KR20170066994A - Disaster Warning System using M2M Wireless Communication - Google Patents

Disaster Warning System using M2M Wireless Communication Download PDF

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Publication number
KR20170066994A
KR20170066994A KR1020150173316A KR20150173316A KR20170066994A KR 20170066994 A KR20170066994 A KR 20170066994A KR 1020150173316 A KR1020150173316 A KR 1020150173316A KR 20150173316 A KR20150173316 A KR 20150173316A KR 20170066994 A KR20170066994 A KR 20170066994A
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South Korea
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data
vibration
type
alarm
displacement
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KR1020150173316A
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Korean (ko)
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KR101754937B1 (en
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이재진
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성창통신 주식회사
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/12—Measuring characteristics of vibrations in solids by using direct conduction to the detector of longitudinal or not specified vibrations
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/14—Central alarm receiver or annunciator arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0215—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H04W4/005—

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Alarm Systems (AREA)

Abstract

The present invention relates to a disaster alarm system using M2M wireless communication, which monitors the safety of bridges, tunnels, incision slopes, and the like by comparing the directions and intensities of vibrations with actual displacements and detects and warns of disaster risks such as earthquakes and landslides And provide a disaster alarm system using M2M wireless communication, in particular, to reduce network traffic by efficiently transmitting disaster related data based on M2M wireless communication.

Description

Disaster Warning System using M2M Wireless Communication [

The present invention relates to a disaster alarm system, and more particularly, to an emergency alarm system for detecting and warning a disaster by comparing the direction and intensity of vibration obtained through an oscillation accelerometer in real time with an actual displacement amount obtained from a displacement measurement system, And more particularly, to a disaster warning system using M2M wireless communication for efficiently transmitting disaster related data based on wireless communication to reduce network traffic.

Generally, the construction structure is aged as time elapses, and is subjected to loads that occur indiscriminately due to wind, earthquake, or vehicle over time, and the behavior of the structure also changes with time and acting load .

If the state of the structure is kept constant, the natural frequency, damping coefficient, mode shape, etc. of the target structure, which is expressed as the dynamic behavior of the structure, is kept constant and these structures are called the integral structure, Changes in the mass, stiffness, and other factors that reflect the characteristics of the structure are caused, and these changes cause a change in the dynamic characteristics of the prototype structure.

Therefore, if a system capable of constantly monitoring the dynamic characteristics of the structure is constructed, the state of the structure can be evaluated in real time, and stability can be ensured.

As large civil engineering structures such as high-rise buildings and long bridges are increasing, the role of the structure monitoring system is becoming important. In this regard, many studies have been attempted to implement a monitoring system. This monitoring technology maximizes the safety of structures and improves the safety of structures by measuring, analyzing and diagnosing the dynamic behavior of structures such as buildings and bridges.

However, in recent years, all national facilities have been required to construct a monitoring system such as an abnormal vibration acceleration measurement system. However, bridges, tunnels, incisions, And landslides are exposed to disaster risks. Therefore, it is necessary to take measures against such disasters.

On the other hand, intelligent communication, also called M2M (Machine to Machine) or O2N (Object to Object Intelligent Network), collects information detected by sensors in various devices through internet wired / It is applied to telematics, exercise, navigation, smart meter, vending machine, security service and so on.

Object intelligence communication is an intelligent service that intelligently collects and communicates information by imposing sensor communication function on all objects, and enables status recognition, location information and remote control / monitoring through various devices.

The next generation network infrastructure that can improve national competitiveness by creating new markets such as vehicle intelligence services, personalized services and smart security services by responding to rapidly changing mobile environment and future broadcasting communication demand and converging with various industries .

For example, in the case of a personalized service, it is possible to transmit personalized knowledge by recognizing an individual's symbolization pattern, and vehicle intelligence service can be performed by vehicle collision and traffic control, mobile diagnostic monitoring service, and the like. In addition, smart safety services can be provided by securing social safety nets through traffic, weather, environmental and disaster information monitoring.

As described above, the object intelligence communication enables a variety of M2M services such as situation recognition, position information acquisition, remote control / monitoring, and disaster information monitoring through various M2M devices. Due to the data transmission occurring in such various M2M devices The network traffic is overloaded.

Open Patent Publication No. 10-2009-0065694 (published on June 23, 2009)

Disclosure of Invention Technical Problem [8] The present invention has been made to solve the above-mentioned problems of the prior art, and an object of the present invention is to provide a method and apparatus for monitoring the safety of bridges, tunnels, incision slopes, In particular, the present invention provides a disaster alarm system using M2M wireless communication for efficiently transmitting disaster related data based on M2M wireless communication to reduce network traffic.

According to an aspect of the present invention, there is provided an emergency alarm system using M2M wireless communication, the system comprising: an oscillation accelerometer for measuring a direction and an intensity of a vibration of a structure in real time; A displacement measuring system for real-time measuring a displacement of the structure; A disaster alarm device for determining whether a disaster has occurred based on the measured direction and intensity data of the vibration and the comparison result between the measured displacement data and performing an alarm; And an M2M wireless communication device for transmitting the measured direction and intensity data of the vibration and the measured displacement data from the vibration accelerometer and the displacement measurement system to the emergency alarm device, An identity determining unit for comparing the preceding data and the following data with each other to determine whether they are the same or not; A data format generation unit for generating a data format of the following data in a first data format including all actual data or a second data format in which actual data is partially or entirely omitted, according to the determination result of the identity; And a data transmission unit for transmitting the data to the emergency alert device according to the generated data format.

The data format generator may include information on the length, start point, end point, and repeated time of the corresponding data repeated in the second data format and may skip the corresponding data if the same following data is repeated, The data transmission type can correspond to the state of the communication network.

The emergency alert device may be of a type (hereinafter referred to as a first type) for vibration direction and intensity, a type for displacement (second type, hereinafter), and an alarm type at a combination of the first type and the second type This set database; For detecting a corresponding alarm type from the database based on the direction and intensity data of the vibration measured in real time from the vibration accelerometer and the displacement data measured simultaneously from the displacement measurement system or the displacement data accumulated for a certain period of time from the same time An information search unit; And an alarm unit for performing an alarm according to the detected alert type.

The disaster alarm device can remotely communicate with the vibration accelerometer and the displacement measurement system according to the M2M wireless communication scheme.

As described above, according to various aspects of the present invention, it is possible to extract meaningful alarm type data from a database by comparing the direction and intensity of the vibration with the actual displacement amount. Therefore, safety monitoring for bridges, tunnels, incision slopes, And landslides can be detected and alarmed more precisely in advance.

In addition, when M2M network is constructed by disaster information monitoring, etc., it is possible to effectively reduce the data transmission size occurring in the corresponding M2M network, thereby improving the data transmission speed and reducing the network investment cost by preventing the network traffic from being overloaded have.

1 is a configuration diagram of a disaster alarm system using M2M wireless communication according to an embodiment of the present invention;
Fig. 2 is a configuration diagram of the emergency alert system of Fig. 1,
3 is a configuration diagram of the M2M wireless communication apparatus of Fig. 1,
4 is a configuration diagram of a first data format according to an embodiment of the present invention;
5 is a configuration diagram of a second data format according to an embodiment of the present invention;
6 is a flowchart of an emergency alert method using M2M wireless communication according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, like reference numerals are used to denote like elements in the drawings, even if they are shown in different drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

FIG. 1 is a block diagram of a disaster warning system using an M2M wireless communication according to an embodiment of the present invention. As shown in the figure, a communication network 1, a disaster alarm device 2, an M2M wireless communication device 3, An oscillation accelerometer 4, and a displacement measurement system 5.

The communication network 1 may be any single or multiple network capable of communicating between the disaster alarm device 2, the vibration accelerometer 4 and the displacement measurement system 5 by wire, wireless and / or internet It may be a good network, for example, to allow a distress alarm to (2) remotely communicate with the vibration accelerometer 4 and the displacement measurement system 5 in accordance with a M2M (Machine to Machine) wireless communication scheme.

The disaster alarm device 2 is for generating meaningful data related to the disaster alarm information by comparing the direction and intensity data of the vibration of the structure or the terrain with the GPS displacement data. For example, It is possible to determine whether or not a disaster has occurred based on the direction and intensity data of the measured vibration and the comparison result between displacement data measured from the displacement measurement system 5 at the same time and to perform an alarm.

The M2M wireless communication apparatus 3 is an apparatus for performing data communication between the vibration accelerometer 4 and the displacement measurement system 5 and the emergency alarm apparatus 2 in accordance with the M2M wireless communication system, The direction and intensity data of the vibration and the displacement data measured by the displacement measurement system 5 can be transmitted from the vibration accelerometer 4 and the displacement measurement system 5 to the emergency alert system 2. [

The vibration accelerometer 4 measures the direction and intensity of the vibration in real time when the structure or the topography vibrates and measures the direction and intensity data of the measured vibration through the communication network 1 in real time Lt; / RTI >

The displacement measurement system 5 represents a GPS-based external displacement measurement system for real-time measurement of a displacement of a structure or a terrain. The measured displacement data can be transmitted in real time to the disaster alarm device 2 via the communication network 1 .

2 is a block diagram of the emergency alert apparatus 2 of FIG. 1. As shown in FIG. 2, the emergency alert apparatus 2 may include a database 21, an information search section 23, and an alarm section 25.

The database 21 stores simulation results such as a simulation of the type of the direction and intensity of vibration (hereinafter referred to as first type), the type of displacement (second type, hereinafter), and the combination of the first type and the second type For example, when the vibration accelerometer 4 detects one of the first types of intense vibrations of a certain intensity or more in the north-south direction or at a point of time when it is accumulated for a certain period of time from this point of time If the GPS displacement measurement system (5) is one of the second type, when a displacement of more than a certain magnitude occurs in the north-south direction or the other direction, the result of the simulation for the earthquake or the like may affect the terrain or structure If it is determined that a rapid response is needed, the database can be constructed in such a manner that an alarm type capable of generating an alarm is set.

For example, in this embodiment, if the first type of information includes N types such as A, B, and the second type of information is set to include M types such as a, b, c, etc., Can construct a database set to NxM types such as Aa, Ab, Ac, Ba, Bb, Bc, and the like.

The information searching section 23 is configured to calculate the direction and intensity data of the vibration measured in real time from the vibration accelerometer 4 and the displacement data measured simultaneously from the displacement measuring system 5 or the displacement data cumulatively measured for a predetermined time from the same time For example, information of the first type corresponding to the direction and intensity data of the vibration sensed at a specific point in time, or at a point of time when the point of time is accumulated Information on the alert type can be searched from the database 21 based on the second type of information corresponding to the displacement data.

The alarm unit 25 is for performing an alarm according to the alarm type searched through the information searching unit 23. The alarm type Aa is a landslide risk alarm, Ab is an earthquake warning, Ba is a risk of collapse of a structure due to an earthquake, A steady state alarm or the like may be generated.

3 is a block diagram of the M2M wireless communication apparatus 3 shown in Fig. 1, which includes the identity determination unit 31, the data format generation unit 33, and the data transmission unit 35 .

The identity determiner 31 is used to check whether there is repeated data among full data to be transmitted or transmitted to the emergency alert device 2. For example, (Repeatability), and it is possible to set the above-mentioned predetermined unit based on various criteria such as a certain time unit, a predetermined data size unit, a certain word unit, or a certain sentence unit.

The data format generation unit 33 determines whether or not the data format is changed according to the data transmission type received from the emergency alert apparatus 2 and, when the data format is changed, (FIG. 4) in which all the actual data is included, or the second data format (FIG. 5) in which the actual data is partially or completely omitted from the first data format .

FIG. 4 illustrates an example of a format of a full data packet including all the actual data in the first data format according to the embodiment of the present invention. As shown in FIG. 4, a packet header A device ID field, a data length field, and an instruction field, and also includes a date, month, day, hour, minute, speed, Rpm, And may include a plurality of data fields for recording actual data of a digital vehicle traffic recorder such as device state, latitude (GPS), longitude (GPS), and direction.

FIG. 5 shows an example of a format of a partial data packet in which the actual data is partially or completely omitted in the second data format according to the embodiment of the present invention. As shown in FIG. 5, A data length field, and a command field, and also includes a format type, a data length, a start address, and a start address field instead of omitting the actual data. A field for recording information such as a byte, a byte, a data generation time, and the like.

In this embodiment, for example, when the format type is '0', the full data packet as shown in FIG. 4 is transmitted. When the format type is '1', the partial data packet is transmitted as shown in FIG. And 15 bytes of the same data length can indicate that there is 15 bytes of the same data in the trailing data as compared with the preceding data transmitted in the past.

That is, when the same subsequent data is repeated, the data format generator 33 according to the present embodiment sets the information on the length, start point, end point, and repeated time of the repeated data to the same A data length field, a start byte field, an end byte field, and a data generation time can be recorded, and the corresponding data repeatedly can be omitted .

The data format generator 33 may determine whether to change the data format according to the data transfer type received from the emergency alert device 2. For example, if the data transfer type is the desired information, The first data format is generated without changing the format, and if the data transmission type is the desired information, the first data format and the second data format are selectively generated according to the identity, that is, the data format is changed Can be generated. In the present embodiment, the above-described data transmission type can be set differently depending on the state of the communication network 1. [

The data transfer unit 35 according to the present embodiment is for transferring corresponding data to the emergency alert apparatus 2 according to the data format generated by the data format generator 33. [

FIG. 6 is a flowchart of an emergency alert method using the M2M wireless communication according to an embodiment of the present invention. The operation of the emergency alert apparatus 2 of FIG.

First, the disaster alarm device 2 is connected to the vibration accelerometer 4 and the displacement measurement system 5 in real time (in a state where the database 21 of FIG. 2 is established) The direction and intensity data of the vibration measured from the vibration accelerometer 4 are received in real time (S63), and the displacement data measured from the displacement measurement system 5 is received in real time (S65).

Next, the information searching unit 23 of the emergency alarm device 2 searches for a first type (for example, A, B, etc.) corresponding to the direction and intensity data of the vibration received in real time from the vibration accelerometer 4 in step S63, And a second type (e.g., a, b, c, etc.) corresponding to the displacement data measured and received from the displacement measurement system 5 at step S65 or the displacement data cumulatively measured and received for a predetermined period of time from the same time (For example, Aa, Ab, Ac, Ba, Bb, Bc, etc.) from the database 21 based on the alarm type

Finally, the alarm unit 25 of the disaster alarm device 2 performs an alarm according to the alarm type searched through the information searching unit 23 in step S67. For example, when the alarm type is Aa, In the case of Ab, it is possible to generate an earthquake warning. In case of Ba, it may cause a risk of collapse of the structure due to an earthquake. In case of Bc, it may cause a steady state alarm.

As described above, the disaster alarm device 2 according to the embodiment of the present invention is configured such that, when the vibration accelerometer 4 senses the vibration of the setting intensity in the north-south direction, the GPS displacement measuring system 5 moves in the north-south direction Or other related direction, it can be determined that the impact such as an earthquake has affected the topography or the structure, and it is possible to generate an alarm that needs quick response.

For example, when a large-scale vibration wave such as an earthquake occurs, a displacement related to the vector direction of the vibration acceleration may occur. Therefore, it is possible to determine the type of alarm according to the relationship between the direction / The information can be pre-set in the database so that a real-time alarm can be triggered in the event of a danger.

The disaster alarm device 2 according to the embodiment of the present invention also includes a vibration accelerometer 4 that reflects the characteristics of the vibration accelerometer 4 capable of real time measurement and the GPS displacement measurement system 5 requiring cumulative data After the occurrence of a specific vibration, the GPS instrument (5) changes the cumulative time such as 15 minutes, 1 hour, 3 hours, etc. to check the alarm within a large error within 15 minutes. If a large displacement is already observed, If it is within the tolerance range, it can generate alarm after 1 hour, 3 hours and so on.

Meanwhile, according to the disaster alarm method using the above-mentioned M2M wireless communication, a computer-readable recording medium on which a program for causing the computer to execute the method can be implemented.

In addition, according to the disaster alarm method using the above-described M2M wireless communication, an application stored in a computer-readable recording medium can be implemented in order to execute the method in combination with hardware.

In addition, according to the disaster alarm method using the above-mentioned M2M wireless communication, a computer program stored in a computer-readable recording medium can be implemented to cause the computer to execute the method.

For example, as described above, the vibration acceleration and the displacement measurement based emergency alarm method according to the embodiment of the present invention may be applied to a computer-readable recording medium including program instructions for performing various computer- Can be implemented as a stored application. The computer-readable recording medium may include a program command, a local data file, a local data structure, or the like, alone or in combination. The recording medium may be those specially designed and constructed for the embodiments of the present invention or may be those known to those skilled in the computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape, optical recording media such as CD-ROMs and DVDs, magneto-optical media such as floppy disks, and ROMs, And hardware devices specifically configured to store and execute the same program instructions. Examples of program instructions may include machine language code such as those generated by a compiler, as well as high-level language code that may be executed by a computer using an interpreter or the like.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

1: Network
2: Disaster alarm system
3: M2M wireless communication device
4: Vibration accelerometer
5: Displacement measurement system
21: Database
23: information search section
25: Alarm section
31:
33: Data format forming section
35: Data transfer unit

Claims (6)

A vibration accelerometer for real-time measurement of the direction and intensity of the vibration in the vibration of the structure;
A displacement measuring system for real-time measuring a displacement of the structure;
A disaster alarm device for determining whether a disaster has occurred based on the measured direction and intensity data of the vibration and the comparison result between the measured displacement data and performing an alarm; And
And an M2M wireless communication device for transmitting the measured direction and intensity data of the vibration and the measured displacement data from the vibration accelerometer and displacement measurement system to the emergency alert device,
The M2M radio communication apparatus includes:
An identity determination unit for comparing the preceding data and the succeeding data with each other in a predetermined unit to determine whether they are the same or not;
A data format generation unit for generating a data format of the following data in a first data format including all actual data or a second data format in which actual data is partially or entirely omitted, according to the determination result of the identity; And
A data transfer unit for transmitting the data to the emergency alert device according to the generated data format;
And an emergency alert system using the M2M wireless communication. The method according to claim 1,
Wherein the data format generator includes information on a length, a starting point, an ending point, and a repeated time of the corresponding data repeated in the second data format and repeats the corresponding data if the same following data is repeated. Disaster alarm system using communication. The method according to claim 1,
Wherein the data format generation unit determines whether to change the data format according to the data transmission type received from the M2M server. The method of claim 3,
Wherein the data transmission type corresponds to a state of a communication network. The method according to claim 1,
The disaster alarm device includes:
A database for setting a type (hereinafter referred to as a first type) for the direction and intensity of vibration, a type for displacement (second type, hereinafter), and an alarm type for the combination of the first type and the second type;
For detecting a corresponding alarm type from the database based on the direction and intensity data of the vibration measured in real time from the vibration accelerometer and the displacement data measured simultaneously from the displacement measurement system or the displacement data accumulated for a certain period of time from the same time An information search unit; And
And an alarm unit for performing an alarm according to the searched alarm type. The method according to claim 1,
Wherein the disaster alarm device performs remote wireless communication in accordance with the M2M wireless communication method with the vibration accelerometer and the displacement measurement system.
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CN108643930A (en) * 2018-05-08 2018-10-12 中铁工程装备集团有限公司 A kind of TBM constructing tunnels real time early warning method
CN109163696A (en) * 2018-08-02 2019-01-08 中铁科学研究院有限公司深圳分公司 The prediction on a kind of side, Landslide Deformation failure mode differentiates new method and new equipment
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CN109724558A (en) * 2019-01-03 2019-05-07 浙江华咨结构设计事务所有限公司 A kind of static strain analysis system
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CN108643930A (en) * 2018-05-08 2018-10-12 中铁工程装备集团有限公司 A kind of TBM constructing tunnels real time early warning method
CN108643930B (en) * 2018-05-08 2020-02-07 中铁工程装备集团有限公司 Real-time early warning method for TBM tunnel construction
CN109163696A (en) * 2018-08-02 2019-01-08 中铁科学研究院有限公司深圳分公司 The prediction on a kind of side, Landslide Deformation failure mode differentiates new method and new equipment
KR20220073462A (en) * 2020-11-26 2022-06-03 주식회사 시너젠 Earthquake early warning system using sensor network based upon Internet of small things

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