KR100939923B1 - Danger detection method based global positioning system and system for executing the method - Google Patents

Abstract

A GPS based risk detection method and a risk detection system are disclosed. GPS-based risk detection method comprising the steps of registering the user's driving information; Recording a movement trajectory of the user corresponding to the driving information through a global positioning system (GPS) based wireless terminal; And detecting a risk of the user based on the recorded movement trajectory.

GPS, wireless terminal, navigation, self-defense, danger, notification, trajectory, travel time, travel distance, location information

Description

DPS-based risk detection method and system for performing the method {DANGER DETECTION METHOD BASED GLOBAL POSITIONING SYSTEM AND SYSTEM FOR EXECUTING THE METHOD}

The present invention relates to a user risk detection system of a mobile terminal, and more particularly, a risk detection method for recognizing and automatically notifying a user's risk using movement trajectory data of a terminal based on a global positioning system (GPS). And to the system.

Recently, with the development of global positioning system (GPS) technology using satellites, it is widely used by the general public, from military use to navigation devices of aircraft, ships, and automobiles.

With the development of Location Based Service technology and Geographical Information System technology in conjunction with GPS technology, it is possible to grasp the location and surrounding information of a person anytime, anywhere, or to be provided with a route to a destination. . For example, by attaching a GPS transceiver to a vehicle, the camera may be provided with speeding camera location information and various road information.

Recently, due to the convenience of the portable terminal, the use of the mobile terminal is rapidly increased, and the GPS function may be embedded in the wireless terminal to identify its own location information and receive various services based on the location information.

When the GPS-based wireless terminal is applied to a system and a service for notifying a user's risk, location information of the user carrying the wireless terminal can be tracked.

Worse yet, the existing GPS-based risk notification system notifies the security guard company with the location information of the wireless terminal when the user enters a specific button or a predefined command when the user is in danger. It's just a way to do it.

However, since the conventional risk notification system is a method of informing a user of a risk by operating a terminal, there is a critical problem in that a risk notification is not made when the user does not directly operate the terminal due to actual danger.

The present invention provides a risk detection method and system for detecting a user's risk of a wireless terminal based on GPS even when there is no user's manipulation of the terminal when a risk occurs.

The present invention provides a risk detection method and system for a server role capable of recognizing a user's risk and automatically notifying a user's risk based on a movement trajectory of a wireless terminal based on GPS.

The present invention includes the steps of registering the driving information of the user; Recording a movement trajectory of the user corresponding to the driving information through a global positioning system (GPS) based wireless terminal; And detecting a risk of the user based on the recorded movement trajectory.

The registering of the driving information of the user may include receiving a safe driving section including a starting point and a destination point from the user, a safe driving time for transmitting the location information of the wireless terminal, and receiving the received information. The method may include storing a safe driving section and a safe driving time, and searching for a path from the starting point to a destination point and storing it as the moving path of the user.

In particular, detecting the risk of the user based on the recorded movement trajectory may include calculating a distance difference between the location information of the wireless terminal and the stored movement path, and the calculated distance difference for a preset valid time. Determining the risk of the user when out of a predetermined effective distance range for the movement path.

The detecting of the risk of the user based on the recorded movement trajectory may include determining whether the location information of the wireless terminal is received, and a valid time period in which the location information of the wireless terminal is not received. When the elapsed time may include determining the user's risk.

The detecting of the risk of the user based on the recorded movement trajectory may include calculating a movement distance according to a lapse of a predetermined time from the position information of the wireless terminal, and the movement distance being within a preset movement effective distance. In one case it may include determining the risk of the user.

The detecting of the risk of the user based on the recorded movement trajectory may include determining location information of the wireless terminal last received within the safe driving time, and determining location information of the wireless terminal. Determining the risk of the user when out of a predetermined effective distance range for the destination point.

In addition, the present invention includes a storage unit for storing the user's driving information and guardian information; A GPS receiver for receiving location information from a global positioning system (GPS) based wireless terminal; A risk determination unit for detecting a risk of the user by using location information of the wireless terminal corresponding to the driving information; And, it provides a GPS-based risk detection system including a risk notification unit for informing the risk of the user based on the guardian information.

According to the present invention, a server-based risk notification system and service that directly tracks a user's movement trajectory and directly detects a user's risk can be constructed.

According to the present invention, by tracking the movement trajectory of the wireless terminal based on the GPS, the user's risk can be detected and the guardian can be notified immediately so that the user can deal with the emergency situation more quickly.

Hereinafter, a GPS-based risk detection method and a system thereof according to the present invention will be described with reference to the accompanying drawings.

The present invention relates to a risk detection system for detecting a danger to a user by using a location tracking function of a wireless terminal having a GPS and informing the guardian's terminal of the user's danger.

1 is a view for explaining a peripheral configuration associated with the GPS-based risk detection system of the present invention.

As shown, the risk detection system 110 of the present invention detects the user's risk using the GPS-based wireless terminal 130 and the risk receiving terminal 140 is a guard terminal set by the user of the user It acts as a server to notify of danger.

The risk detection system 110 may receive the GPS signal of the wireless terminal 130 through the communication network 120 to determine and collect location information of the user.

The user may access the risk detection system 110 using the wireless terminal 130 and then input driving information and guardian information necessary for detecting the risk and reporting the risk.

Here, the wireless terminal 130 collectively refers to a terminal having a GPS function and a wireless communication function, such as a navigation terminal, a portable terminal, a PDA, and the like.

In addition, the risk receiving terminal 140 may mean a terminal capable of wired / wireless communication including a PC as a guardian terminal registered by the user, and the risk detecting system 110 receives the risk receiving through the communication network 120. The risk of the user may be notified to the terminal 140.

2 is a diagram showing the internal configuration of a GPS-based risk detection system according to the present invention.

The risk detection system 110 of the present invention may include a communication module 210, a GPS receiver 220, a storage 230, and a risk determiner 240.

The communication module 210 performs data transmission and reception with the wireless terminal 130 or the dangerous reception terminal 140 through the communication network 120. In particular, the communication module 210 may receive driving information and guardian information input by a user. In addition, the communication module 210 may serve as a risk notification unit that may transmit a predetermined message to the risk receiving terminal 140 when a user's risk occurs.

The GPS receiver 220 receives the GPS signal of the wireless terminal 130 at predetermined intervals so as to monitor the location of the user based on the GPS.

The storage unit 230 stores the driving information and the guardian information of the user received through the communication module 210 and records the GPS signal received through the GPS receiver 220 based on the driving information. (The recorded GPS signal is referred to as a 'travel trajectory').

The risk determining unit 240 may determine the location information, the moving distance, the moving time, etc. of the user based on the movement trajectory recorded in the storage unit 230, and may detect whether the user is at risk. have.

Referring to Fig. 3, a GPS-based risk detection method according to the present invention will be described in detail.

In step S301, the risk detection system registers the driving information and the guardian information input from the user. The user may access the risk detection system and directly input the driving information and the guardian information, and the risk detection system may register the corresponding information by receiving and recording the driving information and the guardian information input from the user.

The driving information may include a safe driving section including a starting point and a destination point, and a safe driving time which is a time zone allowing position monitoring for the safe driving section. The guardian information may include an identification number of the guardian terminal for notifying the user of the risk to the risk notification.

In step S301, the risk detection system may set a movement path of the user based on the safe driving section. The risk detection system may search the path from the starting point to the destination point and register the search path as the movement path of the user. When the user uses the risk detection system for the first time, the moving path may be set after the path search for the safe driving section set by the user. On the other hand, when the same safe driving section entered by the user in the risk detection system may set the movement route using the pre-stored safe driving section.

In step S302, the risk detection system records the movement trajectory of the user corresponding to the safe driving section and the safe driving time. The risk detection system may record the movement trajectory of the user by receiving the GPS signal of the wireless terminal, which is the location information of the user, at a predetermined period at the safe driving time.

In step S303, the risk detection system detects a risk of the user based on the recorded movement trajectory. The risk detection system may grasp the location information, the moving distance, the moving time, etc. of the user from the recorded movement trajectory, thereby determining the risk of the user.

In step S304, when the risk of the user is detected, the risk detection system may notify the risk notification target of the risk of the user based on the guardian information registered in step S301. The risk detection system may perform a risk notification by creating a predetermined message informing the user of the risk and then transmitting the created message to the guardian terminal.

Detecting the risk of the user (S303) will be described in more detail through an embodiment.

Example

4 is a diagram illustrating a user risk detection process using a distance difference between a user's current position and a moving path in the GPS-based risk detection method of the present invention, and FIG. 5 is a diagram illustrating the user risk detection process of FIG. 4. to be.

In step S401, the risk detection system calculates a distance difference I between the current location of the wireless terminal and the registered moving path. The risk detection system may determine the movement path 503 set by the starting point 501 and the destination point 502 in step 301 and determine the movement trajectory 504 recorded in step S302. have. The risk detection system may calculate the distance difference I between the current position of the wireless terminal and the movement path by calculating a distance difference between the movement trajectory 504 and the movement path 503.

In step S402, the risk detection system determines that the effective distance range L when the distance difference I between the current position of the wireless terminal and the movement path deviates from the preset effective distance range L with respect to the movement path 503. The time count starts from the point outside.

In step S403, the risk detection system passes the preset effective time t after the count time is in a state where the distance difference I between the current position of the wireless terminal and the movement path is out of the effective distance range L. If so, the user is analyzed as a dangerous situation. That is, the risk detection system may determine that the user's moving trajectory 504 is out of the effective distance range L when the state where the user's movement trajectory 504 is detected is more than the valid time t.

Example

FIG. 6 is a view illustrating a user risk detection process according to a GPS signal reception state in the GPS-based risk detection method of the present invention, and FIG. 7 is a view illustrating the user risk detection process of FIG. 6.

In step 601, the risk detection system determines whether location information of the wireless terminal is received in the process of recording the movement trajectory of the user. The risk detection system receives location information of the wireless terminal at predetermined intervals to record the user's movement trajectory 704 of the movement path 703 from the starting point 701 to the destination point 702.

In step S602, the risk detection system analyzes that the user is in a dangerous situation when the location information of the wireless terminal is not received for a preset valid time t. That is, if the location information of the wireless terminal is not received such that the valid time t elapses after the last time (c) of receiving the location information of the wireless terminal, it may be determined as a dangerous situation of the user.

Example

FIG. 8 is a diagram illustrating a user risk winding process using a movement distance versus time in the GPS-based risk detection method of the present invention, and FIG. 9 is a diagram illustrating the user risk detection process of FIG. 8.

In step S801, the risk detection system calculates a moving distance m over a predetermined time. The risk detection system may determine a distance value of a predetermined point t1-c in the process of recording the movement trajectory 904 of the user with respect to the movement path 903 from the starting point 901 to the destination point 902. By comparing the distance values of the points t2-c after a predetermined time elapses, the moving distance m according to the elapse of the predetermined time may be calculated.

In operation S802, the risk detecting system analyzes that the user is in a dangerous situation when the calculated moving distance m falls within a preset moving effective distance L. That is, when the moving distance m of the user is smaller than the effective moving distance L in preparation for a predetermined time, it may be determined that the risk has occurred to the user.

Example

FIG. 10 is a diagram illustrating a user risk detection process using a distance difference between a user's last position and a destination point in the GPS-based risk detection method of the present invention, and FIG. 11 is a diagram illustrating the user risk detection process of FIG. 10. .

In step S101, the risk detection system determines the location information c of the wireless terminal received at the end of the safe driving time. The risk detection system records the movement trajectory 104 of the user on the movement route 103 from the starting point 101 to the destination point 102 during the safety driving time, so that the risk detection system lasts within the safety driving time. The location information (c) of the received wireless terminal may be determined.

In step S102, the risk detection system determines that the user if the position information (c) of the last received wireless terminal is out of a preset effective distance range of a predetermined radius (L) with respect to the destination point 102. It is analyzed as a dangerous situation. That is, when the position information (c) of the wireless terminal received last at the safe driving time is not within the effective distance range of the target point 102, it may be determined as a dangerous situation of the user.

Accordingly, the present invention provides a GPS-based risk detection and risk notification service to receive a GPS signal of a wireless terminal, record a user's movement trajectory, and determine a user's risk through analysis of the recorded movement trajectory. Can be. Further, the movement trajectory of the user may be used as route information returning from the target point to the starting point.

GPS-based risk detection method according to the present invention is implemented in the form of program instructions that can be executed by various computer means may be recorded on a computer readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. Program instructions recorded on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above embodiments, and those skilled in the art to which the present invention pertains various modifications and variations from such descriptions. This is possible.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below but also by the equivalents of the claims.

1 is a view for explaining a peripheral configuration associated with the GPS-based risk detection system of the present invention.

2 is a diagram showing the internal configuration of a GPS-based risk detection system according to the present invention.

3 is a view showing the entire process of the GPS-based risk detection method according to the present invention.

4 is a diagram illustrating a user risk detection process using a distance difference between a user's current position and a moving path in the GPS-based risk detection method of the present invention.

5 is a view for explaining a user risk detection process of FIG.

6 is a diagram illustrating a user risk detection process according to a GPS signal reception state in the GPS-based risk detection method of the present invention.

FIG. 7 is a diagram for describing a user risk sensing process of FIG. 6.

8 is a diagram illustrating a user risk winding process using a moving distance versus time in the GPS-based risk detection method of the present invention.

9 is a view for explaining a user risk detection process of FIG.

FIG. 10 is a diagram illustrating a user risk detection process using a distance difference between a user's last position and a destination point in the GPS-based risk detection method of the present invention.

FIG. 11 is a diagram for describing a user risk sensing process of FIG. 10.

<Explanation of symbols for the main parts of the drawings>

110: danger detection system 210: communication module

220: GPS receiver 230: storage unit

240: risk judgment

Claims (17)

Registering driving information of the user; Recording a movement trajectory of the user corresponding to the driving information through a global positioning system (GPS) based wireless terminal; And, Detecting a risk of the user based on the recorded movement trajectory, Registering the driving information of the user, Receiving a safe driving section including a starting point and a destination point from the user, and a safe driving time for transmitting location information of the wireless terminal; Storing the received safe driving section and safe driving time; And searching for a route from the starting point to a destination point and storing the route as the movement path of the user. delete The method of claim 1, The recording of the movement trajectory of the user corresponding to the driving information may include: Receiving location information of the wireless terminal at a predetermined period during the safe driving time; GPS-based risk detection method comprising a. The method of claim 3, Detecting a risk of the user based on the recorded movement trajectory, Calculating a distance difference between the location information of the wireless terminal and the stored moving path; Determining the user's risk when the calculated distance difference is out of a preset effective distance range with respect to the movement path. GPS-based risk detection method comprising a. The method of claim 3, Detecting a risk of the user based on the recorded movement trajectory, Calculating a distance difference between the location information of the wireless terminal and the stored moving path; Determining the user's risk when the calculated distance difference is out of a preset effective distance range with respect to the movement route for a preset valid time. GPS-based risk detection method comprising a. The method of claim 3, Detecting a risk of the user based on the recorded movement trajectory, Determining whether location information of the wireless terminal is received; Determining the user's risk when the location information of the wireless terminal is not received after a preset valid time elapses; GPS-based risk detection method comprising a. The method of claim 3, Detecting a risk of the user based on the recorded movement trajectory, Calculating a moving distance over a predetermined time from the location information of the wireless terminal; Determining the user's risk when the moving distance is within a preset moving effective distance. GPS-based risk detection method comprising a. The method of claim 3, Detecting a risk of the user based on the recorded movement trajectory, Determining location information of the wireless terminal last received within the safe driving time; Determining that the location information of the wireless terminal is a risk of the user when the location information is out of a preset effective distance range with respect to the destination point. GPS-based risk detection method comprising a. The method of claim 1, Registering guardian information of the user; Notifying the risk of the user based on the guardian information GPS-based risk detection method further comprising. The method of claim 9, The guardian information is the identification number of the guardian entered by the user, Notifying the risk of the user based on the guardian information, Transmitting a predetermined message informing the guardian's identification number of the user's risk when the user's risk is detected; GPS-based risk detection method characterized in that. A computer-readable recording medium in which a program for executing the method of any one of claims 1 and 3 to 10 is recorded. A storage unit which stores driving information and guardian information of the user; A GPS receiver for receiving location information from a global positioning system (GPS) based wireless terminal; A risk determination unit for detecting a risk of the user by using location information of the wireless terminal corresponding to the driving information; And, A risk reporting unit for notifying the user's risk based on the guardian information; The driving information includes a safe driving section including a starting point and a destination point, a safe driving time for receiving location information of the wireless terminal, and a movement route from the starting point to a destination point, The guardian information, characterized in that it comprises a guardian identification number for informing the user of the risk, GPS-based risk detection system. delete The method of claim 12, The risk determination unit, Calculating a distance difference between the location information of the wireless terminal and the moving path and determining that the user is at risk of the user when the distance difference is out of a preset effective distance range for the moving path for a preset valid time; GPS-based risk detection system characterized in that. The method of claim 12, The risk determination unit, Determining the user's risk when the location information of the wireless terminal is not received after a preset valid time GPS-based risk detection system characterized in that. The method of claim 12, The risk determination unit, Calculating the moving distance according to the elapse of a predetermined time from the location information of the wireless terminal and determining that the user's risk is within the predetermined moving effective distance. GPS-based risk detection system characterized in that. The method of claim 12, The risk determination unit, Determining the user's risk when the position information of the wireless terminal received last within the safe driving time is out of a preset effective distance range with respect to the destination point. GPS-based risk detection system characterized in that.

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