply the sensor continuously, and the entire sensor system must be remodeled in the event of a problem of the company.
In order to solve such a conventional problem, a mobile node equipped with a mobile node capable of receiving data using WiFi communication is installed in a vehicle, and a simple patrol twice a day is carried out along a pipe of several kilometers, There have been attempts to develop piping monitoring technology using non real-time communication technology.
However, such a non-real-time communication technique is mainly a 1: 1 communication technology, in which a mobile node receives a large amount of data measured in one sensor and then moves to the next sensor, When problems arise, there is a problem that follow-up measures to cope with such problems are very delayed.
It is an object of the present invention to solve the above-mentioned problems and to provide a method and apparatus for managing the installation cost and maintenance of a sensor device without increasing the cost even if the length of the buried piping is increased by using the non- The cost can be greatly reduced and the efficiency of monitoring can be increased. In addition, when abnormality measurement data exceeding the reference value is detected, the priority between the data or the priority among the sensors is reset and the mobile node receives the data as soon as possible And to provide a piping monitoring system and a piping monitoring method that can be transmitted to a monitoring server. However, these problems are exemplary and do not limit the scope of the present invention.
According to an aspect of the present invention, there is provided a piping monitoring system including at least a part of piping or at least one measurement data which is installed near the piping and which indicates the integrity of the piping, At least one first pipe sensor device capable of wirelessly transmitting the measurement data; And to a first area within a wireless communication distance of the first pipe sensor device so as to receive the measurement data wirelessly transmitted from the first pipe sensor device, And a mobile node capable of storing the measurement data and moving to a gateway area or a connection area within a wireless communication distance of the gateway in order to transmit the measured data to the monitoring server, A sensor unit for generating measurement data; A data discrimination unit for discriminating whether the measured data is within a reference value; A data priority information resetting unit that sets the measurement data as abnormality measurement data when the measurement data deviates from a reference value and resets data priority information of the abnormality measurement data; And a transmission control unit for preferentially transmitting the abnormality measurement data having a higher rank to the mobile node according to the reset data priority information.
In addition, according to the present invention, the data priority information may include transmission order information indicating a transmission order between data so as to readjust the priority of important measurement data out of the plurality of measurement data out of the reference value have.
In addition, according to the present invention, when the abnormality measurement data is transmitted to the mobile node so that the mobile node from which the abnormal measurement data is collected can quickly move to another region, And a transmission stop control unit for stopping the transmission.
According to another aspect of the present invention, the first pipe sensor apparatus further comprises: an additional transmission control unit for, when the mobile node is re-entered into the first area, further transmitting the remaining measurement data to the mobile node, .
According to the present invention, the pipeline is a gas pipeline embedded in a basement, and the short-range wireless communication is a WiFi communication using a non-real-time 1: 1 communication technology (Delay Tolerance Network; DTN) Motorbike, bicycle, manned flight device, unmanned aerial vehicle, and drone.
According to the present invention, the sensor unit may select at least one of a system potential sensor unit, an AC interference sensor unit, a soil moisture sensor unit, a temperature sensor unit, and a humidity sensor unit using an Iot (Internet of Things) standard protocol Lt; / RTI >
Also, the piping monitoring system according to the present invention is characterized in that at least one measurement data indicating the health of the piping is stored in another part of the piping or in another part of the piping, Wherein the mobile node comprises a first area within a wireless communication distance of the first pipe sensor device and at least one second pipe sensor device within the wireless communication range of the first pipe sensor device, When the number of the sensor devices simultaneously entering and recognizing the second area within the communication distance is equal to or greater than two, the first pipe sensor device or the second pipe sensor device having a high priority according to the predetermined sensor priority information And a sensor priority information storage unit in which sensor priority information is stored so as to be wirelessly communicated first Can.
According to another aspect of the present invention, in the case where the measurement data of the first pipe sensor device or the second pipe sensor device in the course of communication is abnormality measurement data exceeding a reference value, A sensor priority information resetting unit for resetting sensor priority information of the first pipe sensor device or the second pipe sensor device having measurement data; And a priority communication controller for preferentially communicating with the first pipe sensor device or the second pipe sensor device with a higher priority according to the reset sensor priority information.
According to another aspect of the present invention, there is provided a method for monitoring a pipe, comprising the steps of: storing at least one measurement data indicative of the integrity of the pipe using a part of the pipe or a first pipe sensor device installed near the pipe; A piping sensing step of wirelessly transmitting the measurement data using short range wireless communication; And a second communication unit that can move to a first area within a wireless communication distance of the first pipe sensor unit and store the measurement data received and collected from the first pipe sensor unit, And a data reception step of receiving the measurement data wirelessly transmitted from the first pipe sensor device using a mobile node capable of moving to a gateway area or a connection area within a predetermined distance, A data discriminating step of discriminating whether data is within a reference value; A data priority resetting step of setting the measurement data as abnormality measurement data when the measurement data is out of the reference value and resetting the data priority information of the abnormality measurement data; And a data transmitting step of preferentially transmitting the abnormality measurement data having a higher rank to the mobile node according to the reset data priority information.
According to another aspect of the present invention, there is provided a method of controlling a flow rate of a fluid, comprising the steps of: receiving data from a first pipeline sensor device or a second pipeline sensor device adjacent to the first pipeline sensor device, Resetting sensor priority information of the first pipe sensor device or the second pipe sensor device having the abnormal measurement data; And a priority communication step of preferentially communicating with the first pipe sensor device or the second pipe sensor device having a higher rank according to the reset sensor priority information.
According to some embodiments of the present invention described above, even if the length of the buried piping is increased, the cost is not significantly increased, and the installation cost and maintenance cost of the sensor device can be greatly reduced, The mobile node can receive the data as soon as possible and transmit the data to the monitoring server. Therefore, the mobile node can transmit the data to the monitoring server, It is possible to receive the urgent data prior to other data and to process the urgent data afterwards in a quick manner. Of course, the scope of the present invention is not limited by these effects.
1 is a block diagram conceptually illustrating a piping monitoring system in accordance with some embodiments of the present invention.
2 is a schematic diagram of the piping monitoring system of FIG.
3 is a flow chart illustrating a method of monitoring a pipe in accordance with some embodiments of the present invention.
4 is a flowchart showing an example of the pipe monitoring method of FIG.
5-7 are schematic diagrams illustrating data received at a mobile node by a piping monitoring system in accordance with some embodiments of the present invention.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The embodiments of the present invention are described in order to more fully explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, It is not limited to the embodiment. Rather, these embodiments are provided so that this disclosure will be more thorough and complete, and will fully convey the concept of the invention to those skilled in the art. In the drawings, the thickness and size of each layer are exaggerated for convenience and clarity of explanation.
It is to be understood that throughout the specification, when an element such as a film, region or substrate is referred to as being "on", "connected to", "laminated" or "coupled to" another element, It will be appreciated that elements may be directly "on", "connected", "laminated" or "coupled" to another element, or there may be other elements intervening therebetween. On the other hand, when one element is referred to as being "directly on", "directly connected", or "directly coupled" to another element, it is interpreted that there are no other components intervening therebetween do. Like numbers refer to like elements. As used herein, the term "and / or" includes any and all combinations of one or more of the listed items.
Although the terms first, second, etc. are used herein to describe various elements, components, regions, layers and / or portions, these members, components, regions, layers and / It is obvious that no. These terms are only used to distinguish one member, component, region, layer or section from another region, layer or section. Thus, a first member, component, region, layer or section described below may refer to a second member, component, region, layer or section without departing from the teachings of the present invention.
Also, relative terms such as "top" or "above" and "under" or "below" can be used herein to describe the relationship of certain elements to other elements as illustrated in the Figures. Relative terms are intended to include different orientations of the device in addition to those depicted in the Figures. For example, if the element is inverted in the figures, the elements depicted as being on the upper surface of the other elements will have a direction on the lower surface of the other elements. Thus, the example "top" may include both "under" and "top" directions depending on the particular orientation of the figure. If the elements are oriented in different directions (rotated 90 degrees with respect to the other direction), the relative descriptions used herein can be interpreted accordingly.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a," "an," and "the" include singular forms unless the context clearly dictates otherwise. Also, " comprise "and / or" comprising "when used herein should be interpreted as specifying the presence of stated shapes, numbers, steps, operations, elements, elements, and / And does not preclude the presence or addition of one or more other features, integers, operations, elements, elements, and / or groups.
Hereinafter, embodiments of the present invention will be described with reference to the drawings schematically showing ideal embodiments of the present invention. In the figures, for example, variations in the shape shown may be expected, depending on manufacturing techniques and / or tolerances. Accordingly, the embodiments of the present invention should not be construed as limited to the particular shapes of the regions shown herein, but should include, for example, changes in shape resulting from manufacturing.
1 is a block diagram conceptually illustrating a
1 and 2, a
1 and 2, the first
More specifically, for example, the
Also, the short-range wireless communication may be a WiFi communication using a non-real-time 1: 1 communication technology (Delay Tolerance Network; DTN). The short-range wireless communication is a concept in which real-time communication networks such as 2G, 3G, LTE and wide broadband are excluded. In addition to the WiFi, various Bluetooth communication, infrared communication, ultrasonic communication, Communication, and NFC communication can all be applied. Therefore, the short-range wireless communication does not require a separate communication network, thereby greatly reducing the production cost and communication cost of the communication module.
In addition, the communication protocol of the short-range wireless communication can be made to be manufactured by any company using the Internet of Things (IoT) standard protocol, and when the trouble of the sensor manufacturing company occurs, it is re-implemented according to the standard protocol, none. If new sensor data is required, new sensor can be added at any time by implementing according to non real-time communication method.
1, the first
For example, as shown in FIG. 1, the
1, the
1, the data priority
Here, the data priority information may include transmission order information indicating a transmission order between the data so that the priority of important measurement data out of the plurality of measurement data can be readjusted.
1, the
1, the transmission
1, when the
Therefore, it is possible to generate the measurement data indicating the soundness of the
Then, according to the data priority information reset using the
In addition, when the abnormal measurement data is transmitted to the
1 and 2, the
Here, the
For example, as shown in FIG. 2, the
2, the second
1, the second
The
1, the
1, the sensor priority
1, the sensor priority
For example, as shown in FIG. 1, the priority
Accordingly, the
In addition, the
Therefore, as described above, even if the length of the
2, a plurality of sensor devices may be installed along the
That is, the
Finally, when the
Therefore, the remote state monitoring technology using non real-time communication technology passes through the sensor installed in the buried pipe and collects the health data at high speed. Finally, it connects to the DTN gateway and transmits all the health data to the monitoring server in a non- .
3 is a flow chart illustrating a method of monitoring a pipe in accordance with some embodiments of the present invention.
3, a piping monitoring method according to some embodiments of the present invention will be described in order. In the piping monitoring method according to some embodiments of the present invention, a part of the
Here, the pipe sensing step (S1) may include a data discriminating step (S11) of discriminating whether the measured data is within a reference value, and a step of setting the measured data as abnormality measurement data when the measured data deviates from a reference value (S12) of resetting data priority information and a data transmission step (S13) of preferentially transmitting the abnormality measurement data having a higher rank according to the reset data priority information to the mobile node .
In addition, the data receiving step S2 may be performed such that any one of the measurement data measured by the first
4 is a flowchart showing an example of the pipe monitoring method of FIG.
As shown in FIG. 4, in the pipeline monitoring process according to some embodiments of the present invention, when the
Then, if the number of the sensor devices recognized is two, for example, when the number of the sensors is determined to be the first
Alternatively, if there is a sensor that is out of the measurement data measured in the first
In addition, if there are remaining measurement data after receiving the abnormal measurement data first, it can be received at the next round of second round (S36).
5-7 are schematic diagrams illustrating data received at a mobile node by a piping monitoring system in accordance with some embodiments of the present invention.
5, when the priority of the first measurement sensor device 10 (hereinafter referred to as sensor 1) is high and the priority of the second measurement sensor device 20 (hereinafter, sensor 2) is low, Of the a, b, c, d, e, and f data of the sensor 2 exceeds the prudent safety value and i among the data of g, h, i, j, , The mobile node first receives the abnormal measurement data a in the
That is, in this case, when data exceeding the sound safety value exist in both the
For example, as shown in FIG. 6, even if the priority of the
That is, in this case, data exceeding the soundness safety value exists only in the sensor 2, the data up to the abnormal measurement data of the sensor 2 may be received preferentially, and the rest may be received according to the normal order. However, the technical spirit of the present invention is not limited to the drawings and can be applied to various cases.
7, even if the priority of the
That is, in this case, there are data exceeding the sound safety value only in the sensor 2, that is, when the abnormal measurement data of the sensor 2 is received with the highest priority, and the rest is received according to the normal order. However, the technical spirit of the present invention is not limited to the drawings and can be applied to various cases. However, the technical spirit of the present invention is not limited to the drawings and can be applied to various cases.
While the present invention has been described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.
Claims (10)
The first pipe sensor device can move to a first region within a wireless communication distance of the first pipe sensor device so as to receive the measurement data wirelessly transmitted from the first pipe sensor device, And a mobile node capable of storing the measurement data and moving to a gateway area or a connection area within a wireless communication distance of the gateway in order to transmit the measurement data to the monitoring server,
Wherein the first pipe sensor device comprises:
A sensor unit for generating at least one of the measurement data;
A data discrimination unit for discriminating whether the measured data is within a reference value;
A data priority information resetting unit that sets the measurement data as abnormality measurement data when the measurement data deviates from a reference value and resets data priority information of the abnormality measurement data; And
A transmission control unit that preferentially transmits up to the abnormal measurement data of the highest priority to the mobile node according to the reset data priority information;
And a pipeline monitoring system.
Wherein the data priority information includes transmission order information indicating a transmission order between the data so that the priority of important measurement data out of the plurality of measurement data can be readjusted.
Wherein the first pipe sensor device comprises:
A transmission stop control unit for stopping transmission of the other measurement data when the abnormal measurement data is transmitted to the mobile node so that the mobile node having collected the abnormal measurement data can quickly move to another area;
Wherein the piping monitoring system further comprises:
Wherein the first pipe sensor device comprises:
An additional transmission control unit for further transmitting the remaining measurement data to the mobile node when the mobile node is re-entered into the first area;
Wherein the piping monitoring system further comprises:
The pipe is a gas pipe embedded in the underground,
The short-range wireless communication is WiFi communication using a non-real-time 1: 1 communication technology (Delay Tolerance Network; DTN)
Wherein the mobile node is installed in at least one of a motor vehicle, a motorcycle, a bicycle, a manned flight device, an unmanned aerial vehicle, and a drone.
The sensor unit may include at least one of a system potential sensor unit, an AC interference sensor unit, a soil moisture sensor unit, an impact sensor unit, a temperature sensor unit, and a humidity sensor unit using an Iot (Internet of Things) standard protocol. Monitoring system.
At least one measurement data representative of the health of the pipeline and stored at another portion of the pipeline or other location of the pipeline, the at least one measurement data being wirelessly communicable using short- 2 pipe line sensor device,
The mobile node,
When the number of the sensor devices simultaneously entering and recognizing in the first area within the wireless communication distance of the first pipe sensor device and the second area within the wireless communication distance of the second pipe sensor device is at least two or more, A sensor priority information storage unit in which sensor priority information is stored so as to preferentially wirelessly communicate with the first pipe sensor unit or the second pipe sensor unit having a higher priority according to sensor priority information;
And a pipeline monitoring system.
The mobile node,
Wherein the first pipe sensor device or the second pipe sensor device having the abnormality measurement data when any one of the measurement data measured by the first pipe sensor device or the second pipe sensor device during communication is out of the reference value, A sensor priority information resetting unit for resetting sensor priority information of the second pipe sensor device; And
A priority communication controller for preferentially communicating with the first pipe sensor device or the second pipe sensor device having a higher rank according to the sensor priority information that is reset;
Wherein the piping monitoring system further comprises:
The wireless communication distance of the gateway to the first area within the wireless communication distance of the first pipe sensor device and the measurement data received and collected from the first pipe sensor device, And receiving the measurement data wirelessly transmitted from the first pipe sensor device using a mobile node capable of moving to a gateway area or a connection area within the first pipe sensor device,
In the piping sensing step,
A data discriminating step of discriminating whether the measured data is within a reference value;
A data priority resetting step of setting the measurement data as abnormality measurement data when the measurement data is out of the reference value and resetting the data priority information of the abnormality measurement data; And
A data transmitting step of preferentially transmitting up to the abnormal measurement data having a higher rank according to the data priority information that has been reset to the mobile node;
Wherein the piping monitoring method comprises the steps of:
The data receiving step includes:
When any one of the measurement data measured in the first pipe sensor device or the neighboring second pipe sensor device in the course of communication is abnormality measurement data that is out of the reference value, the first pipe sensor device or the second pipe sensor device having the abnormality measurement data Resetting sensor priority information of the second pipe sensor device; And
A priority communication step of preferentially communicating with the first pipeline sensor device or the second pipeline sensor device with a higher priority according to the sensor priority information that has been reset;
Further comprising the steps of:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150146737A KR101731450B1 (en) | 2015-10-21 | 2015-10-21 | Monitering system for pipeline and monitering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150146737A KR101731450B1 (en) | 2015-10-21 | 2015-10-21 | Monitering system for pipeline and monitering method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR101731450B1 true KR101731450B1 (en) | 2017-05-11 |
Family
ID=58741884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150146737A KR101731450B1 (en) | 2015-10-21 | 2015-10-21 | Monitering system for pipeline and monitering method |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR101731450B1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108345260A (en) * | 2018-02-08 | 2018-07-31 | 深圳智达机械技术有限公司 | A kind of gas ductwork monitoring system based on big data |
| KR101939975B1 (en) | 2018-08-24 | 2019-01-18 | 유니슨이테크(주) | Stabilizing System of Pipe using Power Plant |
| KR101956196B1 (en) * | 2017-11-28 | 2019-03-08 | 한빛이디에스(주) | Power distribution board monitoring system which can do iot network connection and data wireless informatization based on low specification |
| KR20200067286A (en) | 2018-12-03 | 2020-06-12 | 한국가스안전공사 | 3D scan and VR inspection system of exposed pipe using drone |
| KR20200067275A (en) | 2018-12-03 | 2020-06-12 | 한국가스안전공사 | Piping inspection and repair system using drone and MR technology |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100998953B1 (en) | 2010-06-29 | 2010-12-09 | 주식회사 거동기업 | Consolidated monitoring and control apparatus of heat tracing system using zigbee communication and method thereof |
-
2015
- 2015-10-21 KR KR1020150146737A patent/KR101731450B1/en active IP Right Grant
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100998953B1 (en) | 2010-06-29 | 2010-12-09 | 주식회사 거동기업 | Consolidated monitoring and control apparatus of heat tracing system using zigbee communication and method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101956196B1 (en) * | 2017-11-28 | 2019-03-08 | 한빛이디에스(주) | Power distribution board monitoring system which can do iot network connection and data wireless informatization based on low specification |
| CN108345260A (en) * | 2018-02-08 | 2018-07-31 | 深圳智达机械技术有限公司 | A kind of gas ductwork monitoring system based on big data |
| KR101939975B1 (en) | 2018-08-24 | 2019-01-18 | 유니슨이테크(주) | Stabilizing System of Pipe using Power Plant |
| KR20200067286A (en) | 2018-12-03 | 2020-06-12 | 한국가스안전공사 | 3D scan and VR inspection system of exposed pipe using drone |
| KR20200067275A (en) | 2018-12-03 | 2020-06-12 | 한국가스안전공사 | Piping inspection and repair system using drone and MR technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101731450B1 (en) | Monitering system for pipeline and monitering method | |
| EP3413596B1 (en) | Real-time location system network policy configuration control of fixed and mobile elements | |
| EP3060964B1 (en) | Field monitor collecting data from different wireless field device networks | |
| US7768394B2 (en) | System and apparatus for integrated location detection and wireless communications | |
| KR101353750B1 (en) | Autonomously traveling robot and control method thereof | |
| US20170332049A1 (en) | Intelligent sensor network | |
| EP2476034B1 (en) | System and method for the safe remote control of vehicles | |
| CN104794934A (en) | Server and parking space detection method and system | |
| US20190302805A1 (en) | System and method for operating drones under micro-weather conditions | |
| CN104569909A (en) | Indoor positioning system and method | |
| KR101515603B1 (en) | Plant network system | |
| KR20190102656A (en) | Menhole water measurement system | |
| KR102019755B1 (en) | System and method for tracking position of a worker | |
| KR101802612B1 (en) | System for monitoring movable robot | |
| KR101126929B1 (en) | Method of tracing object in surveilance camera system | |
| CN203188282U (en) | Tap water tube explosion monitoring system | |
| CN110891251A (en) | System for monitoring a line | |
| KR20120137906A (en) | Oil-pipeline securing system | |
| US20150043556A1 (en) | Enabling Communication Between Wireless Devices | |
| JP5471709B2 (en) | Communication system and communication method | |
| KR102160543B1 (en) | Integrated environmental monitoring system and data control method of the system | |
| JP5831565B2 (en) | In-vehicle communication device and roadside communication device | |
| KR101180330B1 (en) | Auto operating method for node movable on the water | |
| CN104536426A (en) | Sensor signal linkage and simulation system using networks | |
| JP2016213655A (en) | Information communication device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant |