KR101684427B1 - Landslide and Debris-flow Remote Monitoring System and the method thereof - Google Patents

Abstract

A remote monitoring system for a landslide and a debris flow of the present invention includes: a data logger which is installed in soil, and receives self-supporting power to measure rainfall and pore water pressure of the ground and transmit data; and a remote server which receives data regarding the measured rainfall and the pore water pressure of the ground to calculate a first pore water pressure increase rate by using precipitation duration time, rainfall intensity, and soil moisture percentage, and estimates a second pore water pressure increase rate after a predetermined time by using the calculated first pore water pressure increase rate to transmit a warning. The present invention can, in a mountainous area in which power is not constantly supplied, provide against a disaster by monitoring a possibility of a landslide or a debris flow occurring during sudden rainfall and heavy rainfall by using the relationship among rainfall, pore water pressure, and effective stress.

Description

[Background Art] Landslide and Debris-flow Remote Monitoring System and the Method Thereof [

The present invention relates to a system and method for remote monitoring of landslides and landslides, and more particularly, to the possibility of landslides and landslides occurring during sudden rainfall and heavy rainfall using the relationship between rainfall, pore water pressure and effective stress in mountainous areas, And a method for remote monitoring of landslides and landslides that can prepare for a disaster.

Landslide damage caused by domestic typhoon and intensive rainfall has been continuing since 2000. In particular, landslides and destruction of landslides occurred in Gangwon Province in 2006, resulting in loss of property. In 2011, There was a great deal of damage. According to the Forest Stewards Sustainable Information System Statistical Report, the restoration cost (KRW MN / ha) per damage has increased by about 10% every year since 2000.

Due to the increased damage caused by landslides and landslides, interest in the prevention and management of the earthquake disaster has increased, and construction of a disaster monitoring system for earthquake disaster has been ongoing since late 2000.

Landslides such as landslides and landslides are mostly urban areas and most of them occur during intensive rainfall. Japan, Hong Kong, and the United States have been establishing and operating an integrated management system for earthquake disaster warning and alarm systems before 2000, and are continuing to build systems in other countries.

Soil disaster monitoring system mainly performs rainfall measurement and installs inclinometer, pore water pressure meter, water meter, vibration meter etc. as needed. Increase in rainfall due to heavy rainfall increases pore water pressure in the soil and consequently causes landslide or soil erosion due to effective stress reduction. Since the decrease of effective stress due to the increase of water content in soil depends on the preceding rainfall time, rainfall intensity and geological characteristics, it is very difficult to detect the occurrence of landslides and soils by rainfall measurement alone. If a pore pressure meter, a water content and a vibration meter are installed, it corresponds to the result indicating the change of the ground condition due to rainfall. Therefore, when the landslide and the time of occurrence of the landslide are predicted only by these indicators, It is difficult to do.

In terms of power supply, the landslide and soil monitoring system constructed for each country is divided into a system that supplies external power (external power system) and a system that does not supply external power by using solar power (solar power system) . Since the external power supply system can supply enough power with the constant power supply, it is possible to simultaneously monitor various measurement items and camera images. However, when only the solar power supply system is used, only the measurement items with relatively low power consumption are monitored.

The system developed in Korea collects only rainfall and ground measurement items when using the solar power source, and the power is always used for the video surveillance using the camera. Since video information is the most reliable method to detect occurrence of landslides and landslides, video surveillance is a very important measurement item in the mountain area. However, if it is difficult to supply power at all times, video surveillance can not be performed.

The present invention proactively monitors the occurrence of landslides and landslides that occur during sudden rainfall and heavy rainfall using the relationship between rainfall, pore water pressure and effective stress in mountainous areas where power supply is impossible at all times, Monitoring system and method therefor.

According to an aspect of the present invention, there is provided a remote monitoring system for a landslide and a soil stone, the system comprising: a data logger for receiving data of a rainfall and a pore pressure of the ground, And calculating the first pore water pressure increase rate using the measured rainfall amount and the pore water pressure data of the ground by using the precipitation duration time, the rainfall intensity and the soil water content ratio, and using the calculated first pore water pressure increase rate, And a remote server for transmitting an alarm by predicting the 2 pore water pressure increase rate.

In particular, the data logger includes: power supply means for storing power generated by using sunlight or wind power to supply power; A measuring means installed in the soil to measure the ground condition and the soil stone and the landslide image and transmit the image information; Central processing means for receiving the ground information and image information measured by the measuring means and collecting measurement data, and for controlling the power supply means and the communication means; And communication means for transmitting the measurement data collected by the central processing means to a remote server.

In particular, the measuring means includes a rainfall sensor installed at a predetermined interval on the soil to measure the rainfall amount; A pore water pressure sensor installed at a predetermined interval on the soil to measure pore water pressure; And a camera unit for photographing and transmitting the state of the landslide and the landslide.

In particular, the power supply unit may include: a power generator for generating power using sunlight or wind power; A battery for storing power generated by the power generator; And a power module for controlling the produced power and monitoring the battery voltage.

In particular, the central processing means includes: a signal converting portion for converting the current signal measured by the measuring means into a digital signal; A central processing unit for controlling the measuring means and the communication means, receiving the ground information and the image information and collecting measurement data; A display unit for displaying the ground information and the battery condition measured by the measuring unit; And a memory for storing the measurement data measured by the measurement means.

Here, in particular, the communication unit may include: a communication manager for communicating with the measurement unit, the power supply unit, and the remote server, and controlling the high-speed communication module and the low-speed communication module; A high-speed communication module for transmitting the measurement data at high speed; And a low-speed communication module for transmitting the measurement data at low speed.

In particular, the remote server calculates the first pore water pressure increase rate in the current state by calculating the rainfall duration, the rainfall intensity and the soil water content ratio using the measurement data transmitted from the data logger, and calculates the first pore water pressure increase rate An analysis module for predicting a second pore pressure increase rate after a predetermined time; An alarm module for generating an alarm in response to the second pore pressure increase rate calculated by the analysis module; A database storing the measurement data transmitted from the data logger and the ground data including the rainfall duration, the rainfall intensity, the soil water content, the first pore water pressure increase rate, and the second pore water pressure increase rate calculated by the analysis module; And a web service unit for transmitting an alarm generated by the alarm module to an administrator.

In particular, the central processing means is characterized in that the power supply is controlled by switching the power supply of the power supply means to a power saving mode or a normal mode in response to a climate condition.

In particular, the central processing means is characterized in that it controls the data transmission period and the data transmission rate of the measurement data transmitted from the communication module.

According to another aspect of the present invention, there is provided a remote monitoring method for a landslide and a soil stone, comprising: measuring a ground condition of a soil by receiving an independent power source; Collecting the measured ground data and transmitting the collected ground data to a remote server; Calculating and analyzing a pore water pressure increase rate using the transmitted ground data; And transmitting an alarm to the manager corresponding to the analyzed pore water pressure increase rate.

Here, in particular, the step of measuring the ground condition is characterized by measuring the amount of rainfall and pore water pressure of the gravel, and photographing the state of the landslide and the landslide.

In particular, the stand-alone power source is characterized in that electric power is produced using sunlight or wind power and stored in a battery.

Here, in particular, the step of transmitting to the remote server is characterized in that the data transmission period and the data transmission rate of the measurement data are controlled and transmitted in response to the climate.

In particular, the analyzing step may include calculating the first pore water pressure increase rate in the current state by calculating the rainfall duration, the rainfall intensity, and the soil water content ratio using the measurement data of the ground condition, and using the first pore water pressure increase rate And the second pore water pressure increase rate after a predetermined time is predicted.

Here, the method further includes storing the measured data, particularly after the measuring step.

In particular, in transmitting the alarm to the manager, the generated alarm is transmitted to the manager using the web service.

The present invention can minimize the damage of life and property by sensing alarms and transmitting alarms several hours before landslides and landslides occur in a mountain where no power is always supplied.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing the configuration of a landslide and soil stone remote monitoring system according to an embodiment of the present invention; FIG.
2 is a view showing an example in which the landslide and landslide remote monitoring system of the present invention is installed.
FIG. 3 is a diagram illustrating a day / night image sensing result associated with rainfall of the present invention. FIG.
4 is a view showing the relationship between rainfall, pore water pressure and water content of the present invention.
5 illustrates fuzzy logic and criteria for application of alarm generation by pore water pressure of the present invention;
6 is a flowchart schematically illustrating a method for remotely monitoring landslides and landslides according to an embodiment of the present invention.

While the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and similarities. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following description of the present invention, detailed description of known related arts will be omitted when it is determined that the gist of the present invention may be unnecessarily obscured. In addition, numerals (e.g., first, second, etc.) used in the description of the present invention are merely an identifier for distinguishing one component from another.

Also, in this specification, when an element is referred to as being "connected" or "connected" with another element, the element may be directly connected or directly connected to the other element, It should be understood that, unless an opposite description is present, it may be connected or connected via another element in the middle.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a system and method for remotely monitoring landslides and landslides of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a view schematically showing a configuration of a landslide and soil stone remote monitoring system according to an embodiment of the present invention, and FIG. 2 is a view showing an example of installing a soil stone and landslide remote monitoring system of the present invention.

Referring to FIG. 1, the system includes a data logger 100 installed in the soil and measuring the rain water pressure and the pore water pressure of the ground by receiving the independent power source and transmitting the data, according to an embodiment of the present invention. And calculating the first pore water pressure increase rate using the measured rainfall amount and the pore water pressure data of the ground by using the precipitation duration time, the rainfall intensity and the soil water content ratio, and using the calculated first pore water pressure increase rate, And a remote server 300 that transmits an alarm by predicting the 2 pore water pressure increase rate. That is, the data logger 100 is responsible for collecting and processing sensor and camera information to transmit data to a remote server, and the remote server 200 may store and transmit information transmitted from the data logger 100, Analyze and provide information and send alarms.

The data logger 100 includes power supply means 110 for storing power generated by using sunlight or wind power to supply power; Measuring means (120) installed in the soil to measure the ground condition and the soil stone and the landslide image and transmit the image information; A central processing means (130) for receiving the ground information and image information measured by the measuring means (120) and collecting measurement data, and for controlling the power supply means (110) and the communication means (140); And communication means (140) for transmitting the measurement data collected by the central processing means (130) to a remote server.

The power supply unit 110 includes a power generator 111 for generating power using sunlight or wind power; A battery 112 for storing power generated by the power generator 111; And a power module 113 for controlling the produced power and monitoring the voltage of the battery 112. [

The power generation unit 111 generates electric power from a solar panel using solar light or generates electric power from a wind power generator. In other words, landslides and debris are mainly generated by rainfall, and the solar power is insufficient during the rainy season. Therefore, the wind power generator is used to supply the insufficient power, and in Cheongcheon, the power is generated by using the solar power to charge the battery.

The battery 112 serves to store power generated by the solar panel and the wind power generator in the battery.

The power module 113 monitors the battery voltage and controls the power generated by the solar panel and the wind power generator. Also, if the battery voltage drops below the reference voltage (22 ~ 23V), the alarm is sent to the remote server using the communication module so that the manager can take action.

The measuring unit 120 includes a rainfall sensor, a pore pressure sensor, and a camera unit.

The rainfall sensor 121 is installed at a predetermined interval on the soil to measure the amount of rainfall during rain.

The pore water pressure sensor 122 is installed at a predetermined interval on the soil to measure the pore water pressure. That is, by measuring the water pressure at each point, the flow of water per unit area can be known.

FIG. 3 is a view showing a main night image sensing result image associated with rainfall of the present invention. As shown in FIG. 3, the camera unit 123 photographs and transmits the daytime and nighttime states of the landslide and the landslide.

The central processing unit 130 includes a signal conversion unit 131, a central processing unit 132, a display unit 133 and a memory 134. The power of the power supply unit 110 is switched to a climate state The power management mode is controlled by switching to the power saving mode or the normal mode in response to the control signal, and the data transmission period and the data transmission speed of the measurement data transmitted from the communication module 140 are controlled.

The signal converting unit 131 amplifies the fine current signal generated by the rain sensor and the pore pressure sensor of the measuring unit 120 and converts the amplified fine current signal into a digital signal.

The central processing unit 132 controls the measuring unit 120 and the communication unit 140 and receives the ground information and image information to perform measurement data collection, screen display, communication control, alarm management, and data storage .

More specifically, the central processing unit 132 controls the power supply unit 110. Since the remote monitoring system does not use the normal power source, the power of the data logger 100 is minimized and managed. In other words, for efficient power management, for example, when the rain does not occur, the power of the data logger 100 is activated once per hour to collect the ground condition and image information and enter the power saving mode. When the rainfall per hour is 0.5 mm or less, the data logger 100 is operated once every 10 minutes to collect data. When the rainfall per hour exceeds 0.5 mm, information is collected in real time.

In addition, when the duration of the rainfall increases such as in the rainy season, the central processing unit 132 controls the communication unit 140 to increase the amount of image information to be transmitted. Therefore, the image uses a high-speed communication network, Low ground information uses low speed network.

When the battery voltage drops below the reference voltage, the central processing unit 132 calculates the battery usage time and then adjusts the data collection and communication cycle at intervals of 5 minutes to 1 hour.

The display unit 133 displays the ground information and the battery condition measured by the measuring unit 120.

More specifically, the display unit 133 displays the status of the data logger 100 and allows the user to adjust the main settings. The state of the data logger 100 is a battery voltage, a rainfall amount, a pore water pressure, a communication cycle, a memory capacity, etc., and a user can set a communication cycle and an alarm reference on the touch screen.

The memory 134 stores measurement data and image information of the ground information measured by the measuring unit 120 in real time.

The communication unit 140 communicates with the measurement unit 120, the power supply unit 110 and the remote server 200 and performs communications with the high speed communication module 142 and the low speed communication module 143 A management section 141, a high-speed communication module 142, and a low-speed communication module 143.

When the duration of the rainfall increases, such as the rainy season, the communication management unit 141 increases the amount of image information to be transmitted. Therefore, the high speed communication module 142, which is a high speed communication network, is used as the image, Speed communication module 143 which is a low-speed communication network. Here, when the communication cycle at the time of uncleanness is increased to one hour, the low-speed communication module 143, which is a low-speed communication network, is used. In other words, since the high-speed communication module is not used in the case of a small amount of data, the unnecessary use of the power can be minimized. When a problem occurs in one of the two communication modules, an alarm is generated and communication is performed using one communication module operating normally. If a problem arises in both communication modules, the measured information is stored in the memory and the stored information is transmitted to the remote server 200 after the communication is restored. At this time, if the battery voltage drops below the reference voltage, the battery use time can be calculated and the data collection and communication cycle can be adjusted from 5 minutes to 1 hour. In this way, the communication module can be controlled to improve the communication stability at the time of rainfall.

The remote server 200 includes an analysis module 210, an alarm module 220, a database 230, and a web service unit 240.

The analysis module 210 calculates the first pore water pressure increase rate in the current state by calculating the rainfall duration, the rainfall intensity, and the soil water content ratio using the measurement data transmitted from the data logger 100, The second pore water pressure increase rate after a predetermined time is predicted.

More specifically, the analysis module 210 estimates the rainfall and the ground conditions at the same time in order to predict with high reliability about the possibility of landslides and the occurrence of landslides.

4 is a view showing the relationship between rainfall, pore water pressure and water content of the present invention.

As shown in Fig. 4, it is possible to predict the relationship between the rain water pressure and the pore water pressure, which is the cause of reducing the ground effective stress. Generally, the relationship between the effective stress in the soil and the pore water pressure is defined as follows. Here, the pore water pressure refers to the upward water pressure of the water contained in the ground.

Equation 1

FIG. 4 shows that the pore water pressure in the ground rapidly increases after a certain level of rainfall duration (5 to 6 hours) and a rainfall intensity (1 mm / h or more) of about 5 to 6 hours. The water content also shows a tendency to increase under the same conditions, but the pore water pressure is 1 to 2 hours later than the rainfall intensity, and the slope is related to the soil properties.

Also, the first pore water pressure increase rate using the rainfall duration, the rainfall intensity, and the soil water content ratio can be expressed by the following equation (2).

Equation 2

here,

는 지반특성에 따라 0에서 1 사이의 값을 가지게 되며, 지반조사 및 실내실험을 통하여 결정하며, 강우지속시간, 한계 강우강도 및 토양함수비에 따른 간극수압 증가율을 추정한다. 상기 수식 2를 이용하여 강우지속시간, 강우강도 및 토양함수비를 측정한 후 향후 5~6시간 이후의 제2 간극수압증가율을 예측하게 된다.In Equation (2)

Is determined from soil investigation and laboratory tests, and the pore water pressure increase rate is estimated according to rainfall duration, marginal rainfall intensity, and soil moisture content. The rainfall duration, the rainfall intensity and the soil water content ratio are measured using Equation (2), and the second pore water pressure increase rate after 5 to 6 hours in the future is predicted.

5 is a diagram showing fuzzy logic and criteria for application of alarm generation by pore water pressure of the present invention.

As shown in FIG. 5, when the pore pressure increase rate is in the range from the normal range to the alarming range, the fuzzy logic is used to set the normal (30% or less), caution (30-70% And estimates the reliability (%) for each generation step. The fuzzy probability of each generation step is calculated using the following equation (3).

Equation 3

= 매개변수로써 기본 값은 각각 1이며, 현장조건에 따라 조절하여 사용하게 된다.here,

= Parameter, the default value is 1, and it is adjusted according to the field conditions.

The prediction through this analysis is the same as the probability of precipitation in the weather forecast. It provides a percentage of confidence in the probability of occurrence before the entry into the alert phase from normal to attention or attention, so that it can be recognized in advance It plays a role.

In response to the second pore pressure increase rate calculated by the analysis module 210, the alarm module 220 generates an alarm for the entry into the alarm phase from the normal state or the state of attention, and transmits an alarm.

The data base 230 is a data logger for storing the measurement data transmitted from the data logger and the ground data including the rainfall duration, the rainfall intensity, the soil water content, the first pore water pressure increase rate and the second pore water pressure increase rate calculated by the analysis module, / RTI >

The web service unit 240 transmits an alarm generated by the alarm module 220 to the manager. That is, when an alarm occurs, the alarm content is transmitted to the administrator through a text message or e-mail.

6 is a flowchart schematically illustrating a method of remotely monitoring a landslide and a soil stone according to an embodiment of the present invention. As shown in FIG. 6, in the method for remotely monitoring landslides and landslides according to an embodiment of the present invention, the ground state of the soil is measured by receiving a self-standing power source (S601).

More specifically, the measurement of the ground condition measures the amount of rainfall and pore water pressure of the earth, and the state of the landslide and the landslide is photographed with a camera to obtain image information.

Then, the measured data is stored (S602). Here, the stand-alone power source generates electric power by using sunlight or wind power and stores it in the battery.

Then, the measured ground data is collected and transmitted to a remote server (S603). Here, the data transmission period and the data transmission rate of the measurement data are controlled in accordance with the climate and transmitted.

More specifically, in order to efficiently manage the power of the remote monitoring system, the power source of the data logger 100 is activated once per hour to collect the ground condition and the image information and enter the power saving mode when the rain is not generated. When the rainfall per hour is 0.5 mm or less, the power of the data logger 100 is activated once every 10 minutes to collect data. When the rainfall per hour exceeds 0.5 mm, information is collected and transmitted in real time.

Also, when the duration of rainfall increases as in the rainy season, the amount of image information to be transmitted increases, so that the image uses the high-speed communication network and the low-capacity ground information uses the low-speed communication network. In other words, since the high-speed communication module is not used in the case of a small amount of data, the unnecessary use of the power can be minimized. When a problem occurs in one of the two communication modules, an alarm is generated and communication is performed using one communication module operating normally. If a problem arises in both communication modules, the measured information is stored in the memory and the stored information is transmitted to the remote server 200 after the communication is restored.

Next, a step of calculating and analyzing the pore water pressure increase rate using the transmitted ground data is performed (S604).

More specifically, the first pore water pressure increase rate in the current state is calculated by calculating the rainfall duration, the rainfall intensity, and the soil water content ratio using the measurement data of the ground condition, and the second pore water pressure increase rate Pore water pressure increase rate is predicted. Here, the calculation of the pore pressure increase rate using the ground data will be omitted with reference to the detailed description performed in the analysis module of FIG.

Finally, in step S605, an alarm is transmitted to the manager in response to the analyzed pore water pressure increase rate. Here, the generated alarm is transmitted to the manager using the web service. That is, when an alarm occurs, the alarm content is transmitted to the administrator through a text message or e-mail.

Therefore, according to the present invention, by using the relationship between rainfall, pore water pressure and effective stress in the mountainous area where the power supply is not always possible, it is possible to control the flow rate from 1 m / sec to 20 m / The possibility of landslides and the occurrence of landslides can be detected several hours before the evacuation of the affected area and preparation for protection.

The scope of the present invention is not limited to the above-described embodiments, but may be embodied in various forms of embodiments within the scope of the appended claims. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

100 --- Data logger 110 --- Power supply means
111 --- Power generator 112 --- Battery
113 --- Power module 120 --- Measuring means
121 --- Rainfall sensor 122 --- Pore pressure sensor
123 --- camera 130 --- central processing means
131 --- Signal conversion unit 132 --- Central processing unit
133 --- Display part 134 --- Memory
140 --- Communication means 141 --- Communication manager
142 --- High speed communication module 143 --- Low speed communication module
200 --- Remote Server 210 --- Analysis Module
220 --- Alarm module 230 --- Database
240 --- Web Service Department

Claims (16)

Data logger installed in soil and equipped with independent power source to measure rainfall amount and pore pressure of ground and transmit data; And
The first pore water pressure increase rate is calculated using the measured rainfall amount and the pore water pressure data of the ground using the precipitation duration time, the rainfall intensity, and the soil water content ratio, and the calculated first pore water pressure increase rate and the fuzzy logic And a remote server for transmitting an alarm by predicting a second pore water pressure increase rate of the second pore water pressure,
The data logger includes:
Power supply means for storing power generated by using sunlight or wind power to supply power;
A measuring means installed in the soil to measure the ground condition and the soil stone and the landslide image and transmit the image information;
Central processing means for receiving the ground information and image information measured by the measuring means and collecting measurement data, and for controlling the power supply means and the communication means; And
And communication means for transmitting the measurement data collected by the central processing means to a remote server
Wherein the central processing means includes a central processing unit for controlling the measuring means and the communication means and for collecting the measurement data by receiving the ground information and the image information and for controlling the communication means so that the rainfall duration is longer than a predetermined time Wherein the image information is transmitted using a high speed communication network and the ground information is transmitted using a low speed communication network.
delete The method according to claim 1,
Wherein the measuring means comprises:
A rainfall sensor installed at a predetermined interval on the soil to measure the rainfall amount;
A pore water pressure sensor installed at a predetermined interval on the soil to measure pore water pressure; And
And a camera unit for photographing and transmitting a state of landslide and landslide.
The method according to claim 1,
Wherein the power supply means comprises:
A power generator for generating power using sunlight or wind power;
A battery for storing power generated by the power generator; And
And a power module for controlling the produced electric power and monitoring the battery voltage.
The method according to claim 1,
The central processing means,
A signal converter for converting the current signal measured by the measuring unit into a digital signal;
A display unit for displaying the ground information and the battery condition measured by the measuring unit;
And a memory for storing measured data measured by said measuring means.
The method according to claim 1,
Wherein,
A communication manager for communicating with the measurement means, the power supply means, and the remote server, and controlling the high speed communication module and the low speed communication module;
A high-speed communication module for transmitting the measurement data at high speed; And
And a low speed communication module for transmitting the measurement data at a low speed.
The method according to claim 1,
The remote server comprising:
Calculating a first pore water pressure increase rate in a current state by calculating a rainfall duration time, a rainfall intensity, and a soil water content ratio using measurement data transmitted from the data logger, calculating a second pore water pressure increase rate after a predetermined time by using the first pore water pressure increase rate, An analysis module for predicting the growth rate;
An alarm module for generating an alarm in response to the second pore pressure increase rate calculated by the analysis module;
A database storing the measurement data transmitted from the data logger and the ground data including the rainfall duration, the rainfall intensity, the soil water content, the first pore water pressure increase rate, and the second pore water pressure increase rate calculated by the analysis module; And
And a web service unit for transmitting an alarm generated by the alarm module to an administrator.
The method according to claim 1,
Wherein the central processing unit controls the power management by switching the power supply of the power supply unit to the power saving mode or the normal mode in response to the climate condition.
The method according to claim 1,
Wherein the central processing means controls the data transmission period and the data transmission rate of the measurement data transmitted from the communication means.
Measuring the soil condition of the soil by supplying the independent power source;
Collecting the measured ground data and transmitting the collected ground data to a remote server;
Calculating a first pore pressure increase rate using the transmitted ground data and predicting and analyzing a second pore water pressure increase rate after a predetermined time using fuzzy logic; And
And transmitting an alarm to the manager in response to the analyzed pore water pressure increase rate,
Measuring the ground condition comprises:
Measuring the amount of rainfall and pore water pressure of the soil, and photographing the states of landslides and landslides,
The method of claim 1, further comprising the steps of: when the rainfall duration is greater than a predetermined time, transmitting the measured groundwater information including the rainfall amount of the soil, the pore water pressure related information,
Wherein the transmitting of the image information to the remote server comprises transmitting the image information using a high speed communication network and transmitting the ground information using a low speed communication network.
delete 11. The method of claim 10,
Wherein the stand-alone power source generates electric power by using sunlight or wind power and stores the electric power in a battery.
11. The method of claim 10,
Wherein the transmitting to the remote server comprises:
Wherein the data transmission period of the measurement data is controlled in response to the climate and transmitted.
delete 11. The method of claim 10,
After the measuring step,
Further comprising the step of storing the measured data. ≪ Desc / Clms Page number 19 >
11. The method of claim 10,
In the step of transmitting the alarm to the manager,
And transmitting the alert to the administrator using the web service.

Images